c_src: update

[nit.git] / c_src / compiling_icode._sep.c

diff --git a/c_src/compiling_icode._sep.c b/c_src/compiling_icode._sep.c
index 3bc7dad..55bf68a 100644 (file)
--- a/c_src/compiling_icode._sep.c
+++ b/c_src/compiling_icode._sep.c
@@ -32,9 +32,9 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:34 */
   fra.me.REG[2] = CALL_icode_base___IRegister___stype(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  /* ./compiling//compiling_icode.nit:34 */
   if (UNTAG_Bool(REGB0)) {
     if (!once_value_1) {
       fra.me.REG[2] = BOX_NativeString("NIT_NULL");
@@ -43,19 +43,18 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
       once_value_1 = fra.me.REG[2];
       register_static_object(&once_value_1);
     } else fra.me.REG[2] = once_value_1;
+    fra.me.REG[2] = fra.me.REG[2];
     goto label2;
   }
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:35 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_ids");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 35);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_ids", LOCATE_compiling_icode, 35);
   }
   fra.me.REG[3] = ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0]);
-  REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[0])(fra.me.REG[0]);
   /* ./compiling//compiling_icode.nit:36 */
+  REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[0])(fra.me.REG[0]);
   if (UNTAG_Bool(REGB0)) {
     REGB0 = CALL_allocate_iregister_slots___IRegister___is_local(fra.me.REG[1])(fra.me.REG[1]);
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -67,24 +66,23 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
     REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids2(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_ids2");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 36);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_ids2", LOCATE_compiling_icode, 36);
     }
     fra.me.REG[4] = ATTR_compiling_icode___I2CCompilerVisitor____ids2(fra.me.REG[0]);
     fra.me.REG[3] = fra.me.REG[4];
   }
-  REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   /* ./compiling//compiling_icode.nit:37 */
+  REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:38 */
     fra.me.REG[4] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     fra.me.REG[2] = fra.me.REG[4];
-    /* ./compiling//compiling_icode.nit:38 */
     goto label2;
   } else {
+    /* ./compiling//compiling_icode.nit:40 */
     fra.me.REG[4] = CALL_allocate_iregister_slots___IRegister___slot_index(fra.me.REG[1])(fra.me.REG[1]);
-    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     /* ./compiling//compiling_icode.nit:41 */
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
@@ -92,9 +90,10 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
         REGB1 = TAG_Bool(false);
         REGB0 = REGB1;
       } else {
+        /* ./../lib/standard//kernel.nit:207 */
         REGB1 = TAG_Bool((fra.me.REG[4])==(NIT_NULL));
+        /* ./compiling//compiling_icode.nit:41 */
         REGB0 = REGB1;
-      /* ./compiling//compiling_icode.nit:41 */
       }
     }
     if (UNTAG_Bool(REGB0)) {
@@ -106,14 +105,15 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
         once_value_3 = fra.me.REG[5];
         register_static_object(&once_value_3);
       } else fra.me.REG[5] = once_value_3;
+      fra.me.REG[5] = fra.me.REG[5];
       /* ./compiling//compiling_icode.nit:44 */
       CALL_abstract_collection___Map_____braeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1], fra.me.REG[5]);
-      fra.me.REG[2] = fra.me.REG[5];
       /* ./compiling//compiling_icode.nit:45 */
+      fra.me.REG[2] = fra.me.REG[5];
       goto label2;
     } else {
-      REGB0 = CALL_allocate_iregister_slots___IRegister___in_tag_slots(fra.me.REG[1])(fra.me.REG[1]);
       /* ./compiling//compiling_icode.nit:49 */
+      REGB0 = CALL_allocate_iregister_slots___IRegister___in_tag_slots(fra.me.REG[1])(fra.me.REG[1]);
       if (UNTAG_Bool(REGB0)) {
         /* ./compiling//compiling_icode.nit:50 */
         if (!once_value_4) {
@@ -121,9 +121,10 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
           once_value_4 = fra.me.REG[5];
           register_static_object(&once_value_4);
         } else fra.me.REG[5] = once_value_4;
+        fra.me.REG[5] = fra.me.REG[5];
+        /* ./compiling//compiling_icode.nit:51 */
         REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
         REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-        /* ./compiling//compiling_icode.nit:51 */
         if (UNTAG_Bool(REGB0)) {
           REGB0 = TAG_Int(3);
           fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB0);
@@ -134,9 +135,10 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
             once_value_5 = fra.me.REG[7];
             register_static_object(&once_value_5);
           } else fra.me.REG[7] = once_value_5;
-          array___Array___add(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
           fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-          array___Array___add(fra.me.REG[6], fra.me.REG[7]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
           if (!once_value_6) {
             fra.me.REG[7] = BOX_NativeString("");
             REGB0 = TAG_Int(0);
@@ -144,13 +146,14 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
             once_value_6 = fra.me.REG[7];
             register_static_object(&once_value_6);
           } else fra.me.REG[7] = once_value_6;
-          array___Array___add(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
           fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
           CALL_abstract_collection___Map_____braeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4], fra.me.REG[6]);
         }
       } else {
-        REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[0])(fra.me.REG[0]);
         /* ./compiling//compiling_icode.nit:52 */
+        REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[0])(fra.me.REG[0]);
         if (UNTAG_Bool(REGB0)) {
           REGB0 = CALL_allocate_iregister_slots___IRegister___is_local(fra.me.REG[1])(fra.me.REG[1]);
           REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -165,10 +168,11 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
             once_value_7 = fra.me.REG[0];
             register_static_object(&once_value_7);
           } else fra.me.REG[0] = once_value_7;
+          fra.me.REG[0] = fra.me.REG[0];
           fra.me.REG[5] = fra.me.REG[0];
+          /* ./compiling//compiling_icode.nit:54 */
           REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
           REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-          /* ./compiling//compiling_icode.nit:54 */
           if (UNTAG_Bool(REGB0)) {
             REGB0 = TAG_Int(3);
             fra.me.REG[0] = NEW_Array_array___Array___with_capacity(REGB0);
@@ -179,9 +183,10 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
               once_value_8 = fra.me.REG[6];
               register_static_object(&once_value_8);
             } else fra.me.REG[6] = once_value_8;
-            array___Array___add(fra.me.REG[0], fra.me.REG[6]);
+            fra.me.REG[6] = fra.me.REG[6];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
             fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-            array___Array___add(fra.me.REG[0], fra.me.REG[6]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
             if (!once_value_9) {
               fra.me.REG[6] = BOX_NativeString("]");
               REGB0 = TAG_Int(1);
@@ -189,7 +194,8 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
               once_value_9 = fra.me.REG[6];
               register_static_object(&once_value_9);
             } else fra.me.REG[6] = once_value_9;
-            array___Array___add(fra.me.REG[0], fra.me.REG[6]);
+            fra.me.REG[6] = fra.me.REG[6];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
             fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
             CALL_abstract_collection___Map_____braeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4], fra.me.REG[0]);
           }
@@ -200,10 +206,11 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
             once_value_10 = fra.me.REG[0];
             register_static_object(&once_value_10);
           } else fra.me.REG[0] = once_value_10;
+          fra.me.REG[0] = fra.me.REG[0];
           fra.me.REG[5] = fra.me.REG[0];
+          /* ./compiling//compiling_icode.nit:57 */
           REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
           REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-          /* ./compiling//compiling_icode.nit:57 */
           if (UNTAG_Bool(REGB0)) {
             REGB0 = TAG_Int(3);
             fra.me.REG[0] = NEW_Array_array___Array___with_capacity(REGB0);
@@ -214,9 +221,10 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
               once_value_11 = fra.me.REG[6];
               register_static_object(&once_value_11);
             } else fra.me.REG[6] = once_value_11;
-            array___Array___add(fra.me.REG[0], fra.me.REG[6]);
+            fra.me.REG[6] = fra.me.REG[6];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
             fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-            array___Array___add(fra.me.REG[0], fra.me.REG[6]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
             if (!once_value_12) {
               fra.me.REG[6] = BOX_NativeString("]");
               REGB0 = TAG_Int(1);
@@ -224,17 +232,19 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
               once_value_12 = fra.me.REG[6];
               register_static_object(&once_value_12);
             } else fra.me.REG[6] = once_value_12;
-            array___Array___add(fra.me.REG[0], fra.me.REG[6]);
+            fra.me.REG[6] = fra.me.REG[6];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
             fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
             CALL_abstract_collection___Map_____braeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4], fra.me.REG[0]);
           }
         }
       }
+      /* ./compiling//compiling_icode.nit:59 */
       fra.me.REG[4] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
       /* ./compiling//compiling_icode.nit:60 */
       CALL_abstract_collection___Map_____braeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1], fra.me.REG[4]);
-      fra.me.REG[2] = fra.me.REG[4];
       /* ./compiling//compiling_icode.nit:61 */
+      fra.me.REG[2] = fra.me.REG[4];
       goto label2;
     }
   }
@@ -243,7 +253,7 @@ val_t compiling_icode___I2CCompilerVisitor___register(val_t p0, val_t p1){
   return fra.me.REG[2];
 }
 val_t compiling_icode___I2CCompilerVisitor___registers(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -251,37 +261,44 @@ val_t compiling_icode___I2CCompilerVisitor___registers(val_t p0, val_t p1){
   fra.me.line = 66;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___registers;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 4;
+  fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
-  fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:69 */
   REGB0 = CALL_abstract_collection___Collection___length(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  fra.me.REG[1] = CALL_abstract_collection___Collection___iterator(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:70 */
-  while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[1])(fra.me.REG[1]);
-    if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[3] = CALL_abstract_collection___Iterator___item(fra.me.REG[1])(fra.me.REG[1]);
-      fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
-      /* ./compiling//compiling_icode.nit:71 */
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-    } else {
-      /* ./compiling//compiling_icode.nit:70 */
-      goto label1;
-    }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[1])(fra.me.REG[1]);
-  }
-  label1: while(0);
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[1])(fra.me.REG[1], (&(fra.me)), ((fun_t)OC_compiling_icode___I2CCompilerVisitor___registers_1));
   /* ./compiling//compiling_icode.nit:73 */
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+  void OC_compiling_icode___I2CCompilerVisitor___registers_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me;} fra;
+    fun_t CREG[1];
+    val_t tmp;
+    /* ./compiling//compiling_icode.nit:70 */
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_compiling_icode;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___registers;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 1;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./compiling//compiling_icode.nit:71 */
+    fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(closctx->REG[0])(closctx->REG[0], fra.me.REG[0]);
+    CALL_abstract_collection___SimpleCollection___add(closctx->REG[2])(closctx->REG[2], fra.me.REG[0]);
+    stack_frame_head = fra.me.prev;
+    return;
+  }
 val_t compiling_icode___I2CCompilerVisitor___new_number(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -295,18 +312,18 @@ val_t compiling_icode___I2CCompilerVisitor___new_number(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./compiling//compiling_icode.nit:80 */
   REGB0 = ATTR_compiling_icode___I2CCompilerVisitor____last_number(fra.me.REG[0]);
   REGB1 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:215 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
   /* ./compiling//compiling_icode.nit:80 */
   ATTR_compiling_icode___I2CCompilerVisitor____last_number(fra.me.REG[0]) = REGB1;
-  REGB1 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____last_number(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:81 */
+  REGB1 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____last_number(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_last_number");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 81);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_last_number", LOCATE_compiling_icode, 81);
   }
   REGB1 = ATTR_compiling_icode___I2CCompilerVisitor____last_number(fra.me.REG[0]);
   goto label1;
@@ -333,32 +350,28 @@ val_t compiling_icode___I2CCompilerVisitor___lab(val_t p0, val_t p1){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:87 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_ids");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 87);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_ids", LOCATE_compiling_icode, 87);
   }
   fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0]);
   REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
     /* ./compiling//compiling_icode.nit:88 */
+    REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_ids");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 88);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_ids", LOCATE_compiling_icode, 88);
     }
     fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0]);
     fra.me.REG[2] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     goto label1;
   } else {
+    /* ./compiling//compiling_icode.nit:90 */
     REGB0 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:90 */
     if (!once_value_2) {
       fra.me.REG[4] = BOX_NativeString("label");
       REGB0 = TAG_Int(5);
@@ -366,10 +379,11 @@ val_t compiling_icode___I2CCompilerVisitor___lab(val_t p0, val_t p1){
       once_value_2 = fra.me.REG[4];
       register_static_object(&once_value_2);
     } else fra.me.REG[4] = once_value_2;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     REGB0 = CALL_compiling_icode___I2CCompilerVisitor___new_number(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_3) {
       fra.me.REG[4] = BOX_NativeString("");
       REGB0 = TAG_Int(0);
@@ -377,20 +391,19 @@ val_t compiling_icode___I2CCompilerVisitor___lab(val_t p0, val_t p1){
       once_value_3 = fra.me.REG[4];
       register_static_object(&once_value_3);
     } else fra.me.REG[4] = once_value_3;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-    REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
     /* ./compiling//compiling_icode.nit:91 */
+    REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_ids");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 91);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_ids", LOCATE_compiling_icode, 91);
     }
     fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0]);
     CALL_abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3]);
-    fra.me.REG[2] = fra.me.REG[3];
     /* ./compiling//compiling_icode.nit:92 */
+    fra.me.REG[2] = fra.me.REG[3];
     goto label1;
   }
   label1: while(0);
@@ -409,13 +422,11 @@ val_t compiling_icode___I2CCompilerVisitor___closures(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____closures(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:96 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____closures(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_closures");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 96);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_closures", LOCATE_compiling_icode, 96);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____closures(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -433,13 +444,11 @@ val_t compiling_icode___I2CCompilerVisitor___clostypes(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____clostypes(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:99 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____clostypes(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_clostypes");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 99);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_clostypes", LOCATE_compiling_icode, 99);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____clostypes(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -457,13 +466,11 @@ val_t compiling_icode___I2CCompilerVisitor___local_labels(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____local_labels(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:102 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____local_labels(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_local_labels");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 102);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_local_labels", LOCATE_compiling_icode, 102);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____local_labels(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -499,13 +506,11 @@ val_t compiling_icode___I2CCompilerVisitor___escaped_labels(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:105 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_escaped_labels");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 105);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_escaped_labels", LOCATE_compiling_icode, 105);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -546,54 +551,47 @@ val_t compiling_icode___I2CCompilerVisitor___register_escape_label(val_t p0, val
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:112 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_escaped_labels");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 112);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_escaped_labels", LOCATE_compiling_icode, 112);
   }
   fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0]);
   REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
     /* ./compiling//compiling_icode.nit:113 */
+    REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_escaped_labels");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 113);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_escaped_labels", LOCATE_compiling_icode, 113);
     }
     fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0]);
     fra.me.REG[2] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     REGB0 = fra.me.REG[2];
     goto label1;
   } else {
-    REGB1 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
     /* ./compiling//compiling_icode.nit:115 */
+    REGB1 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_escaped_labels");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 115);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_escaped_labels", LOCATE_compiling_icode, 115);
     }
     fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0]);
     REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[2])(fra.me.REG[2]);
     REGB2 = TAG_Int(1);
+    /* ./../lib/standard//kernel.nit:215 */
     REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-    REGB1 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
     /* ./compiling//compiling_icode.nit:116 */
+    REGB1 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_escaped_labels");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 116);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_escaped_labels", LOCATE_compiling_icode, 116);
     }
     fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____escaped_labels(fra.me.REG[0]);
     CALL_abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB2);
-    REGB0 = REGB2;
     /* ./compiling//compiling_icode.nit:117 */
+    REGB0 = REGB2;
     goto label1;
   }
   label1: while(0);
@@ -618,20 +616,18 @@ void compiling_icode___I2CCompilerVisitor___add_label(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:124 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_ids");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 124);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_ids", LOCATE_compiling_icode, 124);
   }
   fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0]);
   REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:125 */
     REGB0 = TAG_Int(3);
     fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:125 */
     if (!once_value_1) {
       fra.me.REG[3] = BOX_NativeString("");
       REGB0 = TAG_Int(0);
@@ -639,17 +635,16 @@ void compiling_icode___I2CCompilerVisitor___add_label(val_t p0, val_t p1){
       once_value_1 = fra.me.REG[3];
       register_static_object(&once_value_1);
     } else fra.me.REG[3] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_ids");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 125);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_ids", LOCATE_compiling_icode, 125);
     }
     fra.me.REG[3] = ATTR_compiling_icode___I2CCompilerVisitor____ids(fra.me.REG[0]);
     fra.me.REG[1] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString(": while(0);");
       REGB0 = TAG_Int(11);
@@ -657,7 +652,8 @@ void compiling_icode___I2CCompilerVisitor___add_label(val_t p0, val_t p1){
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
-    array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
   }
@@ -687,13 +683,13 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:132 */
   fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___local_labels(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = CALL_abstract_collection___Collection___has(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:132 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:133 */
     REGB0 = TAG_Int(3);
     fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:133 */
     if (!once_value_1) {
       fra.me.REG[3] = BOX_NativeString("goto ");
       REGB0 = TAG_Int(5);
@@ -701,9 +697,10 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
       once_value_1 = fra.me.REG[3];
       register_static_object(&once_value_1);
     } else fra.me.REG[3] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___lab(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     if (!once_value_2) {
       fra.me.REG[3] = BOX_NativeString(";");
       REGB0 = TAG_Int(1);
@@ -711,22 +708,22 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
       once_value_2 = fra.me.REG[3];
       register_static_object(&once_value_2);
     } else fra.me.REG[3] = once_value_2;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
   } else {
-    REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[0])(fra.me.REG[0]);
     /* ./compiling//compiling_icode.nit:135 */
+    REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[0])(fra.me.REG[0]);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Assert failed");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 135);
-      nit_exit(1);
+      nit_abort("Assert failed", NULL, LOCATE_compiling_icode, 135);
     }
+    /* ./compiling//compiling_icode.nit:136 */
     REGB0 = CALL_compiling_icode___I2CCompilerVisitor___register_escape_label(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:137 */
     REGB1 = TAG_Int(3);
     fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./compiling//compiling_icode.nit:137 */
     if (!once_value_3) {
       fra.me.REG[2] = BOX_NativeString("closctx->has_broke = ");
       REGB1 = TAG_Int(21);
@@ -734,9 +731,10 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
       once_value_3 = fra.me.REG[2];
       register_static_object(&once_value_3);
     } else fra.me.REG[2] = once_value_3;
-    array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     fra.me.REG[2] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     if (!once_value_4) {
       fra.me.REG[2] = BOX_NativeString(";");
       REGB0 = TAG_Int(1);
@@ -744,12 +742,13 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
       once_value_4 = fra.me.REG[2];
       register_static_object(&once_value_4);
     } else fra.me.REG[2] = once_value_4;
-    array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:138 */
     REGB0 = TAG_Int(3);
     fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:138 */
     if (!once_value_5) {
       fra.me.REG[2] = BOX_NativeString("goto ");
       REGB0 = TAG_Int(5);
@@ -757,17 +756,16 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
       once_value_5 = fra.me.REG[2];
       register_static_object(&once_value_5);
     } else fra.me.REG[2] = once_value_5;
-    array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___return_label(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Bool(fra.me.REG[2]!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Cast failed");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 138);
-      nit_exit(1);
+      nit_abort("Cast failed", NULL, LOCATE_compiling_icode, 138);
     }
     fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___lab(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
-    array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     if (!once_value_6) {
       fra.me.REG[2] = BOX_NativeString(";");
       REGB0 = TAG_Int(1);
@@ -775,7 +773,8 @@ void compiling_icode___I2CCompilerVisitor___add_goto(val_t p0, val_t p1){
       once_value_6 = fra.me.REG[2];
       register_static_object(&once_value_6);
     } else fra.me.REG[2] = once_value_6;
-    array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   }
@@ -794,13 +793,11 @@ val_t compiling_icode___I2CCompilerVisitor___marks_to_seq(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____marks_to_seq(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:142 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____marks_to_seq(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_marks_to_seq");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 142);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_marks_to_seq", LOCATE_compiling_icode, 142);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____marks_to_seq(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -818,13 +815,11 @@ val_t compiling_icode___I2CCompilerVisitor___closure(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____closure(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:145 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____closure(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_closure");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 145);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_compiling_icode, 145);
   }
   REGB0 = ATTR_compiling_icode___I2CCompilerVisitor____closure(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -860,13 +855,11 @@ val_t compiling_icode___I2CCompilerVisitor___visitor(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____visitor(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:148 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____visitor(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_visitor");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 148);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_visitor", LOCATE_compiling_icode, 148);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____visitor(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -884,13 +877,11 @@ val_t compiling_icode___I2CCompilerVisitor___iroutine(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____iroutine(fra.me.REG[0])!=NIT_NULL);
   /* ./compiling//compiling_icode.nit:151 */
+  REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____iroutine(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_iroutine");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 151);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_iroutine", LOCATE_compiling_icode, 151);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____iroutine(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -907,8 +898,8 @@ val_t compiling_icode___I2CCompilerVisitor___return_label(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____return_label(fra.me.REG[0]);
   /* ./compiling//compiling_icode.nit:154 */
+  fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____return_label(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
@@ -931,31 +922,26 @@ void compiling_icode___I2CCompilerVisitor___return_label__eq(val_t p0, val_t p1)
   return;
 }
 void compiling_icode___I2CCompilerVisitor___add_decl(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
-  val_t REGB0;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
   fra.me.line = 157;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___add_decl;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 3;
+  fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = TAG_Int(0);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
   /* ./compiling//compiling_icode.nit:159 */
-  array___Array___add(fra.me.REG[2], fra.me.REG[1]);
-  CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   stack_frame_head = fra.me.prev;
   return;
 }
-void compiling_icode___I2CCompilerVisitor___add_instr(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+val_t compiling_icode___I2CCompilerVisitor___new_instr(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
@@ -965,20 +951,21 @@ void compiling_icode___I2CCompilerVisitor___add_instr(val_t p0, val_t p1){
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
   fra.me.line = 162;
-  fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___add_instr;
+  fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___new_instr;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 6;
+  fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
-  fra.me.REG[4] = NIT_NULL;
-  fra.me.REG[5] = NIT_NULL;
   fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:166 */
+  fra.me.REG[1] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_compiling_base___CompilerVisitor___writer(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:167 */
   fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____next_location(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:168 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:165 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -992,61 +979,93 @@ void compiling_icode___I2CCompilerVisitor___add_instr(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:169 */
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
-    REGB0 = TAG_Int(4);
-    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:166 */
+    CALL_compiling_base___CompilerVisitor___add_indent(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:170 */
     if (!once_value_1) {
-      fra.me.REG[5] = BOX_NativeString("/* ");
+      fra.me.REG[3] = BOX_NativeString("/* ");
       REGB0 = TAG_Int(3);
-      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-      once_value_1 = fra.me.REG[5];
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_1 = fra.me.REG[3];
       register_static_object(&once_value_1);
-    } else fra.me.REG[5] = once_value_1;
-    array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+    } else fra.me.REG[3] = once_value_1;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:171 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 166);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 171);
     }
-    fra.me.REG[5] = CALL_location___Location___file(fra.me.REG[2])(fra.me.REG[2]);
-    array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[3] = CALL_location___Location___file(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:172 */
     if (!once_value_2) {
-      fra.me.REG[5] = BOX_NativeString(":");
+      fra.me.REG[3] = BOX_NativeString(":");
       REGB0 = TAG_Int(1);
-      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-      once_value_2 = fra.me.REG[5];
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_2 = fra.me.REG[3];
       register_static_object(&once_value_2);
-    } else fra.me.REG[5] = once_value_2;
-    array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+    } else fra.me.REG[3] = once_value_2;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:173 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 166);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 173);
     }
     REGB0 = CALL_location___Location___line_start(fra.me.REG[2])(fra.me.REG[2]);
     fra.me.REG[2] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[4], fra.me.REG[2]);
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:174 */
     if (!once_value_3) {
-      fra.me.REG[2] = BOX_NativeString(" */");
-      REGB0 = TAG_Int(3);
+      fra.me.REG[2] = BOX_NativeString(" */\n");
+      REGB0 = TAG_Int(4);
       fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
       once_value_3 = fra.me.REG[2];
       register_static_object(&once_value_3);
     } else fra.me.REG[2] = once_value_3;
-    array___Array___add(fra.me.REG[4], fra.me.REG[2]);
-    CALL_compiling_base___CompilerVisitor___add_instr(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-    /* ./compiling//compiling_icode.nit:167 */
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:175 */
     ATTR_compiling_icode___I2CCompilerVisitor____next_location(fra.me.REG[0]) = NIT_NULL;
   }
+  /* ./compiling//compiling_icode.nit:177 */
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = TAG_Int(0);
-  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:169 */
-  array___Array___add(fra.me.REG[4], fra.me.REG[1]);
-  CALL_compiling_base___CompilerVisitor___add_instr(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4]);
+  CALL_compiling_base___CompilerVisitor___add_indent(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:178 */
+  goto label4;
+  label4: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+void compiling_icode___I2CCompilerVisitor___add_instr(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 181;
+  fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___add_instr;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:183 */
+  fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_compiling_writer___Writer___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  if (!once_value_1) {
+    fra.me.REG[0] = BOX_NativeString("\n");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return;
 }
@@ -1055,14 +1074,14 @@ void compiling_icode___I2CCompilerVisitor___indent(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 172;
+  fra.me.line = 186;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___indent;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./compiling//compiling_icode.nit:188 */
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:174 */
   CALL_compiling_base___CompilerVisitor___indent(fra.me.REG[0])(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return;
@@ -1072,14 +1091,14 @@ void compiling_icode___I2CCompilerVisitor___unindent(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 177;
+  fra.me.line = 191;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___unindent;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./compiling//compiling_icode.nit:193 */
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:179 */
   CALL_compiling_base___CompilerVisitor___unindent(fra.me.REG[0])(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return;
@@ -1089,7 +1108,7 @@ void compiling_icode___I2CCompilerVisitor___add_assignment(val_t p0, val_t p1, v
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 182;
+  fra.me.line = 196;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___add_assignment;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -1099,8 +1118,8 @@ void compiling_icode___I2CCompilerVisitor___add_assignment(val_t p0, val_t p1, v
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./compiling//compiling_icode.nit:198 */
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:184 */
   CALL_compiling_base___CompilerVisitor___add_assignment(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   return;
@@ -1113,7 +1132,7 @@ void compiling_icode___I2CCompilerVisitor___add_location(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 190;
+  fra.me.line = 204;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___add_location;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
@@ -1124,9 +1143,10 @@ void compiling_icode___I2CCompilerVisitor___add_location(val_t p0, val_t p1){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:208 */
   fra.me.REG[2] = ATTR_compiling_icode___I2CCompilerVisitor____last_location(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:209 */
   REGB0 = TAG_Bool(IS_EQUAL_NN(fra.me.REG[2],fra.me.REG[1]));
-  /* ./compiling//compiling_icode.nit:195 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -1158,10 +1178,10 @@ void compiling_icode___I2CCompilerVisitor___add_location(val_t p0, val_t p1){
   if (UNTAG_Bool(REGB0)) {
     goto label1;
   }
-  /* ./compiling//compiling_icode.nit:196 */
+  /* ./compiling//compiling_icode.nit:210 */
   ATTR_compiling_icode___I2CCompilerVisitor____last_location(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./compiling//compiling_icode.nit:211 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:197 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -1177,16 +1197,12 @@ void compiling_icode___I2CCompilerVisitor___add_location(val_t p0, val_t p1){
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 197);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 211);
     }
     fra.me.REG[3] = CALL_location___Location___file(fra.me.REG[2])(fra.me.REG[2]);
     REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 197);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 211);
     }
     fra.me.REG[4] = CALL_location___Location___file(fra.me.REG[1])(fra.me.REG[1]);
     REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[4]));
@@ -1202,34 +1218,31 @@ void compiling_icode___I2CCompilerVisitor___add_location(val_t p0, val_t p1){
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 197);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 211);
     }
     REGB0 = CALL_location___Location___line_start(fra.me.REG[2])(fra.me.REG[2]);
     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 197);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 211);
     }
     REGB1 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
     REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
     if (UNTAG_Bool(REGB2)) {
     } else {
+      /* ./../lib/standard//kernel.nit:207 */
       REGB1 = TAG_Bool((REGB0)==(REGB1));
+      /* ./compiling//compiling_icode.nit:211 */
       REGB2 = REGB1;
-    /* ./compiling//compiling_icode.nit:197 */
     }
   } else {
     REGB1 = TAG_Bool(false);
     REGB2 = REGB1;
   }
   if (UNTAG_Bool(REGB2)) {
-    /* ./compiling//compiling_icode.nit:198 */
+    /* ./compiling//compiling_icode.nit:212 */
     goto label1;
   } else {
-    /* ./compiling//compiling_icode.nit:200 */
+    /* ./compiling//compiling_icode.nit:214 */
     ATTR_compiling_icode___I2CCompilerVisitor____next_location(fra.me.REG[0]) = fra.me.REG[1];
   }
   label1: while(0);
@@ -1242,19 +1255,17 @@ val_t compiling_icode___I2CCompilerVisitor___basecname(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 204;
+  fra.me.line = 218;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___basecname;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./compiling//compiling_icode.nit:218 */
   REGB0 = TAG_Bool(ATTR_compiling_icode___I2CCompilerVisitor____basecname(fra.me.REG[0])!=NIT_NULL);
-  /* ./compiling//compiling_icode.nit:204 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_basecname");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 204);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_basecname", LOCATE_compiling_icode, 218);
   }
   fra.me.REG[0] = ATTR_compiling_icode___I2CCompilerVisitor____basecname(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1267,7 +1278,7 @@ void compiling_icode___I2CCompilerVisitor___init(val_t p0, val_t p1, val_t p2, v
   if (init_table[itpos0]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 207;
+  fra.me.line = 221;
   fra.me.meth = LOCATE_compiling_icode___I2CCompilerVisitor___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -1279,21 +1290,24 @@ void compiling_icode___I2CCompilerVisitor___init(val_t p0, val_t p1, val_t p2, v
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./compiling//compiling_icode.nit:209 */
+  /* ./compiling//compiling_icode.nit:223 */
   ATTR_compiling_icode___I2CCompilerVisitor____visitor(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./compiling//compiling_icode.nit:210 */
+  /* ./compiling//compiling_icode.nit:224 */
   ATTR_compiling_icode___I2CCompilerVisitor____iroutine(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_icode.nit:211 */
+  /* ./compiling//compiling_icode.nit:225 */
   ATTR_compiling_icode___I2CCompilerVisitor____basecname(fra.me.REG[0]) = fra.me.REG[3];
   stack_frame_head = fra.me.prev;
   init_table[itpos0] = 1;
   return;
 }
 val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, val_t p5){
-  struct {struct stack_frame_t me; val_t MORE_REG[13];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[11];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
+  val_t REGB5;
   val_t tmp;
       static val_t once_value_1; /* Once value */
       static val_t once_value_2; /* Once value */
@@ -1333,12 +1347,14 @@ val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, va
   static val_t once_value_39; /* Once value */
   static val_t once_value_40; /* Once value */
   static val_t once_value_41; /* Once value */
+  static val_t once_value_42; /* Once value */
+  static val_t once_value_43; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 216;
+  fra.me.line = 230;
   fra.me.meth = LOCATE_compiling_icode___IRoutine___compile_signature_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 14;
+  fra.me.REG_size = 12;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1351,18 +1367,18 @@ val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, va
   fra.me.REG[9] = NIT_NULL;
   fra.me.REG[10] = NIT_NULL;
   fra.me.REG[11] = NIT_NULL;
-  fra.me.REG[12] = NIT_NULL;
-  fra.me.REG[13] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
   fra.me.REG[4] = p4;
   fra.me.REG[5] = p5;
+  /* ./compiling//compiling_icode.nit:236 */
   fra.me.REG[6] = NEW_Array_array___Array___init();
+  /* ./compiling//compiling_icode.nit:237 */
   fra.me.REG[7] = NEW_Array_array___Array___init();
+  /* ./compiling//compiling_icode.nit:238 */
   REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:224 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
@@ -1376,351 +1392,383 @@ val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, va
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    array___Array___add(fra.me.REG[7], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[4]);
   }
+  /* ./compiling//compiling_icode.nit:239 */
   REGB0 = TAG_Int(0);
   fra.me.REG[4] = CALL_icode_base___IRoutine___params(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[4])(fra.me.REG[4]);
-  fra.me.REG[4] = NEW_Range_range___Range___without_last(REGB0, REGB1);
-  fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[4])(fra.me.REG[4]);
-  /* ./compiling//compiling_icode.nit:225 */
+  /* ./../lib/standard//kernel.nit:332 */
   while(1) {
-    REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-      REGB0 = TAG_Int(3);
-      fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
-      /* ./compiling//compiling_icode.nit:226 */
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./compiling//compiling_icode.nit:239 */
+      REGB2 = REGB0;
+      /* ./compiling//compiling_icode.nit:240 */
+      REGB3 = TAG_Int(3);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB3);
       if (!once_value_1) {
-        fra.me.REG[9] = BOX_NativeString("p");
-        REGB0 = TAG_Int(1);
-        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB0);
-        once_value_1 = fra.me.REG[9];
+        fra.me.REG[8] = BOX_NativeString("p");
+        REGB3 = TAG_Int(1);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+        once_value_1 = fra.me.REG[8];
         register_static_object(&once_value_1);
-      } else fra.me.REG[9] = once_value_1;
-      array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-      fra.me.REG[9] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[8], fra.me.REG[9]);
+      } else fra.me.REG[8] = once_value_1;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+      fra.me.REG[8] = CALL_string___Object___to_s(REGB2)(REGB2);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
       if (!once_value_2) {
-        fra.me.REG[9] = BOX_NativeString("");
-        REGB0 = TAG_Int(0);
-        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB0);
-        once_value_2 = fra.me.REG[9];
+        fra.me.REG[8] = BOX_NativeString("");
+        REGB3 = TAG_Int(0);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+        once_value_2 = fra.me.REG[8];
         register_static_object(&once_value_2);
-      } else fra.me.REG[9] = once_value_2;
-      array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-      fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
-      array___Array___add(fra.me.REG[6], fra.me.REG[8]);
-      REGB0 = TAG_Int(3);
-      fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
-      /* ./compiling//compiling_icode.nit:227 */
+      } else fra.me.REG[8] = once_value_2;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+      /* ./compiling//compiling_icode.nit:241 */
+      REGB3 = TAG_Int(3);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB3);
       if (!once_value_3) {
-        fra.me.REG[9] = BOX_NativeString("val_t p");
-        REGB0 = TAG_Int(7);
-        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB0);
-        once_value_3 = fra.me.REG[9];
+        fra.me.REG[8] = BOX_NativeString("val_t p");
+        REGB3 = TAG_Int(7);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+        once_value_3 = fra.me.REG[8];
         register_static_object(&once_value_3);
-      } else fra.me.REG[9] = once_value_3;
-      array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-      fra.me.REG[9] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[8], fra.me.REG[9]);
+      } else fra.me.REG[8] = once_value_3;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+      fra.me.REG[8] = CALL_string___Object___to_s(REGB2)(REGB2);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
       if (!once_value_4) {
-        fra.me.REG[9] = BOX_NativeString("");
-        REGB1 = TAG_Int(0);
-        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB1);
-        once_value_4 = fra.me.REG[9];
+        fra.me.REG[8] = BOX_NativeString("");
+        REGB2 = TAG_Int(0);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB2);
+        once_value_4 = fra.me.REG[8];
         register_static_object(&once_value_4);
-      } else fra.me.REG[9] = once_value_4;
-      array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-      fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
-      array___Array___add(fra.me.REG[7], fra.me.REG[8]);
+      } else fra.me.REG[8] = once_value_4;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[4]);
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB2 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB0 = REGB2;
     } else {
-      /* ./compiling//compiling_icode.nit:225 */
+      /* ./../lib/standard//kernel.nit:332 */
       goto label5;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
   }
   label5: while(0);
+  /* ./compiling//compiling_icode.nit:243 */
   fra.me.REG[4] = CALL_icode_base___IRoutine___closure_decls(fra.me.REG[0])(fra.me.REG[0]);
-  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:229 */
-  if (UNTAG_Bool(REGB1)) {
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-    if (UNTAG_Bool(REGB0)) {
-      REGB0 = TAG_Bool(false);
-      REGB1 = REGB0;
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
     } else {
-      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
-      REGB1 = REGB0;
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
     }
   }
-  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
-  if (UNTAG_Bool(REGB1)) {
-    /* ./compiling//compiling_icode.nit:230 */
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:244 */
     if (!once_value_6) {
       fra.me.REG[4] = BOX_NativeString("struct stack_frame_t *closctx_param");
-      REGB1 = TAG_Int(35);
-      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      REGB0 = TAG_Int(35);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
       once_value_6 = fra.me.REG[4];
       register_static_object(&once_value_6);
     } else fra.me.REG[4] = once_value_6;
-    array___Array___add(fra.me.REG[7], fra.me.REG[4]);
-    REGB1 = TAG_Int(0);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[4]);
+    /* ./compiling//compiling_icode.nit:245 */
+    REGB0 = TAG_Int(0);
     fra.me.REG[4] = CALL_icode_base___IRoutine___closure_decls(fra.me.REG[0])(fra.me.REG[0]);
-    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-    /* ./compiling//compiling_icode.nit:231 */
-    if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 231);
-      nit_exit(1);
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 245);
     }
-    REGB0 = CALL_abstract_collection___Collection___length(fra.me.REG[4])(fra.me.REG[4]);
-    fra.me.REG[4] = NEW_Range_range___Range___without_last(REGB1, REGB0);
-    fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[4])(fra.me.REG[4]);
+    REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[4])(fra.me.REG[4]);
+    /* ./../lib/standard//kernel.nit:332 */
     while(1) {
-      REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-      if (UNTAG_Bool(REGB0)) {
-        REGB0 = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-        REGB1 = TAG_Int(5);
-        fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB1);
-        /* ./compiling//compiling_icode.nit:232 */
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//kernel.nit:332 */
+      if (UNTAG_Bool(REGB2)) {
+        /* ./compiling//compiling_icode.nit:245 */
+        REGB2 = REGB0;
+        /* ./compiling//compiling_icode.nit:246 */
+        REGB3 = TAG_Int(5);
+        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB3);
         if (!once_value_7) {
-          fra.me.REG[9] = BOX_NativeString("CLOS_");
-          REGB1 = TAG_Int(5);
-          fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB1);
-          once_value_7 = fra.me.REG[9];
+          fra.me.REG[8] = BOX_NativeString("CLOS_");
+          REGB3 = TAG_Int(5);
+          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+          once_value_7 = fra.me.REG[8];
           register_static_object(&once_value_7);
-        } else fra.me.REG[9] = once_value_7;
-        array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-        array___Array___add(fra.me.REG[8], fra.me.REG[2]);
+        } else fra.me.REG[8] = once_value_7;
+        fra.me.REG[8] = fra.me.REG[8];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
         if (!once_value_8) {
-          fra.me.REG[9] = BOX_NativeString("_");
-          REGB1 = TAG_Int(1);
-          fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB1);
-          once_value_8 = fra.me.REG[9];
+          fra.me.REG[8] = BOX_NativeString("_");
+          REGB3 = TAG_Int(1);
+          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+          once_value_8 = fra.me.REG[8];
           register_static_object(&once_value_8);
-        } else fra.me.REG[9] = once_value_8;
-        array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-        fra.me.REG[9] = CALL_string___Object___to_s(REGB0)(REGB0);
-        array___Array___add(fra.me.REG[8], fra.me.REG[9]);
+        } else fra.me.REG[8] = once_value_8;
+        fra.me.REG[8] = fra.me.REG[8];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+        fra.me.REG[8] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
         if (!once_value_9) {
-          fra.me.REG[9] = BOX_NativeString("");
-          REGB1 = TAG_Int(0);
-          fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB1);
-          once_value_9 = fra.me.REG[9];
+          fra.me.REG[8] = BOX_NativeString("");
+          REGB3 = TAG_Int(0);
+          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+          once_value_9 = fra.me.REG[8];
           register_static_object(&once_value_9);
-        } else fra.me.REG[9] = once_value_9;
-        array___Array___add(fra.me.REG[8], fra.me.REG[9]);
-        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
-        fra.me.REG[9] = CALL_icode_base___IRoutine___closure_decls(fra.me.REG[0])(fra.me.REG[0]);
-        REGB1 = TAG_Bool(fra.me.REG[9]==NIT_NULL);
-        /* ./compiling//compiling_icode.nit:233 */
-        if (UNTAG_Bool(REGB1)) {
-          fprintf(stderr, "Reciever is null");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 233);
-          nit_exit(1);
+        } else fra.me.REG[8] = once_value_9;
+        fra.me.REG[8] = fra.me.REG[8];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[8]);
+        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        /* ./compiling//compiling_icode.nit:247 */
+        fra.me.REG[8] = CALL_icode_base___IRoutine___closure_decls(fra.me.REG[0])(fra.me.REG[0]);
+        REGB3 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+          nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 247);
         }
-        fra.me.REG[9] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[9])(fra.me.REG[9], REGB0);
-        REGB1 = TAG_Bool(fra.me.REG[9]==NIT_NULL);
-        if (UNTAG_Bool(REGB1)) {
-          fprintf(stderr, "Reciever is null");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 233);
-          nit_exit(1);
+        fra.me.REG[8] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[8])(fra.me.REG[8], REGB2);
+        REGB3 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+          nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 247);
         }
-        fra.me.REG[9] = CALL_icode_base___IClosureDecl___closure(fra.me.REG[9])(fra.me.REG[9]);
-        fra.me.REG[9] = CALL_static_type___MMClosure___signature(fra.me.REG[9])(fra.me.REG[9]);
-        fra.me.REG[10] = NEW_Array_array___Array___init();
-        /* ./compiling//compiling_icode.nit:235 */
+        fra.me.REG[8] = CALL_icode_base___IClosureDecl___closure(fra.me.REG[8])(fra.me.REG[8]);
+        fra.me.REG[8] = CALL_static_type___MMClosure___signature(fra.me.REG[8])(fra.me.REG[8]);
+        /* ./compiling//compiling_icode.nit:248 */
+        fra.me.REG[9] = NEW_Array_array___Array___init();
+        /* ./compiling//compiling_icode.nit:249 */
         if (!once_value_10) {
-          fra.me.REG[11] = BOX_NativeString("struct stack_frame_t *");
-          REGB1 = TAG_Int(22);
-          fra.me.REG[11] = NEW_String_string___String___with_native(fra.me.REG[11], REGB1);
-          once_value_10 = fra.me.REG[11];
+          fra.me.REG[10] = BOX_NativeString("struct stack_frame_t *");
+          REGB3 = TAG_Int(22);
+          fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB3);
+          once_value_10 = fra.me.REG[10];
           register_static_object(&once_value_10);
-        } else fra.me.REG[11] = once_value_10;
-        array___Array___add(fra.me.REG[10], fra.me.REG[11]);
-        REGB1 = TAG_Int(0);
-        REGB2 = CALL_static_type___MMSignature___arity(fra.me.REG[9])(fra.me.REG[9]);
-        fra.me.REG[11] = NEW_Range_range___Range___without_last(REGB1, REGB2);
-        fra.me.REG[11] = CALL_abstract_collection___Collection___iterator(fra.me.REG[11])(fra.me.REG[11]);
-        /* ./compiling//compiling_icode.nit:236 */
+        } else fra.me.REG[10] = once_value_10;
+        fra.me.REG[10] = fra.me.REG[10];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[10]);
+        /* ./compiling//compiling_icode.nit:250 */
+        REGB3 = TAG_Int(0);
+        REGB4 = CALL_static_type___MMSignature___arity(fra.me.REG[8])(fra.me.REG[8]);
+        /* ./../lib/standard//kernel.nit:332 */
         while(1) {
-          REGB2 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[11])(fra.me.REG[11]);
-          if (UNTAG_Bool(REGB2)) {
-            REGB2 = CALL_abstract_collection___Iterator___item(fra.me.REG[11])(fra.me.REG[11]);
-            /* ./compiling//compiling_icode.nit:237 */
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB5 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
+          /* ./../lib/standard//kernel.nit:332 */
+          if (UNTAG_Bool(REGB5)) {
+            /* ./compiling//compiling_icode.nit:251 */
             if (!once_value_11) {
-              fra.me.REG[12] = BOX_NativeString("val_t");
-              REGB2 = TAG_Int(5);
-              fra.me.REG[12] = NEW_String_string___String___with_native(fra.me.REG[12], REGB2);
-              once_value_11 = fra.me.REG[12];
+              fra.me.REG[10] = BOX_NativeString("val_t");
+              REGB5 = TAG_Int(5);
+              fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB5);
+              once_value_11 = fra.me.REG[10];
               register_static_object(&once_value_11);
-            } else fra.me.REG[12] = once_value_11;
-            array___Array___add(fra.me.REG[10], fra.me.REG[12]);
+            } else fra.me.REG[10] = once_value_11;
+            fra.me.REG[10] = fra.me.REG[10];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[10]);
+            /* ./../lib/standard//kernel.nit:334 */
+            REGB5 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB5 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB5));
+            /* ./../lib/standard//kernel.nit:334 */
+            REGB3 = REGB5;
           } else {
-            /* ./compiling//compiling_icode.nit:236 */
+            /* ./../lib/standard//kernel.nit:332 */
             goto label12;
           }
-          CALL_abstract_collection___Iterator___next(fra.me.REG[11])(fra.me.REG[11]);
         }
         label12: while(0);
-        /* ./compiling//compiling_icode.nit:239 */
+        /* ./compiling//compiling_icode.nit:253 */
         if (!once_value_13) {
-          fra.me.REG[11] = BOX_NativeString("void");
-          REGB2 = TAG_Int(4);
-          fra.me.REG[11] = NEW_String_string___String___with_native(fra.me.REG[11], REGB2);
-          once_value_13 = fra.me.REG[11];
+          fra.me.REG[10] = BOX_NativeString("void");
+          REGB3 = TAG_Int(4);
+          fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB3);
+          once_value_13 = fra.me.REG[10];
           register_static_object(&once_value_13);
-        } else fra.me.REG[11] = once_value_13;
-        fra.me.REG[9] = CALL_static_type___MMSignature___return_type(fra.me.REG[9])(fra.me.REG[9]);
-        REGB2 = TAG_Bool(fra.me.REG[9]==NIT_NULL);
-        /* ./compiling//compiling_icode.nit:240 */
-        if (UNTAG_Bool(REGB2)) {
+        } else fra.me.REG[10] = once_value_13;
+        fra.me.REG[10] = fra.me.REG[10];
+        /* ./compiling//compiling_icode.nit:254 */
+        fra.me.REG[8] = CALL_static_type___MMSignature___return_type(fra.me.REG[8])(fra.me.REG[8]);
+        REGB3 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
         } else {
-          REGB1 = TAG_Bool(fra.me.REG[9]==NIT_NULL);
-          if (UNTAG_Bool(REGB1)) {
-            REGB1 = TAG_Bool(false);
-            REGB2 = REGB1;
+          REGB4 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+          if (UNTAG_Bool(REGB4)) {
+            REGB4 = TAG_Bool(false);
+            REGB3 = REGB4;
           } else {
-            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[9])(fra.me.REG[9], NIT_NULL);
-            REGB2 = REGB1;
+            REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], NIT_NULL);
+            REGB3 = REGB4;
           }
         }
-        REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
-        if (UNTAG_Bool(REGB2)) {
+        REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+        if (UNTAG_Bool(REGB3)) {
           if (!once_value_14) {
-            fra.me.REG[9] = BOX_NativeString("val_t");
-            REGB2 = TAG_Int(5);
-            fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB2);
-            once_value_14 = fra.me.REG[9];
+            fra.me.REG[8] = BOX_NativeString("val_t");
+            REGB3 = TAG_Int(5);
+            fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB3);
+            once_value_14 = fra.me.REG[8];
             register_static_object(&once_value_14);
-          } else fra.me.REG[9] = once_value_14;
-          fra.me.REG[11] = fra.me.REG[9];
+          } else fra.me.REG[8] = once_value_14;
+          fra.me.REG[8] = fra.me.REG[8];
+          fra.me.REG[10] = fra.me.REG[8];
         }
-        REGB2 = TAG_Int(0);
-        fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB2);
-        REGB2 = TAG_Int(7);
-        fra.me.REG[12] = NEW_Array_array___Array___with_capacity(REGB2);
-        /* ./compiling//compiling_icode.nit:241 */
+        /* ./compiling//compiling_icode.nit:255 */
+        REGB3 = TAG_Int(7);
+        fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB3);
         if (!once_value_15) {
-          fra.me.REG[13] = BOX_NativeString("typedef ");
-          REGB2 = TAG_Int(8);
-          fra.me.REG[13] = NEW_String_string___String___with_native(fra.me.REG[13], REGB2);
-          once_value_15 = fra.me.REG[13];
+          fra.me.REG[11] = BOX_NativeString("typedef ");
+          REGB3 = TAG_Int(8);
+          fra.me.REG[11] = NEW_String_string___String___with_native(fra.me.REG[11], REGB3);
+          once_value_15 = fra.me.REG[11];
           register_static_object(&once_value_15);
-        } else fra.me.REG[13] = once_value_15;
-        array___Array___add(fra.me.REG[12], fra.me.REG[13]);
-        array___Array___add(fra.me.REG[12], fra.me.REG[11]);
+        } else fra.me.REG[11] = once_value_15;
+        fra.me.REG[11] = fra.me.REG[11];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[11]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[10]);
         if (!once_value_16) {
-          fra.me.REG[11] = BOX_NativeString(" (*");
-          REGB2 = TAG_Int(3);
-          fra.me.REG[11] = NEW_String_string___String___with_native(fra.me.REG[11], REGB2);
-          once_value_16 = fra.me.REG[11];
+          fra.me.REG[10] = BOX_NativeString(" (*");
+          REGB3 = TAG_Int(3);
+          fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB3);
+          once_value_16 = fra.me.REG[10];
           register_static_object(&once_value_16);
-        } else fra.me.REG[11] = once_value_16;
-        array___Array___add(fra.me.REG[12], fra.me.REG[11]);
-        array___Array___add(fra.me.REG[12], fra.me.REG[8]);
+        } else fra.me.REG[10] = once_value_16;
+        fra.me.REG[10] = fra.me.REG[10];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[10]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
         if (!once_value_17) {
-          fra.me.REG[8] = BOX_NativeString(")(");
-          REGB2 = TAG_Int(2);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB2);
-          once_value_17 = fra.me.REG[8];
+          fra.me.REG[4] = BOX_NativeString(")(");
+          REGB3 = TAG_Int(2);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+          once_value_17 = fra.me.REG[4];
           register_static_object(&once_value_17);
-        } else fra.me.REG[8] = once_value_17;
-        array___Array___add(fra.me.REG[12], fra.me.REG[8]);
+        } else fra.me.REG[4] = once_value_17;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
         if (!once_value_18) {
-          fra.me.REG[8] = BOX_NativeString(", ");
-          REGB2 = TAG_Int(2);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB2);
-          once_value_18 = fra.me.REG[8];
+          fra.me.REG[4] = BOX_NativeString(", ");
+          REGB3 = TAG_Int(2);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+          once_value_18 = fra.me.REG[4];
           register_static_object(&once_value_18);
-        } else fra.me.REG[8] = once_value_18;
-        fra.me.REG[8] = CALL_string___Collection___join(fra.me.REG[10])(fra.me.REG[10], fra.me.REG[8]);
-        array___Array___add(fra.me.REG[12], fra.me.REG[8]);
+        } else fra.me.REG[4] = once_value_18;
+        fra.me.REG[4] = fra.me.REG[4];
+        fra.me.REG[4] = CALL_string___Collection___join(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[4]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
         if (!once_value_19) {
-          fra.me.REG[8] = BOX_NativeString(");");
-          REGB2 = TAG_Int(2);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB2);
-          once_value_19 = fra.me.REG[8];
+          fra.me.REG[4] = BOX_NativeString(");");
+          REGB3 = TAG_Int(2);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+          once_value_19 = fra.me.REG[4];
           register_static_object(&once_value_19);
-        } else fra.me.REG[8] = once_value_19;
-        array___Array___add(fra.me.REG[12], fra.me.REG[8]);
-        fra.me.REG[12] = CALL_string___Object___to_s(fra.me.REG[12])(fra.me.REG[12]);
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
-        CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[9]);
-        REGB2 = TAG_Int(3);
-        fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB2);
-        /* ./compiling//compiling_icode.nit:242 */
+        } else fra.me.REG[4] = once_value_19;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
+        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+        CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[8]);
+        /* ./compiling//compiling_icode.nit:256 */
+        REGB3 = TAG_Int(3);
+        fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB3);
         if (!once_value_20) {
-          fra.me.REG[12] = BOX_NativeString("clos_fun");
-          REGB2 = TAG_Int(8);
-          fra.me.REG[12] = NEW_String_string___String___with_native(fra.me.REG[12], REGB2);
-          once_value_20 = fra.me.REG[12];
+          fra.me.REG[4] = BOX_NativeString("clos_fun");
+          REGB3 = TAG_Int(8);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+          once_value_20 = fra.me.REG[4];
           register_static_object(&once_value_20);
-        } else fra.me.REG[12] = once_value_20;
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
-        fra.me.REG[12] = CALL_string___Object___to_s(REGB0)(REGB0);
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
+        } else fra.me.REG[4] = once_value_20;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
+        fra.me.REG[4] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
         if (!once_value_21) {
-          fra.me.REG[12] = BOX_NativeString("");
-          REGB2 = TAG_Int(0);
-          fra.me.REG[12] = NEW_String_string___String___with_native(fra.me.REG[12], REGB2);
-          once_value_21 = fra.me.REG[12];
+          fra.me.REG[4] = BOX_NativeString("");
+          REGB3 = TAG_Int(0);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+          once_value_21 = fra.me.REG[4];
           register_static_object(&once_value_21);
-        } else fra.me.REG[12] = once_value_21;
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
-        fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[9])(fra.me.REG[9]);
-        array___Array___add(fra.me.REG[6], fra.me.REG[9]);
-        REGB2 = TAG_Int(3);
-        fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB2);
-        /* ./compiling//compiling_icode.nit:243 */
+        } else fra.me.REG[4] = once_value_21;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
+        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[8]);
+        /* ./compiling//compiling_icode.nit:257 */
+        REGB3 = TAG_Int(3);
+        fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB3);
         if (!once_value_22) {
-          fra.me.REG[12] = BOX_NativeString("fun_t clos_fun");
-          REGB2 = TAG_Int(14);
-          fra.me.REG[12] = NEW_String_string___String___with_native(fra.me.REG[12], REGB2);
-          once_value_22 = fra.me.REG[12];
+          fra.me.REG[4] = BOX_NativeString("fun_t clos_fun");
+          REGB3 = TAG_Int(14);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+          once_value_22 = fra.me.REG[4];
           register_static_object(&once_value_22);
-        } else fra.me.REG[12] = once_value_22;
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
-        fra.me.REG[12] = CALL_string___Object___to_s(REGB0)(REGB0);
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
+        } else fra.me.REG[4] = once_value_22;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
+        fra.me.REG[4] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
         if (!once_value_23) {
-          fra.me.REG[12] = BOX_NativeString("");
-          REGB0 = TAG_Int(0);
-          fra.me.REG[12] = NEW_String_string___String___with_native(fra.me.REG[12], REGB0);
-          once_value_23 = fra.me.REG[12];
+          fra.me.REG[4] = BOX_NativeString("");
+          REGB2 = TAG_Int(0);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB2);
+          once_value_23 = fra.me.REG[4];
           register_static_object(&once_value_23);
-        } else fra.me.REG[12] = once_value_23;
-        array___Array___add(fra.me.REG[9], fra.me.REG[12]);
-        fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[9])(fra.me.REG[9]);
-        array___Array___add(fra.me.REG[7], fra.me.REG[9]);
+        } else fra.me.REG[4] = once_value_23;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
+        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        /* ./../lib/standard//kernel.nit:334 */
+        REGB2 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
+        /* ./../lib/standard//kernel.nit:334 */
+        REGB0 = REGB2;
       } else {
-        /* ./compiling//compiling_icode.nit:231 */
+        /* ./../lib/standard//kernel.nit:332 */
         goto label24;
       }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
     }
     label24: while(0);
   }
+  /* ./compiling//compiling_icode.nit:260 */
   REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:246 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
-    if (UNTAG_Bool(REGB2)) {
-      REGB2 = TAG_Bool(false);
-      REGB0 = REGB2;
+    REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
     } else {
-      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
-      REGB0 = REGB2;
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+      REGB0 = REGB1;
     }
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    array___Array___add(fra.me.REG[7], fra.me.REG[5]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
   }
-  /* ./compiling//compiling_icode.nit:247 */
+  /* ./compiling//compiling_icode.nit:261 */
   if (!once_value_25) {
     fra.me.REG[5] = BOX_NativeString("void");
     REGB0 = TAG_Int(4);
@@ -1728,18 +1776,19 @@ val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, va
     once_value_25 = fra.me.REG[5];
     register_static_object(&once_value_25);
   } else fra.me.REG[5] = once_value_25;
+  fra.me.REG[5] = fra.me.REG[5];
+  /* ./compiling//compiling_icode.nit:262 */
   fra.me.REG[0] = CALL_icode_base___IRoutine___result(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:248 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB2 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-    if (UNTAG_Bool(REGB2)) {
-      REGB2 = TAG_Bool(false);
-      REGB0 = REGB2;
+    REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
     } else {
-      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
-      REGB0 = REGB2;
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+      REGB0 = REGB1;
     }
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -1751,12 +1800,13 @@ val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, va
       once_value_26 = fra.me.REG[0];
       register_static_object(&once_value_26);
     } else fra.me.REG[0] = once_value_26;
+    fra.me.REG[0] = fra.me.REG[0];
     fra.me.REG[5] = fra.me.REG[0];
   }
+  /* ./compiling//compiling_icode.nit:264 */
   REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[7])(fra.me.REG[7]);
-  /* ./compiling//compiling_icode.nit:250 */
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_icode.nit:251 */
+    /* ./compiling//compiling_icode.nit:265 */
     if (!once_value_27) {
       fra.me.REG[0] = BOX_NativeString("void");
       REGB0 = TAG_Int(4);
@@ -1764,178 +1814,217 @@ val_t compiling_icode___IRoutine___compile_signature_to_c(val_t p0, val_t p1, va
       once_value_27 = fra.me.REG[0];
       register_static_object(&once_value_27);
     } else fra.me.REG[0] = once_value_27;
+    fra.me.REG[0] = fra.me.REG[0];
   } else {
-    /* ./compiling//compiling_icode.nit:253 */
+    /* ./compiling//compiling_icode.nit:267 */
     if (!once_value_28) {
-      fra.me.REG[4] = BOX_NativeString(", ");
+      fra.me.REG[8] = BOX_NativeString(", ");
       REGB0 = TAG_Int(2);
-      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-      once_value_28 = fra.me.REG[4];
+      fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+      once_value_28 = fra.me.REG[8];
       register_static_object(&once_value_28);
-    } else fra.me.REG[4] = once_value_28;
-    fra.me.REG[4] = CALL_string___Collection___join(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[4]);
-    fra.me.REG[0] = fra.me.REG[4];
+    } else fra.me.REG[8] = once_value_28;
+    fra.me.REG[8] = fra.me.REG[8];
+    fra.me.REG[8] = CALL_string___Collection___join(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+    fra.me.REG[0] = fra.me.REG[8];
   }
+  /* ./compiling//compiling_icode.nit:269 */
   REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:255 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-    if (UNTAG_Bool(REGB2)) {
-      REGB2 = TAG_Bool(false);
-      REGB0 = REGB2;
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
     } else {
-      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
-      REGB0 = REGB2;
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
     }
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Int(4);
-    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+    REGB0 = TAG_Int(5);
+    fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
     if (!once_value_29) {
-      fra.me.REG[7] = BOX_NativeString("#define LOCATE_");
-      REGB0 = TAG_Int(15);
+      fra.me.REG[7] = BOX_NativeString("static const char * const LOCATE_");
+      REGB0 = TAG_Int(33);
       fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
       once_value_29 = fra.me.REG[7];
       register_static_object(&once_value_29);
     } else fra.me.REG[7] = once_value_29;
-    array___Array___add(fra.me.REG[4], fra.me.REG[7]);
-    array___Array___add(fra.me.REG[4], fra.me.REG[2]);
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[2]);
     if (!once_value_30) {
-      fra.me.REG[7] = BOX_NativeString(" \"");
-      REGB0 = TAG_Int(2);
+      fra.me.REG[7] = BOX_NativeString(" = \"");
+      REGB0 = TAG_Int(4);
       fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
       once_value_30 = fra.me.REG[7];
       register_static_object(&once_value_30);
     } else fra.me.REG[7] = once_value_30;
-    array___Array___add(fra.me.REG[4], fra.me.REG[7]);
-    array___Array___add(fra.me.REG[4], fra.me.REG[3]);
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
     if (!once_value_31) {
-      fra.me.REG[3] = BOX_NativeString("\"");
-      REGB0 = TAG_Int(1);
+      fra.me.REG[3] = BOX_NativeString("\";");
+      REGB0 = TAG_Int(2);
       fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
       once_value_31 = fra.me.REG[3];
       register_static_object(&once_value_31);
     } else fra.me.REG[3] = once_value_31;
-    array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-    CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+    fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+    CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[8]);
   }
-  REGB0 = TAG_Int(5);
-  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:256 */
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  /* ./compiling//compiling_icode.nit:270 */
+  REGB0 = TAG_Int(7);
+  fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
   if (!once_value_32) {
-    fra.me.REG[3] = BOX_NativeString(" ");
-    REGB0 = TAG_Int(1);
+    fra.me.REG[3] = BOX_NativeString("");
+    REGB0 = TAG_Int(0);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_32 = fra.me.REG[3];
     register_static_object(&once_value_32);
   } else fra.me.REG[3] = once_value_32;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[5]);
   if (!once_value_33) {
-    fra.me.REG[3] = BOX_NativeString("(");
+    fra.me.REG[3] = BOX_NativeString(" ");
     REGB0 = TAG_Int(1);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_33 = fra.me.REG[3];
     register_static_object(&once_value_33);
   } else fra.me.REG[3] = once_value_33;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[2]);
   if (!once_value_34) {
-    fra.me.REG[3] = BOX_NativeString(");");
-    REGB0 = TAG_Int(2);
+    fra.me.REG[3] = BOX_NativeString("(");
+    REGB0 = TAG_Int(1);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_34 = fra.me.REG[3];
     register_static_object(&once_value_34);
   } else fra.me.REG[3] = once_value_34;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-  REGB0 = TAG_Int(6);
-  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:257 */
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[0]);
   if (!once_value_35) {
-    fra.me.REG[3] = BOX_NativeString("typedef ");
-    REGB0 = TAG_Int(8);
+    fra.me.REG[3] = BOX_NativeString(");");
+    REGB0 = TAG_Int(2);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_35 = fra.me.REG[3];
     register_static_object(&once_value_35);
   } else fra.me.REG[3] = once_value_35;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+  CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[8]);
+  /* ./compiling//compiling_icode.nit:271 */
+  REGB0 = TAG_Int(7);
+  fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
   if (!once_value_36) {
-    fra.me.REG[3] = BOX_NativeString(" (*");
-    REGB0 = TAG_Int(3);
+    fra.me.REG[3] = BOX_NativeString("typedef ");
+    REGB0 = TAG_Int(8);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_36 = fra.me.REG[3];
     register_static_object(&once_value_36);
   } else fra.me.REG[3] = once_value_36;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[5]);
   if (!once_value_37) {
-    fra.me.REG[3] = BOX_NativeString("_t)(");
-    REGB0 = TAG_Int(4);
+    fra.me.REG[3] = BOX_NativeString(" (*");
+    REGB0 = TAG_Int(3);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_37 = fra.me.REG[3];
     register_static_object(&once_value_37);
   } else fra.me.REG[3] = once_value_37;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[2]);
   if (!once_value_38) {
-    fra.me.REG[3] = BOX_NativeString(");");
-    REGB0 = TAG_Int(2);
+    fra.me.REG[3] = BOX_NativeString("_t)(");
+    REGB0 = TAG_Int(4);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_38 = fra.me.REG[3];
     register_static_object(&once_value_38);
   } else fra.me.REG[3] = once_value_38;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-  REGB0 = TAG_Int(5);
-  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:258 */
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[0]);
   if (!once_value_39) {
+    fra.me.REG[3] = BOX_NativeString(");");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_39 = fra.me.REG[3];
+    register_static_object(&once_value_39);
+  } else fra.me.REG[3] = once_value_39;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+  CALL_compiling_base___CompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[8]);
+  /* ./compiling//compiling_icode.nit:272 */
+  REGB0 = TAG_Int(7);
+  fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
+  if (!once_value_40) {
+    fra.me.REG[3] = BOX_NativeString("");
+    REGB0 = TAG_Int(0);
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_40 = fra.me.REG[3];
+    register_static_object(&once_value_40);
+  } else fra.me.REG[3] = once_value_40;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[5]);
+  if (!once_value_41) {
     fra.me.REG[5] = BOX_NativeString(" ");
     REGB0 = TAG_Int(1);
     fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-    once_value_39 = fra.me.REG[5];
-    register_static_object(&once_value_39);
-  } else fra.me.REG[5] = once_value_39;
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
-  if (!once_value_40) {
+    once_value_41 = fra.me.REG[5];
+    register_static_object(&once_value_41);
+  } else fra.me.REG[5] = once_value_41;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[2]);
+  if (!once_value_42) {
     fra.me.REG[2] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
     fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_40 = fra.me.REG[2];
-    register_static_object(&once_value_40);
-  } else fra.me.REG[2] = once_value_40;
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-  if (!once_value_41) {
+    once_value_42 = fra.me.REG[2];
+    register_static_object(&once_value_42);
+  } else fra.me.REG[2] = once_value_42;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[0]);
+  if (!once_value_43) {
     fra.me.REG[0] = BOX_NativeString("){");
     REGB0 = TAG_Int(2);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_41 = fra.me.REG[0];
-    register_static_object(&once_value_41);
-  } else fra.me.REG[0] = once_value_41;
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-  CALL_compiling_base___CompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-  /* ./compiling//compiling_icode.nit:259 */
+    once_value_43 = fra.me.REG[0];
+    register_static_object(&once_value_43);
+  } else fra.me.REG[0] = once_value_43;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[0]);
+  fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+  CALL_compiling_base___CompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[8]);
+  /* ./compiling//compiling_icode.nit:273 */
   CALL_compiling_base___CompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:260 */
-  goto label42;
-  label42: while(0);
+  /* ./compiling//compiling_icode.nit:274 */
+  goto label44;
+  label44: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[6];
 }
 val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[10];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[9];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
   val_t REGB3;
+  val_t REGB4;
+  val_t REGB5;
   val_t tmp;
     static val_t once_value_1; /* Once value */
     static val_t once_value_2; /* Once value */
@@ -1973,10 +2062,10 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
   static val_t once_value_41; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 263;
+  fra.me.line = 277;
   fra.me.meth = LOCATE_compiling_icode___IRoutine___compile_inside_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 11;
+  fra.me.REG_size = 10;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1987,14 +2076,14 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[8] = NIT_NULL;
   fra.me.REG[9] = NIT_NULL;
-  fra.me.REG[10] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./compiling//compiling_icode.nit:281 */
   REGB0 = TAG_Int(0);
+  /* ./compiling//compiling_icode.nit:282 */
   fra.me.REG[3] = CALL_icode_base___IRoutine___location(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:268 */
   if (UNTAG_Bool(REGB1)) {
   } else {
     REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
@@ -2008,25 +2097,25 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
   }
   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
   if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:283 */
     fra.me.REG[3] = CALL_icode_base___IRoutine___location(fra.me.REG[0])(fra.me.REG[0]);
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-    /* ./compiling//compiling_icode.nit:269 */
     if (UNTAG_Bool(REGB1)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 269);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 283);
     }
     REGB1 = CALL_location___Location___line_start(fra.me.REG[3])(fra.me.REG[3]);
     REGB0 = REGB1;
   }
+  /* ./compiling//compiling_icode.nit:286 */
   REGB1 = CALL_allocate_iregister_slots___IRoutine___std_slots_nb(fra.me.REG[0])(fra.me.REG[0]);
   REGB2 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:214 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
-  /* ./compiling//compiling_icode.nit:272 */
+  /* ./compiling//compiling_icode.nit:286 */
   if (UNTAG_Bool(REGB2)) {
+    /* ./compiling//compiling_icode.nit:287 */
     REGB2 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB2);
-    /* ./compiling//compiling_icode.nit:273 */
     if (!once_value_1) {
       fra.me.REG[4] = BOX_NativeString("struct {struct stack_frame_t me; val_t MORE_REG[");
       REGB2 = TAG_Int(48);
@@ -2034,13 +2123,15 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_1 = fra.me.REG[4];
       register_static_object(&once_value_1);
     } else fra.me.REG[4] = once_value_1;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     REGB2 = CALL_allocate_iregister_slots___IRoutine___std_slots_nb(fra.me.REG[0])(fra.me.REG[0]);
     REGB1 = TAG_Int(1);
+    /* ./../lib/standard//kernel.nit:217 */
     REGB1 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB1));
+    /* ./compiling//compiling_icode.nit:287 */
     fra.me.REG[4] = CALL_string___Object___to_s(REGB1)(REGB1);
-    /* ./compiling//compiling_icode.nit:273 */
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_2) {
       fra.me.REG[4] = BOX_NativeString("];} fra;");
       REGB1 = TAG_Int(8);
@@ -2048,11 +2139,12 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_2 = fra.me.REG[4];
       register_static_object(&once_value_2);
     } else fra.me.REG[4] = once_value_2;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
   } else {
-    /* ./compiling//compiling_icode.nit:275 */
+    /* ./compiling//compiling_icode.nit:289 */
     if (!once_value_3) {
       fra.me.REG[3] = BOX_NativeString("struct {struct stack_frame_t me;} fra;");
       REGB1 = TAG_Int(38);
@@ -2060,9 +2152,10 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_3 = fra.me.REG[3];
       register_static_object(&once_value_3);
     } else fra.me.REG[3] = once_value_3;
+    fra.me.REG[3] = fra.me.REG[3];
     CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
   }
-  /* ./compiling//compiling_icode.nit:277 */
+  /* ./compiling//compiling_icode.nit:291 */
   if (!once_value_4) {
     fra.me.REG[3] = BOX_NativeString("fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;");
     REGB1 = TAG_Int(59);
@@ -2070,10 +2163,11 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_4 = fra.me.REG[3];
     register_static_object(&once_value_4);
   } else fra.me.REG[3] = once_value_4;
+  fra.me.REG[3] = fra.me.REG[3];
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:292 */
   REGB1 = TAG_Int(3);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-  /* ./compiling//compiling_icode.nit:278 */
   if (!once_value_5) {
     fra.me.REG[4] = BOX_NativeString("fra.me.file = LOCATE_");
     REGB1 = TAG_Int(21);
@@ -2081,12 +2175,13 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_5 = fra.me.REG[4];
     register_static_object(&once_value_5);
   } else fra.me.REG[4] = once_value_5;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[1])(fra.me.REG[1]);
-  fra.me.REG[4] = CALL_compiling_base___CompilerVisitor___module(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[4] = CALL_compiling_base___CompilerVisitor___mmmodule(fra.me.REG[4])(fra.me.REG[4]);
   fra.me.REG[4] = CALL_abstractmetamodel___MMModule___name(fra.me.REG[4])(fra.me.REG[4]);
   fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   if (!once_value_6) {
     fra.me.REG[4] = BOX_NativeString(";");
     REGB1 = TAG_Int(1);
@@ -2094,12 +2189,13 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_6 = fra.me.REG[4];
     register_static_object(&once_value_6);
   } else fra.me.REG[4] = once_value_6;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:293 */
   REGB1 = TAG_Int(3);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-  /* ./compiling//compiling_icode.nit:279 */
   if (!once_value_7) {
     fra.me.REG[4] = BOX_NativeString("fra.me.line = ");
     REGB1 = TAG_Int(14);
@@ -2107,9 +2203,10 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_7 = fra.me.REG[4];
     register_static_object(&once_value_7);
   } else fra.me.REG[4] = once_value_7;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   if (!once_value_8) {
     fra.me.REG[4] = BOX_NativeString(";");
     REGB0 = TAG_Int(1);
@@ -2117,12 +2214,13 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_8 = fra.me.REG[4];
     register_static_object(&once_value_8);
   } else fra.me.REG[4] = once_value_8;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:294 */
   REGB0 = TAG_Int(3);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:280 */
   if (!once_value_9) {
     fra.me.REG[4] = BOX_NativeString("fra.me.meth = LOCATE_");
     REGB0 = TAG_Int(21);
@@ -2130,9 +2228,10 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_9 = fra.me.REG[4];
     register_static_object(&once_value_9);
   } else fra.me.REG[4] = once_value_9;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___basecname(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   if (!once_value_10) {
     fra.me.REG[4] = BOX_NativeString(";");
     REGB0 = TAG_Int(1);
@@ -2140,10 +2239,11 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_10 = fra.me.REG[4];
     register_static_object(&once_value_10);
   } else fra.me.REG[4] = once_value_10;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:281 */
+  /* ./compiling//compiling_icode.nit:295 */
   if (!once_value_11) {
     fra.me.REG[3] = BOX_NativeString("fra.me.has_broke = 0;");
     REGB0 = TAG_Int(21);
@@ -2151,10 +2251,11 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_11 = fra.me.REG[3];
     register_static_object(&once_value_11);
   } else fra.me.REG[3] = once_value_11;
+  fra.me.REG[3] = fra.me.REG[3];
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:296 */
   REGB0 = TAG_Int(3);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:282 */
   if (!once_value_12) {
     fra.me.REG[4] = BOX_NativeString("fra.me.REG_size = ");
     REGB0 = TAG_Int(18);
@@ -2162,10 +2263,11 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_12 = fra.me.REG[4];
     register_static_object(&once_value_12);
   } else fra.me.REG[4] = once_value_12;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   REGB0 = CALL_allocate_iregister_slots___IRoutine___std_slots_nb(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   if (!once_value_13) {
     fra.me.REG[4] = BOX_NativeString(";");
     REGB0 = TAG_Int(1);
@@ -2173,90 +2275,110 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
     once_value_13 = fra.me.REG[4];
     register_static_object(&once_value_13);
   } else fra.me.REG[4] = once_value_13;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:299 */
   REGB0 = TAG_Int(0);
   REGB1 = CALL_allocate_iregister_slots___IRoutine___std_slots_nb(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[3] = NEW_Range_range___Range___without_last(REGB0, REGB1);
-  fra.me.REG[3] = CALL_abstract_collection___Collection___iterator(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:285 */
+  /* ./../lib/standard//kernel.nit:332 */
   while(1) {
-    REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[3])(fra.me.REG[3]);
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = CALL_abstract_collection___Iterator___item(fra.me.REG[3])(fra.me.REG[3]);
-      REGB0 = TAG_Int(3);
-      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-      /* ./compiling//compiling_icode.nit:286 */
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./compiling//compiling_icode.nit:299 */
+      REGB2 = REGB0;
+      /* ./compiling//compiling_icode.nit:300 */
+      REGB3 = TAG_Int(3);
+      fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB3);
       if (!once_value_14) {
-        fra.me.REG[5] = BOX_NativeString("fra.me.REG[");
-        REGB0 = TAG_Int(11);
-        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-        once_value_14 = fra.me.REG[5];
+        fra.me.REG[4] = BOX_NativeString("fra.me.REG[");
+        REGB3 = TAG_Int(11);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+        once_value_14 = fra.me.REG[4];
         register_static_object(&once_value_14);
-      } else fra.me.REG[5] = once_value_14;
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[5] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+      } else fra.me.REG[4] = once_value_14;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = CALL_string___Object___to_s(REGB2)(REGB2);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_15) {
-        fra.me.REG[5] = BOX_NativeString("] = NIT_NULL;");
-        REGB1 = TAG_Int(13);
-        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-        once_value_15 = fra.me.REG[5];
+        fra.me.REG[4] = BOX_NativeString("] = NIT_NULL;");
+        REGB2 = TAG_Int(13);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB2);
+        once_value_15 = fra.me.REG[4];
         register_static_object(&once_value_15);
-      } else fra.me.REG[5] = once_value_15;
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+      } else fra.me.REG[4] = once_value_15;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB2 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB0 = REGB2;
     } else {
-      /* ./compiling//compiling_icode.nit:285 */
+      /* ./../lib/standard//kernel.nit:332 */
       goto label16;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[3])(fra.me.REG[3]);
   }
   label16: while(0);
-  REGB1 = TAG_Int(0);
-  REGB0 = CALL_allocate_iregister_slots___IRoutine___tag_slots_nb(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[3] = NEW_Range_range___Range___without_last(REGB1, REGB0);
-  fra.me.REG[3] = CALL_abstract_collection___Collection___iterator(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:288 */
+  /* ./compiling//compiling_icode.nit:302 */
+  REGB0 = TAG_Int(0);
+  REGB1 = CALL_allocate_iregister_slots___IRoutine___tag_slots_nb(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:332 */
   while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[3])(fra.me.REG[3]);
-    if (UNTAG_Bool(REGB0)) {
-      REGB0 = CALL_abstract_collection___Iterator___item(fra.me.REG[3])(fra.me.REG[3]);
-      REGB1 = TAG_Int(3);
-      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
-      /* ./compiling//compiling_icode.nit:289 */
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./compiling//compiling_icode.nit:302 */
+      REGB2 = REGB0;
+      /* ./compiling//compiling_icode.nit:303 */
+      REGB3 = TAG_Int(3);
+      fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB3);
       if (!once_value_17) {
-        fra.me.REG[5] = BOX_NativeString("val_t REGB");
-        REGB1 = TAG_Int(10);
-        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-        once_value_17 = fra.me.REG[5];
+        fra.me.REG[4] = BOX_NativeString("val_t REGB");
+        REGB3 = TAG_Int(10);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB3);
+        once_value_17 = fra.me.REG[4];
         register_static_object(&once_value_17);
-      } else fra.me.REG[5] = once_value_17;
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[5] = CALL_string___Object___to_s(REGB0)(REGB0);
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+      } else fra.me.REG[4] = once_value_17;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = CALL_string___Object___to_s(REGB2)(REGB2);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_18) {
-        fra.me.REG[5] = BOX_NativeString(";");
-        REGB0 = TAG_Int(1);
-        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-        once_value_18 = fra.me.REG[5];
+        fra.me.REG[4] = BOX_NativeString(";");
+        REGB2 = TAG_Int(1);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB2);
+        once_value_18 = fra.me.REG[4];
         register_static_object(&once_value_18);
-      } else fra.me.REG[5] = once_value_18;
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+      } else fra.me.REG[4] = once_value_18;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB2 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB0 = REGB2;
     } else {
-      /* ./compiling//compiling_icode.nit:288 */
+      /* ./../lib/standard//kernel.nit:332 */
       goto label19;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[3])(fra.me.REG[3]);
   }
   label19: while(0);
+  /* ./compiling//compiling_icode.nit:305 */
   fra.me.REG[3] = CALL_icode_base___IRoutine___closure_decls(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:306 */
   REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:292 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
@@ -2270,9 +2392,9 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:307 */
     REGB0 = TAG_Int(3);
     fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:293 */
     if (!once_value_20) {
       fra.me.REG[5] = BOX_NativeString("fun_t CREG[");
       REGB0 = TAG_Int(11);
@@ -2280,16 +2402,15 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_20 = fra.me.REG[5];
       register_static_object(&once_value_20);
     } else fra.me.REG[5] = once_value_20;
-    array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
     REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 293);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 307);
     }
     REGB0 = CALL_abstract_collection___Collection___length(fra.me.REG[3])(fra.me.REG[3]);
     fra.me.REG[5] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
     if (!once_value_21) {
       fra.me.REG[5] = BOX_NativeString("];");
       REGB0 = TAG_Int(2);
@@ -2297,10 +2418,11 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_21 = fra.me.REG[5];
       register_static_object(&once_value_21);
     } else fra.me.REG[5] = once_value_21;
-    array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
     fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
     CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-    /* ./compiling//compiling_icode.nit:294 */
+    /* ./compiling//compiling_icode.nit:308 */
     if (!once_value_22) {
       fra.me.REG[4] = BOX_NativeString("fra.me.closure_ctx = closctx_param;");
       REGB0 = TAG_Int(35);
@@ -2308,8 +2430,9 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_22 = fra.me.REG[4];
       register_static_object(&once_value_22);
     } else fra.me.REG[4] = once_value_22;
+    fra.me.REG[4] = fra.me.REG[4];
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-    /* ./compiling//compiling_icode.nit:295 */
+    /* ./compiling//compiling_icode.nit:309 */
     if (!once_value_23) {
       fra.me.REG[4] = BOX_NativeString("fra.me.closure_funs = CREG;");
       REGB0 = TAG_Int(27);
@@ -2317,88 +2440,17 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
       once_value_23 = fra.me.REG[4];
       register_static_object(&once_value_23);
     } else fra.me.REG[4] = once_value_23;
+    fra.me.REG[4] = fra.me.REG[4];
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
   }
+  /* ./compiling//compiling_icode.nit:311 */
   REGB0 = TAG_Int(0);
-  fra.me.REG[4] = CALL_icode_base___IRoutine___params(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[4])(fra.me.REG[4]);
-  /* ./compiling//compiling_icode.nit:298 */
-  while(1) {
-    REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-    if (UNTAG_Bool(REGB1)) {
-      fra.me.REG[5] = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-      fra.me.REG[6] = CALL_allocate_iregister_slots___IRegister___slot_index(fra.me.REG[5])(fra.me.REG[5]);
-      REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-      /* ./compiling//compiling_icode.nit:299 */
-      if (UNTAG_Bool(REGB1)) {
-      } else {
-        REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-        if (UNTAG_Bool(REGB2)) {
-          REGB2 = TAG_Bool(false);
-          REGB1 = REGB2;
-        } else {
-          REGB2 = TAG_Bool((fra.me.REG[6])==(NIT_NULL));
-          REGB1 = REGB2;
-        /* ./compiling//compiling_icode.nit:299 */
-        }
-      }
-      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
-      if (UNTAG_Bool(REGB1)) {
-        fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-        fra.me.REG[6] = fra.me.REG[2];
-        REGB1 = REGB0;
-        REGB2 = TAG_Int(0);
-        REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
-        /* ./../lib/standard//collection//array.nit:233 */
-        if (UNTAG_Bool(REGB2)) {
-          REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
-          if (UNTAG_Bool(REGB2)) {
-          } else {
-            fprintf(stderr, "Uninitialized attribute %s", "_length");
-            fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-            nit_exit(1);
-          }
-          REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
-          REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-        /* ./../lib/standard//collection//array.nit:233 */
-        } else {
-          REGB3 = TAG_Bool(false);
-          REGB2 = REGB3;
-        }
-        if (UNTAG_Bool(REGB2)) {
-        } else {
-          fprintf(stderr, "Assert %s  failed", "'index'");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-          nit_exit(1);
-        }
-        fra.me.REG[6] = ATTR_array___Array____items(fra.me.REG[6]);
-        REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-        /* ./../lib/standard//collection//array.nit:234 */
-        if (UNTAG_Bool(REGB2)) {
-          fprintf(stderr, "Reciever is null");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_array, 234);
-          nit_exit(1);
-        }
-        fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB1)];
-        /* ./../lib/standard//collection//array.nit:234 */
-        goto label24;
-        label24: while(0);
-        /* ./compiling//compiling_icode.nit:299 */
-        CALL_compiling_icode___I2CCompilerVisitor___add_assignment(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5], fra.me.REG[6]);
-      }
-      REGB1 = TAG_Int(1);
-      REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-      REGB0 = REGB1;
-    /* ./compiling//compiling_icode.nit:300 */
-    } else {
-      /* ./compiling//compiling_icode.nit:298 */
-      goto label25;
-    }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
-  }
-  label25: while(0);
+  fra.me.REG[4] = REGB0;
+  /* ./compiling//compiling_icode.nit:312 */
+  fra.me.REG[5] = CALL_icode_base___IRoutine___params(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[5])(fra.me.REG[5], (&(fra.me)), ((fun_t)OC_compiling_icode___IRoutine___compile_inside_to_c_24));
+  /* ./compiling//compiling_icode.nit:316 */
   REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:302 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
@@ -2412,254 +2464,280 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:317 */
     REGB0 = TAG_Int(0);
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-    /* ./compiling//compiling_icode.nit:303 */
     if (UNTAG_Bool(REGB1)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 303);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 317);
     }
     REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[3])(fra.me.REG[3]);
-    fra.me.REG[4] = NEW_Range_range___Range___without_last(REGB0, REGB1);
-    fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[4])(fra.me.REG[4]);
+    /* ./../lib/standard//kernel.nit:332 */
     while(1) {
-      REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-      if (UNTAG_Bool(REGB1)) {
-        REGB1 = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-        REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-        /* ./compiling//compiling_icode.nit:304 */
-        if (UNTAG_Bool(REGB0)) {
-          fprintf(stderr, "Reciever is null");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 304);
-          nit_exit(1);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//kernel.nit:332 */
+      if (UNTAG_Bool(REGB2)) {
+        /* ./compiling//compiling_icode.nit:317 */
+        REGB2 = REGB0;
+        /* ./compiling//compiling_icode.nit:318 */
+        REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+          nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 318);
         }
-        fra.me.REG[6] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], REGB1);
-        REGB0 = TAG_Int(5);
-        fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:305 */
+        fra.me.REG[4] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], REGB2);
+        /* ./compiling//compiling_icode.nit:319 */
+        REGB3 = TAG_Int(5);
+        fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB3);
         if (!once_value_26) {
-          fra.me.REG[7] = BOX_NativeString("CREG[");
-          REGB0 = TAG_Int(5);
-          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
-          once_value_26 = fra.me.REG[7];
+          fra.me.REG[6] = BOX_NativeString("CREG[");
+          REGB3 = TAG_Int(5);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB3);
+          once_value_26 = fra.me.REG[6];
           register_static_object(&once_value_26);
-        } else fra.me.REG[7] = once_value_26;
-        array___Array___add(fra.me.REG[5], fra.me.REG[7]);
-        fra.me.REG[7] = CALL_string___Object___to_s(REGB1)(REGB1);
-        array___Array___add(fra.me.REG[5], fra.me.REG[7]);
+        } else fra.me.REG[6] = once_value_26;
+        fra.me.REG[6] = fra.me.REG[6];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+        fra.me.REG[6] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
         if (!once_value_27) {
-          fra.me.REG[7] = BOX_NativeString("] = ");
-          REGB0 = TAG_Int(4);
-          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
-          once_value_27 = fra.me.REG[7];
+          fra.me.REG[6] = BOX_NativeString("] = ");
+          REGB3 = TAG_Int(4);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB3);
+          once_value_27 = fra.me.REG[6];
           register_static_object(&once_value_27);
-        } else fra.me.REG[7] = once_value_27;
-        array___Array___add(fra.me.REG[5], fra.me.REG[7]);
-        fra.me.REG[7] = CALL_icode_base___IRoutine___params(fra.me.REG[0])(fra.me.REG[0]);
-        REGB0 = CALL_abstract_collection___Collection___length(fra.me.REG[7])(fra.me.REG[7]);
-        REGB0 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-        fra.me.REG[7] = fra.me.REG[2];
-        REGB2 = TAG_Int(0);
-        REGB2 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB2));
-        /* ./../lib/standard//collection//array.nit:233 */
-        if (UNTAG_Bool(REGB2)) {
-          REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
-          if (UNTAG_Bool(REGB2)) {
+        } else fra.me.REG[6] = once_value_27;
+        fra.me.REG[6] = fra.me.REG[6];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+        fra.me.REG[6] = CALL_icode_base___IRoutine___params(fra.me.REG[0])(fra.me.REG[0]);
+        REGB3 = CALL_abstract_collection___Collection___length(fra.me.REG[6])(fra.me.REG[6]);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB3 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB2));
+        /* ./../lib/standard//collection//array.nit:243 */
+        fra.me.REG[6] = fra.me.REG[2];
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB4 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB4 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB4));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB4)) {
+          REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+          if (UNTAG_Bool(REGB4)) {
           } else {
-            fprintf(stderr, "Uninitialized attribute %s", "_length");
-            fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-            nit_exit(1);
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
           }
-          REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
-          REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
-        /* ./../lib/standard//collection//array.nit:233 */
+          REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
         } else {
-          REGB3 = TAG_Bool(false);
-          REGB2 = REGB3;
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB5 = TAG_Bool(false);
+          REGB4 = REGB5;
         }
-        if (UNTAG_Bool(REGB2)) {
+        if (UNTAG_Bool(REGB4)) {
         } else {
-          fprintf(stderr, "Assert %s  failed", "'index'");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-          nit_exit(1);
+          nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
         }
-        fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
-        REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
-        /* ./../lib/standard//collection//array.nit:234 */
-        if (UNTAG_Bool(REGB2)) {
-          fprintf(stderr, "Reciever is null");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_array, 234);
-          nit_exit(1);
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[6] = ATTR_array___Array____items(fra.me.REG[6]);
+        REGB4 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+        if (UNTAG_Bool(REGB4)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
         }
-        fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB0)];
-        /* ./../lib/standard//collection//array.nit:234 */
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB3)];
+        /* ./../lib/standard//collection//array.nit:246 */
         goto label28;
         label28: while(0);
-        /* ./compiling//compiling_icode.nit:305 */
-        array___Array___add(fra.me.REG[5], fra.me.REG[7]);
+        /* ./compiling//compiling_icode.nit:319 */
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
         if (!once_value_29) {
-          fra.me.REG[7] = BOX_NativeString(";");
-          REGB0 = TAG_Int(1);
-          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
-          once_value_29 = fra.me.REG[7];
+          fra.me.REG[6] = BOX_NativeString(";");
+          REGB3 = TAG_Int(1);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB3);
+          once_value_29 = fra.me.REG[6];
           register_static_object(&once_value_29);
-        } else fra.me.REG[7] = once_value_29;
-        array___Array___add(fra.me.REG[5], fra.me.REG[7]);
+        } else fra.me.REG[6] = once_value_29;
+        fra.me.REG[6] = fra.me.REG[6];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
         fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
         CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+        /* ./compiling//compiling_icode.nit:320 */
         fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___closures(fra.me.REG[1])(fra.me.REG[1]);
-        /* ./compiling//compiling_icode.nit:306 */
-        CALL_abstract_collection___Map_____braeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6], REGB1);
-        fra.me.REG[5] = CALL_icode_base___IClosureDecl___closure(fra.me.REG[6])(fra.me.REG[6]);
-        fra.me.REG[5] = CALL_static_type___MMClosure___signature(fra.me.REG[5])(fra.me.REG[5]);
-        fra.me.REG[7] = NEW_Array_array___Array___init();
-        /* ./compiling//compiling_icode.nit:309 */
+        fra.me.REG[6] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___Map_____braeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4], fra.me.REG[6]);
+        /* ./compiling//compiling_icode.nit:321 */
+        fra.me.REG[6] = CALL_icode_base___IClosureDecl___closure(fra.me.REG[4])(fra.me.REG[4]);
+        fra.me.REG[6] = CALL_static_type___MMClosure___signature(fra.me.REG[6])(fra.me.REG[6]);
+        /* ./compiling//compiling_icode.nit:322 */
+        fra.me.REG[5] = NEW_Array_array___Array___init();
+        /* ./compiling//compiling_icode.nit:323 */
         if (!once_value_30) {
-          fra.me.REG[8] = BOX_NativeString("struct stack_frame_t *");
-          REGB1 = TAG_Int(22);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
-          once_value_30 = fra.me.REG[8];
+          fra.me.REG[7] = BOX_NativeString("struct stack_frame_t *");
+          REGB2 = TAG_Int(22);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_30 = fra.me.REG[7];
           register_static_object(&once_value_30);
-        } else fra.me.REG[8] = once_value_30;
-        array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-        REGB1 = TAG_Int(0);
-        REGB0 = CALL_static_type___MMSignature___arity(fra.me.REG[5])(fra.me.REG[5]);
-        fra.me.REG[8] = NEW_Range_range___Range___without_last(REGB1, REGB0);
-        fra.me.REG[8] = CALL_abstract_collection___Collection___iterator(fra.me.REG[8])(fra.me.REG[8]);
-        /* ./compiling//compiling_icode.nit:310 */
+        } else fra.me.REG[7] = once_value_30;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[7]);
+        /* ./compiling//compiling_icode.nit:324 */
+        REGB2 = TAG_Int(0);
+        REGB3 = CALL_static_type___MMSignature___arity(fra.me.REG[6])(fra.me.REG[6]);
+        /* ./../lib/standard//kernel.nit:332 */
         while(1) {
-          REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[8])(fra.me.REG[8]);
-          if (UNTAG_Bool(REGB0)) {
-            REGB0 = CALL_abstract_collection___Iterator___item(fra.me.REG[8])(fra.me.REG[8]);
-            /* ./compiling//compiling_icode.nit:311 */
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB4 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
+          /* ./../lib/standard//kernel.nit:332 */
+          if (UNTAG_Bool(REGB4)) {
+            /* ./compiling//compiling_icode.nit:325 */
             if (!once_value_31) {
-              fra.me.REG[9] = BOX_NativeString("val_t");
-              REGB0 = TAG_Int(5);
-              fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB0);
-              once_value_31 = fra.me.REG[9];
+              fra.me.REG[7] = BOX_NativeString("val_t");
+              REGB4 = TAG_Int(5);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB4);
+              once_value_31 = fra.me.REG[7];
               register_static_object(&once_value_31);
-            } else fra.me.REG[9] = once_value_31;
-            /* ./compiling//compiling_icode.nit:312 */
-            array___Array___add(fra.me.REG[7], fra.me.REG[9]);
+            } else fra.me.REG[7] = once_value_31;
+            fra.me.REG[7] = fra.me.REG[7];
+            /* ./compiling//compiling_icode.nit:326 */
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[7]);
+            /* ./../lib/standard//kernel.nit:334 */
+            REGB4 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB4 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB4));
+            /* ./../lib/standard//kernel.nit:334 */
+            REGB2 = REGB4;
           } else {
-            /* ./compiling//compiling_icode.nit:310 */
+            /* ./../lib/standard//kernel.nit:332 */
             goto label32;
           }
-          CALL_abstract_collection___Iterator___next(fra.me.REG[8])(fra.me.REG[8]);
         }
         label32: while(0);
-        /* ./compiling//compiling_icode.nit:314 */
+        /* ./compiling//compiling_icode.nit:328 */
         if (!once_value_33) {
-          fra.me.REG[8] = BOX_NativeString("void");
-          REGB0 = TAG_Int(4);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
-          once_value_33 = fra.me.REG[8];
+          fra.me.REG[7] = BOX_NativeString("void");
+          REGB2 = TAG_Int(4);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_33 = fra.me.REG[7];
           register_static_object(&once_value_33);
-        } else fra.me.REG[8] = once_value_33;
-        fra.me.REG[5] = CALL_static_type___MMSignature___return_type(fra.me.REG[5])(fra.me.REG[5]);
-        REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
-        /* ./compiling//compiling_icode.nit:315 */
-        if (UNTAG_Bool(REGB0)) {
+        } else fra.me.REG[7] = once_value_33;
+        fra.me.REG[7] = fra.me.REG[7];
+        /* ./compiling//compiling_icode.nit:329 */
+        fra.me.REG[6] = CALL_static_type___MMSignature___return_type(fra.me.REG[6])(fra.me.REG[6]);
+        REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
         } else {
-          REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
-          if (UNTAG_Bool(REGB1)) {
-            REGB1 = TAG_Bool(false);
-            REGB0 = REGB1;
+          REGB3 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+          if (UNTAG_Bool(REGB3)) {
+            REGB3 = TAG_Bool(false);
+            REGB2 = REGB3;
           } else {
-            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
-            REGB0 = REGB1;
+            REGB3 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+            REGB2 = REGB3;
           }
         }
-        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-        if (UNTAG_Bool(REGB0)) {
+        REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+        if (UNTAG_Bool(REGB2)) {
           if (!once_value_34) {
-            fra.me.REG[5] = BOX_NativeString("val_t");
-            REGB0 = TAG_Int(5);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_34 = fra.me.REG[5];
+            fra.me.REG[6] = BOX_NativeString("val_t");
+            REGB2 = TAG_Int(5);
+            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB2);
+            once_value_34 = fra.me.REG[6];
             register_static_object(&once_value_34);
-          } else fra.me.REG[5] = once_value_34;
-          fra.me.REG[8] = fra.me.REG[5];
+          } else fra.me.REG[6] = once_value_34;
+          fra.me.REG[6] = fra.me.REG[6];
+          fra.me.REG[7] = fra.me.REG[6];
         }
-        fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___clostypes(fra.me.REG[1])(fra.me.REG[1]);
-        REGB0 = TAG_Int(5);
-        fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:316 */
+        /* ./compiling//compiling_icode.nit:330 */
+        fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___clostypes(fra.me.REG[1])(fra.me.REG[1]);
+        REGB2 = TAG_Int(5);
+        fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB2);
         if (!once_value_35) {
-          fra.me.REG[10] = BOX_NativeString("");
-          REGB0 = TAG_Int(0);
-          fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB0);
-          once_value_35 = fra.me.REG[10];
+          fra.me.REG[9] = BOX_NativeString("");
+          REGB2 = TAG_Int(0);
+          fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB2);
+          once_value_35 = fra.me.REG[9];
           register_static_object(&once_value_35);
-        } else fra.me.REG[10] = once_value_35;
-        array___Array___add(fra.me.REG[9], fra.me.REG[10]);
-        array___Array___add(fra.me.REG[9], fra.me.REG[8]);
+        } else fra.me.REG[9] = once_value_35;
+        fra.me.REG[9] = fra.me.REG[9];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
         if (!once_value_36) {
-          fra.me.REG[8] = BOX_NativeString(" (*)(");
-          REGB0 = TAG_Int(5);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
-          once_value_36 = fra.me.REG[8];
+          fra.me.REG[7] = BOX_NativeString(" (*)(");
+          REGB2 = TAG_Int(5);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_36 = fra.me.REG[7];
           register_static_object(&once_value_36);
-        } else fra.me.REG[8] = once_value_36;
-        array___Array___add(fra.me.REG[9], fra.me.REG[8]);
+        } else fra.me.REG[7] = once_value_36;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
         if (!once_value_37) {
-          fra.me.REG[8] = BOX_NativeString(", ");
-          REGB0 = TAG_Int(2);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
-          once_value_37 = fra.me.REG[8];
+          fra.me.REG[7] = BOX_NativeString(", ");
+          REGB2 = TAG_Int(2);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_37 = fra.me.REG[7];
           register_static_object(&once_value_37);
-        } else fra.me.REG[8] = once_value_37;
-        fra.me.REG[8] = CALL_string___Collection___join(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
-        array___Array___add(fra.me.REG[9], fra.me.REG[8]);
+        } else fra.me.REG[7] = once_value_37;
+        fra.me.REG[7] = fra.me.REG[7];
+        fra.me.REG[7] = CALL_string___Collection___join(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[7]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
         if (!once_value_38) {
-          fra.me.REG[8] = BOX_NativeString(")");
-          REGB0 = TAG_Int(1);
-          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
-          once_value_38 = fra.me.REG[8];
+          fra.me.REG[7] = BOX_NativeString(")");
+          REGB2 = TAG_Int(1);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_38 = fra.me.REG[7];
           register_static_object(&once_value_38);
-        } else fra.me.REG[8] = once_value_38;
-        array___Array___add(fra.me.REG[9], fra.me.REG[8]);
-        fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[9])(fra.me.REG[9]);
-        CALL_abstract_collection___Map_____braeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6], fra.me.REG[9]);
+        } else fra.me.REG[7] = once_value_38;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+        CALL_abstract_collection___Map_____braeq(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4], fra.me.REG[8]);
+        /* ./../lib/standard//kernel.nit:334 */
+        REGB2 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
+        /* ./../lib/standard//kernel.nit:334 */
+        REGB0 = REGB2;
       } else {
-        /* ./compiling//compiling_icode.nit:303 */
+        /* ./../lib/standard//kernel.nit:332 */
         goto label39;
       }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
     }
     label39: while(0);
   }
-  /* ./compiling//compiling_icode.nit:319 */
+  /* ./compiling//compiling_icode.nit:333 */
   if (!once_value_40) {
-    fra.me.REG[4] = BOX_NativeString("val_t tmp;");
+    fra.me.REG[2] = BOX_NativeString("val_t tmp;");
     REGB0 = TAG_Int(10);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-    once_value_40 = fra.me.REG[4];
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_40 = fra.me.REG[2];
     register_static_object(&once_value_40);
-  } else fra.me.REG[4] = once_value_40;
-  CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___return_label(fra.me.REG[1])(fra.me.REG[1]);
-  fra.me.REG[2] = CALL_icode_base___IRoutine___body(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:323 */
-  CALL_compiling_icode___I2CCompilerVisitor___return_label__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_icode_base___IRoutine___body(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:326 */
-  CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:328 */
+  } else fra.me.REG[2] = once_value_40;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:336 */
+  fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___return_label(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:337 */
+  fra.me.REG[3] = CALL_icode_base___IRoutine___body(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___return_label__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:340 */
+  fra.me.REG[3] = CALL_icode_base___IRoutine___body(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:342 */
   if (!once_value_41) {
-    fra.me.REG[2] = BOX_NativeString("stack_frame_head = fra.me.prev;");
+    fra.me.REG[3] = BOX_NativeString("stack_frame_head = fra.me.prev;");
     REGB0 = TAG_Int(31);
-    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_41 = fra.me.REG[2];
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_41 = fra.me.REG[3];
     register_static_object(&once_value_41);
-  } else fra.me.REG[2] = once_value_41;
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:329 */
-  CALL_compiling_icode___I2CCompilerVisitor___return_label__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  } else fra.me.REG[3] = once_value_41;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:343 */
+  CALL_compiling_icode___I2CCompilerVisitor___return_label__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:344 */
   fra.me.REG[0] = CALL_icode_base___IRoutine___result(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:345 */
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:331 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
@@ -2673,67 +2751,142 @@ val_t compiling_icode___IRoutine___compile_inside_to_c(val_t p0, val_t p1, val_t
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:346 */
     fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-    /* ./compiling//compiling_icode.nit:332 */
     goto label42;
   } else {
+    /* ./compiling//compiling_icode.nit:348 */
     fra.me.REG[0] = NIT_NULL;
-    /* ./compiling//compiling_icode.nit:334 */
     goto label42;
   }
   label42: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+  void OC_compiling_icode___IRoutine___compile_inside_to_c_24(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+    val_t REGB0;
+    val_t REGB1;
+    val_t REGB2;
+    fun_t CREG[1];
+    val_t tmp;
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_compiling_icode;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_compiling_icode___IRoutine___compile_inside_to_c;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 2;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.REG[1] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./compiling//compiling_icode.nit:313 */
+    fra.me.REG[1] = CALL_allocate_iregister_slots___IRegister___slot_index(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB1 = TAG_Bool((fra.me.REG[1])==(NIT_NULL));
+        /* ./compiling//compiling_icode.nit:313 */
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(closctx->REG[1])(closctx->REG[1], fra.me.REG[0]);
+      /* ./../lib/standard//collection//array.nit:243 */
+      fra.me.REG[1] = closctx->REG[2];
+      REGB0 = closctx->REG[4];
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB1 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+        }
+        REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[1]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      } else {
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB2 = TAG_Bool(false);
+        REGB1 = REGB2;
+      }
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+      }
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[1] = ATTR_array___Array____items(fra.me.REG[1]);
+      REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[1] = ((Nit_NativeArray)fra.me.REG[1])->val[UNTAG_Int(REGB0)];
+      /* ./../lib/standard//collection//array.nit:246 */
+      goto label25;
+      label25: while(0);
+      /* ./compiling//compiling_icode.nit:313 */
+      CALL_compiling_icode___I2CCompilerVisitor___add_assignment(closctx->REG[1])(closctx->REG[1], fra.me.REG[0], fra.me.REG[1]);
+    }
+    /* ./compiling//compiling_icode.nit:314 */
+    REGB0 = TAG_Int(1);
+    /* ./../lib/standard//kernel.nit:215 */
+    REGB0 = TAG_Int(UNTAG_Int(closctx->REG[4])+UNTAG_Int(REGB0));
+    /* ./compiling//compiling_icode.nit:314 */
+    closctx->REG[4] = REGB0;
+    stack_frame_head = fra.me.prev;
+    return;
+  }
 val_t compiling_icode___IRoutine___compile_to_c(val_t p0, val_t p1, val_t p2, val_t p3){
-  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 338;
+  fra.me.line = 352;
   fra.me.meth = LOCATE_compiling_icode___IRoutine___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 5;
+  fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
-  fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  fra.me.REG[4] = CALL_compiling_base___CompilerVisitor___module(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:343 */
-  CALL_analysis___IRoutine___optimize(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:356 */
   fra.me.REG[2] = NEW_I2CCompilerVisitor_compiling_icode___I2CCompilerVisitor___init(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:357 */
   fra.me.REG[3] = CALL_compiling_icode___IRoutine___compile_inside_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2], fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:345 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[3];
 }
 void compiling_icode___ICode___compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 350;
+  fra.me.line = 362;
   fra.me.meth = LOCATE_compiling_icode___ICode___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 3;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[2] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:353 */
-  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_compiling_icode___ICode___inner_compile_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:354 */
-  CALL_compiling_icode___ICode___store_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG_size = 0;
+  /* ./compiling//compiling_icode.nit:362 */
+  nit_abort("Deferred method called", NULL, LOCATE_compiling_icode, 362);
   stack_frame_head = fra.me.prev;
   return;
 }
@@ -2744,15 +2897,16 @@ val_t compiling_icode___ICode___need_result(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 357;
+  fra.me.line = 365;
   fra.me.meth = LOCATE_compiling_icode___ICode___need_result;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./compiling//compiling_icode.nit:368 */
   fra.me.REG[0] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:369 */
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:361 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
@@ -2768,9 +2922,7 @@ val_t compiling_icode___ICode___need_result(val_t p0){
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 361);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 369);
     }
     fra.me.REG[0] = CALL_allocate_iregister_slots___IRegister___slot_index(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
@@ -2781,9 +2933,10 @@ val_t compiling_icode___ICode___need_result(val_t p0){
         REGB1 = TAG_Bool(false);
         REGB0 = REGB1;
       } else {
+        /* ./../lib/standard//kernel.nit:207 */
         REGB1 = TAG_Bool((fra.me.REG[0])==(NIT_NULL));
+        /* ./compiling//compiling_icode.nit:369 */
         REGB0 = REGB1;
-      /* ./compiling//compiling_icode.nit:361 */
       }
     }
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -2801,10 +2954,12 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
-      static val_t once_value_1; /* Once value */
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 364;
+  fra.me.line = 372;
   fra.me.meth = LOCATE_compiling_icode___ICode___store_result;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
@@ -2816,9 +2971,10 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./compiling//compiling_icode.nit:375 */
   fra.me.REG[3] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:376 */
   REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:368 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
@@ -2834,9 +2990,7 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 368);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 376);
     }
     fra.me.REG[4] = CALL_allocate_iregister_slots___IRegister___slot_index(fra.me.REG[3])(fra.me.REG[3]);
     REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
@@ -2847,9 +3001,10 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
         REGB1 = TAG_Bool(false);
         REGB0 = REGB1;
       } else {
+        /* ./../lib/standard//kernel.nit:207 */
         REGB1 = TAG_Bool((fra.me.REG[4])==(NIT_NULL));
+        /* ./compiling//compiling_icode.nit:376 */
         REGB0 = REGB1;
-      /* ./compiling//compiling_icode.nit:368 */
       }
     }
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -2858,8 +3013,8 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
     REGB0 = REGB1;
   }
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:377 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-    /* ./compiling//compiling_icode.nit:369 */
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -2874,16 +3029,38 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Assert failed");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 369);
-      nit_exit(1);
+      nit_abort("Assert failed", NULL, LOCATE_compiling_icode, 377);
     }
+    /* ./compiling//compiling_icode.nit:378 */
+    fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:379 */
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-    /* ./compiling//compiling_icode.nit:370 */
-    CALL_compiling_icode___I2CCompilerVisitor___add_assignment(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[2]);
+    CALL_compiling_writer___Writer___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:380 */
+    if (!once_value_1) {
+      fra.me.REG[3] = BOX_NativeString(" = ");
+      REGB0 = TAG_Int(3);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_1 = fra.me.REG[3];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[3] = once_value_1;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_compiling_writer___Writer___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:381 */
+    CALL_compiling_writer___Writer___append(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:382 */
+    if (!once_value_2) {
+      fra.me.REG[3] = BOX_NativeString(";\n");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_2 = fra.me.REG[3];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[3] = once_value_2;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_compiling_writer___Writer___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
   } else {
+    /* ./compiling//compiling_icode.nit:383 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-    /* ./compiling//compiling_icode.nit:371 */
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -2904,52 +3081,142 @@ void compiling_icode___ICode___store_result(val_t p0, val_t p1, val_t p2){
       REGB0 = REGB1;
     }
     if (UNTAG_Bool(REGB0)) {
-      /* ./compiling//compiling_icode.nit:374 */
-      if (!once_value_1) {
-        fra.me.REG[0] = BOX_NativeString(";");
-        REGB0 = TAG_Int(1);
-        fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-        once_value_1 = fra.me.REG[0];
-        register_static_object(&once_value_1);
-      } else fra.me.REG[0] = once_value_1;
-      REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-      if (UNTAG_Bool(REGB0)) {
-        fprintf(stderr, "Reciever is null");
-        fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 374);
-        nit_exit(1);
-      }
-      fra.me.REG[0] = CALL_string___String_____plus(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
-      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+      /* ./compiling//compiling_icode.nit:386 */
+      fra.me.REG[1] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+      /* ./compiling//compiling_icode.nit:387 */
+      CALL_compiling_writer___Writer___append(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+      /* ./compiling//compiling_icode.nit:388 */
+      if (!once_value_3) {
+        fra.me.REG[2] = BOX_NativeString(";\n");
+        REGB0 = TAG_Int(2);
+        fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+        once_value_3 = fra.me.REG[2];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[2] = once_value_3;
+      fra.me.REG[2] = fra.me.REG[2];
+      CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     }
   }
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t compiling_icode___ICode___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me;} fra;
+val_t compiling_icode___ICode___new_result(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
   val_t tmp;
+    static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 378;
-  fra.me.meth = LOCATE_compiling_icode___ICode___inner_compile_to_c;
+  fra.me.line = 392;
+  fra.me.meth = LOCATE_compiling_icode___ICode___new_result;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 0;
-  /* ./compiling//compiling_icode.nit:378 */
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 378);
-  nit_exit(1);
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:396 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    REGB1 = CALL_icode_base___ICode___is_pure(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_compiling_icode, 396);
+  }
+  /* ./compiling//compiling_icode.nit:397 */
+  fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:398 */
+  fra.me.REG[0] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:399 */
+  REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 399);
+    }
+    fra.me.REG[3] = CALL_allocate_iregister_slots___IRegister___slot_index(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB1 = TAG_Bool((fra.me.REG[3])==(NIT_NULL));
+        /* ./compiling//compiling_icode.nit:399 */
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:400 */
+    fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+    /* ./compiling//compiling_icode.nit:401 */
+    if (!once_value_1) {
+      fra.me.REG[0] = BOX_NativeString(" = ");
+      REGB0 = TAG_Int(3);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_1 = fra.me.REG[0];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[0] = once_value_1;
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  }
+  /* ./compiling//compiling_icode.nit:403 */
+  fra.me.REG[0] = CALL_compiling_writer___Writer___sub(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:404 */
+  if (!once_value_2) {
+    fra.me.REG[1] = BOX_NativeString(";\n");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+    once_value_2 = fra.me.REG[1];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[1] = once_value_2;
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:405 */
+  goto label3;
+  label3: while(0);
   stack_frame_head = fra.me.prev;
-  return NIT_NULL;
+  return fra.me.REG[0];
 }
-val_t compiling_icode___ISeq___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___ISeq___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 385;
-  fra.me.meth = LOCATE_compiling_icode___ISeq___inner_compile_to_c;
+  fra.me.line = 410;
+  fra.me.meth = LOCATE_compiling_icode___ISeq___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -2958,12 +3225,16 @@ val_t compiling_icode___ISeq___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:412 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:413 */
   fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___local_labels(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:387 */
   CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:414 */
   fra.me.REG[2] = CALL_icode_base___ISeq___iescape_mark(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:415 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:389 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -2980,32 +3251,35 @@ val_t compiling_icode___ISeq___inner_compile_to_c(val_t p0, val_t p1){
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___marks_to_seq(fra.me.REG[1])(fra.me.REG[1]);
     CALL_abstract_collection___Map_____braeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[0]);
   }
+  /* ./compiling//compiling_icode.nit:416 */
   fra.me.REG[2] = CALL_icode_base___ISeq___icodes(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_abstract_collection___Collection___iterator(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:390 */
-  while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[2])(fra.me.REG[2]);
-    if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[3] = CALL_abstract_collection___Iterator___item(fra.me.REG[2])(fra.me.REG[2]);
-      /* ./compiling//compiling_icode.nit:391 */
-      CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-    } else {
-      /* ./compiling//compiling_icode.nit:390 */
-      goto label1;
-    }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
-  }
-  label1: while(0);
-  /* ./compiling//compiling_icode.nit:393 */
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[2])(fra.me.REG[2], (&(fra.me)), ((fun_t)OC_compiling_icode___ISeq___compile_to_c_1));
+  /* ./compiling//compiling_icode.nit:419 */
   CALL_compiling_icode___I2CCompilerVisitor___add_label(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[0] = NIT_NULL;
-  /* ./compiling//compiling_icode.nit:394 */
-  goto label2;
-  label2: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return;
 }
-val_t compiling_icode___IIf___inner_compile_to_c(val_t p0, val_t p1){
+  void OC_compiling_icode___ISeq___compile_to_c_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me;} fra;
+    fun_t CREG[1];
+    val_t tmp;
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_compiling_icode;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_compiling_icode___ISeq___compile_to_c;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 1;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./compiling//compiling_icode.nit:417 */
+    CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[0])(fra.me.REG[0], closctx->REG[1]);
+    stack_frame_head = fra.me.prev;
+    return;
+  }
+void compiling_icode___IIf___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
@@ -3015,8 +3289,8 @@ val_t compiling_icode___IIf___inner_compile_to_c(val_t p0, val_t p1){
   static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 399;
-  fra.me.meth = LOCATE_compiling_icode___IIf___inner_compile_to_c;
+  fra.me.line = 424;
+  fra.me.meth = LOCATE_compiling_icode___IIf___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -3025,9 +3299,12 @@ val_t compiling_icode___IIf___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(3);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:401 */
+  /* ./compiling//compiling_icode.nit:426 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:427 */
+  fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:428 */
   if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString("if (UNTAG_Bool(");
     REGB0 = TAG_Int(15);
@@ -3035,58 +3312,61 @@ val_t compiling_icode___IIf___inner_compile_to_c(val_t p0, val_t p1){
     once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
   } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:429 */
   fra.me.REG[3] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:430 */
   if (!once_value_2) {
-    fra.me.REG[3] = BOX_NativeString(")) {");
-    REGB0 = TAG_Int(4);
+    fra.me.REG[3] = BOX_NativeString(")) {\n");
+    REGB0 = TAG_Int(5);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
     once_value_2 = fra.me.REG[3];
     register_static_object(&once_value_2);
   } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_icode_base___IIf___then_seq(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_icode_base___ISeq___icodes(fra.me.REG[2])(fra.me.REG[2]);
-  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:431 */
+  fra.me.REG[3] = CALL_icode_base___IIf___then_seq(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_icode_base___ISeq___icodes(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[3])(fra.me.REG[3]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  /* ./compiling//compiling_icode.nit:402 */
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_icode.nit:403 */
+    /* ./compiling//compiling_icode.nit:432 */
     CALL_compiling_icode___I2CCompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
-    fra.me.REG[2] = CALL_icode_base___IIf___then_seq(fra.me.REG[0])(fra.me.REG[0]);
-    /* ./compiling//compiling_icode.nit:404 */
-    CALL_compiling_icode___ICode___inner_compile_to_c(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-    /* ./compiling//compiling_icode.nit:405 */
+    /* ./compiling//compiling_icode.nit:433 */
+    fra.me.REG[3] = CALL_icode_base___IIf___then_seq(fra.me.REG[0])(fra.me.REG[0]);
+    CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:434 */
     CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
   }
-  fra.me.REG[2] = CALL_icode_base___IIf___else_seq(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_icode_base___ISeq___icodes(fra.me.REG[2])(fra.me.REG[2]);
-  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:436 */
+  fra.me.REG[3] = CALL_icode_base___IIf___else_seq(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_icode_base___ISeq___icodes(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[3])(fra.me.REG[3]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  /* ./compiling//compiling_icode.nit:407 */
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_icode.nit:408 */
+    /* ./compiling//compiling_icode.nit:437 */
     if (!once_value_3) {
-      fra.me.REG[2] = BOX_NativeString("} else {");
+      fra.me.REG[3] = BOX_NativeString("} else {");
       REGB0 = TAG_Int(8);
-      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-      once_value_3 = fra.me.REG[2];
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_3 = fra.me.REG[3];
       register_static_object(&once_value_3);
-    } else fra.me.REG[2] = once_value_3;
-    CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-    /* ./compiling//compiling_icode.nit:409 */
+    } else fra.me.REG[3] = once_value_3;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:438 */
     CALL_compiling_icode___I2CCompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:439 */
     fra.me.REG[0] = CALL_icode_base___IIf___else_seq(fra.me.REG[0])(fra.me.REG[0]);
-    /* ./compiling//compiling_icode.nit:410 */
-    CALL_compiling_icode___ICode___inner_compile_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-    /* ./compiling//compiling_icode.nit:411 */
+    CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:440 */
     CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
   }
-  /* ./compiling//compiling_icode.nit:413 */
+  /* ./compiling//compiling_icode.nit:442 */
   if (!once_value_4) {
     fra.me.REG[0] = BOX_NativeString("}");
     REGB0 = TAG_Int(1);
@@ -3094,15 +3374,12 @@ val_t compiling_icode___IIf___inner_compile_to_c(val_t p0, val_t p1){
     once_value_4 = fra.me.REG[0];
     register_static_object(&once_value_4);
   } else fra.me.REG[0] = once_value_4;
+  fra.me.REG[0] = fra.me.REG[0];
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[0] = NIT_NULL;
-  /* ./compiling//compiling_icode.nit:414 */
-  goto label5;
-  label5: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return;
 }
-val_t compiling_icode___ILoop___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___ILoop___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t REGB1;
@@ -3111,8 +3388,8 @@ val_t compiling_icode___ILoop___inner_compile_to_c(val_t p0, val_t p1){
   static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 419;
-  fra.me.meth = LOCATE_compiling_icode___ILoop___inner_compile_to_c;
+  fra.me.line = 447;
+  fra.me.meth = LOCATE_compiling_icode___ILoop___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -3121,12 +3398,16 @@ val_t compiling_icode___ILoop___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:449 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:450 */
   fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___local_labels(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:421 */
   CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:451 */
   fra.me.REG[2] = CALL_icode_base___ISeq___iescape_mark(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:452 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:423 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -3143,7 +3424,7 @@ val_t compiling_icode___ILoop___inner_compile_to_c(val_t p0, val_t p1){
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___marks_to_seq(fra.me.REG[1])(fra.me.REG[1]);
     CALL_abstract_collection___Map_____braeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[0]);
   }
-  /* ./compiling//compiling_icode.nit:424 */
+  /* ./compiling//compiling_icode.nit:453 */
   if (!once_value_1) {
     fra.me.REG[2] = BOX_NativeString("while(1) {");
     REGB0 = TAG_Int(10);
@@ -3151,28 +3432,16 @@ val_t compiling_icode___ILoop___inner_compile_to_c(val_t p0, val_t p1){
     once_value_1 = fra.me.REG[2];
     register_static_object(&once_value_1);
   } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:425 */
+  /* ./compiling//compiling_icode.nit:454 */
   CALL_compiling_icode___I2CCompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:455 */
   fra.me.REG[2] = CALL_icode_base___ISeq___icodes(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_abstract_collection___Collection___iterator(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:426 */
-  while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[2])(fra.me.REG[2]);
-    if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[3] = CALL_abstract_collection___Iterator___item(fra.me.REG[2])(fra.me.REG[2]);
-      /* ./compiling//compiling_icode.nit:427 */
-      CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-    } else {
-      /* ./compiling//compiling_icode.nit:426 */
-      goto label2;
-    }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
-  }
-  label2: while(0);
-  /* ./compiling//compiling_icode.nit:429 */
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[2])(fra.me.REG[2], (&(fra.me)), ((fun_t)OC_compiling_icode___ILoop___compile_to_c_2));
+  /* ./compiling//compiling_icode.nit:458 */
   CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:430 */
+  /* ./compiling//compiling_icode.nit:459 */
   if (!once_value_3) {
     fra.me.REG[2] = BOX_NativeString("}");
     REGB0 = TAG_Int(1);
@@ -3180,23 +3449,40 @@ val_t compiling_icode___ILoop___inner_compile_to_c(val_t p0, val_t p1){
     once_value_3 = fra.me.REG[2];
     register_static_object(&once_value_3);
   } else fra.me.REG[2] = once_value_3;
+  fra.me.REG[2] = fra.me.REG[2];
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:431 */
+  /* ./compiling//compiling_icode.nit:460 */
   CALL_compiling_icode___I2CCompilerVisitor___add_label(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[0] = NIT_NULL;
-  /* ./compiling//compiling_icode.nit:432 */
-  goto label4;
-  label4: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return;
 }
-val_t compiling_icode___IEscape___inner_compile_to_c(val_t p0, val_t p1){
+  void OC_compiling_icode___ILoop___compile_to_c_2(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me;} fra;
+    fun_t CREG[1];
+    val_t tmp;
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_compiling_icode;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_compiling_icode___ILoop___compile_to_c;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 1;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./compiling//compiling_icode.nit:456 */
+    CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[0])(fra.me.REG[0], closctx->REG[1]);
+    stack_frame_head = fra.me.prev;
+    return;
+  }
+void compiling_icode___IEscape___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 437;
-  fra.me.meth = LOCATE_compiling_icode___IEscape___inner_compile_to_c;
+  fra.me.line = 465;
+  fra.me.meth = LOCATE_compiling_icode___IEscape___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
@@ -3204,17 +3490,16 @@ val_t compiling_icode___IEscape___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:467 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:468 */
   fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___marks_to_seq(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[0] = CALL_icode_base___IEscape___iescape_mark(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:439 */
   CALL_compiling_icode___I2CCompilerVisitor___add_goto(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[0] = NIT_NULL;
-  /* ./compiling//compiling_icode.nit:440 */
-  goto label1;
-  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return;
 }
 void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
@@ -3223,22 +3508,24 @@ void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
   val_t tmp;
       static val_t once_value_1; /* Once value */
       static val_t once_value_2; /* Once value */
-          static val_t once_value_3; /* Once value */
         static val_t once_value_5; /* Once value */
         static val_t once_value_6; /* Once value */
-      static val_t once_value_7; /* Once value */
-      static val_t once_value_8; /* Once value */
-      static val_t once_value_9; /* Once value */
-            static val_t once_value_10; /* Once value */
-            static val_t once_value_11; /* Once value */
-            static val_t once_value_12; /* Once value */
+        static val_t once_value_7; /* Once value */
+        static val_t once_value_8; /* Once value */
+        static val_t once_value_9; /* Once value */
+      static val_t once_value_10; /* Once value */
+      static val_t once_value_11; /* Once value */
+      static val_t once_value_12; /* Once value */
             static val_t once_value_13; /* Once value */
-        static val_t once_value_15; /* Once value */
-        static val_t once_value_16; /* Once value */
-      static val_t once_value_17; /* Once value */
+            static val_t once_value_14; /* Once value */
+            static val_t once_value_15; /* Once value */
+            static val_t once_value_16; /* Once value */
+        static val_t once_value_18; /* Once value */
+        static val_t once_value_19; /* Once value */
+      static val_t once_value_20; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 445;
+  fra.me.line = 473;
   fra.me.meth = LOCATE_compiling_icode___IAbsCall___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 9;
@@ -3253,16 +3540,20 @@ void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
   fra.me.REG[8] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:475 */
   fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:447 */
   CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:476 */
   fra.me.REG[2] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___registers(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:479 */
   fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___escaped_labels(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:480 */
   fra.me.REG[4] = CALL_icode_base___ICodeN___closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:481 */
   fra.me.REG[5] = NIT_NULL;
+  /* ./compiling//compiling_icode.nit:482 */
   REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:454 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
@@ -3276,10 +3567,10 @@ void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:484 */
     REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[1])(fra.me.REG[1]);
-    /* ./compiling//compiling_icode.nit:456 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./compiling//compiling_icode.nit:457 */
+      /* ./compiling//compiling_icode.nit:485 */
       if (!once_value_1) {
         fra.me.REG[6] = BOX_NativeString("closctx");
         REGB0 = TAG_Int(7);
@@ -3287,9 +3578,10 @@ void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
         once_value_1 = fra.me.REG[6];
         register_static_object(&once_value_1);
       } else fra.me.REG[6] = once_value_1;
+      fra.me.REG[6] = fra.me.REG[6];
       fra.me.REG[5] = fra.me.REG[6];
     } else {
-      /* ./compiling//compiling_icode.nit:459 */
+      /* ./compiling//compiling_icode.nit:487 */
       if (!once_value_2) {
         fra.me.REG[6] = BOX_NativeString("(&(fra.me))");
         REGB0 = TAG_Int(11);
@@ -3297,67 +3589,27 @@ void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
         once_value_2 = fra.me.REG[6];
         register_static_object(&once_value_2);
       } else fra.me.REG[6] = once_value_2;
+      fra.me.REG[6] = fra.me.REG[6];
       fra.me.REG[5] = fra.me.REG[6];
     }
-    /* ./compiling//compiling_icode.nit:463 */
-    array___Array___add(fra.me.REG[2], fra.me.REG[5]);
+    /* ./compiling//compiling_icode.nit:491 */
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+    /* ./compiling//compiling_icode.nit:494 */
     fra.me.REG[6] = NEW_HashMap_hash_collection___HashMap___init();
-    /* ./compiling//compiling_icode.nit:466 */
     CALL_compiling_icode___I2CCompilerVisitor___escaped_labels__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
-    fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[4])(fra.me.REG[4]);
-    /* ./compiling//compiling_icode.nit:469 */
-    while(1) {
-      REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-      if (UNTAG_Bool(REGB0)) {
-        fra.me.REG[6] = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-        REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-        /* ./compiling//compiling_icode.nit:470 */
-        if (UNTAG_Bool(REGB0)) {
-        } else {
-          REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-          if (UNTAG_Bool(REGB1)) {
-            REGB1 = TAG_Bool(false);
-            REGB0 = REGB1;
-          } else {
-            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
-            REGB0 = REGB1;
-          }
-        }
-        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-        if (UNTAG_Bool(REGB0)) {
-          REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-          /* ./compiling//compiling_icode.nit:471 */
-          if (UNTAG_Bool(REGB0)) {
-            fprintf(stderr, "Reciever is null");
-            fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 471);
-            nit_exit(1);
-          }
-          fra.me.REG[6] = CALL_compiling_icode___IClosureDef___compile_closure(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[1]);
-          /* ./compiling//compiling_icode.nit:472 */
-          array___Array___add(fra.me.REG[2], fra.me.REG[6]);
-        } else {
-          /* ./compiling//compiling_icode.nit:474 */
-          if (!once_value_3) {
-            fra.me.REG[6] = BOX_NativeString("NULL");
-            REGB0 = TAG_Int(4);
-            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-            once_value_3 = fra.me.REG[6];
-            register_static_object(&once_value_3);
-          } else fra.me.REG[6] = once_value_3;
-          array___Array___add(fra.me.REG[2], fra.me.REG[6]);
-        }
-      } else {
-        /* ./compiling//compiling_icode.nit:469 */
-        goto label4;
-      }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
+    /* ./compiling//compiling_icode.nit:497 */
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 497);
     }
-    label4: while(0);
+    CALL_abstract_collection___Collection___iterate(fra.me.REG[4])(fra.me.REG[4], (&(fra.me)), ((fun_t)OC_compiling_icode___IAbsCall___compile_to_c_3));
   }
+  /* ./compiling//compiling_icode.nit:508 */
   fra.me.REG[2] = CALL_compiling_icode___IAbsCall___compile_call_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:509 */
   fra.me.REG[4] = fra.me.REG[2];
+  /* ./compiling//compiling_icode.nit:512 */
   REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:484 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
@@ -3371,497 +3623,458 @@ void compiling_icode___IAbsCall___compile_to_c(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:513 */
     fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___escaped_labels(fra.me.REG[1])(fra.me.REG[1]);
-    /* ./compiling//compiling_icode.nit:486 */
+    /* ./compiling//compiling_icode.nit:514 */
     CALL_compiling_icode___I2CCompilerVisitor___escaped_labels__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:516 */
     REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[6])(fra.me.REG[6]);
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-    /* ./compiling//compiling_icode.nit:488 */
     if (UNTAG_Bool(REGB0)) {
+      /* ./compiling//compiling_icode.nit:518 */
+      fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+      /* ./compiling//compiling_icode.nit:519 */
       REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
-      /* ./compiling//compiling_icode.nit:490 */
       if (UNTAG_Bool(REGB0)) {
-        /* ./compiling//compiling_icode.nit:491 */
+        /* ./compiling//compiling_icode.nit:520 */
         if (!once_value_5) {
-          fra.me.REG[3] = BOX_NativeString("tmp");
+          fra.me.REG[7] = BOX_NativeString("tmp");
           REGB0 = TAG_Int(3);
-          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-          once_value_5 = fra.me.REG[3];
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+          once_value_5 = fra.me.REG[7];
           register_static_object(&once_value_5);
-        } else fra.me.REG[3] = once_value_5;
-        fra.me.REG[4] = fra.me.REG[3];
-        /* ./compiling//compiling_icode.nit:492 */
-        CALL_compiling_icode___I2CCompilerVisitor___add_assignment(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4], fra.me.REG[2]);
-      } else {
-        fra.me.REG[4] = NIT_NULL;
-        /* ./compiling//compiling_icode.nit:495 */
+        } else fra.me.REG[7] = once_value_5;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
+        /* ./compiling//compiling_icode.nit:521 */
         if (!once_value_6) {
-          fra.me.REG[3] = BOX_NativeString(";");
-          REGB0 = TAG_Int(1);
-          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-          once_value_6 = fra.me.REG[3];
+          fra.me.REG[7] = BOX_NativeString(" = ");
+          REGB0 = TAG_Int(3);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+          once_value_6 = fra.me.REG[7];
           register_static_object(&once_value_6);
-        } else fra.me.REG[3] = once_value_6;
-        fra.me.REG[3] = CALL_string___String_____plus(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
-        CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+        } else fra.me.REG[7] = once_value_6;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
+        /* ./compiling//compiling_icode.nit:522 */
+        CALL_compiling_writer___Writer___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+        /* ./compiling//compiling_icode.nit:523 */
+        if (!once_value_7) {
+          fra.me.REG[7] = BOX_NativeString(";\n");
+          REGB0 = TAG_Int(2);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+          once_value_7 = fra.me.REG[7];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[7] = once_value_7;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
+        /* ./compiling//compiling_icode.nit:524 */
+        fra.me.REG[7] = NEW_Writer_compiling_writer___Writer___init();
+        fra.me.REG[4] = fra.me.REG[7];
+        /* ./compiling//compiling_icode.nit:525 */
+        if (!once_value_8) {
+          fra.me.REG[7] = BOX_NativeString("tmp");
+          REGB0 = TAG_Int(3);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+          once_value_8 = fra.me.REG[7];
+          register_static_object(&once_value_8);
+        } else fra.me.REG[7] = once_value_8;
+        fra.me.REG[7] = fra.me.REG[7];
+        REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+          nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 525);
+        }
+        CALL_compiling_writer___Writer___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[7]);
+      } else {
+        /* ./compiling//compiling_icode.nit:527 */
+        fra.me.REG[4] = NIT_NULL;
+        /* ./compiling//compiling_icode.nit:528 */
+        CALL_compiling_writer___Writer___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+        /* ./compiling//compiling_icode.nit:529 */
+        if (!once_value_9) {
+          fra.me.REG[2] = BOX_NativeString(";\n");
+          REGB0 = TAG_Int(2);
+          fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+          once_value_9 = fra.me.REG[2];
+          register_static_object(&once_value_9);
+        } else fra.me.REG[2] = once_value_9;
+        fra.me.REG[2] = fra.me.REG[2];
+        CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
       }
-      REGB0 = TAG_Int(3);
-      fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-      /* ./compiling//compiling_icode.nit:498 */
-      if (!once_value_7) {
-        fra.me.REG[2] = BOX_NativeString("switch (");
+      /* ./compiling//compiling_icode.nit:532 */
+      fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+      if (!once_value_10) {
+        fra.me.REG[3] = BOX_NativeString("switch (");
         REGB0 = TAG_Int(8);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_10 = fra.me.REG[3];
+        register_static_object(&once_value_10);
+      } else fra.me.REG[3] = once_value_10;
+      fra.me.REG[3] = fra.me.REG[3];
+      fra.me.REG[3] = CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      fra.me.REG[3] = CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+      if (!once_value_11) {
+        fra.me.REG[2] = BOX_NativeString("->has_broke) {\n");
+        REGB0 = TAG_Int(15);
         fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-        once_value_7 = fra.me.REG[2];
-        register_static_object(&once_value_7);
-      } else fra.me.REG[2] = once_value_7;
-      array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-      array___Array___add(fra.me.REG[3], fra.me.REG[5]);
-      if (!once_value_8) {
-        fra.me.REG[2] = BOX_NativeString("->has_broke) {");
-        REGB0 = TAG_Int(14);
-        fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-        once_value_8 = fra.me.REG[2];
-        register_static_object(&once_value_8);
-      } else fra.me.REG[2] = once_value_8;
-      array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-      /* ./compiling//compiling_icode.nit:499 */
+        once_value_11 = fra.me.REG[2];
+        register_static_object(&once_value_11);
+      } else fra.me.REG[2] = once_value_11;
+      fra.me.REG[2] = fra.me.REG[2];
+      CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+      /* ./compiling//compiling_icode.nit:533 */
       CALL_compiling_icode___I2CCompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
-      /* ./compiling//compiling_icode.nit:501 */
-      if (!once_value_9) {
-        fra.me.REG[3] = BOX_NativeString("case 0: break;");
+      /* ./compiling//compiling_icode.nit:535 */
+      if (!once_value_12) {
+        fra.me.REG[2] = BOX_NativeString("case 0: break;");
         REGB0 = TAG_Int(14);
-        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-        once_value_9 = fra.me.REG[3];
-        register_static_object(&once_value_9);
-      } else fra.me.REG[3] = once_value_9;
-      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-      fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___local_labels(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+        once_value_12 = fra.me.REG[2];
+        register_static_object(&once_value_12);
+      } else fra.me.REG[2] = once_value_12;
+      fra.me.REG[2] = fra.me.REG[2];
+      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+      /* ./compiling//compiling_icode.nit:536 */
+      fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___local_labels(fra.me.REG[1])(fra.me.REG[1]);
+      /* ./compiling//compiling_icode.nit:537 */
       fra.me.REG[6] = CALL_abstract_collection___Collection___iterator(fra.me.REG[6])(fra.me.REG[6]);
+      /* ./compiling//compiling_icode.nit:538 */
       REGB0 = TAG_Bool(false);
-      /* ./compiling//compiling_icode.nit:505 */
+      /* ./compiling//compiling_icode.nit:539 */
       while(1) {
         REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[6])(fra.me.REG[6]);
         if (UNTAG_Bool(REGB1)) {
-          fra.me.REG[2] = CALL_abstract_collection___MapIterator___key(fra.me.REG[6])(fra.me.REG[6]);
-          REGB1 = CALL_abstract_collection___Collection___has(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
-          /* ./compiling//compiling_icode.nit:507 */
+          /* ./compiling//compiling_icode.nit:540 */
+          fra.me.REG[3] = CALL_abstract_collection___MapIterator___key(fra.me.REG[6])(fra.me.REG[6]);
+          /* ./compiling//compiling_icode.nit:541 */
+          REGB1 = CALL_abstract_collection___Collection___has(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
           if (UNTAG_Bool(REGB1)) {
-            REGB1 = TAG_Int(7);
-            fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB1);
-            /* ./compiling//compiling_icode.nit:510 */
-            if (!once_value_10) {
+            /* ./compiling//compiling_icode.nit:544 */
+            fra.me.REG[7] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+            if (!once_value_13) {
               fra.me.REG[8] = BOX_NativeString("case ");
               REGB1 = TAG_Int(5);
               fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
-              once_value_10 = fra.me.REG[8];
-              register_static_object(&once_value_10);
-            } else fra.me.REG[8] = once_value_10;
-            array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-            fra.me.REG[8] = CALL_abstract_collection___Iterator___item(fra.me.REG[6])(fra.me.REG[6]);
-            fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
-            array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-            if (!once_value_11) {
-              fra.me.REG[8] = BOX_NativeString(": ");
-              REGB1 = TAG_Int(2);
-              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
-              once_value_11 = fra.me.REG[8];
-              register_static_object(&once_value_11);
-            } else fra.me.REG[8] = once_value_11;
-            array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-            array___Array___add(fra.me.REG[7], fra.me.REG[5]);
-            if (!once_value_12) {
-              fra.me.REG[8] = BOX_NativeString("->has_broke = 0; goto ");
-              REGB1 = TAG_Int(22);
-              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
-              once_value_12 = fra.me.REG[8];
-              register_static_object(&once_value_12);
-            } else fra.me.REG[8] = once_value_12;
-            array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-            fra.me.REG[8] = CALL_compiling_icode___I2CCompilerVisitor___lab(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-            array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-            if (!once_value_13) {
-              fra.me.REG[8] = BOX_NativeString(";");
-              REGB1 = TAG_Int(1);
-              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
               once_value_13 = fra.me.REG[8];
               register_static_object(&once_value_13);
             } else fra.me.REG[8] = once_value_13;
-            array___Array___add(fra.me.REG[7], fra.me.REG[8]);
-            fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
-            CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[7]);
-          } else {
-            REGB1 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[1])(fra.me.REG[1]);
-            /* ./compiling//compiling_icode.nit:513 */
+            fra.me.REG[8] = fra.me.REG[8];
+            fra.me.REG[8] = CALL_compiling_writer___Writer___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            fra.me.REG[7] = CALL_abstract_collection___Iterator___item(fra.me.REG[6])(fra.me.REG[6]);
+            REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
             if (UNTAG_Bool(REGB1)) {
-            } else {
-              fprintf(stderr, "Assert failed");
-              fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 513);
-              nit_exit(1);
+              nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 544);
             }
-            /* ./compiling//compiling_icode.nit:514 */
-            CALL_compiling_icode___I2CCompilerVisitor___register_escape_label(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-            REGB1 = TAG_Bool(true);
+            fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+            fra.me.REG[7] = CALL_compiling_writer___Writer___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+            if (!once_value_14) {
+              fra.me.REG[8] = BOX_NativeString(": ");
+              REGB1 = TAG_Int(2);
+              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+              once_value_14 = fra.me.REG[8];
+              register_static_object(&once_value_14);
+            } else fra.me.REG[8] = once_value_14;
+            fra.me.REG[8] = fra.me.REG[8];
+            fra.me.REG[8] = CALL_compiling_writer___Writer___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            fra.me.REG[8] = CALL_compiling_writer___Writer___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[5]);
+            if (!once_value_15) {
+              fra.me.REG[7] = BOX_NativeString("->has_broke = 0; goto ");
+              REGB1 = TAG_Int(22);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_15 = fra.me.REG[7];
+              register_static_object(&once_value_15);
+            } else fra.me.REG[7] = once_value_15;
+            fra.me.REG[7] = fra.me.REG[7];
+            fra.me.REG[7] = CALL_compiling_writer___Writer___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+            fra.me.REG[8] = CALL_compiling_icode___I2CCompilerVisitor___lab(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+            fra.me.REG[8] = CALL_compiling_writer___Writer___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            if (!once_value_16) {
+              fra.me.REG[7] = BOX_NativeString(";\n");
+              REGB1 = TAG_Int(2);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_16 = fra.me.REG[7];
+              register_static_object(&once_value_16);
+            } else fra.me.REG[7] = once_value_16;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_compiling_writer___Writer___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+          } else {
+            /* ./compiling//compiling_icode.nit:547 */
+            REGB1 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[1])(fra.me.REG[1]);
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              nit_abort("Assert failed", NULL, LOCATE_compiling_icode, 547);
+            }
+            /* ./compiling//compiling_icode.nit:548 */
+            CALL_compiling_icode___I2CCompilerVisitor___register_escape_label(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+            /* ./compiling//compiling_icode.nit:549 */
+            REGB1 = TAG_Bool(true);
             REGB0 = REGB1;
-          /* ./compiling//compiling_icode.nit:515 */
           }
-          /* ./compiling//compiling_icode.nit:517 */
+          /* ./compiling//compiling_icode.nit:551 */
           CALL_abstract_collection___Iterator___next(fra.me.REG[6])(fra.me.REG[6]);
         } else {
-          /* ./compiling//compiling_icode.nit:505 */
-          goto label14;
+          /* ./compiling//compiling_icode.nit:539 */
+          goto label17;
         }
       }
-      label14: while(0);
-      /* ./compiling//compiling_icode.nit:520 */
+      label17: while(0);
+      /* ./compiling//compiling_icode.nit:554 */
       if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Int(3);
-        fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:523 */
-        if (!once_value_15) {
+        /* ./compiling//compiling_icode.nit:557 */
+        fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+        if (!once_value_18) {
           fra.me.REG[5] = BOX_NativeString("default: goto ");
           REGB0 = TAG_Int(14);
           fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-          once_value_15 = fra.me.REG[5];
-          register_static_object(&once_value_15);
-        } else fra.me.REG[5] = once_value_15;
-        array___Array___add(fra.me.REG[6], fra.me.REG[5]);
-        fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___return_label(fra.me.REG[1])(fra.me.REG[1]);
-        REGB0 = TAG_Bool(fra.me.REG[5]!=NIT_NULL);
+          once_value_18 = fra.me.REG[5];
+          register_static_object(&once_value_18);
+        } else fra.me.REG[5] = once_value_18;
+        fra.me.REG[5] = fra.me.REG[5];
+        fra.me.REG[5] = CALL_compiling_writer___Writer___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+        fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___return_label(fra.me.REG[1])(fra.me.REG[1]);
+        REGB0 = TAG_Bool(fra.me.REG[6]!=NIT_NULL);
         if (UNTAG_Bool(REGB0)) {
         } else {
-          fprintf(stderr, "Cast failed");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 523);
-          nit_exit(1);
+          nit_abort("Cast failed", NULL, LOCATE_compiling_icode, 557);
         }
-        fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___lab(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-        array___Array___add(fra.me.REG[6], fra.me.REG[5]);
-        if (!once_value_16) {
-          fra.me.REG[5] = BOX_NativeString(";");
-          REGB0 = TAG_Int(1);
+        fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___lab(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
+        fra.me.REG[6] = CALL_compiling_writer___Writer___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+        if (!once_value_19) {
+          fra.me.REG[5] = BOX_NativeString(";\n");
+          REGB0 = TAG_Int(2);
           fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-          once_value_16 = fra.me.REG[5];
-          register_static_object(&once_value_16);
-        } else fra.me.REG[5] = once_value_16;
-        array___Array___add(fra.me.REG[6], fra.me.REG[5]);
-        fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
-        CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
+          once_value_19 = fra.me.REG[5];
+          register_static_object(&once_value_19);
+        } else fra.me.REG[5] = once_value_19;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_compiling_writer___Writer___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
       }
-      /* ./compiling//compiling_icode.nit:525 */
+      /* ./compiling//compiling_icode.nit:559 */
       CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
-      /* ./compiling//compiling_icode.nit:526 */
-      if (!once_value_17) {
-        fra.me.REG[6] = BOX_NativeString("}");
+      /* ./compiling//compiling_icode.nit:560 */
+      if (!once_value_20) {
+        fra.me.REG[5] = BOX_NativeString("}");
         REGB0 = TAG_Int(1);
-        fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-        once_value_17 = fra.me.REG[6];
-        register_static_object(&once_value_17);
-      } else fra.me.REG[6] = once_value_17;
-      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_20 = fra.me.REG[5];
+        register_static_object(&once_value_20);
+      } else fra.me.REG[5] = once_value_20;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+    }
+  }
+  /* ./compiling//compiling_icode.nit:564 */
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
     }
   }
-  /* ./compiling//compiling_icode.nit:530 */
-  CALL_compiling_icode___ICode___store_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:565 */
+    fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./compiling//compiling_icode.nit:566 */
+    CALL_compiling_writer___Writer___append(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  }
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t compiling_icode___IAbsCall___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 533;
-  fra.me.meth = LOCATE_compiling_icode___IAbsCall___inner_compile_to_c;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  /* ./compiling//compiling_icode.nit:533 */
-  fprintf(stderr, "Aborted");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 533);
-  nit_exit(1);
-  stack_frame_head = fra.me.prev;
-  return NIT_NULL;
-}
+    void OC_compiling_icode___IAbsCall___compile_to_c_3(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+      struct {struct stack_frame_t me;} fra;
+      val_t REGB0;
+      val_t REGB1;
+      fun_t CREG[1];
+      val_t tmp;
+        static val_t once_value_4; /* Once value */
+      fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+      fra.me.file = LOCATE_compiling_icode;
+      fra.me.line = 0;
+      fra.me.meth = LOCATE_compiling_icode___IAbsCall___compile_to_c;
+      fra.me.has_broke = 0;
+      fra.me.REG_size = 1;
+      fra.me.REG[0] = NIT_NULL;
+      fra.me.closure_ctx = closctx_param;
+      fra.me.closure_funs = CREG;
+      fra.me.REG[0] = p0;
+      CREG[0] = clos_fun0;
+      /* ./compiling//compiling_icode.nit:498 */
+      REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        /* ./compiling//compiling_icode.nit:499 */
+        REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+          nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 499);
+        }
+        fra.me.REG[0] = CALL_compiling_icode___IClosureDef___compile_closure(fra.me.REG[0])(fra.me.REG[0], closctx->REG[1]);
+        /* ./compiling//compiling_icode.nit:500 */
+        CALL_abstract_collection___SimpleCollection___add(closctx->REG[2])(closctx->REG[2], fra.me.REG[0]);
+      } else {
+        /* ./compiling//compiling_icode.nit:502 */
+        if (!once_value_4) {
+          fra.me.REG[0] = BOX_NativeString("NULL");
+          REGB0 = TAG_Int(4);
+          fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+          once_value_4 = fra.me.REG[0];
+          register_static_object(&once_value_4);
+        } else fra.me.REG[0] = once_value_4;
+        fra.me.REG[0] = fra.me.REG[0];
+        CALL_abstract_collection___SimpleCollection___add(closctx->REG[2])(closctx->REG[2], fra.me.REG[0]);
+      }
+      stack_frame_head = fra.me.prev;
+      return;
+    }
 val_t compiling_icode___IAbsCall___compile_call_to_c(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 535;
+  fra.me.line = 570;
   fra.me.meth = LOCATE_compiling_icode___IAbsCall___compile_call_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./compiling//compiling_icode.nit:535 */
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 535);
-  nit_exit(1);
+  /* ./compiling//compiling_icode.nit:570 */
+  nit_abort("Deferred method called", NULL, LOCATE_compiling_icode, 570);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
 val_t compiling_icode___ICall___compile_call_to_c(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
   val_t tmp;
     static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
-    static val_t once_value_3; /* Once value */
-    static val_t once_value_4; /* Once value */
-      static val_t once_value_5; /* Once value */
-    static val_t once_value_6; /* Once value */
-    static val_t once_value_7; /* Once value */
-    static val_t once_value_8; /* Once value */
-    static val_t once_value_9; /* Once value */
-    static val_t once_value_11; /* Once value */
-    static val_t once_value_12; /* Once value */
-    static val_t once_value_14; /* Once value */
-    static val_t once_value_15; /* Once value */
-    static val_t once_value_16; /* Once value */
+  static val_t once_value_3; /* Once value */
+  static val_t once_value_4; /* Once value */
+  static val_t once_value_5; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 540;
+  fra.me.line = 575;
   fra.me.meth = LOCATE_compiling_icode___ICall___compile_call_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 5;
+  fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
-  fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./compiling//compiling_icode.nit:577 */
+  fra.me.REG[1] = NEW_Writer_compiling_writer___Writer___init();
+  /* ./compiling//compiling_icode.nit:578 */
   fra.me.REG[0] = CALL_icode_base___IAbsCall___property(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[1] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:543 */
+  /* ./compiling//compiling_icode.nit:579 */
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[3])(fra.me.REG[3]);
   if (UNTAG_Bool(REGB0)) {
     if (!once_value_1) {
-      fra.me.REG[1] = BOX_NativeString("init_table");
+      fra.me.REG[3] = BOX_NativeString("init_table");
       REGB0 = TAG_Int(10);
-      fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
-      once_value_1 = fra.me.REG[1];
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_1 = fra.me.REG[3];
       register_static_object(&once_value_1);
-    } else fra.me.REG[1] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+    } else fra.me.REG[3] = once_value_1;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   }
-  fra.me.REG[1] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:544 */
+  /* ./compiling//compiling_icode.nit:580 */
+  fra.me.REG[0] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling_base___MMGlobalProperty___meth_call(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:581 */
   if (!once_value_2) {
-    if (!once_value_3) {
-      fra.me.REG[3] = BOX_NativeString("add");
-      REGB0 = TAG_Int(3);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_3 = fra.me.REG[3];
-      register_static_object(&once_value_3);
-    } else fra.me.REG[3] = once_value_3;
-    fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
-    once_value_2 = fra.me.REG[3];
+    fra.me.REG[0] = BOX_NativeString("(");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
     register_static_object(&once_value_2);
-  } else fra.me.REG[3] = once_value_2;
-  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[3]));
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-    REGB0 = REGB1;
-  }
-  if (UNTAG_Bool(REGB0)) {
-    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___name(fra.me.REG[3])(fra.me.REG[3]);
-    if (!once_value_4) {
-      if (!once_value_5) {
-        fra.me.REG[1] = BOX_NativeString("Array");
-        REGB0 = TAG_Int(5);
-        fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
-        once_value_5 = fra.me.REG[1];
-        register_static_object(&once_value_5);
-      } else fra.me.REG[1] = once_value_5;
-      fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
-      once_value_4 = fra.me.REG[1];
-      register_static_object(&once_value_4);
-    } else fra.me.REG[1] = once_value_4;
-    REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[1]));
-    if (UNTAG_Bool(REGB0)) {
-    } else {
-      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-      REGB0 = REGB1;
-    }
-  } else {
-    REGB1 = TAG_Bool(false);
-    REGB0 = REGB1;
-  }
-  if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Int(5);
-    fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:545 */
-    if (!once_value_6) {
-      fra.me.REG[3] = BOX_NativeString("");
-      REGB0 = TAG_Int(0);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_6 = fra.me.REG[3];
-      register_static_object(&once_value_6);
-    } else fra.me.REG[3] = once_value_6;
-    array___Array___add(fra.me.REG[1], fra.me.REG[3]);
-    fra.me.REG[3] = CALL_compiling_base___MMLocalProperty___cname(fra.me.REG[0])(fra.me.REG[0]);
-    array___Array___add(fra.me.REG[1], fra.me.REG[3]);
-    if (!once_value_7) {
-      fra.me.REG[3] = BOX_NativeString("(");
-      REGB0 = TAG_Int(1);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_7 = fra.me.REG[3];
-      register_static_object(&once_value_7);
-    } else fra.me.REG[3] = once_value_7;
-    array___Array___add(fra.me.REG[1], fra.me.REG[3]);
-    if (!once_value_8) {
-      fra.me.REG[3] = BOX_NativeString(", ");
-      REGB0 = TAG_Int(2);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_8 = fra.me.REG[3];
-      register_static_object(&once_value_8);
-    } else fra.me.REG[3] = once_value_8;
-    fra.me.REG[3] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
-    array___Array___add(fra.me.REG[1], fra.me.REG[3]);
-    if (!once_value_9) {
-      fra.me.REG[3] = BOX_NativeString(")");
-      REGB0 = TAG_Int(1);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_9 = fra.me.REG[3];
-      register_static_object(&once_value_9);
-    } else fra.me.REG[3] = once_value_9;
-    array___Array___add(fra.me.REG[1], fra.me.REG[3]);
-    fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-    goto label10;
-  } else {
-    REGB0 = TAG_Int(7);
-    fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:547 */
-    if (!once_value_11) {
-      fra.me.REG[4] = BOX_NativeString("");
-      REGB0 = TAG_Int(0);
-      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-      once_value_11 = fra.me.REG[4];
-      register_static_object(&once_value_11);
-    } else fra.me.REG[4] = once_value_11;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-    fra.me.REG[0] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[0] = CALL_compiling_base___MMGlobalProperty___meth_call(fra.me.REG[0])(fra.me.REG[0]);
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-    if (!once_value_12) {
-      fra.me.REG[0] = BOX_NativeString("(");
-      REGB0 = TAG_Int(1);
-      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-      once_value_12 = fra.me.REG[0];
-      register_static_object(&once_value_12);
-    } else fra.me.REG[0] = once_value_12;
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-    REGB0 = TAG_Int(0);
-    fra.me.REG[0] = fra.me.REG[2];
-    REGB1 = TAG_Int(0);
-    REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
-    /* ./../lib/standard//collection//array.nit:233 */
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
-      if (UNTAG_Bool(REGB1)) {
-      } else {
-        fprintf(stderr, "Uninitialized attribute %s", "_length");
-        fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-        nit_exit(1);
-      }
-      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
-      REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-    /* ./../lib/standard//collection//array.nit:233 */
-    } else {
-      REGB2 = TAG_Bool(false);
-      REGB1 = REGB2;
-    }
-    if (UNTAG_Bool(REGB1)) {
-    } else {
-      fprintf(stderr, "Assert %s  failed", "'index'");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-      nit_exit(1);
-    }
-    fra.me.REG[0] = ATTR_array___Array____items(fra.me.REG[0]);
-    REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-    /* ./../lib/standard//collection//array.nit:234 */
-    if (UNTAG_Bool(REGB1)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_array, 234);
-      nit_exit(1);
-    }
-    fra.me.REG[0] = ((Nit_NativeArray)fra.me.REG[0])->val[UNTAG_Int(REGB0)];
-    /* ./../lib/standard//collection//array.nit:234 */
-    goto label13;
-    label13: while(0);
-    /* ./compiling//compiling_icode.nit:547 */
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-    if (!once_value_14) {
-      fra.me.REG[0] = BOX_NativeString(")(");
-      REGB0 = TAG_Int(2);
-      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-      once_value_14 = fra.me.REG[0];
-      register_static_object(&once_value_14);
-    } else fra.me.REG[0] = once_value_14;
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-    if (!once_value_15) {
-      fra.me.REG[0] = BOX_NativeString(", ");
-      REGB0 = TAG_Int(2);
-      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-      once_value_15 = fra.me.REG[0];
-      register_static_object(&once_value_15);
-    } else fra.me.REG[0] = once_value_15;
-    fra.me.REG[0] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-    if (!once_value_16) {
-      fra.me.REG[0] = BOX_NativeString(")");
-      REGB0 = TAG_Int(1);
-      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-      once_value_16 = fra.me.REG[0];
-      register_static_object(&once_value_16);
-    } else fra.me.REG[0] = once_value_16;
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-    fra.me.REG[1] = fra.me.REG[3];
-    goto label10;
-  }
-  label10: while(0);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:582 */
+  fra.me.REG[0] = CALL_abstract_collection___Collection___first(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:583 */
+  if (!once_value_3) {
+    fra.me.REG[0] = BOX_NativeString(")(");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_3 = fra.me.REG[0];
+    register_static_object(&once_value_3);
+  } else fra.me.REG[0] = once_value_3;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:584 */
+  if (!once_value_4) {
+    fra.me.REG[0] = BOX_NativeString(", ");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_4 = fra.me.REG[0];
+    register_static_object(&once_value_4);
+  } else fra.me.REG[0] = once_value_4;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add_all(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:585 */
+  if (!once_value_5) {
+    fra.me.REG[0] = BOX_NativeString(")");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_5 = fra.me.REG[0];
+    register_static_object(&once_value_5);
+  } else fra.me.REG[0] = once_value_5;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:586 */
+  goto label6;
+  label6: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
 val_t compiling_icode___ISuper___compile_call_to_c(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
   val_t tmp;
     static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
   static val_t once_value_3; /* Once value */
+  static val_t once_value_4; /* Once value */
   static val_t once_value_5; /* Once value */
-  static val_t once_value_6; /* Once value */
-  static val_t once_value_7; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 553;
+  fra.me.line = 591;
   fra.me.meth = LOCATE_compiling_icode___ISuper___compile_call_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 4;
+  fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
-  fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./compiling//compiling_icode.nit:593 */
   fra.me.REG[0] = CALL_icode_base___IAbsCall___property(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:594 */
   fra.me.REG[1] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:556 */
   if (UNTAG_Bool(REGB0)) {
     if (!once_value_1) {
       fra.me.REG[1] = BOX_NativeString("init_table");
@@ -3870,97 +4083,60 @@ val_t compiling_icode___ISuper___compile_call_to_c(val_t p0, val_t p1, val_t p2)
       once_value_1 = fra.me.REG[1];
       register_static_object(&once_value_1);
     } else fra.me.REG[1] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   }
-  REGB0 = TAG_Int(7);
-  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:557 */
-  if (!once_value_2) {
-    fra.me.REG[3] = BOX_NativeString("");
-    REGB0 = TAG_Int(0);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_2 = fra.me.REG[3];
-    register_static_object(&once_value_2);
-  } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:595 */
+  fra.me.REG[1] = NEW_Writer_compiling_writer___Writer___init();
+  /* ./compiling//compiling_icode.nit:596 */
   fra.me.REG[0] = CALL_compiling_base___MMLocalProperty___super_meth_call(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  if (!once_value_3) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:597 */
+  if (!once_value_2) {
     fra.me.REG[0] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:598 */
+  fra.me.REG[0] = CALL_abstract_collection___Collection___first(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:599 */
+  if (!once_value_3) {
+    fra.me.REG[0] = BOX_NativeString(")(");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
     once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
   } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  REGB0 = TAG_Int(0);
-  fra.me.REG[0] = fra.me.REG[2];
-  REGB1 = TAG_Int(0);
-  REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
-  /* ./../lib/standard//collection//array.nit:233 */
-  if (UNTAG_Bool(REGB1)) {
-    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
-    if (UNTAG_Bool(REGB1)) {
-    } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_length");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-      nit_exit(1);
-    }
-    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
-    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//collection//array.nit:233 */
-  } else {
-    REGB2 = TAG_Bool(false);
-    REGB1 = REGB2;
-  }
-  if (UNTAG_Bool(REGB1)) {
-  } else {
-    fprintf(stderr, "Assert %s  failed", "'index'");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 233);
-    nit_exit(1);
-  }
-  fra.me.REG[0] = ATTR_array___Array____items(fra.me.REG[0]);
-  REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./../lib/standard//collection//array.nit:234 */
-  if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 234);
-    nit_exit(1);
-  }
-  fra.me.REG[0] = ((Nit_NativeArray)fra.me.REG[0])->val[UNTAG_Int(REGB0)];
-  /* ./../lib/standard//collection//array.nit:234 */
-  goto label4;
-  label4: while(0);
-  /* ./compiling//compiling_icode.nit:557 */
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  if (!once_value_5) {
-    fra.me.REG[0] = BOX_NativeString(")(");
-    REGB0 = TAG_Int(2);
-    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_5 = fra.me.REG[0];
-    register_static_object(&once_value_5);
-  } else fra.me.REG[0] = once_value_5;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  if (!once_value_6) {
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:600 */
+  if (!once_value_4) {
     fra.me.REG[0] = BOX_NativeString(", ");
     REGB0 = TAG_Int(2);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_6 = fra.me.REG[0];
-    register_static_object(&once_value_6);
-  } else fra.me.REG[0] = once_value_6;
-  fra.me.REG[0] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  if (!once_value_7) {
+    once_value_4 = fra.me.REG[0];
+    register_static_object(&once_value_4);
+  } else fra.me.REG[0] = once_value_4;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add_all(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:601 */
+  if (!once_value_5) {
     fra.me.REG[0] = BOX_NativeString(")");
     REGB0 = TAG_Int(1);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_7 = fra.me.REG[0];
-    register_static_object(&once_value_7);
-  } else fra.me.REG[0] = once_value_7;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  goto label8;
-  label8: while(0);
+    once_value_5 = fra.me.REG[0];
+    register_static_object(&once_value_5);
+  } else fra.me.REG[0] = once_value_5;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:602 */
+  goto label6;
+  label6: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
@@ -3975,7 +4151,7 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
   static val_t once_value_5; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 562;
+  fra.me.line = 607;
   fra.me.meth = LOCATE_compiling_icode___INew___compile_call_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -3986,9 +4162,9 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  REGB0 = TAG_Int(7);
-  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:564 */
+  /* ./compiling//compiling_icode.nit:609 */
+  fra.me.REG[1] = NEW_Writer_compiling_writer___Writer___init();
+  /* ./compiling//compiling_icode.nit:610 */
   if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString("NEW_");
     REGB0 = TAG_Int(4);
@@ -3996,11 +4172,14 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
     once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
   } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[1], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:611 */
   fra.me.REG[3] = CALL_icode_base___INew___stype(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_static_type___MMType___local_class(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[3]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:612 */
   if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("_");
     REGB0 = TAG_Int(1);
@@ -4008,12 +4187,15 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
     once_value_2 = fra.me.REG[3];
     register_static_object(&once_value_2);
   } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[1], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:613 */
   fra.me.REG[0] = CALL_icode_base___IAbsCall___property(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_base___MMLocalProperty___cname(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:614 */
   if (!once_value_3) {
     fra.me.REG[0] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
@@ -4021,7 +4203,9 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
     once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
   } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:615 */
   if (!once_value_4) {
     fra.me.REG[0] = BOX_NativeString(", ");
     REGB0 = TAG_Int(2);
@@ -4029,8 +4213,9 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
     once_value_4 = fra.me.REG[0];
     register_static_object(&once_value_4);
   } else fra.me.REG[0] = once_value_4;
-  fra.me.REG[0] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add_all(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:616 */
   if (!once_value_5) {
     fra.me.REG[0] = BOX_NativeString(")");
     REGB0 = TAG_Int(1);
@@ -4038,14 +4223,15 @@ val_t compiling_icode___INew___compile_call_to_c(val_t p0, val_t p1, val_t p2){
     once_value_5 = fra.me.REG[0];
     register_static_object(&once_value_5);
   } else fra.me.REG[0] = once_value_5;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:617 */
   goto label6;
   label6: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t compiling_icode___IAllocateInstance___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___IAllocateInstance___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
@@ -4053,8 +4239,8 @@ val_t compiling_icode___IAllocateInstance___inner_compile_to_c(val_t p0, val_t p
   static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 569;
-  fra.me.meth = LOCATE_compiling_icode___IAllocateInstance___inner_compile_to_c;
+  fra.me.line = 622;
+  fra.me.meth = LOCATE_compiling_icode___IAllocateInstance___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
@@ -4062,9 +4248,12 @@ val_t compiling_icode___IAllocateInstance___inner_compile_to_c(val_t p0, val_t p
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(3);
-  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:571 */
+  /* ./compiling//compiling_icode.nit:624 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:625 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:626 */
   if (!once_value_1) {
     fra.me.REG[2] = BOX_NativeString("NEW_");
     REGB0 = TAG_Int(4);
@@ -4072,12 +4261,15 @@ val_t compiling_icode___IAllocateInstance___inner_compile_to_c(val_t p0, val_t p
     once_value_1 = fra.me.REG[2];
     register_static_object(&once_value_1);
   } else fra.me.REG[2] = once_value_1;
-  array___Array___add(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:627 */
   fra.me.REG[0] = CALL_icode_base___IAllocateInstance___stype(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_static_type___MMType___local_class(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_abstractmetamodel___MMLocalClass___name(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:628 */
   if (!once_value_2) {
     fra.me.REG[0] = BOX_NativeString("()");
     REGB0 = TAG_Int(2);
@@ -4085,14 +4277,12 @@ val_t compiling_icode___IAllocateInstance___inner_compile_to_c(val_t p0, val_t p
     once_value_2 = fra.me.REG[0];
     register_static_object(&once_value_2);
   } else fra.me.REG[0] = once_value_2;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  goto label3;
-  label3: while(0);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[1];
+  return;
 }
-val_t compiling_icode___ICheckInstance___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___ICheckInstance___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
@@ -4101,8 +4291,8 @@ val_t compiling_icode___ICheckInstance___inner_compile_to_c(val_t p0, val_t p1){
   static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 576;
-  fra.me.meth = LOCATE_compiling_icode___ICheckInstance___inner_compile_to_c;
+  fra.me.line = 633;
+  fra.me.meth = LOCATE_compiling_icode___ICheckInstance___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -4111,9 +4301,12 @@ val_t compiling_icode___ICheckInstance___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(5);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:578 */
+  /* ./compiling//compiling_icode.nit:635 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:636 */
+  fra.me.REG[2] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:637 */
   if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString("CHECKNEW_");
     REGB0 = TAG_Int(9);
@@ -4121,12 +4314,15 @@ val_t compiling_icode___ICheckInstance___inner_compile_to_c(val_t p0, val_t p1){
     once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
   } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:638 */
   fra.me.REG[3] = CALL_icode_base___ICheckInstance___stype(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_static_type___MMType___local_class(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___name(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:639 */
   if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
@@ -4134,10 +4330,13 @@ val_t compiling_icode___ICheckInstance___inner_compile_to_c(val_t p0, val_t p1){
     once_value_2 = fra.me.REG[3];
     register_static_object(&once_value_2);
   } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:640 */
   fra.me.REG[0] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:641 */
   if (!once_value_3) {
     fra.me.REG[0] = BOX_NativeString(")");
     REGB0 = TAG_Int(1);
@@ -4145,14 +4344,12 @@ val_t compiling_icode___ICheckInstance___inner_compile_to_c(val_t p0, val_t p1){
     once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
   } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  goto label4;
-  label4: while(0);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___IInitAttributes___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___IInitAttributes___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
@@ -4161,8 +4358,8 @@ val_t compiling_icode___IInitAttributes___inner_compile_to_c(val_t p0, val_t p1)
   static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 583;
-  fra.me.meth = LOCATE_compiling_icode___IInitAttributes___inner_compile_to_c;
+  fra.me.line = 646;
+  fra.me.meth = LOCATE_compiling_icode___IInitAttributes___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -4171,9 +4368,12 @@ val_t compiling_icode___IInitAttributes___inner_compile_to_c(val_t p0, val_t p1)
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(5);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:585 */
+  /* ./compiling//compiling_icode.nit:648 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:649 */
+  fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:650 */
   if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString("INIT_ATTRIBUTES__");
     REGB0 = TAG_Int(17);
@@ -4181,12 +4381,15 @@ val_t compiling_icode___IInitAttributes___inner_compile_to_c(val_t p0, val_t p1)
     once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
   } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:651 */
   fra.me.REG[3] = CALL_icode_base___IInitAttributes___stype(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_static_type___MMType___local_class(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___name(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:652 */
   if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
@@ -4194,50 +4397,50 @@ val_t compiling_icode___IInitAttributes___inner_compile_to_c(val_t p0, val_t p1)
     once_value_2 = fra.me.REG[3];
     register_static_object(&once_value_2);
   } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:653 */
   fra.me.REG[0] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:654 */
   if (!once_value_3) {
-    fra.me.REG[0] = BOX_NativeString(")");
-    REGB0 = TAG_Int(1);
+    fra.me.REG[0] = BOX_NativeString(");\n");
+    REGB0 = TAG_Int(3);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
     once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
   } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  goto label4;
-  label4: while(0);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
 val_t compiling_icode___IStaticCall___compile_call_to_c(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
     static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
   static val_t once_value_3; /* Once value */
   static val_t once_value_4; /* Once value */
-  static val_t once_value_5; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 590;
+  fra.me.line = 659;
   fra.me.meth = LOCATE_compiling_icode___IStaticCall___compile_call_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 4;
+  fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
-  fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./compiling//compiling_icode.nit:661 */
   fra.me.REG[1] = CALL_icode_base___IAbsCall___property(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:662 */
   fra.me.REG[1] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:593 */
   if (UNTAG_Bool(REGB0)) {
     if (!once_value_1) {
       fra.me.REG[1] = BOX_NativeString("init_table");
@@ -4246,175 +4449,100 @@ val_t compiling_icode___IStaticCall___compile_call_to_c(val_t p0, val_t p1, val_
       once_value_1 = fra.me.REG[1];
       register_static_object(&once_value_1);
     } else fra.me.REG[1] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   }
-  REGB0 = TAG_Int(5);
-  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:594 */
-  if (!once_value_2) {
-    fra.me.REG[3] = BOX_NativeString("");
-    REGB0 = TAG_Int(0);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_2 = fra.me.REG[3];
-    register_static_object(&once_value_2);
-  } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:663 */
+  fra.me.REG[1] = NEW_Writer_compiling_writer___Writer___init();
+  /* ./compiling//compiling_icode.nit:664 */
   fra.me.REG[0] = CALL_icode_base___IAbsCall___property(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_base___MMLocalProperty___cname(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  if (!once_value_3) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:665 */
+  if (!once_value_2) {
     fra.me.REG[0] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:666 */
+  if (!once_value_3) {
+    fra.me.REG[0] = BOX_NativeString(", ");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
     once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
   } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add_all(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:667 */
   if (!once_value_4) {
-    fra.me.REG[0] = BOX_NativeString(", ");
-    REGB0 = TAG_Int(2);
+    fra.me.REG[0] = BOX_NativeString(")");
+    REGB0 = TAG_Int(1);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
     once_value_4 = fra.me.REG[0];
     register_static_object(&once_value_4);
   } else fra.me.REG[0] = once_value_4;
-  fra.me.REG[0] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  if (!once_value_5) {
-    fra.me.REG[0] = BOX_NativeString(")");
-    REGB0 = TAG_Int(1);
-    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_5 = fra.me.REG[0];
-    register_static_object(&once_value_5);
-  } else fra.me.REG[0] = once_value_5;
-  array___Array___add(fra.me.REG[1], fra.me.REG[0]);
-  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  goto label6;
-  label6: while(0);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:668 */
+  goto label5;
+  label5: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t compiling_icode___INative___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+void compiling_icode___INative___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
   val_t tmp;
-    static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 599;
-  fra.me.meth = LOCATE_compiling_icode___INative___inner_compile_to_c;
+  fra.me.line = 673;
+  fra.me.meth = LOCATE_compiling_icode___INative___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 7;
+  fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
-  fra.me.REG[3] = NIT_NULL;
-  fra.me.REG[4] = NIT_NULL;
-  fra.me.REG[5] = NIT_NULL;
-  fra.me.REG[6] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  fra.me.REG[2] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:601 */
+  /* ./compiling//compiling_icode.nit:675 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:676 */
+  fra.me.REG[2] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_abstractmetamodel___MMMethod___is_intern(fra.me.REG[2])(fra.me.REG[2]);
   if (UNTAG_Bool(REGB0)) {
-    fra.me.REG[2] = CALL_icode_base___INative___code(fra.me.REG[0])(fra.me.REG[0]);
-    /* ./compiling//compiling_icode.nit:602 */
-    goto label1;
+    /* ./compiling//compiling_icode.nit:677 */
+    CALL_compiling_icode___INative___compile_intern_method_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   } else {
-    fra.me.REG[3] = NEW_Buffer_string___Buffer___init();
-    REGB0 = TAG_Int(0);
-    fra.me.REG[4] = CALL_icode_base___INative___code(fra.me.REG[0])(fra.me.REG[0]);
-    /* ./compiling//compiling_icode.nit:606 */
-    if (!once_value_2) {
-      fra.me.REG[5] = BOX_NativeString("@@@");
-      REGB1 = TAG_Int(3);
-      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-      once_value_2 = fra.me.REG[5];
-      register_static_object(&once_value_2);
-    } else fra.me.REG[5] = once_value_2;
-    fra.me.REG[5] = CALL_string_search___String___split_with(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
-    fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[5])(fra.me.REG[5]);
-    /* ./compiling//compiling_icode.nit:607 */
-    while(1) {
-      REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-      if (UNTAG_Bool(REGB1)) {
-        fra.me.REG[6] = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-        /* ./compiling//compiling_icode.nit:608 */
-        CALL_abstract_collection___Sequence___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
-        fra.me.REG[6] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
-        REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[6])(fra.me.REG[6]);
-        REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-        /* ./compiling//compiling_icode.nit:609 */
-        if (UNTAG_Bool(REGB1)) {
-          REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
-          /* ./../lib/standard//collection//array.nit:23 */
-          if (UNTAG_Bool(REGB1)) {
-          } else {
-            fprintf(stderr, "Uninitialized attribute %s", "_length");
-            fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-            nit_exit(1);
-          }
-          REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
-          REGB2 = TAG_Int(1);
-          REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
-          REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
-        /* ./compiling//compiling_icode.nit:609 */
-        } else {
-          REGB1 = TAG_Bool(false);
-          REGB2 = REGB1;
-        }
-        if (UNTAG_Bool(REGB2)) {
-          fra.me.REG[6] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[6] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[6])(fra.me.REG[6], REGB0);
-          fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
-          /* ./compiling//compiling_icode.nit:610 */
-          CALL_abstract_collection___Sequence___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
-        }
-        REGB2 = TAG_Int(1);
-        REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
-        REGB0 = REGB2;
-      /* ./compiling//compiling_icode.nit:612 */
-      } else {
-        /* ./compiling//compiling_icode.nit:607 */
-        goto label3;
-      }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
-    }
-    label3: while(0);
-    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-    fra.me.REG[2] = fra.me.REG[3];
-    /* ./compiling//compiling_icode.nit:614 */
-    goto label1;
+    /* ./compiling//compiling_icode.nit:679 */
+    CALL_compiling_icode___INative___compile_extern_method_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   }
-  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___IAbort___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+void compiling_icode___INative___compile_extern_method_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
   val_t tmp;
-  static val_t once_value_1; /* Once value */
-      static val_t once_value_2; /* Once value */
-      static val_t once_value_3; /* Once value */
+  static val_t once_value_4; /* Once value */
   static val_t once_value_5; /* Once value */
   static val_t once_value_6; /* Once value */
-    static val_t once_value_7; /* Once value */
-  static val_t once_value_8; /* Once value */
-  static val_t once_value_9; /* Once value */
-    static val_t once_value_10; /* Once value */
-    static val_t once_value_11; /* Once value */
-  static val_t once_value_12; /* Once value */
-  static val_t once_value_13; /* Once value */
+  static val_t once_value_7; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 620;
-  fra.me.meth = LOCATE_compiling_icode___IAbort___inner_compile_to_c;
+  fra.me.line = 683;
+  fra.me.meth = LOCATE_compiling_icode___INative___compile_extern_method_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 7;
+  fra.me.REG_size = 8;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -4422,232 +4550,9886 @@ val_t compiling_icode___IAbort___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[5] = NIT_NULL;
   fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./compiling//compiling_icode.nit:622 */
-  if (!once_value_1) {
-    fra.me.REG[2] = BOX_NativeString("fprintf(stderr");
-    REGB0 = TAG_Int(14);
-    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_1 = fra.me.REG[2];
-    register_static_object(&once_value_1);
-  } else fra.me.REG[2] = once_value_1;
-  fra.me.REG[2] = NEW_Buffer_string___Buffer___from(fra.me.REG[2]);
-  fra.me.REG[3] = CALL_icode_base___IAbort___texts(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[3] = CALL_abstract_collection___Collection___iterator(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:623 */
+  /* ./compiling//compiling_icode.nit:685 */
+  fra.me.REG[2] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_abstractmetamodel___MMMethod___extern_name(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool((fra.me.REG[2]!=NIT_NULL) && VAL_ISA(fra.me.REG[2], COLOR_String, ID_String)) /*cast String*/;
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_compiling_icode, 685);
+  }
+  /* ./compiling//compiling_icode.nit:686 */
+  fra.me.REG[3] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:687 */
+  fra.me.REG[4] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_abstract_collection___Collection___length(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 687);
+  }
+  REGB1 = CALL_static_type___MMSignature___arity(fra.me.REG[3])(fra.me.REG[3]);
+  REGB2 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:215 */
+  REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+  /* ./compiling//compiling_icode.nit:687 */
+  REGB1 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB2 = TAG_Bool((REGB0)==(REGB2));
+    /* ./compiling//compiling_icode.nit:687 */
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_compiling_icode, 687);
+  }
+  /* ./compiling//compiling_icode.nit:689 */
+  fra.me.REG[4] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___registers(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:691 */
+  fra.me.REG[5] = NEW_Array_array___Array___init();
+  /* ./compiling//compiling_icode.nit:692 */
+  REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 692);
+  }
+  fra.me.REG[6] = CALL_static_type___MMSignature___recv(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:243 */
+  fra.me.REG[7] = fra.me.REG[4];
+  /* ./../lib/standard//collection//array.nit:245 */
+  REGB2 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:213 */
+  REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+  /* ./../lib/standard//collection//array.nit:245 */
+  if (UNTAG_Bool(REGB2)) {
+    REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+    }
+    REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+  } else {
+    /* ./../lib/standard//collection//array.nit:245 */
+    REGB0 = TAG_Bool(false);
+    REGB2 = REGB0;
+  }
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+  }
+  /* ./../lib/standard//collection//array.nit:246 */
+  fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+  REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+    nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+  }
+  /* ./../lib/standard//collection//array.nit:654 */
+  fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+  /* ./../lib/standard//collection//array.nit:246 */
+  goto label1;
+  label1: while(0);
+  /* ./compiling//compiling_icode.nit:692 */
+  fra.me.REG[7] = CALL_primitive_info___MMType___unboxtype(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[7]);
+  /* ./compiling//compiling_icode.nit:693 */
+  REGB1 = TAG_Int(0);
+  REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+    nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 693);
+  }
+  REGB2 = CALL_static_type___MMSignature___arity(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./../lib/standard//kernel.nit:332 */
   while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[3])(fra.me.REG[3]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+    /* ./../lib/standard//kernel.nit:332 */
     if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[4] = CALL_abstract_collection___Iterator___item(fra.me.REG[3])(fra.me.REG[3]);
-      REGB0 = TAG_Int(3);
-      fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-      /* ./compiling//compiling_icode.nit:624 */
-      if (!once_value_2) {
-        fra.me.REG[6] = BOX_NativeString(", \"");
-        REGB0 = TAG_Int(3);
-        fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-        once_value_2 = fra.me.REG[6];
-        register_static_object(&once_value_2);
-      } else fra.me.REG[6] = once_value_2;
-      array___Array___add(fra.me.REG[5], fra.me.REG[6]);
-      array___Array___add(fra.me.REG[5], fra.me.REG[4]);
-      if (!once_value_3) {
-        fra.me.REG[4] = BOX_NativeString("\"");
-        REGB0 = TAG_Int(1);
-        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-        once_value_3 = fra.me.REG[4];
-        register_static_object(&once_value_3);
-      } else fra.me.REG[4] = once_value_3;
-      array___Array___add(fra.me.REG[5], fra.me.REG[4]);
-      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-      CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+      /* ./compiling//compiling_icode.nit:693 */
+      REGB0 = REGB1;
+      /* ./compiling//compiling_icode.nit:694 */
+      REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+        nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 694);
+      }
+      fra.me.REG[7] = CALL_static_type___MMSignature_____bra(fra.me.REG[3])(fra.me.REG[3], REGB0);
+      REGB3 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
+      /* ./../lib/standard//collection//array.nit:243 */
+      fra.me.REG[6] = fra.me.REG[4];
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB0 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB0 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB0));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB0)) {
+        REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+        }
+        REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB0 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB0));
+      } else {
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB4 = TAG_Bool(false);
+        REGB0 = REGB4;
+      }
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+      }
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[6] = ATTR_array___Array____items(fra.me.REG[6]);
+      REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB3)];
+      /* ./../lib/standard//collection//array.nit:246 */
+      goto label2;
+      label2: while(0);
+      /* ./compiling//compiling_icode.nit:694 */
+      fra.me.REG[6] = CALL_primitive_info___MMType___unboxtype(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[6]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB3 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB1 = REGB3;
     } else {
-      /* ./compiling//compiling_icode.nit:623 */
-      goto label4;
+      /* ./../lib/standard//kernel.nit:332 */
+      goto label3;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[3])(fra.me.REG[3]);
   }
-  label4: while(0);
-  /* ./compiling//compiling_icode.nit:626 */
+  label3: while(0);
+  /* ./compiling//compiling_icode.nit:696 */
+  REGB1 = TAG_Int(5);
+  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+  if (!once_value_4) {
+    fra.me.REG[6] = BOX_NativeString("");
+    REGB1 = TAG_Int(0);
+    fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+    once_value_4 = fra.me.REG[6];
+    register_static_object(&once_value_4);
+  } else fra.me.REG[6] = once_value_4;
+  fra.me.REG[6] = fra.me.REG[6];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
   if (!once_value_5) {
-    fra.me.REG[3] = BOX_NativeString(");");
-    REGB0 = TAG_Int(2);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_5 = fra.me.REG[3];
+    fra.me.REG[2] = BOX_NativeString("(");
+    REGB1 = TAG_Int(1);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+    once_value_5 = fra.me.REG[2];
     register_static_object(&once_value_5);
-  } else fra.me.REG[3] = once_value_5;
-  CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
-  fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:627 */
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  fra.me.REG[3] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:630 */
+  } else fra.me.REG[2] = once_value_5;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
   if (!once_value_6) {
-    fra.me.REG[5] = BOX_NativeString("fprintf(stderr, \" (%s");
-    REGB0 = TAG_Int(21);
-    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-    once_value_6 = fra.me.REG[5];
+    fra.me.REG[2] = BOX_NativeString(", ");
+    REGB1 = TAG_Int(2);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+    once_value_6 = fra.me.REG[2];
     register_static_object(&once_value_6);
-  } else fra.me.REG[5] = once_value_6;
-  fra.me.REG[5] = NEW_Buffer_string___Buffer___from(fra.me.REG[5]);
-  fra.me.REG[2] = fra.me.REG[5];
-  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:631 */
+  } else fra.me.REG[2] = once_value_6;
+  fra.me.REG[2] = fra.me.REG[2];
+  fra.me.REG[2] = CALL_string___Collection___join(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  if (!once_value_7) {
+    fra.me.REG[2] = BOX_NativeString(")");
+    REGB1 = TAG_Int(1);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+    once_value_7 = fra.me.REG[2];
+    register_static_object(&once_value_7);
+  } else fra.me.REG[2] = once_value_7;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:698 */
+  REGB1 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 698);
+    }
+    fra.me.REG[3] = CALL_static_type___MMSignature___return_type(fra.me.REG[3])(fra.me.REG[3]);
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 698);
+    }
+    fra.me.REG[3] = CALL_primitive_info___MMType___boxtype(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[3];
+  }
+  /* ./compiling//compiling_icode.nit:699 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:700 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___INative___compile_intern_method_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+      static val_t once_value_6; /* Once value */
+        static val_t once_value_7; /* Once value */
+        static val_t once_value_8; /* Once value */
+        static val_t once_value_10; /* Once value */
+        static val_t once_value_11; /* Once value */
+          static val_t once_value_12; /* Once value */
+          static val_t once_value_13; /* Once value */
+          static val_t once_value_15; /* Once value */
+          static val_t once_value_16; /* Once value */
+            static val_t once_value_17; /* Once value */
+            static val_t once_value_18; /* Once value */
+            static val_t once_value_20; /* Once value */
+            static val_t once_value_21; /* Once value */
+              static val_t once_value_22; /* Once value */
+              static val_t once_value_23; /* Once value */
+              static val_t once_value_25; /* Once value */
+              static val_t once_value_26; /* Once value */
+               static val_t once_value_27; /* Once value */
+               static val_t once_value_28; /* Once value */
+               static val_t once_value_30; /* Once value */
+               static val_t once_value_31; /* Once value */
+               static val_t once_value_32; /* Once value */
+               static val_t once_value_33; /* Once value */
+               static val_t once_value_35; /* Once value */
+               static val_t once_value_36; /* Once value */
+               static val_t once_value_37; /* Once value */
+               static val_t once_value_38; /* Once value */
+               static val_t once_value_40; /* Once value */
+               static val_t once_value_42; /* Once value */
+               static val_t once_value_43; /* Once value */
+               static val_t once_value_44; /* Once value */
+               static val_t once_value_45; /* Once value */
+               static val_t once_value_47; /* Once value */
+               static val_t once_value_49; /* Once value */
+               static val_t once_value_50; /* Once value */
+               static val_t once_value_51; /* Once value */
+               static val_t once_value_52; /* Once value */
+               static val_t once_value_54; /* Once value */
+               static val_t once_value_56; /* Once value */
+               static val_t once_value_57; /* Once value */
+               static val_t once_value_58; /* Once value */
+               static val_t once_value_59; /* Once value */
+               static val_t once_value_61; /* Once value */
+               static val_t once_value_63; /* Once value */
+               static val_t once_value_64; /* Once value */
+               static val_t once_value_65; /* Once value */
+               static val_t once_value_66; /* Once value */
+               static val_t once_value_68; /* Once value */
+               static val_t once_value_70; /* Once value */
+               static val_t once_value_71; /* Once value */
+               static val_t once_value_72; /* Once value */
+               static val_t once_value_73; /* Once value */
+               static val_t once_value_75; /* Once value */
+               static val_t once_value_77; /* Once value */
+               static val_t once_value_78; /* Once value */
+               static val_t once_value_79; /* Once value */
+               static val_t once_value_80; /* Once value */
+               static val_t once_value_82; /* Once value */
+               static val_t once_value_84; /* Once value */
+               static val_t once_value_85; /* Once value */
+               static val_t once_value_86; /* Once value */
+               static val_t once_value_87; /* Once value */
+               static val_t once_value_89; /* Once value */
+               static val_t once_value_91; /* Once value */
+               static val_t once_value_92; /* Once value */
+               static val_t once_value_93; /* Once value */
+               static val_t once_value_94; /* Once value */
+               static val_t once_value_96; /* Once value */
+               static val_t once_value_98; /* Once value */
+               static val_t once_value_99; /* Once value */
+               static val_t once_value_100; /* Once value */
+               static val_t once_value_101; /* Once value */
+               static val_t once_value_103; /* Once value */
+               static val_t once_value_105; /* Once value */
+               static val_t once_value_106; /* Once value */
+               static val_t once_value_107; /* Once value */
+               static val_t once_value_108; /* Once value */
+               static val_t once_value_110; /* Once value */
+               static val_t once_value_112; /* Once value */
+               static val_t once_value_113; /* Once value */
+               static val_t once_value_114; /* Once value */
+               static val_t once_value_115; /* Once value */
+               static val_t once_value_117; /* Once value */
+               static val_t once_value_119; /* Once value */
+               static val_t once_value_120; /* Once value */
+               static val_t once_value_121; /* Once value */
+               static val_t once_value_122; /* Once value */
+               static val_t once_value_124; /* Once value */
+               static val_t once_value_126; /* Once value */
+    static val_t once_value_127; /* Once value */
+      static val_t once_value_128; /* Once value */
+      static val_t once_value_129; /* Once value */
+        static val_t once_value_130; /* Once value */
+        static val_t once_value_131; /* Once value */
+        static val_t once_value_133; /* Once value */
+        static val_t once_value_134; /* Once value */
+          static val_t once_value_135; /* Once value */
+          static val_t once_value_136; /* Once value */
+          static val_t once_value_138; /* Once value */
+          static val_t once_value_139; /* Once value */
+            static val_t once_value_140; /* Once value */
+            static val_t once_value_141; /* Once value */
+            static val_t once_value_143; /* Once value */
+            static val_t once_value_144; /* Once value */
+              static val_t once_value_145; /* Once value */
+              static val_t once_value_146; /* Once value */
+              static val_t once_value_148; /* Once value */
+              static val_t once_value_149; /* Once value */
+               static val_t once_value_150; /* Once value */
+               static val_t once_value_151; /* Once value */
+               static val_t once_value_153; /* Once value */
+               static val_t once_value_155; /* Once value */
+               static val_t once_value_156; /* Once value */
+               static val_t once_value_157; /* Once value */
+               static val_t once_value_158; /* Once value */
+               static val_t once_value_160; /* Once value */
+               static val_t once_value_162; /* Once value */
+               static val_t once_value_163; /* Once value */
+               static val_t once_value_164; /* Once value */
+               static val_t once_value_165; /* Once value */
+               static val_t once_value_167; /* Once value */
+               static val_t once_value_169; /* Once value */
+               static val_t once_value_170; /* Once value */
+               static val_t once_value_171; /* Once value */
+               static val_t once_value_172; /* Once value */
+               static val_t once_value_174; /* Once value */
+               static val_t once_value_176; /* Once value */
+               static val_t once_value_177; /* Once value */
+               static val_t once_value_178; /* Once value */
+               static val_t once_value_179; /* Once value */
+               static val_t once_value_181; /* Once value */
+               static val_t once_value_183; /* Once value */
+               static val_t once_value_184; /* Once value */
+               static val_t once_value_185; /* Once value */
+               static val_t once_value_186; /* Once value */
+               static val_t once_value_188; /* Once value */
+               static val_t once_value_190; /* Once value */
+               static val_t once_value_191; /* Once value */
+               static val_t once_value_192; /* Once value */
+               static val_t once_value_193; /* Once value */
+               static val_t once_value_195; /* Once value */
+               static val_t once_value_197; /* Once value */
+               static val_t once_value_198; /* Once value */
+               static val_t once_value_199; /* Once value */
+               static val_t once_value_200; /* Once value */
+               static val_t once_value_202; /* Once value */
+               static val_t once_value_204; /* Once value */
+      static val_t once_value_205; /* Once value */
+        static val_t once_value_206; /* Once value */
+        static val_t once_value_207; /* Once value */
+          static val_t once_value_208; /* Once value */
+          static val_t once_value_209; /* Once value */
+          static val_t once_value_211; /* Once value */
+          static val_t once_value_212; /* Once value */
+            static val_t once_value_213; /* Once value */
+            static val_t once_value_214; /* Once value */
+            static val_t once_value_216; /* Once value */
+            static val_t once_value_217; /* Once value */
+              static val_t once_value_218; /* Once value */
+              static val_t once_value_219; /* Once value */
+              static val_t once_value_221; /* Once value */
+              static val_t once_value_222; /* Once value */
+               static val_t once_value_223; /* Once value */
+               static val_t once_value_224; /* Once value */
+               static val_t once_value_226; /* Once value */
+               static val_t once_value_227; /* Once value */
+               static val_t once_value_228; /* Once value */
+               static val_t once_value_229; /* Once value */
+               static val_t once_value_231; /* Once value */
+               static val_t once_value_232; /* Once value */
+               static val_t once_value_233; /* Once value */
+               static val_t once_value_234; /* Once value */
+               static val_t once_value_236; /* Once value */
+               static val_t once_value_237; /* Once value */
+               static val_t once_value_238; /* Once value */
+               static val_t once_value_239; /* Once value */
+               static val_t once_value_241; /* Once value */
+               static val_t once_value_242; /* Once value */
+               static val_t once_value_243; /* Once value */
+               static val_t once_value_244; /* Once value */
+               static val_t once_value_246; /* Once value */
+               static val_t once_value_248; /* Once value */
+               static val_t once_value_249; /* Once value */
+               static val_t once_value_250; /* Once value */
+               static val_t once_value_251; /* Once value */
+               static val_t once_value_253; /* Once value */
+               static val_t once_value_255; /* Once value */
+               static val_t once_value_256; /* Once value */
+               static val_t once_value_257; /* Once value */
+               static val_t once_value_258; /* Once value */
+               static val_t once_value_260; /* Once value */
+               static val_t once_value_262; /* Once value */
+               static val_t once_value_263; /* Once value */
+               static val_t once_value_264; /* Once value */
+               static val_t once_value_265; /* Once value */
+               static val_t once_value_267; /* Once value */
+               static val_t once_value_269; /* Once value */
+               static val_t once_value_270; /* Once value */
+               static val_t once_value_271; /* Once value */
+               static val_t once_value_272; /* Once value */
+               static val_t once_value_274; /* Once value */
+               static val_t once_value_276; /* Once value */
+               static val_t once_value_277; /* Once value */
+               static val_t once_value_278; /* Once value */
+               static val_t once_value_279; /* Once value */
+               static val_t once_value_281; /* Once value */
+               static val_t once_value_283; /* Once value */
+               static val_t once_value_284; /* Once value */
+               static val_t once_value_285; /* Once value */
+               static val_t once_value_286; /* Once value */
+               static val_t once_value_288; /* Once value */
+               static val_t once_value_290; /* Once value */
+               static val_t once_value_291; /* Once value */
+               static val_t once_value_292; /* Once value */
+               static val_t once_value_293; /* Once value */
+               static val_t once_value_295; /* Once value */
+               static val_t once_value_297; /* Once value */
+               static val_t once_value_298; /* Once value */
+               static val_t once_value_299; /* Once value */
+               static val_t once_value_300; /* Once value */
+               static val_t once_value_302; /* Once value */
+               static val_t once_value_304; /* Once value */
+               static val_t once_value_305; /* Once value */
+               static val_t once_value_306; /* Once value */
+               static val_t once_value_307; /* Once value */
+               static val_t once_value_309; /* Once value */
+               static val_t once_value_311; /* Once value */
+               static val_t once_value_312; /* Once value */
+               static val_t once_value_313; /* Once value */
+               static val_t once_value_314; /* Once value */
+               static val_t once_value_316; /* Once value */
+               static val_t once_value_318; /* Once value */
+        static val_t once_value_319; /* Once value */
+          static val_t once_value_320; /* Once value */
+          static val_t once_value_321; /* Once value */
+            static val_t once_value_322; /* Once value */
+            static val_t once_value_323; /* Once value */
+            static val_t once_value_325; /* Once value */
+            static val_t once_value_326; /* Once value */
+              static val_t once_value_327; /* Once value */
+              static val_t once_value_328; /* Once value */
+              static val_t once_value_330; /* Once value */
+              static val_t once_value_331; /* Once value */
+               static val_t once_value_332; /* Once value */
+               static val_t once_value_333; /* Once value */
+               static val_t once_value_335; /* Once value */
+               static val_t once_value_336; /* Once value */
+               static val_t once_value_337; /* Once value */
+               static val_t once_value_338; /* Once value */
+               static val_t once_value_340; /* Once value */
+               static val_t once_value_341; /* Once value */
+               static val_t once_value_342; /* Once value */
+               static val_t once_value_343; /* Once value */
+               static val_t once_value_345; /* Once value */
+               static val_t once_value_346; /* Once value */
+               static val_t once_value_347; /* Once value */
+               static val_t once_value_348; /* Once value */
+               static val_t once_value_350; /* Once value */
+               static val_t once_value_352; /* Once value */
+               static val_t once_value_353; /* Once value */
+               static val_t once_value_354; /* Once value */
+               static val_t once_value_355; /* Once value */
+               static val_t once_value_357; /* Once value */
+               static val_t once_value_359; /* Once value */
+          static val_t once_value_360; /* Once value */
+            static val_t once_value_361; /* Once value */
+            static val_t once_value_362; /* Once value */
+              static val_t once_value_363; /* Once value */
+              static val_t once_value_364; /* Once value */
+              static val_t once_value_366; /* Once value */
+              static val_t once_value_367; /* Once value */
+               static val_t once_value_368; /* Once value */
+               static val_t once_value_369; /* Once value */
+               static val_t once_value_371; /* Once value */
+               static val_t once_value_373; /* Once value */
+               static val_t once_value_374; /* Once value */
+               static val_t once_value_375; /* Once value */
+               static val_t once_value_376; /* Once value */
+               static val_t once_value_378; /* Once value */
+               static val_t once_value_380; /* Once value */
+               static val_t once_value_382; /* Once value */
+               static val_t once_value_383; /* Once value */
+               static val_t once_value_384; /* Once value */
+               static val_t once_value_385; /* Once value */
+               static val_t once_value_387; /* Once value */
+               static val_t once_value_389; /* Once value */
+               static val_t once_value_391; /* Once value */
+            static val_t once_value_392; /* Once value */
+              static val_t once_value_393; /* Once value */
+              static val_t once_value_394; /* Once value */
+               static val_t once_value_395; /* Once value */
+               static val_t once_value_396; /* Once value */
+               static val_t once_value_398; /* Once value */
+               static val_t once_value_399; /* Once value */
+               static val_t once_value_400; /* Once value */
+               static val_t once_value_401; /* Once value */
+               static val_t once_value_403; /* Once value */
+               static val_t once_value_404; /* Once value */
+               static val_t once_value_405; /* Once value */
+               static val_t once_value_406; /* Once value */
+               static val_t once_value_408; /* Once value */
+               static val_t once_value_410; /* Once value */
+               static val_t once_value_411; /* Once value */
+               static val_t once_value_412; /* Once value */
+               static val_t once_value_413; /* Once value */
+               static val_t once_value_415; /* Once value */
+               static val_t once_value_417; /* Once value */
+               static val_t once_value_419; /* Once value */
+               static val_t once_value_420; /* Once value */
+               static val_t once_value_421; /* Once value */
+               static val_t once_value_422; /* Once value */
+               static val_t once_value_424; /* Once value */
+               static val_t once_value_426; /* Once value */
+               static val_t once_value_428; /* Once value */
+               static val_t once_value_430; /* Once value */
+               static val_t once_value_432; /* Once value */
+              static val_t once_value_433; /* Once value */
+               static val_t once_value_434; /* Once value */
+               static val_t once_value_435; /* Once value */
+               static val_t once_value_437; /* Once value */
+               static val_t once_value_438; /* Once value */
+               static val_t once_value_439; /* Once value */
+               static val_t once_value_440; /* Once value */
+               static val_t once_value_441; /* Once value */
+               static val_t once_value_442; /* Once value */
+               static val_t once_value_443; /* Once value */
+               static val_t once_value_445; /* Once value */
+               static val_t once_value_447; /* Once value */
+               static val_t once_value_448; /* Once value */
+               static val_t once_value_449; /* Once value */
+               static val_t once_value_450; /* Once value */
+               static val_t once_value_452; /* Once value */
+               static val_t once_value_453; /* Once value */
+               static val_t once_value_454; /* Once value */
+               static val_t once_value_455; /* Once value */
+               static val_t once_value_457; /* Once value */
+               static val_t once_value_458; /* Once value */
+               static val_t once_value_459; /* Once value */
+               static val_t once_value_460; /* Once value */
+               static val_t once_value_462; /* Once value */
+      static val_t once_value_463; /* Once value */
+      static val_t once_value_464; /* Once value */
+    static val_t once_value_465; /* Once value */
+    static val_t once_value_466; /* Once value */
+    static val_t once_value_467; /* Once value */
+    static val_t once_value_468; /* Once value */
+    static val_t once_value_469; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 703;
+  fra.me.meth = LOCATE_compiling_icode___INative___compile_intern_method_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 8;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:705 */
+  fra.me.REG[2] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:706 */
+  fra.me.REG[3] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_abstract_collection___Collection___length(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 706);
+  }
+  REGB1 = CALL_static_type___MMSignature___arity(fra.me.REG[2])(fra.me.REG[2]);
+  REGB2 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:215 */
+  REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+  /* ./compiling//compiling_icode.nit:706 */
+  REGB1 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB2 = TAG_Bool((REGB0)==(REGB2));
+    /* ./compiling//compiling_icode.nit:706 */
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_compiling_icode, 706);
+  }
+  /* ./compiling//compiling_icode.nit:707 */
+  fra.me.REG[2] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[2] = CALL_abstractmetamodel___MMLocalClass___name(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:708 */
+  fra.me.REG[3] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:709 */
+  fra.me.REG[4] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___registers(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:710 */
+  fra.me.REG[5] = NIT_NULL;
+  /* ./compiling//compiling_icode.nit:711 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[6] = BOX_NativeString("Int");
+      REGB1 = TAG_Int(3);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+      once_value_2 = fra.me.REG[6];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[6] = once_value_2;
+    fra.me.REG[6] = fra.me.REG[6];
+    fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+    once_value_1 = fra.me.REG[6];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[6] = once_value_1;
+  fra.me.REG[6] = fra.me.REG[6];
+  REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[6]));
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:712 */
+    if (!once_value_3) {
+      if (!once_value_4) {
+        fra.me.REG[6] = BOX_NativeString("object_id");
+        REGB1 = TAG_Int(9);
+        fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+        once_value_4 = fra.me.REG[6];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[6] = once_value_4;
+      fra.me.REG[6] = fra.me.REG[6];
+      fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+      once_value_3 = fra.me.REG[6];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[6] = once_value_3;
+    fra.me.REG[6] = fra.me.REG[6];
+    REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+      REGB1 = REGB2;
+    }
+    if (UNTAG_Bool(REGB1)) {
+      /* ./compiling//compiling_icode.nit:713 */
+      REGB1 = TAG_Int(0);
+      /* ./../lib/standard//collection//array.nit:243 */
+      fra.me.REG[6] = fra.me.REG[4];
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB2 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+        }
+        REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+      } else {
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB0 = TAG_Bool(false);
+        REGB2 = REGB0;
+      }
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+      }
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[6] = ATTR_array___Array____items(fra.me.REG[6]);
+      REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB1)];
+      /* ./../lib/standard//collection//array.nit:246 */
+      goto label5;
+      label5: while(0);
+      /* ./compiling//compiling_icode.nit:713 */
+      fra.me.REG[5] = fra.me.REG[6];
+    } else {
+      /* ./compiling//compiling_icode.nit:714 */
+      if (!once_value_6) {
+        if (!once_value_7) {
+          fra.me.REG[6] = BOX_NativeString("unary -");
+          REGB1 = TAG_Int(7);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+          once_value_7 = fra.me.REG[6];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[6] = once_value_7;
+        fra.me.REG[6] = fra.me.REG[6];
+        fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+        once_value_6 = fra.me.REG[6];
+        register_static_object(&once_value_6);
+      } else fra.me.REG[6] = once_value_6;
+      fra.me.REG[6] = fra.me.REG[6];
+      REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+        REGB1 = REGB2;
+      }
+      if (UNTAG_Bool(REGB1)) {
+        /* ./compiling//compiling_icode.nit:715 */
+        REGB1 = TAG_Int(3);
+        fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+        if (!once_value_8) {
+          fra.me.REG[7] = BOX_NativeString("TAG_Int(-UNTAG_Int(");
+          REGB1 = TAG_Int(19);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+          once_value_8 = fra.me.REG[7];
+          register_static_object(&once_value_8);
+        } else fra.me.REG[7] = once_value_8;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        REGB1 = TAG_Int(0);
+        /* ./../lib/standard//collection//array.nit:243 */
+        fra.me.REG[7] = fra.me.REG[4];
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB2 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB2)) {
+          REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+          }
+          REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+        } else {
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB0 = TAG_Bool(false);
+          REGB2 = REGB0;
+        }
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+        }
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+        REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+        /* ./../lib/standard//collection//array.nit:246 */
+        goto label9;
+        label9: while(0);
+        /* ./compiling//compiling_icode.nit:715 */
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        if (!once_value_10) {
+          fra.me.REG[7] = BOX_NativeString("))");
+          REGB1 = TAG_Int(2);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+          once_value_10 = fra.me.REG[7];
+          register_static_object(&once_value_10);
+        } else fra.me.REG[7] = once_value_10;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+        fra.me.REG[5] = fra.me.REG[6];
+      } else {
+        /* ./compiling//compiling_icode.nit:716 */
+        if (!once_value_11) {
+          if (!once_value_12) {
+            fra.me.REG[6] = BOX_NativeString("output");
+            REGB1 = TAG_Int(6);
+            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+            once_value_12 = fra.me.REG[6];
+            register_static_object(&once_value_12);
+          } else fra.me.REG[6] = once_value_12;
+          fra.me.REG[6] = fra.me.REG[6];
+          fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+          once_value_11 = fra.me.REG[6];
+          register_static_object(&once_value_11);
+        } else fra.me.REG[6] = once_value_11;
+        fra.me.REG[6] = fra.me.REG[6];
+        REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+          REGB1 = REGB2;
+        }
+        if (UNTAG_Bool(REGB1)) {
+          /* ./compiling//compiling_icode.nit:717 */
+          REGB1 = TAG_Int(3);
+          fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+          if (!once_value_13) {
+            fra.me.REG[7] = BOX_NativeString("printf(\"%ld\\n\", UNTAG_Int(");
+            REGB1 = TAG_Int(26);
+            fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+            once_value_13 = fra.me.REG[7];
+            register_static_object(&once_value_13);
+          } else fra.me.REG[7] = once_value_13;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          REGB1 = TAG_Int(0);
+          /* ./../lib/standard//collection//array.nit:243 */
+          fra.me.REG[7] = fra.me.REG[4];
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB2 = TAG_Int(0);
+          /* ./../lib/standard//kernel.nit:213 */
+          REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+          /* ./../lib/standard//collection//array.nit:245 */
+          if (UNTAG_Bool(REGB2)) {
+            REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+            }
+            REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+            /* ./../lib/standard//kernel.nit:212 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+          } else {
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB0 = TAG_Bool(false);
+            REGB2 = REGB0;
+          }
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+          }
+          /* ./../lib/standard//collection//array.nit:246 */
+          fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+          REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+          }
+          /* ./../lib/standard//collection//array.nit:654 */
+          fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+          /* ./../lib/standard//collection//array.nit:246 */
+          goto label14;
+          label14: while(0);
+          /* ./compiling//compiling_icode.nit:717 */
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          if (!once_value_15) {
+            fra.me.REG[7] = BOX_NativeString("));");
+            REGB1 = TAG_Int(3);
+            fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+            once_value_15 = fra.me.REG[7];
+            register_static_object(&once_value_15);
+          } else fra.me.REG[7] = once_value_15;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+          fra.me.REG[5] = fra.me.REG[6];
+        } else {
+          /* ./compiling//compiling_icode.nit:718 */
+          if (!once_value_16) {
+            if (!once_value_17) {
+              fra.me.REG[6] = BOX_NativeString("ascii");
+              REGB1 = TAG_Int(5);
+              fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+              once_value_17 = fra.me.REG[6];
+              register_static_object(&once_value_17);
+            } else fra.me.REG[6] = once_value_17;
+            fra.me.REG[6] = fra.me.REG[6];
+            fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+            once_value_16 = fra.me.REG[6];
+            register_static_object(&once_value_16);
+          } else fra.me.REG[6] = once_value_16;
+          fra.me.REG[6] = fra.me.REG[6];
+          REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+            REGB1 = REGB2;
+          }
+          if (UNTAG_Bool(REGB1)) {
+            /* ./compiling//compiling_icode.nit:719 */
+            REGB1 = TAG_Int(3);
+            fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+            if (!once_value_18) {
+              fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Int(");
+              REGB1 = TAG_Int(19);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_18 = fra.me.REG[7];
+              register_static_object(&once_value_18);
+            } else fra.me.REG[7] = once_value_18;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            REGB1 = TAG_Int(0);
+            /* ./../lib/standard//collection//array.nit:243 */
+            fra.me.REG[7] = fra.me.REG[4];
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB2 = TAG_Int(0);
+            /* ./../lib/standard//kernel.nit:213 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+            /* ./../lib/standard//collection//array.nit:245 */
+            if (UNTAG_Bool(REGB2)) {
+              REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+              }
+              REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+              /* ./../lib/standard//kernel.nit:212 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+            } else {
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB0 = TAG_Bool(false);
+              REGB2 = REGB0;
+            }
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+            }
+            /* ./../lib/standard//collection//array.nit:246 */
+            fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+            REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+            /* ./../lib/standard//collection//array.nit:246 */
+            goto label19;
+            label19: while(0);
+            /* ./compiling//compiling_icode.nit:719 */
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            if (!once_value_20) {
+              fra.me.REG[7] = BOX_NativeString("))");
+              REGB1 = TAG_Int(2);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_20 = fra.me.REG[7];
+              register_static_object(&once_value_20);
+            } else fra.me.REG[7] = once_value_20;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+            fra.me.REG[5] = fra.me.REG[6];
+          } else {
+            /* ./compiling//compiling_icode.nit:720 */
+            if (!once_value_21) {
+              if (!once_value_22) {
+               fra.me.REG[6] = BOX_NativeString("succ");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_22 = fra.me.REG[6];
+               register_static_object(&once_value_22);
+              } else fra.me.REG[6] = once_value_22;
+              fra.me.REG[6] = fra.me.REG[6];
+              fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+              once_value_21 = fra.me.REG[6];
+              register_static_object(&once_value_21);
+            } else fra.me.REG[6] = once_value_21;
+            fra.me.REG[6] = fra.me.REG[6];
+            REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./compiling//compiling_icode.nit:721 */
+              REGB1 = TAG_Int(3);
+              fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+              if (!once_value_23) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_23 = fra.me.REG[7];
+               register_static_object(&once_value_23);
+              } else fra.me.REG[7] = once_value_23;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              REGB1 = TAG_Int(0);
+              /* ./../lib/standard//collection//array.nit:243 */
+              fra.me.REG[7] = fra.me.REG[4];
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB2 = TAG_Int(0);
+              /* ./../lib/standard//kernel.nit:213 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+              /* ./../lib/standard//collection//array.nit:245 */
+              if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+              } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+              }
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+              }
+              /* ./../lib/standard//collection//array.nit:246 */
+              fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+              REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+              }
+              /* ./../lib/standard//collection//array.nit:654 */
+              fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+              /* ./../lib/standard//collection//array.nit:246 */
+              goto label24;
+              label24: while(0);
+              /* ./compiling//compiling_icode.nit:721 */
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              if (!once_value_25) {
+               fra.me.REG[7] = BOX_NativeString(")+1)");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_25 = fra.me.REG[7];
+               register_static_object(&once_value_25);
+              } else fra.me.REG[7] = once_value_25;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+              fra.me.REG[5] = fra.me.REG[6];
+            } else {
+              /* ./compiling//compiling_icode.nit:722 */
+              if (!once_value_26) {
+               if (!once_value_27) {
+               fra.me.REG[6] = BOX_NativeString("prec");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_27 = fra.me.REG[6];
+               register_static_object(&once_value_27);
+               } else fra.me.REG[6] = once_value_27;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_26 = fra.me.REG[6];
+               register_static_object(&once_value_26);
+              } else fra.me.REG[6] = once_value_26;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:723 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_28) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_28 = fra.me.REG[7];
+               register_static_object(&once_value_28);
+               } else fra.me.REG[7] = once_value_28;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label29;
+               label29: while(0);
+               /* ./compiling//compiling_icode.nit:723 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_30) {
+               fra.me.REG[7] = BOX_NativeString(")-1)");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_30 = fra.me.REG[7];
+               register_static_object(&once_value_30);
+               } else fra.me.REG[7] = once_value_30;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:724 */
+               if (!once_value_31) {
+               if (!once_value_32) {
+               fra.me.REG[6] = BOX_NativeString("to_f");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_32 = fra.me.REG[6];
+               register_static_object(&once_value_32);
+               } else fra.me.REG[6] = once_value_32;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_31 = fra.me.REG[6];
+               register_static_object(&once_value_31);
+               } else fra.me.REG[6] = once_value_31;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:725 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_33) {
+               fra.me.REG[7] = BOX_NativeString("BOX_Float((float)UNTAG_Int(");
+               REGB1 = TAG_Int(27);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_33 = fra.me.REG[7];
+               register_static_object(&once_value_33);
+               } else fra.me.REG[7] = once_value_33;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label34;
+               label34: while(0);
+               /* ./compiling//compiling_icode.nit:725 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_35) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_35 = fra.me.REG[7];
+               register_static_object(&once_value_35);
+               } else fra.me.REG[7] = once_value_35;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:726 */
+               if (!once_value_36) {
+               if (!once_value_37) {
+               fra.me.REG[6] = BOX_NativeString("+");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_37 = fra.me.REG[6];
+               register_static_object(&once_value_37);
+               } else fra.me.REG[6] = once_value_37;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_36 = fra.me.REG[6];
+               register_static_object(&once_value_36);
+               } else fra.me.REG[6] = once_value_36;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:727 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_38) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_38 = fra.me.REG[7];
+               register_static_object(&once_value_38);
+               } else fra.me.REG[7] = once_value_38;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label39;
+               label39: while(0);
+               /* ./compiling//compiling_icode.nit:727 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_40) {
+               fra.me.REG[7] = BOX_NativeString(")+UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_40 = fra.me.REG[7];
+               register_static_object(&once_value_40);
+               } else fra.me.REG[7] = once_value_40;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label41;
+               label41: while(0);
+               /* ./compiling//compiling_icode.nit:727 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_42) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_42 = fra.me.REG[7];
+               register_static_object(&once_value_42);
+               } else fra.me.REG[7] = once_value_42;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:728 */
+               if (!once_value_43) {
+               if (!once_value_44) {
+               fra.me.REG[6] = BOX_NativeString("-");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_44 = fra.me.REG[6];
+               register_static_object(&once_value_44);
+               } else fra.me.REG[6] = once_value_44;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_43 = fra.me.REG[6];
+               register_static_object(&once_value_43);
+               } else fra.me.REG[6] = once_value_43;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:729 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_45) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_45 = fra.me.REG[7];
+               register_static_object(&once_value_45);
+               } else fra.me.REG[7] = once_value_45;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label46;
+               label46: while(0);
+               /* ./compiling//compiling_icode.nit:729 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_47) {
+               fra.me.REG[7] = BOX_NativeString(")-UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_47 = fra.me.REG[7];
+               register_static_object(&once_value_47);
+               } else fra.me.REG[7] = once_value_47;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label48;
+               label48: while(0);
+               /* ./compiling//compiling_icode.nit:729 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_49) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_49 = fra.me.REG[7];
+               register_static_object(&once_value_49);
+               } else fra.me.REG[7] = once_value_49;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:730 */
+               if (!once_value_50) {
+               if (!once_value_51) {
+               fra.me.REG[6] = BOX_NativeString("*");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_51 = fra.me.REG[6];
+               register_static_object(&once_value_51);
+               } else fra.me.REG[6] = once_value_51;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_50 = fra.me.REG[6];
+               register_static_object(&once_value_50);
+               } else fra.me.REG[6] = once_value_50;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:731 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_52) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_52 = fra.me.REG[7];
+               register_static_object(&once_value_52);
+               } else fra.me.REG[7] = once_value_52;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label53;
+               label53: while(0);
+               /* ./compiling//compiling_icode.nit:731 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_54) {
+               fra.me.REG[7] = BOX_NativeString(")*UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_54 = fra.me.REG[7];
+               register_static_object(&once_value_54);
+               } else fra.me.REG[7] = once_value_54;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label55;
+               label55: while(0);
+               /* ./compiling//compiling_icode.nit:731 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_56) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_56 = fra.me.REG[7];
+               register_static_object(&once_value_56);
+               } else fra.me.REG[7] = once_value_56;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:732 */
+               if (!once_value_57) {
+               if (!once_value_58) {
+               fra.me.REG[6] = BOX_NativeString("/");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_58 = fra.me.REG[6];
+               register_static_object(&once_value_58);
+               } else fra.me.REG[6] = once_value_58;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_57 = fra.me.REG[6];
+               register_static_object(&once_value_57);
+               } else fra.me.REG[6] = once_value_57;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:733 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_59) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_59 = fra.me.REG[7];
+               register_static_object(&once_value_59);
+               } else fra.me.REG[7] = once_value_59;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label60;
+               label60: while(0);
+               /* ./compiling//compiling_icode.nit:733 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_61) {
+               fra.me.REG[7] = BOX_NativeString(")/UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_61 = fra.me.REG[7];
+               register_static_object(&once_value_61);
+               } else fra.me.REG[7] = once_value_61;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label62;
+               label62: while(0);
+               /* ./compiling//compiling_icode.nit:733 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_63) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_63 = fra.me.REG[7];
+               register_static_object(&once_value_63);
+               } else fra.me.REG[7] = once_value_63;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:734 */
+               if (!once_value_64) {
+               if (!once_value_65) {
+               fra.me.REG[6] = BOX_NativeString("%");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_65 = fra.me.REG[6];
+               register_static_object(&once_value_65);
+               } else fra.me.REG[6] = once_value_65;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_64 = fra.me.REG[6];
+               register_static_object(&once_value_64);
+               } else fra.me.REG[6] = once_value_64;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:735 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_66) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_66 = fra.me.REG[7];
+               register_static_object(&once_value_66);
+               } else fra.me.REG[7] = once_value_66;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label67;
+               label67: while(0);
+               /* ./compiling//compiling_icode.nit:735 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_68) {
+               fra.me.REG[7] = BOX_NativeString(")%UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_68 = fra.me.REG[7];
+               register_static_object(&once_value_68);
+               } else fra.me.REG[7] = once_value_68;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label69;
+               label69: while(0);
+               /* ./compiling//compiling_icode.nit:735 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_70) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_70 = fra.me.REG[7];
+               register_static_object(&once_value_70);
+               } else fra.me.REG[7] = once_value_70;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:736 */
+               if (!once_value_71) {
+               if (!once_value_72) {
+               fra.me.REG[6] = BOX_NativeString("<");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_72 = fra.me.REG[6];
+               register_static_object(&once_value_72);
+               } else fra.me.REG[6] = once_value_72;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_71 = fra.me.REG[6];
+               register_static_object(&once_value_71);
+               } else fra.me.REG[6] = once_value_71;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:737 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_73) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Int(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_73 = fra.me.REG[7];
+               register_static_object(&once_value_73);
+               } else fra.me.REG[7] = once_value_73;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label74;
+               label74: while(0);
+               /* ./compiling//compiling_icode.nit:737 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_75) {
+               fra.me.REG[7] = BOX_NativeString(")<UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_75 = fra.me.REG[7];
+               register_static_object(&once_value_75);
+               } else fra.me.REG[7] = once_value_75;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label76;
+               label76: while(0);
+               /* ./compiling//compiling_icode.nit:737 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_77) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_77 = fra.me.REG[7];
+               register_static_object(&once_value_77);
+               } else fra.me.REG[7] = once_value_77;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:738 */
+               if (!once_value_78) {
+               if (!once_value_79) {
+               fra.me.REG[6] = BOX_NativeString(">");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_79 = fra.me.REG[6];
+               register_static_object(&once_value_79);
+               } else fra.me.REG[6] = once_value_79;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_78 = fra.me.REG[6];
+               register_static_object(&once_value_78);
+               } else fra.me.REG[6] = once_value_78;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:739 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_80) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Int(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_80 = fra.me.REG[7];
+               register_static_object(&once_value_80);
+               } else fra.me.REG[7] = once_value_80;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label81;
+               label81: while(0);
+               /* ./compiling//compiling_icode.nit:739 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_82) {
+               fra.me.REG[7] = BOX_NativeString(")>UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_82 = fra.me.REG[7];
+               register_static_object(&once_value_82);
+               } else fra.me.REG[7] = once_value_82;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label83;
+               label83: while(0);
+               /* ./compiling//compiling_icode.nit:739 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_84) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_84 = fra.me.REG[7];
+               register_static_object(&once_value_84);
+               } else fra.me.REG[7] = once_value_84;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:740 */
+               if (!once_value_85) {
+               if (!once_value_86) {
+               fra.me.REG[6] = BOX_NativeString("<=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_86 = fra.me.REG[6];
+               register_static_object(&once_value_86);
+               } else fra.me.REG[6] = once_value_86;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_85 = fra.me.REG[6];
+               register_static_object(&once_value_85);
+               } else fra.me.REG[6] = once_value_85;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:741 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_87) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Int(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_87 = fra.me.REG[7];
+               register_static_object(&once_value_87);
+               } else fra.me.REG[7] = once_value_87;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label88;
+               label88: while(0);
+               /* ./compiling//compiling_icode.nit:741 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_89) {
+               fra.me.REG[7] = BOX_NativeString(")<=UNTAG_Int(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_89 = fra.me.REG[7];
+               register_static_object(&once_value_89);
+               } else fra.me.REG[7] = once_value_89;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label90;
+               label90: while(0);
+               /* ./compiling//compiling_icode.nit:741 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_91) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_91 = fra.me.REG[7];
+               register_static_object(&once_value_91);
+               } else fra.me.REG[7] = once_value_91;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:742 */
+               if (!once_value_92) {
+               if (!once_value_93) {
+               fra.me.REG[6] = BOX_NativeString(">=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_93 = fra.me.REG[6];
+               register_static_object(&once_value_93);
+               } else fra.me.REG[6] = once_value_93;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_92 = fra.me.REG[6];
+               register_static_object(&once_value_92);
+               } else fra.me.REG[6] = once_value_92;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:743 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_94) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Int(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_94 = fra.me.REG[7];
+               register_static_object(&once_value_94);
+               } else fra.me.REG[7] = once_value_94;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label95;
+               label95: while(0);
+               /* ./compiling//compiling_icode.nit:743 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_96) {
+               fra.me.REG[7] = BOX_NativeString(")>=UNTAG_Int(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_96 = fra.me.REG[7];
+               register_static_object(&once_value_96);
+               } else fra.me.REG[7] = once_value_96;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label97;
+               label97: while(0);
+               /* ./compiling//compiling_icode.nit:743 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_98) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_98 = fra.me.REG[7];
+               register_static_object(&once_value_98);
+               } else fra.me.REG[7] = once_value_98;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:744 */
+               if (!once_value_99) {
+               if (!once_value_100) {
+               fra.me.REG[6] = BOX_NativeString("lshift");
+               REGB1 = TAG_Int(6);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_100 = fra.me.REG[6];
+               register_static_object(&once_value_100);
+               } else fra.me.REG[6] = once_value_100;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_99 = fra.me.REG[6];
+               register_static_object(&once_value_99);
+               } else fra.me.REG[6] = once_value_99;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:745 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_101) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_101 = fra.me.REG[7];
+               register_static_object(&once_value_101);
+               } else fra.me.REG[7] = once_value_101;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label102;
+               label102: while(0);
+               /* ./compiling//compiling_icode.nit:745 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_103) {
+               fra.me.REG[7] = BOX_NativeString(")<<UNTAG_Int(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_103 = fra.me.REG[7];
+               register_static_object(&once_value_103);
+               } else fra.me.REG[7] = once_value_103;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label104;
+               label104: while(0);
+               /* ./compiling//compiling_icode.nit:745 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_105) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_105 = fra.me.REG[7];
+               register_static_object(&once_value_105);
+               } else fra.me.REG[7] = once_value_105;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:746 */
+               if (!once_value_106) {
+               if (!once_value_107) {
+               fra.me.REG[6] = BOX_NativeString("rshift");
+               REGB1 = TAG_Int(6);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_107 = fra.me.REG[6];
+               register_static_object(&once_value_107);
+               } else fra.me.REG[6] = once_value_107;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_106 = fra.me.REG[6];
+               register_static_object(&once_value_106);
+               } else fra.me.REG[6] = once_value_106;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:747 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_108) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_108 = fra.me.REG[7];
+               register_static_object(&once_value_108);
+               } else fra.me.REG[7] = once_value_108;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label109;
+               label109: while(0);
+               /* ./compiling//compiling_icode.nit:747 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_110) {
+               fra.me.REG[7] = BOX_NativeString(")>>UNTAG_Int(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_110 = fra.me.REG[7];
+               register_static_object(&once_value_110);
+               } else fra.me.REG[7] = once_value_110;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label111;
+               label111: while(0);
+               /* ./compiling//compiling_icode.nit:747 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_112) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_112 = fra.me.REG[7];
+               register_static_object(&once_value_112);
+               } else fra.me.REG[7] = once_value_112;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:748 */
+               if (!once_value_113) {
+               if (!once_value_114) {
+               fra.me.REG[6] = BOX_NativeString("==");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_114 = fra.me.REG[6];
+               register_static_object(&once_value_114);
+               } else fra.me.REG[6] = once_value_114;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_113 = fra.me.REG[6];
+               register_static_object(&once_value_113);
+               } else fra.me.REG[6] = once_value_113;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:749 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_115) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool((");
+               REGB1 = TAG_Int(10);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_115 = fra.me.REG[7];
+               register_static_object(&once_value_115);
+               } else fra.me.REG[7] = once_value_115;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label116;
+               label116: while(0);
+               /* ./compiling//compiling_icode.nit:749 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_117) {
+               fra.me.REG[7] = BOX_NativeString(")==(");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_117 = fra.me.REG[7];
+               register_static_object(&once_value_117);
+               } else fra.me.REG[7] = once_value_117;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label118;
+               label118: while(0);
+               /* ./compiling//compiling_icode.nit:749 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_119) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_119 = fra.me.REG[7];
+               register_static_object(&once_value_119);
+               } else fra.me.REG[7] = once_value_119;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:750 */
+               if (!once_value_120) {
+               if (!once_value_121) {
+               fra.me.REG[6] = BOX_NativeString("!=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_121 = fra.me.REG[6];
+               register_static_object(&once_value_121);
+               } else fra.me.REG[6] = once_value_121;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_120 = fra.me.REG[6];
+               register_static_object(&once_value_120);
+               } else fra.me.REG[6] = once_value_120;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:751 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_122) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool((");
+               REGB1 = TAG_Int(10);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_122 = fra.me.REG[7];
+               register_static_object(&once_value_122);
+               } else fra.me.REG[7] = once_value_122;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label123;
+               label123: while(0);
+               /* ./compiling//compiling_icode.nit:751 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_124) {
+               fra.me.REG[7] = BOX_NativeString(")!=(");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_124 = fra.me.REG[7];
+               register_static_object(&once_value_124);
+               } else fra.me.REG[7] = once_value_124;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label125;
+               label125: while(0);
+               /* ./compiling//compiling_icode.nit:751 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_126) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_126 = fra.me.REG[7];
+               register_static_object(&once_value_126);
+               } else fra.me.REG[7] = once_value_126;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+              }
+            }
+          }
+        }
+      }
+    }
+  } else {
+    /* ./compiling//compiling_icode.nit:753 */
+    if (!once_value_127) {
+      if (!once_value_128) {
+        fra.me.REG[6] = BOX_NativeString("Float");
+        REGB1 = TAG_Int(5);
+        fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+        once_value_128 = fra.me.REG[6];
+        register_static_object(&once_value_128);
+      } else fra.me.REG[6] = once_value_128;
+      fra.me.REG[6] = fra.me.REG[6];
+      fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+      once_value_127 = fra.me.REG[6];
+      register_static_object(&once_value_127);
+    } else fra.me.REG[6] = once_value_127;
+    fra.me.REG[6] = fra.me.REG[6];
+    REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[6]));
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+      REGB1 = REGB2;
+    }
+    if (UNTAG_Bool(REGB1)) {
+      /* ./compiling//compiling_icode.nit:754 */
+      if (!once_value_129) {
+        if (!once_value_130) {
+          fra.me.REG[6] = BOX_NativeString("object_id");
+          REGB1 = TAG_Int(9);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+          once_value_130 = fra.me.REG[6];
+          register_static_object(&once_value_130);
+        } else fra.me.REG[6] = once_value_130;
+        fra.me.REG[6] = fra.me.REG[6];
+        fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+        once_value_129 = fra.me.REG[6];
+        register_static_object(&once_value_129);
+      } else fra.me.REG[6] = once_value_129;
+      fra.me.REG[6] = fra.me.REG[6];
+      REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+        REGB1 = REGB2;
+      }
+      if (UNTAG_Bool(REGB1)) {
+        /* ./compiling//compiling_icode.nit:755 */
+        REGB1 = TAG_Int(3);
+        fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+        if (!once_value_131) {
+          fra.me.REG[7] = BOX_NativeString("TAG_Int((bigint)UNBOX_Float(");
+          REGB1 = TAG_Int(28);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+          once_value_131 = fra.me.REG[7];
+          register_static_object(&once_value_131);
+        } else fra.me.REG[7] = once_value_131;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        REGB1 = TAG_Int(0);
+        /* ./../lib/standard//collection//array.nit:243 */
+        fra.me.REG[7] = fra.me.REG[4];
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB2 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB2)) {
+          REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+          }
+          REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+        } else {
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB0 = TAG_Bool(false);
+          REGB2 = REGB0;
+        }
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+        }
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+        REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+        /* ./../lib/standard//collection//array.nit:246 */
+        goto label132;
+        label132: while(0);
+        /* ./compiling//compiling_icode.nit:755 */
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        if (!once_value_133) {
+          fra.me.REG[7] = BOX_NativeString("))");
+          REGB1 = TAG_Int(2);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+          once_value_133 = fra.me.REG[7];
+          register_static_object(&once_value_133);
+        } else fra.me.REG[7] = once_value_133;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+        fra.me.REG[5] = fra.me.REG[6];
+      } else {
+        /* ./compiling//compiling_icode.nit:756 */
+        if (!once_value_134) {
+          if (!once_value_135) {
+            fra.me.REG[6] = BOX_NativeString("unary -");
+            REGB1 = TAG_Int(7);
+            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+            once_value_135 = fra.me.REG[6];
+            register_static_object(&once_value_135);
+          } else fra.me.REG[6] = once_value_135;
+          fra.me.REG[6] = fra.me.REG[6];
+          fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+          once_value_134 = fra.me.REG[6];
+          register_static_object(&once_value_134);
+        } else fra.me.REG[6] = once_value_134;
+        fra.me.REG[6] = fra.me.REG[6];
+        REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+          REGB1 = REGB2;
+        }
+        if (UNTAG_Bool(REGB1)) {
+          /* ./compiling//compiling_icode.nit:757 */
+          REGB1 = TAG_Int(3);
+          fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+          if (!once_value_136) {
+            fra.me.REG[7] = BOX_NativeString("BOX_Float(-UNBOX_Float(");
+            REGB1 = TAG_Int(23);
+            fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+            once_value_136 = fra.me.REG[7];
+            register_static_object(&once_value_136);
+          } else fra.me.REG[7] = once_value_136;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          REGB1 = TAG_Int(0);
+          /* ./../lib/standard//collection//array.nit:243 */
+          fra.me.REG[7] = fra.me.REG[4];
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB2 = TAG_Int(0);
+          /* ./../lib/standard//kernel.nit:213 */
+          REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+          /* ./../lib/standard//collection//array.nit:245 */
+          if (UNTAG_Bool(REGB2)) {
+            REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+            }
+            REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+            /* ./../lib/standard//kernel.nit:212 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+          } else {
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB0 = TAG_Bool(false);
+            REGB2 = REGB0;
+          }
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+          }
+          /* ./../lib/standard//collection//array.nit:246 */
+          fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+          REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+          }
+          /* ./../lib/standard//collection//array.nit:654 */
+          fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+          /* ./../lib/standard//collection//array.nit:246 */
+          goto label137;
+          label137: while(0);
+          /* ./compiling//compiling_icode.nit:757 */
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          if (!once_value_138) {
+            fra.me.REG[7] = BOX_NativeString("))");
+            REGB1 = TAG_Int(2);
+            fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+            once_value_138 = fra.me.REG[7];
+            register_static_object(&once_value_138);
+          } else fra.me.REG[7] = once_value_138;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+          fra.me.REG[5] = fra.me.REG[6];
+        } else {
+          /* ./compiling//compiling_icode.nit:758 */
+          if (!once_value_139) {
+            if (!once_value_140) {
+              fra.me.REG[6] = BOX_NativeString("output");
+              REGB1 = TAG_Int(6);
+              fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+              once_value_140 = fra.me.REG[6];
+              register_static_object(&once_value_140);
+            } else fra.me.REG[6] = once_value_140;
+            fra.me.REG[6] = fra.me.REG[6];
+            fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+            once_value_139 = fra.me.REG[6];
+            register_static_object(&once_value_139);
+          } else fra.me.REG[6] = once_value_139;
+          fra.me.REG[6] = fra.me.REG[6];
+          REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+            REGB1 = REGB2;
+          }
+          if (UNTAG_Bool(REGB1)) {
+            /* ./compiling//compiling_icode.nit:759 */
+            REGB1 = TAG_Int(3);
+            fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+            if (!once_value_141) {
+              fra.me.REG[7] = BOX_NativeString("printf(\"%f\\n\", UNBOX_Float(");
+              REGB1 = TAG_Int(27);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_141 = fra.me.REG[7];
+              register_static_object(&once_value_141);
+            } else fra.me.REG[7] = once_value_141;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            REGB1 = TAG_Int(0);
+            /* ./../lib/standard//collection//array.nit:243 */
+            fra.me.REG[7] = fra.me.REG[4];
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB2 = TAG_Int(0);
+            /* ./../lib/standard//kernel.nit:213 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+            /* ./../lib/standard//collection//array.nit:245 */
+            if (UNTAG_Bool(REGB2)) {
+              REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+              }
+              REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+              /* ./../lib/standard//kernel.nit:212 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+            } else {
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB0 = TAG_Bool(false);
+              REGB2 = REGB0;
+            }
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+            }
+            /* ./../lib/standard//collection//array.nit:246 */
+            fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+            REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+            /* ./../lib/standard//collection//array.nit:246 */
+            goto label142;
+            label142: while(0);
+            /* ./compiling//compiling_icode.nit:759 */
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            if (!once_value_143) {
+              fra.me.REG[7] = BOX_NativeString("));");
+              REGB1 = TAG_Int(3);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_143 = fra.me.REG[7];
+              register_static_object(&once_value_143);
+            } else fra.me.REG[7] = once_value_143;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+            fra.me.REG[5] = fra.me.REG[6];
+          } else {
+            /* ./compiling//compiling_icode.nit:760 */
+            if (!once_value_144) {
+              if (!once_value_145) {
+               fra.me.REG[6] = BOX_NativeString("to_i");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_145 = fra.me.REG[6];
+               register_static_object(&once_value_145);
+              } else fra.me.REG[6] = once_value_145;
+              fra.me.REG[6] = fra.me.REG[6];
+              fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+              once_value_144 = fra.me.REG[6];
+              register_static_object(&once_value_144);
+            } else fra.me.REG[6] = once_value_144;
+            fra.me.REG[6] = fra.me.REG[6];
+            REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./compiling//compiling_icode.nit:761 */
+              REGB1 = TAG_Int(3);
+              fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+              if (!once_value_146) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int((bigint)UNBOX_Float(");
+               REGB1 = TAG_Int(28);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_146 = fra.me.REG[7];
+               register_static_object(&once_value_146);
+              } else fra.me.REG[7] = once_value_146;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              REGB1 = TAG_Int(0);
+              /* ./../lib/standard//collection//array.nit:243 */
+              fra.me.REG[7] = fra.me.REG[4];
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB2 = TAG_Int(0);
+              /* ./../lib/standard//kernel.nit:213 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+              /* ./../lib/standard//collection//array.nit:245 */
+              if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+              } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+              }
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+              }
+              /* ./../lib/standard//collection//array.nit:246 */
+              fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+              REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+              }
+              /* ./../lib/standard//collection//array.nit:654 */
+              fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+              /* ./../lib/standard//collection//array.nit:246 */
+              goto label147;
+              label147: while(0);
+              /* ./compiling//compiling_icode.nit:761 */
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              if (!once_value_148) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_148 = fra.me.REG[7];
+               register_static_object(&once_value_148);
+              } else fra.me.REG[7] = once_value_148;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+              fra.me.REG[5] = fra.me.REG[6];
+            } else {
+              /* ./compiling//compiling_icode.nit:762 */
+              if (!once_value_149) {
+               if (!once_value_150) {
+               fra.me.REG[6] = BOX_NativeString("+");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_150 = fra.me.REG[6];
+               register_static_object(&once_value_150);
+               } else fra.me.REG[6] = once_value_150;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_149 = fra.me.REG[6];
+               register_static_object(&once_value_149);
+              } else fra.me.REG[6] = once_value_149;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:763 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_151) {
+               fra.me.REG[7] = BOX_NativeString("BOX_Float(UNBOX_Float(");
+               REGB1 = TAG_Int(22);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_151 = fra.me.REG[7];
+               register_static_object(&once_value_151);
+               } else fra.me.REG[7] = once_value_151;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label152;
+               label152: while(0);
+               /* ./compiling//compiling_icode.nit:763 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_153) {
+               fra.me.REG[7] = BOX_NativeString(")+UNBOX_Float(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_153 = fra.me.REG[7];
+               register_static_object(&once_value_153);
+               } else fra.me.REG[7] = once_value_153;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label154;
+               label154: while(0);
+               /* ./compiling//compiling_icode.nit:763 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_155) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_155 = fra.me.REG[7];
+               register_static_object(&once_value_155);
+               } else fra.me.REG[7] = once_value_155;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:764 */
+               if (!once_value_156) {
+               if (!once_value_157) {
+               fra.me.REG[6] = BOX_NativeString("-");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_157 = fra.me.REG[6];
+               register_static_object(&once_value_157);
+               } else fra.me.REG[6] = once_value_157;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_156 = fra.me.REG[6];
+               register_static_object(&once_value_156);
+               } else fra.me.REG[6] = once_value_156;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:765 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_158) {
+               fra.me.REG[7] = BOX_NativeString("BOX_Float(UNBOX_Float(");
+               REGB1 = TAG_Int(22);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_158 = fra.me.REG[7];
+               register_static_object(&once_value_158);
+               } else fra.me.REG[7] = once_value_158;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label159;
+               label159: while(0);
+               /* ./compiling//compiling_icode.nit:765 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_160) {
+               fra.me.REG[7] = BOX_NativeString(")-UNBOX_Float(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_160 = fra.me.REG[7];
+               register_static_object(&once_value_160);
+               } else fra.me.REG[7] = once_value_160;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label161;
+               label161: while(0);
+               /* ./compiling//compiling_icode.nit:765 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_162) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_162 = fra.me.REG[7];
+               register_static_object(&once_value_162);
+               } else fra.me.REG[7] = once_value_162;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:766 */
+               if (!once_value_163) {
+               if (!once_value_164) {
+               fra.me.REG[6] = BOX_NativeString("*");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_164 = fra.me.REG[6];
+               register_static_object(&once_value_164);
+               } else fra.me.REG[6] = once_value_164;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_163 = fra.me.REG[6];
+               register_static_object(&once_value_163);
+               } else fra.me.REG[6] = once_value_163;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:767 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_165) {
+               fra.me.REG[7] = BOX_NativeString("BOX_Float(UNBOX_Float(");
+               REGB1 = TAG_Int(22);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_165 = fra.me.REG[7];
+               register_static_object(&once_value_165);
+               } else fra.me.REG[7] = once_value_165;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label166;
+               label166: while(0);
+               /* ./compiling//compiling_icode.nit:767 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_167) {
+               fra.me.REG[7] = BOX_NativeString(")*UNBOX_Float(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_167 = fra.me.REG[7];
+               register_static_object(&once_value_167);
+               } else fra.me.REG[7] = once_value_167;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label168;
+               label168: while(0);
+               /* ./compiling//compiling_icode.nit:767 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_169) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_169 = fra.me.REG[7];
+               register_static_object(&once_value_169);
+               } else fra.me.REG[7] = once_value_169;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:768 */
+               if (!once_value_170) {
+               if (!once_value_171) {
+               fra.me.REG[6] = BOX_NativeString("/");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_171 = fra.me.REG[6];
+               register_static_object(&once_value_171);
+               } else fra.me.REG[6] = once_value_171;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_170 = fra.me.REG[6];
+               register_static_object(&once_value_170);
+               } else fra.me.REG[6] = once_value_170;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:769 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_172) {
+               fra.me.REG[7] = BOX_NativeString("BOX_Float(UNBOX_Float(");
+               REGB1 = TAG_Int(22);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_172 = fra.me.REG[7];
+               register_static_object(&once_value_172);
+               } else fra.me.REG[7] = once_value_172;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label173;
+               label173: while(0);
+               /* ./compiling//compiling_icode.nit:769 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_174) {
+               fra.me.REG[7] = BOX_NativeString(")/UNBOX_Float(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_174 = fra.me.REG[7];
+               register_static_object(&once_value_174);
+               } else fra.me.REG[7] = once_value_174;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label175;
+               label175: while(0);
+               /* ./compiling//compiling_icode.nit:769 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_176) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_176 = fra.me.REG[7];
+               register_static_object(&once_value_176);
+               } else fra.me.REG[7] = once_value_176;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:770 */
+               if (!once_value_177) {
+               if (!once_value_178) {
+               fra.me.REG[6] = BOX_NativeString("<");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_178 = fra.me.REG[6];
+               register_static_object(&once_value_178);
+               } else fra.me.REG[6] = once_value_178;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_177 = fra.me.REG[6];
+               register_static_object(&once_value_177);
+               } else fra.me.REG[6] = once_value_177;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:771 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_179) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNBOX_Float(");
+               REGB1 = TAG_Int(21);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_179 = fra.me.REG[7];
+               register_static_object(&once_value_179);
+               } else fra.me.REG[7] = once_value_179;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label180;
+               label180: while(0);
+               /* ./compiling//compiling_icode.nit:771 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_181) {
+               fra.me.REG[7] = BOX_NativeString(")<UNBOX_Float(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_181 = fra.me.REG[7];
+               register_static_object(&once_value_181);
+               } else fra.me.REG[7] = once_value_181;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label182;
+               label182: while(0);
+               /* ./compiling//compiling_icode.nit:771 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_183) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_183 = fra.me.REG[7];
+               register_static_object(&once_value_183);
+               } else fra.me.REG[7] = once_value_183;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:772 */
+               if (!once_value_184) {
+               if (!once_value_185) {
+               fra.me.REG[6] = BOX_NativeString(">");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_185 = fra.me.REG[6];
+               register_static_object(&once_value_185);
+               } else fra.me.REG[6] = once_value_185;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_184 = fra.me.REG[6];
+               register_static_object(&once_value_184);
+               } else fra.me.REG[6] = once_value_184;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:773 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_186) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNBOX_Float(");
+               REGB1 = TAG_Int(21);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_186 = fra.me.REG[7];
+               register_static_object(&once_value_186);
+               } else fra.me.REG[7] = once_value_186;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label187;
+               label187: while(0);
+               /* ./compiling//compiling_icode.nit:773 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_188) {
+               fra.me.REG[7] = BOX_NativeString(")>UNBOX_Float(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_188 = fra.me.REG[7];
+               register_static_object(&once_value_188);
+               } else fra.me.REG[7] = once_value_188;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label189;
+               label189: while(0);
+               /* ./compiling//compiling_icode.nit:773 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_190) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_190 = fra.me.REG[7];
+               register_static_object(&once_value_190);
+               } else fra.me.REG[7] = once_value_190;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:774 */
+               if (!once_value_191) {
+               if (!once_value_192) {
+               fra.me.REG[6] = BOX_NativeString("<=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_192 = fra.me.REG[6];
+               register_static_object(&once_value_192);
+               } else fra.me.REG[6] = once_value_192;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_191 = fra.me.REG[6];
+               register_static_object(&once_value_191);
+               } else fra.me.REG[6] = once_value_191;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:775 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_193) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNBOX_Float(");
+               REGB1 = TAG_Int(21);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_193 = fra.me.REG[7];
+               register_static_object(&once_value_193);
+               } else fra.me.REG[7] = once_value_193;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label194;
+               label194: while(0);
+               /* ./compiling//compiling_icode.nit:775 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_195) {
+               fra.me.REG[7] = BOX_NativeString(")<=UNBOX_Float(");
+               REGB1 = TAG_Int(15);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_195 = fra.me.REG[7];
+               register_static_object(&once_value_195);
+               } else fra.me.REG[7] = once_value_195;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label196;
+               label196: while(0);
+               /* ./compiling//compiling_icode.nit:775 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_197) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_197 = fra.me.REG[7];
+               register_static_object(&once_value_197);
+               } else fra.me.REG[7] = once_value_197;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:776 */
+               if (!once_value_198) {
+               if (!once_value_199) {
+               fra.me.REG[6] = BOX_NativeString(">=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_199 = fra.me.REG[6];
+               register_static_object(&once_value_199);
+               } else fra.me.REG[6] = once_value_199;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_198 = fra.me.REG[6];
+               register_static_object(&once_value_198);
+               } else fra.me.REG[6] = once_value_198;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:777 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_200) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNBOX_Float(");
+               REGB1 = TAG_Int(21);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_200 = fra.me.REG[7];
+               register_static_object(&once_value_200);
+               } else fra.me.REG[7] = once_value_200;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label201;
+               label201: while(0);
+               /* ./compiling//compiling_icode.nit:777 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_202) {
+               fra.me.REG[7] = BOX_NativeString(")>=UNBOX_Float(");
+               REGB1 = TAG_Int(15);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_202 = fra.me.REG[7];
+               register_static_object(&once_value_202);
+               } else fra.me.REG[7] = once_value_202;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label203;
+               label203: while(0);
+               /* ./compiling//compiling_icode.nit:777 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_204) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_204 = fra.me.REG[7];
+               register_static_object(&once_value_204);
+               } else fra.me.REG[7] = once_value_204;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+              }
+            }
+          }
+        }
+      }
+    } else {
+      /* ./compiling//compiling_icode.nit:779 */
+      if (!once_value_205) {
+        if (!once_value_206) {
+          fra.me.REG[6] = BOX_NativeString("Char");
+          REGB1 = TAG_Int(4);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+          once_value_206 = fra.me.REG[6];
+          register_static_object(&once_value_206);
+        } else fra.me.REG[6] = once_value_206;
+        fra.me.REG[6] = fra.me.REG[6];
+        fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+        once_value_205 = fra.me.REG[6];
+        register_static_object(&once_value_205);
+      } else fra.me.REG[6] = once_value_205;
+      fra.me.REG[6] = fra.me.REG[6];
+      REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[6]));
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+        REGB1 = REGB2;
+      }
+      if (UNTAG_Bool(REGB1)) {
+        /* ./compiling//compiling_icode.nit:780 */
+        if (!once_value_207) {
+          if (!once_value_208) {
+            fra.me.REG[6] = BOX_NativeString("object_id");
+            REGB1 = TAG_Int(9);
+            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+            once_value_208 = fra.me.REG[6];
+            register_static_object(&once_value_208);
+          } else fra.me.REG[6] = once_value_208;
+          fra.me.REG[6] = fra.me.REG[6];
+          fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+          once_value_207 = fra.me.REG[6];
+          register_static_object(&once_value_207);
+        } else fra.me.REG[6] = once_value_207;
+        fra.me.REG[6] = fra.me.REG[6];
+        REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+          REGB1 = REGB2;
+        }
+        if (UNTAG_Bool(REGB1)) {
+          /* ./compiling//compiling_icode.nit:781 */
+          REGB1 = TAG_Int(3);
+          fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+          if (!once_value_209) {
+            fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Char(");
+            REGB1 = TAG_Int(19);
+            fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+            once_value_209 = fra.me.REG[7];
+            register_static_object(&once_value_209);
+          } else fra.me.REG[7] = once_value_209;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          REGB1 = TAG_Int(0);
+          /* ./../lib/standard//collection//array.nit:243 */
+          fra.me.REG[7] = fra.me.REG[4];
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB2 = TAG_Int(0);
+          /* ./../lib/standard//kernel.nit:213 */
+          REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+          /* ./../lib/standard//collection//array.nit:245 */
+          if (UNTAG_Bool(REGB2)) {
+            REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+            }
+            REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+            /* ./../lib/standard//kernel.nit:212 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+          } else {
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB0 = TAG_Bool(false);
+            REGB2 = REGB0;
+          }
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+          }
+          /* ./../lib/standard//collection//array.nit:246 */
+          fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+          REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+          }
+          /* ./../lib/standard//collection//array.nit:654 */
+          fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+          /* ./../lib/standard//collection//array.nit:246 */
+          goto label210;
+          label210: while(0);
+          /* ./compiling//compiling_icode.nit:781 */
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          if (!once_value_211) {
+            fra.me.REG[7] = BOX_NativeString("))");
+            REGB1 = TAG_Int(2);
+            fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+            once_value_211 = fra.me.REG[7];
+            register_static_object(&once_value_211);
+          } else fra.me.REG[7] = once_value_211;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+          fra.me.REG[5] = fra.me.REG[6];
+        } else {
+          /* ./compiling//compiling_icode.nit:782 */
+          if (!once_value_212) {
+            if (!once_value_213) {
+              fra.me.REG[6] = BOX_NativeString("unary -");
+              REGB1 = TAG_Int(7);
+              fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+              once_value_213 = fra.me.REG[6];
+              register_static_object(&once_value_213);
+            } else fra.me.REG[6] = once_value_213;
+            fra.me.REG[6] = fra.me.REG[6];
+            fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+            once_value_212 = fra.me.REG[6];
+            register_static_object(&once_value_212);
+          } else fra.me.REG[6] = once_value_212;
+          fra.me.REG[6] = fra.me.REG[6];
+          REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+            REGB1 = REGB2;
+          }
+          if (UNTAG_Bool(REGB1)) {
+            /* ./compiling//compiling_icode.nit:783 */
+            REGB1 = TAG_Int(3);
+            fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+            if (!once_value_214) {
+              fra.me.REG[7] = BOX_NativeString("TAG_Char(-UNTAG_Char(");
+              REGB1 = TAG_Int(21);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_214 = fra.me.REG[7];
+              register_static_object(&once_value_214);
+            } else fra.me.REG[7] = once_value_214;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            REGB1 = TAG_Int(0);
+            /* ./../lib/standard//collection//array.nit:243 */
+            fra.me.REG[7] = fra.me.REG[4];
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB2 = TAG_Int(0);
+            /* ./../lib/standard//kernel.nit:213 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+            /* ./../lib/standard//collection//array.nit:245 */
+            if (UNTAG_Bool(REGB2)) {
+              REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+              }
+              REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+              /* ./../lib/standard//kernel.nit:212 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+            } else {
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB0 = TAG_Bool(false);
+              REGB2 = REGB0;
+            }
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+            }
+            /* ./../lib/standard//collection//array.nit:246 */
+            fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+            REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+            /* ./../lib/standard//collection//array.nit:246 */
+            goto label215;
+            label215: while(0);
+            /* ./compiling//compiling_icode.nit:783 */
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            if (!once_value_216) {
+              fra.me.REG[7] = BOX_NativeString("))");
+              REGB1 = TAG_Int(2);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_216 = fra.me.REG[7];
+              register_static_object(&once_value_216);
+            } else fra.me.REG[7] = once_value_216;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+            fra.me.REG[5] = fra.me.REG[6];
+          } else {
+            /* ./compiling//compiling_icode.nit:784 */
+            if (!once_value_217) {
+              if (!once_value_218) {
+               fra.me.REG[6] = BOX_NativeString("output");
+               REGB1 = TAG_Int(6);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_218 = fra.me.REG[6];
+               register_static_object(&once_value_218);
+              } else fra.me.REG[6] = once_value_218;
+              fra.me.REG[6] = fra.me.REG[6];
+              fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+              once_value_217 = fra.me.REG[6];
+              register_static_object(&once_value_217);
+            } else fra.me.REG[6] = once_value_217;
+            fra.me.REG[6] = fra.me.REG[6];
+            REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./compiling//compiling_icode.nit:785 */
+              REGB1 = TAG_Int(3);
+              fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+              if (!once_value_219) {
+               fra.me.REG[7] = BOX_NativeString("printf(\"%c\", (unsigned char)UNTAG_Char(");
+               REGB1 = TAG_Int(39);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_219 = fra.me.REG[7];
+               register_static_object(&once_value_219);
+              } else fra.me.REG[7] = once_value_219;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              REGB1 = TAG_Int(0);
+              /* ./../lib/standard//collection//array.nit:243 */
+              fra.me.REG[7] = fra.me.REG[4];
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB2 = TAG_Int(0);
+              /* ./../lib/standard//kernel.nit:213 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+              /* ./../lib/standard//collection//array.nit:245 */
+              if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+              } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+              }
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+              }
+              /* ./../lib/standard//collection//array.nit:246 */
+              fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+              REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+              }
+              /* ./../lib/standard//collection//array.nit:654 */
+              fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+              /* ./../lib/standard//collection//array.nit:246 */
+              goto label220;
+              label220: while(0);
+              /* ./compiling//compiling_icode.nit:785 */
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              if (!once_value_221) {
+               fra.me.REG[7] = BOX_NativeString("));");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_221 = fra.me.REG[7];
+               register_static_object(&once_value_221);
+              } else fra.me.REG[7] = once_value_221;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+              fra.me.REG[5] = fra.me.REG[6];
+            } else {
+              /* ./compiling//compiling_icode.nit:786 */
+              if (!once_value_222) {
+               if (!once_value_223) {
+               fra.me.REG[6] = BOX_NativeString("ascii");
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_223 = fra.me.REG[6];
+               register_static_object(&once_value_223);
+               } else fra.me.REG[6] = once_value_223;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_222 = fra.me.REG[6];
+               register_static_object(&once_value_222);
+              } else fra.me.REG[6] = once_value_222;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:787 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_224) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int((unsigned char)UNTAG_Char(");
+               REGB1 = TAG_Int(34);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_224 = fra.me.REG[7];
+               register_static_object(&once_value_224);
+               } else fra.me.REG[7] = once_value_224;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label225;
+               label225: while(0);
+               /* ./compiling//compiling_icode.nit:787 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_226) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_226 = fra.me.REG[7];
+               register_static_object(&once_value_226);
+               } else fra.me.REG[7] = once_value_226;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:788 */
+               if (!once_value_227) {
+               if (!once_value_228) {
+               fra.me.REG[6] = BOX_NativeString("succ");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_228 = fra.me.REG[6];
+               register_static_object(&once_value_228);
+               } else fra.me.REG[6] = once_value_228;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_227 = fra.me.REG[6];
+               register_static_object(&once_value_227);
+               } else fra.me.REG[6] = once_value_227;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:789 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_229) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_229 = fra.me.REG[7];
+               register_static_object(&once_value_229);
+               } else fra.me.REG[7] = once_value_229;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label230;
+               label230: while(0);
+               /* ./compiling//compiling_icode.nit:789 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_231) {
+               fra.me.REG[7] = BOX_NativeString(")+1)");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_231 = fra.me.REG[7];
+               register_static_object(&once_value_231);
+               } else fra.me.REG[7] = once_value_231;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:790 */
+               if (!once_value_232) {
+               if (!once_value_233) {
+               fra.me.REG[6] = BOX_NativeString("prec");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_233 = fra.me.REG[6];
+               register_static_object(&once_value_233);
+               } else fra.me.REG[6] = once_value_233;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_232 = fra.me.REG[6];
+               register_static_object(&once_value_232);
+               } else fra.me.REG[6] = once_value_232;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:791 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_234) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_234 = fra.me.REG[7];
+               register_static_object(&once_value_234);
+               } else fra.me.REG[7] = once_value_234;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label235;
+               label235: while(0);
+               /* ./compiling//compiling_icode.nit:791 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_236) {
+               fra.me.REG[7] = BOX_NativeString(")-1)");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_236 = fra.me.REG[7];
+               register_static_object(&once_value_236);
+               } else fra.me.REG[7] = once_value_236;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:792 */
+               if (!once_value_237) {
+               if (!once_value_238) {
+               fra.me.REG[6] = BOX_NativeString("to_i");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_238 = fra.me.REG[6];
+               register_static_object(&once_value_238);
+               } else fra.me.REG[6] = once_value_238;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_237 = fra.me.REG[6];
+               register_static_object(&once_value_237);
+               } else fra.me.REG[6] = once_value_237;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:793 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_239) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Char(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_239 = fra.me.REG[7];
+               register_static_object(&once_value_239);
+               } else fra.me.REG[7] = once_value_239;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label240;
+               label240: while(0);
+               /* ./compiling//compiling_icode.nit:793 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_241) {
+               fra.me.REG[7] = BOX_NativeString(")-'0')");
+               REGB1 = TAG_Int(6);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_241 = fra.me.REG[7];
+               register_static_object(&once_value_241);
+               } else fra.me.REG[7] = once_value_241;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:794 */
+               if (!once_value_242) {
+               if (!once_value_243) {
+               fra.me.REG[6] = BOX_NativeString("+");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_243 = fra.me.REG[6];
+               register_static_object(&once_value_243);
+               } else fra.me.REG[6] = once_value_243;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_242 = fra.me.REG[6];
+               register_static_object(&once_value_242);
+               } else fra.me.REG[6] = once_value_242;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:795 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_244) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_244 = fra.me.REG[7];
+               register_static_object(&once_value_244);
+               } else fra.me.REG[7] = once_value_244;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label245;
+               label245: while(0);
+               /* ./compiling//compiling_icode.nit:795 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_246) {
+               fra.me.REG[7] = BOX_NativeString(")+UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_246 = fra.me.REG[7];
+               register_static_object(&once_value_246);
+               } else fra.me.REG[7] = once_value_246;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label247;
+               label247: while(0);
+               /* ./compiling//compiling_icode.nit:795 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_248) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_248 = fra.me.REG[7];
+               register_static_object(&once_value_248);
+               } else fra.me.REG[7] = once_value_248;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:796 */
+               if (!once_value_249) {
+               if (!once_value_250) {
+               fra.me.REG[6] = BOX_NativeString("-");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_250 = fra.me.REG[6];
+               register_static_object(&once_value_250);
+               } else fra.me.REG[6] = once_value_250;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_249 = fra.me.REG[6];
+               register_static_object(&once_value_249);
+               } else fra.me.REG[6] = once_value_249;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:797 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_251) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_251 = fra.me.REG[7];
+               register_static_object(&once_value_251);
+               } else fra.me.REG[7] = once_value_251;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label252;
+               label252: while(0);
+               /* ./compiling//compiling_icode.nit:797 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_253) {
+               fra.me.REG[7] = BOX_NativeString(")-UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_253 = fra.me.REG[7];
+               register_static_object(&once_value_253);
+               } else fra.me.REG[7] = once_value_253;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label254;
+               label254: while(0);
+               /* ./compiling//compiling_icode.nit:797 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_255) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_255 = fra.me.REG[7];
+               register_static_object(&once_value_255);
+               } else fra.me.REG[7] = once_value_255;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:798 */
+               if (!once_value_256) {
+               if (!once_value_257) {
+               fra.me.REG[6] = BOX_NativeString("*");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_257 = fra.me.REG[6];
+               register_static_object(&once_value_257);
+               } else fra.me.REG[6] = once_value_257;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_256 = fra.me.REG[6];
+               register_static_object(&once_value_256);
+               } else fra.me.REG[6] = once_value_256;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:799 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_258) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_258 = fra.me.REG[7];
+               register_static_object(&once_value_258);
+               } else fra.me.REG[7] = once_value_258;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label259;
+               label259: while(0);
+               /* ./compiling//compiling_icode.nit:799 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_260) {
+               fra.me.REG[7] = BOX_NativeString(")*UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_260 = fra.me.REG[7];
+               register_static_object(&once_value_260);
+               } else fra.me.REG[7] = once_value_260;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label261;
+               label261: while(0);
+               /* ./compiling//compiling_icode.nit:799 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_262) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_262 = fra.me.REG[7];
+               register_static_object(&once_value_262);
+               } else fra.me.REG[7] = once_value_262;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:800 */
+               if (!once_value_263) {
+               if (!once_value_264) {
+               fra.me.REG[6] = BOX_NativeString("/");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_264 = fra.me.REG[6];
+               register_static_object(&once_value_264);
+               } else fra.me.REG[6] = once_value_264;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_263 = fra.me.REG[6];
+               register_static_object(&once_value_263);
+               } else fra.me.REG[6] = once_value_263;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:801 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_265) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_265 = fra.me.REG[7];
+               register_static_object(&once_value_265);
+               } else fra.me.REG[7] = once_value_265;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label266;
+               label266: while(0);
+               /* ./compiling//compiling_icode.nit:801 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_267) {
+               fra.me.REG[7] = BOX_NativeString(")/UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_267 = fra.me.REG[7];
+               register_static_object(&once_value_267);
+               } else fra.me.REG[7] = once_value_267;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label268;
+               label268: while(0);
+               /* ./compiling//compiling_icode.nit:801 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_269) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_269 = fra.me.REG[7];
+               register_static_object(&once_value_269);
+               } else fra.me.REG[7] = once_value_269;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:802 */
+               if (!once_value_270) {
+               if (!once_value_271) {
+               fra.me.REG[6] = BOX_NativeString("%");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_271 = fra.me.REG[6];
+               register_static_object(&once_value_271);
+               } else fra.me.REG[6] = once_value_271;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_270 = fra.me.REG[6];
+               register_static_object(&once_value_270);
+               } else fra.me.REG[6] = once_value_270;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:803 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_272) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Char(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_272 = fra.me.REG[7];
+               register_static_object(&once_value_272);
+               } else fra.me.REG[7] = once_value_272;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label273;
+               label273: while(0);
+               /* ./compiling//compiling_icode.nit:803 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_274) {
+               fra.me.REG[7] = BOX_NativeString(")%UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_274 = fra.me.REG[7];
+               register_static_object(&once_value_274);
+               } else fra.me.REG[7] = once_value_274;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label275;
+               label275: while(0);
+               /* ./compiling//compiling_icode.nit:803 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_276) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_276 = fra.me.REG[7];
+               register_static_object(&once_value_276);
+               } else fra.me.REG[7] = once_value_276;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:804 */
+               if (!once_value_277) {
+               if (!once_value_278) {
+               fra.me.REG[6] = BOX_NativeString("<");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_278 = fra.me.REG[6];
+               register_static_object(&once_value_278);
+               } else fra.me.REG[6] = once_value_278;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_277 = fra.me.REG[6];
+               register_static_object(&once_value_277);
+               } else fra.me.REG[6] = once_value_277;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:805 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_279) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_279 = fra.me.REG[7];
+               register_static_object(&once_value_279);
+               } else fra.me.REG[7] = once_value_279;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label280;
+               label280: while(0);
+               /* ./compiling//compiling_icode.nit:805 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_281) {
+               fra.me.REG[7] = BOX_NativeString(")<UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_281 = fra.me.REG[7];
+               register_static_object(&once_value_281);
+               } else fra.me.REG[7] = once_value_281;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label282;
+               label282: while(0);
+               /* ./compiling//compiling_icode.nit:805 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_283) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_283 = fra.me.REG[7];
+               register_static_object(&once_value_283);
+               } else fra.me.REG[7] = once_value_283;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:806 */
+               if (!once_value_284) {
+               if (!once_value_285) {
+               fra.me.REG[6] = BOX_NativeString(">");
+               REGB1 = TAG_Int(1);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_285 = fra.me.REG[6];
+               register_static_object(&once_value_285);
+               } else fra.me.REG[6] = once_value_285;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_284 = fra.me.REG[6];
+               register_static_object(&once_value_284);
+               } else fra.me.REG[6] = once_value_284;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:807 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_286) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_286 = fra.me.REG[7];
+               register_static_object(&once_value_286);
+               } else fra.me.REG[7] = once_value_286;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label287;
+               label287: while(0);
+               /* ./compiling//compiling_icode.nit:807 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_288) {
+               fra.me.REG[7] = BOX_NativeString(")>UNTAG_Char(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_288 = fra.me.REG[7];
+               register_static_object(&once_value_288);
+               } else fra.me.REG[7] = once_value_288;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label289;
+               label289: while(0);
+               /* ./compiling//compiling_icode.nit:807 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_290) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_290 = fra.me.REG[7];
+               register_static_object(&once_value_290);
+               } else fra.me.REG[7] = once_value_290;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:808 */
+               if (!once_value_291) {
+               if (!once_value_292) {
+               fra.me.REG[6] = BOX_NativeString("<=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_292 = fra.me.REG[6];
+               register_static_object(&once_value_292);
+               } else fra.me.REG[6] = once_value_292;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_291 = fra.me.REG[6];
+               register_static_object(&once_value_291);
+               } else fra.me.REG[6] = once_value_291;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:809 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_293) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_293 = fra.me.REG[7];
+               register_static_object(&once_value_293);
+               } else fra.me.REG[7] = once_value_293;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label294;
+               label294: while(0);
+               /* ./compiling//compiling_icode.nit:809 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_295) {
+               fra.me.REG[7] = BOX_NativeString(")<=UNTAG_Char(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_295 = fra.me.REG[7];
+               register_static_object(&once_value_295);
+               } else fra.me.REG[7] = once_value_295;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label296;
+               label296: while(0);
+               /* ./compiling//compiling_icode.nit:809 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_297) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_297 = fra.me.REG[7];
+               register_static_object(&once_value_297);
+               } else fra.me.REG[7] = once_value_297;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:810 */
+               if (!once_value_298) {
+               if (!once_value_299) {
+               fra.me.REG[6] = BOX_NativeString(">=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_299 = fra.me.REG[6];
+               register_static_object(&once_value_299);
+               } else fra.me.REG[6] = once_value_299;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_298 = fra.me.REG[6];
+               register_static_object(&once_value_298);
+               } else fra.me.REG[6] = once_value_298;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:811 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_300) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Char(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_300 = fra.me.REG[7];
+               register_static_object(&once_value_300);
+               } else fra.me.REG[7] = once_value_300;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label301;
+               label301: while(0);
+               /* ./compiling//compiling_icode.nit:811 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_302) {
+               fra.me.REG[7] = BOX_NativeString(")>=UNTAG_Char(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_302 = fra.me.REG[7];
+               register_static_object(&once_value_302);
+               } else fra.me.REG[7] = once_value_302;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label303;
+               label303: while(0);
+               /* ./compiling//compiling_icode.nit:811 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_304) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_304 = fra.me.REG[7];
+               register_static_object(&once_value_304);
+               } else fra.me.REG[7] = once_value_304;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:812 */
+               if (!once_value_305) {
+               if (!once_value_306) {
+               fra.me.REG[6] = BOX_NativeString("==");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_306 = fra.me.REG[6];
+               register_static_object(&once_value_306);
+               } else fra.me.REG[6] = once_value_306;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_305 = fra.me.REG[6];
+               register_static_object(&once_value_305);
+               } else fra.me.REG[6] = once_value_305;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:813 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_307) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool((");
+               REGB1 = TAG_Int(10);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_307 = fra.me.REG[7];
+               register_static_object(&once_value_307);
+               } else fra.me.REG[7] = once_value_307;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label308;
+               label308: while(0);
+               /* ./compiling//compiling_icode.nit:813 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_309) {
+               fra.me.REG[7] = BOX_NativeString(")==(");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_309 = fra.me.REG[7];
+               register_static_object(&once_value_309);
+               } else fra.me.REG[7] = once_value_309;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label310;
+               label310: while(0);
+               /* ./compiling//compiling_icode.nit:813 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_311) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_311 = fra.me.REG[7];
+               register_static_object(&once_value_311);
+               } else fra.me.REG[7] = once_value_311;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:814 */
+               if (!once_value_312) {
+               if (!once_value_313) {
+               fra.me.REG[6] = BOX_NativeString("!=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_313 = fra.me.REG[6];
+               register_static_object(&once_value_313);
+               } else fra.me.REG[6] = once_value_313;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_312 = fra.me.REG[6];
+               register_static_object(&once_value_312);
+               } else fra.me.REG[6] = once_value_312;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:815 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_314) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool((");
+               REGB1 = TAG_Int(10);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_314 = fra.me.REG[7];
+               register_static_object(&once_value_314);
+               } else fra.me.REG[7] = once_value_314;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label315;
+               label315: while(0);
+               /* ./compiling//compiling_icode.nit:815 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_316) {
+               fra.me.REG[7] = BOX_NativeString(")!=(");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_316 = fra.me.REG[7];
+               register_static_object(&once_value_316);
+               } else fra.me.REG[7] = once_value_316;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label317;
+               label317: while(0);
+               /* ./compiling//compiling_icode.nit:815 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_318) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_318 = fra.me.REG[7];
+               register_static_object(&once_value_318);
+               } else fra.me.REG[7] = once_value_318;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+               }
+              }
+            }
+          }
+        }
+      } else {
+        /* ./compiling//compiling_icode.nit:817 */
+        if (!once_value_319) {
+          if (!once_value_320) {
+            fra.me.REG[6] = BOX_NativeString("Bool");
+            REGB1 = TAG_Int(4);
+            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+            once_value_320 = fra.me.REG[6];
+            register_static_object(&once_value_320);
+          } else fra.me.REG[6] = once_value_320;
+          fra.me.REG[6] = fra.me.REG[6];
+          fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+          once_value_319 = fra.me.REG[6];
+          register_static_object(&once_value_319);
+        } else fra.me.REG[6] = once_value_319;
+        fra.me.REG[6] = fra.me.REG[6];
+        REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[6]));
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+          REGB1 = REGB2;
+        }
+        if (UNTAG_Bool(REGB1)) {
+          /* ./compiling//compiling_icode.nit:818 */
+          if (!once_value_321) {
+            if (!once_value_322) {
+              fra.me.REG[6] = BOX_NativeString("object_id");
+              REGB1 = TAG_Int(9);
+              fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+              once_value_322 = fra.me.REG[6];
+              register_static_object(&once_value_322);
+            } else fra.me.REG[6] = once_value_322;
+            fra.me.REG[6] = fra.me.REG[6];
+            fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+            once_value_321 = fra.me.REG[6];
+            register_static_object(&once_value_321);
+          } else fra.me.REG[6] = once_value_321;
+          fra.me.REG[6] = fra.me.REG[6];
+          REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+            REGB1 = REGB2;
+          }
+          if (UNTAG_Bool(REGB1)) {
+            /* ./compiling//compiling_icode.nit:819 */
+            REGB1 = TAG_Int(3);
+            fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+            if (!once_value_323) {
+              fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Bool(");
+              REGB1 = TAG_Int(19);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_323 = fra.me.REG[7];
+              register_static_object(&once_value_323);
+            } else fra.me.REG[7] = once_value_323;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            REGB1 = TAG_Int(0);
+            /* ./../lib/standard//collection//array.nit:243 */
+            fra.me.REG[7] = fra.me.REG[4];
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB2 = TAG_Int(0);
+            /* ./../lib/standard//kernel.nit:213 */
+            REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+            /* ./../lib/standard//collection//array.nit:245 */
+            if (UNTAG_Bool(REGB2)) {
+              REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+              }
+              REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+              /* ./../lib/standard//kernel.nit:212 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+            } else {
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB0 = TAG_Bool(false);
+              REGB2 = REGB0;
+            }
+            if (UNTAG_Bool(REGB2)) {
+            } else {
+              nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+            }
+            /* ./../lib/standard//collection//array.nit:246 */
+            fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+            REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+            /* ./../lib/standard//collection//array.nit:246 */
+            goto label324;
+            label324: while(0);
+            /* ./compiling//compiling_icode.nit:819 */
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            if (!once_value_325) {
+              fra.me.REG[7] = BOX_NativeString("))");
+              REGB1 = TAG_Int(2);
+              fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+              once_value_325 = fra.me.REG[7];
+              register_static_object(&once_value_325);
+            } else fra.me.REG[7] = once_value_325;
+            fra.me.REG[7] = fra.me.REG[7];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+            fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+            fra.me.REG[5] = fra.me.REG[6];
+          } else {
+            /* ./compiling//compiling_icode.nit:820 */
+            if (!once_value_326) {
+              if (!once_value_327) {
+               fra.me.REG[6] = BOX_NativeString("unary -");
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_327 = fra.me.REG[6];
+               register_static_object(&once_value_327);
+              } else fra.me.REG[6] = once_value_327;
+              fra.me.REG[6] = fra.me.REG[6];
+              fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+              once_value_326 = fra.me.REG[6];
+              register_static_object(&once_value_326);
+            } else fra.me.REG[6] = once_value_326;
+            fra.me.REG[6] = fra.me.REG[6];
+            REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./compiling//compiling_icode.nit:821 */
+              REGB1 = TAG_Int(3);
+              fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+              if (!once_value_328) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(-UNTAG_Bool(");
+               REGB1 = TAG_Int(21);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_328 = fra.me.REG[7];
+               register_static_object(&once_value_328);
+              } else fra.me.REG[7] = once_value_328;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              REGB1 = TAG_Int(0);
+              /* ./../lib/standard//collection//array.nit:243 */
+              fra.me.REG[7] = fra.me.REG[4];
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB2 = TAG_Int(0);
+              /* ./../lib/standard//kernel.nit:213 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+              /* ./../lib/standard//collection//array.nit:245 */
+              if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+              } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+              }
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+              }
+              /* ./../lib/standard//collection//array.nit:246 */
+              fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+              REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+              }
+              /* ./../lib/standard//collection//array.nit:654 */
+              fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+              /* ./../lib/standard//collection//array.nit:246 */
+              goto label329;
+              label329: while(0);
+              /* ./compiling//compiling_icode.nit:821 */
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              if (!once_value_330) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_330 = fra.me.REG[7];
+               register_static_object(&once_value_330);
+              } else fra.me.REG[7] = once_value_330;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+              fra.me.REG[5] = fra.me.REG[6];
+            } else {
+              /* ./compiling//compiling_icode.nit:822 */
+              if (!once_value_331) {
+               if (!once_value_332) {
+               fra.me.REG[6] = BOX_NativeString("output");
+               REGB1 = TAG_Int(6);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_332 = fra.me.REG[6];
+               register_static_object(&once_value_332);
+               } else fra.me.REG[6] = once_value_332;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_331 = fra.me.REG[6];
+               register_static_object(&once_value_331);
+              } else fra.me.REG[6] = once_value_331;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:823 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_333) {
+               fra.me.REG[7] = BOX_NativeString("(void)printf(UNTAG_Bool(");
+               REGB1 = TAG_Int(24);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_333 = fra.me.REG[7];
+               register_static_object(&once_value_333);
+               } else fra.me.REG[7] = once_value_333;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label334;
+               label334: while(0);
+               /* ./compiling//compiling_icode.nit:823 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_335) {
+               fra.me.REG[7] = BOX_NativeString(")?\"true\\n\":\"false\\n\");");
+               REGB1 = TAG_Int(22);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_335 = fra.me.REG[7];
+               register_static_object(&once_value_335);
+               } else fra.me.REG[7] = once_value_335;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:824 */
+               if (!once_value_336) {
+               if (!once_value_337) {
+               fra.me.REG[6] = BOX_NativeString("ascii");
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_337 = fra.me.REG[6];
+               register_static_object(&once_value_337);
+               } else fra.me.REG[6] = once_value_337;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_336 = fra.me.REG[6];
+               register_static_object(&once_value_336);
+               } else fra.me.REG[6] = once_value_336;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:825 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_338) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool(UNTAG_Bool(");
+               REGB1 = TAG_Int(20);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_338 = fra.me.REG[7];
+               register_static_object(&once_value_338);
+               } else fra.me.REG[7] = once_value_338;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label339;
+               label339: while(0);
+               /* ./compiling//compiling_icode.nit:825 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_340) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_340 = fra.me.REG[7];
+               register_static_object(&once_value_340);
+               } else fra.me.REG[7] = once_value_340;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:826 */
+               if (!once_value_341) {
+               if (!once_value_342) {
+               fra.me.REG[6] = BOX_NativeString("to_i");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_342 = fra.me.REG[6];
+               register_static_object(&once_value_342);
+               } else fra.me.REG[6] = once_value_342;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_341 = fra.me.REG[6];
+               register_static_object(&once_value_341);
+               } else fra.me.REG[6] = once_value_341;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:827 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_343) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(UNTAG_Bool(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_343 = fra.me.REG[7];
+               register_static_object(&once_value_343);
+               } else fra.me.REG[7] = once_value_343;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label344;
+               label344: while(0);
+               /* ./compiling//compiling_icode.nit:827 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_345) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_345 = fra.me.REG[7];
+               register_static_object(&once_value_345);
+               } else fra.me.REG[7] = once_value_345;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:828 */
+               if (!once_value_346) {
+               if (!once_value_347) {
+               fra.me.REG[6] = BOX_NativeString("==");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_347 = fra.me.REG[6];
+               register_static_object(&once_value_347);
+               } else fra.me.REG[6] = once_value_347;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_346 = fra.me.REG[6];
+               register_static_object(&once_value_346);
+               } else fra.me.REG[6] = once_value_346;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:829 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_348) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool((");
+               REGB1 = TAG_Int(10);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_348 = fra.me.REG[7];
+               register_static_object(&once_value_348);
+               } else fra.me.REG[7] = once_value_348;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label349;
+               label349: while(0);
+               /* ./compiling//compiling_icode.nit:829 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_350) {
+               fra.me.REG[7] = BOX_NativeString(")==(");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_350 = fra.me.REG[7];
+               register_static_object(&once_value_350);
+               } else fra.me.REG[7] = once_value_350;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label351;
+               label351: while(0);
+               /* ./compiling//compiling_icode.nit:829 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_352) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_352 = fra.me.REG[7];
+               register_static_object(&once_value_352);
+               } else fra.me.REG[7] = once_value_352;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:830 */
+               if (!once_value_353) {
+               if (!once_value_354) {
+               fra.me.REG[6] = BOX_NativeString("!=");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_354 = fra.me.REG[6];
+               register_static_object(&once_value_354);
+               } else fra.me.REG[6] = once_value_354;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_353 = fra.me.REG[6];
+               register_static_object(&once_value_353);
+               } else fra.me.REG[6] = once_value_353;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:831 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_355) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Bool((");
+               REGB1 = TAG_Int(10);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_355 = fra.me.REG[7];
+               register_static_object(&once_value_355);
+               } else fra.me.REG[7] = once_value_355;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label356;
+               label356: while(0);
+               /* ./compiling//compiling_icode.nit:831 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_357) {
+               fra.me.REG[7] = BOX_NativeString(")!=(");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_357 = fra.me.REG[7];
+               register_static_object(&once_value_357);
+               } else fra.me.REG[7] = once_value_357;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label358;
+               label358: while(0);
+               /* ./compiling//compiling_icode.nit:831 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_359) {
+               fra.me.REG[7] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_359 = fra.me.REG[7];
+               register_static_object(&once_value_359);
+               } else fra.me.REG[7] = once_value_359;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+               }
+               }
+              }
+            }
+          }
+        } else {
+          /* ./compiling//compiling_icode.nit:833 */
+          if (!once_value_360) {
+            if (!once_value_361) {
+              fra.me.REG[6] = BOX_NativeString("NativeArray");
+              REGB1 = TAG_Int(11);
+              fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+              once_value_361 = fra.me.REG[6];
+              register_static_object(&once_value_361);
+            } else fra.me.REG[6] = once_value_361;
+            fra.me.REG[6] = fra.me.REG[6];
+            fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+            once_value_360 = fra.me.REG[6];
+            register_static_object(&once_value_360);
+          } else fra.me.REG[6] = once_value_360;
+          fra.me.REG[6] = fra.me.REG[6];
+          REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[6]));
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+            REGB1 = REGB2;
+          }
+          if (UNTAG_Bool(REGB1)) {
+            /* ./compiling//compiling_icode.nit:834 */
+            if (!once_value_362) {
+              if (!once_value_363) {
+               fra.me.REG[6] = BOX_NativeString("object_id");
+               REGB1 = TAG_Int(9);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_363 = fra.me.REG[6];
+               register_static_object(&once_value_363);
+              } else fra.me.REG[6] = once_value_363;
+              fra.me.REG[6] = fra.me.REG[6];
+              fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+              once_value_362 = fra.me.REG[6];
+              register_static_object(&once_value_362);
+            } else fra.me.REG[6] = once_value_362;
+            fra.me.REG[6] = fra.me.REG[6];
+            REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./compiling//compiling_icode.nit:835 */
+              REGB1 = TAG_Int(3);
+              fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+              if (!once_value_364) {
+               fra.me.REG[7] = BOX_NativeString("TAG_Int(((Nit_NativeArray)");
+               REGB1 = TAG_Int(26);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_364 = fra.me.REG[7];
+               register_static_object(&once_value_364);
+              } else fra.me.REG[7] = once_value_364;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              REGB1 = TAG_Int(0);
+              /* ./../lib/standard//collection//array.nit:243 */
+              fra.me.REG[7] = fra.me.REG[4];
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB2 = TAG_Int(0);
+              /* ./../lib/standard//kernel.nit:213 */
+              REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+              /* ./../lib/standard//collection//array.nit:245 */
+              if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+              } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+              }
+              if (UNTAG_Bool(REGB2)) {
+              } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+              }
+              /* ./../lib/standard//collection//array.nit:246 */
+              fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+              REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+              if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+              }
+              /* ./../lib/standard//collection//array.nit:654 */
+              fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+              /* ./../lib/standard//collection//array.nit:246 */
+              goto label365;
+              label365: while(0);
+              /* ./compiling//compiling_icode.nit:835 */
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              if (!once_value_366) {
+               fra.me.REG[7] = BOX_NativeString(")->object_id)");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_366 = fra.me.REG[7];
+               register_static_object(&once_value_366);
+              } else fra.me.REG[7] = once_value_366;
+              fra.me.REG[7] = fra.me.REG[7];
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+              fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+              fra.me.REG[5] = fra.me.REG[6];
+            } else {
+              /* ./compiling//compiling_icode.nit:836 */
+              if (!once_value_367) {
+               if (!once_value_368) {
+               fra.me.REG[6] = BOX_NativeString("[]");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_368 = fra.me.REG[6];
+               register_static_object(&once_value_368);
+               } else fra.me.REG[6] = once_value_368;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_367 = fra.me.REG[6];
+               register_static_object(&once_value_367);
+              } else fra.me.REG[6] = once_value_367;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:837 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_369) {
+               fra.me.REG[7] = BOX_NativeString("((Nit_NativeArray)");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_369 = fra.me.REG[7];
+               register_static_object(&once_value_369);
+               } else fra.me.REG[7] = once_value_369;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label370;
+               label370: while(0);
+               /* ./compiling//compiling_icode.nit:837 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_371) {
+               fra.me.REG[7] = BOX_NativeString(")->val[UNTAG_Int(");
+               REGB1 = TAG_Int(17);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_371 = fra.me.REG[7];
+               register_static_object(&once_value_371);
+               } else fra.me.REG[7] = once_value_371;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label372;
+               label372: while(0);
+               /* ./compiling//compiling_icode.nit:837 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_373) {
+               fra.me.REG[7] = BOX_NativeString(")]");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_373 = fra.me.REG[7];
+               register_static_object(&once_value_373);
+               } else fra.me.REG[7] = once_value_373;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:838 */
+               if (!once_value_374) {
+               if (!once_value_375) {
+               fra.me.REG[6] = BOX_NativeString("[]=");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_375 = fra.me.REG[6];
+               register_static_object(&once_value_375);
+               } else fra.me.REG[6] = once_value_375;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_374 = fra.me.REG[6];
+               register_static_object(&once_value_374);
+               } else fra.me.REG[6] = once_value_374;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:839 */
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_376) {
+               fra.me.REG[7] = BOX_NativeString("((Nit_NativeArray)");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_376 = fra.me.REG[7];
+               register_static_object(&once_value_376);
+               } else fra.me.REG[7] = once_value_376;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label377;
+               label377: while(0);
+               /* ./compiling//compiling_icode.nit:839 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_378) {
+               fra.me.REG[7] = BOX_NativeString(")->val[UNTAG_Int(");
+               REGB1 = TAG_Int(17);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_378 = fra.me.REG[7];
+               register_static_object(&once_value_378);
+               } else fra.me.REG[7] = once_value_378;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label379;
+               label379: while(0);
+               /* ./compiling//compiling_icode.nit:839 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_380) {
+               fra.me.REG[7] = BOX_NativeString(")]=");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_380 = fra.me.REG[7];
+               register_static_object(&once_value_380);
+               } else fra.me.REG[7] = once_value_380;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(2);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label381;
+               label381: while(0);
+               /* ./compiling//compiling_icode.nit:839 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_382) {
+               fra.me.REG[7] = BOX_NativeString("");
+               REGB1 = TAG_Int(0);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_382 = fra.me.REG[7];
+               register_static_object(&once_value_382);
+               } else fra.me.REG[7] = once_value_382;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:840 */
+               if (!once_value_383) {
+               if (!once_value_384) {
+               fra.me.REG[6] = BOX_NativeString("copy_to");
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_384 = fra.me.REG[6];
+               register_static_object(&once_value_384);
+               } else fra.me.REG[6] = once_value_384;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_383 = fra.me.REG[6];
+               register_static_object(&once_value_383);
+               } else fra.me.REG[6] = once_value_383;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:841 */
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_385) {
+               fra.me.REG[7] = BOX_NativeString("(void)memcpy(((Nit_NativeArray )");
+               REGB1 = TAG_Int(32);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_385 = fra.me.REG[7];
+               register_static_object(&once_value_385);
+               } else fra.me.REG[7] = once_value_385;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label386;
+               label386: while(0);
+               /* ./compiling//compiling_icode.nit:841 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_387) {
+               fra.me.REG[7] = BOX_NativeString(")->val, ((Nit_NativeArray)");
+               REGB1 = TAG_Int(26);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_387 = fra.me.REG[7];
+               register_static_object(&once_value_387);
+               } else fra.me.REG[7] = once_value_387;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label388;
+               label388: while(0);
+               /* ./compiling//compiling_icode.nit:841 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_389) {
+               fra.me.REG[7] = BOX_NativeString(")->val, UNTAG_Int(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_389 = fra.me.REG[7];
+               register_static_object(&once_value_389);
+               } else fra.me.REG[7] = once_value_389;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               REGB1 = TAG_Int(2);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[7] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+               REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label390;
+               label390: while(0);
+               /* ./compiling//compiling_icode.nit:841 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               if (!once_value_391) {
+               fra.me.REG[7] = BOX_NativeString(")*sizeof(val_t))");
+               REGB1 = TAG_Int(16);
+               fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+               once_value_391 = fra.me.REG[7];
+               register_static_object(&once_value_391);
+               } else fra.me.REG[7] = once_value_391;
+               fra.me.REG[7] = fra.me.REG[7];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+              }
+            }
+          } else {
+            /* ./compiling//compiling_icode.nit:843 */
+            if (!once_value_392) {
+              if (!once_value_393) {
+               fra.me.REG[6] = BOX_NativeString("NativeString");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_393 = fra.me.REG[6];
+               register_static_object(&once_value_393);
+              } else fra.me.REG[6] = once_value_393;
+              fra.me.REG[6] = fra.me.REG[6];
+              fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+              once_value_392 = fra.me.REG[6];
+              register_static_object(&once_value_392);
+            } else fra.me.REG[6] = once_value_392;
+            fra.me.REG[6] = fra.me.REG[6];
+            REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[6]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./compiling//compiling_icode.nit:844 */
+              if (!once_value_394) {
+               if (!once_value_395) {
+               fra.me.REG[6] = BOX_NativeString("object_id");
+               REGB1 = TAG_Int(9);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_395 = fra.me.REG[6];
+               register_static_object(&once_value_395);
+               } else fra.me.REG[6] = once_value_395;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_394 = fra.me.REG[6];
+               register_static_object(&once_value_394);
+              } else fra.me.REG[6] = once_value_394;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:845 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_396) {
+               fra.me.REG[2] = BOX_NativeString("TAG_Int(UNBOX_NativeString(");
+               REGB1 = TAG_Int(27);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_396 = fra.me.REG[2];
+               register_static_object(&once_value_396);
+               } else fra.me.REG[2] = once_value_396;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label397;
+               label397: while(0);
+               /* ./compiling//compiling_icode.nit:845 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_398) {
+               fra.me.REG[2] = BOX_NativeString("))");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_398 = fra.me.REG[2];
+               register_static_object(&once_value_398);
+               } else fra.me.REG[2] = once_value_398;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:846 */
+               if (!once_value_399) {
+               if (!once_value_400) {
+               fra.me.REG[6] = BOX_NativeString("atoi");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_400 = fra.me.REG[6];
+               register_static_object(&once_value_400);
+               } else fra.me.REG[6] = once_value_400;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_399 = fra.me.REG[6];
+               register_static_object(&once_value_399);
+               } else fra.me.REG[6] = once_value_399;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:847 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_401) {
+               fra.me.REG[2] = BOX_NativeString("TAG_Int(atoi(UNBOX_NativeString(");
+               REGB1 = TAG_Int(32);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_401 = fra.me.REG[2];
+               register_static_object(&once_value_401);
+               } else fra.me.REG[2] = once_value_401;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label402;
+               label402: while(0);
+               /* ./compiling//compiling_icode.nit:847 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_403) {
+               fra.me.REG[2] = BOX_NativeString(")))");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_403 = fra.me.REG[2];
+               register_static_object(&once_value_403);
+               } else fra.me.REG[2] = once_value_403;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:848 */
+               if (!once_value_404) {
+               if (!once_value_405) {
+               fra.me.REG[6] = BOX_NativeString("[]");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_405 = fra.me.REG[6];
+               register_static_object(&once_value_405);
+               } else fra.me.REG[6] = once_value_405;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_404 = fra.me.REG[6];
+               register_static_object(&once_value_404);
+               } else fra.me.REG[6] = once_value_404;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:849 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_406) {
+               fra.me.REG[2] = BOX_NativeString("TAG_Char(UNBOX_NativeString(");
+               REGB1 = TAG_Int(28);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_406 = fra.me.REG[2];
+               register_static_object(&once_value_406);
+               } else fra.me.REG[2] = once_value_406;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label407;
+               label407: while(0);
+               /* ./compiling//compiling_icode.nit:849 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_408) {
+               fra.me.REG[2] = BOX_NativeString(")[UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_408 = fra.me.REG[2];
+               register_static_object(&once_value_408);
+               } else fra.me.REG[2] = once_value_408;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label409;
+               label409: while(0);
+               /* ./compiling//compiling_icode.nit:849 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_410) {
+               fra.me.REG[2] = BOX_NativeString(")])");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_410 = fra.me.REG[2];
+               register_static_object(&once_value_410);
+               } else fra.me.REG[2] = once_value_410;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:850 */
+               if (!once_value_411) {
+               if (!once_value_412) {
+               fra.me.REG[6] = BOX_NativeString("[]=");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_412 = fra.me.REG[6];
+               register_static_object(&once_value_412);
+               } else fra.me.REG[6] = once_value_412;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_411 = fra.me.REG[6];
+               register_static_object(&once_value_411);
+               } else fra.me.REG[6] = once_value_411;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:851 */
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_413) {
+               fra.me.REG[2] = BOX_NativeString("UNBOX_NativeString(");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_413 = fra.me.REG[2];
+               register_static_object(&once_value_413);
+               } else fra.me.REG[2] = once_value_413;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label414;
+               label414: while(0);
+               /* ./compiling//compiling_icode.nit:851 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_415) {
+               fra.me.REG[2] = BOX_NativeString(")[UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_415 = fra.me.REG[2];
+               register_static_object(&once_value_415);
+               } else fra.me.REG[2] = once_value_415;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label416;
+               label416: while(0);
+               /* ./compiling//compiling_icode.nit:851 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_417) {
+               fra.me.REG[2] = BOX_NativeString(")]=UNTAG_Char(");
+               REGB1 = TAG_Int(14);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_417 = fra.me.REG[2];
+               register_static_object(&once_value_417);
+               } else fra.me.REG[2] = once_value_417;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(2);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label418;
+               label418: while(0);
+               /* ./compiling//compiling_icode.nit:851 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_419) {
+               fra.me.REG[2] = BOX_NativeString(");");
+               REGB1 = TAG_Int(2);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_419 = fra.me.REG[2];
+               register_static_object(&once_value_419);
+               } else fra.me.REG[2] = once_value_419;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:852 */
+               if (!once_value_420) {
+               if (!once_value_421) {
+               fra.me.REG[6] = BOX_NativeString("copy_to");
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_421 = fra.me.REG[6];
+               register_static_object(&once_value_421);
+               } else fra.me.REG[6] = once_value_421;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_420 = fra.me.REG[6];
+               register_static_object(&once_value_420);
+               } else fra.me.REG[6] = once_value_420;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:853 */
+               REGB1 = TAG_Int(11);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_422) {
+               fra.me.REG[2] = BOX_NativeString("(void)memcpy(UNBOX_NativeString(");
+               REGB1 = TAG_Int(32);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_422 = fra.me.REG[2];
+               register_static_object(&once_value_422);
+               } else fra.me.REG[2] = once_value_422;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label423;
+               label423: while(0);
+               /* ./compiling//compiling_icode.nit:853 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_424) {
+               fra.me.REG[2] = BOX_NativeString(")+UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_424 = fra.me.REG[2];
+               register_static_object(&once_value_424);
+               } else fra.me.REG[2] = once_value_424;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(4);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label425;
+               label425: while(0);
+               /* ./compiling//compiling_icode.nit:853 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_426) {
+               fra.me.REG[2] = BOX_NativeString("), UNBOX_NativeString(");
+               REGB1 = TAG_Int(22);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_426 = fra.me.REG[2];
+               register_static_object(&once_value_426);
+               } else fra.me.REG[2] = once_value_426;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label427;
+               label427: while(0);
+               /* ./compiling//compiling_icode.nit:853 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_428) {
+               fra.me.REG[2] = BOX_NativeString(")+UNTAG_Int(");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_428 = fra.me.REG[2];
+               register_static_object(&once_value_428);
+               } else fra.me.REG[2] = once_value_428;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(3);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label429;
+               label429: while(0);
+               /* ./compiling//compiling_icode.nit:853 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_430) {
+               fra.me.REG[2] = BOX_NativeString("), UNTAG_Int(");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_430 = fra.me.REG[2];
+               register_static_object(&once_value_430);
+               } else fra.me.REG[2] = once_value_430;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(2);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label431;
+               label431: while(0);
+               /* ./compiling//compiling_icode.nit:853 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_432) {
+               fra.me.REG[2] = BOX_NativeString("));");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_432 = fra.me.REG[2];
+               register_static_object(&once_value_432);
+               } else fra.me.REG[2] = once_value_432;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+               }
+               }
+              }
+            } else {
+              /* ./compiling//compiling_icode.nit:855 */
+              if (!once_value_433) {
+               if (!once_value_434) {
+               fra.me.REG[6] = BOX_NativeString("object_id");
+               REGB1 = TAG_Int(9);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_434 = fra.me.REG[6];
+               register_static_object(&once_value_434);
+               } else fra.me.REG[6] = once_value_434;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_433 = fra.me.REG[6];
+               register_static_object(&once_value_433);
+              } else fra.me.REG[6] = once_value_433;
+              fra.me.REG[6] = fra.me.REG[6];
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:856 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_435) {
+               fra.me.REG[2] = BOX_NativeString("TAG_Int((bigint)((obj_t)");
+               REGB1 = TAG_Int(24);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_435 = fra.me.REG[2];
+               register_static_object(&once_value_435);
+               } else fra.me.REG[2] = once_value_435;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label436;
+               label436: while(0);
+               /* ./compiling//compiling_icode.nit:856 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_437) {
+               fra.me.REG[2] = BOX_NativeString(")[1].object_id)");
+               REGB1 = TAG_Int(15);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_437 = fra.me.REG[2];
+               register_static_object(&once_value_437);
+               } else fra.me.REG[2] = once_value_437;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+              } else {
+               /* ./compiling//compiling_icode.nit:857 */
+               if (!once_value_438) {
+               if (!once_value_439) {
+               fra.me.REG[6] = BOX_NativeString("sys");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_439 = fra.me.REG[6];
+               register_static_object(&once_value_439);
+               } else fra.me.REG[6] = once_value_439;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_438 = fra.me.REG[6];
+               register_static_object(&once_value_438);
+               } else fra.me.REG[6] = once_value_438;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:858 */
+               if (!once_value_440) {
+               fra.me.REG[6] = BOX_NativeString("(G_sys)");
+               REGB1 = TAG_Int(7);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_440 = fra.me.REG[6];
+               register_static_object(&once_value_440);
+               } else fra.me.REG[6] = once_value_440;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:859 */
+               if (!once_value_441) {
+               if (!once_value_442) {
+               fra.me.REG[6] = BOX_NativeString("is_same_type");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_442 = fra.me.REG[6];
+               register_static_object(&once_value_442);
+               } else fra.me.REG[6] = once_value_442;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_441 = fra.me.REG[6];
+               register_static_object(&once_value_441);
+               } else fra.me.REG[6] = once_value_441;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:860 */
+               REGB1 = TAG_Int(5);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_443) {
+               fra.me.REG[2] = BOX_NativeString("TAG_Bool((VAL2VFT(");
+               REGB1 = TAG_Int(18);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_443 = fra.me.REG[2];
+               register_static_object(&once_value_443);
+               } else fra.me.REG[2] = once_value_443;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(0);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label444;
+               label444: while(0);
+               /* ./compiling//compiling_icode.nit:860 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_445) {
+               fra.me.REG[2] = BOX_NativeString(")==VAL2VFT(");
+               REGB1 = TAG_Int(11);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_445 = fra.me.REG[2];
+               register_static_object(&once_value_445);
+               } else fra.me.REG[2] = once_value_445;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label446;
+               label446: while(0);
+               /* ./compiling//compiling_icode.nit:860 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_447) {
+               fra.me.REG[2] = BOX_NativeString(")))");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_447 = fra.me.REG[2];
+               register_static_object(&once_value_447);
+               } else fra.me.REG[2] = once_value_447;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:861 */
+               if (!once_value_448) {
+               if (!once_value_449) {
+               fra.me.REG[6] = BOX_NativeString("exit");
+               REGB1 = TAG_Int(4);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_449 = fra.me.REG[6];
+               register_static_object(&once_value_449);
+               } else fra.me.REG[6] = once_value_449;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_448 = fra.me.REG[6];
+               register_static_object(&once_value_448);
+               } else fra.me.REG[6] = once_value_448;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:862 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_450) {
+               fra.me.REG[2] = BOX_NativeString("exit(UNTAG_Int(");
+               REGB1 = TAG_Int(15);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_450 = fra.me.REG[2];
+               register_static_object(&once_value_450);
+               } else fra.me.REG[2] = once_value_450;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label451;
+               label451: while(0);
+               /* ./compiling//compiling_icode.nit:862 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_452) {
+               fra.me.REG[2] = BOX_NativeString("));");
+               REGB1 = TAG_Int(3);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_452 = fra.me.REG[2];
+               register_static_object(&once_value_452);
+               } else fra.me.REG[2] = once_value_452;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:863 */
+               if (!once_value_453) {
+               if (!once_value_454) {
+               fra.me.REG[6] = BOX_NativeString("calloc_array");
+               REGB1 = TAG_Int(12);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_454 = fra.me.REG[6];
+               register_static_object(&once_value_454);
+               } else fra.me.REG[6] = once_value_454;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_453 = fra.me.REG[6];
+               register_static_object(&once_value_453);
+               } else fra.me.REG[6] = once_value_453;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:864 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_455) {
+               fra.me.REG[2] = BOX_NativeString("NEW_NativeArray(UNTAG_Int(");
+               REGB1 = TAG_Int(26);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_455 = fra.me.REG[2];
+               register_static_object(&once_value_455);
+               } else fra.me.REG[2] = once_value_455;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:243 */
+               fra.me.REG[2] = fra.me.REG[4];
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+               REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label456;
+               label456: while(0);
+               /* ./compiling//compiling_icode.nit:864 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               if (!once_value_457) {
+               fra.me.REG[2] = BOX_NativeString("), sizeof(val_t))");
+               REGB1 = TAG_Int(17);
+               fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+               once_value_457 = fra.me.REG[2];
+               register_static_object(&once_value_457);
+               } else fra.me.REG[2] = once_value_457;
+               fra.me.REG[2] = fra.me.REG[2];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               } else {
+               /* ./compiling//compiling_icode.nit:865 */
+               if (!once_value_458) {
+               if (!once_value_459) {
+               fra.me.REG[6] = BOX_NativeString("calloc_string");
+               REGB1 = TAG_Int(13);
+               fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+               once_value_459 = fra.me.REG[6];
+               register_static_object(&once_value_459);
+               } else fra.me.REG[6] = once_value_459;
+               fra.me.REG[6] = fra.me.REG[6];
+               fra.me.REG[6] = CALL_symbol___String___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+               once_value_458 = fra.me.REG[6];
+               register_static_object(&once_value_458);
+               } else fra.me.REG[6] = once_value_458;
+               fra.me.REG[6] = fra.me.REG[6];
+               REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[6]));
+               if (UNTAG_Bool(REGB1)) {
+               } else {
+               REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+               REGB1 = REGB2;
+               }
+               if (UNTAG_Bool(REGB1)) {
+               /* ./compiling//compiling_icode.nit:866 */
+               REGB1 = TAG_Int(3);
+               fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+               if (!once_value_460) {
+               fra.me.REG[3] = BOX_NativeString("BOX_NativeString((char*)raw_alloc((UNTAG_Int(");
+               REGB1 = TAG_Int(45);
+               fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+               once_value_460 = fra.me.REG[3];
+               register_static_object(&once_value_460);
+               } else fra.me.REG[3] = once_value_460;
+               fra.me.REG[3] = fra.me.REG[3];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+               REGB1 = TAG_Int(1);
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB2 = TAG_Int(0);
+               /* ./../lib/standard//kernel.nit:213 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
+               /* ./../lib/standard//collection//array.nit:245 */
+               if (UNTAG_Bool(REGB2)) {
+               REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+               }
+               REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+               /* ./../lib/standard//kernel.nit:212 */
+               REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+               } else {
+               /* ./../lib/standard//collection//array.nit:245 */
+               REGB0 = TAG_Bool(false);
+               REGB2 = REGB0;
+               }
+               if (UNTAG_Bool(REGB2)) {
+               } else {
+               nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+               }
+               /* ./../lib/standard//collection//array.nit:246 */
+               fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[4]);
+               REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+               if (UNTAG_Bool(REGB2)) {
+               nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+               }
+               /* ./../lib/standard//collection//array.nit:654 */
+               fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB1)];
+               /* ./../lib/standard//collection//array.nit:246 */
+               goto label461;
+               label461: while(0);
+               /* ./compiling//compiling_icode.nit:866 */
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+               if (!once_value_462) {
+               fra.me.REG[4] = BOX_NativeString(") * sizeof(char))))");
+               REGB1 = TAG_Int(19);
+               fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+               once_value_462 = fra.me.REG[4];
+               register_static_object(&once_value_462);
+               } else fra.me.REG[4] = once_value_462;
+               fra.me.REG[4] = fra.me.REG[4];
+               CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+               fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+               fra.me.REG[5] = fra.me.REG[6];
+               }
+               }
+               }
+               }
+               }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  /* ./compiling//compiling_icode.nit:868 */
+  REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      REGB2 = TAG_Bool(false);
+      REGB1 = REGB2;
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+      REGB1 = REGB2;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:869 */
+    fra.me.REG[6] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+    /* ./compiling//compiling_icode.nit:870 */
+    REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(false);
+        REGB1 = REGB2;
+      } else {
+        REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+        REGB1 = REGB2;
+      }
+    }
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Int(3);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+      if (!once_value_463) {
+        fra.me.REG[3] = BOX_NativeString("fprintf(stderr, \"");
+        REGB1 = TAG_Int(17);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+        once_value_463 = fra.me.REG[3];
+        register_static_object(&once_value_463);
+      } else fra.me.REG[3] = once_value_463;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 870);
+      }
+      fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+      if (!once_value_464) {
+        fra.me.REG[6] = BOX_NativeString(": \");");
+        REGB1 = TAG_Int(5);
+        fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+        once_value_464 = fra.me.REG[6];
+        register_static_object(&once_value_464);
+      } else fra.me.REG[6] = once_value_464;
+      fra.me.REG[6] = fra.me.REG[6];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+    }
+    /* ./compiling//compiling_icode.nit:871 */
+    REGB1 = TAG_Int(3);
+    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+    if (!once_value_465) {
+      fra.me.REG[6] = BOX_NativeString("fprintf(stderr, \"Fatal error: unknown intern method ");
+      REGB1 = TAG_Int(52);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+      once_value_465 = fra.me.REG[6];
+      register_static_object(&once_value_465);
+    } else fra.me.REG[6] = once_value_465;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+    fra.me.REG[6] = CALL_icode_base___INative___method(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[6] = CALL_abstractmetamodel___MMLocalProperty___full_name(fra.me.REG[6])(fra.me.REG[6]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+    if (!once_value_466) {
+      fra.me.REG[6] = BOX_NativeString(".\\n\");");
+      REGB1 = TAG_Int(6);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+      once_value_466 = fra.me.REG[6];
+      register_static_object(&once_value_466);
+    } else fra.me.REG[6] = once_value_466;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+    /* ./compiling//compiling_icode.nit:872 */
+    if (!once_value_467) {
+      fra.me.REG[4] = BOX_NativeString("nit_exit(1);");
+      REGB1 = TAG_Int(12);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_467 = fra.me.REG[4];
+      register_static_object(&once_value_467);
+    } else fra.me.REG[4] = once_value_467;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+    /* ./compiling//compiling_icode.nit:873 */
+    if (!once_value_468) {
+      fra.me.REG[4] = BOX_NativeString("NIT_NULL");
+      REGB1 = TAG_Int(8);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_468 = fra.me.REG[4];
+      register_static_object(&once_value_468);
+    } else fra.me.REG[4] = once_value_468;
+    fra.me.REG[4] = fra.me.REG[4];
+    fra.me.REG[5] = fra.me.REG[4];
+  }
+  /* ./compiling//compiling_icode.nit:875 */
+  fra.me.REG[4] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      REGB2 = TAG_Bool(false);
+      REGB1 = REGB2;
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB1 = REGB2;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:876 */
+    fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[4] = CALL_compiling_writer___Writer___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    if (!once_value_469) {
+      fra.me.REG[6] = BOX_NativeString(";\n");
+      REGB1 = TAG_Int(2);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB1);
+      once_value_469 = fra.me.REG[6];
+      register_static_object(&once_value_469);
+    } else fra.me.REG[6] = once_value_469;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_compiling_writer___Writer___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+  } else {
+    /* ./compiling//compiling_icode.nit:877 */
+    REGB1 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+    if (UNTAG_Bool(REGB1)) {
+      /* ./compiling//compiling_icode.nit:878 */
+      fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+      /* ./compiling//compiling_icode.nit:879 */
+      CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+    }
+  }
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___IIntValue___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 885;
+  fra.me.meth = LOCATE_compiling_icode___IIntValue___compile_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:887 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:888 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:889 */
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("TAG_Int(");
+    REGB0 = TAG_Int(8);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  fra.me.REG[2] = CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_icode_base___IIntValue___value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[2] = BOX_NativeString(")");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_2 = fra.me.REG[2];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[2] = once_value_2;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___IBoolValue___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+  static val_t once_value_4; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 894;
+  fra.me.meth = LOCATE_compiling_icode___IBoolValue___compile_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:896 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:897 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:898 */
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("TAG_Bool(");
+    REGB0 = TAG_Int(9);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:899 */
+  REGB0 = CALL_icode_base___IBoolValue___value(fra.me.REG[0])(fra.me.REG[0]);
   if (UNTAG_Bool(REGB0)) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("true");
+      REGB0 = TAG_Int(4);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   } else {
-    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (!once_value_3) {
+      fra.me.REG[0] = BOX_NativeString("false");
+      REGB0 = TAG_Int(5);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_3 = fra.me.REG[0];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[0] = once_value_3;
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  }
+  /* ./compiling//compiling_icode.nit:900 */
+  if (!once_value_4) {
+    fra.me.REG[0] = BOX_NativeString(")");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_4 = fra.me.REG[0];
+    register_static_object(&once_value_4);
+  } else fra.me.REG[0] = once_value_4;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___ICharValue___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 905;
+  fra.me.meth = LOCATE_compiling_icode___ICharValue___compile_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:907 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:908 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:909 */
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("TAG_Char(");
+    REGB0 = TAG_Int(9);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  fra.me.REG[2] = CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_icode_base___ICharValue___value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[2] = BOX_NativeString(")");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_2 = fra.me.REG[2];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[2] = once_value_2;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___IFloatValue___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 914;
+  fra.me.meth = LOCATE_compiling_icode___IFloatValue___compile_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:916 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:917 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:918 */
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("BOX_Float(");
+    REGB0 = TAG_Int(10);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  fra.me.REG[2] = CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_icode_base___IFloatValue___value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[2] = BOX_NativeString(")");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_2 = fra.me.REG[2];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[2] = once_value_2;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___IStringValue___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 923;
+  fra.me.meth = LOCATE_compiling_icode___IStringValue___compile_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:925 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:926 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:927 */
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("BOX_NativeString(\"");
+    REGB0 = TAG_Int(18);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  fra.me.REG[2] = CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_icode_base___IStringValue___value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[2] = BOX_NativeString("\")");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_2 = fra.me.REG[2];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[2] = once_value_2;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void compiling_icode___IAbort___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_5; /* Once value */
+    static val_t once_value_6; /* Once value */
+  static val_t once_value_7; /* Once value */
+    static val_t once_value_8; /* Once value */
+    static val_t once_value_9; /* Once value */
+  static val_t once_value_10; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling_icode;
+  fra.me.line = 932;
+  fra.me.meth = LOCATE_compiling_icode___IAbort___compile_to_c;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:934 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:935 */
+  fra.me.REG[1] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:936 */
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("nit_abort(\"");
+    REGB0 = TAG_Int(11);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:937 */
+  fra.me.REG[2] = CALL_icode_base___IAbort___texts(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:245 */
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:213 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
+  /* ./../lib/standard//collection//array.nit:245 */
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
-      REGB0 = REGB1;
     } else {
-      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
-      REGB0 = REGB1;
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
     }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+  } else {
+    /* ./../lib/standard//collection//array.nit:245 */
+    REGB2 = TAG_Bool(false);
+    REGB1 = REGB2;
   }
-  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_icode.nit:632 */
-    if (!once_value_7) {
-      fra.me.REG[5] = BOX_NativeString(":%d");
-      REGB0 = TAG_Int(3);
-      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-      once_value_7 = fra.me.REG[5];
-      register_static_object(&once_value_7);
-    } else fra.me.REG[5] = once_value_7;
-    CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
   }
-  REGB0 = TAG_Int(3);
-  fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:634 */
-  if (!once_value_8) {
-    fra.me.REG[4] = BOX_NativeString(")\\n\", LOCATE_");
-    REGB0 = TAG_Int(13);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-    once_value_8 = fra.me.REG[4];
-    register_static_object(&once_value_8);
-  } else fra.me.REG[4] = once_value_8;
-  array___Array___add(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[0] = CALL_icode_base___IAbort___module_location(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_abstractmetamodel___MMModule___name(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[5], fra.me.REG[0]);
-  if (!once_value_9) {
-    fra.me.REG[0] = BOX_NativeString("");
-    REGB0 = TAG_Int(0);
-    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_9 = fra.me.REG[0];
-    register_static_object(&once_value_9);
-  } else fra.me.REG[0] = once_value_9;
-  array___Array___add(fra.me.REG[5], fra.me.REG[0]);
-  fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-  CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
-  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:635 */
+  /* ./../lib/standard//collection//array.nit:246 */
+  fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+  REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+  }
+  /* ./../lib/standard//collection//array.nit:654 */
+  fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB0)];
+  /* ./../lib/standard//collection//array.nit:246 */
+  goto label2;
+  label2: while(0);
+  /* ./compiling//compiling_icode.nit:937 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:938 */
+  fra.me.REG[2] = CALL_icode_base___IAbort___texts(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
-      REGB0 = REGB1;
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:938 */
+  REGB1 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
+  /* ./compiling//compiling_icode.nit:938 */
+  if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:939 */
+    if (!once_value_3) {
+      fra.me.REG[2] = BOX_NativeString("\", \"");
+      REGB1 = TAG_Int(4);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+      once_value_3 = fra.me.REG[2];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[2] = once_value_3;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:940 */
+    fra.me.REG[2] = CALL_icode_base___IAbort___texts(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = TAG_Int(1);
+    /* ./../lib/standard//collection//array.nit:245 */
+    REGB0 = TAG_Int(0);
+    /* ./../lib/standard//kernel.nit:213 */
+    REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
+    /* ./../lib/standard//collection//array.nit:245 */
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+      }
+      REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
     } else {
-      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
-      REGB0 = REGB1;
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB2 = TAG_Bool(false);
+      REGB0 = REGB2;
     }
-  }
-  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Int(3);
-    fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:636 */
-    if (!once_value_10) {
-      fra.me.REG[0] = BOX_NativeString(", ");
-      REGB0 = TAG_Int(2);
-      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-      once_value_10 = fra.me.REG[0];
-      register_static_object(&once_value_10);
-    } else fra.me.REG[0] = once_value_10;
-    array___Array___add(fra.me.REG[5], fra.me.REG[0]);
-    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 636);
-      nit_exit(1);
+    } else {
+      nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
     }
-    REGB0 = CALL_location___Location___line_start(fra.me.REG[3])(fra.me.REG[3]);
-    fra.me.REG[3] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[5], fra.me.REG[3]);
-    if (!once_value_11) {
-      fra.me.REG[3] = BOX_NativeString("");
-      REGB0 = TAG_Int(0);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_11 = fra.me.REG[3];
-      register_static_object(&once_value_11);
-    } else fra.me.REG[3] = once_value_11;
-    array___Array___add(fra.me.REG[5], fra.me.REG[3]);
-    fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-    CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+    /* ./../lib/standard//collection//array.nit:246 */
+    fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+    }
+    /* ./../lib/standard//collection//array.nit:654 */
+    fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB1)];
+    /* ./../lib/standard//collection//array.nit:246 */
+    goto label4;
+    label4: while(0);
+    /* ./compiling//compiling_icode.nit:940 */
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:941 */
+    if (!once_value_5) {
+      fra.me.REG[2] = BOX_NativeString("\"");
+      REGB1 = TAG_Int(1);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+      once_value_5 = fra.me.REG[2];
+      register_static_object(&once_value_5);
+    } else fra.me.REG[2] = once_value_5;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  } else {
+    /* ./compiling//compiling_icode.nit:943 */
+    if (!once_value_6) {
+      fra.me.REG[2] = BOX_NativeString("\", NULL");
+      REGB1 = TAG_Int(7);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+      once_value_6 = fra.me.REG[2];
+      register_static_object(&once_value_6);
+    } else fra.me.REG[2] = once_value_6;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   }
-  /* ./compiling//compiling_icode.nit:638 */
-  if (!once_value_12) {
-    fra.me.REG[5] = BOX_NativeString(");");
-    REGB0 = TAG_Int(2);
-    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-    once_value_12 = fra.me.REG[5];
-    register_static_object(&once_value_12);
-  } else fra.me.REG[5] = once_value_12;
-  CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+  /* ./compiling//compiling_icode.nit:945 */
+  if (!once_value_7) {
+    fra.me.REG[2] = BOX_NativeString(", LOCATE_");
+    REGB1 = TAG_Int(9);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+    once_value_7 = fra.me.REG[2];
+    register_static_object(&once_value_7);
+  } else fra.me.REG[2] = once_value_7;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:946 */
+  fra.me.REG[2] = CALL_icode_base___IAbort___module_location(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_abstractmetamodel___MMModule___name(fra.me.REG[2])(fra.me.REG[2]);
   fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:639 */
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:641 */
-  if (!once_value_13) {
-    fra.me.REG[2] = BOX_NativeString("nit_exit(1);");
-    REGB0 = TAG_Int(12);
-    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_13 = fra.me.REG[2];
-    register_static_object(&once_value_13);
-  } else fra.me.REG[2] = once_value_13;
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = NIT_NULL;
-  /* ./compiling//compiling_icode.nit:642 */
-  goto label14;
-  label14: while(0);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:947 */
+  fra.me.REG[0] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:948 */
+  REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+      REGB1 = REGB0;
+    }
+  }
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:949 */
+    if (!once_value_8) {
+      fra.me.REG[2] = BOX_NativeString(", ");
+      REGB1 = TAG_Int(2);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB1);
+      once_value_8 = fra.me.REG[2];
+      register_static_object(&once_value_8);
+    } else fra.me.REG[2] = once_value_8;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:950 */
+    REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 950);
+    }
+    REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[0] = CALL_string___Object___to_s(REGB1)(REGB1);
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  } else {
+    /* ./compiling//compiling_icode.nit:952 */
+    if (!once_value_9) {
+      fra.me.REG[0] = BOX_NativeString(", 0");
+      REGB1 = TAG_Int(3);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB1);
+      once_value_9 = fra.me.REG[0];
+      register_static_object(&once_value_9);
+    } else fra.me.REG[0] = once_value_9;
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  }
+  /* ./compiling//compiling_icode.nit:954 */
+  if (!once_value_10) {
+    fra.me.REG[0] = BOX_NativeString(");\n");
+    REGB1 = TAG_Int(3);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB1);
+    once_value_10 = fra.me.REG[0];
+    register_static_object(&once_value_10);
+  } else fra.me.REG[0] = once_value_10;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___IMove___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+void compiling_icode___IMove___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
   val_t tmp;
+  static val_t once_value_2; /* Once value */
+  static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 647;
-  fra.me.meth = LOCATE_compiling_icode___IMove___inner_compile_to_c;
+  fra.me.line = 959;
+  fra.me.meth = LOCATE_compiling_icode___IMove___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
+  fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  fra.me.REG[0] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:649 */
-  goto label1;
+  /* ./compiling//compiling_icode.nit:961 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:962 */
+  fra.me.REG[2] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:963 */
+  fra.me.REG[3] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_IRegister, ID_IRegister)) /*cast IRegister*/;
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_compiling_icode, 963);
+  }
+  fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:964 */
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[3]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:965 */
+  fra.me.REG[0] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:966 */
+  fra.me.REG[1] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:967 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:968 */
+  if (!once_value_2) {
+    fra.me.REG[3] = BOX_NativeString(" = ");
+    REGB0 = TAG_Int(3);
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:969 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:970 */
+  if (!once_value_3) {
+    fra.me.REG[2] = BOX_NativeString(";\n");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_3 = fra.me.REG[2];
+    register_static_object(&once_value_3);
+  } else fra.me.REG[2] = once_value_3;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return;
 }
-val_t compiling_icode___IAttrRead___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___IAttrRead___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
-  static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
   static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 654;
-  fra.me.meth = LOCATE_compiling_icode___IAttrRead___inner_compile_to_c;
+  fra.me.line = 975;
+  fra.me.meth = LOCATE_compiling_icode___IAttrRead___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -4656,21 +14438,23 @@ val_t compiling_icode___IAttrRead___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(5);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:656 */
-  if (!once_value_1) {
-    fra.me.REG[3] = BOX_NativeString("");
-    REGB0 = TAG_Int(0);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_1 = fra.me.REG[3];
-    register_static_object(&once_value_1);
-  } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:977 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:978 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:979 */
+  fra.me.REG[2] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:980 */
   fra.me.REG[3] = CALL_icode_base___IAttrRead___property(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_compiling_base___MMGlobalProperty___attr_access(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:981 */
   if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
@@ -4678,10 +14462,13 @@ val_t compiling_icode___IAttrRead___inner_compile_to_c(val_t p0, val_t p1){
     once_value_2 = fra.me.REG[3];
     register_static_object(&once_value_2);
   } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:982 */
   fra.me.REG[0] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:983 */
   if (!once_value_3) {
     fra.me.REG[0] = BOX_NativeString(")");
     REGB0 = TAG_Int(1);
@@ -4689,24 +14476,23 @@ val_t compiling_icode___IAttrRead___inner_compile_to_c(val_t p0, val_t p1){
     once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
   } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  goto label4;
-  label4: while(0);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___IAttrIsset___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___IAttrIsset___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
-  static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
   static val_t once_value_3; /* Once value */
+  static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 661;
-  fra.me.meth = LOCATE_compiling_icode___IAttrIsset___inner_compile_to_c;
+  fra.me.line = 988;
+  fra.me.meth = LOCATE_compiling_icode___IAttrIsset___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -4714,59 +14500,72 @@ val_t compiling_icode___IAttrIsset___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(5);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:663 */
-  if (!once_value_1) {
+  fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:990 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:991 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:992 */
+  fra.me.REG[2] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:993 */
+  if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("TAG_Bool(");
     REGB0 = TAG_Int(9);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_1 = fra.me.REG[3];
-    register_static_object(&once_value_1);
-  } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:994 */
   fra.me.REG[3] = CALL_icode_base___IAttrIsset___property(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_compiling_base___MMGlobalProperty___attr_access(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  if (!once_value_2) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:995 */
+  if (!once_value_3) {
     fra.me.REG[3] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_2 = fra.me.REG[3];
-    register_static_object(&once_value_2);
-  } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    once_value_3 = fra.me.REG[3];
+    register_static_object(&once_value_3);
+  } else fra.me.REG[3] = once_value_3;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:996 */
   fra.me.REG[0] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  if (!once_value_3) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:997 */
+  if (!once_value_4) {
     fra.me.REG[0] = BOX_NativeString(")!=NIT_NULL)");
     REGB0 = TAG_Int(12);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_3 = fra.me.REG[0];
-    register_static_object(&once_value_3);
-  } else fra.me.REG[0] = once_value_3;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  goto label4;
-  label4: while(0);
+    once_value_4 = fra.me.REG[0];
+    register_static_object(&once_value_4);
+  } else fra.me.REG[0] = once_value_4;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___IAttrWrite___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___IAttrWrite___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
   static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
   static val_t once_value_3; /* Once value */
-  static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 668;
-  fra.me.meth = LOCATE_compiling_icode___IAttrWrite___inner_compile_to_c;
+  fra.me.line = 1002;
+  fra.me.meth = LOCATE_compiling_icode___IAttrWrite___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -4775,584 +14574,544 @@ val_t compiling_icode___IAttrWrite___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(7);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:670 */
-  if (!once_value_1) {
-    fra.me.REG[3] = BOX_NativeString("");
-    REGB0 = TAG_Int(0);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_1 = fra.me.REG[3];
-    register_static_object(&once_value_1);
-  } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1004 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1005 */
+  fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___new_instr(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1006 */
   fra.me.REG[3] = CALL_icode_base___IAttrWrite___property(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[3])(fra.me.REG[3]);
   fra.me.REG[3] = CALL_compiling_base___MMGlobalProperty___attr_access(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  if (!once_value_2) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1007 */
+  if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString("(");
     REGB0 = TAG_Int(1);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_2 = fra.me.REG[3];
-    register_static_object(&once_value_2);
-  } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    once_value_1 = fra.me.REG[3];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[3] = once_value_1;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1008 */
   fra.me.REG[3] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  if (!once_value_3) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1009 */
+  if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString(") = ");
     REGB0 = TAG_Int(4);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_3 = fra.me.REG[3];
-    register_static_object(&once_value_3);
-  } else fra.me.REG[3] = once_value_3;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1010 */
   fra.me.REG[0] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  if (!once_value_4) {
-    fra.me.REG[0] = BOX_NativeString(";");
-    REGB0 = TAG_Int(1);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1011 */
+  if (!once_value_3) {
+    fra.me.REG[0] = BOX_NativeString(";\n");
+    REGB0 = TAG_Int(2);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_4 = fra.me.REG[0];
-    register_static_object(&once_value_4);
-  } else fra.me.REG[0] = once_value_4;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = NIT_NULL;
-  /* ./compiling//compiling_icode.nit:671 */
-  goto label5;
-  label5: while(0);
+    once_value_3 = fra.me.REG[0];
+    register_static_object(&once_value_3);
+  } else fra.me.REG[0] = once_value_3;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___ITypeCheck___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+void compiling_icode___ITypeCheck___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
-  static val_t once_value_1; /* Once value */
-      static val_t once_value_2; /* Once value */
+  static val_t once_value_2; /* Once value */
       static val_t once_value_3; /* Once value */
-        static val_t once_value_4; /* Once value */
+      static val_t once_value_4; /* Once value */
         static val_t once_value_5; /* Once value */
+        static val_t once_value_6; /* Once value */
         static val_t once_value_7; /* Once value */
-        static val_t once_value_8; /* Once value */
+  static val_t once_value_8; /* Once value */
   static val_t once_value_9; /* Once value */
   static val_t once_value_10; /* Once value */
   static val_t once_value_11; /* Once value */
   static val_t once_value_12; /* Once value */
-  static val_t once_value_13; /* Once value */
-  static val_t once_value_14; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 676;
-  fra.me.meth = LOCATE_compiling_icode___ITypeCheck___inner_compile_to_c;
+  fra.me.line = 1016;
+  fra.me.meth = LOCATE_compiling_icode___ITypeCheck___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 7;
+  fra.me.REG_size = 6;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[5] = NIT_NULL;
-  fra.me.REG[6] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:1018 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:1020 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1021 */
   fra.me.REG[2] = CALL_icode_base___ITypeCheck___stype(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[2] = CALL_static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
   fra.me.REG[2] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1022 */
   fra.me.REG[3] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:681 */
-  if (!once_value_1) {
-    fra.me.REG[1] = BOX_NativeString("");
-    REGB0 = TAG_Int(0);
-    fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
-    once_value_1 = fra.me.REG[1];
-    register_static_object(&once_value_1);
-  } else fra.me.REG[1] = once_value_1;
+  /* ./compiling//compiling_icode.nit:1023 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1024 */
+  if (!once_value_2) {
+    fra.me.REG[4] = BOX_NativeString("TAG_Bool(");
+    REGB0 = TAG_Int(9);
+    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+    once_value_2 = fra.me.REG[4];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[4] = once_value_2;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1025 */
   fra.me.REG[4] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[4] = CALL_icode_base___IRegister___stype(fra.me.REG[4])(fra.me.REG[4]);
   REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[4])(fra.me.REG[4]);
-  /* ./compiling//compiling_icode.nit:682 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:1026 */
     fra.me.REG[4] = CALL_icode_base___ITypeCheck___stype(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[4])(fra.me.REG[4]);
-    /* ./compiling//compiling_icode.nit:683 */
     if (UNTAG_Bool(REGB0)) {
-      REGB0 = TAG_Int(3);
-      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-      /* ./compiling//compiling_icode.nit:684 */
-      if (!once_value_2) {
-        fra.me.REG[5] = BOX_NativeString("(");
-        REGB0 = TAG_Int(1);
-        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-        once_value_2 = fra.me.REG[5];
-        register_static_object(&once_value_2);
-      } else fra.me.REG[5] = once_value_2;
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-      array___Array___add(fra.me.REG[4], fra.me.REG[3]);
+      /* ./compiling//compiling_icode.nit:1027 */
       if (!once_value_3) {
-        fra.me.REG[5] = BOX_NativeString("==NIT_NULL) || ");
-        REGB0 = TAG_Int(15);
-        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-        once_value_3 = fra.me.REG[5];
+        fra.me.REG[4] = BOX_NativeString("(");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+        once_value_3 = fra.me.REG[4];
         register_static_object(&once_value_3);
-      } else fra.me.REG[5] = once_value_3;
-      array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      fra.me.REG[1] = fra.me.REG[4];
+      } else fra.me.REG[4] = once_value_3;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+      /* ./compiling//compiling_icode.nit:1028 */
+      CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+      /* ./compiling//compiling_icode.nit:1029 */
+      if (!once_value_4) {
+        fra.me.REG[4] = BOX_NativeString("==NIT_NULL) || ");
+        REGB0 = TAG_Int(15);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+        once_value_4 = fra.me.REG[4];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[4] = once_value_4;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
     } else {
+      /* ./compiling//compiling_icode.nit:1030 */
       fra.me.REG[4] = CALL_icode_base___ITypeCheck___stype(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[4] = CALL_static_type___MMType___as_nullable(fra.me.REG[4])(fra.me.REG[4]);
       fra.me.REG[5] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[5] = CALL_icode_base___IRegister___stype(fra.me.REG[5])(fra.me.REG[5]);
       REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[4],fra.me.REG[5]));
-      /* ./compiling//compiling_icode.nit:685 */
       if (UNTAG_Bool(REGB0)) {
       } else {
         REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
         REGB0 = REGB1;
       }
       if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Int(3);
-        fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:686 */
-        if (!once_value_4) {
-          fra.me.REG[4] = BOX_NativeString("TAG_Bool(");
-          REGB0 = TAG_Int(9);
-          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-          once_value_4 = fra.me.REG[4];
-          register_static_object(&once_value_4);
-        } else fra.me.REG[4] = once_value_4;
-        array___Array___add(fra.me.REG[5], fra.me.REG[4]);
-        array___Array___add(fra.me.REG[5], fra.me.REG[3]);
+        /* ./compiling//compiling_icode.nit:1031 */
+        CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+        /* ./compiling//compiling_icode.nit:1032 */
         if (!once_value_5) {
-          fra.me.REG[4] = BOX_NativeString("!=NIT_NULL)");
+          fra.me.REG[5] = BOX_NativeString("!=NIT_NULL)");
           REGB0 = TAG_Int(11);
-          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-          once_value_5 = fra.me.REG[4];
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+          once_value_5 = fra.me.REG[5];
           register_static_object(&once_value_5);
-        } else fra.me.REG[4] = once_value_5;
-        array___Array___add(fra.me.REG[5], fra.me.REG[4]);
-        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-        goto label6;
+        } else fra.me.REG[5] = once_value_5;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+        /* ./compiling//compiling_icode.nit:1033 */
+        goto label1;
       } else {
-        REGB0 = TAG_Int(3);
-        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:688 */
-        if (!once_value_7) {
-          fra.me.REG[6] = BOX_NativeString("(");
+        /* ./compiling//compiling_icode.nit:1035 */
+        if (!once_value_6) {
+          fra.me.REG[5] = BOX_NativeString("(");
           REGB0 = TAG_Int(1);
-          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-          once_value_7 = fra.me.REG[6];
-          register_static_object(&once_value_7);
-        } else fra.me.REG[6] = once_value_7;
-        array___Array___add(fra.me.REG[4], fra.me.REG[6]);
-        array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-        if (!once_value_8) {
-          fra.me.REG[6] = BOX_NativeString("!=NIT_NULL) && ");
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+          once_value_6 = fra.me.REG[5];
+          register_static_object(&once_value_6);
+        } else fra.me.REG[5] = once_value_6;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+        /* ./compiling//compiling_icode.nit:1036 */
+        CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+        /* ./compiling//compiling_icode.nit:1037 */
+        if (!once_value_7) {
+          fra.me.REG[5] = BOX_NativeString("!=NIT_NULL) && ");
           REGB0 = TAG_Int(15);
-          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-          once_value_8 = fra.me.REG[6];
-          register_static_object(&once_value_8);
-        } else fra.me.REG[6] = once_value_8;
-        array___Array___add(fra.me.REG[4], fra.me.REG[6]);
-        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-        fra.me.REG[1] = fra.me.REG[4];
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+          once_value_7 = fra.me.REG[5];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[5] = once_value_7;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
       }
     }
   }
-  REGB0 = TAG_Int(11);
-  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:691 */
-  if (!once_value_9) {
-    fra.me.REG[6] = BOX_NativeString("TAG_Bool(");
-    REGB0 = TAG_Int(9);
-    fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-    once_value_9 = fra.me.REG[6];
-    register_static_object(&once_value_9);
-  } else fra.me.REG[6] = once_value_9;
-  array___Array___add(fra.me.REG[4], fra.me.REG[6]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[1]);
-  if (!once_value_10) {
-    fra.me.REG[1] = BOX_NativeString("VAL_ISA(");
+  /* ./compiling//compiling_icode.nit:1040 */
+  if (!once_value_8) {
+    fra.me.REG[5] = BOX_NativeString("VAL_ISA(");
     REGB0 = TAG_Int(8);
-    fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
-    once_value_10 = fra.me.REG[1];
-    register_static_object(&once_value_10);
-  } else fra.me.REG[1] = once_value_10;
-  array___Array___add(fra.me.REG[4], fra.me.REG[1]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  if (!once_value_11) {
+    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+    once_value_8 = fra.me.REG[5];
+    register_static_object(&once_value_8);
+  } else fra.me.REG[5] = once_value_8;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+  /* ./compiling//compiling_icode.nit:1041 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1042 */
+  if (!once_value_9) {
     fra.me.REG[3] = BOX_NativeString(", ");
     REGB0 = TAG_Int(2);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_11 = fra.me.REG[3];
-    register_static_object(&once_value_11);
-  } else fra.me.REG[3] = once_value_11;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
+    once_value_9 = fra.me.REG[3];
+    register_static_object(&once_value_9);
+  } else fra.me.REG[3] = once_value_9;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1043 */
   fra.me.REG[3] = CALL_compiling_base___MMGlobalClass___color_id(fra.me.REG[2])(fra.me.REG[2]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
-  if (!once_value_12) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1044 */
+  if (!once_value_10) {
     fra.me.REG[3] = BOX_NativeString(", ");
     REGB0 = TAG_Int(2);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_12 = fra.me.REG[3];
-    register_static_object(&once_value_12);
-  } else fra.me.REG[3] = once_value_12;
-  array___Array___add(fra.me.REG[4], fra.me.REG[3]);
+    once_value_10 = fra.me.REG[3];
+    register_static_object(&once_value_10);
+  } else fra.me.REG[3] = once_value_10;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1045 */
   fra.me.REG[2] = CALL_compiling_base___MMGlobalClass___id_id(fra.me.REG[2])(fra.me.REG[2]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
-  if (!once_value_13) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1046 */
+  if (!once_value_11) {
     fra.me.REG[2] = BOX_NativeString(")) /*cast ");
     REGB0 = TAG_Int(10);
     fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_13 = fra.me.REG[2];
-    register_static_object(&once_value_13);
-  } else fra.me.REG[2] = once_value_13;
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
+    once_value_11 = fra.me.REG[2];
+    register_static_object(&once_value_11);
+  } else fra.me.REG[2] = once_value_11;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1047 */
   fra.me.REG[0] = CALL_icode_base___ITypeCheck___stype(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-  if (!once_value_14) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1048 */
+  if (!once_value_12) {
     fra.me.REG[0] = BOX_NativeString("*/");
     REGB0 = TAG_Int(2);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_14 = fra.me.REG[0];
-    register_static_object(&once_value_14);
-  } else fra.me.REG[0] = once_value_14;
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-  fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-  fra.me.REG[5] = fra.me.REG[4];
-  goto label6;
-  label6: while(0);
+    once_value_12 = fra.me.REG[0];
+    register_static_object(&once_value_12);
+  } else fra.me.REG[0] = once_value_12;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[5];
+  return;
 }
-val_t compiling_icode___IIs___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+void compiling_icode___IIs___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
   val_t tmp;
-      static val_t once_value_1; /* Once value */
-        static val_t once_value_3; /* Once value */
+  static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
         static val_t once_value_4; /* Once value */
         static val_t once_value_5; /* Once value */
         static val_t once_value_6; /* Once value */
-        static val_t once_value_7; /* Once value */
+          static val_t once_value_7; /* Once value */
           static val_t once_value_8; /* Once value */
           static val_t once_value_9; /* Once value */
           static val_t once_value_10; /* Once value */
-          static val_t once_value_11; /* Once value */
+        static val_t once_value_11; /* Once value */
           static val_t once_value_12; /* Once value */
           static val_t once_value_13; /* Once value */
-        static val_t once_value_14; /* Once value */
-          static val_t once_value_15; /* Once value */
-          static val_t once_value_16; /* Once value */
-          static val_t once_value_17; /* Once value */
-          static val_t once_value_18; /* Once value */
-          static val_t once_value_19; /* Once value */
-          static val_t once_value_20; /* Once value */
+  static val_t once_value_14; /* Once value */
+  static val_t once_value_15; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 696;
-  fra.me.meth = LOCATE_compiling_icode___IIs___inner_compile_to_c;
+  fra.me.line = 1053;
+  fra.me.meth = LOCATE_compiling_icode___IIs___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 7;
+  fra.me.REG_size = 6;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[5] = NIT_NULL;
-  fra.me.REG[6] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  fra.me.REG[2] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_icode_base___IRegister___stype(fra.me.REG[2])(fra.me.REG[2]);
-  fra.me.REG[3] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1055 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:1056 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1057 */
+  fra.me.REG[2] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1058 */
+  if (!once_value_2) {
+    fra.me.REG[3] = BOX_NativeString("TAG_Bool(");
+    REGB0 = TAG_Int(9);
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1059 */
+  fra.me.REG[3] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_icode_base___IRegister___stype(fra.me.REG[3])(fra.me.REG[3]);
-  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  /* ./compiling//compiling_icode.nit:700 */
+  /* ./compiling//compiling_icode.nit:1060 */
+  fra.me.REG[4] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_icode_base___IRegister___stype(fra.me.REG[4])(fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1061 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-    /* ./compiling//compiling_icode.nit:701 */
+    /* ./compiling//compiling_icode.nit:1062 */
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
     if (UNTAG_Bool(REGB0)) {
-      /* ./compiling//compiling_icode.nit:702 */
-      if (!once_value_1) {
-        fra.me.REG[4] = BOX_NativeString("TAG_Bool(1)");
-        REGB0 = TAG_Int(11);
-        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-        once_value_1 = fra.me.REG[4];
-        register_static_object(&once_value_1);
-      } else fra.me.REG[4] = once_value_1;
-      goto label2;
+      /* ./compiling//compiling_icode.nit:1063 */
+      if (!once_value_3) {
+        fra.me.REG[5] = BOX_NativeString("1)");
+        REGB0 = TAG_Int(2);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_3 = fra.me.REG[5];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[5] = once_value_3;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+      /* ./compiling//compiling_icode.nit:1064 */
+      goto label1;
     } else {
-      REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
-      /* ./compiling//compiling_icode.nit:703 */
+      /* ./compiling//compiling_icode.nit:1065 */
+      REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[4])(fra.me.REG[4]);
       if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Int(3);
-        fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:704 */
-        if (!once_value_3) {
-          fra.me.REG[6] = BOX_NativeString("TAG_Bool(");
-          REGB0 = TAG_Int(9);
-          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-          once_value_3 = fra.me.REG[6];
-          register_static_object(&once_value_3);
-        } else fra.me.REG[6] = once_value_3;
-        array___Array___add(fra.me.REG[5], fra.me.REG[6]);
-        fra.me.REG[6] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
-        fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
-        array___Array___add(fra.me.REG[5], fra.me.REG[6]);
+        /* ./compiling//compiling_icode.nit:1066 */
+        fra.me.REG[5] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
+        fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+        CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+        /* ./compiling//compiling_icode.nit:1067 */
         if (!once_value_4) {
-          fra.me.REG[6] = BOX_NativeString("==NIT_NULL)");
+          fra.me.REG[5] = BOX_NativeString("==NIT_NULL)");
           REGB0 = TAG_Int(11);
-          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
-          once_value_4 = fra.me.REG[6];
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+          once_value_4 = fra.me.REG[5];
           register_static_object(&once_value_4);
-        } else fra.me.REG[6] = once_value_4;
-        array___Array___add(fra.me.REG[5], fra.me.REG[6]);
-        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-        fra.me.REG[4] = fra.me.REG[5];
-        goto label2;
+        } else fra.me.REG[5] = once_value_4;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+        /* ./compiling//compiling_icode.nit:1068 */
+        goto label1;
       } else {
-        /* ./compiling//compiling_icode.nit:706 */
+        /* ./compiling//compiling_icode.nit:1070 */
         if (!once_value_5) {
-          fra.me.REG[5] = BOX_NativeString("TAG_Bool(0)");
-          REGB0 = TAG_Int(11);
+          fra.me.REG[5] = BOX_NativeString("0)");
+          REGB0 = TAG_Int(2);
           fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
           once_value_5 = fra.me.REG[5];
           register_static_object(&once_value_5);
         } else fra.me.REG[5] = once_value_5;
-        fra.me.REG[4] = fra.me.REG[5];
-        goto label2;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+        /* ./compiling//compiling_icode.nit:1071 */
+        goto label1;
       }
     }
   } else {
-    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[2])(fra.me.REG[2]);
-    /* ./compiling//compiling_icode.nit:708 */
+    /* ./compiling//compiling_icode.nit:1073 */
+    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
     if (UNTAG_Bool(REGB0)) {
-      REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-      /* ./compiling//compiling_icode.nit:709 */
+      /* ./compiling//compiling_icode.nit:1074 */
+      REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
       if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Int(3);
-        fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-        /* ./compiling//compiling_icode.nit:710 */
-        if (!once_value_6) {
-          fra.me.REG[5] = BOX_NativeString("TAG_Bool(");
-          REGB0 = TAG_Int(9);
-          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-          once_value_6 = fra.me.REG[5];
-          register_static_object(&once_value_6);
-        } else fra.me.REG[5] = once_value_6;
-        array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-        fra.me.REG[5] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
-        fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-        array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-        if (!once_value_7) {
-          fra.me.REG[5] = BOX_NativeString("==NIT_NULL)");
-          REGB0 = TAG_Int(11);
-          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-          once_value_7 = fra.me.REG[5];
-          register_static_object(&once_value_7);
-        } else fra.me.REG[5] = once_value_7;
-        array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-        fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-        fra.me.REG[4] = fra.me.REG[2];
-        goto label2;
+        /* ./compiling//compiling_icode.nit:1075 */
+        fra.me.REG[3] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
+        fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+        CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+        /* ./compiling//compiling_icode.nit:1076 */
+        if (!once_value_6) {
+          fra.me.REG[3] = BOX_NativeString("==NIT_NULL)");
+          REGB0 = TAG_Int(11);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+          once_value_6 = fra.me.REG[3];
+          register_static_object(&once_value_6);
+        } else fra.me.REG[3] = once_value_6;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+        /* ./compiling//compiling_icode.nit:1077 */
+        goto label1;
       } else {
-        REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
-        /* ./compiling//compiling_icode.nit:711 */
+        /* ./compiling//compiling_icode.nit:1078 */
+        REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[4])(fra.me.REG[4]);
         if (UNTAG_Bool(REGB0)) {
-          REGB0 = TAG_Int(5);
-          fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-          /* ./compiling//compiling_icode.nit:712 */
+          /* ./compiling//compiling_icode.nit:1079 */
+          if (!once_value_7) {
+            fra.me.REG[3] = BOX_NativeString("IS_EQUAL_NN(");
+            REGB0 = TAG_Int(12);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+            once_value_7 = fra.me.REG[3];
+            register_static_object(&once_value_7);
+          } else fra.me.REG[3] = once_value_7;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+        } else {
+          /* ./compiling//compiling_icode.nit:1081 */
           if (!once_value_8) {
-            fra.me.REG[5] = BOX_NativeString("TAG_Bool(IS_EQUAL_NN(");
-            REGB0 = TAG_Int(21);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_8 = fra.me.REG[5];
+            fra.me.REG[3] = BOX_NativeString("IS_EQUAL_ON(");
+            REGB0 = TAG_Int(12);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+            once_value_8 = fra.me.REG[3];
             register_static_object(&once_value_8);
-          } else fra.me.REG[5] = once_value_8;
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          fra.me.REG[5] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
+          } else fra.me.REG[3] = once_value_8;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          /* ./compiling//compiling_icode.nit:1082 */
+          fra.me.REG[3] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
+          fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          /* ./compiling//compiling_icode.nit:1083 */
           if (!once_value_9) {
-            fra.me.REG[5] = BOX_NativeString(",");
+            fra.me.REG[3] = BOX_NativeString(",");
             REGB0 = TAG_Int(1);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_9 = fra.me.REG[5];
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+            once_value_9 = fra.me.REG[3];
             register_static_object(&once_value_9);
-          } else fra.me.REG[5] = once_value_9;
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          fra.me.REG[5] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
+          } else fra.me.REG[3] = once_value_9;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          /* ./compiling//compiling_icode.nit:1084 */
+          fra.me.REG[3] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
+          fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          /* ./compiling//compiling_icode.nit:1085 */
           if (!once_value_10) {
-            fra.me.REG[5] = BOX_NativeString("))");
+            fra.me.REG[3] = BOX_NativeString("))");
             REGB0 = TAG_Int(2);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_10 = fra.me.REG[5];
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+            once_value_10 = fra.me.REG[3];
             register_static_object(&once_value_10);
-          } else fra.me.REG[5] = once_value_10;
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-          fra.me.REG[4] = fra.me.REG[2];
-          goto label2;
-        } else {
-          REGB0 = TAG_Int(5);
-          fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-          /* ./compiling//compiling_icode.nit:714 */
-          if (!once_value_11) {
-            fra.me.REG[5] = BOX_NativeString("TAG_Bool(IS_EQUAL_ON(");
-            REGB0 = TAG_Int(21);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_11 = fra.me.REG[5];
-            register_static_object(&once_value_11);
-          } else fra.me.REG[5] = once_value_11;
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          fra.me.REG[5] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          if (!once_value_12) {
-            fra.me.REG[5] = BOX_NativeString(",");
-            REGB0 = TAG_Int(1);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_12 = fra.me.REG[5];
-            register_static_object(&once_value_12);
-          } else fra.me.REG[5] = once_value_12;
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          fra.me.REG[5] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          if (!once_value_13) {
-            fra.me.REG[5] = BOX_NativeString("))");
-            REGB0 = TAG_Int(2);
-            fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
-            once_value_13 = fra.me.REG[5];
-            register_static_object(&once_value_13);
-          } else fra.me.REG[5] = once_value_13;
-          array___Array___add(fra.me.REG[2], fra.me.REG[5]);
-          fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-          fra.me.REG[4] = fra.me.REG[2];
-          goto label2;
+          } else fra.me.REG[3] = once_value_10;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          /* ./compiling//compiling_icode.nit:1086 */
+          goto label1;
         }
       }
     } else {
-      REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-      /* ./compiling//compiling_icode.nit:717 */
+      /* ./compiling//compiling_icode.nit:1089 */
+      REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
       if (UNTAG_Bool(REGB0)) {
-        /* ./compiling//compiling_icode.nit:718 */
-        if (!once_value_14) {
-          fra.me.REG[2] = BOX_NativeString("TAG_Bool(0)");
-          REGB0 = TAG_Int(11);
-          fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-          once_value_14 = fra.me.REG[2];
-          register_static_object(&once_value_14);
-        } else fra.me.REG[2] = once_value_14;
-        fra.me.REG[4] = fra.me.REG[2];
-        goto label2;
+        /* ./compiling//compiling_icode.nit:1090 */
+        if (!once_value_11) {
+          fra.me.REG[3] = BOX_NativeString("0)");
+          REGB0 = TAG_Int(2);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+          once_value_11 = fra.me.REG[3];
+          register_static_object(&once_value_11);
+        } else fra.me.REG[3] = once_value_11;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+        /* ./compiling//compiling_icode.nit:1091 */
+        goto label1;
       } else {
-        REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
-        /* ./compiling//compiling_icode.nit:719 */
+        /* ./compiling//compiling_icode.nit:1092 */
+        REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[4])(fra.me.REG[4]);
         if (UNTAG_Bool(REGB0)) {
-          REGB0 = TAG_Int(5);
-          fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-          /* ./compiling//compiling_icode.nit:720 */
-          if (!once_value_15) {
-            fra.me.REG[2] = BOX_NativeString("TAG_Bool(IS_EQUAL_ON(");
-            REGB0 = TAG_Int(21);
-            fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-            once_value_15 = fra.me.REG[2];
-            register_static_object(&once_value_15);
-          } else fra.me.REG[2] = once_value_15;
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          fra.me.REG[2] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          if (!once_value_16) {
-            fra.me.REG[2] = BOX_NativeString(",");
-            REGB0 = TAG_Int(1);
-            fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-            once_value_16 = fra.me.REG[2];
-            register_static_object(&once_value_16);
-          } else fra.me.REG[2] = once_value_16;
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          fra.me.REG[2] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          if (!once_value_17) {
-            fra.me.REG[2] = BOX_NativeString("))");
-            REGB0 = TAG_Int(2);
-            fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-            once_value_17 = fra.me.REG[2];
-            register_static_object(&once_value_17);
-          } else fra.me.REG[2] = once_value_17;
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-          fra.me.REG[4] = fra.me.REG[3];
-          goto label2;
+          /* ./compiling//compiling_icode.nit:1093 */
+          if (!once_value_12) {
+            fra.me.REG[4] = BOX_NativeString("IS_EQUAL_ON(");
+            REGB0 = TAG_Int(12);
+            fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+            once_value_12 = fra.me.REG[4];
+            register_static_object(&once_value_12);
+          } else fra.me.REG[4] = once_value_12;
+          fra.me.REG[4] = fra.me.REG[4];
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
         } else {
-          REGB0 = TAG_Int(5);
-          fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-          /* ./compiling//compiling_icode.nit:722 */
-          if (!once_value_18) {
-            fra.me.REG[2] = BOX_NativeString("TAG_Bool(IS_EQUAL_OO(");
-            REGB0 = TAG_Int(21);
-            fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-            once_value_18 = fra.me.REG[2];
-            register_static_object(&once_value_18);
-          } else fra.me.REG[2] = once_value_18;
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          fra.me.REG[2] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          if (!once_value_19) {
-            fra.me.REG[2] = BOX_NativeString(",");
-            REGB0 = TAG_Int(1);
-            fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-            once_value_19 = fra.me.REG[2];
-            register_static_object(&once_value_19);
-          } else fra.me.REG[2] = once_value_19;
-          array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-          fra.me.REG[0] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
-          fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-          array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-          if (!once_value_20) {
-            fra.me.REG[0] = BOX_NativeString("))");
-            REGB0 = TAG_Int(2);
-            fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-            once_value_20 = fra.me.REG[0];
-            register_static_object(&once_value_20);
-          } else fra.me.REG[0] = once_value_20;
-          array___Array___add(fra.me.REG[3], fra.me.REG[0]);
-          fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-          fra.me.REG[4] = fra.me.REG[3];
-          goto label2;
+          /* ./compiling//compiling_icode.nit:1095 */
+          if (!once_value_13) {
+            fra.me.REG[4] = BOX_NativeString("IS_EQUAL_OO(");
+            REGB0 = TAG_Int(12);
+            fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+            once_value_13 = fra.me.REG[4];
+            register_static_object(&once_value_13);
+          } else fra.me.REG[4] = once_value_13;
+          fra.me.REG[4] = fra.me.REG[4];
+          CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
         }
       }
     }
   }
-  label2: while(0);
+  /* ./compiling//compiling_icode.nit:1098 */
+  fra.me.REG[4] = CALL_icode_base___ICode2___expr1(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1099 */
+  if (!once_value_14) {
+    fra.me.REG[4] = BOX_NativeString(",");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+    once_value_14 = fra.me.REG[4];
+    register_static_object(&once_value_14);
+  } else fra.me.REG[4] = once_value_14;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1100 */
+  fra.me.REG[0] = CALL_icode_base___ICode2___expr2(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1101 */
+  if (!once_value_15) {
+    fra.me.REG[0] = BOX_NativeString("))");
+    REGB0 = TAG_Int(2);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_15 = fra.me.REG[0];
+    register_static_object(&once_value_15);
+  } else fra.me.REG[0] = once_value_15;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[4];
+  return;
 }
-val_t compiling_icode___INot___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___INot___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t tmp;
-  static val_t once_value_1; /* Once value */
   static val_t once_value_2; /* Once value */
+  static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 729;
-  fra.me.meth = LOCATE_compiling_icode___INot___inner_compile_to_c;
+  fra.me.line = 1106;
+  fra.me.meth = LOCATE_compiling_icode___INot___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -5361,36 +15120,47 @@ val_t compiling_icode___INot___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(3);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:731 */
-  if (!once_value_1) {
+  /* ./compiling//compiling_icode.nit:1108 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:1109 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1110 */
+  fra.me.REG[2] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1111 */
+  if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("TAG_Bool(!UNTAG_Bool(");
     REGB0 = TAG_Int(21);
     fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_1 = fra.me.REG[3];
-    register_static_object(&once_value_1);
-  } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1112 */
   fra.me.REG[0] = CALL_icode_base___ICode1___expr(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  if (!once_value_2) {
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1113 */
+  if (!once_value_3) {
     fra.me.REG[0] = BOX_NativeString("))");
     REGB0 = TAG_Int(2);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_2 = fra.me.REG[0];
-    register_static_object(&once_value_2);
-  } else fra.me.REG[0] = once_value_2;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  goto label3;
-  label3: while(0);
+    once_value_3 = fra.me.REG[0];
+    register_static_object(&once_value_3);
+  } else fra.me.REG[0] = once_value_3;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
+  return;
 }
-val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+void compiling_icode___IOnce___compile_to_c(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
@@ -5415,34 +15185,37 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
   static val_t once_value_19; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 736;
-  fra.me.meth = LOCATE_compiling_icode___IOnce___inner_compile_to_c;
+  fra.me.line = 1118;
+  fra.me.meth = LOCATE_compiling_icode___IOnce___compile_to_c;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 5;
+  fra.me.REG_size = 6;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:1120 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1121 */
   REGB0 = CALL_compiling_icode___I2CCompilerVisitor___new_number(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1122 */
   fra.me.REG[2] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Bool((fra.me.REG[2]!=NIT_NULL) && VAL_ISA(fra.me.REG[2], COLOR_IRegister, ID_IRegister)) /*cast IRegister*/;
-  /* ./compiling//compiling_icode.nit:739 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Cast failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 739);
-    nit_exit(1);
+    nit_abort("Cast failed", NULL, LOCATE_compiling_icode, 1122);
   }
+  /* ./compiling//compiling_icode.nit:1123 */
   fra.me.REG[3] = CALL_icode_base___IRegister___stype(fra.me.REG[2])(fra.me.REG[2]);
   REGB1 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:740 */
   if (UNTAG_Bool(REGB1)) {
+    /* ./compiling//compiling_icode.nit:1124 */
     REGB1 = TAG_Int(5);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./compiling//compiling_icode.nit:741 */
     if (!once_value_1) {
       fra.me.REG[4] = BOX_NativeString("static val_t once_value_");
       REGB1 = TAG_Int(24);
@@ -5450,9 +15223,10 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_1 = fra.me.REG[4];
       register_static_object(&once_value_1);
     } else fra.me.REG[4] = once_value_1;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_2) {
       fra.me.REG[4] = BOX_NativeString("; static int once_bool_");
       REGB1 = TAG_Int(23);
@@ -5460,9 +15234,10 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_2 = fra.me.REG[4];
       register_static_object(&once_value_2);
     } else fra.me.REG[4] = once_value_2;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_3) {
       fra.me.REG[4] = BOX_NativeString("; /* Once value */");
       REGB1 = TAG_Int(18);
@@ -5470,12 +15245,13 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_3 = fra.me.REG[4];
       register_static_object(&once_value_3);
     } else fra.me.REG[4] = once_value_3;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:1125 */
     REGB1 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./compiling//compiling_icode.nit:742 */
     if (!once_value_4) {
       fra.me.REG[4] = BOX_NativeString("if (!once_bool_");
       REGB1 = TAG_Int(15);
@@ -5483,9 +15259,10 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_4 = fra.me.REG[4];
       register_static_object(&once_value_4);
     } else fra.me.REG[4] = once_value_4;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_5) {
       fra.me.REG[4] = BOX_NativeString(") {");
       REGB1 = TAG_Int(3);
@@ -5493,13 +15270,14 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_5 = fra.me.REG[4];
       register_static_object(&once_value_5);
     } else fra.me.REG[4] = once_value_5;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
   } else {
+    /* ./compiling//compiling_icode.nit:1128 */
     REGB1 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./compiling//compiling_icode.nit:745 */
     if (!once_value_6) {
       fra.me.REG[4] = BOX_NativeString("static val_t once_value_");
       REGB1 = TAG_Int(24);
@@ -5507,9 +15285,10 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_6 = fra.me.REG[4];
       register_static_object(&once_value_6);
     } else fra.me.REG[4] = once_value_6;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_7) {
       fra.me.REG[4] = BOX_NativeString("; /* Once value */");
       REGB1 = TAG_Int(18);
@@ -5517,12 +15296,13 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_7 = fra.me.REG[4];
       register_static_object(&once_value_7);
     } else fra.me.REG[4] = once_value_7;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     CALL_compiling_icode___I2CCompilerVisitor___add_decl(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:1129 */
     REGB1 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./compiling//compiling_icode.nit:746 */
     if (!once_value_8) {
       fra.me.REG[4] = BOX_NativeString("if (!once_value_");
       REGB1 = TAG_Int(16);
@@ -5530,9 +15310,10 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_8 = fra.me.REG[4];
       register_static_object(&once_value_8);
     } else fra.me.REG[4] = once_value_8;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     if (!once_value_9) {
       fra.me.REG[4] = BOX_NativeString(") {");
       REGB1 = TAG_Int(3);
@@ -5540,146 +15321,150 @@ val_t compiling_icode___IOnce___inner_compile_to_c(val_t p0, val_t p1){
       once_value_9 = fra.me.REG[4];
       register_static_object(&once_value_9);
     } else fra.me.REG[4] = once_value_9;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
   }
-  /* ./compiling//compiling_icode.nit:748 */
+  /* ./compiling//compiling_icode.nit:1131 */
   CALL_compiling_icode___I2CCompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1132 */
   fra.me.REG[3] = CALL_icode_base___IOnce___body(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:749 */
   CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-  fra.me.REG[0] = CALL_icode_base___ICode___result(fra.me.REG[0])(fra.me.REG[0]);
-  REGB1 = TAG_Bool((fra.me.REG[0]!=NIT_NULL) && VAL_ISA(fra.me.REG[0], COLOR_IRegister, ID_IRegister)) /*cast IRegister*/;
-  /* ./compiling//compiling_icode.nit:750 */
-  if (UNTAG_Bool(REGB1)) {
-  } else {
-    fprintf(stderr, "Cast failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 750);
-    nit_exit(1);
-  }
-  fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1133 */
+  fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___register(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1134 */
   REGB1 = TAG_Int(5);
-  fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-  /* ./compiling//compiling_icode.nit:751 */
+  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
   if (!once_value_10) {
-    fra.me.REG[4] = BOX_NativeString("once_value_");
+    fra.me.REG[5] = BOX_NativeString("once_value_");
     REGB1 = TAG_Int(11);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_10 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_10 = fra.me.REG[5];
     register_static_object(&once_value_10);
-  } else fra.me.REG[4] = once_value_10;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  } else fra.me.REG[5] = once_value_10;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_string___Object___to_s(REGB0)(REGB0);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   if (!once_value_11) {
-    fra.me.REG[4] = BOX_NativeString(" = ");
+    fra.me.REG[5] = BOX_NativeString(" = ");
     REGB1 = TAG_Int(3);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_11 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_11 = fra.me.REG[5];
     register_static_object(&once_value_11);
-  } else fra.me.REG[4] = once_value_11;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[0]);
+  } else fra.me.REG[5] = once_value_11;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
   if (!once_value_12) {
-    fra.me.REG[4] = BOX_NativeString(";");
+    fra.me.REG[5] = BOX_NativeString(";");
     REGB1 = TAG_Int(1);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_12 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_12 = fra.me.REG[5];
     register_static_object(&once_value_12);
-  } else fra.me.REG[4] = once_value_12;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-  fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  } else fra.me.REG[5] = once_value_12;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1135 */
   REGB1 = TAG_Int(3);
-  fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-  /* ./compiling//compiling_icode.nit:752 */
+  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
   if (!once_value_13) {
-    fra.me.REG[4] = BOX_NativeString("register_static_object(&once_value_");
+    fra.me.REG[5] = BOX_NativeString("register_static_object(&once_value_");
     REGB1 = TAG_Int(35);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_13 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_13 = fra.me.REG[5];
     register_static_object(&once_value_13);
-  } else fra.me.REG[4] = once_value_13;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  } else fra.me.REG[5] = once_value_13;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_string___Object___to_s(REGB0)(REGB0);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   if (!once_value_14) {
-    fra.me.REG[4] = BOX_NativeString(");");
+    fra.me.REG[5] = BOX_NativeString(");");
     REGB1 = TAG_Int(2);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_14 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_14 = fra.me.REG[5];
     register_static_object(&once_value_14);
-  } else fra.me.REG[4] = once_value_14;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-  fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  } else fra.me.REG[5] = once_value_14;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1136 */
   fra.me.REG[2] = CALL_icode_base___IRegister___stype(fra.me.REG[2])(fra.me.REG[2]);
   REGB1 = CALL_static_type___MMType___is_nullable(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:753 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Int(3);
     fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB1);
     if (!once_value_15) {
-      fra.me.REG[3] = BOX_NativeString("once_bool_");
+      fra.me.REG[4] = BOX_NativeString("once_bool_");
       REGB1 = TAG_Int(10);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
-      once_value_15 = fra.me.REG[3];
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_15 = fra.me.REG[4];
       register_static_object(&once_value_15);
-    } else fra.me.REG[3] = once_value_15;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-    fra.me.REG[3] = CALL_string___Object___to_s(REGB0)(REGB0);
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    } else fra.me.REG[4] = once_value_15;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+    fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
     if (!once_value_16) {
-      fra.me.REG[3] = BOX_NativeString(" = true;");
+      fra.me.REG[4] = BOX_NativeString(" = true;");
       REGB1 = TAG_Int(8);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
-      once_value_16 = fra.me.REG[3];
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_16 = fra.me.REG[4];
       register_static_object(&once_value_16);
-    } else fra.me.REG[3] = once_value_16;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    } else fra.me.REG[4] = once_value_16;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
     fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   }
-  /* ./compiling//compiling_icode.nit:754 */
+  /* ./compiling//compiling_icode.nit:1137 */
   CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1138 */
   REGB1 = TAG_Int(5);
   fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB1);
-  /* ./compiling//compiling_icode.nit:755 */
   if (!once_value_17) {
-    fra.me.REG[3] = BOX_NativeString("} else ");
+    fra.me.REG[4] = BOX_NativeString("} else ");
     REGB1 = TAG_Int(7);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
-    once_value_17 = fra.me.REG[3];
+    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+    once_value_17 = fra.me.REG[4];
     register_static_object(&once_value_17);
-  } else fra.me.REG[3] = once_value_17;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
+  } else fra.me.REG[4] = once_value_17;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   if (!once_value_18) {
-    fra.me.REG[3] = BOX_NativeString(" = once_value_");
+    fra.me.REG[4] = BOX_NativeString(" = once_value_");
     REGB1 = TAG_Int(14);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
-    once_value_18 = fra.me.REG[3];
+    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+    once_value_18 = fra.me.REG[4];
     register_static_object(&once_value_18);
-  } else fra.me.REG[3] = once_value_18;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  fra.me.REG[3] = CALL_string___Object___to_s(REGB0)(REGB0);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  } else fra.me.REG[4] = once_value_18;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+  fra.me.REG[4] = CALL_string___Object___to_s(REGB0)(REGB0);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
   if (!once_value_19) {
-    fra.me.REG[3] = BOX_NativeString(";");
+    fra.me.REG[4] = BOX_NativeString(";");
     REGB0 = TAG_Int(1);
-    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-    once_value_19 = fra.me.REG[3];
+    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+    once_value_19 = fra.me.REG[4];
     register_static_object(&once_value_19);
-  } else fra.me.REG[3] = once_value_19;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  } else fra.me.REG[4] = once_value_19;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
   fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:756 */
-  goto label20;
-  label20: while(0);
+  /* ./compiling//compiling_icode.nit:1139 */
+  fra.me.REG[1] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1140 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return;
 }
 void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
@@ -5702,7 +15487,7 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
   static val_t once_value_14; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 761;
+  fra.me.line = 1145;
   fra.me.meth = LOCATE_compiling_icode___IClosCall___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 7;
@@ -5715,15 +15500,15 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
   fra.me.REG[6] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:1147 */
   fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:763 */
   CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1150 */
   REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:766 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:1151 */
     REGB0 = TAG_Int(3);
     fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:767 */
     if (!once_value_1) {
       fra.me.REG[3] = BOX_NativeString("closctx->closure_funs[");
       REGB0 = TAG_Int(22);
@@ -5731,12 +15516,12 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
       once_value_1 = fra.me.REG[3];
       register_static_object(&once_value_1);
     } else fra.me.REG[3] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___closures(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[4] = CALL_icode_base___IClosCall___closure_decl(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[4] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
     if (!once_value_2) {
       fra.me.REG[4] = BOX_NativeString("]");
       REGB0 = TAG_Int(1);
@@ -5744,11 +15529,12 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
       once_value_2 = fra.me.REG[4];
       register_static_object(&once_value_2);
     } else fra.me.REG[4] = once_value_2;
-    array___Array___add(fra.me.REG[2], fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
     fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    /* ./compiling//compiling_icode.nit:1152 */
     REGB0 = TAG_Int(1);
     fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:768 */
     if (!once_value_3) {
       fra.me.REG[3] = BOX_NativeString("closctx->closure_ctx");
       REGB0 = TAG_Int(20);
@@ -5756,11 +15542,12 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
       once_value_3 = fra.me.REG[3];
       register_static_object(&once_value_3);
     } else fra.me.REG[3] = once_value_3;
-    array___Array___add(fra.me.REG[4], fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
   } else {
+    /* ./compiling//compiling_icode.nit:1154 */
     REGB0 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:770 */
     if (!once_value_4) {
       fra.me.REG[5] = BOX_NativeString("CREG[");
       REGB0 = TAG_Int(5);
@@ -5768,12 +15555,12 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
       once_value_4 = fra.me.REG[5];
       register_static_object(&once_value_4);
     } else fra.me.REG[5] = once_value_4;
-    array___Array___add(fra.me.REG[3], fra.me.REG[5]);
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
     fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___closures(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[6] = CALL_icode_base___IClosCall___closure_decl(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[6] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
-    fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
-    array___Array___add(fra.me.REG[3], fra.me.REG[6]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
     if (!once_value_5) {
       fra.me.REG[6] = BOX_NativeString("]");
       REGB0 = TAG_Int(1);
@@ -5781,12 +15568,13 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
       once_value_5 = fra.me.REG[6];
       register_static_object(&once_value_5);
     } else fra.me.REG[6] = once_value_5;
-    array___Array___add(fra.me.REG[3], fra.me.REG[6]);
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     fra.me.REG[2] = fra.me.REG[3];
+    /* ./compiling//compiling_icode.nit:1155 */
     REGB0 = TAG_Int(1);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:771 */
     if (!once_value_6) {
       fra.me.REG[6] = BOX_NativeString("closctx_param");
       REGB0 = TAG_Int(13);
@@ -5794,16 +15582,17 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
       once_value_6 = fra.me.REG[6];
       register_static_object(&once_value_6);
     } else fra.me.REG[6] = once_value_6;
-    array___Array___add(fra.me.REG[3], fra.me.REG[6]);
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
     fra.me.REG[4] = fra.me.REG[3];
   }
+  /* ./compiling//compiling_icode.nit:1157 */
   fra.me.REG[3] = CALL_icode_base___ICodeN___exprs(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___registers(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:773 */
   CALL_abstract_collection___Sequence___append(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1159 */
   REGB0 = TAG_Int(7);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:775 */
   if (!once_value_7) {
     fra.me.REG[6] = BOX_NativeString("((");
     REGB0 = TAG_Int(2);
@@ -5811,11 +15600,12 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_7 = fra.me.REG[6];
     register_static_object(&once_value_7);
   } else fra.me.REG[6] = once_value_7;
-  array___Array___add(fra.me.REG[3], fra.me.REG[6]);
+  fra.me.REG[6] = fra.me.REG[6];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
   fra.me.REG[6] = CALL_compiling_icode___I2CCompilerVisitor___clostypes(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[5] = CALL_icode_base___IClosCall___closure_decl(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[5] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
   if (!once_value_8) {
     fra.me.REG[5] = BOX_NativeString(")(");
     REGB0 = TAG_Int(2);
@@ -5823,8 +15613,9 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_8 = fra.me.REG[5];
     register_static_object(&once_value_8);
   } else fra.me.REG[5] = once_value_8;
-  array___Array___add(fra.me.REG[3], fra.me.REG[5]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   if (!once_value_9) {
     fra.me.REG[2] = BOX_NativeString("))(");
     REGB0 = TAG_Int(3);
@@ -5832,7 +15623,8 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_9 = fra.me.REG[2];
     register_static_object(&once_value_9);
   } else fra.me.REG[2] = once_value_9;
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   if (!once_value_10) {
     fra.me.REG[2] = BOX_NativeString(", ");
     REGB0 = TAG_Int(2);
@@ -5840,8 +15632,9 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_10 = fra.me.REG[2];
     register_static_object(&once_value_10);
   } else fra.me.REG[2] = once_value_10;
+  fra.me.REG[2] = fra.me.REG[2];
   fra.me.REG[2] = CALL_string___Collection___join(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   if (!once_value_11) {
     fra.me.REG[2] = BOX_NativeString(")");
     REGB0 = TAG_Int(1);
@@ -5849,23 +15642,29 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_11 = fra.me.REG[2];
     register_static_object(&once_value_11);
   } else fra.me.REG[2] = once_value_11;
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:776 */
-  CALL_compiling_icode___ICode___store_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1160 */
+  fra.me.REG[2] = NEW_Writer_compiling_writer___Writer___init();
+  /* ./compiling//compiling_icode.nit:1161 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1162 */
+  CALL_compiling_icode___ICode___store_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1165 */
   REGB0 = TAG_Int(3);
-  fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:779 */
+  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
   if (!once_value_12) {
-    fra.me.REG[2] = BOX_NativeString("if (");
+    fra.me.REG[3] = BOX_NativeString("if (");
     REGB0 = TAG_Int(4);
-    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_12 = fra.me.REG[2];
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_12 = fra.me.REG[3];
     register_static_object(&once_value_12);
-  } else fra.me.REG[2] = once_value_12;
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  } else fra.me.REG[3] = once_value_12;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[4] = CALL_abstract_collection___Collection___first(fra.me.REG[4])(fra.me.REG[4]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
   if (!once_value_13) {
     fra.me.REG[4] = BOX_NativeString("->has_broke) {");
     REGB0 = TAG_Int(14);
@@ -5873,14 +15672,16 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_13 = fra.me.REG[4];
     register_static_object(&once_value_13);
   } else fra.me.REG[4] = once_value_13;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-  fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-  /* ./compiling//compiling_icode.nit:780 */
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1166 */
   CALL_compiling_icode___I2CCompilerVisitor___indent(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1167 */
   fra.me.REG[0] = CALL_icode_base___IClosCall___break_seq(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1168 */
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:782 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
@@ -5894,22 +15695,20 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./compiling//compiling_icode.nit:1169 */
     REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-    /* ./compiling//compiling_icode.nit:783 */
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 783);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_compiling_icode, 1169);
     }
     CALL_compiling_icode___ICode___compile_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   }
+  /* ./compiling//compiling_icode.nit:1171 */
   fra.me.REG[0] = CALL_compiling_icode___I2CCompilerVisitor___iroutine(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[0] = CALL_icode_base___IRoutine___body(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:785 */
   CALL_compiling_icode___I2CCompilerVisitor___add_goto(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:786 */
+  /* ./compiling//compiling_icode.nit:1172 */
   CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:787 */
+  /* ./compiling//compiling_icode.nit:1173 */
   if (!once_value_14) {
     fra.me.REG[0] = BOX_NativeString("}");
     REGB0 = TAG_Int(1);
@@ -5917,44 +15716,25 @@ void compiling_icode___IClosCall___compile_to_c(val_t p0, val_t p1){
     once_value_14 = fra.me.REG[0];
     register_static_object(&once_value_14);
   } else fra.me.REG[0] = once_value_14;
+  fra.me.REG[0] = fra.me.REG[0];
   CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t compiling_icode___IClosCall___inner_compile_to_c(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 790;
-  fra.me.meth = LOCATE_compiling_icode___IClosCall___inner_compile_to_c;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  /* ./compiling//compiling_icode.nit:790 */
-  fprintf(stderr, "Aborted");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_compiling_icode, 790);
-  nit_exit(1);
-  stack_frame_head = fra.me.prev;
-  return NIT_NULL;
-}
-val_t compiling_icode___IHasClos___inner_compile_to_c(val_t p0, val_t p1){
+void compiling_icode___IHasClos___compile_to_c(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
   val_t tmp;
-    static val_t once_value_1; /* Once value */
-    static val_t once_value_2; /* Once value */
+  static val_t once_value_2; /* Once value */
     static val_t once_value_3; /* Once value */
     static val_t once_value_4; /* Once value */
-  static val_t once_value_5; /* Once value */
-  static val_t once_value_6; /* Once value */
+    static val_t once_value_5; /* Once value */
+    static val_t once_value_6; /* Once value */
+  static val_t once_value_7; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 794;
-  fra.me.meth = LOCATE_compiling_icode___IHasClos___inner_compile_to_c;
+  fra.me.line = 1178;
+  fra.me.meth = LOCATE_compiling_icode___IHasClos___compile_to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
   fra.me.REG[0] = NIT_NULL;
@@ -5964,87 +15744,95 @@ val_t compiling_icode___IHasClos___inner_compile_to_c(val_t p0, val_t p1){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:1180 */
+  REGB0 = CALL_compiling_icode___ICode___need_result(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./compiling//compiling_icode.nit:1181 */
+  fra.me.REG[2] = CALL_icode_base___ICode___location(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_compiling_icode___I2CCompilerVisitor___add_location(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1182 */
+  fra.me.REG[2] = CALL_compiling_icode___ICode___new_result(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1183 */
+  if (!once_value_2) {
+    fra.me.REG[3] = BOX_NativeString("TAG_Bool(");
+    REGB0 = TAG_Int(9);
+    fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1184 */
   REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:797 */
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Int(3);
-    fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:798 */
-    if (!once_value_1) {
+    /* ./compiling//compiling_icode.nit:1185 */
+    if (!once_value_3) {
       fra.me.REG[3] = BOX_NativeString("closctx->closure_funs[");
       REGB0 = TAG_Int(22);
       fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_1 = fra.me.REG[3];
-      register_static_object(&once_value_1);
-    } else fra.me.REG[3] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+      once_value_3 = fra.me.REG[3];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[3] = once_value_3;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+    /* ./compiling//compiling_icode.nit:1186 */
     fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___closures(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[4] = CALL_icode_base___IHasClos___closure_decl(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[4] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[4]);
-    if (!once_value_2) {
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+    /* ./compiling//compiling_icode.nit:1187 */
+    if (!once_value_4) {
       fra.me.REG[4] = BOX_NativeString("]");
       REGB0 = TAG_Int(1);
       fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-      once_value_2 = fra.me.REG[4];
-      register_static_object(&once_value_2);
-    } else fra.me.REG[4] = once_value_2;
-    array___Array___add(fra.me.REG[2], fra.me.REG[4]);
-    fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      once_value_4 = fra.me.REG[4];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[4] = once_value_4;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
   } else {
-    REGB0 = TAG_Int(3);
-    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./compiling//compiling_icode.nit:800 */
-    if (!once_value_3) {
-      fra.me.REG[3] = BOX_NativeString("CREG[");
+    /* ./compiling//compiling_icode.nit:1189 */
+    if (!once_value_5) {
+      fra.me.REG[4] = BOX_NativeString("CREG[");
       REGB0 = TAG_Int(5);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_3 = fra.me.REG[3];
-      register_static_object(&once_value_3);
-    } else fra.me.REG[3] = once_value_3;
-    array___Array___add(fra.me.REG[4], fra.me.REG[3]);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_5 = fra.me.REG[4];
+      register_static_object(&once_value_5);
+    } else fra.me.REG[4] = once_value_5;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+    /* ./compiling//compiling_icode.nit:1190 */
     fra.me.REG[1] = CALL_compiling_icode___I2CCompilerVisitor___closures(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[0] = CALL_icode_base___IHasClos___closure_decl(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[0] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-    fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-    array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-    if (!once_value_4) {
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+    /* ./compiling//compiling_icode.nit:1191 */
+    if (!once_value_6) {
       fra.me.REG[0] = BOX_NativeString("]");
       REGB0 = TAG_Int(1);
       fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-      once_value_4 = fra.me.REG[0];
-      register_static_object(&once_value_4);
-    } else fra.me.REG[0] = once_value_4;
-    array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-    fra.me.REG[2] = fra.me.REG[4];
+      once_value_6 = fra.me.REG[0];
+      register_static_object(&once_value_6);
+    } else fra.me.REG[0] = once_value_6;
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
   }
-  REGB0 = TAG_Int(3);
-  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:802 */
-  if (!once_value_5) {
-    fra.me.REG[0] = BOX_NativeString("TAG_Bool(");
+  /* ./compiling//compiling_icode.nit:1193 */
+  if (!once_value_7) {
+    fra.me.REG[0] = BOX_NativeString(" != NULL)");
     REGB0 = TAG_Int(9);
     fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
-    once_value_5 = fra.me.REG[0];
-    register_static_object(&once_value_5);
-  } else fra.me.REG[0] = once_value_5;
-  array___Array___add(fra.me.REG[4], fra.me.REG[0]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
-  if (!once_value_6) {
-    fra.me.REG[2] = BOX_NativeString(" != NULL)");
-    REGB0 = TAG_Int(9);
-    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_6 = fra.me.REG[2];
-    register_static_object(&once_value_6);
-  } else fra.me.REG[2] = once_value_6;
-  array___Array___add(fra.me.REG[4], fra.me.REG[2]);
-  fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-  goto label7;
-  label7: while(0);
+    once_value_7 = fra.me.REG[0];
+    register_static_object(&once_value_7);
+  } else fra.me.REG[0] = once_value_7;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_writer___Writer___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[4];
+  return;
 }
 val_t compiling_icode___IClosureDef___compile_closure(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
@@ -6064,7 +15852,7 @@ val_t compiling_icode___IClosureDef___compile_closure(val_t p0, val_t p1){
   static val_t once_value_10; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling_icode;
-  fra.me.line = 807;
+  fra.me.line = 1198;
   fra.me.meth = LOCATE_compiling_icode___IClosureDef___compile_closure;
   fra.me.has_broke = 0;
   fra.me.REG_size = 9;
@@ -6079,86 +15867,98 @@ val_t compiling_icode___IClosureDef___compile_closure(val_t p0, val_t p1){
   fra.me.REG[8] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./compiling//compiling_icode.nit:1202 */
   fra.me.REG[2] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1205 */
   REGB0 = CALL_compiling_icode___I2CCompilerVisitor___closure(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1206 */
   REGB1 = TAG_Bool(true);
-  /* ./compiling//compiling_icode.nit:815 */
   CALL_compiling_icode___I2CCompilerVisitor___closure__eq(fra.me.REG[1])(fra.me.REG[1], REGB1);
+  /* ./compiling//compiling_icode.nit:1209 */
   fra.me.REG[3] = CALL_compiling_icode___I2CCompilerVisitor___local_labels(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./compiling//compiling_icode.nit:1210 */
   fra.me.REG[4] = NEW_HashSet_hash_collection___HashSet___init();
-  /* ./compiling//compiling_icode.nit:819 */
   CALL_compiling_icode___I2CCompilerVisitor___local_labels__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_compiling_base___CompilerVisitor___ctx(fra.me.REG[2])(fra.me.REG[2]);
-  fra.me.REG[5] = NEW_CContext_compiling_base___CContext___init();
-  /* ./compiling//compiling_icode.nit:823 */
-  CALL_compiling_base___CompilerVisitor___ctx__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
-  fra.me.REG[5] = CALL_compiling_base___CompilerVisitor___out_contexts(fra.me.REG[2])(fra.me.REG[2]);
-  fra.me.REG[6] = CALL_compiling_base___CompilerVisitor___ctx(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:824 */
-  array___Array___add(fra.me.REG[5], fra.me.REG[6]);
+  /* ./compiling//compiling_icode.nit:1213 */
+  fra.me.REG[4] = CALL_compiling_base___CompilerVisitor___decl_writer(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1214 */
+  fra.me.REG[5] = CALL_compiling_base___CompilerVisitor___writer(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./compiling//compiling_icode.nit:1215 */
+  fra.me.REG[6] = CALL_compiling_base___CompilerVisitor___top_writer(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[6] = CALL_compiling_writer___Writer___sub(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_compiling_base___CompilerVisitor___writer__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* ./compiling//compiling_icode.nit:1216 */
+  fra.me.REG[6] = CALL_compiling_base___CompilerVisitor___header_writer(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[6] = CALL_compiling_writer___Writer___sub(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_compiling_base___CompilerVisitor___decl_writer__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* ./compiling//compiling_icode.nit:1219 */
   REGB1 = TAG_Int(5);
   fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
-  /* ./compiling//compiling_icode.nit:827 */
   if (!once_value_1) {
-    fra.me.REG[5] = BOX_NativeString("OC_");
+    fra.me.REG[7] = BOX_NativeString("OC_");
     REGB1 = TAG_Int(3);
-    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-    once_value_1 = fra.me.REG[5];
+    fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+    once_value_1 = fra.me.REG[7];
     register_static_object(&once_value_1);
-  } else fra.me.REG[5] = once_value_1;
-  array___Array___add(fra.me.REG[6], fra.me.REG[5]);
-  fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___basecname(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[6], fra.me.REG[5]);
+  } else fra.me.REG[7] = once_value_1;
+  fra.me.REG[7] = fra.me.REG[7];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+  fra.me.REG[7] = CALL_compiling_icode___I2CCompilerVisitor___basecname(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
   if (!once_value_2) {
-    fra.me.REG[5] = BOX_NativeString("_");
+    fra.me.REG[7] = BOX_NativeString("_");
     REGB1 = TAG_Int(1);
-    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-    once_value_2 = fra.me.REG[5];
+    fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+    once_value_2 = fra.me.REG[7];
     register_static_object(&once_value_2);
-  } else fra.me.REG[5] = once_value_2;
-  array___Array___add(fra.me.REG[6], fra.me.REG[5]);
+  } else fra.me.REG[7] = once_value_2;
+  fra.me.REG[7] = fra.me.REG[7];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
   REGB1 = CALL_compiling_icode___I2CCompilerVisitor___new_number(fra.me.REG[1])(fra.me.REG[1]);
-  fra.me.REG[5] = CALL_string___Object___to_s(REGB1)(REGB1);
-  array___Array___add(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[7] = CALL_string___Object___to_s(REGB1)(REGB1);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
   if (!once_value_3) {
-    fra.me.REG[5] = BOX_NativeString("");
+    fra.me.REG[7] = BOX_NativeString("");
     REGB1 = TAG_Int(0);
-    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-    once_value_3 = fra.me.REG[5];
+    fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+    once_value_3 = fra.me.REG[7];
     register_static_object(&once_value_3);
-  } else fra.me.REG[5] = once_value_3;
-  array___Array___add(fra.me.REG[6], fra.me.REG[5]);
+  } else fra.me.REG[7] = once_value_3;
+  fra.me.REG[7] = fra.me.REG[7];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
   fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
-  fra.me.REG[5] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:828 */
+  /* ./compiling//compiling_icode.nit:1220 */
+  fra.me.REG[7] = CALL_compiling_icode___I2CCompilerVisitor___visitor(fra.me.REG[1])(fra.me.REG[1]);
   if (!once_value_4) {
-    fra.me.REG[7] = BOX_NativeString("struct stack_frame_t *closctx");
+    fra.me.REG[8] = BOX_NativeString("struct stack_frame_t *closctx");
     REGB1 = TAG_Int(29);
-    fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
-    once_value_4 = fra.me.REG[7];
+    fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+    once_value_4 = fra.me.REG[8];
     register_static_object(&once_value_4);
-  } else fra.me.REG[7] = once_value_4;
-  fra.me.REG[7] = CALL_compiling_icode___IRoutine___compile_signature_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[5], fra.me.REG[6], NIT_NULL, fra.me.REG[7], NIT_NULL);
-  fra.me.REG[5] = CALL_compiling_base___CompilerVisitor___ctx(fra.me.REG[2])(fra.me.REG[2]);
-  fra.me.REG[8] = NEW_CContext_compiling_base___CContext___init();
-  /* ./compiling//compiling_icode.nit:830 */
-  CALL_compiling_base___CompilerVisitor___ctx__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[8]);
-  fra.me.REG[7] = CALL_compiling_icode___IRoutine___compile_inside_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[7]);
-  REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
-  /* ./compiling//compiling_icode.nit:832 */
+  } else fra.me.REG[8] = once_value_4;
+  fra.me.REG[8] = fra.me.REG[8];
+  fra.me.REG[8] = CALL_compiling_icode___IRoutine___compile_signature_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[7], fra.me.REG[6], NIT_NULL, fra.me.REG[8], NIT_NULL);
+  /* ./compiling//compiling_icode.nit:1221 */
+  fra.me.REG[7] = CALL_compiling_base___CompilerVisitor___writer(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[7] = CALL_compiling_writer___Writer___sub(fra.me.REG[7])(fra.me.REG[7]);
+  CALL_compiling_base___CompilerVisitor___decl_writer__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[7]);
+  /* ./compiling//compiling_icode.nit:1223 */
+  fra.me.REG[8] = CALL_compiling_icode___IRoutine___compile_inside_to_c(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[8]);
+  /* ./compiling//compiling_icode.nit:1224 */
+  REGB1 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+    REGB2 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
     if (UNTAG_Bool(REGB2)) {
       REGB2 = TAG_Bool(false);
       REGB1 = REGB2;
     } else {
-      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[7])(fra.me.REG[7], NIT_NULL);
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], NIT_NULL);
       REGB1 = REGB2;
     }
   }
   if (UNTAG_Bool(REGB1)) {
-    /* ./compiling//compiling_icode.nit:833 */
+    /* ./compiling//compiling_icode.nit:1225 */
     if (!once_value_5) {
       fra.me.REG[0] = BOX_NativeString("return;");
       REGB1 = TAG_Int(7);
@@ -6166,56 +15966,57 @@ val_t compiling_icode___IClosureDef___compile_closure(val_t p0, val_t p1){
       once_value_5 = fra.me.REG[0];
       register_static_object(&once_value_5);
     } else fra.me.REG[0] = once_value_5;
+    fra.me.REG[0] = fra.me.REG[0];
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   } else {
+    /* ./compiling//compiling_icode.nit:1227 */
     REGB1 = TAG_Int(3);
     fra.me.REG[0] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./compiling//compiling_icode.nit:835 */
     if (!once_value_6) {
-      fra.me.REG[8] = BOX_NativeString("return ");
+      fra.me.REG[7] = BOX_NativeString("return ");
       REGB1 = TAG_Int(7);
-      fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
-      once_value_6 = fra.me.REG[8];
+      fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
+      once_value_6 = fra.me.REG[7];
       register_static_object(&once_value_6);
-    } else fra.me.REG[8] = once_value_6;
-    array___Array___add(fra.me.REG[0], fra.me.REG[8]);
-    array___Array___add(fra.me.REG[0], fra.me.REG[7]);
+    } else fra.me.REG[7] = once_value_6;
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[7]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[8]);
     if (!once_value_7) {
-      fra.me.REG[7] = BOX_NativeString(";");
+      fra.me.REG[8] = BOX_NativeString(";");
       REGB1 = TAG_Int(1);
-      fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB1);
-      once_value_7 = fra.me.REG[7];
+      fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+      once_value_7 = fra.me.REG[8];
       register_static_object(&once_value_7);
-    } else fra.me.REG[7] = once_value_7;
-    array___Array___add(fra.me.REG[0], fra.me.REG[7]);
+    } else fra.me.REG[8] = once_value_7;
+    fra.me.REG[8] = fra.me.REG[8];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[8]);
     fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
     CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   }
-  fra.me.REG[0] = CALL_compiling_base___CompilerVisitor___ctx(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./compiling//compiling_icode.nit:837 */
-  CALL_compiling_base___CContext___append(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[0]);
-  /* ./compiling//compiling_icode.nit:838 */
-  CALL_compiling_base___CompilerVisitor___ctx__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
-  /* ./compiling//compiling_icode.nit:839 */
+  /* ./compiling//compiling_icode.nit:1229 */
   CALL_compiling_icode___I2CCompilerVisitor___unindent(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./compiling//compiling_icode.nit:840 */
+  /* ./compiling//compiling_icode.nit:1230 */
   if (!once_value_8) {
-    fra.me.REG[5] = BOX_NativeString("}");
+    fra.me.REG[0] = BOX_NativeString("}");
     REGB1 = TAG_Int(1);
-    fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-    once_value_8 = fra.me.REG[5];
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB1);
+    once_value_8 = fra.me.REG[0];
     register_static_object(&once_value_8);
-  } else fra.me.REG[5] = once_value_8;
-  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-  /* ./compiling//compiling_icode.nit:843 */
-  CALL_compiling_base___CompilerVisitor___ctx__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
-  /* ./compiling//compiling_icode.nit:844 */
+  } else fra.me.REG[0] = once_value_8;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_compiling_icode___I2CCompilerVisitor___add_instr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./compiling//compiling_icode.nit:1233 */
+  CALL_compiling_base___CompilerVisitor___writer__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+  /* ./compiling//compiling_icode.nit:1234 */
+  CALL_compiling_base___CompilerVisitor___decl_writer__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+  /* ./compiling//compiling_icode.nit:1235 */
   CALL_compiling_icode___I2CCompilerVisitor___closure__eq(fra.me.REG[1])(fra.me.REG[1], REGB0);
-  /* ./compiling//compiling_icode.nit:845 */
+  /* ./compiling//compiling_icode.nit:1236 */
   CALL_compiling_icode___I2CCompilerVisitor___local_labels__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./compiling//compiling_icode.nit:1237 */
   REGB0 = TAG_Int(3);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./compiling//compiling_icode.nit:846 */
   if (!once_value_9) {
     fra.me.REG[1] = BOX_NativeString("((fun_t)");
     REGB0 = TAG_Int(8);
@@ -6223,8 +16024,9 @@ val_t compiling_icode___IClosureDef___compile_closure(val_t p0, val_t p1){
     once_value_9 = fra.me.REG[1];
     register_static_object(&once_value_9);
   } else fra.me.REG[1] = once_value_9;
-  array___Array___add(fra.me.REG[3], fra.me.REG[1]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[6]);
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
   if (!once_value_10) {
     fra.me.REG[6] = BOX_NativeString(")");
     REGB0 = TAG_Int(1);
@@ -6232,7 +16034,8 @@ val_t compiling_icode___IClosureDef___compile_closure(val_t p0, val_t p1){
     once_value_10 = fra.me.REG[6];
     register_static_object(&once_value_10);
   } else fra.me.REG[6] = once_value_10;
-  array___Array___add(fra.me.REG[3], fra.me.REG[6]);
+  fra.me.REG[6] = fra.me.REG[6];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
   goto label11;
   label11: while(0);