c_src : Regenerated c_src to prevent use of String contructors

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

diff --git a/c_src/syntax___scope._sep.c b/c_src/syntax___scope._sep.c
index 971214b..bf4fc9b 100644 (file)
--- a/c_src/syntax___scope._sep.c
+++ b/c_src/syntax___scope._sep.c
@@ -1,5 +1,6 @@
 /* This C file is generated by NIT to compile module syntax___scope. */
 #include "syntax___scope._sep.h"
+static const char LOCATE_syntax___scope___ScopeContext_____bra[] = "scope::ScopeContext::[]";
 val_t syntax___scope___ScopeContext_____bra(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -9,34 +10,35 @@ val_t syntax___scope___ScopeContext_____bra(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 45;
+  fra.me.line = 40;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext_____bra;
   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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:48 */
+  /* syntax/scope.nit:43 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 48);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 43);
   }
   fra.me.REG[2] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
-  /* ./../lib/standard//collection//array.nit:24 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-  /* ./syntax//scope.nit:48 */
+  /* syntax/scope.nit:43 */
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:237 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-  /* ./syntax//scope.nit:49 */
+  /* syntax/scope.nit:44 */
   while(1) {
     REGB0 = TAG_Int(0);
     REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
@@ -44,34 +46,34 @@ val_t syntax___scope___ScopeContext_____bra(val_t p0, val_t p1){
     } else {
       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
     }
-    /* ./../lib/standard//kernel.nit:233 */
+    /* ../lib/standard/kernel.nit:243 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
-    /* ./syntax//scope.nit:49 */
+    /* syntax/scope.nit:44 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//scope.nit:50 */
+      /* syntax/scope.nit:45 */
       REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
       } else {
-        nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 50);
+        nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 45);
       }
       fra.me.REG[2] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
-      /* ./../lib/standard//collection//array.nit:278 */
+      /* ../lib/standard/collection/array.nit:279 */
       REGB0 = REGB1;
-      /* ./../lib/standard//collection//array.nit:280 */
+      /* ../lib/standard/collection/array.nit:281 */
       REGB2 = TAG_Int(0);
       REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
       if (UNTAG_Bool(REGB3)) {
       } else {
         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
       }
-      /* ./../lib/standard//kernel.nit:233 */
+      /* ../lib/standard/kernel.nit:243 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:280 */
+      /* ../lib/standard/collection/array.nit:281 */
       if (UNTAG_Bool(REGB2)) {
         REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
         if (UNTAG_Bool(REGB2)) {
         } else {
-          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 280);
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
         }
         REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
         REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
@@ -79,37 +81,37 @@ val_t syntax___scope___ScopeContext_____bra(val_t p0, val_t p1){
         } else {
           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
         }
-        /* ./../lib/standard//kernel.nit:232 */
+        /* ../lib/standard/kernel.nit:242 */
         REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
       } else {
-        /* ./../lib/standard//collection//array.nit:280 */
-        REGB3 = TAG_Bool(false);
+        /* ../lib/standard/collection/array.nit:281 */
+        REGB3 = TAG_Bool(0);
         REGB2 = REGB3;
       }
       if (UNTAG_Bool(REGB2)) {
       } else {
-        nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 280);
+        nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
       }
-      /* ./../lib/standard//collection//array.nit:281 */
+      /* ../lib/standard/collection/array.nit:282 */
       fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
       REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 281);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
       }
-      /* ./../lib/standard//collection//array.nit:718 */
+      /* ../lib/standard/collection/array.nit:725 */
       fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB0)];
-      /* ./../lib/standard//collection//array.nit:281 */
+      /* ../lib/standard/collection/array.nit:282 */
       goto label1;
       label1: while(0);
-      /* ./syntax//scope.nit:51 */
+      /* syntax/scope.nit:46 */
       fra.me.REG[2] = CALL_syntax___scope___ScopeBlock___get_variable(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-      /* ./syntax//scope.nit:52 */
+      /* syntax/scope.nit:47 */
       REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
       } else {
         REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
         if (UNTAG_Bool(REGB2)) {
-          REGB2 = TAG_Bool(false);
+          REGB2 = TAG_Bool(0);
           REGB0 = REGB2;
         } else {
           REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -120,25 +122,26 @@ val_t syntax___scope___ScopeContext_____bra(val_t p0, val_t p1){
       if (UNTAG_Bool(REGB0)) {
         goto label2;
       }
-      /* ./syntax//scope.nit:53 */
+      /* syntax/scope.nit:48 */
       REGB0 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:237 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB0 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
-      /* ./syntax//scope.nit:53 */
+      /* syntax/scope.nit:48 */
       REGB1 = REGB0;
     } else {
-      /* ./syntax//scope.nit:49 */
+      /* syntax/scope.nit:44 */
       goto label3;
     }
   }
   label3: while(0);
-  /* ./syntax//scope.nit:55 */
+  /* syntax/scope.nit:50 */
   fra.me.REG[2] = NIT_NULL;
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_syntax___scope___ScopeContext___add_variable[] = "scope::ScopeContext::add_variable";
 void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
   val_t REGB0;
@@ -149,10 +152,11 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
     static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 58;
+  fra.me.line = 53;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___add_variable;
   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;
@@ -162,16 +166,16 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
   fra.me.REG[6] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:62 */
+  /* syntax/scope.nit:57 */
   fra.me.REG[2] = CALL_syntax___syntax_base___Variable___name(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[2] = CALL_syntax___scope___ScopeContext_____bra(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
-  /* ./syntax//scope.nit:63 */
+  /* syntax/scope.nit:58 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -180,11 +184,11 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//scope.nit:64 */
+    /* syntax/scope.nit:59 */
     REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____visitor(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_visitor", LOCATE_syntax___scope, 64);
+      nit_abort("Uninitialized attribute %s", "_visitor", LOCATE_syntax___scope, 59);
     }
     fra.me.REG[3] = ATTR_syntax___scope___ScopeContext____visitor(fra.me.REG[0]);
     fra.me.REG[4] = CALL_syntax___syntax_base___Variable___decl(fra.me.REG[1])(fra.me.REG[1]);
@@ -193,7 +197,7 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
     if (!once_value_1) {
       fra.me.REG[6] = BOX_NativeString("Error: '");
       REGB0 = TAG_Int(8);
-      fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB0);
+      fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB0);
       once_value_1 = fra.me.REG[6];
       register_static_object(&once_value_1);
     } else fra.me.REG[6] = once_value_1;
@@ -204,7 +208,7 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
     if (!once_value_2) {
       fra.me.REG[6] = BOX_NativeString("' already defined at ");
       REGB0 = TAG_Int(21);
-      fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB0);
+      fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB0);
       once_value_2 = fra.me.REG[6];
       register_static_object(&once_value_2);
     } else fra.me.REG[6] = once_value_2;
@@ -212,18 +216,18 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 64);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 59);
     }
     fra.me.REG[2] = CALL_syntax___syntax_base___Variable___decl(fra.me.REG[2])(fra.me.REG[2]);
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 64);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 59);
     }
     fra.me.REG[2] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[2])(fra.me.REG[2]);
     fra.me.REG[6] = CALL_syntax___syntax_base___Variable___decl(fra.me.REG[1])(fra.me.REG[1]);
     REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 64);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 59);
     }
     fra.me.REG[6] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[6])(fra.me.REG[6]);
     fra.me.REG[6] = CALL_location___Location___relative_to(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
@@ -231,7 +235,7 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
     if (!once_value_3) {
       fra.me.REG[6] = BOX_NativeString(".");
       REGB0 = TAG_Int(1);
-      fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB0);
+      fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB0);
       once_value_3 = fra.me.REG[6];
       register_static_object(&once_value_3);
     } else fra.me.REG[6] = once_value_3;
@@ -240,72 +244,77 @@ void syntax___scope___ScopeContext___add_variable(val_t p0, val_t p1){
     fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
     CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4], fra.me.REG[5]);
   }
-  /* ./syntax//scope.nit:66 */
+  /* syntax/scope.nit:61 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 66);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 61);
   }
   fra.me.REG[5] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
   fra.me.REG[5] = CALL_standard___collection___abstract_collection___SequenceRead___last(fra.me.REG[5])(fra.me.REG[5]);
   REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 66);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 61);
   }
   CALL_syntax___scope___ScopeBlock___add_variable(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1]);
-  /* ./syntax//scope.nit:67 */
+  /* syntax/scope.nit:62 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____variables(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_variables", LOCATE_syntax___scope, 67);
+    nit_abort("Uninitialized attribute %s", "_variables", LOCATE_syntax___scope, 62);
   }
   fra.me.REG[0] = ATTR_syntax___scope___ScopeContext____variables(fra.me.REG[0]);
   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___scope___ScopeContext___push[] = "scope::ScopeContext::push";
 void syntax___scope___ScopeContext___push(val_t p0, val_t p1){
   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;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 70;
+  fra.me.line = 65;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___push;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:73 */
+  /* syntax/scope.nit:68 */
   fra.me.REG[1] = NEW_ScopeBlock_syntax___scope___ScopeBlock___init(fra.me.REG[1]);
-  /* ./syntax//scope.nit:74 */
+  /* syntax/scope.nit:69 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 74);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 69);
   }
   fra.me.REG[0] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
   CALL_standard___collection___abstract_collection___Sequence___push(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___scope___ScopeContext___push_escapable[] = "scope::ScopeContext::push_escapable";
 void syntax___scope___ScopeContext___push_escapable(val_t p0, val_t p1, val_t p2){
-  struct {struct stack_frame_t me; val_t MORE_REG[9];} fra;
+  struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
+  val_t REGB3;
   val_t tmp;
-          static val_t once_value_1; /* Once value */
           static val_t once_value_2; /* Once value */
           static val_t once_value_3; /* Once value */
+          static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 77;
+  fra.me.line = 72;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___push_escapable;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 10;
+  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;
@@ -314,26 +323,24 @@ void syntax___scope___ScopeContext___push_escapable(val_t p0, val_t p1, val_t p2
   fra.me.REG[5] = NIT_NULL;
   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;
-  /* ./syntax//scope.nit:81 */
+  /* syntax/scope.nit:76 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 81);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 76);
   }
   fra.me.REG[3] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
   CALL_standard___collection___abstract_collection___Sequence___push(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-  /* ./syntax//scope.nit:82 */
+  /* syntax/scope.nit:77 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -342,157 +349,194 @@ void syntax___scope___ScopeContext___push_escapable(val_t p0, val_t p1, val_t p2
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//scope.nit:83 */
+    /* syntax/scope.nit:78 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 83);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 78);
     }
     fra.me.REG[3] = CALL_parser___parser_nodes___ALabel___n_id(fra.me.REG[2])(fra.me.REG[2]);
     fra.me.REG[3] = CALL_syntax___syntax_base___Token___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
-    /* ./syntax//scope.nit:84 */
-    REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____labels(fra.me.REG[0])!=NIT_NULL);
+    /* syntax/scope.nit:79 */
+    REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_labels", LOCATE_syntax___scope, 84);
+      nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 79);
     }
-    fra.me.REG[4] = ATTR_syntax___scope___ScopeContext____labels(fra.me.REG[0]);
-    /* ./../lib/standard//collection//array.nit:269 */
-    REGB0 = TAG_Int(0);
-    /* ./../lib/standard//collection//array.nit:270 */
-    REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
-    if (UNTAG_Bool(REGB1)) {
+    fra.me.REG[4] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
+    /* ../lib/standard/collection/array.nit:24 */
+    REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 270);
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
     }
-    REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4]);
-    /* ./../lib/standard//collection//array.nit:271 */
-    fra.me.REG[5] = ATTR_standard___collection___array___Array____items(fra.me.REG[4]);
-    /* ./../lib/standard//collection//array.nit:272 */
+    REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4]);
+    /* syntax/scope.nit:79 */
+    REGB1 = TAG_Int(1);
+    /* ../lib/standard/kernel.nit:247 */
+    REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
+    /* syntax/scope.nit:80 */
     while(1) {
-      /* ./../lib/standard//collection//array.nit:24 */
-      REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
-      if (UNTAG_Bool(REGB1)) {
-      } else {
-        nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
-      }
-      REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4]);
-      REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+      REGB0 = TAG_Int(0);
+      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 */
-      REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-      /* ./../lib/standard//collection//array.nit:272 */
-      if (UNTAG_Bool(REGB1)) {
-        /* ./../lib/standard//collection//array.nit:273 */
-        REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
-        if (UNTAG_Bool(REGB1)) {
-          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 273);
+      /* ../lib/standard/kernel.nit:243 */
+      REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
+      /* syntax/scope.nit:80 */
+      if (UNTAG_Bool(REGB0)) {
+        /* syntax/scope.nit:81 */
+        REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 81);
         }
-        /* ./../lib/standard//collection//array.nit:718 */
-        fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB0)];
-        /* ./syntax//scope.nit:85 */
-        REGB1 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[6],fra.me.REG[2]));
-        if (UNTAG_Bool(REGB1)) {
+        fra.me.REG[4] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
+        /* ../lib/standard/collection/array.nit:279 */
+        REGB0 = REGB1;
+        /* ../lib/standard/collection/array.nit:281 */
+        REGB2 = TAG_Int(0);
+        REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB3)) {
         } else {
-          REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB2));
+        /* ../lib/standard/collection/array.nit:281 */
+        if (UNTAG_Bool(REGB2)) {
+          REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
           if (UNTAG_Bool(REGB2)) {
-            REGB2 = TAG_Bool(false);
-            REGB1 = REGB2;
           } else {
-            REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
-            REGB1 = REGB2;
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
+          }
+          REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4]);
+          REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB3)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
           }
+          /* ../lib/standard/kernel.nit:242 */
+          REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
+        } else {
+          /* ../lib/standard/collection/array.nit:281 */
+          REGB3 = TAG_Bool(0);
+          REGB2 = REGB3;
+        }
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
+        }
+        /* ../lib/standard/collection/array.nit:282 */
+        fra.me.REG[4] = ATTR_standard___collection___array___Array____items(fra.me.REG[4]);
+        REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
         }
-        REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
-        if (UNTAG_Bool(REGB1)) {
-          fra.me.REG[7] = CALL_parser___parser_nodes___ALabel___n_id(fra.me.REG[6])(fra.me.REG[6]);
-          fra.me.REG[7] = CALL_syntax___syntax_base___Token___to_symbol(fra.me.REG[7])(fra.me.REG[7]);
-          REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[7]));
-          if (UNTAG_Bool(REGB1)) {
+        /* ../lib/standard/collection/array.nit:725 */
+        fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB0)];
+        /* ../lib/standard/collection/array.nit:282 */
+        goto label1;
+        label1: while(0);
+        /* syntax/scope.nit:82 */
+        REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_syntax___scope___EscapableBlock, ID_syntax___scope___EscapableBlock)) /*cast EscapableBlock*/;
+        if (UNTAG_Bool(REGB0)) {
+          fra.me.REG[5] = CALL_syntax___scope___EscapableBlock___lab(fra.me.REG[4])(fra.me.REG[4]);
+          REGB0 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[3],fra.me.REG[5]));
+          if (UNTAG_Bool(REGB0)) {
           } else {
-            REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
-            REGB1 = REGB2;
+            REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+            if (UNTAG_Bool(REGB2)) {
+              REGB2 = TAG_Bool(0);
+              REGB0 = REGB2;
+            } else {
+              REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+              REGB0 = REGB2;
+            }
           }
         } else {
-          REGB2 = TAG_Bool(false);
-          REGB1 = REGB2;
+          REGB2 = TAG_Bool(0);
+          REGB0 = REGB2;
         }
-        if (UNTAG_Bool(REGB1)) {
-          /* ./syntax//scope.nit:86 */
-          fra.me.REG[7] = CALL_syntax___scope___ScopeContext___visitor(fra.me.REG[0])(fra.me.REG[0]);
-          REGB1 = TAG_Int(5);
-          fra.me.REG[8] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
-          if (!once_value_1) {
-            fra.me.REG[9] = BOX_NativeString("Syntax error: label ");
-            REGB1 = TAG_Int(20);
-            fra.me.REG[9] = NEW_String_standard___string___String___with_native(fra.me.REG[9], REGB1);
-            once_value_1 = fra.me.REG[9];
-            register_static_object(&once_value_1);
-          } else fra.me.REG[9] = once_value_1;
-          fra.me.REG[9] = fra.me.REG[9];
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
-          fra.me.REG[9] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+        if (UNTAG_Bool(REGB0)) {
+          /* syntax/scope.nit:83 */
+          fra.me.REG[5] = CALL_syntax___scope___ScopeContext___visitor(fra.me.REG[0])(fra.me.REG[0]);
+          REGB0 = TAG_Int(5);
+          fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
           if (!once_value_2) {
-            fra.me.REG[9] = BOX_NativeString(" already defined at ");
-            REGB1 = TAG_Int(20);
-            fra.me.REG[9] = NEW_String_standard___string___String___with_native(fra.me.REG[9], REGB1);
-            once_value_2 = fra.me.REG[9];
+            fra.me.REG[7] = BOX_NativeString("Syntax error: label ");
+            REGB0 = TAG_Int(20);
+            fra.me.REG[7] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[7])(fra.me.REG[7], REGB0);
+            once_value_2 = fra.me.REG[7];
             register_static_object(&once_value_2);
-          } else fra.me.REG[9] = once_value_2;
-          fra.me.REG[9] = fra.me.REG[9];
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
-          fra.me.REG[6] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[6])(fra.me.REG[6]);
-          REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
-          if (UNTAG_Bool(REGB1)) {
-            nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 86);
-          }
-          fra.me.REG[9] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[2])(fra.me.REG[2]);
-          fra.me.REG[9] = CALL_location___Location___relative_to(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[9]);
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+          } else fra.me.REG[7] = once_value_2;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[7] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
           if (!once_value_3) {
-            fra.me.REG[9] = BOX_NativeString(".");
-            REGB1 = TAG_Int(1);
-            fra.me.REG[9] = NEW_String_standard___string___String___with_native(fra.me.REG[9], REGB1);
-            once_value_3 = fra.me.REG[9];
+            fra.me.REG[7] = BOX_NativeString(" already defined at ");
+            REGB0 = TAG_Int(20);
+            fra.me.REG[7] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[7])(fra.me.REG[7], REGB0);
+            once_value_3 = fra.me.REG[7];
             register_static_object(&once_value_3);
-          } else fra.me.REG[9] = once_value_3;
-          fra.me.REG[9] = fra.me.REG[9];
-          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
-          fra.me.REG[8] = CALL_standard___string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
-          CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[2], fra.me.REG[8]);
-          /* ./syntax//scope.nit:87 */
-          goto label4;
+          } else fra.me.REG[7] = once_value_3;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[4] = CALL_syntax___scope___EscapableBlock___lab_location(fra.me.REG[4])(fra.me.REG[4]);
+          REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+          if (UNTAG_Bool(REGB0)) {
+            nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 83);
+          }
+          fra.me.REG[7] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[2])(fra.me.REG[2]);
+          REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+          if (UNTAG_Bool(REGB0)) {
+            nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 83);
+          }
+          fra.me.REG[7] = CALL_location___Location___relative_to(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[7]);
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          if (!once_value_4) {
+            fra.me.REG[7] = BOX_NativeString(".");
+            REGB0 = TAG_Int(1);
+            fra.me.REG[7] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[7])(fra.me.REG[7], REGB0);
+            once_value_4 = fra.me.REG[7];
+            register_static_object(&once_value_4);
+          } else fra.me.REG[7] = once_value_4;
+          fra.me.REG[7] = fra.me.REG[7];
+          CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+          fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+          CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2], fra.me.REG[6]);
+          /* syntax/scope.nit:84 */
+          goto label5;
         }
-        /* ./../lib/standard//collection//array.nit:274 */
-        REGB1 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:235 */
-        REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-        /* ./../lib/standard//collection//array.nit:274 */
-        REGB0 = REGB1;
+        /* syntax/scope.nit:86 */
+        REGB0 = TAG_Int(1);
+        /* ../lib/standard/kernel.nit:247 */
+        REGB0 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
+        /* syntax/scope.nit:86 */
+        REGB1 = REGB0;
       } else {
-        /* ./../lib/standard//collection//array.nit:272 */
-        goto label5;
+        /* syntax/scope.nit:80 */
+        goto label6;
       }
     }
-    label5: while(0);
-    /* ./syntax//scope.nit:90 */
-    REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____labels(fra.me.REG[0])!=NIT_NULL);
-    if (UNTAG_Bool(REGB0)) {
-    } else {
-      nit_abort("Uninitialized attribute %s", "_labels", LOCATE_syntax___scope, 90);
-    }
-    fra.me.REG[0] = ATTR_syntax___scope___ScopeContext____labels(fra.me.REG[0]);
-    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
-    /* ./syntax//scope.nit:91 */
+    label6: while(0);
+    /* syntax/scope.nit:88 */
     ATTR_syntax___scope___EscapableBlock____lab(fra.me.REG[1]) = fra.me.REG[3];
+    /* syntax/scope.nit:89 */
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 89);
+    }
+    fra.me.REG[2] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[2])(fra.me.REG[2]);
+    ATTR_syntax___scope___EscapableBlock____lab_location(fra.me.REG[1]) = fra.me.REG[2];
   }
-  label4: while(0);
+  label5: while(0);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___scope___ScopeContext___head[] = "scope::ScopeContext::head";
 val_t syntax___scope___ScopeContext___head(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -502,32 +546,33 @@ val_t syntax___scope___ScopeContext___head(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 95;
+  fra.me.line = 93;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___head;
   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;
-  /* ./syntax//scope.nit:98 */
+  /* syntax/scope.nit:96 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 98);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 96);
   }
   fra.me.REG[1] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
-  /* ./../lib/standard//collection//array.nit:24 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
-  /* ./syntax//scope.nit:98 */
+  /* syntax/scope.nit:96 */
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:237 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-  /* ./syntax//scope.nit:99 */
+  /* syntax/scope.nit:97 */
   while(1) {
     REGB0 = TAG_Int(0);
     REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
@@ -535,34 +580,34 @@ val_t syntax___scope___ScopeContext___head(val_t p0){
     } else {
       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
     }
-    /* ./../lib/standard//kernel.nit:233 */
+    /* ../lib/standard/kernel.nit:243 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
-    /* ./syntax//scope.nit:99 */
+    /* syntax/scope.nit:97 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//scope.nit:100 */
+      /* syntax/scope.nit:98 */
       REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
       } else {
-        nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 100);
+        nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 98);
       }
       fra.me.REG[1] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
-      /* ./../lib/standard//collection//array.nit:278 */
+      /* ../lib/standard/collection/array.nit:279 */
       REGB0 = REGB1;
-      /* ./../lib/standard//collection//array.nit:280 */
+      /* ../lib/standard/collection/array.nit:281 */
       REGB2 = TAG_Int(0);
       REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
       if (UNTAG_Bool(REGB3)) {
       } else {
         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
       }
-      /* ./../lib/standard//kernel.nit:233 */
+      /* ../lib/standard/kernel.nit:243 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:280 */
+      /* ../lib/standard/collection/array.nit:281 */
       if (UNTAG_Bool(REGB2)) {
         REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
         if (UNTAG_Bool(REGB2)) {
         } else {
-          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 280);
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
         }
         REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
         REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
@@ -570,59 +615,60 @@ val_t syntax___scope___ScopeContext___head(val_t p0){
         } else {
           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
         }
-        /* ./../lib/standard//kernel.nit:232 */
+        /* ../lib/standard/kernel.nit:242 */
         REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
       } else {
-        /* ./../lib/standard//collection//array.nit:280 */
-        REGB3 = TAG_Bool(false);
+        /* ../lib/standard/collection/array.nit:281 */
+        REGB3 = TAG_Bool(0);
         REGB2 = REGB3;
       }
       if (UNTAG_Bool(REGB2)) {
       } else {
-        nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 280);
+        nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
       }
-      /* ./../lib/standard//collection//array.nit:281 */
+      /* ../lib/standard/collection/array.nit:282 */
       fra.me.REG[1] = ATTR_standard___collection___array___Array____items(fra.me.REG[1]);
       REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 281);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
       }
-      /* ./../lib/standard//collection//array.nit:718 */
+      /* ../lib/standard/collection/array.nit:725 */
       fra.me.REG[1] = ((Nit_NativeArray)fra.me.REG[1])->val[UNTAG_Int(REGB0)];
-      /* ./../lib/standard//collection//array.nit:281 */
+      /* ../lib/standard/collection/array.nit:282 */
       goto label1;
       label1: while(0);
-      /* ./syntax//scope.nit:101 */
+      /* syntax/scope.nit:99 */
       REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_syntax___scope___EscapableBlock, ID_syntax___scope___EscapableBlock)) /*cast EscapableBlock*/;
       if (UNTAG_Bool(REGB0)) {
         REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_syntax___scope___BreakOnlyEscapableBlock, ID_syntax___scope___BreakOnlyEscapableBlock)) /*cast BreakOnlyEscapableBlock*/;
         REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
       } else {
-        REGB2 = TAG_Bool(false);
+        REGB2 = TAG_Bool(0);
         REGB0 = REGB2;
       }
       if (UNTAG_Bool(REGB0)) {
         goto label2;
       }
-      /* ./syntax//scope.nit:102 */
+      /* syntax/scope.nit:100 */
       REGB0 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:237 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB0 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
-      /* ./syntax//scope.nit:102 */
+      /* syntax/scope.nit:100 */
       REGB1 = REGB0;
     } else {
-      /* ./syntax//scope.nit:99 */
+      /* syntax/scope.nit:97 */
       goto label3;
     }
   }
   label3: while(0);
-  /* ./syntax//scope.nit:104 */
+  /* syntax/scope.nit:102 */
   fra.me.REG[1] = NIT_NULL;
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___scope___ScopeContext___get_by_label[] = "scope::ScopeContext::get_by_label";
 val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -634,10 +680,11 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
   static val_t once_value_5; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 107;
+  fra.me.line = 105;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___get_by_label;
   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;
@@ -646,28 +693,28 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
   fra.me.REG[5] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:111 */
+  /* syntax/scope.nit:109 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 111);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 109);
   }
   fra.me.REG[2] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
-  /* ./../lib/standard//collection//array.nit:24 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-  /* ./syntax//scope.nit:111 */
+  /* syntax/scope.nit:109 */
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:237 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-  /* ./syntax//scope.nit:112 */
+  /* syntax/scope.nit:110 */
   fra.me.REG[2] = CALL_parser___parser_nodes___ALabel___n_id(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[2] = CALL_syntax___syntax_base___Token___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./syntax//scope.nit:113 */
+  /* syntax/scope.nit:111 */
   while(1) {
     REGB0 = TAG_Int(0);
     REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
@@ -675,34 +722,34 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
     } else {
       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
     }
-    /* ./../lib/standard//kernel.nit:233 */
+    /* ../lib/standard/kernel.nit:243 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
-    /* ./syntax//scope.nit:113 */
+    /* syntax/scope.nit:111 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//scope.nit:114 */
+      /* syntax/scope.nit:112 */
       REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
       } else {
-        nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 114);
+        nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 112);
       }
       fra.me.REG[3] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
-      /* ./../lib/standard//collection//array.nit:278 */
+      /* ../lib/standard/collection/array.nit:279 */
       REGB0 = REGB1;
-      /* ./../lib/standard//collection//array.nit:280 */
+      /* ../lib/standard/collection/array.nit:281 */
       REGB2 = TAG_Int(0);
       REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
       if (UNTAG_Bool(REGB3)) {
       } else {
         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
       }
-      /* ./../lib/standard//kernel.nit:233 */
+      /* ../lib/standard/kernel.nit:243 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:280 */
+      /* ../lib/standard/collection/array.nit:281 */
       if (UNTAG_Bool(REGB2)) {
         REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
         if (UNTAG_Bool(REGB2)) {
         } else {
-          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 280);
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
         }
         REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3]);
         REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
@@ -710,29 +757,29 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
         } else {
           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
         }
-        /* ./../lib/standard//kernel.nit:232 */
+        /* ../lib/standard/kernel.nit:242 */
         REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
       } else {
-        /* ./../lib/standard//collection//array.nit:280 */
-        REGB3 = TAG_Bool(false);
+        /* ../lib/standard/collection/array.nit:281 */
+        REGB3 = TAG_Bool(0);
         REGB2 = REGB3;
       }
       if (UNTAG_Bool(REGB2)) {
       } else {
-        nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 280);
+        nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
       }
-      /* ./../lib/standard//collection//array.nit:281 */
+      /* ../lib/standard/collection/array.nit:282 */
       fra.me.REG[3] = ATTR_standard___collection___array___Array____items(fra.me.REG[3]);
       REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 281);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
       }
-      /* ./../lib/standard//collection//array.nit:718 */
+      /* ../lib/standard/collection/array.nit:725 */
       fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB0)];
-      /* ./../lib/standard//collection//array.nit:281 */
+      /* ../lib/standard/collection/array.nit:282 */
       goto label1;
       label1: while(0);
-      /* ./syntax//scope.nit:115 */
+      /* syntax/scope.nit:113 */
       REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_syntax___scope___EscapableBlock, ID_syntax___scope___EscapableBlock)) /*cast EscapableBlock*/;
       if (UNTAG_Bool(REGB0)) {
         fra.me.REG[4] = CALL_syntax___scope___EscapableBlock___lab(fra.me.REG[3])(fra.me.REG[3]);
@@ -741,7 +788,7 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
         } else {
           REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
           if (UNTAG_Bool(REGB2)) {
-            REGB2 = TAG_Bool(false);
+            REGB2 = TAG_Bool(0);
             REGB0 = REGB2;
           } else {
             REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
@@ -749,32 +796,32 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
           }
         }
       } else {
-        REGB2 = TAG_Bool(false);
+        REGB2 = TAG_Bool(0);
         REGB0 = REGB2;
       }
       if (UNTAG_Bool(REGB0)) {
         goto label2;
       }
-      /* ./syntax//scope.nit:116 */
+      /* syntax/scope.nit:114 */
       REGB0 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:237 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB0 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
-      /* ./syntax//scope.nit:116 */
+      /* syntax/scope.nit:114 */
       REGB1 = REGB0;
     } else {
-      /* ./syntax//scope.nit:113 */
+      /* syntax/scope.nit:111 */
       goto label3;
     }
   }
   label3: while(0);
-  /* ./syntax//scope.nit:118 */
+  /* syntax/scope.nit:116 */
   fra.me.REG[0] = CALL_syntax___scope___ScopeContext___visitor(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Int(3);
   fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_4) {
     fra.me.REG[5] = BOX_NativeString("Syntax error: invalid label ");
     REGB1 = TAG_Int(28);
-    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB1);
     once_value_4 = fra.me.REG[5];
     register_static_object(&once_value_4);
   } else fra.me.REG[5] = once_value_4;
@@ -785,7 +832,7 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
   if (!once_value_5) {
     fra.me.REG[2] = BOX_NativeString(".");
     REGB1 = TAG_Int(1);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB1);
+    fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB1);
     once_value_5 = fra.me.REG[2];
     register_static_object(&once_value_5);
   } else fra.me.REG[2] = once_value_5;
@@ -793,58 +840,63 @@ val_t syntax___scope___ScopeContext___get_by_label(val_t p0, val_t p1){
   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
   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[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
-  /* ./syntax//scope.nit:119 */
+  /* syntax/scope.nit:117 */
   fra.me.REG[3] = NIT_NULL;
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[3];
 }
+static const char LOCATE_syntax___scope___ScopeContext___pop[] = "scope::ScopeContext::pop";
 void syntax___scope___ScopeContext___pop(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_syntax___scope;
-  fra.me.line = 122;
+  fra.me.line = 120;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___pop;
   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//scope.nit:125 */
+  /* syntax/scope.nit:123 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 125);
+    nit_abort("Uninitialized attribute %s", "_stack", LOCATE_syntax___scope, 123);
   }
   fra.me.REG[0] = ATTR_syntax___scope___ScopeContext____stack(fra.me.REG[0]);
   fra.me.REG[0] = CALL_standard___collection___abstract_collection___Sequence___pop(fra.me.REG[0])(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___scope___ScopeContext___visitor[] = "scope::ScopeContext::visitor";
 val_t syntax___scope___ScopeContext___visitor(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_syntax___scope;
-  fra.me.line = 128;
+  fra.me.line = 126;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___visitor;
   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//scope.nit:128 */
+  /* syntax/scope.nit:126 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeContext____visitor(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_visitor", LOCATE_syntax___scope, 128);
+    nit_abort("Uninitialized attribute %s", "_visitor", LOCATE_syntax___scope, 126);
   }
   fra.me.REG[0] = ATTR_syntax___scope___ScopeContext____visitor(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___ScopeContext___init[] = "scope::ScopeContext::init";
 void syntax___scope___ScopeContext___init(val_t p0, val_t p1, int* init_table){
   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___scope___ScopeContext].i;
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -852,42 +904,46 @@ void syntax___scope___ScopeContext___init(val_t p0, val_t p1, int* init_table){
   if (init_table[itpos0]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 129;
+  fra.me.line = 127;
   fra.me.meth = LOCATE_syntax___scope___ScopeContext___init;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:131 */
+  /* syntax/scope.nit:129 */
   ATTR_syntax___scope___ScopeContext____visitor(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   init_table[itpos0] = 1;
   return;
 }
+static const char LOCATE_syntax___scope___ScopeBlock___node[] = "scope::ScopeBlock::node";
 val_t syntax___scope___ScopeBlock___node(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_syntax___scope;
-  fra.me.line = 140;
+  fra.me.line = 138;
   fra.me.meth = LOCATE_syntax___scope___ScopeBlock___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//scope.nit:140 */
+  /* syntax/scope.nit:138 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___ScopeBlock____node(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_node", LOCATE_syntax___scope, 140);
+    nit_abort("Uninitialized attribute %s", "_node", LOCATE_syntax___scope, 138);
   }
   fra.me.REG[0] = ATTR_syntax___scope___ScopeBlock____node(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___ScopeBlock___add_variable[] = "scope::ScopeBlock::add_variable";
 void syntax___scope___ScopeBlock___add_variable(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -895,25 +951,26 @@ void syntax___scope___ScopeBlock___add_variable(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 147;
+  fra.me.line = 145;
   fra.me.meth = LOCATE_syntax___scope___ScopeBlock___add_variable;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:149 */
+  /* syntax/scope.nit:147 */
   fra.me.REG[2] = ATTR_syntax___scope___ScopeBlock____dico(fra.me.REG[0]);
-  /* ./syntax//scope.nit:150 */
+  /* syntax/scope.nit:148 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -921,22 +978,23 @@ void syntax___scope___ScopeBlock___add_variable(val_t p0, val_t p1){
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//scope.nit:151 */
+    /* syntax/scope.nit:149 */
     fra.me.REG[3] = NEW_HashMap_standard___collection___hash_collection___HashMap___init();
     fra.me.REG[2] = fra.me.REG[3];
-    /* ./syntax//scope.nit:152 */
+    /* syntax/scope.nit:150 */
     ATTR_syntax___scope___ScopeBlock____dico(fra.me.REG[0]) = fra.me.REG[2];
   }
-  /* ./syntax//scope.nit:154 */
+  /* syntax/scope.nit:152 */
   fra.me.REG[0] = CALL_syntax___syntax_base___Variable___name(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 154);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 152);
   }
   CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[1]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___scope___ScopeBlock___get_variable[] = "scope::ScopeBlock::get_variable";
 val_t syntax___scope___ScopeBlock___get_variable(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -944,24 +1002,25 @@ val_t syntax___scope___ScopeBlock___get_variable(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 157;
+  fra.me.line = 155;
   fra.me.meth = LOCATE_syntax___scope___ScopeBlock___get_variable;
   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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:159 */
+  /* syntax/scope.nit:157 */
   fra.me.REG[0] = ATTR_syntax___scope___ScopeBlock____dico(fra.me.REG[0]);
-  /* ./syntax//scope.nit:160 */
+  /* syntax/scope.nit:158 */
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
@@ -972,10 +1031,10 @@ val_t syntax___scope___ScopeBlock___get_variable(val_t p0, val_t p1){
     fra.me.REG[2] = NIT_NULL;
     goto label1;
   }
-  /* ./syntax//scope.nit:161 */
+  /* syntax/scope.nit:159 */
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 161);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 159);
   }
   REGB0 = CALL_standard___collection___abstract_collection___MapRead___has_key(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -983,10 +1042,10 @@ val_t syntax___scope___ScopeBlock___get_variable(val_t p0, val_t p1){
     fra.me.REG[2] = NIT_NULL;
     goto label1;
   }
-  /* ./syntax//scope.nit:162 */
+  /* syntax/scope.nit:160 */
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 162);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___scope, 160);
   }
   fra.me.REG[1] = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   fra.me.REG[2] = fra.me.REG[1];
@@ -995,6 +1054,7 @@ val_t syntax___scope___ScopeBlock___get_variable(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_syntax___scope___ScopeBlock___init[] = "scope::ScopeBlock::init";
 void syntax___scope___ScopeBlock___init(val_t p0, val_t p1, int* init_table){
   int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___scope___ScopeBlock].i;
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -1002,113 +1062,143 @@ void syntax___scope___ScopeBlock___init(val_t p0, val_t p1, int* init_table){
   if (init_table[itpos1]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 165;
+  fra.me.line = 163;
   fra.me.meth = LOCATE_syntax___scope___ScopeBlock___init;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:167 */
+  /* syntax/scope.nit:165 */
   ATTR_syntax___scope___ScopeBlock____node(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   init_table[itpos1] = 1;
   return;
 }
+static const char LOCATE_syntax___scope___EscapableBlock___lab[] = "scope::EscapableBlock::lab";
 val_t syntax___scope___EscapableBlock___lab(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_syntax___scope;
-  fra.me.line = 178;
+  fra.me.line = 176;
   fra.me.meth = LOCATE_syntax___scope___EscapableBlock___lab;
   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//scope.nit:178 */
+  /* syntax/scope.nit:176 */
   fra.me.REG[0] = ATTR_syntax___scope___EscapableBlock____lab(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableBlock___lab_location[] = "scope::EscapableBlock::lab_location";
+val_t syntax___scope___EscapableBlock___lab_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_syntax___scope;
+  fra.me.line = 180;
+  fra.me.meth = LOCATE_syntax___scope___EscapableBlock___lab_location;
+  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/scope.nit:180 */
+  fra.me.REG[0] = ATTR_syntax___scope___EscapableBlock____lab_location(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_syntax___scope___EscapableBlock___is_break_block[] = "scope::EscapableBlock::is_break_block";
 val_t syntax___scope___EscapableBlock___is_break_block(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_syntax___scope;
-  fra.me.line = 182;
+  fra.me.line = 183;
   fra.me.meth = LOCATE_syntax___scope___EscapableBlock___is_break_block;
   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//scope.nit:183 */
-  REGB0 = TAG_Bool(false);
+  /* syntax/scope.nit:184 */
+  REGB0 = TAG_Bool(0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___scope___EscapableBlock___break_list[] = "scope::EscapableBlock::break_list";
 val_t syntax___scope___EscapableBlock___break_list(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_syntax___scope;
-  fra.me.line = 185;
+  fra.me.line = 186;
   fra.me.meth = LOCATE_syntax___scope___EscapableBlock___break_list;
   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//scope.nit:188 */
+  /* syntax/scope.nit:189 */
   fra.me.REG[0] = NIT_NULL;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableBlock___continue_stype[] = "scope::EscapableBlock::continue_stype";
 val_t syntax___scope___EscapableBlock___continue_stype(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_syntax___scope;
-  fra.me.line = 190;
+  fra.me.line = 191;
   fra.me.meth = LOCATE_syntax___scope___EscapableBlock___continue_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//scope.nit:191 */
+  /* syntax/scope.nit:192 */
   fra.me.REG[0] = NIT_NULL;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableBlock___break_flow_contexts[] = "scope::EscapableBlock::break_flow_contexts";
 val_t syntax___scope___EscapableBlock___break_flow_contexts(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_syntax___scope;
-  fra.me.line = 193;
+  fra.me.line = 194;
   fra.me.meth = LOCATE_syntax___scope___EscapableBlock___break_flow_contexts;
   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//scope.nit:193 */
+  /* syntax/scope.nit:194 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___EscapableBlock____break_flow_contexts(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_break_flow_contexts", LOCATE_syntax___scope, 193);
+    nit_abort("Uninitialized attribute %s", "_break_flow_contexts", LOCATE_syntax___scope, 194);
   }
   fra.me.REG[0] = ATTR_syntax___scope___EscapableBlock____break_flow_contexts(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableBlock___init[] = "scope::EscapableBlock::init";
 void syntax___scope___EscapableBlock___init(val_t p0, val_t p1, int* init_table){
   int itpos2 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___scope___EscapableBlock].i;
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -1116,39 +1206,43 @@ void syntax___scope___EscapableBlock___init(val_t p0, val_t p1, int* init_table)
   if (init_table[itpos2]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 196;
+  fra.me.line = 197;
   fra.me.meth = LOCATE_syntax___scope___EscapableBlock___init;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:198 */
+  /* syntax/scope.nit:199 */
   CALL_syntax___scope___ScopeBlock___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos2] = 1;
   return;
 }
+static const char LOCATE_syntax___scope___BreakOnlyEscapableBlock___is_break_block[] = "scope::BreakOnlyEscapableBlock::(scope::EscapableBlock::is_break_block)";
 val_t syntax___scope___BreakOnlyEscapableBlock___is_break_block(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_syntax___scope;
-  fra.me.line = 205;
+  fra.me.line = 206;
   fra.me.meth = LOCATE_syntax___scope___BreakOnlyEscapableBlock___is_break_block;
   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//scope.nit:205 */
-  REGB0 = TAG_Bool(true);
+  /* syntax/scope.nit:206 */
+  REGB0 = TAG_Bool(1);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___scope___BreakOnlyEscapableBlock___init[] = "scope::BreakOnlyEscapableBlock::init";
 void syntax___scope___BreakOnlyEscapableBlock___init(val_t p0, val_t p1, int* init_table){
   int itpos3 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___scope___BreakOnlyEscapableBlock].i;
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -1156,59 +1250,64 @@ void syntax___scope___BreakOnlyEscapableBlock___init(val_t p0, val_t p1, int* in
   if (init_table[itpos3]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 207;
+  fra.me.line = 208;
   fra.me.meth = LOCATE_syntax___scope___BreakOnlyEscapableBlock___init;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:207 */
+  /* syntax/scope.nit:208 */
   CALL_syntax___scope___EscapableBlock___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos3] = 1;
   return;
 }
+static const char LOCATE_syntax___scope___EscapableClosure___closure[] = "scope::EscapableClosure::closure";
 val_t syntax___scope___EscapableClosure___closure(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_syntax___scope;
-  fra.me.line = 213;
+  fra.me.line = 214;
   fra.me.meth = LOCATE_syntax___scope___EscapableClosure___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//scope.nit:213 */
+  /* syntax/scope.nit:214 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___scope, 213);
+    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___scope, 214);
   }
   fra.me.REG[0] = ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableClosure___is_break_block[] = "scope::EscapableClosure::(scope::EscapableBlock::is_break_block)";
 val_t syntax___scope___EscapableClosure___is_break_block(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_syntax___scope;
-  fra.me.line = 216;
+  fra.me.line = 217;
   fra.me.meth = LOCATE_syntax___scope___EscapableClosure___is_break_block;
   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//scope.nit:216 */
+  /* syntax/scope.nit:217 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___scope, 216);
+    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___scope, 217);
   }
   fra.me.REG[0] = ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[0]);
   REGB0 = CALL_metamodel___static_type___MMClosure___is_break(fra.me.REG[0])(fra.me.REG[0]);
@@ -1217,39 +1316,43 @@ val_t syntax___scope___EscapableClosure___is_break_block(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___scope___EscapableClosure___break_list[] = "scope::EscapableClosure::(scope::EscapableBlock::break_list)";
 val_t syntax___scope___EscapableClosure___break_list(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_syntax___scope;
-  fra.me.line = 218;
+  fra.me.line = 219;
   fra.me.meth = LOCATE_syntax___scope___EscapableClosure___break_list;
   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//scope.nit:218 */
+  /* syntax/scope.nit:219 */
   fra.me.REG[0] = ATTR_syntax___scope___EscapableClosure____break_list(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableClosure___continue_stype[] = "scope::EscapableClosure::(scope::EscapableBlock::continue_stype)";
 val_t syntax___scope___EscapableClosure___continue_stype(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_syntax___scope;
-  fra.me.line = 220;
+  fra.me.line = 221;
   fra.me.meth = LOCATE_syntax___scope___EscapableClosure___continue_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//scope.nit:220 */
+  /* syntax/scope.nit:221 */
   REGB0 = TAG_Bool(ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___scope, 220);
+    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___scope, 221);
   }
   fra.me.REG[0] = ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[0]);
   fra.me.REG[0] = CALL_metamodel___static_type___MMClosure___signature(fra.me.REG[0])(fra.me.REG[0]);
@@ -1259,6 +1362,7 @@ val_t syntax___scope___EscapableClosure___continue_stype(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___EscapableClosure___init[] = "scope::EscapableClosure::init";
 void syntax___scope___EscapableClosure___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos4 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___scope___EscapableClosure].i;
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
@@ -1266,10 +1370,11 @@ void syntax___scope___EscapableClosure___init(val_t p0, val_t p1, val_t p2, val_
   if (init_table[itpos4]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 222;
+  fra.me.line = 223;
   fra.me.meth = LOCATE_syntax___scope___EscapableClosure___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;
@@ -1279,48 +1384,53 @@ void syntax___scope___EscapableClosure___init(val_t p0, val_t p1, val_t p2, val_
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//scope.nit:222 */
+  /* syntax/scope.nit:223 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//scope.nit:224 */
+  /* syntax/scope.nit:225 */
   CALL_syntax___scope___EscapableBlock___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], init_table);
-  /* ./syntax//scope.nit:225 */
+  /* syntax/scope.nit:226 */
   ATTR_syntax___scope___EscapableClosure____closure(fra.me.REG[4]) = fra.me.REG[2];
-  /* ./syntax//scope.nit:226 */
+  /* syntax/scope.nit:227 */
   ATTR_syntax___scope___EscapableClosure____break_list(fra.me.REG[4]) = fra.me.REG[3];
   stack_frame_head = fra.me.prev;
   init_table[itpos4] = 1;
   return;
 }
+static const char LOCATE_syntax___scope___AEscapeExpr___escapable[] = "scope::AEscapeExpr::escapable";
 val_t syntax___scope___AEscapeExpr___escapable(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_syntax___scope;
-  fra.me.line = 234;
+  fra.me.line = 235;
   fra.me.meth = LOCATE_syntax___scope___AEscapeExpr___escapable;
   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//scope.nit:234 */
+  /* syntax/scope.nit:235 */
   fra.me.REG[0] = ATTR_syntax___scope___AEscapeExpr____escapable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___AEscapeExpr___kwname[] = "scope::AEscapeExpr::kwname";
 val_t syntax___scope___AEscapeExpr___kwname(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_syntax___scope;
-  fra.me.line = 237;
+  fra.me.line = 238;
   fra.me.meth = LOCATE_syntax___scope___AEscapeExpr___kwname;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//scope.nit:237 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___scope, 237);
+  fra.me.nitni_local_ref_head = NULL;
+  /* syntax/scope.nit:238 */
+  nit_abort("Deferred method called", NULL, LOCATE_syntax___scope, 238);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___scope___AEscapeExpr___compute_escapable_block[] = "scope::AEscapeExpr::compute_escapable_block";
 val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -1330,10 +1440,11 @@ val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1)
       static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 240;
+  fra.me.line = 241;
   fra.me.meth = LOCATE_syntax___scope___AEscapeExpr___compute_escapable_block;
   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;
@@ -1341,15 +1452,15 @@ val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1)
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//scope.nit:244 */
+  /* syntax/scope.nit:245 */
   fra.me.REG[2] = CALL_parser___parser_nodes___ALabelable___n_label(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./syntax//scope.nit:245 */
+  /* syntax/scope.nit:246 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -1358,19 +1469,19 @@ val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1)
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//scope.nit:246 */
+    /* syntax/scope.nit:247 */
     fra.me.REG[2] = CALL_syntax___scope___ScopeContext___get_by_label(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   } else {
-    /* ./syntax//scope.nit:248 */
+    /* syntax/scope.nit:249 */
     fra.me.REG[3] = CALL_syntax___scope___ScopeContext___head(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[2] = fra.me.REG[3];
-    /* ./syntax//scope.nit:249 */
+    /* syntax/scope.nit:250 */
     REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        REGB1 = TAG_Bool(false);
+        REGB1 = TAG_Bool(0);
         REGB0 = REGB1;
       } else {
         REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -1378,14 +1489,14 @@ val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1)
       }
     }
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//scope.nit:250 */
+      /* syntax/scope.nit:251 */
       fra.me.REG[1] = CALL_syntax___scope___ScopeContext___visitor(fra.me.REG[1])(fra.me.REG[1]);
       REGB0 = TAG_Int(3);
       fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
       if (!once_value_1) {
         fra.me.REG[4] = BOX_NativeString("Syntax Error: '");
         REGB0 = TAG_Int(15);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB0);
+        fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB0);
         once_value_1 = fra.me.REG[4];
         register_static_object(&once_value_1);
       } else fra.me.REG[4] = once_value_1;
@@ -1396,7 +1507,7 @@ val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1)
       if (!once_value_2) {
         fra.me.REG[4] = BOX_NativeString("' statment outside block.");
         REGB0 = TAG_Int(25);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB0);
+        fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB0);
         once_value_2 = fra.me.REG[4];
         register_static_object(&once_value_2);
       } else fra.me.REG[4] = once_value_2;
@@ -1406,14 +1517,15 @@ val_t syntax___scope___AEscapeExpr___compute_escapable_block(val_t p0, val_t p1)
       CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
     }
   }
-  /* ./syntax//scope.nit:253 */
+  /* syntax/scope.nit:254 */
   ATTR_syntax___scope___AEscapeExpr____escapable(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./syntax//scope.nit:254 */
+  /* syntax/scope.nit:255 */
   goto label3;
   label3: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_syntax___scope___AContinueExpr___kwname[] = "scope::AContinueExpr::(scope::AEscapeExpr::kwname)";
 val_t syntax___scope___AContinueExpr___kwname(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1421,17 +1533,18 @@ val_t syntax___scope___AContinueExpr___kwname(val_t p0){
   static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 260;
+  fra.me.line = 261;
   fra.me.meth = LOCATE_syntax___scope___AContinueExpr___kwname;
   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//scope.nit:260 */
+  /* syntax/scope.nit:261 */
   if (!once_value_1) {
     fra.me.REG[0] = BOX_NativeString("continue");
     REGB0 = TAG_Int(8);
-    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
     once_value_1 = fra.me.REG[0];
     register_static_object(&once_value_1);
   } else fra.me.REG[0] = once_value_1;
@@ -1441,6 +1554,7 @@ val_t syntax___scope___AContinueExpr___kwname(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___scope___ABreakExpr___kwname[] = "scope::ABreakExpr::(scope::AEscapeExpr::kwname)";
 val_t syntax___scope___ABreakExpr___kwname(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1448,17 +1562,18 @@ val_t syntax___scope___ABreakExpr___kwname(val_t p0){
   static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___scope;
-  fra.me.line = 265;
+  fra.me.line = 266;
   fra.me.meth = LOCATE_syntax___scope___ABreakExpr___kwname;
   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//scope.nit:265 */
+  /* syntax/scope.nit:266 */
   if (!once_value_1) {
     fra.me.REG[0] = BOX_NativeString("break");
     REGB0 = TAG_Int(5);
-    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
     once_value_1 = fra.me.REG[0];
     register_static_object(&once_value_1);
   } else fra.me.REG[0] = once_value_1;