c_src: update

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

diff --git a/c_src/genericity._sep.c b/c_src/genericity._sep.c
index ed02c05..f7c00a9 100644 (file)
--- a/c_src/genericity._sep.c
+++ b/c_src/genericity._sep.c
@@ -1,66 +1,5 @@
 /* This C file is generated by NIT to compile module genericity. */
 #include "genericity._sep.h"
-val_t genericity___MMLocalClass___get_type(val_t p0){
-  struct {struct stack_frame_t me; val_t MORE_REG[2];} 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_genericity;
-  fra.me.line = 80;
-  fra.me.meth = LOCATE_genericity___MMLocalClass___get_type;
-  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] = fra.me.REG[0];
-  fra.me.REG[2] = ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[1]);
-  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./metamodel//genericity.nit:82 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    REGB1 = TAG_Bool(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[2])(fra.me.REG[2], NIT_NULL);
-      REGB0 = REGB1;
-    }
-  }
-  if (UNTAG_Bool(REGB0)) {
-    REGB0 = CALL_genericity___MMLocalClass___is_generic(fra.me.REG[1])(fra.me.REG[1]);
-  } else {
-    REGB1 = TAG_Bool(false);
-    REGB0 = REGB1;
-  }
-  if (UNTAG_Bool(REGB0)) {
-    fra.me.REG[2] = CALL_genericity___MMLocalClass___formals_types(fra.me.REG[1])(fra.me.REG[1]);
-    fra.me.REG[2] = CALL_genericity___MMLocalClass___get_instantiate_type(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-    /* ./metamodel//genericity.nit:83 */
-    ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[1]) = fra.me.REG[2];
-    fra.me.REG[1] = ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[1]);
-    REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_MMType, ID_MMType)) /*cast MMType*/;
-    /* ./metamodel//genericity.nit:84 */
-    if (UNTAG_Bool(REGB0)) {
-    } else {
-      fprintf(stderr, "Cast failed");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 84);
-      nit_exit(1);
-    }
-    goto label1;
-  } else {
-    fra.me.REG[0] = CALL_SUPER_genericity___MMLocalClass___get_type(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[1] = fra.me.REG[0];
-    /* ./metamodel//genericity.nit:86 */
-    goto label1;
-  }
-  label1: while(0);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[1];
-}
 val_t genericity___MMLocalClass___get_formal(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -76,41 +15,40 @@ val_t genericity___MMLocalClass___get_formal(val_t p0, val_t p1){
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   REGB0 = p1;
+  /* ./metamodel//genericity.nit:28 */
   fra.me.REG[0] = CALL_genericity___MMLocalClass___formals_types(fra.me.REG[0])(fra.me.REG[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:233 */
+  /* ./../lib/standard//collection//array.nit:245 */
   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);
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
     }
     REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+    /* ./../lib/standard//kernel.nit:212 */
     REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//collection//array.nit:233 */
   } else {
+    /* ./../lib/standard//collection//array.nit:245 */
     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);
+    nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
   }
+  /* ./../lib/standard//collection//array.nit:246 */
   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);
+    nit_abort("Reciever is null", NULL, LOCATE_array, 246);
   }
+  /* ./../lib/standard//collection//array.nit:654 */
   fra.me.REG[0] = ((Nit_NativeArray)fra.me.REG[0])->val[UNTAG_Int(REGB0)];
-  /* ./../lib/standard//collection//array.nit:234 */
+  /* ./../lib/standard//collection//array.nit:246 */
   goto label1;
   label1: while(0);
   /* ./metamodel//genericity.nit:28 */
@@ -136,9 +74,9 @@ void genericity___MMLocalClass___register_formal(val_t p0, val_t p1){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./metamodel//genericity.nit:35 */
   fra.me.REG[2] = CALL_genericity___MMTypeFormalParameter___def_class(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[0]));
-  /* ./metamodel//genericity.nit:35 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
@@ -146,254 +84,283 @@ void genericity___MMLocalClass___register_formal(val_t p0, val_t p1){
   }
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Assert failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 35);
-    nit_exit(1);
+    nit_abort("Assert failed", NULL, LOCATE_genericity, 35);
   }
+  /* ./metamodel//genericity.nit:36 */
   REGB0 = CALL_genericity___MMTypeFormalParameter___position(fra.me.REG[1])(fra.me.REG[1]);
   REGB1 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
-  /* ./metamodel//genericity.nit:36 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_formals_types");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 36);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_formals_types", LOCATE_genericity, 36);
   }
   fra.me.REG[2] = ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0]);
-  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   /* ./../lib/standard//collection//array.nit:23 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_length");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
   }
   REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
-  REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   /* ./metamodel//genericity.nit:36 */
+  REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB1 = TAG_Bool((REGB0)==(REGB1));
+    /* ./metamodel//genericity.nit:36 */
     REGB2 = REGB1;
-  /* ./metamodel//genericity.nit:36 */
   }
   if (UNTAG_Bool(REGB2)) {
   } else {
-    fprintf(stderr, "Assert failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 36);
-    nit_exit(1);
+    nit_abort("Assert failed", NULL, LOCATE_genericity, 36);
   }
-  REGB2 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:37 */
+  REGB2 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_formals_types");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 37);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_formals_types", LOCATE_genericity, 37);
   }
   fra.me.REG[0] = ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[0], fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   stack_frame_head = fra.me.prev;
   return;
 }
 val_t genericity___MMLocalClass___get_instantiate_type(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[4];} 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_genericity;
   fra.me.line = 43;
   fra.me.meth = LOCATE_genericity___MMLocalClass___get_instantiate_type;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 4;
+  fra.me.REG_size = 5;
   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;
-  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____types(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:46 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____types(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_types");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 46);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_types", LOCATE_genericity, 46);
   }
   fra.me.REG[2] = ATTR_genericity___MMLocalClass____types(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_abstract_collection___Collection___iterator(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[3] = ATTR_array___Array____items(fra.me.REG[2]);
+  /* ./../lib/standard//collection//array.nit:237 */
   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]);
-      REGB0 = CALL_genericity___MMTypeGeneric___params_equals(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB0)];
       /* ./metamodel//genericity.nit:47 */
-      if (UNTAG_Bool(REGB0)) {
+      REGB1 = CALL_genericity___MMTypeGeneric___params_equals(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
+      if (UNTAG_Bool(REGB1)) {
         goto label1;
       }
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB0 = REGB1;
     } else {
-      /* ./metamodel//genericity.nit:46 */
+      /* ./../lib/standard//collection//array.nit:237 */
       goto label2;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
   }
   label2: while(0);
+  /* ./metamodel//genericity.nit:49 */
   fra.me.REG[1] = NEW_MMTypeGeneric_genericity___MMTypeGeneric___init(fra.me.REG[0], fra.me.REG[1]);
-  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____types(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:50 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____types(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_types");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 50);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_types", LOCATE_genericity, 50);
   }
   fra.me.REG[0] = ATTR_genericity___MMLocalClass____types(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[0], fra.me.REG[1]);
-  fra.me.REG[3] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   /* ./metamodel//genericity.nit:51 */
+  fra.me.REG[4] = fra.me.REG[1];
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[3];
+  return fra.me.REG[4];
 }
 val_t genericity___MMLocalClass___formals_types(val_t p0){
-  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 REGB3;
+  val_t REGB4;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_genericity;
   fra.me.line = 57;
   fra.me.meth = LOCATE_genericity___MMLocalClass___formals_types;
   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;
-  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:61 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_formals_types");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 61);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_formals_types", LOCATE_genericity, 61);
   }
   fra.me.REG[1] = ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0]);
   REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[1])(fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//genericity.nit:62 */
     REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[0], COLOR_MMConcreteClass, ID_MMConcreteClass)) /*cast MMConcreteClass*/;
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-    /* ./metamodel//genericity.nit:62 */
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Assert failed");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 62);
-      nit_exit(1);
+      nit_abort("Assert failed", NULL, LOCATE_genericity, 62);
     }
+    /* ./metamodel//genericity.nit:65 */
     REGB0 = TAG_Int(0);
     REGB1 = CALL_abstractmetamodel___MMLocalClass___arity(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[1] = NEW_Range_range___Range___without_last(REGB0, REGB1);
-    fra.me.REG[1] = CALL_abstract_collection___Collection___iterator(fra.me.REG[1])(fra.me.REG[1]);
-    /* ./metamodel//genericity.nit:65 */
+    /* ./../lib/standard//kernel.nit:332 */
     while(1) {
-      REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[1])(fra.me.REG[1]);
-      if (UNTAG_Bool(REGB1)) {
-        REGB1 = CALL_abstract_collection___Iterator___item(fra.me.REG[1])(fra.me.REG[1]);
-        fra.me.REG[2] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[0])(fra.me.REG[0]);
-        fra.me.REG[2] = CALL_abstractmetamodel___MMGlobalClass___intro(fra.me.REG[2])(fra.me.REG[2]);
-        fra.me.REG[2] = CALL_genericity___MMLocalClass___get_formal(fra.me.REG[2])(fra.me.REG[2], REGB1);
-        fra.me.REG[2] = CALL_type_formal___MMTypeFormal___name(fra.me.REG[2])(fra.me.REG[2]);
-        fra.me.REG[2] = NEW_MMTypeFormalParameter_genericity___MMTypeFormalParameter___init(fra.me.REG[2], REGB1, fra.me.REG[0]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//kernel.nit:332 */
+      if (UNTAG_Bool(REGB2)) {
+        /* ./metamodel//genericity.nit:65 */
+        REGB2 = REGB0;
+        /* ./metamodel//genericity.nit:66 */
+        fra.me.REG[1] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[0])(fra.me.REG[0]);
+        fra.me.REG[1] = CALL_abstractmetamodel___MMGlobalClass___intro(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[1] = CALL_genericity___MMLocalClass___get_formal(fra.me.REG[1])(fra.me.REG[1], REGB2);
+        /* ./metamodel//genericity.nit:67 */
+        fra.me.REG[1] = CALL_type_formal___MMTypeFormal___name(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[1] = NEW_MMTypeFormalParameter_genericity___MMTypeFormalParameter___init(fra.me.REG[1], REGB2, fra.me.REG[0]);
         /* ./metamodel//genericity.nit:68 */
-        CALL_genericity___MMLocalClass___register_formal(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+        CALL_genericity___MMLocalClass___register_formal(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+        /* ./../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 {
-        /* ./metamodel//genericity.nit:65 */
+        /* ./../lib/standard//kernel.nit:332 */
         goto label1;
       }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[1])(fra.me.REG[1]);
     }
     label1: while(0);
-    REGB1 = TAG_Int(0);
-    REGB0 = CALL_abstractmetamodel___MMLocalClass___arity(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[1] = NEW_Range_range___Range___without_last(REGB1, REGB0);
-    fra.me.REG[1] = CALL_abstract_collection___Collection___iterator(fra.me.REG[1])(fra.me.REG[1]);
     /* ./metamodel//genericity.nit:71 */
+    REGB0 = TAG_Int(0);
+    REGB1 = CALL_abstractmetamodel___MMLocalClass___arity(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[1])(fra.me.REG[1]);
-      if (UNTAG_Bool(REGB0)) {
-        REGB0 = CALL_abstract_collection___Iterator___item(fra.me.REG[1])(fra.me.REG[1]);
-        fra.me.REG[2] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[0])(fra.me.REG[0]);
-        fra.me.REG[2] = CALL_abstractmetamodel___MMGlobalClass___intro(fra.me.REG[2])(fra.me.REG[2]);
-        fra.me.REG[2] = CALL_genericity___MMLocalClass___get_formal(fra.me.REG[2])(fra.me.REG[2], REGB0);
-        REGB1 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//kernel.nit:332 */
+      if (UNTAG_Bool(REGB2)) {
+        /* ./metamodel//genericity.nit:71 */
+        REGB2 = REGB0;
+        /* ./metamodel//genericity.nit:72 */
+        fra.me.REG[1] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[0])(fra.me.REG[0]);
+        fra.me.REG[1] = CALL_abstractmetamodel___MMGlobalClass___intro(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[1] = CALL_genericity___MMLocalClass___get_formal(fra.me.REG[1])(fra.me.REG[1], REGB2);
         /* ./metamodel//genericity.nit:73 */
-        if (UNTAG_Bool(REGB1)) {
+        REGB3 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
         } else {
-          fprintf(stderr, "Uninitialized attribute %s", "_formals_types");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 73);
-          nit_exit(1);
+          nit_abort("Uninitialized attribute %s", "_formals_types", LOCATE_genericity, 73);
         }
-        fra.me.REG[3] = ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0]);
-        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[3])!=NIT_NULL);
-          if (UNTAG_Bool(REGB1)) {
+        fra.me.REG[2] = ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0]);
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB3 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB3 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB3)) {
+          REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+          if (UNTAG_Bool(REGB3)) {
           } 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);
           }
-          REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
-          REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-        /* ./../lib/standard//collection//array.nit:233 */
+          REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
         } else {
-          REGB2 = TAG_Bool(false);
-          REGB1 = REGB2;
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB4 = TAG_Bool(false);
+          REGB3 = REGB4;
         }
-        if (UNTAG_Bool(REGB1)) {
+        if (UNTAG_Bool(REGB3)) {
         } 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[3] = ATTR_array___Array____items(fra.me.REG[3]);
-        REGB1 = TAG_Bool(fra.me.REG[3]==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);
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+        REGB3 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
         }
-        fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB0)];
-        /* ./../lib/standard//collection//array.nit:234 */
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB2)];
+        /* ./../lib/standard//collection//array.nit:246 */
         goto label2;
         label2: while(0);
-        fra.me.REG[2] = CALL_type_formal___MMTypeFormal___bound(fra.me.REG[2])(fra.me.REG[2]);
-        fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___module(fra.me.REG[0])(fra.me.REG[0]);
-        fra.me.REG[4] = CALL_static_type___MMType___for_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
         /* ./metamodel//genericity.nit:74 */
-        CALL_genericity___MMTypeFormalParameter___bound__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+        fra.me.REG[1] = CALL_type_formal___MMTypeFormal___bound(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+        fra.me.REG[3] = CALL_static_type___MMType___for_module(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+        CALL_genericity___MMTypeFormalParameter___bound__eq(fra.me.REG[2])(fra.me.REG[2], 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 {
-        /* ./metamodel//genericity.nit:71 */
+        /* ./../lib/standard//kernel.nit:332 */
         goto label3;
       }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[1])(fra.me.REG[1]);
     }
     label3: while(0);
   }
-  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:77 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_formals_types");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 77);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_formals_types", LOCATE_genericity, 77);
   }
   fra.me.REG[0] = ATTR_genericity___MMLocalClass____formals_types(fra.me.REG[0]);
   goto label4;
@@ -401,6 +368,66 @@ val_t genericity___MMLocalClass___formals_types(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+val_t genericity___MMLocalClass___get_type(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} 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_genericity;
+  fra.me.line = 80;
+  fra.me.meth = LOCATE_genericity___MMLocalClass___get_type;
+  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;
+  /* ./metamodel//genericity.nit:80 */
+  fra.me.REG[1] = fra.me.REG[0];
+  /* ./metamodel//genericity.nit:82 */
+  fra.me.REG[2] = ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(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[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = CALL_genericity___MMLocalClass___is_generic(fra.me.REG[1])(fra.me.REG[1]);
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//genericity.nit:83 */
+    fra.me.REG[2] = CALL_genericity___MMLocalClass___formals_types(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[2] = CALL_genericity___MMLocalClass___get_instantiate_type(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[1]) = fra.me.REG[2];
+    /* ./metamodel//genericity.nit:84 */
+    fra.me.REG[1] = ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[1]);
+    REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_genericity, 84);
+    }
+    goto label1;
+  } else {
+    /* ./metamodel//genericity.nit:86 */
+    fra.me.REG[0] = CALL_SUPER_genericity___MMLocalClass___get_type(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = fra.me.REG[0];
+    goto label1;
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
 val_t genericity___MMLocalClass___is_generic(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -414,8 +441,10 @@ val_t genericity___MMLocalClass___is_generic(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:91 */
   REGB0 = CALL_abstractmetamodel___MMLocalClass___arity(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
   /* ./metamodel//genericity.nit:91 */
   goto label1;
@@ -433,9 +462,7 @@ val_t genericity___MMType___is_generic(val_t p0){
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   /* ./metamodel//genericity.nit:95 */
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 95);
-  nit_exit(1);
+  nit_abort("Deferred method called", NULL, LOCATE_genericity, 95);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
@@ -451,13 +478,11 @@ val_t genericity___MMTypeFormal___is_generic(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:100 */
   fra.me.REG[0] = ATTR_type_formal___MMTypeFormal____bound(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./metamodel//genericity.nit:100 */
   if (UNTAG_Bool(REGB0)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 100);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_genericity, 100);
   }
   REGB0 = CALL_genericity___MMType___is_generic(fra.me.REG[0])(fra.me.REG[0]);
   goto label1;
@@ -477,94 +502,63 @@ val_t genericity___MMTypeSimpleClass___is_generic(val_t p0){
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(false);
   /* ./metamodel//genericity.nit:104 */
+  REGB0 = TAG_Bool(false);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t genericity___MMTypeGeneric___to_s(val_t p0){
+val_t genericity___MMTypeGeneric___params(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_genericity;
+  fra.me.line = 109;
+  fra.me.meth = LOCATE_genericity___MMTypeGeneric___params;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:109 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 109);
+  }
+  fra.me.REG[0] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t genericity___MMTypeGeneric___is_generic(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_genericity;
+  fra.me.line = 112;
+  fra.me.meth = LOCATE_genericity___MMTypeGeneric___is_generic;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:112 */
+  REGB0 = TAG_Bool(true);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t genericity___MMTypeGeneric___is_supertype(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 */
-  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_genericity;
-  fra.me.line = 171;
-  fra.me.meth = LOCATE_genericity___MMTypeGeneric___to_s;
-  fra.me.has_broke = 0;
-  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] = fra.me.REG[0];
-  REGB0 = TAG_Int(5);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./metamodel//genericity.nit:173 */
-  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]);
-  fra.me.REG[0] = CALL_SUPER_genericity___MMTypeGeneric___to_s(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  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;
-  array___Array___add(fra.me.REG[2], fra.me.REG[0]);
-  REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[1])!=NIT_NULL);
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_params");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 173);
-    nit_exit(1);
-  }
-  fra.me.REG[1] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[1]);
-  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] = CALL_string___Collection___join(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);
-    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]);
-  goto label5;
-  label5: while(0);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
-}
-val_t genericity___MMTypeGeneric___is_supertype(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_genericity;
-  fra.me.line = 114;
-  fra.me.meth = LOCATE_genericity___MMTypeGeneric___is_supertype;
+  fra.me.line = 114;
+  fra.me.meth = LOCATE_genericity___MMTypeGeneric___is_supertype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -573,47 +567,82 @@ val_t genericity___MMTypeGeneric___is_supertype(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./metamodel//genericity.nit:116 */
   fra.me.REG[2] = CALL_static_type___MMType___local_class(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[2] = CALL_abstractmetamodel___MMLocalClass___cshe(fra.me.REG[2])(fra.me.REG[2]);
   REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
-  /* ./metamodel//genericity.nit:116 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_local_class");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 116);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_genericity, 116);
   }
   fra.me.REG[3] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
   REGB0 = CALL_partial_order___PartialOrderElement_____leq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
     /* ./metamodel//genericity.nit:117 */
+    REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_local_class");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 117);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_genericity, 117);
     }
     fra.me.REG[3] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
     fra.me.REG[3] = CALL_static_type___MMType___upcast_for(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeGeneric, ID_MMTypeGeneric)) /*cast MMTypeGeneric*/;
     /* ./metamodel//genericity.nit:118 */
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeGeneric, ID_MMTypeGeneric)) /*cast MMTypeGeneric*/;
     if (UNTAG_Bool(REGB0)) {
-      REGB0 = CALL_genericity___MMTypeGeneric___is_subtype(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
       /* ./metamodel//genericity.nit:119 */
+      REGB0 = CALL_genericity___MMTypeGeneric___is_subtype(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
       goto label1;
     }
   }
+  /* ./metamodel//genericity.nit:122 */
   REGB1 = TAG_Bool(false);
   REGB0 = REGB1;
-  /* ./metamodel//genericity.nit:122 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+val_t genericity___MMTypeGeneric___upcast_for(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 tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_genericity;
+  fra.me.line = 125;
+  fra.me.meth = LOCATE_genericity___MMTypeGeneric___upcast_for;
+  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;
+  /* ./metamodel//genericity.nit:125 */
+  fra.me.REG[2] = fra.me.REG[0];
+  /* ./metamodel//genericity.nit:127 */
+  fra.me.REG[1] = CALL_SUPER_genericity___MMTypeGeneric___upcast_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./metamodel//genericity.nit:128 */
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//genericity.nit:129 */
+    fra.me.REG[2] = CALL_static_type___MMType___adapt_to(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[1] = fra.me.REG[2];
+  }
+  /* ./metamodel//genericity.nit:131 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
 val_t genericity___MMTypeGeneric___for_module(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
@@ -622,19 +651,21 @@ val_t genericity___MMTypeGeneric___for_module(val_t p0, val_t p1){
   fra.me.line = 134;
   fra.me.meth = LOCATE_genericity___MMTypeGeneric___for_module;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 6;
+  fra.me.REG_size = 7;
   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;
+  /* ./metamodel//genericity.nit:136 */
   fra.me.REG[2] = fra.me.REG[0];
-  fra.me.REG[3] = CALL_static_type___MMType___module(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[1]));
   /* ./metamodel//genericity.nit:137 */
+  fra.me.REG[3] = CALL_static_type___MMType___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+  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]);
@@ -642,44 +673,72 @@ val_t genericity___MMTypeGeneric___for_module(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//genericity.nit:138 */
     fra.me.REG[3] = NEW_Array_array___Array___init();
-    REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
     /* ./metamodel//genericity.nit:139 */
+    REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_params");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 139);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 139);
     }
     fra.me.REG[4] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-    fra.me.REG[4] = CALL_abstract_collection___Collection___iterator(fra.me.REG[4])(fra.me.REG[4]);
+    /* ./../lib/standard//collection//array.nit:234 */
+    REGB0 = TAG_Int(0);
+    /* ./../lib/standard//collection//array.nit:235 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+    /* ./../lib/standard//collection//array.nit:236 */
+    fra.me.REG[5] = ATTR_array___Array____items(fra.me.REG[4]);
+    /* ./../lib/standard//collection//array.nit:237 */
     while(1) {
-      REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[4])(fra.me.REG[4]);
-      if (UNTAG_Bool(REGB0)) {
-        fra.me.REG[5] = CALL_abstract_collection___Iterator___item(fra.me.REG[4])(fra.me.REG[4]);
-        fra.me.REG[5] = CALL_static_type___MMType___for_module(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1]);
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+      }
+      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:237 */
+      if (UNTAG_Bool(REGB1)) {
+        /* ./../lib/standard//collection//array.nit:238 */
+        REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB0)];
         /* ./metamodel//genericity.nit:140 */
-        array___Array___add(fra.me.REG[3], fra.me.REG[5]);
+        fra.me.REG[6] = CALL_static_type___MMType___for_module(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[1]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB1 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB0 = REGB1;
       } else {
-        /* ./metamodel//genericity.nit:139 */
+        /* ./../lib/standard//collection//array.nit:237 */
         goto label1;
       }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[4])(fra.me.REG[4]);
     }
     label1: while(0);
-    REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
     /* ./metamodel//genericity.nit:142 */
+    REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_local_class");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 142);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_genericity, 142);
     }
     fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
     fra.me.REG[1] = CALL_abstractmetamodel___MMLocalClass___for_module(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./metamodel//genericity.nit:143 */
     fra.me.REG[3] = CALL_genericity___MMLocalClass___get_instantiate_type(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
     fra.me.REG[2] = fra.me.REG[3];
-  /* ./metamodel//genericity.nit:143 */
   }
   /* ./metamodel//genericity.nit:145 */
   goto label2;
@@ -688,54 +747,84 @@ val_t genericity___MMTypeGeneric___for_module(val_t p0, val_t p1){
   return fra.me.REG[2];
 }
 val_t genericity___MMTypeGeneric___adapt_to(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} 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_genericity;
   fra.me.line = 148;
   fra.me.meth = LOCATE_genericity___MMTypeGeneric___adapt_to;
   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;
+  /* ./metamodel//genericity.nit:150 */
   fra.me.REG[2] = NEW_Array_array___Array___init();
-  REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:151 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_params");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 151);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 151);
   }
   fra.me.REG[3] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-  fra.me.REG[3] = CALL_abstract_collection___Collection___iterator(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[3]);
+  /* ./../lib/standard//collection//array.nit:237 */
   while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[3])(fra.me.REG[3]);
-    if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[4] = CALL_abstract_collection___Iterator___item(fra.me.REG[3])(fra.me.REG[3]);
-      fra.me.REG[4] = CALL_static_type___MMType___adapt_to(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[5] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB0)];
       /* ./metamodel//genericity.nit:152 */
-      array___Array___add(fra.me.REG[2], fra.me.REG[4]);
+      fra.me.REG[5] = CALL_static_type___MMType___adapt_to(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB0 = REGB1;
     } else {
-      /* ./metamodel//genericity.nit:151 */
+      /* ./../lib/standard//collection//array.nit:237 */
       goto label1;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[3])(fra.me.REG[3]);
   }
   label1: while(0);
-  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:154 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_local_class");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 154);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_genericity, 154);
   }
   fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
   fra.me.REG[2] = CALL_genericity___MMLocalClass___get_instantiate_type(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
@@ -745,440 +834,429 @@ val_t genericity___MMTypeGeneric___adapt_to(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
-val_t genericity___MMTypeGeneric___upcast_for(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 tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_genericity;
-  fra.me.line = 125;
-  fra.me.meth = LOCATE_genericity___MMTypeGeneric___upcast_for;
-  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] = fra.me.REG[0];
-  fra.me.REG[1] = CALL_SUPER_genericity___MMTypeGeneric___upcast_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
-  /* ./metamodel//genericity.nit:128 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-    REGB0 = REGB1;
-  }
-  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  if (UNTAG_Bool(REGB0)) {
-    fra.me.REG[2] = CALL_static_type___MMType___adapt_to(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-    fra.me.REG[1] = fra.me.REG[2];
-  /* ./metamodel//genericity.nit:129 */
-  }
-  /* ./metamodel//genericity.nit:131 */
-  goto label1;
-  label1: while(0);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[1];
-}
-val_t genericity___MMTypeGeneric___is_generic(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_genericity;
-  fra.me.line = 112;
-  fra.me.meth = LOCATE_genericity___MMTypeGeneric___is_generic;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(true);
-  /* ./metamodel//genericity.nit:112 */
-  goto label1;
-  label1: while(0);
-  stack_frame_head = fra.me.prev;
-  return REGB0;
-}
-val_t genericity___MMTypeGeneric___params(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_genericity;
-  fra.me.line = 109;
-  fra.me.meth = LOCATE_genericity___MMTypeGeneric___params;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
-  /* ./metamodel//genericity.nit:109 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_params");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 109);
-    nit_exit(1);
-  }
-  fra.me.REG[0] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
 val_t genericity___MMTypeGeneric___params_equals(val_t p0, val_t p1){
-  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 REGB3;
   val_t REGB4;
+  val_t REGB5;
+  val_t REGB6;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_genericity;
   fra.me.line = 158;
   fra.me.meth = LOCATE_genericity___MMTypeGeneric___params_equals;
   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;
-  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_length");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
   }
   REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[1]);
-  REGB1 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
   /* ./metamodel//genericity.nit:160 */
+  REGB1 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_params");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 160);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 160);
   }
   fra.me.REG[2] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   /* ./../lib/standard//collection//array.nit:23 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_length");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
   }
   REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
-  REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   /* ./metamodel//genericity.nit:160 */
+  REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB1 = TAG_Bool((REGB0)==(REGB1));
+    /* ./metamodel//genericity.nit:160 */
     REGB2 = REGB1;
-  /* ./metamodel//genericity.nit:160 */
   }
   REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
   if (UNTAG_Bool(REGB2)) {
-    REGB2 = TAG_Bool(false);
     /* ./metamodel//genericity.nit:161 */
+    REGB2 = TAG_Bool(false);
     goto label1;
   }
+  /* ./metamodel//genericity.nit:163 */
   REGB1 = TAG_Int(0);
-  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_length");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
   }
   REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[1]);
-  fra.me.REG[2] = NEW_Range_range___Range___without_last(REGB1, REGB0);
-  fra.me.REG[2] = CALL_abstract_collection___Collection___iterator(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./metamodel//genericity.nit:163 */
+  /* ./../lib/standard//kernel.nit:332 */
   while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[2])(fra.me.REG[2]);
-    if (UNTAG_Bool(REGB0)) {
-      REGB0 = CALL_abstract_collection___Iterator___item(fra.me.REG[2])(fra.me.REG[2]);
-      REGB1 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB3 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB3)) {
+      /* ./metamodel//genericity.nit:163 */
+      REGB3 = REGB1;
       /* ./metamodel//genericity.nit:164 */
-      if (UNTAG_Bool(REGB1)) {
+      REGB4 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
+      if (UNTAG_Bool(REGB4)) {
       } else {
-        fprintf(stderr, "Uninitialized attribute %s", "_params");
-        fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 164);
-        nit_exit(1);
+        nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 164);
       }
-      fra.me.REG[3] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-      REGB1 = REGB0;
-      REGB3 = TAG_Int(0);
-      REGB3 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB3));
-      /* ./../lib/standard//collection//array.nit:233 */
-      if (UNTAG_Bool(REGB3)) {
-        REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
-        if (UNTAG_Bool(REGB3)) {
+      fra.me.REG[2] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
+      /* ./../lib/standard//collection//array.nit:243 */
+      REGB4 = REGB3;
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB5 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB5 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB5));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB5)) {
+        REGB5 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+        if (UNTAG_Bool(REGB5)) {
         } 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);
         }
-        REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
-        REGB3 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB3));
-      /* ./../lib/standard//collection//array.nit:233 */
+        REGB5 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB5 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB5));
       } else {
-        REGB4 = TAG_Bool(false);
-        REGB3 = REGB4;
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB6 = TAG_Bool(false);
+        REGB5 = REGB6;
       }
-      if (UNTAG_Bool(REGB3)) {
+      if (UNTAG_Bool(REGB5)) {
       } 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[3] = ATTR_array___Array____items(fra.me.REG[3]);
-      REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-      /* ./../lib/standard//collection//array.nit:234 */
-      if (UNTAG_Bool(REGB3)) {
-        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[2] = ATTR_array___Array____items(fra.me.REG[2]);
+      REGB5 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB5)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
       }
-      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB1)];
-      /* ./../lib/standard//collection//array.nit:234 */
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB4)];
+      /* ./../lib/standard//collection//array.nit:246 */
       goto label2;
       label2: while(0);
-      fra.me.REG[4] = fra.me.REG[1];
-      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[4])!=NIT_NULL);
-        if (UNTAG_Bool(REGB1)) {
+      /* ./../lib/standard//collection//array.nit:243 */
+      fra.me.REG[3] = fra.me.REG[1];
+      /* ./../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[3])!=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);
         }
-        REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
-        REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-      /* ./../lib/standard//collection//array.nit:233 */
+        REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
       } else {
-        REGB3 = TAG_Bool(false);
-        REGB1 = REGB3;
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB5 = TAG_Bool(false);
+        REGB4 = REGB5;
       }
-      if (UNTAG_Bool(REGB1)) {
+      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[4] = ATTR_array___Array____items(fra.me.REG[4]);
-      REGB1 = TAG_Bool(fra.me.REG[4]==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);
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[3] = ATTR_array___Array____items(fra.me.REG[3]);
+      REGB4 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB4)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
       }
-      fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB0)];
-      /* ./../lib/standard//collection//array.nit:234 */
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB3)];
+      /* ./../lib/standard//collection//array.nit:246 */
       goto label3;
       label3: while(0);
-      REGB0 = TAG_Bool(IS_EQUAL_NN(fra.me.REG[3],fra.me.REG[4]));
       /* ./metamodel//genericity.nit:164 */
-      if (UNTAG_Bool(REGB0)) {
+      REGB3 = TAG_Bool(IS_EQUAL_NN(fra.me.REG[2],fra.me.REG[3]));
+      if (UNTAG_Bool(REGB3)) {
       } else {
-        REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-        if (UNTAG_Bool(REGB1)) {
-          REGB1 = TAG_Bool(false);
-          REGB0 = REGB1;
+        REGB4 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB4)) {
+          REGB4 = TAG_Bool(false);
+          REGB3 = REGB4;
         } else {
-          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-          REGB0 = REGB1;
+          REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          REGB3 = REGB4;
         }
       }
-      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-      if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Bool(false);
-        REGB2 = REGB0;
+      REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+      if (UNTAG_Bool(REGB3)) {
         /* ./metamodel//genericity.nit:165 */
+        REGB3 = TAG_Bool(false);
+        REGB2 = REGB3;
         goto label1;
       }
+      /* ./../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 {
-      /* ./metamodel//genericity.nit:163 */
+      /* ./../lib/standard//kernel.nit:332 */
       goto label4;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
   }
   label4: while(0);
-  REGB0 = TAG_Bool(true);
-  REGB2 = REGB0;
   /* ./metamodel//genericity.nit:168 */
+  REGB1 = TAG_Bool(true);
+  REGB2 = REGB1;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB2;
 }
+val_t genericity___MMTypeGeneric___to_s(val_t p0){
+  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_genericity;
+  fra.me.line = 171;
+  fra.me.meth = LOCATE_genericity___MMTypeGeneric___to_s;
+  fra.me.has_broke = 0;
+  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;
+  /* ./metamodel//genericity.nit:171 */
+  fra.me.REG[1] = fra.me.REG[0];
+  /* ./metamodel//genericity.nit:173 */
+  REGB0 = TAG_Int(5);
+  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
+  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;
+  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[0] = CALL_SUPER_genericity___MMTypeGeneric___to_s(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  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_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[1])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 173);
+  }
+  fra.me.REG[1] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[1]);
+  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];
+  fra.me.REG[0] = CALL_string___Collection___join(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  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_abstract_collection___SimpleCollection___add(fra.me.REG[2])(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 label5;
+  label5: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
 val_t genericity___MMTypeGeneric___is_subtype(val_t p0, val_t p1){
-  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 REGB3;
+  val_t REGB4;
+  val_t REGB5;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_genericity;
   fra.me.line = 176;
   fra.me.meth = LOCATE_genericity___MMTypeGeneric___is_subtype;
   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;
+  /* ./metamodel//genericity.nit:180 */
   REGB0 = TAG_Int(0);
   REGB1 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
-  /* ./metamodel//genericity.nit:180 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_params");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 180);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 180);
   }
   fra.me.REG[2] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   /* ./../lib/standard//collection//array.nit:23 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_length");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
   }
   REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
-  fra.me.REG[2] = NEW_Range_range___Range___without_last(REGB0, REGB1);
-  fra.me.REG[2] = CALL_abstract_collection___Collection___iterator(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./metamodel//genericity.nit:180 */
+  /* ./../lib/standard//kernel.nit:332 */
   while(1) {
-    REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[2])(fra.me.REG[2]);
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = CALL_abstract_collection___Iterator___item(fra.me.REG[2])(fra.me.REG[2]);
-      fra.me.REG[3] = CALL_genericity___MMTypeGeneric___params(fra.me.REG[1])(fra.me.REG[1]);
-      REGB0 = REGB1;
-      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[3])!=NIT_NULL);
-        if (UNTAG_Bool(REGB2)) {
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./metamodel//genericity.nit:180 */
+      REGB2 = REGB0;
+      /* ./metamodel//genericity.nit:182 */
+      fra.me.REG[2] = CALL_genericity___MMTypeGeneric___params(fra.me.REG[1])(fra.me.REG[1]);
+      /* ./../lib/standard//collection//array.nit:243 */
+      REGB3 = REGB2;
+      /* ./../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[2])!=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[3]);
-        REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:233 */
+        REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+        /* ./../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[3] = ATTR_array___Array____items(fra.me.REG[3]);
-      REGB2 = TAG_Bool(fra.me.REG[3]==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[2] = ATTR_array___Array____items(fra.me.REG[2]);
+      REGB4 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB4)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
       }
-      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB0)];
-      /* ./../lib/standard//collection//array.nit:234 */
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB3)];
+      /* ./../lib/standard//collection//array.nit:246 */
       goto label1;
       label1: while(0);
-      REGB0 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
       /* ./metamodel//genericity.nit:182 */
-      if (UNTAG_Bool(REGB0)) {
+      REGB3 = TAG_Bool(ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0])!=NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
       } else {
-        fprintf(stderr, "Uninitialized attribute %s", "_params");
-        fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 182);
-        nit_exit(1);
+        nit_abort("Uninitialized attribute %s", "_params", LOCATE_genericity, 182);
       }
-      fra.me.REG[4] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
-      REGB0 = TAG_Int(0);
-      REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
-      /* ./../lib/standard//collection//array.nit:233 */
-      if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
-        if (UNTAG_Bool(REGB0)) {
+      fra.me.REG[3] = ATTR_genericity___MMTypeGeneric____params(fra.me.REG[0]);
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB3 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB3 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB3)) {
+        REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
         } 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);
         }
-        REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
-        REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-      /* ./../lib/standard//collection//array.nit:233 */
+        REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
       } else {
-        REGB2 = TAG_Bool(false);
-        REGB0 = REGB2;
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB4 = TAG_Bool(false);
+        REGB3 = REGB4;
       }
-      if (UNTAG_Bool(REGB0)) {
+      if (UNTAG_Bool(REGB3)) {
       } 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[4] = ATTR_array___Array____items(fra.me.REG[4]);
-      REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-      /* ./../lib/standard//collection//array.nit:234 */
-      if (UNTAG_Bool(REGB0)) {
-        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[3] = ATTR_array___Array____items(fra.me.REG[3]);
+      REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
       }
-      fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB1)];
-      /* ./../lib/standard//collection//array.nit:234 */
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB2)];
+      /* ./../lib/standard//collection//array.nit:246 */
       goto label2;
       label2: while(0);
-      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       /* ./metamodel//genericity.nit:182 */
-      if (UNTAG_Bool(REGB1)) {
-        fprintf(stderr, "Reciever is null");
-        fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 182);
-        nit_exit(1);
+      REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_genericity, 182);
       }
-      REGB1 = CALL_static_type___MMType_____l(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
-      if (UNTAG_Bool(REGB1)) {
-        REGB1 = TAG_Bool(false);
+      REGB2 = CALL_static_type___MMType_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+      if (UNTAG_Bool(REGB2)) {
         /* ./metamodel//genericity.nit:183 */
+        REGB2 = TAG_Bool(false);
         goto label3;
       }
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB3 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB0 = REGB3;
     } else {
-      /* ./metamodel//genericity.nit:180 */
+      /* ./../lib/standard//kernel.nit:332 */
       goto label4;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
   }
   label4: while(0);
-  REGB0 = TAG_Bool(true);
-  REGB1 = REGB0;
   /* ./metamodel//genericity.nit:186 */
+  REGB0 = TAG_Bool(true);
+  REGB2 = REGB0;
   goto label3;
   label3: while(0);
   stack_frame_head = fra.me.prev;
-  return REGB1;
+  return REGB2;
 }
 void genericity___MMTypeGeneric___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMTypeGeneric].i;
@@ -1198,6 +1276,7 @@ void genericity___MMTypeGeneric___init(val_t p0, val_t p1, val_t p2, int* init_t
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./metamodel//genericity.nit:189 */
   fra.me.REG[3] = fra.me.REG[0];
   /* ./metamodel//genericity.nit:191 */
   CALL_static_type___MMTypeClass___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], init_table);
@@ -1207,28 +1286,70 @@ void genericity___MMTypeGeneric___init(val_t p0, val_t p1, val_t p2, int* init_t
   init_table[itpos0] = 1;
   return;
 }
-val_t genericity___MMTypeFormalParameter___module(val_t p0){
+val_t genericity___MMTypeFormalParameter___def_class(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_genericity;
-  fra.me.line = 204;
-  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___module;
+  fra.me.line = 198;
+  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___def_class;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:198 */
   REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_def_class", LOCATE_genericity, 198);
+  }
+  fra.me.REG[0] = ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t genericity___MMTypeFormalParameter___position(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_genericity;
+  fra.me.line = 201;
+  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___position;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:201 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____position(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_position", LOCATE_genericity, 201);
+  }
+  REGB0 = ATTR_genericity___MMTypeFormalParameter____position(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t genericity___MMTypeFormalParameter___mmmodule(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_genericity;
+  fra.me.line = 204;
+  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___mmmodule;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
   /* ./metamodel//genericity.nit:204 */
+  REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_def_class");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 204);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_def_class", LOCATE_genericity, 204);
   }
   fra.me.REG[0] = ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_abstractmetamodel___MMLocalClass___module(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
@@ -1251,10 +1372,11 @@ val_t genericity___MMTypeFormalParameter___for_module(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./metamodel//genericity.nit:208 */
   fra.me.REG[2] = fra.me.REG[0];
-  fra.me.REG[3] = CALL_static_type___MMType___module(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[1]));
   /* ./metamodel//genericity.nit:209 */
+  fra.me.REG[3] = CALL_static_type___MMType___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+  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]);
@@ -1262,13 +1384,11 @@ val_t genericity___MMTypeFormalParameter___for_module(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0])!=NIT_NULL);
     /* ./metamodel//genericity.nit:210 */
+    REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_def_class");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 210);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_def_class", LOCATE_genericity, 210);
     }
     fra.me.REG[3] = ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0]);
     fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[3])(fra.me.REG[3]);
@@ -1283,79 +1403,6 @@ val_t genericity___MMTypeFormalParameter___for_module(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
-val_t genericity___MMTypeFormalParameter___adapt_to(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;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_genericity;
-  fra.me.line = 223;
-  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___adapt_to;
-  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_type_formal___MMType___direct_type(fra.me.REG[1])(fra.me.REG[1]);
-  fra.me.REG[1] = fra.me.REG[2];
-  fra.me.REG[2] = CALL_genericity___MMTypeFormalParameter___def_class(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_static_type___MMType___upcast_for(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeGeneric, ID_MMTypeGeneric)) /*cast MMTypeGeneric*/;
-  /* ./metamodel//genericity.nit:231 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    fprintf(stderr, "Assert failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 231);
-    nit_exit(1);
-  }
-  fra.me.REG[2] = CALL_genericity___MMTypeGeneric___params(fra.me.REG[2])(fra.me.REG[2]);
-  REGB0 = CALL_genericity___MMTypeFormalParameter___position(fra.me.REG[0])(fra.me.REG[0]);
-  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[2])!=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[2]);
-    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[2] = ATTR_array___Array____items(fra.me.REG[2]);
-  REGB1 = TAG_Bool(fra.me.REG[2]==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[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB0)];
-  /* ./../lib/standard//collection//array.nit:234 */
-  goto label1;
-  label1: while(0);
-  /* ./metamodel//genericity.nit:233 */
-  goto label2;
-  label2: while(0);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
-}
 val_t genericity___MMTypeFormalParameter___upcast_for(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1370,13 +1417,11 @@ val_t genericity___MMTypeFormalParameter___upcast_for(val_t p0, val_t p1){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./metamodel//genericity.nit:215 */
   fra.me.REG[0] = ATTR_type_formal___MMTypeFormal____bound(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
-  /* ./metamodel//genericity.nit:215 */
   if (UNTAG_Bool(REGB0)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 215);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_genericity, 215);
   }
   fra.me.REG[1] = CALL_static_type___MMType___upcast_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   goto label1;
@@ -1384,63 +1429,55 @@ val_t genericity___MMTypeFormalParameter___upcast_for(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t genericity___MMTypeFormalParameter___def_class(val_t p0){
-  struct {struct stack_frame_t me;} fra;
+void genericity___MMTypeFormalParameter___bound__eq(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 tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_genericity;
-  fra.me.line = 198;
-  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___def_class;
+  fra.me.line = 217;
+  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___bound__eq;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  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;
-  REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0])!=NIT_NULL);
-  /* ./metamodel//genericity.nit:198 */
+  fra.me.REG[1] = p1;
+  /* ./metamodel//genericity.nit:219 */
+  fra.me.REG[2] = ATTR_type_formal___MMTypeFormal____bound(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_def_class");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 198);
-    nit_exit(1);
+    REGB1 = TAG_Bool(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[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
   }
-  fra.me.REG[0] = ATTR_genericity___MMTypeFormalParameter____def_class(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
-val_t genericity___MMTypeFormalParameter___position(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_genericity;
-  fra.me.line = 201;
-  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___position;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_genericity___MMTypeFormalParameter____position(fra.me.REG[0])!=NIT_NULL);
-  /* ./metamodel//genericity.nit:201 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_position");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 201);
-    nit_exit(1);
+    nit_abort("Assert failed", NULL, LOCATE_genericity, 219);
   }
-  REGB0 = ATTR_genericity___MMTypeFormalParameter____position(fra.me.REG[0]);
+  /* ./metamodel//genericity.nit:220 */
+  ATTR_type_formal___MMTypeFormal____bound(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
-  return REGB0;
+  return;
 }
-void genericity___MMTypeFormalParameter___bound__eq(val_t p0, val_t p1){
+val_t genericity___MMTypeFormalParameter___adapt_to(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;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_genericity;
-  fra.me.line = 217;
-  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___bound__eq;
+  fra.me.line = 223;
+  fra.me.meth = LOCATE_genericity___MMTypeFormalParameter___adapt_to;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
@@ -1448,30 +1485,60 @@ void genericity___MMTypeFormalParameter___bound__eq(val_t p0, val_t p1){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  fra.me.REG[2] = ATTR_type_formal___MMTypeFormal____bound(fra.me.REG[0]);
-  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./metamodel//genericity.nit:219 */
+  /* ./metamodel//genericity.nit:225 */
+  fra.me.REG[2] = CALL_type_formal___MMType___direct_type(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = fra.me.REG[2];
+  /* ./metamodel//genericity.nit:226 */
+  fra.me.REG[2] = CALL_genericity___MMTypeFormalParameter___def_class(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_static_type___MMType___upcast_for(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./metamodel//genericity.nit:231 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeGeneric, ID_MMTypeGeneric)) /*cast MMTypeGeneric*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    nit_abort("Assert failed", NULL, LOCATE_genericity, 231);
+  }
+  /* ./metamodel//genericity.nit:232 */
+  fra.me.REG[2] = CALL_genericity___MMTypeGeneric___params(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = CALL_genericity___MMTypeFormalParameter___position(fra.me.REG[0])(fra.me.REG[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[2])(fra.me.REG[2], 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;
   }
-  if (UNTAG_Bool(REGB0)) {
+  if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Assert failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_genericity, 219);
-    nit_exit(1);
+    nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
   }
-  /* ./metamodel//genericity.nit:220 */
-  ATTR_type_formal___MMTypeFormal____bound(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./../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 label1;
+  label1: while(0);
+  /* ./metamodel//genericity.nit:233 */
+  goto label2;
+  label2: while(0);
   stack_frame_head = fra.me.prev;
-  return;
+  return fra.me.REG[2];
 }
 void genericity___MMTypeFormalParameter___with_bound(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, int* init_table){
   int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMTypeFormalParameter].i;
@@ -1522,6 +1589,7 @@ void genericity___MMTypeFormalParameter___init(val_t p0, val_t p1, val_t p2, val
   fra.me.REG[1] = p1;
   REGB0 = p2;
   fra.me.REG[2] = p3;
+  /* ./metamodel//genericity.nit:242 */
   fra.me.REG[3] = fra.me.REG[0];
   /* ./metamodel//genericity.nit:244 */
   CALL_type_formal___MMTypeFormal___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], NIT_NULL, init_table);
@@ -1533,6 +1601,25 @@ void genericity___MMTypeFormalParameter___init(val_t p0, val_t p1, val_t p2, val
   init_table[itpos2] = 1;
   return;
 }
+val_t genericity___MMTypeNone___is_generic(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_genericity;
+  fra.me.line = 251;
+  fra.me.meth = LOCATE_genericity___MMTypeNone___is_generic;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//genericity.nit:251 */
+  REGB0 = TAG_Bool(false);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
 val_t genericity___MMTypeNone___for_module(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -1571,22 +1658,3 @@ val_t genericity___MMTypeNone___adapt_to(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-val_t genericity___MMTypeNone___is_generic(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_genericity;
-  fra.me.line = 251;
-  fra.me.meth = LOCATE_genericity___MMTypeNone___is_generic;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(false);
-  /* ./metamodel//genericity.nit:251 */
-  goto label1;
-  label1: while(0);
-  stack_frame_head = fra.me.prev;
-  return REGB0;
-}