c_src: update

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

diff --git a/c_src/mmloader._sep.c b/c_src/mmloader._sep.c
index ccc28a6..128275d 100644 (file)
--- a/c_src/mmloader._sep.c
+++ b/c_src/mmloader._sep.c
@@ -1,5 +1,43 @@
 /* This C file is generated by NIT to compile module mmloader. */
 #include "mmloader._sep.h"
+val_t mmloader___Message___location(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_mmloader;
+  fra.me.line = 30;
+  fra.me.meth = LOCATE_mmloader___Message___location;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./mmloader.nit:30 */
+  fra.me.REG[0] = ATTR_mmloader___Message____location(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t mmloader___Message___text(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_mmloader;
+  fra.me.line = 31;
+  fra.me.meth = LOCATE_mmloader___Message___text;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./mmloader.nit:31 */
+  REGB0 = TAG_Bool(ATTR_mmloader___Message____text(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_text", LOCATE_mmloader, 31);
+  }
+  fra.me.REG[0] = ATTR_mmloader___Message____text(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
 val_t mmloader___Message_____l(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -17,9 +55,9 @@ val_t mmloader___Message_____l(val_t p0, val_t p1){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./mmloader.nit:34 */
   fra.me.REG[2] = CALL_mmloader___Message___location(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./mmloader.nit:34 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -35,9 +73,9 @@ val_t mmloader___Message_____l(val_t p0, val_t p1){
     REGB0 = TAG_Bool(true);
     goto label1;
   }
+  /* ./mmloader.nit:35 */
   fra.me.REG[2] = CALL_mmloader___Message___location(fra.me.REG[1])(fra.me.REG[1]);
   REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./mmloader.nit:35 */
   if (UNTAG_Bool(REGB1)) {
   } else {
     REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -54,28 +92,22 @@ val_t mmloader___Message_____l(val_t p0, val_t p1){
     REGB0 = REGB1;
     goto label1;
   }
+  /* ./mmloader.nit:37 */
   fra.me.REG[0] = CALL_mmloader___Message___location(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
-  /* ./mmloader.nit:37 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Cast failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 37);
-    nit_exit(1);
+    nit_abort("Cast failed", NULL, LOCATE_mmloader, 37);
   }
   fra.me.REG[1] = CALL_mmloader___Message___location(fra.me.REG[1])(fra.me.REG[1]);
   REGB1 = TAG_Bool(fra.me.REG[1]!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Cast failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 37);
-    nit_exit(1);
+    nit_abort("Cast failed", NULL, LOCATE_mmloader, 37);
   }
   REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 37);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_mmloader, 37);
   }
   REGB1 = CALL_kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   REGB0 = REGB1;
@@ -85,7 +117,7 @@ val_t mmloader___Message_____l(val_t p0, val_t p1){
   return REGB0;
 }
 val_t mmloader___Message___to_s(val_t p0){
-  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;
@@ -97,15 +129,17 @@ val_t mmloader___Message___to_s(val_t p0){
   fra.me.line = 40;
   fra.me.meth = LOCATE_mmloader___Message___to_s;
   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;
+  /* ./mmloader.nit:41 */
   fra.me.REG[1] = CALL_mmloader___Message___location(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./mmloader.nit:42 */
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./mmloader.nit:41 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
@@ -118,34 +152,35 @@ val_t mmloader___Message___to_s(val_t p0){
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    fra.me.REG[1] = CALL_mmloader___Message___text(fra.me.REG[0])(fra.me.REG[0]);
-    /* ./mmloader.nit:42 */
+    /* ./mmloader.nit:43 */
+    fra.me.REG[2] = CALL_mmloader___Message___text(fra.me.REG[0])(fra.me.REG[0]);
     goto label1;
   } else {
+    /* ./mmloader.nit:45 */
     REGB0 = TAG_Int(5);
-    fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./mmloader.nit:44 */
+    fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
     if (!once_value_2) {
-      fra.me.REG[3] = BOX_NativeString("");
+      fra.me.REG[4] = BOX_NativeString("");
       REGB0 = TAG_Int(0);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_2 = fra.me.REG[3];
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_2 = fra.me.REG[4];
       register_static_object(&once_value_2);
-    } else fra.me.REG[3] = once_value_2;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-    fra.me.REG[3] = CALL_mmloader___Message___location(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    } else fra.me.REG[4] = once_value_2;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     if (!once_value_3) {
-      fra.me.REG[3] = BOX_NativeString(": ");
+      fra.me.REG[1] = BOX_NativeString(": ");
       REGB0 = TAG_Int(2);
-      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
-      once_value_3 = fra.me.REG[3];
+      fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+      once_value_3 = fra.me.REG[1];
       register_static_object(&once_value_3);
-    } else fra.me.REG[3] = once_value_3;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+    } else fra.me.REG[1] = once_value_3;
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     fra.me.REG[0] = CALL_mmloader___Message___text(fra.me.REG[0])(fra.me.REG[0]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[0]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
     if (!once_value_4) {
       fra.me.REG[0] = BOX_NativeString("");
       REGB0 = TAG_Int(0);
@@ -153,54 +188,15 @@ val_t mmloader___Message___to_s(val_t p0){
       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]);
-    fra.me.REG[1] = fra.me.REG[2];
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[2] = fra.me.REG[3];
     goto label1;
   }
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[1];
-}
-val_t mmloader___Message___location(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_mmloader;
-  fra.me.line = 30;
-  fra.me.meth = LOCATE_mmloader___Message___location;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[0] = ATTR_mmloader___Message____location(fra.me.REG[0]);
-  /* ./mmloader.nit:30 */
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
-val_t mmloader___Message___text(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_mmloader;
-  fra.me.line = 31;
-  fra.me.meth = LOCATE_mmloader___Message___text;
-  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_mmloader___Message____text(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:31 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_text");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 31);
-    nit_exit(1);
-  }
-  fra.me.REG[0] = ATTR_mmloader___Message____text(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[2];
 }
 void mmloader___Message___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_Message].i;
@@ -231,19 +227,17 @@ val_t mmloader___ToolContext___error_count(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 52;
+  fra.me.line = 53;
   fra.me.meth = LOCATE_mmloader___ToolContext___error_count;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:53 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____error_count(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:52 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_error_count");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 52);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_error_count", LOCATE_mmloader, 53);
   }
   REGB0 = ATTR_mmloader___ToolContext____error_count(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -255,26 +249,46 @@ val_t mmloader___ToolContext___warning_count(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 55;
+  fra.me.line = 56;
   fra.me.meth = LOCATE_mmloader___ToolContext___warning_count;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:56 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____warning_count(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:55 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_warning_count");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 55);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_warning_count", LOCATE_mmloader, 56);
   }
   REGB0 = ATTR_mmloader___ToolContext____warning_count(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+val_t mmloader___ToolContext___log_directory(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_mmloader;
+  fra.me.line = 59;
+  fra.me.meth = LOCATE_mmloader___ToolContext___log_directory;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./mmloader.nit:59 */
+  REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____log_directory(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_log_directory", LOCATE_mmloader, 59);
+  }
+  fra.me.REG[0] = ATTR_mmloader___ToolContext____log_directory(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
 void mmloader___ToolContext___check_errors(val_t p0){
-  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;
@@ -282,117 +296,143 @@ void mmloader___ToolContext___check_errors(val_t p0){
         static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 62;
+  fra.me.line = 66;
   fra.me.meth = LOCATE_mmloader___ToolContext___check_errors;
   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;
+  /* ./mmloader.nit:68 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____messages(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:64 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_messages");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 64);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_messages", LOCATE_mmloader, 68);
   }
   fra.me.REG[1] = ATTR_mmloader___ToolContext____messages(fra.me.REG[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]);
+  /* ./mmloader.nit:68 */
   REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
-  /* ./mmloader.nit:64 */
+  /* ./mmloader.nit:68 */
   if (UNTAG_Bool(REGB1)) {
+    /* ./mmloader.nit:69 */
     REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____message_sorter(fra.me.REG[0])!=NIT_NULL);
-    /* ./mmloader.nit:65 */
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_message_sorter");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 65);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_message_sorter", LOCATE_mmloader, 69);
     }
     fra.me.REG[1] = ATTR_mmloader___ToolContext____message_sorter(fra.me.REG[0]);
     REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____messages(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_messages");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 65);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_messages", LOCATE_mmloader, 69);
     }
     fra.me.REG[2] = ATTR_mmloader___ToolContext____messages(fra.me.REG[0]);
     CALL_sorter___AbstractSorter___sort(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./mmloader.nit:71 */
     REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____messages(fra.me.REG[0])!=NIT_NULL);
-    /* ./mmloader.nit:67 */
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_messages");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 67);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_messages", LOCATE_mmloader, 71);
     }
     fra.me.REG[2] = ATTR_mmloader___ToolContext____messages(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 */
+    REGB1 = TAG_Int(0);
+    /* ./../lib/standard//collection//array.nit:235 */
+    REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+    }
+    REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+    /* ./../lib/standard//collection//array.nit:236 */
+    fra.me.REG[1] = ATTR_array___Array____items(fra.me.REG[2]);
+    /* ./../lib/standard//collection//array.nit:237 */
     while(1) {
-      REGB1 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[2])(fra.me.REG[2]);
-      if (UNTAG_Bool(REGB1)) {
-        fra.me.REG[1] = CALL_abstract_collection___Iterator___item(fra.me.REG[2])(fra.me.REG[2]);
-        fra.me.REG[3] = CALL_file___Object___stderr(fra.me.REG[0])(fra.me.REG[0]);
-        REGB1 = TAG_Int(3);
-        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
-        /* ./mmloader.nit:68 */
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+      }
+      REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
+      /* ./../lib/standard//collection//array.nit:237 */
+      if (UNTAG_Bool(REGB0)) {
+        /* ./../lib/standard//collection//array.nit:238 */
+        REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[1])->val[UNTAG_Int(REGB1)];
+        /* ./mmloader.nit:72 */
+        fra.me.REG[4] = CALL_file___Object___stderr(fra.me.REG[0])(fra.me.REG[0]);
+        REGB0 = TAG_Int(3);
+        fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
         if (!once_value_1) {
-          fra.me.REG[5] = BOX_NativeString("");
-          REGB1 = TAG_Int(0);
-          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
-          once_value_1 = fra.me.REG[5];
+          fra.me.REG[6] = BOX_NativeString("");
+          REGB0 = TAG_Int(0);
+          fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+          once_value_1 = fra.me.REG[6];
           register_static_object(&once_value_1);
-        } else fra.me.REG[5] = once_value_1;
-        array___Array___add(fra.me.REG[4], fra.me.REG[5]);
-        fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-        array___Array___add(fra.me.REG[4], fra.me.REG[1]);
+        } else fra.me.REG[6] = once_value_1;
+        fra.me.REG[6] = fra.me.REG[6];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+        fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
         if (!once_value_2) {
-          fra.me.REG[1] = BOX_NativeString("\n");
-          REGB1 = TAG_Int(1);
-          fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB1);
-          once_value_2 = fra.me.REG[1];
+          fra.me.REG[3] = BOX_NativeString("\n");
+          REGB0 = TAG_Int(1);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+          once_value_2 = fra.me.REG[3];
           register_static_object(&once_value_2);
-        } else fra.me.REG[1] = once_value_2;
-        array___Array___add(fra.me.REG[4], fra.me.REG[1]);
-        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-        CALL_stream___OStream___write(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+        } else fra.me.REG[3] = once_value_2;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+        CALL_stream___OStream___write(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB0 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB0 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB1 = REGB0;
       } else {
-        /* ./mmloader.nit:67 */
+        /* ./../lib/standard//collection//array.nit:237 */
         goto label3;
       }
-      CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
     }
     label3: while(0);
+    /* ./mmloader.nit:75 */
     REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____messages(fra.me.REG[0])!=NIT_NULL);
-    /* ./mmloader.nit:71 */
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_messages");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 71);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_messages", LOCATE_mmloader, 75);
     }
-    fra.me.REG[2] = ATTR_mmloader___ToolContext____messages(fra.me.REG[0]);
-    CALL_abstract_collection___RemovableCollection___clear(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = ATTR_mmloader___ToolContext____messages(fra.me.REG[0]);
+    CALL_abstract_collection___RemovableCollection___clear(fra.me.REG[1])(fra.me.REG[1]);
   }
+  /* ./mmloader.nit:78 */
   REGB1 = CALL_mmloader___ToolContext___error_count(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
   REGB0 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB0));
-  /* ./mmloader.nit:74 */
+  /* ./mmloader.nit:78 */
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Int(1);
     CALL_kernel___Object___exit(fra.me.REG[0])(fra.me.REG[0], REGB0);
@@ -407,7 +447,7 @@ void mmloader___ToolContext___error(val_t p0, val_t p1, val_t p2){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 77;
+  fra.me.line = 81;
   fra.me.meth = LOCATE_mmloader___ToolContext___error;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -418,29 +458,26 @@ void mmloader___ToolContext___error(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./mmloader.nit:84 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____messages(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:80 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_messages");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 80);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_messages", LOCATE_mmloader, 84);
   }
   fra.me.REG[3] = ATTR_mmloader___ToolContext____messages(fra.me.REG[0]);
   fra.me.REG[2] = NEW_Message_mmloader___Message___init(fra.me.REG[1], fra.me.REG[2]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+  /* ./mmloader.nit:85 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____error_count(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:81 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_error_count");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 81);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_error_count", LOCATE_mmloader, 85);
   }
   REGB0 = ATTR_mmloader___ToolContext____error_count(fra.me.REG[0]);
   REGB1 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:215 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-  /* ./mmloader.nit:81 */
+  /* ./mmloader.nit:85 */
   ATTR_mmloader___ToolContext____error_count(fra.me.REG[0]) = REGB1;
   stack_frame_head = fra.me.prev;
   return;
@@ -450,7 +487,7 @@ void mmloader___ToolContext___fatal_error(val_t p0, val_t p1, val_t p2){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 84;
+  fra.me.line = 88;
   fra.me.meth = LOCATE_mmloader___ToolContext___fatal_error;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -460,9 +497,9 @@ void mmloader___ToolContext___fatal_error(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./mmloader.nit:87 */
+  /* ./mmloader.nit:91 */
   CALL_mmloader___ToolContext___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
-  /* ./mmloader.nit:88 */
+  /* ./mmloader.nit:92 */
   CALL_mmloader___ToolContext___check_errors(fra.me.REG[0])(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return;
@@ -475,7 +512,7 @@ void mmloader___ToolContext___warning(val_t p0, val_t p1, val_t p2){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 91;
+  fra.me.line = 95;
   fra.me.meth = LOCATE_mmloader___ToolContext___warning;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -486,13 +523,11 @@ void mmloader___ToolContext___warning(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./mmloader.nit:98 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_warn(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:94 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_warn");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 94);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_warn", LOCATE_mmloader, 98);
   }
   fra.me.REG[3] = ATTR_mmloader___ToolContext____opt_warn(fra.me.REG[0]);
   fra.me.REG[3] = CALL_opts___Option___value(fra.me.REG[3])(fra.me.REG[3]);
@@ -505,32 +540,29 @@ void mmloader___ToolContext___warning(val_t p0, val_t p1, val_t p2){
       REGB2 = TAG_Bool(false);
       REGB1 = REGB2;
     } else {
+      /* ./../lib/standard//kernel.nit:207 */
       REGB0 = TAG_Bool((fra.me.REG[3])==(REGB0));
+      /* ./mmloader.nit:98 */
       REGB1 = REGB0;
-    /* ./mmloader.nit:94 */
     }
   }
   if (UNTAG_Bool(REGB1)) {
     goto label1;
   }
+  /* ./mmloader.nit:99 */
   REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____messages(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:95 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_messages");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 95);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_messages", LOCATE_mmloader, 99);
   }
   fra.me.REG[3] = ATTR_mmloader___ToolContext____messages(fra.me.REG[0]);
   fra.me.REG[2] = NEW_Message_mmloader___Message___init(fra.me.REG[1], fra.me.REG[2]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+  /* ./mmloader.nit:100 */
   REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____opt_warn(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:96 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_warn");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 96);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_warn", LOCATE_mmloader, 100);
   }
   fra.me.REG[2] = ATTR_mmloader___ToolContext____opt_warn(fra.me.REG[0]);
   fra.me.REG[2] = CALL_opts___Option___value(fra.me.REG[2])(fra.me.REG[2]);
@@ -543,38 +575,37 @@ void mmloader___ToolContext___warning(val_t p0, val_t p1, val_t p2){
       REGB2 = TAG_Bool(false);
       REGB0 = REGB2;
     } else {
+      /* ./../lib/standard//kernel.nit:207 */
       REGB1 = TAG_Bool((fra.me.REG[2])==(REGB1));
+      /* ./mmloader.nit:100 */
       REGB0 = REGB1;
-    /* ./mmloader.nit:96 */
     }
   }
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:101 */
     REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____warning_count(fra.me.REG[0])!=NIT_NULL);
-    /* ./mmloader.nit:97 */
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_warning_count");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 97);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_warning_count", LOCATE_mmloader, 101);
     }
     REGB0 = ATTR_mmloader___ToolContext____warning_count(fra.me.REG[0]);
     REGB1 = TAG_Int(1);
+    /* ./../lib/standard//kernel.nit:215 */
     REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-    /* ./mmloader.nit:97 */
+    /* ./mmloader.nit:101 */
     ATTR_mmloader___ToolContext____warning_count(fra.me.REG[0]) = REGB1;
   } else {
+    /* ./mmloader.nit:103 */
     REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____error_count(fra.me.REG[0])!=NIT_NULL);
-    /* ./mmloader.nit:99 */
     if (UNTAG_Bool(REGB1)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_error_count");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 99);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_error_count", LOCATE_mmloader, 103);
     }
     REGB1 = ATTR_mmloader___ToolContext____error_count(fra.me.REG[0]);
     REGB0 = TAG_Int(1);
+    /* ./../lib/standard//kernel.nit:215 */
     REGB0 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
-    /* ./mmloader.nit:99 */
+    /* ./mmloader.nit:103 */
     ATTR_mmloader___ToolContext____error_count(fra.me.REG[0]) = REGB0;
   }
   label1: while(0);
@@ -590,7 +621,7 @@ void mmloader___ToolContext___info(val_t p0, val_t p1, val_t p2){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 103;
+  fra.me.line = 107;
   fra.me.meth = LOCATE_mmloader___ToolContext___info;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -601,13 +632,15 @@ void mmloader___ToolContext___info(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   REGB0 = p2;
+  /* ./mmloader.nit:110 */
   REGB1 = CALL_mmloader___ToolContext___verbose_level(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:211 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB1));
-  /* ./mmloader.nit:106 */
+  /* ./mmloader.nit:110 */
   if (UNTAG_Bool(REGB1)) {
+    /* ./mmloader.nit:111 */
     REGB1 = TAG_Int(3);
     fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./mmloader.nit:107 */
     if (!once_value_1) {
       fra.me.REG[3] = BOX_NativeString("");
       REGB1 = TAG_Int(0);
@@ -615,8 +648,9 @@ void mmloader___ToolContext___info(val_t p0, val_t p1, val_t p2){
       once_value_1 = fra.me.REG[3];
       register_static_object(&once_value_1);
     } else fra.me.REG[3] = once_value_1;
-    array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-    array___Array___add(fra.me.REG[2], fra.me.REG[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]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("");
       REGB1 = TAG_Int(0);
@@ -624,7 +658,8 @@ void mmloader___ToolContext___info(val_t p0, val_t p1, val_t p2){
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
-    array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
     CALL_file___Object___print(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
   }
@@ -637,19 +672,17 @@ val_t mmloader___ToolContext___paths(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 111;
+  fra.me.line = 115;
   fra.me.meth = LOCATE_mmloader___ToolContext___paths;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:115 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____paths(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:111 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_paths");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 111);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_paths", LOCATE_mmloader, 115);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____paths(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -661,19 +694,17 @@ val_t mmloader___ToolContext___option_context(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 117;
+  fra.me.line = 121;
   fra.me.meth = LOCATE_mmloader___ToolContext___option_context;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:121 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____option_context(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:117 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_option_context");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 117);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_option_context", LOCATE_mmloader, 121);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____option_context(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -685,19 +716,17 @@ val_t mmloader___ToolContext___opt_warn(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 120;
+  fra.me.line = 124;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_warn;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:124 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_warn(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:120 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_warn");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 120);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_warn", LOCATE_mmloader, 124);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_warn(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -709,19 +738,17 @@ val_t mmloader___ToolContext___opt_path(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 123;
+  fra.me.line = 127;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_path;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:127 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_path(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:123 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_path");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 123);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_path", LOCATE_mmloader, 127);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_path(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -733,43 +760,61 @@ val_t mmloader___ToolContext___opt_log(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 126;
+  fra.me.line = 130;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_log;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:130 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_log(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:126 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_log");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 126);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_log", LOCATE_mmloader, 130);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_log(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+val_t mmloader___ToolContext___opt_log_dir(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_mmloader;
+  fra.me.line = 133;
+  fra.me.meth = LOCATE_mmloader___ToolContext___opt_log_dir;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./mmloader.nit:133 */
+  REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_log_dir(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_opt_log_dir", LOCATE_mmloader, 133);
+  }
+  fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_log_dir(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
 val_t mmloader___ToolContext___opt_only_metamodel(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_mmloader;
-  fra.me.line = 129;
+  fra.me.line = 136;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_only_metamodel;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:136 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_only_metamodel(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:129 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_only_metamodel");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 129);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_only_metamodel", LOCATE_mmloader, 136);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_only_metamodel(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -781,19 +826,17 @@ val_t mmloader___ToolContext___opt_only_parse(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 132;
+  fra.me.line = 139;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_only_parse;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:139 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_only_parse(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:132 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_only_parse");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 132);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_only_parse", LOCATE_mmloader, 139);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_only_parse(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -805,19 +848,17 @@ val_t mmloader___ToolContext___opt_help(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 135;
+  fra.me.line = 142;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_help;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:142 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_help(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:135 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_help");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 135);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_help", LOCATE_mmloader, 142);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_help(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -829,19 +870,17 @@ val_t mmloader___ToolContext___opt_version(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 138;
+  fra.me.line = 145;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_version;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:145 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_version(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:138 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_version");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 138);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_version", LOCATE_mmloader, 145);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_version(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -853,19 +892,17 @@ val_t mmloader___ToolContext___opt_verbose(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 141;
+  fra.me.line = 148;
   fra.me.meth = LOCATE_mmloader___ToolContext___opt_verbose;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:148 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_verbose(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:141 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_opt_verbose");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 141);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_opt_verbose", LOCATE_mmloader, 148);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____opt_verbose(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -877,19 +914,17 @@ val_t mmloader___ToolContext___verbose_level(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 144;
+  fra.me.line = 151;
   fra.me.meth = LOCATE_mmloader___ToolContext___verbose_level;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:151 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____verbose_level(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:144 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_verbose_level");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 144);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_verbose_level", LOCATE_mmloader, 151);
   }
   REGB0 = ATTR_mmloader___ToolContext____verbose_level(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -903,7 +938,7 @@ void mmloader___ToolContext___init(val_t p0, int* init_table){
   if (init_table[itpos1]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 147;
+  fra.me.line = 154;
   fra.me.meth = LOCATE_mmloader___ToolContext___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -912,29 +947,32 @@ void mmloader___ToolContext___init(val_t p0, int* init_table){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:154 */
   fra.me.REG[1] = fra.me.REG[0];
-  /* ./mmloader.nit:149 */
+  /* ./mmloader.nit:156 */
   CALL_abstractmetamodel___MMContext___init(fra.me.REG[0])(fra.me.REG[0], init_table);
+  /* ./mmloader.nit:157 */
   fra.me.REG[0] = CALL_mmloader___ToolContext___option_context(fra.me.REG[1])(fra.me.REG[1]);
-  REGB0 = TAG_Int(7);
+  REGB0 = TAG_Int(8);
   fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_warn(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./mmloader.nit:150 */
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_path(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_log(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  fra.me.REG[3] = CALL_mmloader___ToolContext___opt_log_dir(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_only_parse(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_only_metamodel(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_help(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_version(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   fra.me.REG[1] = CALL_mmloader___ToolContext___opt_verbose(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   CALL_opts___OptionContext___add_option(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   init_table[itpos1] = 1;
@@ -943,6 +981,7 @@ void mmloader___ToolContext___init(val_t p0, int* init_table){
 void mmloader___ToolContext___process_options(val_t p0){
   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 */
@@ -954,7 +993,7 @@ void mmloader___ToolContext___process_options(val_t p0){
   static val_t once_value_8; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 153;
+  fra.me.line = 160;
   fra.me.meth = LOCATE_mmloader___ToolContext___process_options;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -963,20 +1002,20 @@ void mmloader___ToolContext___process_options(val_t p0){
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./mmloader.nit:164 */
   fra.me.REG[1] = CALL_mmloader___ToolContext___option_context(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[2] = CALL_string___Object___args(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./mmloader.nit:157 */
   CALL_opts___OptionContext___parse(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./mmloader.nit:167 */
   fra.me.REG[2] = CALL_mmloader___ToolContext___opt_verbose(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[2] = CALL_opts___Option___value(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./mmloader.nit:160 */
   ATTR_mmloader___ToolContext____verbose_level(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./mmloader.nit:170 */
   fra.me.REG[2] = CALL_mmloader___ToolContext___paths(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[1] = CALL_mmloader___ToolContext___opt_path(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[1] = CALL_opts___Option___value(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./mmloader.nit:163 */
   CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-  /* ./mmloader.nit:165 */
+  /* ./mmloader.nit:172 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("NIT_PATH");
@@ -985,22 +1024,24 @@ void mmloader___ToolContext___process_options(val_t p0){
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
+    fra.me.REG[1] = fra.me.REG[1];
     fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[1] = CALL_environ___Symbol___environ(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
+  fra.me.REG[1] = fra.me.REG[1];
+  /* ./mmloader.nit:173 */
   REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  /* ./mmloader.nit:166 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:174 */
     fra.me.REG[2] = CALL_mmloader___ToolContext___paths(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Char(':');
     fra.me.REG[3] = CALL_string_search___String___split_with(fra.me.REG[1])(fra.me.REG[1], REGB0);
-    /* ./mmloader.nit:167 */
     CALL_abstract_collection___Sequence___append(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   }
-  /* ./mmloader.nit:170 */
+  /* ./mmloader.nit:177 */
   if (!once_value_3) {
     if (!once_value_4) {
       fra.me.REG[3] = BOX_NativeString("NIT_DIR");
@@ -1009,19 +1050,21 @@ void mmloader___ToolContext___process_options(val_t p0){
       once_value_4 = fra.me.REG[3];
       register_static_object(&once_value_4);
     } else fra.me.REG[3] = once_value_4;
+    fra.me.REG[3] = fra.me.REG[3];
     fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
     fra.me.REG[3] = CALL_environ___Symbol___environ(fra.me.REG[3])(fra.me.REG[3]);
     once_value_3 = fra.me.REG[3];
     register_static_object(&once_value_3);
   } else fra.me.REG[3] = once_value_3;
+  fra.me.REG[3] = fra.me.REG[3];
   fra.me.REG[1] = fra.me.REG[3];
+  /* ./mmloader.nit:178 */
   REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  /* ./mmloader.nit:171 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:179 */
     REGB0 = TAG_Int(3);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./mmloader.nit:172 */
     if (!once_value_5) {
       fra.me.REG[2] = BOX_NativeString("");
       REGB0 = TAG_Int(0);
@@ -1029,8 +1072,9 @@ void mmloader___ToolContext___process_options(val_t p0){
       once_value_5 = fra.me.REG[2];
       register_static_object(&once_value_5);
     } else fra.me.REG[2] = once_value_5;
-    array___Array___add(fra.me.REG[3], fra.me.REG[2]);
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     if (!once_value_6) {
       fra.me.REG[1] = BOX_NativeString("/lib");
       REGB0 = TAG_Int(4);
@@ -1038,18 +1082,19 @@ void mmloader___ToolContext___process_options(val_t p0){
       once_value_6 = fra.me.REG[1];
       register_static_object(&once_value_6);
     } else fra.me.REG[1] = once_value_6;
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    /* ./mmloader.nit:180 */
     REGB0 = CALL_file___String___file_exists(fra.me.REG[3])(fra.me.REG[3]);
-    /* ./mmloader.nit:173 */
     if (UNTAG_Bool(REGB0)) {
       fra.me.REG[1] = CALL_mmloader___ToolContext___paths(fra.me.REG[0])(fra.me.REG[0]);
-      array___Array___add(fra.me.REG[1], fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
     }
   }
+  /* ./mmloader.nit:183 */
   REGB0 = TAG_Int(3);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./mmloader.nit:176 */
   if (!once_value_7) {
     fra.me.REG[1] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
@@ -1057,11 +1102,12 @@ void mmloader___ToolContext___process_options(val_t p0){
     once_value_7 = fra.me.REG[1];
     register_static_object(&once_value_7);
   } else fra.me.REG[1] = once_value_7;
-  array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   fra.me.REG[1] = CALL_kernel___Object___sys(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[1] = CALL_string___Sys___program_name(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[1] = CALL_file___String___dirname(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   if (!once_value_8) {
     fra.me.REG[1] = BOX_NativeString("/../lib");
     REGB0 = TAG_Int(7);
@@ -1069,30 +1115,71 @@ void mmloader___ToolContext___process_options(val_t p0){
     once_value_8 = fra.me.REG[1];
     register_static_object(&once_value_8);
   } else fra.me.REG[1] = once_value_8;
-  array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./mmloader.nit:184 */
   REGB0 = CALL_file___String___file_exists(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./mmloader.nit:177 */
   if (UNTAG_Bool(REGB0)) {
-    fra.me.REG[0] = CALL_mmloader___ToolContext___paths(fra.me.REG[0])(fra.me.REG[0]);
-    array___Array___add(fra.me.REG[0], fra.me.REG[3]);
+    fra.me.REG[1] = CALL_mmloader___ToolContext___paths(fra.me.REG[0])(fra.me.REG[0]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  }
+  /* ./mmloader.nit:186 */
+  fra.me.REG[3] = CALL_mmloader___ToolContext___opt_log_dir(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_opts___Option___value(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[3] = CALL_mmloader___ToolContext___opt_log_dir(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[3] = CALL_opts___Option___value(fra.me.REG[3])(fra.me.REG[3]);
+    REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_String, ID_String)) /*cast String*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_mmloader, 186);
+    }
+    ATTR_mmloader___ToolContext____log_directory(fra.me.REG[0]) = fra.me.REG[3];
+  }
+  /* ./mmloader.nit:187 */
+  REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____opt_log(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_opt_log", LOCATE_mmloader, 187);
+  }
+  fra.me.REG[3] = ATTR_mmloader___ToolContext____opt_log(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_opts___Option___value(fra.me.REG[3])(fra.me.REG[3]);
+  if (UNTAG_Bool(fra.me.REG[3])) {
+    /* ./mmloader.nit:189 */
+    fra.me.REG[0] = CALL_mmloader___ToolContext___log_directory(fra.me.REG[0])(fra.me.REG[0]);
+    CALL_file___String___mkdir(fra.me.REG[0])(fra.me.REG[0]);
   }
   stack_frame_head = fra.me.prev;
   return;
 }
 val_t mmloader___ToolContext___try_to_load(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[9];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
   val_t tmp;
-          static val_t once_value_3; /* Once value */
           static val_t once_value_4; /* Once value */
+          static val_t once_value_5; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 180;
+  fra.me.line = 193;
   fra.me.meth = LOCATE_mmloader___ToolContext___try_to_load;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 9;
+  fra.me.REG_size = 10;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1102,175 +1189,220 @@ val_t mmloader___ToolContext___try_to_load(val_t p0, val_t p1, val_t p2){
   fra.me.REG[6] = NIT_NULL;
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[9] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./mmloader.nit:199 */
   fra.me.REG[3] = CALL_abstractmetamodel___MMDirectory___modules(fra.me.REG[2])(fra.me.REG[2]);
-  fra.me.REG[3] = CALL_abstract_collection___Collection___iterator(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./mmloader.nit:186 */
-  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[5] = CALL_abstractmetamodel___MMModule___name(fra.me.REG[4])(fra.me.REG[4]);
-      REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[5],fra.me.REG[1]));
-      /* ./mmloader.nit:187 */
-      if (UNTAG_Bool(REGB0)) {
-      } else {
-        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1]);
-        REGB0 = REGB1;
-      }
-      if (UNTAG_Bool(REGB0)) {
-        goto label1;
-      }
-    } else {
-      /* ./mmloader.nit:186 */
-      goto label2;
-    }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[3])(fra.me.REG[3], (&(fra.me)), ((fun_t)OC_mmloader___ToolContext___try_to_load_1));
+  switch ((&(fra.me))->has_broke) {
+    case 0: break;
+    case 1: (&(fra.me))->has_broke = 0; goto label3;
   }
-  label2: while(0);
+  /* ./mmloader.nit:205 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____loaders(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:192 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_loaders");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 192);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_loaders", LOCATE_mmloader, 205);
   }
-  fra.me.REG[3] = ATTR_mmloader___ToolContext____loaders(fra.me.REG[0]);
-  fra.me.REG[3] = CALL_abstract_collection___Collection___iterator(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[4] = ATTR_mmloader___ToolContext____loaders(fra.me.REG[0]);
+  /* ./../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[3])(fra.me.REG[3]);
-    if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[5] = CALL_abstract_collection___Iterator___item(fra.me.REG[3])(fra.me.REG[3]);
-      fra.me.REG[6] = CALL_mmloader___ModuleLoader___try_to_load_dir(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1], fra.me.REG[2]);
-      REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-      /* ./mmloader.nit:194 */
-      if (UNTAG_Bool(REGB0)) {
+    /* ./../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)];
+      /* ./mmloader.nit:206 */
+      fra.me.REG[7] = CALL_mmloader___ModuleLoader___try_to_load_dir(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[1], fra.me.REG[2]);
+      /* ./mmloader.nit:207 */
+      REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
       } else {
-        REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-        if (UNTAG_Bool(REGB1)) {
-          REGB1 = TAG_Bool(false);
-          REGB0 = REGB1;
+        REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+          REGB2 = TAG_Bool(false);
+          REGB1 = REGB2;
         } else {
-          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
-          REGB0 = REGB1;
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[7])(fra.me.REG[7], NIT_NULL);
+          REGB1 = REGB2;
         }
       }
-      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-      if (UNTAG_Bool(REGB0)) {
-        fra.me.REG[7] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[6]);
-        REGB0 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
-        /* ./mmloader.nit:196 */
-        if (UNTAG_Bool(REGB0)) {
+      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+      if (UNTAG_Bool(REGB1)) {
+        /* ./mmloader.nit:208 */
+        fra.me.REG[8] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[7]);
+        /* ./mmloader.nit:209 */
+        REGB1 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
         } else {
-          REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
-          if (UNTAG_Bool(REGB1)) {
-            REGB1 = TAG_Bool(false);
-            REGB0 = REGB1;
+          REGB2 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            REGB2 = TAG_Bool(false);
+            REGB1 = REGB2;
           } else {
-            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[7])(fra.me.REG[7], NIT_NULL);
-            REGB0 = REGB1;
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], NIT_NULL);
+            REGB1 = REGB2;
           }
         }
-        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-        if (UNTAG_Bool(REGB0)) {
-          REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
-          /* ./mmloader.nit:197 */
-          if (UNTAG_Bool(REGB0)) {
-            fprintf(stderr, "Reciever is null");
-            fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 197);
-            nit_exit(1);
+        REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+        if (UNTAG_Bool(REGB1)) {
+          /* ./mmloader.nit:210 */
+          REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            nit_abort("Reciever is null", NULL, LOCATE_mmloader, 210);
           }
-          CALL_abstractmetamodel___MMDirectory___owner__eq(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
-          /* ./mmloader.nit:198 */
-          CALL_abstractmetamodel___MMDirectory___add_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[7]);
-          fra.me.REG[4] = fra.me.REG[7];
-          /* ./mmloader.nit:199 */
-          goto label1;
+          CALL_abstractmetamodel___MMDirectory___owner__eq(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+          /* ./mmloader.nit:211 */
+          CALL_abstractmetamodel___MMDirectory___add_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[8]);
+          /* ./mmloader.nit:212 */
+          fra.me.REG[3] = fra.me.REG[8];
+          goto label3;
         }
       }
-      REGB0 = CALL_mmloader___ModuleLoader___can_handle(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1], fra.me.REG[2]);
-      /* ./mmloader.nit:203 */
-      if (UNTAG_Bool(REGB0)) {
-        fra.me.REG[7] = CALL_abstractmetamodel___MMDirectory___full_name_for(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-        REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0])!=NIT_NULL);
-        /* ./mmloader.nit:205 */
-        if (UNTAG_Bool(REGB0)) {
+      /* ./mmloader.nit:216 */
+      REGB1 = CALL_mmloader___ModuleLoader___can_handle(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[1], fra.me.REG[2]);
+      if (UNTAG_Bool(REGB1)) {
+        /* ./mmloader.nit:217 */
+        fra.me.REG[8] = CALL_abstractmetamodel___MMDirectory___full_name_for(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+        /* ./mmloader.nit:218 */
+        REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
         } else {
-          fprintf(stderr, "Uninitialized attribute %s", "_processing_modules");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 205);
-          nit_exit(1);
+          nit_abort("Uninitialized attribute %s", "_processing_modules", LOCATE_mmloader, 218);
         }
-        fra.me.REG[6] = ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0]);
-        REGB0 = CALL_abstract_collection___Collection___has(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
-        if (UNTAG_Bool(REGB0)) {
-          REGB0 = TAG_Int(3);
-          fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB0);
-          /* ./mmloader.nit:207 */
-          if (!once_value_3) {
-            fra.me.REG[8] = BOX_NativeString("Error: Dependency loop for module ");
-            REGB0 = TAG_Int(34);
-            fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
-            once_value_3 = fra.me.REG[8];
-            register_static_object(&once_value_3);
-          } else fra.me.REG[8] = once_value_3;
-          array___Array___add(fra.me.REG[6], fra.me.REG[8]);
-          fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
-          array___Array___add(fra.me.REG[6], fra.me.REG[8]);
+        fra.me.REG[7] = ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0]);
+        REGB1 = CALL_abstract_collection___Collection___has(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        if (UNTAG_Bool(REGB1)) {
+          /* ./mmloader.nit:220 */
+          REGB1 = TAG_Int(3);
+          fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB1);
           if (!once_value_4) {
-            fra.me.REG[8] = BOX_NativeString("");
-            REGB0 = TAG_Int(0);
-            fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
-            once_value_4 = fra.me.REG[8];
+            fra.me.REG[9] = BOX_NativeString("Error: Dependency loop for module ");
+            REGB1 = TAG_Int(34);
+            fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB1);
+            once_value_4 = fra.me.REG[9];
             register_static_object(&once_value_4);
-          } else fra.me.REG[8] = once_value_4;
-          array___Array___add(fra.me.REG[6], fra.me.REG[8]);
-          fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
-          CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], NIT_NULL, fra.me.REG[6]);
+          } else fra.me.REG[9] = once_value_4;
+          fra.me.REG[9] = fra.me.REG[9];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[9]);
+          fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[9]);
+          if (!once_value_5) {
+            fra.me.REG[9] = BOX_NativeString("");
+            REGB1 = TAG_Int(0);
+            fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB1);
+            once_value_5 = fra.me.REG[9];
+            register_static_object(&once_value_5);
+          } else fra.me.REG[9] = once_value_5;
+          fra.me.REG[9] = fra.me.REG[9];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[9]);
+          fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+          CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], NIT_NULL, fra.me.REG[7]);
         }
-        REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0])!=NIT_NULL);
-        /* ./mmloader.nit:209 */
-        if (UNTAG_Bool(REGB0)) {
+        /* ./mmloader.nit:222 */
+        REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
         } else {
-          fprintf(stderr, "Uninitialized attribute %s", "_processing_modules");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 209);
-          nit_exit(1);
+          nit_abort("Uninitialized attribute %s", "_processing_modules", LOCATE_mmloader, 222);
         }
-        fra.me.REG[6] = ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0]);
-        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
-        fra.me.REG[5] = CALL_mmloader___ModuleLoader___load_and_process_module(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
-        REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0])!=NIT_NULL);
-        /* ./mmloader.nit:211 */
-        if (UNTAG_Bool(REGB0)) {
+        fra.me.REG[7] = ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        /* ./mmloader.nit:223 */
+        fra.me.REG[6] = CALL_mmloader___ModuleLoader___load_and_process_module(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+        /* ./mmloader.nit:224 */
+        REGB1 = TAG_Bool(ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
         } else {
-          fprintf(stderr, "Uninitialized attribute %s", "_processing_modules");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 211);
-          nit_exit(1);
+          nit_abort("Uninitialized attribute %s", "_processing_modules", LOCATE_mmloader, 224);
         }
-        fra.me.REG[6] = ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0]);
-        CALL_abstract_collection___RemovableCollection___remove(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
-        /* ./mmloader.nit:213 */
-        CALL_abstractmetamodel___MMDirectory___add_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
-        fra.me.REG[4] = fra.me.REG[5];
-        /* ./mmloader.nit:214 */
-        goto label1;
+        fra.me.REG[7] = ATTR_mmloader___ToolContext____processing_modules(fra.me.REG[0]);
+        CALL_abstract_collection___RemovableCollection___remove(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        /* ./mmloader.nit:226 */
+        CALL_abstractmetamodel___MMDirectory___add_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+        /* ./mmloader.nit:227 */
+        fra.me.REG[3] = fra.me.REG[6];
+        goto label3;
       }
+      /* ./../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 {
-      /* ./mmloader.nit:192 */
-      goto label5;
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label6;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[3])(fra.me.REG[3]);
   }
-  label5: while(0);
-  fra.me.REG[4] = NIT_NULL;
-  /* ./mmloader.nit:217 */
-  goto label1;
-  label1: while(0);
+  label6: while(0);
+  /* ./mmloader.nit:230 */
+  fra.me.REG[3] = NIT_NULL;
+  goto label3;
+  label3: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[4];
+  return fra.me.REG[3];
 }
+  void OC_mmloader___ToolContext___try_to_load_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+    val_t REGB0;
+    val_t REGB1;
+    fun_t CREG[1];
+    val_t tmp;
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_mmloader;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_mmloader___ToolContext___try_to_load;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 2;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.REG[1] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./mmloader.nit:200 */
+    fra.me.REG[1] = CALL_abstractmetamodel___MMModule___name(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],closctx->REG[1]));
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], closctx->REG[1]);
+      REGB0 = REGB1;
+    }
+    if (UNTAG_Bool(REGB0)) {
+      closctx->REG[3] = fra.me.REG[0];
+      closctx->has_broke = 1;
+      goto label2;
+    }
+    label2: while(0);
+    stack_frame_head = fra.me.prev;
+    return;
+  }
 val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
   val_t REGB0;
@@ -1283,7 +1415,7 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
   static val_t once_value_6; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 224;
+  fra.me.line = 237;
   fra.me.meth = LOCATE_mmloader___ToolContext___get_module_from_filename;
   fra.me.has_broke = 0;
   fra.me.REG_size = 7;
@@ -1296,8 +1428,9 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
   fra.me.REG[6] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./mmloader.nit:242 */
   fra.me.REG[2] = CALL_file___String___dirname(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./mmloader.nit:230 */
+  /* ./mmloader.nit:243 */
   if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString(".nit");
     REGB0 = TAG_Int(4);
@@ -1305,21 +1438,24 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
     once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
   } else fra.me.REG[3] = once_value_1;
+  fra.me.REG[3] = fra.me.REG[3];
   fra.me.REG[3] = CALL_file___String___basename(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
   fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./mmloader.nit:245 */
   fra.me.REG[2] = CALL_mmloader___ToolContext___directory_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  /* ./mmloader.nit:247 */
   fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
   REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[4],fra.me.REG[1]));
-  /* ./mmloader.nit:234 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
     REGB0 = REGB1;
   }
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:250 */
     fra.me.REG[4] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+    /* ./mmloader.nit:251 */
     REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-    /* ./mmloader.nit:238 */
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
@@ -1335,18 +1471,18 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
     if (UNTAG_Bool(REGB0)) {
       goto label2;
     }
+    /* ./mmloader.nit:254 */
     fra.me.REG[5] = CALL_mmloader___ToolContext___get_module(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], NIT_NULL);
     fra.me.REG[4] = fra.me.REG[5];
-    /* ./mmloader.nit:241 */
     goto label2;
   }
+  /* ./mmloader.nit:257 */
   REGB0 = CALL_file___String___file_exists(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  /* ./mmloader.nit:244 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:258 */
     REGB0 = TAG_Int(3);
     fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./mmloader.nit:245 */
     if (!once_value_3) {
       fra.me.REG[6] = BOX_NativeString("Error: File ");
       REGB0 = TAG_Int(12);
@@ -1354,8 +1490,9 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
       once_value_3 = fra.me.REG[6];
       register_static_object(&once_value_3);
     } else fra.me.REG[6] = once_value_3;
-    array___Array___add(fra.me.REG[5], fra.me.REG[6]);
-    array___Array___add(fra.me.REG[5], fra.me.REG[1]);
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1]);
     if (!once_value_4) {
       fra.me.REG[6] = BOX_NativeString(" not found.");
       REGB0 = TAG_Int(11);
@@ -1363,17 +1500,17 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
       once_value_4 = fra.me.REG[6];
       register_static_object(&once_value_4);
     } else fra.me.REG[6] = once_value_4;
-    array___Array___add(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
     fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
     CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], NIT_NULL, fra.me.REG[5]);
-    /* ./mmloader.nit:246 */
-    fprintf(stderr, "Aborted");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 246);
-    nit_exit(1);
+    /* ./mmloader.nit:259 */
+    nit_abort("Aborted", NULL, LOCATE_mmloader, 259);
   }
+  /* ./mmloader.nit:263 */
   fra.me.REG[2] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+  /* ./mmloader.nit:264 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./mmloader.nit:251 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -1390,9 +1527,9 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
     fra.me.REG[4] = fra.me.REG[2];
     goto label2;
   }
+  /* ./mmloader.nit:266 */
   REGB0 = TAG_Int(3);
   fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./mmloader.nit:253 */
   if (!once_value_5) {
     fra.me.REG[3] = BOX_NativeString("Error: ");
     REGB0 = TAG_Int(7);
@@ -1400,8 +1537,9 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
     once_value_5 = fra.me.REG[3];
     register_static_object(&once_value_5);
   } else fra.me.REG[3] = once_value_5;
-  array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[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]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   if (!once_value_6) {
     fra.me.REG[1] = BOX_NativeString(" is not a NIT source module.");
     REGB0 = TAG_Int(28);
@@ -1409,40 +1547,41 @@ val_t mmloader___ToolContext___get_module_from_filename(val_t p0, val_t p1){
     once_value_6 = fra.me.REG[1];
     register_static_object(&once_value_6);
   } else fra.me.REG[1] = once_value_6;
-  array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
   CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], NIT_NULL, fra.me.REG[2]);
-  /* ./mmloader.nit:254 */
-  fprintf(stderr, "Aborted");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 254);
-  nit_exit(1);
+  /* ./mmloader.nit:267 */
+  nit_abort("Aborted", NULL, LOCATE_mmloader, 267);
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[4];
 }
 val_t mmloader___ToolContext___get_module(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
   val_t tmp;
   static val_t once_value_4; /* Once value */
   static val_t once_value_5; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 257;
+  fra.me.line = 270;
   fra.me.meth = LOCATE_mmloader___ToolContext___get_module;
   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;
   fra.me.REG[2] = p2;
+  /* ./mmloader.nit:274 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-  /* ./mmloader.nit:261 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
@@ -1456,15 +1595,13 @@ val_t mmloader___ToolContext___get_module(val_t p0, val_t p1, val_t p2){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:275 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-    /* ./mmloader.nit:262 */
     if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 262);
-      nit_exit(1);
+      nit_abort("Reciever is null", NULL, LOCATE_mmloader, 275);
     }
     fra.me.REG[2] = CALL_abstractmetamodel___MMModule___directory(fra.me.REG[2])(fra.me.REG[2]);
-    /* ./mmloader.nit:263 */
+    /* ./mmloader.nit:276 */
     while(1) {
       REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
@@ -1480,9 +1617,10 @@ val_t mmloader___ToolContext___get_module(val_t p0, val_t p1, val_t p2){
       }
       REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
       if (UNTAG_Bool(REGB0)) {
+        /* ./mmloader.nit:277 */
         fra.me.REG[3] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+        /* ./mmloader.nit:278 */
         REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
-        /* ./mmloader.nit:265 */
         if (UNTAG_Bool(REGB0)) {
         } else {
           REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
@@ -1498,69 +1636,100 @@ val_t mmloader___ToolContext___get_module(val_t p0, val_t p1, val_t p2){
         if (UNTAG_Bool(REGB0)) {
           goto label1;
         }
+        /* ./mmloader.nit:279 */
         REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-        /* ./mmloader.nit:266 */
         if (UNTAG_Bool(REGB0)) {
-          fprintf(stderr, "Reciever is null");
-          fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 266);
-          nit_exit(1);
+          nit_abort("Reciever is null", NULL, LOCATE_mmloader, 279);
         }
         fra.me.REG[4] = CALL_abstractmetamodel___MMDirectory___parent(fra.me.REG[2])(fra.me.REG[2]);
         fra.me.REG[2] = fra.me.REG[4];
       } else {
-        /* ./mmloader.nit:263 */
+        /* ./mmloader.nit:276 */
         goto label2;
       }
     }
     label2: while(0);
   }
+  /* ./mmloader.nit:283 */
   fra.me.REG[2] = CALL_mmloader___ToolContext___paths(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_abstract_collection___Collection___iterator(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./mmloader.nit:270 */
+  /* ./../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[4] = 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[4] = CALL_abstract_collection___Iterator___item(fra.me.REG[2])(fra.me.REG[2]);
-      fra.me.REG[4] = CALL_mmloader___ToolContext___directory_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4]);
-      fra.me.REG[4] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
-      REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-      /* ./mmloader.nit:272 */
-      if (UNTAG_Bool(REGB0)) {
+    /* ./../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[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)];
+      /* ./mmloader.nit:284 */
+      fra.me.REG[5] = CALL_mmloader___ToolContext___directory_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_mmloader___ToolContext___try_to_load(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[5]);
+      /* ./mmloader.nit:285 */
+      REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
       } else {
-        REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
-        if (UNTAG_Bool(REGB1)) {
-          REGB1 = TAG_Bool(false);
-          REGB0 = REGB1;
+        REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+          REGB2 = TAG_Bool(false);
+          REGB1 = REGB2;
         } else {
-          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
-          REGB0 = REGB1;
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+          REGB1 = REGB2;
         }
       }
-      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-      if (UNTAG_Bool(REGB0)) {
-        fra.me.REG[3] = fra.me.REG[4];
+      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+      if (UNTAG_Bool(REGB1)) {
+        fra.me.REG[3] = fra.me.REG[5];
         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 {
-      /* ./mmloader.nit:270 */
+      /* ./../lib/standard//collection//array.nit:237 */
       goto label3;
     }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[2])(fra.me.REG[2]);
   }
   label3: while(0);
+  /* ./mmloader.nit:288 */
   REGB0 = TAG_Int(3);
-  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./mmloader.nit:275 */
+  fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
   if (!once_value_4) {
-    fra.me.REG[4] = BOX_NativeString("Error: No ressource found for module ");
+    fra.me.REG[2] = BOX_NativeString("Error: No ressource found for module ");
     REGB0 = TAG_Int(37);
-    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
-    once_value_4 = fra.me.REG[4];
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_4 = fra.me.REG[2];
     register_static_object(&once_value_4);
-  } else fra.me.REG[4] = once_value_4;
-  array___Array___add(fra.me.REG[2], fra.me.REG[4]);
+  } else fra.me.REG[2] = once_value_4;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
   fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
   if (!once_value_5) {
     fra.me.REG[1] = BOX_NativeString(".");
     REGB0 = TAG_Int(1);
@@ -1568,13 +1737,12 @@ val_t mmloader___ToolContext___get_module(val_t p0, val_t p1, val_t p2){
     once_value_5 = fra.me.REG[1];
     register_static_object(&once_value_5);
   } else fra.me.REG[1] = once_value_5;
-  array___Array___add(fra.me.REG[2], fra.me.REG[1]);
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], NIT_NULL, fra.me.REG[2]);
-  /* ./mmloader.nit:276 */
-  fprintf(stderr, "Aborted");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 276);
-  nit_exit(1);
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
+  fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+  CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], NIT_NULL, fra.me.REG[4]);
+  /* ./mmloader.nit:289 */
+  nit_abort("Aborted", NULL, LOCATE_mmloader, 289);
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[3];
@@ -1585,7 +1753,7 @@ val_t mmloader___ToolContext___directory_for(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 279;
+  fra.me.line = 292;
   fra.me.meth = LOCATE_mmloader___ToolContext___directory_for;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -1595,13 +1763,11 @@ val_t mmloader___ToolContext___directory_for(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./mmloader.nit:295 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____path_dirs(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:282 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_path_dirs");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 282);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_path_dirs", LOCATE_mmloader, 295);
   }
   fra.me.REG[2] = ATTR_mmloader___ToolContext____path_dirs(fra.me.REG[0]);
   REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
@@ -1609,28 +1775,25 @@ val_t mmloader___ToolContext___directory_for(val_t p0, val_t p1){
     REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____path_dirs(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      fprintf(stderr, "Uninitialized attribute %s", "_path_dirs");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 282);
-      nit_exit(1);
+      nit_abort("Uninitialized attribute %s", "_path_dirs", LOCATE_mmloader, 295);
     }
     fra.me.REG[2] = ATTR_mmloader___ToolContext____path_dirs(fra.me.REG[0]);
     fra.me.REG[2] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     goto label1;
   }
+  /* ./mmloader.nit:296 */
   fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[3] = NEW_MMDirectory_abstractmetamodel___MMDirectory___init(fra.me.REG[3], fra.me.REG[1], NIT_NULL);
+  /* ./mmloader.nit:297 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____path_dirs(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:284 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_path_dirs");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 284);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_path_dirs", LOCATE_mmloader, 297);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____path_dirs(fra.me.REG[0]);
   CALL_abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3]);
+  /* ./mmloader.nit:298 */
   fra.me.REG[2] = fra.me.REG[3];
-  /* ./mmloader.nit:285 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
@@ -1642,7 +1805,7 @@ void mmloader___ToolContext___register_loader(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 291;
+  fra.me.line = 304;
   fra.me.meth = LOCATE_mmloader___ToolContext___register_loader;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
@@ -1650,16 +1813,14 @@ void mmloader___ToolContext___register_loader(val_t p0, val_t p1){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
+  /* ./mmloader.nit:305 */
   REGB0 = TAG_Bool(ATTR_mmloader___ToolContext____loaders(fra.me.REG[0])!=NIT_NULL);
-  /* ./mmloader.nit:292 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_loaders");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 292);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_loaders", LOCATE_mmloader, 305);
   }
   fra.me.REG[0] = ATTR_mmloader___ToolContext____loaders(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;
 }
@@ -1668,14 +1829,12 @@ val_t mmloader___ModuleLoader___file_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 300;
+  fra.me.line = 313;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___file_type;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./mmloader.nit:300 */
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 300);
-  nit_exit(1);
+  /* ./mmloader.nit:313 */
+  nit_abort("Deferred method called", NULL, LOCATE_mmloader, 313);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
@@ -1688,7 +1847,7 @@ val_t mmloader___ModuleLoader___try_to_load_dir(val_t p0, val_t p1, val_t p2){
   static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 303;
+  fra.me.line = 316;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___try_to_load_dir;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
@@ -1699,9 +1858,9 @@ val_t mmloader___ModuleLoader___try_to_load_dir(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./mmloader.nit:319 */
   REGB0 = TAG_Int(5);
   fra.me.REG[0] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./mmloader.nit:306 */
   if (!once_value_1) {
     fra.me.REG[3] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
@@ -1709,9 +1868,10 @@ val_t mmloader___ModuleLoader___try_to_load_dir(val_t p0, val_t p1, val_t p2){
     once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
   } else fra.me.REG[3] = once_value_1;
-  array___Array___add(fra.me.REG[0], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
   fra.me.REG[3] = CALL_abstractmetamodel___MMDirectory___path(fra.me.REG[2])(fra.me.REG[2]);
-  array___Array___add(fra.me.REG[0], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
   if (!once_value_2) {
     fra.me.REG[3] = BOX_NativeString("/");
     REGB0 = TAG_Int(1);
@@ -1719,9 +1879,10 @@ val_t mmloader___ModuleLoader___try_to_load_dir(val_t p0, val_t p1, val_t p2){
     once_value_2 = fra.me.REG[3];
     register_static_object(&once_value_2);
   } else fra.me.REG[3] = once_value_2;
-  array___Array___add(fra.me.REG[0], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[0], fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
   if (!once_value_3) {
     fra.me.REG[3] = BOX_NativeString("/");
     REGB0 = TAG_Int(1);
@@ -1729,19 +1890,21 @@ val_t mmloader___ModuleLoader___try_to_load_dir(val_t p0, val_t p1, val_t p2){
     once_value_3 = fra.me.REG[3];
     register_static_object(&once_value_3);
   } else fra.me.REG[3] = once_value_3;
-  array___Array___add(fra.me.REG[0], fra.me.REG[3]);
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
   fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./mmloader.nit:320 */
   REGB0 = CALL_file___String___file_exists(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  /* ./mmloader.nit:307 */
   if (UNTAG_Bool(REGB0)) {
     fra.me.REG[3] = NIT_NULL;
     goto label4;
   }
+  /* ./mmloader.nit:322 */
   fra.me.REG[1] = CALL_abstractmetamodel___MMDirectory___full_name_for(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   fra.me.REG[2] = NEW_MMDirectory_abstractmetamodel___MMDirectory___init(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
+  /* ./mmloader.nit:323 */
   fra.me.REG[3] = fra.me.REG[2];
-  /* ./mmloader.nit:310 */
   goto label4;
   label4: while(0);
   stack_frame_head = fra.me.prev;
@@ -1758,7 +1921,7 @@ val_t mmloader___ModuleLoader___can_handle(val_t p0, val_t p1, val_t p2){
   static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 313;
+  fra.me.line = 326;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___can_handle;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
@@ -1770,9 +1933,9 @@ val_t mmloader___ModuleLoader___can_handle(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
+  /* ./mmloader.nit:330 */
   REGB0 = TAG_Int(7);
   fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./mmloader.nit:317 */
   if (!once_value_1) {
     fra.me.REG[4] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
@@ -1780,9 +1943,10 @@ val_t mmloader___ModuleLoader___can_handle(val_t p0, val_t p1, val_t p2){
     once_value_1 = fra.me.REG[4];
     register_static_object(&once_value_1);
   } else fra.me.REG[4] = once_value_1;
-  array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[2] = CALL_abstractmetamodel___MMDirectory___path(fra.me.REG[2])(fra.me.REG[2]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   if (!once_value_2) {
     fra.me.REG[2] = BOX_NativeString("/");
     REGB0 = TAG_Int(1);
@@ -1790,9 +1954,10 @@ val_t mmloader___ModuleLoader___can_handle(val_t p0, val_t p1, val_t p2){
     once_value_2 = fra.me.REG[2];
     register_static_object(&once_value_2);
   } else fra.me.REG[2] = once_value_2;
-  array___Array___add(fra.me.REG[3], fra.me.REG[2]);
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   if (!once_value_3) {
     fra.me.REG[1] = BOX_NativeString(".");
     REGB0 = TAG_Int(1);
@@ -1800,9 +1965,10 @@ val_t mmloader___ModuleLoader___can_handle(val_t p0, val_t p1, val_t p2){
     once_value_3 = fra.me.REG[1];
     register_static_object(&once_value_3);
   } else fra.me.REG[1] = once_value_3;
-  array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+  fra.me.REG[1] = fra.me.REG[1];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
   fra.me.REG[0] = CALL_mmloader___ModuleLoader___file_type(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[3], fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
   if (!once_value_4) {
     fra.me.REG[0] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
@@ -1810,17 +1976,18 @@ val_t mmloader___ModuleLoader___can_handle(val_t p0, val_t p1, val_t p2){
     once_value_4 = fra.me.REG[0];
     register_static_object(&once_value_4);
   } else fra.me.REG[0] = once_value_4;
-  array___Array___add(fra.me.REG[3], fra.me.REG[0]);
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
   fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./mmloader.nit:331 */
   REGB0 = CALL_file___String___file_exists(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./mmloader.nit:318 */
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Bool(true);
     goto label5;
   }
+  /* ./mmloader.nit:332 */
   REGB1 = TAG_Bool(false);
   REGB0 = REGB1;
-  /* ./mmloader.nit:319 */
   goto label5;
   label5: while(0);
   stack_frame_head = fra.me.prev;
@@ -1836,7 +2003,7 @@ val_t mmloader___ModuleLoader___load_and_process_module(val_t p0, val_t p1, val_
   static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 322;
+  fra.me.line = 335;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___load_and_process_module;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
@@ -1850,9 +2017,9 @@ val_t mmloader___ModuleLoader___load_and_process_module(val_t p0, val_t p1, val_
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
+  /* ./mmloader.nit:339 */
   REGB0 = TAG_Int(7);
   fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
-  /* ./mmloader.nit:326 */
   if (!once_value_1) {
     fra.me.REG[5] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
@@ -1860,9 +2027,10 @@ val_t mmloader___ModuleLoader___load_and_process_module(val_t p0, val_t p1, val_
     once_value_1 = fra.me.REG[5];
     register_static_object(&once_value_1);
   } else fra.me.REG[5] = once_value_1;
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   fra.me.REG[5] = CALL_abstractmetamodel___MMDirectory___path(fra.me.REG[3])(fra.me.REG[3]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   if (!once_value_2) {
     fra.me.REG[5] = BOX_NativeString("/");
     REGB0 = TAG_Int(1);
@@ -1870,9 +2038,10 @@ val_t mmloader___ModuleLoader___load_and_process_module(val_t p0, val_t p1, val_
     once_value_2 = fra.me.REG[5];
     register_static_object(&once_value_2);
   } else fra.me.REG[5] = once_value_2;
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   if (!once_value_3) {
     fra.me.REG[5] = BOX_NativeString(".");
     REGB0 = TAG_Int(1);
@@ -1880,9 +2049,10 @@ val_t mmloader___ModuleLoader___load_and_process_module(val_t p0, val_t p1, val_
     once_value_3 = fra.me.REG[5];
     register_static_object(&once_value_3);
   } else fra.me.REG[5] = once_value_3;
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   fra.me.REG[5] = CALL_mmloader___ModuleLoader___file_type(fra.me.REG[0])(fra.me.REG[0]);
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   if (!once_value_4) {
     fra.me.REG[5] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
@@ -1890,17 +2060,19 @@ val_t mmloader___ModuleLoader___load_and_process_module(val_t p0, val_t p1, val_
     once_value_4 = fra.me.REG[5];
     register_static_object(&once_value_4);
   } else fra.me.REG[5] = once_value_4;
-  array___Array___add(fra.me.REG[4], fra.me.REG[5]);
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
   fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+  /* ./mmloader.nit:340 */
   fra.me.REG[4] = CALL_mmloader___ModuleLoader___load_module(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], fra.me.REG[4]);
+  /* ./mmloader.nit:341 */
   fra.me.REG[3] = CALL_mmloader___ToolContext___opt_only_parse(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[3] = CALL_opts___Option___value(fra.me.REG[3])(fra.me.REG[3]);
   REGB0 = TAG_Bool(!UNTAG_Bool(fra.me.REG[3]));
-  /* ./mmloader.nit:328 */
   if (UNTAG_Bool(REGB0)) {
     CALL_mmloader___ModuleLoader___process_metamodel(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
   }
-  /* ./mmloader.nit:329 */
+  /* ./mmloader.nit:342 */
   goto label5;
   label5: while(0);
   stack_frame_head = fra.me.prev;
@@ -1916,7 +2088,7 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
     static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 332;
+  fra.me.line = 345;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___load_module;
   fra.me.has_broke = 0;
   fra.me.REG_size = 8;
@@ -1933,7 +2105,7 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
   fra.me.REG[4] = p4;
-  /* ./mmloader.nit:336 */
+  /* ./mmloader.nit:349 */
   if (!once_value_1) {
     fra.me.REG[5] = BOX_NativeString("-");
     REGB0 = TAG_Int(1);
@@ -1941,6 +2113,7 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
     once_value_1 = fra.me.REG[5];
     register_static_object(&once_value_1);
   } else fra.me.REG[5] = once_value_1;
+  fra.me.REG[5] = fra.me.REG[5];
   REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[4],fra.me.REG[5]));
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1948,20 +2121,20 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
     REGB0 = REGB1;
   }
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:350 */
     fra.me.REG[5] = CALL_file___Object___stdin(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./mmloader.nit:337 */
   } else {
+    /* ./mmloader.nit:352 */
     fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
     fra.me.REG[6] = NEW_IFStream_file___IFStream___open(fra.me.REG[6]);
     fra.me.REG[5] = fra.me.REG[6];
-  /* ./mmloader.nit:339 */
   }
+  /* ./mmloader.nit:355 */
   REGB0 = CALL_stream___IStream___eof(fra.me.REG[5])(fra.me.REG[5]);
-  /* ./mmloader.nit:342 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./mmloader.nit:356 */
     REGB0 = TAG_Int(3);
     fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB0);
-    /* ./mmloader.nit:343 */
     if (!once_value_2) {
       fra.me.REG[7] = BOX_NativeString("Error: Problem in opening file ");
       REGB0 = TAG_Int(31);
@@ -1969,8 +2142,9 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
       once_value_2 = fra.me.REG[7];
       register_static_object(&once_value_2);
     } else fra.me.REG[7] = once_value_2;
-    array___Array___add(fra.me.REG[6], fra.me.REG[7]);
-    array___Array___add(fra.me.REG[6], fra.me.REG[4]);
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
     if (!once_value_3) {
       fra.me.REG[7] = BOX_NativeString("");
       REGB0 = TAG_Int(0);
@@ -1978,14 +2152,16 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
       once_value_3 = fra.me.REG[7];
       register_static_object(&once_value_3);
     } else fra.me.REG[7] = once_value_3;
-    array___Array___add(fra.me.REG[6], fra.me.REG[7]);
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
     fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
     CALL_mmloader___ToolContext___fatal_error(fra.me.REG[1])(fra.me.REG[1], NIT_NULL, fra.me.REG[6]);
   }
+  /* ./mmloader.nit:358 */
   fra.me.REG[3] = CALL_mmloader___ModuleLoader___parse_file(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[5], fra.me.REG[4], fra.me.REG[2], fra.me.REG[3]);
+  /* ./mmloader.nit:359 */
   fra.me.REG[0] = CALL_file___Object___stdin(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[5],fra.me.REG[0]));
-  /* ./mmloader.nit:346 */
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[0]);
@@ -1995,7 +2171,7 @@ val_t mmloader___ModuleLoader___load_module(val_t p0, val_t p1, val_t p2, val_t
   if (UNTAG_Bool(REGB0)) {
     CALL_stream___IOS___close(fra.me.REG[5])(fra.me.REG[5]);
   }
-  /* ./mmloader.nit:347 */
+  /* ./mmloader.nit:360 */
   goto label4;
   label4: while(0);
   stack_frame_head = fra.me.prev;
@@ -2006,14 +2182,12 @@ val_t mmloader___ModuleLoader___parse_file(val_t p0, val_t p1, val_t p2, val_t p
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 350;
+  fra.me.line = 363;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___parse_file;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./mmloader.nit:350 */
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 350);
-  nit_exit(1);
+  /* ./mmloader.nit:363 */
+  nit_abort("Deferred method called", NULL, LOCATE_mmloader, 363);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
@@ -2022,14 +2196,12 @@ void mmloader___ModuleLoader___process_metamodel(val_t p0, val_t p1, val_t p2){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 353;
+  fra.me.line = 366;
   fra.me.meth = LOCATE_mmloader___ModuleLoader___process_metamodel;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./mmloader.nit:353 */
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 353);
-  nit_exit(1);
+  /* ./mmloader.nit:366 */
+  nit_abort("Deferred method called", NULL, LOCATE_mmloader, 366);
   stack_frame_head = fra.me.prev;
   return;
 }
@@ -2049,50 +2221,57 @@ void mmloader___ModuleLoader___init(val_t p0, int* init_table){
   return;
 }
 void mmloader___MMModule___import_supers_modules(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 tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_mmloader;
-  fra.me.line = 358;
+  fra.me.line = 371;
   fra.me.meth = LOCATE_mmloader___MMModule___import_supers_modules;
   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;
+  /* ./mmloader.nit:374 */
   fra.me.REG[2] = CALL_abstractmetamodel___MMModule___context(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./mmloader.nit:375 */
   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_ToolContext, ID_ToolContext)) /*cast ToolContext*/;
-  /* ./mmloader.nit:362 */
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Assert failed");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_mmloader, 362);
-    nit_exit(1);
+    nit_abort("Assert failed", NULL, LOCATE_mmloader, 375);
   }
+  /* ./mmloader.nit:376 */
   fra.me.REG[3] = NEW_Array_array___Array___init();
-  fra.me.REG[1] = CALL_abstract_collection___Collection___iterator(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./mmloader.nit:364 */
-  while(1) {
-    REGB0 = CALL_abstract_collection___Iterator___is_ok(fra.me.REG[1])(fra.me.REG[1]);
-    if (UNTAG_Bool(REGB0)) {
-      fra.me.REG[4] = CALL_abstract_collection___Iterator___item(fra.me.REG[1])(fra.me.REG[1]);
-      fra.me.REG[4] = CALL_mmloader___ToolContext___get_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4], fra.me.REG[0]);
-      /* ./mmloader.nit:366 */
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-    } else {
-      /* ./mmloader.nit:364 */
-      goto label1;
-    }
-    CALL_abstract_collection___Iterator___next(fra.me.REG[1])(fra.me.REG[1]);
-  }
-  label1: while(0);
-  /* ./mmloader.nit:368 */
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[1])(fra.me.REG[1], (&(fra.me)), ((fun_t)OC_mmloader___MMModule___import_supers_modules_1));
+  /* ./mmloader.nit:381 */
   CALL_abstractmetamodel___MMContext___add_module(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[3]);
   stack_frame_head = fra.me.prev;
   return;
 }
+  void OC_mmloader___MMModule___import_supers_modules_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me;} fra;
+    fun_t CREG[1];
+    val_t tmp;
+    /* ./mmloader.nit:377 */
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_mmloader;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_mmloader___MMModule___import_supers_modules;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 1;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./mmloader.nit:378 */
+    fra.me.REG[0] = CALL_mmloader___ToolContext___get_module(closctx->REG[2])(closctx->REG[2], fra.me.REG[0], closctx->REG[0]);
+    /* ./mmloader.nit:379 */
+    CALL_abstract_collection___SimpleCollection___add(closctx->REG[3])(closctx->REG[3], fra.me.REG[0]);
+    stack_frame_head = fra.me.prev;
+    return;
+  }