c_src: updates for latest fixes

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

diff --git a/c_src/syntax___syntax_base._sep.c b/c_src/syntax___syntax_base._sep.c
index ee19198..db604fa 100644 (file)
--- a/c_src/syntax___syntax_base._sep.c
+++ b/c_src/syntax___syntax_base._sep.c
@@ -9,6 +9,7 @@ void syntax___syntax_base___MMSrcModule___clear_ast(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___clear_ast;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:32 */
@@ -17,7 +18,7 @@ void syntax___syntax_base___MMSrcModule___clear_ast(val_t p0){
   return;
 }
 val_t syntax___syntax_base___MMSrcModule___node(val_t p0){
-  struct {struct stack_frame_t me;} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -25,12 +26,16 @@ val_t syntax___syntax_base___MMSrcModule___node(val_t p0){
   fra.me.line = 34;
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___node;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./syntax//syntax_base.nit:34 */
+  fra.me.REG[1] = fra.me.REG[0];
   /* ./syntax//syntax_base.nit:35 */
-  fra.me.REG[0] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[0]);
-  REGB0 = TAG_Bool((fra.me.REG[0]!=NIT_NULL) && VAL_ISA(fra.me.REG[0], COLOR_parser___parser_nodes___AModule, ID_parser___parser_nodes___AModule)) /*cast AModule*/;
+  fra.me.REG[1] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[1]);
+  REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_parser___parser_nodes___AModule, ID_parser___parser_nodes___AModule)) /*cast AModule*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 35);
@@ -38,7 +43,7 @@ val_t syntax___syntax_base___MMSrcModule___node(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 val_t syntax___syntax_base___MMSrcModule___src_local_classes(val_t p0){
   struct {struct stack_frame_t me;} fra;
@@ -50,6 +55,7 @@ val_t syntax___syntax_base___MMSrcModule___src_local_classes(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___src_local_classes;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:37 */
@@ -73,6 +79,7 @@ void syntax___syntax_base___MMSrcModule___init(val_t p0, val_t p1, val_t p2, val
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 7;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -110,6 +117,7 @@ val_t syntax___syntax_base___MMSrcModule___nodes(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___nodes;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -167,6 +175,7 @@ void syntax___syntax_base___MMSrcModule___nodes__eq(val_t p0, val_t p1, val_t p2
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___nodes__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -205,6 +214,7 @@ val_t syntax___syntax_base___MMModule___nodes(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___MMModule___nodes;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -225,6 +235,7 @@ void syntax___syntax_base___MMModule___nodes__eq(val_t p0, val_t p1, val_t p2){
   fra.me.meth = LOCATE_syntax___syntax_base___MMModule___nodes__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -254,6 +265,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
   fra.me.meth = LOCATE_syntax___syntax_base___MMGlobalClass___check_visibility;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -280,7 +292,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ./../lib/standard//kernel.nit:227 */
     REGB1 = TAG_Bool((REGB0)==(REGB1));
     /* ./syntax//syntax_base.nit:71 */
     REGB2 = REGB1;
@@ -295,7 +307,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
     REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
     if (UNTAG_Bool(REGB3)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ./../lib/standard//kernel.nit:227 */
       REGB1 = TAG_Bool((REGB0)==(REGB1));
       /* ./syntax//syntax_base.nit:73 */
       REGB3 = REGB1;
@@ -303,7 +315,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
     if (UNTAG_Bool(REGB3)) {
       /* ./syntax//syntax_base.nit:74 */
       REGB3 = TAG_Int(5);
-      fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB3);
+      fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB3);
       if (!once_value_2) {
         fra.me.REG[5] = BOX_NativeString("Visibility error: Class ");
         REGB3 = TAG_Int(24);
@@ -312,9 +324,9 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
         register_static_object(&once_value_2);
       } else fra.me.REG[5] = once_value_2;
       fra.me.REG[5] = fra.me.REG[5];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
       fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
       if (!once_value_3) {
         fra.me.REG[5] = BOX_NativeString(" comes from the hidden module ");
         REGB3 = TAG_Int(30);
@@ -323,20 +335,20 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
         register_static_object(&once_value_3);
       } else fra.me.REG[5] = once_value_3;
       fra.me.REG[5] = fra.me.REG[5];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+      fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_4) {
-        fra.me.REG[3] = BOX_NativeString(".");
+        fra.me.REG[4] = BOX_NativeString(".");
         REGB3 = TAG_Int(1);
-        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB3);
-        once_value_4 = fra.me.REG[3];
+        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB3);
+        once_value_4 = fra.me.REG[4];
         register_static_object(&once_value_4);
-      } else fra.me.REG[3] = once_value_4;
-      fra.me.REG[3] = fra.me.REG[3];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
-      fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+      } else fra.me.REG[4] = once_value_4;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
       /* ./syntax//syntax_base.nit:75 */
       REGB3 = TAG_Bool(false);
       REGB2 = REGB3;
@@ -345,24 +357,29 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
       /* ./syntax//syntax_base.nit:76 */
       REGB3 = CALL_metamodel___abstractmetamodel___MMGlobalClass___visibility_level(fra.me.REG[0])(fra.me.REG[0]);
       REGB1 = TAG_Int(3);
-      /* ./../lib/standard//kernel.nit:216 */
+      REGB0 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ./../lib/standard//kernel.nit:233 */
       REGB1 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB1));
       /* ./syntax//syntax_base.nit:76 */
       if (UNTAG_Bool(REGB1)) {
         /* ./syntax//syntax_base.nit:77 */
         REGB1 = TAG_Int(3);
-        fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+        fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
         if (!once_value_5) {
-          fra.me.REG[3] = BOX_NativeString("Visibility error: Class ");
+          fra.me.REG[4] = BOX_NativeString("Visibility error: Class ");
           REGB1 = TAG_Int(24);
-          fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
-          once_value_5 = fra.me.REG[3];
+          fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
+          once_value_5 = fra.me.REG[4];
           register_static_object(&once_value_5);
-        } else fra.me.REG[3] = once_value_5;
-        fra.me.REG[3] = fra.me.REG[3];
-        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+        } else fra.me.REG[4] = once_value_5;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
         fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
+        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
         if (!once_value_6) {
           fra.me.REG[0] = BOX_NativeString(" is private.");
           REGB1 = TAG_Int(12);
@@ -371,9 +388,9 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
           register_static_object(&once_value_6);
         } else fra.me.REG[0] = once_value_6;
         fra.me.REG[0] = fra.me.REG[0];
-        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
-        fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-        CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+        fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
         /* ./syntax//syntax_base.nit:78 */
         REGB1 = TAG_Bool(false);
         REGB2 = REGB1;
@@ -390,7 +407,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
   return REGB2;
 }
 val_t syntax___syntax_base___MMSrcLocalClass___node(val_t p0){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -398,14 +415,18 @@ val_t syntax___syntax_base___MMSrcLocalClass___node(val_t p0){
   fra.me.line = 87;
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcLocalClass___node;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
+  fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./syntax//syntax_base.nit:87 */
+  fra.me.REG[1] = fra.me.REG[0];
   /* ./syntax//syntax_base.nit:88 */
-  fra.me.REG[1] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  REGB0 = TAG_Bool((fra.me.REG[0]==NIT_NULL) || VAL_ISA(fra.me.REG[0], COLOR_parser___parser_nodes___AClassdef, ID_parser___parser_nodes___AClassdef)) /*cast nullable AClassdef*/;
+  fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  REGB0 = TAG_Bool((fra.me.REG[1]==NIT_NULL) || VAL_ISA(fra.me.REG[1], COLOR_parser___parser_nodes___AClassdef, ID_parser___parser_nodes___AClassdef)) /*cast nullable AClassdef*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 88);
@@ -413,7 +434,7 @@ val_t syntax___syntax_base___MMSrcLocalClass___node(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 val_t syntax___syntax_base___MMSrcLocalClass___formal_dict(val_t p0){
   struct {struct stack_frame_t me;} fra;
@@ -425,6 +446,7 @@ val_t syntax___syntax_base___MMSrcLocalClass___formal_dict(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcLocalClass___formal_dict;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:90 */
@@ -447,6 +469,7 @@ val_t syntax___syntax_base___MMSrcLocalClass___src_local_properties(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcLocalClass___src_local_properties;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:93 */
@@ -471,6 +494,7 @@ void syntax___syntax_base___MMSrcLocalClass___init(val_t p0, val_t p1, val_t p2,
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcLocalClass___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -515,6 +539,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
   fra.me.meth = LOCATE_syntax___syntax_base___MMGlobalProperty___check_visibility;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -542,7 +567,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
   if (UNTAG_Bool(REGB3)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ./../lib/standard//kernel.nit:227 */
     REGB2 = TAG_Bool((REGB1)==(REGB2));
     /* ./syntax//syntax_base.nit:110 */
     REGB3 = REGB2;
@@ -557,7 +582,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
     REGB4 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
     if (UNTAG_Bool(REGB4)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ./../lib/standard//kernel.nit:227 */
       REGB2 = TAG_Bool((REGB1)==(REGB2));
       /* ./syntax//syntax_base.nit:112 */
       REGB4 = REGB2;
@@ -565,7 +590,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
     if (UNTAG_Bool(REGB4)) {
       /* ./syntax//syntax_base.nit:114 */
       REGB4 = TAG_Int(5);
-      fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB4);
+      fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB4);
       if (!once_value_2) {
         fra.me.REG[5] = BOX_NativeString("Visibility error: Property ");
         REGB4 = TAG_Int(27);
@@ -574,9 +599,9 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         register_static_object(&once_value_2);
       } else fra.me.REG[5] = once_value_2;
       fra.me.REG[5] = fra.me.REG[5];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
       fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
       if (!once_value_3) {
         fra.me.REG[5] = BOX_NativeString(" comes from the hidden module ");
         REGB4 = TAG_Int(30);
@@ -585,20 +610,20 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         register_static_object(&once_value_3);
       } else fra.me.REG[5] = once_value_3;
       fra.me.REG[5] = fra.me.REG[5];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
-      fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+      fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_4) {
-        fra.me.REG[3] = BOX_NativeString(".");
+        fra.me.REG[4] = BOX_NativeString(".");
         REGB4 = TAG_Int(1);
-        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB4);
-        once_value_4 = fra.me.REG[3];
+        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB4);
+        once_value_4 = fra.me.REG[4];
         register_static_object(&once_value_4);
-      } else fra.me.REG[3] = once_value_4;
-      fra.me.REG[3] = fra.me.REG[3];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
-      fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+      } else fra.me.REG[4] = once_value_4;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
       /* ./syntax//syntax_base.nit:115 */
       REGB4 = TAG_Bool(false);
       REGB3 = REGB4;
@@ -607,35 +632,40 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
       /* ./syntax//syntax_base.nit:116 */
       REGB4 = CALL_metamodel___abstractmetamodel___MMGlobalProperty___visibility_level(fra.me.REG[0])(fra.me.REG[0]);
       REGB2 = TAG_Int(3);
-      /* ./../lib/standard//kernel.nit:216 */
+      REGB1 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ./../lib/standard//kernel.nit:233 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB2));
       /* ./syntax//syntax_base.nit:116 */
       if (UNTAG_Bool(REGB2)) {
         /* ./syntax//syntax_base.nit:117 */
         REGB2 = TAG_Int(3);
-        fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
+        fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
         if (!once_value_5) {
-          fra.me.REG[3] = BOX_NativeString("Visibility error: Property ");
+          fra.me.REG[4] = BOX_NativeString("Visibility error: Property ");
           REGB2 = TAG_Int(27);
-          fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB2);
-          once_value_5 = fra.me.REG[3];
+          fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB2);
+          once_value_5 = fra.me.REG[4];
           register_static_object(&once_value_5);
-        } else fra.me.REG[3] = once_value_5;
-        fra.me.REG[3] = fra.me.REG[3];
-        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
-        fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+        } else fra.me.REG[4] = once_value_5;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+        fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
         if (!once_value_6) {
-          fra.me.REG[3] = BOX_NativeString(" is private.");
+          fra.me.REG[4] = BOX_NativeString(" is private.");
           REGB2 = TAG_Int(12);
-          fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB2);
-          once_value_6 = fra.me.REG[3];
+          fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB2);
+          once_value_6 = fra.me.REG[4];
           register_static_object(&once_value_6);
-        } else fra.me.REG[3] = once_value_6;
-        fra.me.REG[3] = fra.me.REG[3];
-        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
-        fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-        CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+        } else fra.me.REG[4] = once_value_6;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+        fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
         /* ./syntax//syntax_base.nit:118 */
         REGB2 = TAG_Bool(false);
         REGB3 = REGB2;
@@ -644,7 +674,12 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         /* ./syntax//syntax_base.nit:119 */
         REGB2 = CALL_metamodel___abstractmetamodel___MMGlobalProperty___visibility_level(fra.me.REG[0])(fra.me.REG[0]);
         REGB4 = TAG_Int(2);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB1 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ./../lib/standard//kernel.nit:233 */
         REGB4 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB4));
         /* ./syntax//syntax_base.nit:119 */
         if (UNTAG_Bool(REGB4)) {
@@ -656,18 +691,18 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         if (UNTAG_Bool(REGB0)) {
           /* ./syntax//syntax_base.nit:120 */
           REGB0 = TAG_Int(3);
-          fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
+          fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
           if (!once_value_7) {
-            fra.me.REG[3] = BOX_NativeString("Visibility error: Property ");
+            fra.me.REG[4] = BOX_NativeString("Visibility error: Property ");
             REGB0 = TAG_Int(27);
-            fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB0);
-            once_value_7 = fra.me.REG[3];
+            fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB0);
+            once_value_7 = fra.me.REG[4];
             register_static_object(&once_value_7);
-          } else fra.me.REG[3] = once_value_7;
-          fra.me.REG[3] = fra.me.REG[3];
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+          } else fra.me.REG[4] = once_value_7;
+          fra.me.REG[4] = fra.me.REG[4];
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
           fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
           if (!once_value_8) {
             fra.me.REG[0] = BOX_NativeString(" is protected and can only acceded by self.");
             REGB0 = TAG_Int(43);
@@ -676,9 +711,9 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
             register_static_object(&once_value_8);
           } else fra.me.REG[0] = once_value_8;
           fra.me.REG[0] = fra.me.REG[0];
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
-          fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-          CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+          fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+          CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
           /* ./syntax//syntax_base.nit:121 */
           REGB0 = TAG_Bool(false);
           REGB3 = REGB0;
@@ -704,6 +739,7 @@ val_t syntax___syntax_base___MMLocalProperty___node(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMLocalProperty___node;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:129 */
@@ -723,6 +759,7 @@ val_t syntax___syntax_base___MMLocalProperty___is_init(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMLocalProperty___is_init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:132 */
@@ -733,7 +770,7 @@ val_t syntax___syntax_base___MMLocalProperty___is_init(val_t p0){
   return REGB0;
 }
 val_t syntax___syntax_base___MMSrcAttribute___node(val_t p0){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -741,14 +778,17 @@ val_t syntax___syntax_base___MMSrcAttribute___node(val_t p0){
   fra.me.line = 138;
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcAttribute___node;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
+  fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:138 */
-  fra.me.REG[1] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  REGB0 = TAG_Bool((fra.me.REG[0]==NIT_NULL) || VAL_ISA(fra.me.REG[0], COLOR_parser___parser_nodes___AAttrPropdef, ID_parser___parser_nodes___AAttrPropdef)) /*cast nullable AAttrPropdef*/;
+  fra.me.REG[1] = fra.me.REG[0];
+  fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  REGB0 = TAG_Bool((fra.me.REG[1]==NIT_NULL) || VAL_ISA(fra.me.REG[1], COLOR_parser___parser_nodes___AAttrPropdef, ID_parser___parser_nodes___AAttrPropdef)) /*cast nullable AAttrPropdef*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 138);
@@ -756,7 +796,7 @@ val_t syntax___syntax_base___MMSrcAttribute___node(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 void syntax___syntax_base___MMSrcAttribute___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos2 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMSrcAttribute].i;
@@ -769,6 +809,7 @@ void syntax___syntax_base___MMSrcAttribute___init(val_t p0, val_t p1, val_t p2,
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcAttribute___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -799,6 +840,7 @@ val_t syntax___syntax_base___MMSrcMethod___is_intern(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcMethod___is_intern;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:149 */
@@ -818,6 +860,7 @@ val_t syntax___syntax_base___MMSrcMethod___is_extern(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcMethod___is_extern;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:150 */
@@ -837,6 +880,7 @@ val_t syntax___syntax_base___MMSrcMethod___is_abstract(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcMethod___is_abstract;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:151 */
@@ -855,6 +899,7 @@ val_t syntax___syntax_base___MMSrcMethod___extern_name(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcMethod___extern_name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:152 */
@@ -865,7 +910,7 @@ val_t syntax___syntax_base___MMSrcMethod___extern_name(val_t p0){
   return fra.me.REG[0];
 }
 val_t syntax___syntax_base___MMAttrImplementationMethod___node(val_t p0){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -873,14 +918,17 @@ val_t syntax___syntax_base___MMAttrImplementationMethod___node(val_t p0){
   fra.me.line = 158;
   fra.me.meth = LOCATE_syntax___syntax_base___MMAttrImplementationMethod___node;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
+  fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:158 */
-  fra.me.REG[1] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  REGB0 = TAG_Bool((fra.me.REG[0]==NIT_NULL) || VAL_ISA(fra.me.REG[0], COLOR_parser___parser_nodes___AAttrPropdef, ID_parser___parser_nodes___AAttrPropdef)) /*cast nullable AAttrPropdef*/;
+  fra.me.REG[1] = fra.me.REG[0];
+  fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  REGB0 = TAG_Bool((fra.me.REG[1]==NIT_NULL) || VAL_ISA(fra.me.REG[1], COLOR_parser___parser_nodes___AAttrPropdef, ID_parser___parser_nodes___AAttrPropdef)) /*cast nullable AAttrPropdef*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 158);
@@ -888,7 +936,7 @@ val_t syntax___syntax_base___MMAttrImplementationMethod___node(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 void syntax___syntax_base___MMAttrImplementationMethod___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos3 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMAttrImplementationMethod].i;
@@ -901,6 +949,7 @@ void syntax___syntax_base___MMAttrImplementationMethod___init(val_t p0, val_t p1
   fra.me.meth = LOCATE_syntax___syntax_base___MMAttrImplementationMethod___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -932,6 +981,7 @@ void syntax___syntax_base___MMReadImplementationMethod___init(val_t p0, val_t p1
   fra.me.meth = LOCATE_syntax___syntax_base___MMReadImplementationMethod___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -957,6 +1007,7 @@ void syntax___syntax_base___MMWriteImplementationMethod___init(val_t p0, val_t p
   fra.me.meth = LOCATE_syntax___syntax_base___MMWriteImplementationMethod___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -981,6 +1032,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___is_init(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___is_init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:187 */
@@ -1003,6 +1055,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___is_intern(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___is_intern;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:188 */
@@ -1025,6 +1078,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___is_extern(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___is_extern;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:189 */
@@ -1047,6 +1101,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___is_abstract(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___is_abstract;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:190 */
@@ -1068,6 +1123,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___extern_name(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___extern_name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:191 */
@@ -1084,6 +1140,7 @@ void syntax___syntax_base___MMMethSrcMethod___extern_name__eq(val_t p0, val_t p1
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___extern_name__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -1103,6 +1160,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___explicit_casts(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___explicit_casts;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:192 */
@@ -1125,6 +1183,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___explicit_imports(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___explicit_imports;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:193 */
@@ -1138,7 +1197,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___explicit_imports(val_t p0){
   return fra.me.REG[0];
 }
 val_t syntax___syntax_base___MMMethSrcMethod___node(val_t p0){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -1146,14 +1205,17 @@ val_t syntax___syntax_base___MMMethSrcMethod___node(val_t p0){
   fra.me.line = 194;
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___node;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
+  fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:194 */
-  fra.me.REG[1] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[0] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  REGB0 = TAG_Bool((fra.me.REG[0]==NIT_NULL) || VAL_ISA(fra.me.REG[0], COLOR_parser___parser_nodes___AMethPropdef, ID_parser___parser_nodes___AMethPropdef)) /*cast nullable AMethPropdef*/;
+  fra.me.REG[1] = fra.me.REG[0];
+  fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = CALL_syntax___syntax_base___MMModule___nodes(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  REGB0 = TAG_Bool((fra.me.REG[1]==NIT_NULL) || VAL_ISA(fra.me.REG[1], COLOR_parser___parser_nodes___AMethPropdef, ID_parser___parser_nodes___AMethPropdef)) /*cast nullable AMethPropdef*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 194);
@@ -1161,7 +1223,7 @@ val_t syntax___syntax_base___MMMethSrcMethod___node(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 void syntax___syntax_base___MMMethSrcMethod___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos6 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMMethSrcMethod].i;
@@ -1175,6 +1237,7 @@ void syntax___syntax_base___MMMethSrcMethod___init(val_t p0, val_t p1, val_t p2,
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1232,6 +1295,7 @@ void syntax___syntax_base___MMSrcTypeProperty___init(val_t p0, val_t p1, val_t p
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcTypeProperty___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1255,6 +1319,7 @@ val_t syntax___syntax_base___MMImplicitInit___super_init(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMImplicitInit___super_init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:224 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 224);
   stack_frame_head = fra.me.prev;
@@ -1270,6 +1335,7 @@ val_t syntax___syntax_base___MMImplicitInit___is_init(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMImplicitInit___is_init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:225 */
@@ -1289,6 +1355,7 @@ val_t syntax___syntax_base___MMImplicitInit___unassigned_attributes(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMImplicitInit___unassigned_attributes;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:226 */
@@ -1311,6 +1378,7 @@ val_t syntax___syntax_base___MMImplicitInit___super_inits(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMImplicitInit___super_inits;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:227 */
@@ -1337,6 +1405,7 @@ void syntax___syntax_base___MMImplicitInit___init(val_t p0, val_t p1, val_t p2,
   fra.me.meth = LOCATE_syntax___syntax_base___MMImplicitInit___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1383,6 +1452,7 @@ val_t syntax___syntax_base___Variable___name(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:238 */
@@ -1404,6 +1474,7 @@ val_t syntax___syntax_base___Variable___decl(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___decl;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:241 */
@@ -1420,6 +1491,7 @@ val_t syntax___syntax_base___Variable___stype(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:244 */
@@ -1436,6 +1508,7 @@ void syntax___syntax_base___Variable___stype__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___stype__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -1455,6 +1528,7 @@ val_t syntax___syntax_base___Variable___to_s(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:247 */
@@ -1479,6 +1553,7 @@ val_t syntax___syntax_base___Variable___kind(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___kind;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:249 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 249);
   stack_frame_head = fra.me.prev;
@@ -1495,6 +1570,7 @@ void syntax___syntax_base___Variable___init(val_t p0, val_t p1, val_t p2, int* i
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1521,6 +1597,7 @@ val_t syntax___syntax_base___VarVariable___kind(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___VarVariable___kind;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:261 */
@@ -1553,6 +1630,7 @@ void syntax___syntax_base___VarVariable___init(val_t p0, val_t p1, val_t p2, int
   fra.me.meth = LOCATE_syntax___syntax_base___VarVariable___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1577,6 +1655,7 @@ val_t syntax___syntax_base___ParamVariable___kind(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ParamVariable___kind;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:268 */
@@ -1609,6 +1688,7 @@ void syntax___syntax_base___ParamVariable___init(val_t p0, val_t p1, val_t p2, i
   fra.me.meth = LOCATE_syntax___syntax_base___ParamVariable___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1633,6 +1713,7 @@ val_t syntax___syntax_base___AutoVariable___kind(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AutoVariable___kind;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:275 */
@@ -1665,6 +1746,7 @@ void syntax___syntax_base___AutoVariable___init(val_t p0, val_t p1, val_t p2, in
   fra.me.meth = LOCATE_syntax___syntax_base___AutoVariable___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1689,6 +1771,7 @@ val_t syntax___syntax_base___ClosureVariable___kind(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ClosureVariable___kind;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:283 */
@@ -1720,6 +1803,7 @@ val_t syntax___syntax_base___ClosureVariable___closure(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ClosureVariable___closure;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:285 */
@@ -1743,6 +1827,7 @@ void syntax___syntax_base___ClosureVariable___init(val_t p0, val_t p1, val_t p2,
   fra.me.meth = LOCATE_syntax___syntax_base___ClosureVariable___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1774,6 +1859,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1857,6 +1943,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(va
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 7;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -1942,6 +2029,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_object(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_object;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -1978,6 +2066,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_bool(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_bool;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2014,6 +2103,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_int(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_int;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2050,6 +2140,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_float(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_float;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2086,6 +2177,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_char(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_char;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2122,6 +2214,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_string(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_string;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2158,6 +2251,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_nativestring(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_nativestring;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2194,6 +2288,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_array(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_array;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2236,6 +2331,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_discrete(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_discrete;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2272,6 +2368,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_range(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_range;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2312,6 +2409,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_none(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_none;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:377 */
@@ -2340,6 +2438,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___get_method;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2410,6 +2509,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___mmmodule(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___mmmodule;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:388 */
@@ -2423,7 +2523,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___mmmodule(val_t p0){
   return fra.me.REG[0];
 }
 val_t syntax___syntax_base___AbsSyntaxVisitor___local_class(val_t p0){
-  struct {struct stack_frame_t me;} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -2431,12 +2531,16 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___local_class(val_t p0){
   fra.me.line = 391;
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_class;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./syntax//syntax_base.nit:391 */
+  fra.me.REG[1] = fra.me.REG[0];
   /* ./syntax//syntax_base.nit:392 */
-  fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____local_class(fra.me.REG[0]);
-  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  fra.me.REG[1] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____local_class(fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[1]!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 392);
@@ -2444,7 +2548,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___local_class(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 void syntax___syntax_base___AbsSyntaxVisitor___local_class__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -2455,6 +2559,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___local_class__eq(val_t p0, val_t p
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_class__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2465,7 +2570,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___local_class__eq(val_t p0, val_t p
   return;
 }
 val_t syntax___syntax_base___AbsSyntaxVisitor___local_property(val_t p0){
-  struct {struct stack_frame_t me;} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
@@ -2473,12 +2578,16 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___local_property(val_t p0){
   fra.me.line = 395;
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_property;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./syntax//syntax_base.nit:395 */
+  fra.me.REG[1] = fra.me.REG[0];
   /* ./syntax//syntax_base.nit:396 */
-  fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____local_property(fra.me.REG[0]);
-  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  fra.me.REG[1] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____local_property(fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[1]!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 396);
@@ -2486,7 +2595,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___local_property(val_t p0){
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
+  return fra.me.REG[1];
 }
 void syntax___syntax_base___AbsSyntaxVisitor___local_property__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -2497,6 +2606,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___local_property__eq(val_t p0, val_
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_property__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -2516,6 +2626,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___tc(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___tc;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:399 */
@@ -2539,6 +2650,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___error(val_t p0, val_t p1, val_t p
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___error;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2590,6 +2702,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___fatal_error(val_t p0, val_t p1, v
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___fatal_error;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2641,6 +2754,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___warning(val_t p0, val_t p1, val_t
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___warning;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2696,6 +2810,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2812,6 +2927,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_expr(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_expr;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2829,7 +2945,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_expr(val_t p0, val_t p1){
     REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
     if (UNTAG_Bool(REGB2)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ./../lib/standard//kernel.nit:227 */
       REGB1 = TAG_Bool((REGB0)==(REGB1));
       /* ./syntax//syntax_base.nit:439 */
       REGB2 = REGB1;
@@ -2906,6 +3022,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -2957,6 +3074,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -3016,6 +3134,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr;
     fra.me.has_broke = 0;
     fra.me.REG_size = 3;
+    fra.me.nitni_local_ref_head = NULL;
     fra.me.REG[0] = NIT_NULL;
     fra.me.REG[1] = NIT_NULL;
     fra.me.REG[2] = NIT_NULL;
@@ -3057,7 +3176,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
       REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
       if (UNTAG_Bool(REGB2)) {
       } else {
-        /* ./../lib/standard//kernel.nit:178 */
+        /* ./../lib/standard//kernel.nit:195 */
         REGB1 = TAG_Bool((REGB0)==(REGB1));
         /* ./syntax//syntax_base.nit:476 */
         REGB2 = REGB1;
@@ -3132,6 +3251,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr;
     fra.me.has_broke = 0;
     fra.me.REG_size = 4;
+    fra.me.nitni_local_ref_head = NULL;
     fra.me.REG[0] = NIT_NULL;
     fra.me.REG[1] = NIT_NULL;
     fra.me.REG[2] = NIT_NULL;
@@ -3272,6 +3392,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___init(val_t p0, val_t p1, val_t p2
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -3299,6 +3420,7 @@ void syntax___syntax_base___ANode___accept_abs_syntax_visitor(val_t p0, val_t p1
   fra.me.meth = LOCATE_syntax___syntax_base___ANode___accept_abs_syntax_visitor;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -3319,6 +3441,7 @@ val_t syntax___syntax_base___Token___to_symbol(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___Token___to_symbol;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -3361,6 +3484,7 @@ val_t syntax___syntax_base___AClassdef___local_class(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClassdef___local_class;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:530 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 530);
   stack_frame_head = fra.me.prev;
@@ -3375,6 +3499,7 @@ val_t syntax___syntax_base___AClassdef___next_node(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClassdef___next_node;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:533 */
@@ -3391,6 +3516,7 @@ void syntax___syntax_base___AClassdef___next_node__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AClassdef___next_node__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -3409,6 +3535,7 @@ val_t syntax___syntax_base___APropdef___self_var(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___APropdef___self_var;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:538 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 538);
   stack_frame_head = fra.me.prev;
@@ -3423,6 +3550,7 @@ val_t syntax___syntax_base___AAttrPropdef___prop(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrPropdef___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:543 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 543);
   stack_frame_head = fra.me.prev;
@@ -3437,6 +3565,7 @@ val_t syntax___syntax_base___AAttrPropdef___readmethod(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrPropdef___readmethod;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:546 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 546);
   stack_frame_head = fra.me.prev;
@@ -3451,6 +3580,7 @@ val_t syntax___syntax_base___AAttrPropdef___writemethod(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrPropdef___writemethod;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:549 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 549);
   stack_frame_head = fra.me.prev;
@@ -3466,6 +3596,7 @@ val_t syntax___syntax_base___AConcreteInitPropdef___super_init_calls(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AConcreteInitPropdef___super_init_calls;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:554 */
@@ -3488,6 +3619,7 @@ val_t syntax___syntax_base___AConcreteInitPropdef___explicit_super_init_calls(va
   fra.me.meth = LOCATE_syntax___syntax_base___AConcreteInitPropdef___explicit_super_init_calls;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:555 */
@@ -3509,6 +3641,7 @@ val_t syntax___syntax_base___AMethPropdef___method(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AMethPropdef___method;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:559 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 559);
   stack_frame_head = fra.me.prev;
@@ -3523,6 +3656,7 @@ val_t syntax___syntax_base___ATypePropdef___prop(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ATypePropdef___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:564 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 564);
   stack_frame_head = fra.me.prev;
@@ -3537,6 +3671,7 @@ val_t syntax___syntax_base___AParam___position(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AParam___position;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:569 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 569);
   stack_frame_head = fra.me.prev;
@@ -3551,6 +3686,7 @@ val_t syntax___syntax_base___AParam___variable(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AParam___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:572 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 572);
   stack_frame_head = fra.me.prev;
@@ -3565,6 +3701,7 @@ val_t syntax___syntax_base___AClosureDecl___position(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDecl___position;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:577 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 577);
   stack_frame_head = fra.me.prev;
@@ -3579,6 +3716,7 @@ val_t syntax___syntax_base___AClosureDecl___variable(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDecl___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:580 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 580);
   stack_frame_head = fra.me.prev;
@@ -3593,6 +3731,7 @@ val_t syntax___syntax_base___AType___is_typed(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AType___is_typed;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:585 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 585);
   stack_frame_head = fra.me.prev;
@@ -3607,6 +3746,7 @@ val_t syntax___syntax_base___AType___stype(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AType___stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:590 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 590);
   stack_frame_head = fra.me.prev;
@@ -3628,6 +3768,7 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AType___get_local_class;
   fra.me.has_broke = 0;
   fra.me.REG_size = 8;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -3775,6 +3916,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AType___get_unchecked_stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 8;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -3814,7 +3956,12 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     fra.me.REG[5] = CALL_parser___parser_nodes___AType___n_types(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = CALL_standard___collection___abstract_collection___Collection___length(fra.me.REG[5])(fra.me.REG[5]);
     REGB1 = TAG_Int(0);
-    /* ./../lib/standard//kernel.nit:217 */
+    REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ./../lib/standard//kernel.nit:234 */
     REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
     /* ./syntax//syntax_base.nit:637 */
     if (UNTAG_Bool(REGB1)) {
@@ -3886,7 +4033,12 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     fra.me.REG[6] = CALL_parser___parser_nodes___AType___n_types(fra.me.REG[0])(fra.me.REG[0]);
     REGB1 = CALL_standard___collection___abstract_collection___Collection___length(fra.me.REG[6])(fra.me.REG[6]);
     REGB0 = TAG_Int(0);
-    /* ./../lib/standard//kernel.nit:217 */
+    REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ./../lib/standard//kernel.nit:234 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB0));
     /* ./syntax//syntax_base.nit:648 */
     if (UNTAG_Bool(REGB0)) {
@@ -4029,7 +4181,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB0));
   if (UNTAG_Bool(REGB2)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ./../lib/standard//kernel.nit:227 */
     REGB1 = TAG_Bool((REGB1)==(REGB0));
     /* ./syntax//syntax_base.nit:666 */
     REGB2 = REGB1;
@@ -4041,7 +4193,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     REGB1 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
     if (UNTAG_Bool(REGB1)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ./../lib/standard//kernel.nit:227 */
       REGB2 = TAG_Bool((REGB0)==(REGB2));
       /* ./syntax//syntax_base.nit:667 */
       REGB1 = REGB2;
@@ -4083,7 +4235,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
       if (UNTAG_Bool(REGB3)) {
       } else {
-        /* ./../lib/standard//kernel.nit:210 */
+        /* ./../lib/standard//kernel.nit:227 */
         REGB2 = TAG_Bool((REGB1)==(REGB2));
         /* ./syntax//syntax_base.nit:669 */
         REGB3 = REGB2;
@@ -4175,7 +4327,12 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
   }
   /* ./syntax//syntax_base.nit:677 */
   REGB3 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:217 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ./../lib/standard//kernel.nit:234 */
   REGB3 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB3));
   /* ./syntax//syntax_base.nit:677 */
   if (UNTAG_Bool(REGB3)) {
@@ -4248,6 +4405,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       fra.me.meth = LOCATE_syntax___syntax_base___AType___get_unchecked_stype;
       fra.me.has_broke = 0;
       fra.me.REG_size = 1;
+      fra.me.nitni_local_ref_head = NULL;
       fra.me.REG[0] = NIT_NULL;
       fra.me.closure_ctx = closctx_param;
       fra.me.closure_funs = CREG;
@@ -4290,6 +4448,7 @@ val_t syntax___syntax_base___AType___get_stype(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AType___get_stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -4347,6 +4506,7 @@ void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AType___check_conform;
   fra.me.has_broke = 0;
   fra.me.REG_size = 8;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -4386,23 +4546,33 @@ void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
   REGB0 = CALL_standard___collection___abstract_collection___Collection___length(fra.me.REG[4])(fra.me.REG[4]);
   /* ./syntax//syntax_base.nit:713 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:217 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ./../lib/standard//kernel.nit:234 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
   /* ./syntax//syntax_base.nit:713 */
   if (UNTAG_Bool(REGB1)) {
     /* ./syntax//syntax_base.nit:714 */
     REGB1 = TAG_Int(0);
-    /* ./../lib/standard//kernel.nit:335 */
+    /* ./../lib/standard//kernel.nit:352 */
     while(1) {
-      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ./../lib/standard//kernel.nit:232 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-      /* ./../lib/standard//kernel.nit:335 */
+      /* ./../lib/standard//kernel.nit:352 */
       if (UNTAG_Bool(REGB2)) {
         /* ./syntax//syntax_base.nit:714 */
         REGB2 = REGB1;
         /* ./syntax//syntax_base.nit:715 */
         fra.me.REG[4] = CALL_parser___parser_nodes___AType___n_types(fra.me.REG[0])(fra.me.REG[0]);
-        fra.me.REG[4] = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[4])(fra.me.REG[4], REGB2);
+        fra.me.REG[4] = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[4])(fra.me.REG[4], REGB2);
         /* ./syntax//syntax_base.nit:716 */
         fra.me.REG[5] = CALL_syntax___syntax_base___AType___get_stype(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
         /* ./syntax//syntax_base.nit:717 */
@@ -4420,14 +4590,14 @@ void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
         fra.me.REG[6] = fra.me.REG[7];
         /* ./syntax//syntax_base.nit:721 */
         CALL_syntax___syntax_base___AbsSyntaxVisitor___check_conform(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4], fra.me.REG[5], fra.me.REG[6]);
-        /* ./../lib/standard//kernel.nit:337 */
+        /* ./../lib/standard//kernel.nit:354 */
         REGB2 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ./../lib/standard//kernel.nit:235 */
         REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-        /* ./../lib/standard//kernel.nit:337 */
+        /* ./../lib/standard//kernel.nit:354 */
         REGB1 = REGB2;
       } else {
-        /* ./../lib/standard//kernel.nit:335 */
+        /* ./../lib/standard//kernel.nit:352 */
         goto label2;
       }
     }
@@ -4446,6 +4616,7 @@ val_t syntax___syntax_base___AExpr___is_typed(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AExpr___is_typed;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:728 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 728);
   stack_frame_head = fra.me.prev;
@@ -4460,6 +4631,7 @@ val_t syntax___syntax_base___AExpr___is_statement(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AExpr___is_statement;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:733 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 733);
   stack_frame_head = fra.me.prev;
@@ -4474,6 +4646,7 @@ val_t syntax___syntax_base___AExpr___stype(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AExpr___stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:737 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 737);
   stack_frame_head = fra.me.prev;
@@ -4488,6 +4661,7 @@ val_t syntax___syntax_base___AAbsAbsSendExpr___prop_signature(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsAbsSendExpr___prop_signature;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:744 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 744);
   stack_frame_head = fra.me.prev;
@@ -4502,6 +4676,7 @@ val_t syntax___syntax_base___AAbsAbsSendExpr___raw_arguments(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsAbsSendExpr___raw_arguments;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:747 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 747);
   stack_frame_head = fra.me.prev;
@@ -4516,6 +4691,7 @@ val_t syntax___syntax_base___AAbsSendExpr___prop(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsSendExpr___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:753 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 753);
   stack_frame_head = fra.me.prev;
@@ -4530,6 +4706,7 @@ val_t syntax___syntax_base___AAbsSendExpr___return_type(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsSendExpr___return_type;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:756 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 756);
   stack_frame_head = fra.me.prev;
@@ -4544,6 +4721,7 @@ val_t syntax___syntax_base___ASuperExpr___init_in_superclass(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ASuperExpr___init_in_superclass;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:766 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 766);
   stack_frame_head = fra.me.prev;
@@ -4558,6 +4736,7 @@ val_t syntax___syntax_base___ASendExpr___closure_defs(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ASendExpr___closure_defs;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:775 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 775);
   stack_frame_head = fra.me.prev;
@@ -4572,6 +4751,7 @@ val_t syntax___syntax_base___AReassignFormExpr___assign_method(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AReassignFormExpr___assign_method;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:780 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 780);
   stack_frame_head = fra.me.prev;
@@ -4586,6 +4766,7 @@ val_t syntax___syntax_base___ASendReassignExpr___read_prop(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ASendReassignExpr___read_prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:787 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 787);
   stack_frame_head = fra.me.prev;
@@ -4600,6 +4781,7 @@ val_t syntax___syntax_base___AAttrFormExpr___prop(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrFormExpr___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:801 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 801);
   stack_frame_head = fra.me.prev;
@@ -4614,6 +4796,7 @@ val_t syntax___syntax_base___AAttrFormExpr___attr_type(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrFormExpr___attr_type;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:804 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 804);
   stack_frame_head = fra.me.prev;
@@ -4628,6 +4811,7 @@ val_t syntax___syntax_base___ASuperstringExpr___atype(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ASuperstringExpr___atype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:809 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 809);
   stack_frame_head = fra.me.prev;
@@ -4642,6 +4826,7 @@ val_t syntax___syntax_base___AVardeclExpr___variable(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AVardeclExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:813 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 813);
   stack_frame_head = fra.me.prev;
@@ -4656,6 +4841,7 @@ val_t syntax___syntax_base___AForExpr___variables(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AForExpr___variables;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:819 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 819);
   stack_frame_head = fra.me.prev;
@@ -4670,6 +4856,7 @@ val_t syntax___syntax_base___ASelfExpr___variable(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___ASelfExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:824 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 824);
   stack_frame_head = fra.me.prev;
@@ -4684,6 +4871,7 @@ val_t syntax___syntax_base___AVarFormExpr___variable(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AVarFormExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:829 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 829);
   stack_frame_head = fra.me.prev;
@@ -4698,6 +4886,7 @@ val_t syntax___syntax_base___AClosureCallExpr___variable(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureCallExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:835 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 835);
   stack_frame_head = fra.me.prev;
@@ -4712,6 +4901,7 @@ val_t syntax___syntax_base___AClosureDef___closure(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDef___closure;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:840 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 840);
   stack_frame_head = fra.me.prev;
@@ -4726,6 +4916,7 @@ val_t syntax___syntax_base___AClosureDef___variables(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDef___variables;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./syntax//syntax_base.nit:843 */
@@ -4742,6 +4933,7 @@ void syntax___syntax_base___AClosureDef___variables__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDef___variables__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
@@ -4760,6 +4952,7 @@ val_t syntax___syntax_base___AMethid___name(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___AMethid___name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
   /* ./syntax//syntax_base.nit:848 */
   nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 848);
   stack_frame_head = fra.me.prev;