ni_nitdoc: fixed <li> tags style in formatted comments

[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 6531c8d..6fee6de 100644 (file)
--- a/c_src/syntax___syntax_base._sep.c
+++ b/c_src/syntax___syntax_base._sep.c
@@ -1,5 +1,6 @@
 /* This C file is generated by NIT to compile module syntax___syntax_base. */
 #include "syntax___syntax_base._sep.h"
+static const char LOCATE_syntax___syntax_base___MMSrcModule___clear_ast[] = "syntax_base::MMSrcModule::clear_ast";
 void syntax___syntax_base___MMSrcModule___clear_ast(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
@@ -9,13 +10,15 @@ 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 */
+  /* syntax/syntax_base.nit:32 */
   ATTR_syntax___syntax_base___MMSrcModule____nodes(fra.me.REG[0]) = NIT_NULL;
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcModule___node[] = "syntax_base::MMSrcModule::node";
 val_t syntax___syntax_base___MMSrcModule___node(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -26,12 +29,13 @@ val_t syntax___syntax_base___MMSrcModule___node(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcModule___node;
   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//syntax_base.nit:34 */
+  /* syntax/syntax_base.nit:34 */
   fra.me.REG[1] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:35 */
+  /* syntax/syntax_base.nit:35 */
   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)) {
@@ -43,6 +47,7 @@ val_t syntax___syntax_base___MMSrcModule___node(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcModule___src_local_classes[] = "syntax_base::MMSrcModule::src_local_classes";
 val_t syntax___syntax_base___MMSrcModule___src_local_classes(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -53,9 +58,10 @@ 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 */
+  /* syntax/syntax_base.nit:37 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMSrcModule____src_local_classes(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -65,6 +71,7 @@ val_t syntax___syntax_base___MMSrcModule___src_local_classes(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcModule___init[] = "syntax_base::MMSrcModule::init";
 void syntax___syntax_base___MMSrcModule___init(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, val_t p5, int* init_table){
   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMSrcModule].i;
   struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
@@ -76,6 +83,7 @@ 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;
@@ -89,19 +97,20 @@ void syntax___syntax_base___MMSrcModule___init(val_t p0, val_t p1, val_t p2, val
   fra.me.REG[3] = p3;
   fra.me.REG[4] = p4;
   fra.me.REG[5] = p5;
-  /* ./syntax//syntax_base.nit:40 */
+  /* syntax/syntax_base.nit:40 */
   fra.me.REG[6] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:42 */
+  /* syntax/syntax_base.nit:42 */
   CALL_metamodel___abstractmetamodel___MMModule___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4], fra.me.REG[3], fra.me.REG[1], fra.me.REG[5], init_table);
-  /* ./syntax//syntax_base.nit:43 */
+  /* syntax/syntax_base.nit:43 */
   CALL_syntax___syntax_base___MMModule___nodes__eq(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[6], fra.me.REG[2]);
-  /* ./syntax//syntax_base.nit:44 */
+  /* syntax/syntax_base.nit:44 */
   fra.me.REG[2] = NEW_HashMap_standard___collection___hash_collection___HashMap___init();
   ATTR_syntax___syntax_base___MMSrcModule____src_local_classes(fra.me.REG[6]) = fra.me.REG[2];
   stack_frame_head = fra.me.prev;
   init_table[itpos0] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcModule___nodes[] = "syntax_base::MMSrcModule::(syntax_base::MMModule::nodes)";
 val_t syntax___syntax_base___MMSrcModule___nodes(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -113,19 +122,20 @@ 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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:49 */
+  /* syntax/syntax_base.nit:49 */
   fra.me.REG[2] = ATTR_syntax___syntax_base___MMSrcModule____nodes(fra.me.REG[0]);
   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);
@@ -141,7 +151,7 @@ val_t syntax___syntax_base___MMSrcModule___nodes(val_t p0, val_t p1){
     }
     REGB0 = CALL_standard___collection___abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   } else {
-    REGB1 = TAG_Bool(false);
+    REGB1 = TAG_Bool(0);
     REGB0 = REGB1;
   }
   if (UNTAG_Bool(REGB0)) {
@@ -160,6 +170,7 @@ val_t syntax___syntax_base___MMSrcModule___nodes(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcModule___nodes__eq[] = "syntax_base::MMSrcModule::(syntax_base::MMModule::nodes=)";
 void syntax___syntax_base___MMSrcModule___nodes__eq(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -170,6 +181,7 @@ 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;
@@ -177,7 +189,7 @@ void syntax___syntax_base___MMSrcModule___nodes__eq(val_t p0, val_t p1, val_t p2
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:53 */
+  /* syntax/syntax_base.nit:53 */
   fra.me.REG[3] = ATTR_syntax___syntax_base___MMSrcModule____nodes(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
@@ -189,7 +201,7 @@ void syntax___syntax_base___MMSrcModule___nodes__eq(val_t p0, val_t p1, val_t p2
   } else {
     nit_abort("Assert failed", NULL, LOCATE_syntax___syntax_base, 53);
   }
-  /* ./syntax//syntax_base.nit:54 */
+  /* syntax/syntax_base.nit:54 */
   fra.me.REG[0] = ATTR_syntax___syntax_base___MMSrcModule____nodes(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
@@ -199,6 +211,7 @@ void syntax___syntax_base___MMSrcModule___nodes__eq(val_t p0, val_t p1, val_t p2
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMModule___nodes[] = "syntax_base::MMModule::nodes";
 val_t syntax___syntax_base___MMModule___nodes(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -208,17 +221,19 @@ 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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:60 */
+  /* syntax/syntax_base.nit:60 */
   fra.me.REG[1] = NIT_NULL;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMModule___nodes__eq[] = "syntax_base::MMModule::nodes=";
 void syntax___syntax_base___MMModule___nodes__eq(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t tmp;
@@ -228,17 +243,19 @@ 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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:62 */
+  /* syntax/syntax_base.nit:62 */
   nit_abort("Aborted", NULL, LOCATE_syntax___syntax_base, 62);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMGlobalClass___check_visibility[] = "syntax_base::MMGlobalClass::check_visibility";
 val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1, val_t p2, val_t p3){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -257,6 +274,7 @@ 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;
@@ -267,50 +285,50 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:68 */
+  /* syntax/syntax_base.nit:68 */
   fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMGlobalClass___intro(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[4])(fra.me.REG[4]);
-  /* ./syntax//syntax_base.nit:69 */
+  /* syntax/syntax_base.nit:69 */
   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_syntax___syntax_base___MMSrcModule, ID_syntax___syntax_base___MMSrcModule)) /*cast MMSrcModule*/;
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Assert failed", NULL, LOCATE_syntax___syntax_base, 69);
   }
-  /* ./syntax//syntax_base.nit:70 */
+  /* syntax/syntax_base.nit:70 */
   REGB0 = CALL_metamodel___abstractmetamodel___MMModule___visibility_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-  /* ./syntax//syntax_base.nit:71 */
+  /* syntax/syntax_base.nit:71 */
   REGB1 = TAG_Int(3);
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ../lib/standard/kernel.nit:237 */
     REGB1 = TAG_Bool((REGB0)==(REGB1));
-    /* ./syntax//syntax_base.nit:71 */
+    /* syntax/syntax_base.nit:71 */
     REGB2 = REGB1;
   }
   if (UNTAG_Bool(REGB2)) {
-    /* ./syntax//syntax_base.nit:72 */
-    REGB2 = TAG_Bool(true);
+    /* syntax/syntax_base.nit:72 */
+    REGB2 = TAG_Bool(1);
     goto label1;
   } else {
-    /* ./syntax//syntax_base.nit:73 */
+    /* syntax/syntax_base.nit:73 */
     REGB1 = TAG_Int(0);
     REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
     if (UNTAG_Bool(REGB3)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ../lib/standard/kernel.nit:237 */
       REGB1 = TAG_Bool((REGB0)==(REGB1));
-      /* ./syntax//syntax_base.nit:73 */
+      /* syntax/syntax_base.nit:73 */
       REGB3 = REGB1;
     }
     if (UNTAG_Bool(REGB3)) {
-      /* ./syntax//syntax_base.nit:74 */
+      /* syntax/syntax_base.nit:74 */
       REGB3 = TAG_Int(5);
       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);
-        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB3);
+        fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB3);
         once_value_2 = fra.me.REG[5];
         register_static_object(&once_value_2);
       } else fra.me.REG[5] = once_value_2;
@@ -321,7 +339,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
       if (!once_value_3) {
         fra.me.REG[5] = BOX_NativeString(" comes from the hidden module ");
         REGB3 = TAG_Int(30);
-        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB3);
+        fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB3);
         once_value_3 = fra.me.REG[5];
         register_static_object(&once_value_3);
       } else fra.me.REG[5] = once_value_3;
@@ -332,7 +350,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
       if (!once_value_4) {
         fra.me.REG[4] = BOX_NativeString(".");
         REGB3 = TAG_Int(1);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB3);
+        fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB3);
         once_value_4 = fra.me.REG[4];
         register_static_object(&once_value_4);
       } else fra.me.REG[4] = once_value_4;
@@ -340,12 +358,12 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
       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);
+      /* syntax/syntax_base.nit:75 */
+      REGB3 = TAG_Bool(0);
       REGB2 = REGB3;
       goto label1;
     } else {
-      /* ./syntax//syntax_base.nit:76 */
+      /* syntax/syntax_base.nit:76 */
       REGB3 = CALL_metamodel___abstractmetamodel___MMGlobalClass___visibility_level(fra.me.REG[0])(fra.me.REG[0]);
       REGB1 = TAG_Int(3);
       REGB0 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
@@ -353,17 +371,17 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
       } else {
         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
       }
-      /* ./../lib/standard//kernel.nit:216 */
+      /* ../lib/standard/kernel.nit:243 */
       REGB1 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB1));
-      /* ./syntax//syntax_base.nit:76 */
+      /* syntax/syntax_base.nit:76 */
       if (UNTAG_Bool(REGB1)) {
-        /* ./syntax//syntax_base.nit:77 */
+        /* syntax/syntax_base.nit:77 */
         REGB1 = TAG_Int(3);
         fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
         if (!once_value_5) {
           fra.me.REG[4] = BOX_NativeString("Visibility error: Class ");
           REGB1 = TAG_Int(24);
-          fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
+          fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB1);
           once_value_5 = fra.me.REG[4];
           register_static_object(&once_value_5);
         } else fra.me.REG[4] = once_value_5;
@@ -374,7 +392,7 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
         if (!once_value_6) {
           fra.me.REG[0] = BOX_NativeString(" is private.");
           REGB1 = TAG_Int(12);
-          fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB1);
+          fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB1);
           once_value_6 = fra.me.REG[0];
           register_static_object(&once_value_6);
         } else fra.me.REG[0] = once_value_6;
@@ -382,21 +400,22 @@ val_t syntax___syntax_base___MMGlobalClass___check_visibility(val_t p0, val_t p1
         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);
+        /* syntax/syntax_base.nit:78 */
+        REGB1 = TAG_Bool(0);
         REGB2 = REGB1;
         goto label1;
       }
     }
   }
-  /* ./syntax//syntax_base.nit:80 */
-  REGB1 = TAG_Bool(true);
+  /* syntax/syntax_base.nit:80 */
+  REGB1 = TAG_Bool(1);
   REGB2 = REGB1;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB2;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcLocalClass___node[] = "syntax_base::MMSrcLocalClass::node";
 val_t syntax___syntax_base___MMSrcLocalClass___node(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -407,13 +426,14 @@ val_t syntax___syntax_base___MMSrcLocalClass___node(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcLocalClass___node;
   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;
-  /* ./syntax//syntax_base.nit:87 */
+  /* syntax/syntax_base.nit:87 */
   fra.me.REG[1] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:88 */
+  /* syntax/syntax_base.nit:88 */
   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*/;
@@ -426,6 +446,7 @@ val_t syntax___syntax_base___MMSrcLocalClass___node(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcLocalClass___formal_dict[] = "syntax_base::MMSrcLocalClass::formal_dict";
 val_t syntax___syntax_base___MMSrcLocalClass___formal_dict(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -436,9 +457,10 @@ 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 */
+  /* syntax/syntax_base.nit:90 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMSrcLocalClass____formal_dict(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -448,6 +470,7 @@ val_t syntax___syntax_base___MMSrcLocalClass___formal_dict(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcLocalClass___src_local_properties[] = "syntax_base::MMSrcLocalClass::src_local_properties";
 val_t syntax___syntax_base___MMSrcLocalClass___src_local_properties(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -458,9 +481,10 @@ 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 */
+  /* syntax/syntax_base.nit:93 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMSrcLocalClass____src_local_properties(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -470,6 +494,7 @@ val_t syntax___syntax_base___MMSrcLocalClass___src_local_properties(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcLocalClass___init[] = "syntax_base::MMSrcLocalClass::init";
 void syntax___syntax_base___MMSrcLocalClass___init(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, int* init_table){
   int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMSrcLocalClass].i;
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
@@ -482,6 +507,7 @@ 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;
@@ -492,19 +518,20 @@ void syntax___syntax_base___MMSrcLocalClass___init(val_t p0, val_t p1, val_t p2,
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
   REGB0 = p4;
-  /* ./syntax//syntax_base.nit:96 */
+  /* syntax/syntax_base.nit:96 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:98 */
+  /* syntax/syntax_base.nit:98 */
   CALL_metamodel___abstractmetamodel___MMLocalClass___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], REGB0, init_table);
-  /* ./syntax//syntax_base.nit:99 */
+  /* syntax/syntax_base.nit:99 */
   CALL_syntax___syntax_base___MMModule___nodes__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4], fra.me.REG[3]);
-  /* ./syntax//syntax_base.nit:100 */
+  /* syntax/syntax_base.nit:100 */
   fra.me.REG[3] = NEW_HashMap_standard___collection___hash_collection___HashMap___init();
   ATTR_syntax___syntax_base___MMSrcLocalClass____src_local_properties(fra.me.REG[4]) = fra.me.REG[3];
   stack_frame_head = fra.me.prev;
   init_table[itpos1] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMGlobalProperty___check_visibility[] = "syntax_base::MMGlobalProperty::check_visibility";
 val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -526,6 +553,7 @@ 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;
@@ -537,50 +565,50 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
   REGB0 = p4;
-  /* ./syntax//syntax_base.nit:107 */
+  /* syntax/syntax_base.nit:107 */
   fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMGlobalProperty___local_class(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[4])(fra.me.REG[4]);
-  /* ./syntax//syntax_base.nit:108 */
+  /* syntax/syntax_base.nit:108 */
   REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_syntax___syntax_base___MMSrcModule, ID_syntax___syntax_base___MMSrcModule)) /*cast MMSrcModule*/;
   if (UNTAG_Bool(REGB1)) {
   } else {
     nit_abort("Assert failed", NULL, LOCATE_syntax___syntax_base, 108);
   }
-  /* ./syntax//syntax_base.nit:109 */
+  /* syntax/syntax_base.nit:109 */
   REGB1 = CALL_metamodel___abstractmetamodel___MMModule___visibility_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
-  /* ./syntax//syntax_base.nit:110 */
+  /* syntax/syntax_base.nit:110 */
   REGB2 = TAG_Int(3);
   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
   if (UNTAG_Bool(REGB3)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ../lib/standard/kernel.nit:237 */
     REGB2 = TAG_Bool((REGB1)==(REGB2));
-    /* ./syntax//syntax_base.nit:110 */
+    /* syntax/syntax_base.nit:110 */
     REGB3 = REGB2;
   }
   if (UNTAG_Bool(REGB3)) {
-    /* ./syntax//syntax_base.nit:111 */
-    REGB3 = TAG_Bool(true);
+    /* syntax/syntax_base.nit:111 */
+    REGB3 = TAG_Bool(1);
     goto label1;
   } else {
-    /* ./syntax//syntax_base.nit:112 */
+    /* syntax/syntax_base.nit:112 */
     REGB2 = TAG_Int(0);
     REGB4 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
     if (UNTAG_Bool(REGB4)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ../lib/standard/kernel.nit:237 */
       REGB2 = TAG_Bool((REGB1)==(REGB2));
-      /* ./syntax//syntax_base.nit:112 */
+      /* syntax/syntax_base.nit:112 */
       REGB4 = REGB2;
     }
     if (UNTAG_Bool(REGB4)) {
-      /* ./syntax//syntax_base.nit:114 */
+      /* syntax/syntax_base.nit:114 */
       REGB4 = TAG_Int(5);
       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);
-        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB4);
+        fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB4);
         once_value_2 = fra.me.REG[5];
         register_static_object(&once_value_2);
       } else fra.me.REG[5] = once_value_2;
@@ -591,7 +619,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
       if (!once_value_3) {
         fra.me.REG[5] = BOX_NativeString(" comes from the hidden module ");
         REGB4 = TAG_Int(30);
-        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB4);
+        fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB4);
         once_value_3 = fra.me.REG[5];
         register_static_object(&once_value_3);
       } else fra.me.REG[5] = once_value_3;
@@ -602,7 +630,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
       if (!once_value_4) {
         fra.me.REG[4] = BOX_NativeString(".");
         REGB4 = TAG_Int(1);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB4);
+        fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB4);
         once_value_4 = fra.me.REG[4];
         register_static_object(&once_value_4);
       } else fra.me.REG[4] = once_value_4;
@@ -610,12 +638,12 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
       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);
+      /* syntax/syntax_base.nit:115 */
+      REGB4 = TAG_Bool(0);
       REGB3 = REGB4;
       goto label1;
     } else {
-      /* ./syntax//syntax_base.nit:116 */
+      /* syntax/syntax_base.nit:116 */
       REGB4 = CALL_metamodel___abstractmetamodel___MMGlobalProperty___visibility_level(fra.me.REG[0])(fra.me.REG[0]);
       REGB2 = TAG_Int(3);
       REGB1 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
@@ -623,17 +651,17 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
       } else {
         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
       }
-      /* ./../lib/standard//kernel.nit:216 */
+      /* ../lib/standard/kernel.nit:243 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB2));
-      /* ./syntax//syntax_base.nit:116 */
+      /* syntax/syntax_base.nit:116 */
       if (UNTAG_Bool(REGB2)) {
-        /* ./syntax//syntax_base.nit:117 */
+        /* syntax/syntax_base.nit:117 */
         REGB2 = TAG_Int(3);
         fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
         if (!once_value_5) {
           fra.me.REG[4] = BOX_NativeString("Visibility error: Property ");
           REGB2 = TAG_Int(27);
-          fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB2);
+          fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB2);
           once_value_5 = fra.me.REG[4];
           register_static_object(&once_value_5);
         } else fra.me.REG[4] = once_value_5;
@@ -644,7 +672,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         if (!once_value_6) {
           fra.me.REG[4] = BOX_NativeString(" is private.");
           REGB2 = TAG_Int(12);
-          fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB2);
+          fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB2);
           once_value_6 = fra.me.REG[4];
           register_static_object(&once_value_6);
         } else fra.me.REG[4] = once_value_6;
@@ -652,12 +680,12 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         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);
+        /* syntax/syntax_base.nit:118 */
+        REGB2 = TAG_Bool(0);
         REGB3 = REGB2;
         goto label1;
       } else {
-        /* ./syntax//syntax_base.nit:119 */
+        /* syntax/syntax_base.nit:119 */
         REGB2 = CALL_metamodel___abstractmetamodel___MMGlobalProperty___visibility_level(fra.me.REG[0])(fra.me.REG[0]);
         REGB4 = TAG_Int(2);
         REGB1 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
@@ -665,23 +693,23 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
         } else {
           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
         }
-        /* ./../lib/standard//kernel.nit:216 */
+        /* ../lib/standard/kernel.nit:243 */
         REGB4 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB4));
-        /* ./syntax//syntax_base.nit:119 */
+        /* syntax/syntax_base.nit:119 */
         if (UNTAG_Bool(REGB4)) {
           REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
         } else {
-          REGB4 = TAG_Bool(false);
+          REGB4 = TAG_Bool(0);
           REGB0 = REGB4;
         }
         if (UNTAG_Bool(REGB0)) {
-          /* ./syntax//syntax_base.nit:120 */
+          /* syntax/syntax_base.nit:120 */
           REGB0 = TAG_Int(3);
           fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
           if (!once_value_7) {
             fra.me.REG[4] = BOX_NativeString("Visibility error: Property ");
             REGB0 = TAG_Int(27);
-            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_7 = fra.me.REG[4];
             register_static_object(&once_value_7);
           } else fra.me.REG[4] = once_value_7;
@@ -692,7 +720,7 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
           if (!once_value_8) {
             fra.me.REG[0] = BOX_NativeString(" is protected and can only acceded by self.");
             REGB0 = TAG_Int(43);
-            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_8 = fra.me.REG[0];
             register_static_object(&once_value_8);
           } else fra.me.REG[0] = once_value_8;
@@ -700,22 +728,23 @@ val_t syntax___syntax_base___MMGlobalProperty___check_visibility(val_t p0, val_t
           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);
+          /* syntax/syntax_base.nit:121 */
+          REGB0 = TAG_Bool(0);
           REGB3 = REGB0;
           goto label1;
         }
       }
     }
   }
-  /* ./syntax//syntax_base.nit:123 */
-  REGB0 = TAG_Bool(true);
+  /* syntax/syntax_base.nit:123 */
+  REGB0 = TAG_Bool(1);
   REGB3 = REGB0;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB3;
 }
+static const char LOCATE_syntax___syntax_base___MMLocalProperty___node[] = "syntax_base::MMLocalProperty::node";
 val_t syntax___syntax_base___MMLocalProperty___node(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
@@ -725,15 +754,17 @@ 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 */
+  /* syntax/syntax_base.nit:129 */
   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___syntax_base___MMLocalProperty___is_init[] = "syntax_base::MMLocalProperty::is_init";
 val_t syntax___syntax_base___MMLocalProperty___is_init(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -744,15 +775,17 @@ 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 */
-  REGB0 = TAG_Bool(false);
+  /* syntax/syntax_base.nit:132 */
+  REGB0 = TAG_Bool(0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcAttribute___node[] = "syntax_base::MMSrcAttribute::(syntax_base::MMLocalProperty::node)";
 val_t syntax___syntax_base___MMSrcAttribute___node(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -763,11 +796,12 @@ val_t syntax___syntax_base___MMSrcAttribute___node(val_t p0){
   fra.me.meth = LOCATE_syntax___syntax_base___MMSrcAttribute___node;
   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;
-  /* ./syntax//syntax_base.nit:138 */
+  /* syntax/syntax_base.nit:138 */
   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]);
@@ -781,6 +815,7 @@ val_t syntax___syntax_base___MMSrcAttribute___node(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMSrcAttribute___init[] = "syntax_base::MMSrcAttribute::init";
 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;
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
@@ -792,6 +827,7 @@ 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;
@@ -801,17 +837,18 @@ void syntax___syntax_base___MMSrcAttribute___init(val_t p0, val_t p1, val_t p2,
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:139 */
+  /* syntax/syntax_base.nit:139 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:141 */
+  /* syntax/syntax_base.nit:141 */
   CALL_metamodel___abstractmetamodel___MMLocalProperty___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
-  /* ./syntax//syntax_base.nit:142 */
+  /* syntax/syntax_base.nit:142 */
   fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[2])(fra.me.REG[2]);
   CALL_syntax___syntax_base___MMModule___nodes__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4], fra.me.REG[3]);
   stack_frame_head = fra.me.prev;
   init_table[itpos2] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcMethod___is_intern[] = "syntax_base::MMSrcMethod::(abstractmetamodel::MMMethod::is_intern)";
 val_t syntax___syntax_base___MMSrcMethod___is_intern(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -822,80 +859,109 @@ 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 */
-  REGB0 = TAG_Bool(false);
+  /* syntax/syntax_base.nit:149 */
+  REGB0 = TAG_Bool(0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t syntax___syntax_base___MMSrcMethod___is_abstract(val_t p0){
+static const char LOCATE_syntax___syntax_base___MMSrcMethod___is_extern[] = "syntax_base::MMSrcMethod::(abstractmetamodel::MMMethod::is_extern)";
+val_t syntax___syntax_base___MMSrcMethod___is_extern(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___syntax_base;
   fra.me.line = 150;
+  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 */
+  REGB0 = TAG_Bool(0);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+static const char LOCATE_syntax___syntax_base___MMSrcMethod___is_abstract[] = "syntax_base::MMSrcMethod::(abstractmetamodel::MMMethod::is_abstract)";
+val_t syntax___syntax_base___MMSrcMethod___is_abstract(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___syntax_base;
+  fra.me.line = 151;
   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:150 */
-  REGB0 = TAG_Bool(false);
+  /* syntax/syntax_base.nit:151 */
+  REGB0 = TAG_Bool(0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcMethod___extern_name[] = "syntax_base::MMSrcMethod::(abstractmetamodel::MMMethod::extern_name)";
 val_t syntax___syntax_base___MMSrcMethod___extern_name(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___syntax_base;
-  fra.me.line = 151;
+  fra.me.line = 152;
   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:151 */
+  /* syntax/syntax_base.nit:152 */
   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___syntax_base___MMAttrImplementationMethod___node[] = "syntax_base::MMAttrImplementationMethod::(syntax_base::MMLocalProperty::node)";
 val_t syntax___syntax_base___MMAttrImplementationMethod___node(val_t p0){
   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;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 157;
+  fra.me.line = 158;
   fra.me.meth = LOCATE_syntax___syntax_base___MMAttrImplementationMethod___node;
   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;
-  /* ./syntax//syntax_base.nit:157 */
+  /* syntax/syntax_base.nit:158 */
   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, 157);
+    nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 158);
   }
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMAttrImplementationMethod___init[] = "syntax_base::MMAttrImplementationMethod::init";
 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;
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
@@ -903,10 +969,11 @@ void syntax___syntax_base___MMAttrImplementationMethod___init(val_t p0, val_t p1
   if (init_table[itpos3]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 158;
+  fra.me.line = 159;
   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;
@@ -916,17 +983,18 @@ void syntax___syntax_base___MMAttrImplementationMethod___init(val_t p0, val_t p1
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:158 */
+  /* syntax/syntax_base.nit:159 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:160 */
+  /* syntax/syntax_base.nit:161 */
   CALL_metamodel___abstractmetamodel___MMLocalProperty___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
-  /* ./syntax//syntax_base.nit:161 */
+  /* syntax/syntax_base.nit:162 */
   fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[2])(fra.me.REG[2]);
   CALL_syntax___syntax_base___MMModule___nodes__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4], fra.me.REG[3]);
   stack_frame_head = fra.me.prev;
   init_table[itpos3] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMReadImplementationMethod___init[] = "syntax_base::MMReadImplementationMethod::init";
 void syntax___syntax_base___MMReadImplementationMethod___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___syntax_base___MMReadImplementationMethod].i;
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
@@ -934,10 +1002,11 @@ void syntax___syntax_base___MMReadImplementationMethod___init(val_t p0, val_t p1
   if (init_table[itpos4]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 168;
+  fra.me.line = 169;
   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;
@@ -946,12 +1015,13 @@ void syntax___syntax_base___MMReadImplementationMethod___init(val_t p0, val_t p1
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:170 */
+  /* syntax/syntax_base.nit:171 */
   CALL_syntax___syntax_base___MMAttrImplementationMethod___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos4] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMWriteImplementationMethod___init[] = "syntax_base::MMWriteImplementationMethod::init";
 void syntax___syntax_base___MMWriteImplementationMethod___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos5 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMWriteImplementationMethod].i;
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
@@ -959,10 +1029,11 @@ void syntax___syntax_base___MMWriteImplementationMethod___init(val_t p0, val_t p
   if (init_table[itpos5]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 177;
+  fra.me.line = 178;
   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;
@@ -971,140 +1042,225 @@ void syntax___syntax_base___MMWriteImplementationMethod___init(val_t p0, val_t p
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:179 */
+  /* syntax/syntax_base.nit:180 */
   CALL_syntax___syntax_base___MMAttrImplementationMethod___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos5] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___is_init[] = "syntax_base::MMMethSrcMethod::(syntax_base::MMLocalProperty::is_init)";
 val_t syntax___syntax_base___MMMethSrcMethod___is_init(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___syntax_base;
-  fra.me.line = 186;
+  fra.me.line = 187;
   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:186 */
+  /* syntax/syntax_base.nit:187 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMMethSrcMethod____is_init(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_is_init", LOCATE_syntax___syntax_base, 186);
+    nit_abort("Uninitialized attribute %s", "_is_init", LOCATE_syntax___syntax_base, 187);
   }
   REGB0 = ATTR_syntax___syntax_base___MMMethSrcMethod____is_init(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___is_intern[] = "syntax_base::MMMethSrcMethod::(abstractmetamodel::MMMethod::is_intern)";
 val_t syntax___syntax_base___MMMethSrcMethod___is_intern(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___syntax_base;
-  fra.me.line = 187;
+  fra.me.line = 188;
   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:187 */
+  /* syntax/syntax_base.nit:188 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMMethSrcMethod____is_intern(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_is_intern", LOCATE_syntax___syntax_base, 187);
+    nit_abort("Uninitialized attribute %s", "_is_intern", LOCATE_syntax___syntax_base, 188);
   }
   REGB0 = ATTR_syntax___syntax_base___MMMethSrcMethod____is_intern(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___is_extern[] = "syntax_base::MMMethSrcMethod::(abstractmetamodel::MMMethod::is_extern)";
+val_t syntax___syntax_base___MMMethSrcMethod___is_extern(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___syntax_base;
+  fra.me.line = 189;
+  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 */
+  REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMMethSrcMethod____is_extern(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_extern", LOCATE_syntax___syntax_base, 189);
+  }
+  REGB0 = ATTR_syntax___syntax_base___MMMethSrcMethod____is_extern(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___is_abstract[] = "syntax_base::MMMethSrcMethod::(abstractmetamodel::MMMethod::is_abstract)";
 val_t syntax___syntax_base___MMMethSrcMethod___is_abstract(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___syntax_base;
-  fra.me.line = 188;
+  fra.me.line = 190;
   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:188 */
+  /* syntax/syntax_base.nit:190 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMMethSrcMethod____is_abstract(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_is_abstract", LOCATE_syntax___syntax_base, 188);
+    nit_abort("Uninitialized attribute %s", "_is_abstract", LOCATE_syntax___syntax_base, 190);
   }
   REGB0 = ATTR_syntax___syntax_base___MMMethSrcMethod____is_abstract(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___extern_name[] = "syntax_base::MMMethSrcMethod::(abstractmetamodel::MMMethod::extern_name)";
 val_t syntax___syntax_base___MMMethSrcMethod___extern_name(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___syntax_base;
-  fra.me.line = 189;
+  fra.me.line = 191;
   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:189 */
+  /* syntax/syntax_base.nit:191 */
   fra.me.REG[0] = ATTR_syntax___syntax_base___MMMethSrcMethod____extern_name(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___extern_name__eq[] = "syntax_base::MMMethSrcMethod::extern_name=";
 void syntax___syntax_base___MMMethSrcMethod___extern_name__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 189;
+  fra.me.line = 191;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:189 */
+  /* syntax/syntax_base.nit:191 */
   ATTR_syntax___syntax_base___MMMethSrcMethod____extern_name(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___explicit_casts[] = "syntax_base::MMMethSrcMethod::(static_type::MMMethod::explicit_casts)";
+val_t syntax___syntax_base___MMMethSrcMethod___explicit_casts(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___syntax_base;
+  fra.me.line = 192;
+  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 */
+  REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMMethSrcMethod____explicit_casts(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_explicit_casts", LOCATE_syntax___syntax_base, 192);
+  }
+  fra.me.REG[0] = ATTR_syntax___syntax_base___MMMethSrcMethod____explicit_casts(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___explicit_imports[] = "syntax_base::MMMethSrcMethod::(abstractmetamodel::MMMethod::explicit_imports)";
+val_t syntax___syntax_base___MMMethSrcMethod___explicit_imports(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___syntax_base;
+  fra.me.line = 193;
+  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 */
+  REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMMethSrcMethod____explicit_imports(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_explicit_imports", LOCATE_syntax___syntax_base, 193);
+  }
+  fra.me.REG[0] = ATTR_syntax___syntax_base___MMMethSrcMethod____explicit_imports(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___node[] = "syntax_base::MMMethSrcMethod::(syntax_base::MMLocalProperty::node)";
 val_t syntax___syntax_base___MMMethSrcMethod___node(val_t p0){
   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;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 190;
+  fra.me.line = 194;
   fra.me.meth = LOCATE_syntax___syntax_base___MMMethSrcMethod___node;
   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;
-  /* ./syntax//syntax_base.nit:190 */
+  /* syntax/syntax_base.nit:194 */
   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, 190);
+    nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 194);
   }
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___MMMethSrcMethod___init[] = "syntax_base::MMMethSrcMethod::init";
 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;
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
@@ -1113,10 +1269,11 @@ void syntax___syntax_base___MMMethSrcMethod___init(val_t p0, val_t p1, val_t p2,
   if (init_table[itpos6]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 191;
+  fra.me.line = 195;
   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;
@@ -1126,31 +1283,44 @@ void syntax___syntax_base___MMMethSrcMethod___init(val_t p0, val_t p1, val_t p2,
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:191 */
+  /* syntax/syntax_base.nit:195 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:193 */
+  /* syntax/syntax_base.nit:197 */
   CALL_metamodel___abstractmetamodel___MMLocalProperty___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
-  /* ./syntax//syntax_base.nit:194 */
+  /* syntax/syntax_base.nit:198 */
   fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[2])(fra.me.REG[2]);
   CALL_syntax___syntax_base___MMModule___nodes__eq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4], fra.me.REG[3]);
-  /* ./syntax//syntax_base.nit:195 */
+  /* syntax/syntax_base.nit:199 */
   fra.me.REG[3] = CALL_syntax___syntax_base___MMLocalProperty___node(fra.me.REG[4])(fra.me.REG[4]);
-  REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_parser___parser_nodes___AConcreteInitPropdef, ID_parser___parser_nodes___AConcreteInitPropdef)) /*cast AConcreteInitPropdef*/;
+  REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_parser___parser_nodes___AInitPropdef, ID_parser___parser_nodes___AInitPropdef)) /*cast AInitPropdef*/;
   ATTR_syntax___syntax_base___MMMethSrcMethod____is_init(fra.me.REG[4]) = REGB0;
-  /* ./syntax//syntax_base.nit:196 */
+  /* syntax/syntax_base.nit:200 */
   fra.me.REG[3] = CALL_syntax___syntax_base___MMLocalProperty___node(fra.me.REG[4])(fra.me.REG[4]);
   REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_parser___parser_nodes___AInternMethPropdef, ID_parser___parser_nodes___AInternMethPropdef)) /*cast AInternMethPropdef*/;
   ATTR_syntax___syntax_base___MMMethSrcMethod____is_intern(fra.me.REG[4]) = REGB0;
-  /* ./syntax//syntax_base.nit:197 */
+  /* syntax/syntax_base.nit:201 */
+  fra.me.REG[3] = CALL_syntax___syntax_base___MMLocalProperty___node(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_parser___parser_nodes___AExternPropdef, ID_parser___parser_nodes___AExternPropdef)) /*cast AExternPropdef*/;
+  ATTR_syntax___syntax_base___MMMethSrcMethod____is_extern(fra.me.REG[4]) = REGB0;
+  /* syntax/syntax_base.nit:202 */
   fra.me.REG[3] = CALL_syntax___syntax_base___MMLocalProperty___node(fra.me.REG[4])(fra.me.REG[4]);
   REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_parser___parser_nodes___ADeferredMethPropdef, ID_parser___parser_nodes___ADeferredMethPropdef)) /*cast ADeferredMethPropdef*/;
   ATTR_syntax___syntax_base___MMMethSrcMethod____is_abstract(fra.me.REG[4]) = REGB0;
-  /* ./syntax//syntax_base.nit:198 */
+  /* syntax/syntax_base.nit:203 */
   ATTR_syntax___syntax_base___MMMethSrcMethod____extern_name(fra.me.REG[4]) = NIT_NULL;
+  /* syntax/syntax_base.nit:205 */
+  REGB0 = CALL_metamodel___abstractmetamodel___MMMethod___is_extern(fra.me.REG[4])(fra.me.REG[4]);
+  if (UNTAG_Bool(REGB0)) {
+    /* syntax/syntax_base.nit:206 */
+    fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[4])(fra.me.REG[4]);
+    REGB0 = TAG_Bool(1);
+    CALL_metamodel___abstractmetamodel___MMModule___is_extern_hybrid__eq(fra.me.REG[4])(fra.me.REG[4], REGB0);
+  }
   stack_frame_head = fra.me.prev;
   init_table[itpos6] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMSrcTypeProperty___init[] = "syntax_base::MMSrcTypeProperty::init";
 void syntax___syntax_base___MMSrcTypeProperty___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos7 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMSrcTypeProperty].i;
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
@@ -1158,10 +1328,11 @@ void syntax___syntax_base___MMSrcTypeProperty___init(val_t p0, val_t p1, val_t p
   if (init_table[itpos7]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 206;
+  fra.me.line = 215;
   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;
@@ -1170,89 +1341,98 @@ void syntax___syntax_base___MMSrcTypeProperty___init(val_t p0, val_t p1, val_t p
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:208 */
+  /* syntax/syntax_base.nit:217 */
   CALL_metamodel___abstractmetamodel___MMLocalProperty___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos7] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___MMImplicitInit___super_init[] = "syntax_base::MMImplicitInit::super_init";
 val_t syntax___syntax_base___MMImplicitInit___super_init(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___syntax_base;
-  fra.me.line = 215;
+  fra.me.line = 224;
   fra.me.meth = LOCATE_syntax___syntax_base___MMImplicitInit___super_init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:215 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 215);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___MMImplicitInit___is_init[] = "syntax_base::MMImplicitInit::(syntax_base::MMLocalProperty::is_init)";
 val_t syntax___syntax_base___MMImplicitInit___is_init(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___syntax_base;
-  fra.me.line = 216;
+  fra.me.line = 225;
   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:216 */
-  REGB0 = TAG_Bool(true);
+  /* syntax/syntax_base.nit:225 */
+  REGB0 = TAG_Bool(1);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___MMImplicitInit___unassigned_attributes[] = "syntax_base::MMImplicitInit::unassigned_attributes";
 val_t syntax___syntax_base___MMImplicitInit___unassigned_attributes(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___syntax_base;
-  fra.me.line = 217;
+  fra.me.line = 226;
   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:217 */
+  /* syntax/syntax_base.nit:226 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMImplicitInit____unassigned_attributes(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_unassigned_attributes", LOCATE_syntax___syntax_base, 217);
+    nit_abort("Uninitialized attribute %s", "_unassigned_attributes", LOCATE_syntax___syntax_base, 226);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___MMImplicitInit____unassigned_attributes(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___MMImplicitInit___super_inits[] = "syntax_base::MMImplicitInit::super_inits";
 val_t syntax___syntax_base___MMImplicitInit___super_inits(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___syntax_base;
-  fra.me.line = 218;
+  fra.me.line = 227;
   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:218 */
+  /* syntax/syntax_base.nit:227 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___MMImplicitInit____super_inits(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_super_inits", LOCATE_syntax___syntax_base, 218);
+    nit_abort("Uninitialized attribute %s", "_super_inits", LOCATE_syntax___syntax_base, 227);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___MMImplicitInit____super_inits(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___MMImplicitInit___init[] = "syntax_base::MMImplicitInit::init";
 void syntax___syntax_base___MMImplicitInit___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos8 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___MMImplicitInit].i;
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
@@ -1263,10 +1443,11 @@ void syntax___syntax_base___MMImplicitInit___init(val_t p0, val_t p1, val_t p2,
   if (init_table[itpos8]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 219;
+  fra.me.line = 228;
   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;
@@ -1277,121 +1458,131 @@ void syntax___syntax_base___MMImplicitInit___init(val_t p0, val_t p1, val_t p2,
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:219 */
+  /* syntax/syntax_base.nit:228 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:221 */
+  /* syntax/syntax_base.nit:230 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[5] = BOX_NativeString("init");
       REGB0 = TAG_Int(4);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB0);
+      fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB0);
       once_value_2 = fra.me.REG[5];
       register_static_object(&once_value_2);
     } else fra.me.REG[5] = once_value_2;
     fra.me.REG[5] = fra.me.REG[5];
-    fra.me.REG[5] = CALL_standard___symbol___String___to_symbol(fra.me.REG[5])(fra.me.REG[5]);
+    fra.me.REG[5] = CALL_symbol___String___to_symbol(fra.me.REG[5])(fra.me.REG[5]);
     once_value_1 = fra.me.REG[5];
     register_static_object(&once_value_1);
   } else fra.me.REG[5] = once_value_1;
   fra.me.REG[5] = fra.me.REG[5];
   CALL_syntax___syntax_base___MMMethSrcMethod___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[5], fra.me.REG[1], NIT_NULL, init_table);
-  /* ./syntax//syntax_base.nit:222 */
+  /* syntax/syntax_base.nit:231 */
   ATTR_syntax___syntax_base___MMImplicitInit____unassigned_attributes(fra.me.REG[4]) = fra.me.REG[2];
-  /* ./syntax//syntax_base.nit:223 */
+  /* syntax/syntax_base.nit:232 */
   ATTR_syntax___syntax_base___MMImplicitInit____super_inits(fra.me.REG[4]) = fra.me.REG[3];
   stack_frame_head = fra.me.prev;
   init_table[itpos8] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___Variable___name[] = "syntax_base::Variable::name";
 val_t syntax___syntax_base___Variable___name(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___syntax_base;
-  fra.me.line = 229;
+  fra.me.line = 238;
   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:229 */
+  /* syntax/syntax_base.nit:238 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___Variable____name(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_name", LOCATE_syntax___syntax_base, 229);
+    nit_abort("Uninitialized attribute %s", "_name", LOCATE_syntax___syntax_base, 238);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___Variable____name(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___Variable___decl[] = "syntax_base::Variable::decl";
 val_t syntax___syntax_base___Variable___decl(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___syntax_base;
-  fra.me.line = 232;
+  fra.me.line = 241;
   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:232 */
+  /* syntax/syntax_base.nit:241 */
   fra.me.REG[0] = ATTR_syntax___syntax_base___Variable____decl(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___Variable___stype[] = "syntax_base::Variable::stype";
 val_t syntax___syntax_base___Variable___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___syntax_base;
-  fra.me.line = 235;
+  fra.me.line = 244;
   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:235 */
+  /* syntax/syntax_base.nit:244 */
   fra.me.REG[0] = ATTR_syntax___syntax_base___Variable____stype(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___Variable___stype__eq[] = "syntax_base::Variable::stype=";
 void syntax___syntax_base___Variable___stype__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 235;
+  fra.me.line = 244;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:235 */
+  /* syntax/syntax_base.nit:244 */
   ATTR_syntax___syntax_base___Variable____stype(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___Variable___to_s[] = "syntax_base::Variable::(string::Object::to_s)";
 val_t syntax___syntax_base___Variable___to_s(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___syntax_base;
-  fra.me.line = 238;
+  fra.me.line = 247;
   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:238 */
+  /* syntax/syntax_base.nit:247 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___Variable____name(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_name", LOCATE_syntax___syntax_base, 238);
+    nit_abort("Uninitialized attribute %s", "_name", LOCATE_syntax___syntax_base, 247);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___Variable____name(fra.me.REG[0]);
   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
@@ -1400,20 +1591,23 @@ val_t syntax___syntax_base___Variable___to_s(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___Variable___kind[] = "syntax_base::Variable::kind";
 val_t syntax___syntax_base___Variable___kind(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___syntax_base;
-  fra.me.line = 240;
+  fra.me.line = 249;
   fra.me.meth = LOCATE_syntax___syntax_base___Variable___kind;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:240 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 240);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___Variable___init[] = "syntax_base::Variable::init";
 void syntax___syntax_base___Variable___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos9 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___Variable].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -1421,24 +1615,26 @@ void syntax___syntax_base___Variable___init(val_t p0, val_t p1, val_t p2, int* i
   if (init_table[itpos9]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 242;
+  fra.me.line = 251;
   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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:244 */
+  /* syntax/syntax_base.nit:253 */
   ATTR_syntax___syntax_base___Variable____name(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./syntax//syntax_base.nit:245 */
+  /* syntax/syntax_base.nit:254 */
   ATTR_syntax___syntax_base___Variable____decl(fra.me.REG[0]) = fra.me.REG[2];
   stack_frame_head = fra.me.prev;
   init_table[itpos9] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___VarVariable___kind[] = "syntax_base::VarVariable::(syntax_base::Variable::kind)";
 val_t syntax___syntax_base___VarVariable___kind(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1447,18 +1643,19 @@ val_t syntax___syntax_base___VarVariable___kind(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 252;
+  fra.me.line = 261;
   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:252 */
+  /* syntax/syntax_base.nit:261 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[0] = BOX_NativeString("variable");
       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_2 = fra.me.REG[0];
       register_static_object(&once_value_2);
     } else fra.me.REG[0] = once_value_2;
@@ -1472,6 +1669,7 @@ val_t syntax___syntax_base___VarVariable___kind(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___VarVariable___init[] = "syntax_base::VarVariable::init";
 void syntax___syntax_base___VarVariable___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos10 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___VarVariable].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -1479,22 +1677,24 @@ void syntax___syntax_base___VarVariable___init(val_t p0, val_t p1, val_t p2, int
   if (init_table[itpos10]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 253;
+  fra.me.line = 262;
   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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:253 */
+  /* syntax/syntax_base.nit:262 */
   CALL_syntax___syntax_base___Variable___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos10] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___ParamVariable___kind[] = "syntax_base::ParamVariable::(syntax_base::Variable::kind)";
 val_t syntax___syntax_base___ParamVariable___kind(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1503,18 +1703,19 @@ val_t syntax___syntax_base___ParamVariable___kind(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 259;
+  fra.me.line = 268;
   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:259 */
+  /* syntax/syntax_base.nit:268 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[0] = BOX_NativeString("parameter");
       REGB0 = TAG_Int(9);
-      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_2 = fra.me.REG[0];
       register_static_object(&once_value_2);
     } else fra.me.REG[0] = once_value_2;
@@ -1528,6 +1729,7 @@ val_t syntax___syntax_base___ParamVariable___kind(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___ParamVariable___init[] = "syntax_base::ParamVariable::init";
 void syntax___syntax_base___ParamVariable___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos11 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___ParamVariable].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -1535,22 +1737,24 @@ void syntax___syntax_base___ParamVariable___init(val_t p0, val_t p1, val_t p2, i
   if (init_table[itpos11]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 260;
+  fra.me.line = 269;
   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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:260 */
+  /* syntax/syntax_base.nit:269 */
   CALL_syntax___syntax_base___Variable___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos11] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AutoVariable___kind[] = "syntax_base::AutoVariable::(syntax_base::Variable::kind)";
 val_t syntax___syntax_base___AutoVariable___kind(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1559,18 +1763,19 @@ val_t syntax___syntax_base___AutoVariable___kind(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 266;
+  fra.me.line = 275;
   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:266 */
+  /* syntax/syntax_base.nit:275 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[0] = BOX_NativeString("automatic variable");
       REGB0 = TAG_Int(18);
-      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_2 = fra.me.REG[0];
       register_static_object(&once_value_2);
     } else fra.me.REG[0] = once_value_2;
@@ -1584,6 +1789,7 @@ val_t syntax___syntax_base___AutoVariable___kind(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AutoVariable___init[] = "syntax_base::AutoVariable::init";
 void syntax___syntax_base___AutoVariable___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos12 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___AutoVariable].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -1591,22 +1797,24 @@ void syntax___syntax_base___AutoVariable___init(val_t p0, val_t p1, val_t p2, in
   if (init_table[itpos12]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 267;
+  fra.me.line = 276;
   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;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:267 */
+  /* syntax/syntax_base.nit:276 */
   CALL_syntax___syntax_base___Variable___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
   stack_frame_head = fra.me.prev;
   init_table[itpos12] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___ClosureVariable___kind[] = "syntax_base::ClosureVariable::(syntax_base::Variable::kind)";
 val_t syntax___syntax_base___ClosureVariable___kind(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1615,18 +1823,19 @@ val_t syntax___syntax_base___ClosureVariable___kind(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 274;
+  fra.me.line = 283;
   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:274 */
+  /* syntax/syntax_base.nit:283 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[0] = BOX_NativeString("closure");
       REGB0 = TAG_Int(7);
-      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_2 = fra.me.REG[0];
       register_static_object(&once_value_2);
     } else fra.me.REG[0] = once_value_2;
@@ -1640,28 +1849,31 @@ val_t syntax___syntax_base___ClosureVariable___kind(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___ClosureVariable___closure[] = "syntax_base::ClosureVariable::closure";
 val_t syntax___syntax_base___ClosureVariable___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___syntax_base;
-  fra.me.line = 276;
+  fra.me.line = 285;
   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:276 */
+  /* syntax/syntax_base.nit:285 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___ClosureVariable____closure(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___syntax_base, 276);
+    nit_abort("Uninitialized attribute %s", "_closure", LOCATE_syntax___syntax_base, 285);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___ClosureVariable____closure(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___ClosureVariable___init[] = "syntax_base::ClosureVariable::init";
 void syntax___syntax_base___ClosureVariable___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos13 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___ClosureVariable].i;
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
@@ -1669,10 +1881,11 @@ void syntax___syntax_base___ClosureVariable___init(val_t p0, val_t p1, val_t p2,
   if (init_table[itpos13]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 279;
+  fra.me.line = 288;
   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;
@@ -1682,16 +1895,17 @@ void syntax___syntax_base___ClosureVariable___init(val_t p0, val_t p1, val_t p2,
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:279 */
+  /* syntax/syntax_base.nit:288 */
   fra.me.REG[4] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:281 */
+  /* syntax/syntax_base.nit:290 */
   CALL_syntax___syntax_base___Variable___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
-  /* ./syntax//syntax_base.nit:282 */
+  /* syntax/syntax_base.nit:291 */
   ATTR_syntax___syntax_base___ClosureVariable____closure(fra.me.REG[4]) = fra.me.REG[3];
   stack_frame_head = fra.me.prev;
   init_table[itpos13] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name[] = "syntax_base::AbsSyntaxVisitor::get_type_by_name";
 val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -1700,10 +1914,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 291;
+  fra.me.line = 300;
   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;
@@ -1712,11 +1927,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t
   fra.me.REG[5] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:293 */
+  /* syntax/syntax_base.nit:302 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 293);
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 302);
   }
   fra.me.REG[2] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
   REGB0 = CALL_metamodel___abstractmetamodel___MMModule___has_global_class_named(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
@@ -1725,13 +1940,13 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t
     REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 293);
+      nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 302);
     }
     fra.me.REG[2] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0]);
     REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 293);
+      nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 302);
     }
     fra.me.REG[3] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
     fra.me.REG[3] = CALL_metamodel___abstractmetamodel___MMModule___location(fra.me.REG[3])(fra.me.REG[3]);
@@ -1740,7 +1955,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t
     if (!once_value_1) {
       fra.me.REG[5] = BOX_NativeString("Missing necessary class: \"");
       REGB0 = TAG_Int(26);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB0);
+      fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB0);
       once_value_1 = fra.me.REG[5];
       register_static_object(&once_value_1);
     } else fra.me.REG[5] = once_value_1;
@@ -1751,30 +1966,31 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_type_by_name(val_t p0, val_t
     if (!once_value_2) {
       fra.me.REG[5] = BOX_NativeString("\"");
       REGB0 = TAG_Int(1);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB0);
+      fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB0);
       once_value_2 = fra.me.REG[5];
       register_static_object(&once_value_2);
     } else fra.me.REG[5] = once_value_2;
     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[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-    CALL_mmloader___ToolContext___fatal_error(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3], fra.me.REG[4]);
+    CALL_toolcontext___ToolContext___fatal_error(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3], fra.me.REG[4]);
   }
-  /* ./syntax//syntax_base.nit:294 */
+  /* syntax/syntax_base.nit:303 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 294);
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 303);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
   fra.me.REG[1] = CALL_metamodel___abstractmetamodel___MMModule___class_by_name(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:295 */
+  /* syntax/syntax_base.nit:304 */
   fra.me.REG[1] = CALL_metamodel___static_type___MMLocalClass___get_type(fra.me.REG[1])(fra.me.REG[1]);
   goto label3;
   label3: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name[] = "syntax_base::AbsSyntaxVisitor::get_instantiated_type_by_name";
 val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
   val_t REGB0;
@@ -1783,10 +1999,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(va
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 298;
+  fra.me.line = 307;
   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;
@@ -1797,11 +2014,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(va
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:300 */
+  /* syntax/syntax_base.nit:309 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 300);
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 309);
   }
   fra.me.REG[3] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
   REGB0 = CALL_metamodel___abstractmetamodel___MMModule___has_global_class_named(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
@@ -1810,13 +2027,13 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(va
     REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 300);
+      nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 309);
     }
     fra.me.REG[3] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0]);
     REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 300);
+      nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 309);
     }
     fra.me.REG[4] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
     fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMModule___location(fra.me.REG[4])(fra.me.REG[4]);
@@ -1825,7 +2042,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(va
     if (!once_value_1) {
       fra.me.REG[6] = BOX_NativeString("Missing necessary class: \"");
       REGB0 = TAG_Int(26);
-      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;
@@ -1836,30 +2053,31 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_instantiated_type_by_name(va
     if (!once_value_2) {
       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_2 = fra.me.REG[6];
       register_static_object(&once_value_2);
     } else fra.me.REG[6] = once_value_2;
     fra.me.REG[6] = fra.me.REG[6];
     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
     fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-    CALL_mmloader___ToolContext___fatal_error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4], fra.me.REG[5]);
+    CALL_toolcontext___ToolContext___fatal_error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4], fra.me.REG[5]);
   }
-  /* ./syntax//syntax_base.nit:301 */
+  /* syntax/syntax_base.nit:310 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 301);
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 310);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
   fra.me.REG[1] = CALL_metamodel___abstractmetamodel___MMModule___class_by_name(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:302 */
+  /* syntax/syntax_base.nit:311 */
   fra.me.REG[2] = CALL_metamodel___genericity___MMLocalClass___get_instantiate_type(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   goto label3;
   label3: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_object[] = "syntax_base::AbsSyntaxVisitor::type_object";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_object(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1868,24 +2086,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_object(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 305;
+  fra.me.line = 314;
   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;
-  /* ./syntax//syntax_base.nit:308 */
+  /* syntax/syntax_base.nit:317 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("Object");
       REGB0 = TAG_Int(6);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -1896,6 +2115,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_object(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_bool[] = "syntax_base::AbsSyntaxVisitor::type_bool";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_bool(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1904,24 +2124,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_bool(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 311;
+  fra.me.line = 320;
   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;
-  /* ./syntax//syntax_base.nit:314 */
+  /* syntax/syntax_base.nit:323 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("Bool");
       REGB0 = TAG_Int(4);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -1932,6 +2153,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_bool(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_int[] = "syntax_base::AbsSyntaxVisitor::type_int";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_int(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1940,24 +2162,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_int(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 317;
+  fra.me.line = 326;
   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;
-  /* ./syntax//syntax_base.nit:320 */
+  /* syntax/syntax_base.nit:329 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("Int");
       REGB0 = TAG_Int(3);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -1968,6 +2191,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_int(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_float[] = "syntax_base::AbsSyntaxVisitor::type_float";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_float(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1976,24 +2200,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_float(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 323;
+  fra.me.line = 332;
   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;
-  /* ./syntax//syntax_base.nit:326 */
+  /* syntax/syntax_base.nit:335 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("Float");
       REGB0 = TAG_Int(5);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -2004,6 +2229,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_float(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_char[] = "syntax_base::AbsSyntaxVisitor::type_char";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_char(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -2012,24 +2238,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_char(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 329;
+  fra.me.line = 338;
   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;
-  /* ./syntax//syntax_base.nit:332 */
+  /* syntax/syntax_base.nit:341 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("Char");
       REGB0 = TAG_Int(4);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -2040,6 +2267,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_char(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_string[] = "syntax_base::AbsSyntaxVisitor::type_string";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_string(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -2048,24 +2276,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_string(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 335;
+  fra.me.line = 344;
   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;
-  /* ./syntax//syntax_base.nit:338 */
+  /* syntax/syntax_base.nit:347 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("String");
       REGB0 = TAG_Int(6);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -2076,6 +2305,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_string(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_nativestring[] = "syntax_base::AbsSyntaxVisitor::type_nativestring";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_nativestring(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -2084,24 +2314,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_nativestring(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 341;
+  fra.me.line = 350;
   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;
-  /* ./syntax//syntax_base.nit:344 */
+  /* syntax/syntax_base.nit:353 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("NativeString");
       REGB0 = TAG_Int(12);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -2112,6 +2343,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_nativestring(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_array[] = "syntax_base::AbsSyntaxVisitor::type_array";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_array(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2120,27 +2352,28 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_array(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___syntax_base;
-  fra.me.line = 347;
+  fra.me.line = 356;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:350 */
+  /* syntax/syntax_base.nit:359 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[2] = BOX_NativeString("Array");
       REGB0 = TAG_Int(5);
-      fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+      fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
       once_value_2 = fra.me.REG[2];
       register_static_object(&once_value_2);
     } else fra.me.REG[2] = once_value_2;
     fra.me.REG[2] = fra.me.REG[2];
-    fra.me.REG[2] = CALL_standard___symbol___String___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_symbol___String___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
     once_value_1 = fra.me.REG[2];
     register_static_object(&once_value_1);
   } else fra.me.REG[2] = once_value_1;
@@ -2154,6 +2387,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_array(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[3];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_discrete[] = "syntax_base::AbsSyntaxVisitor::type_discrete";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_discrete(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -2162,24 +2396,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_discrete(val_t p0){
     static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 353;
+  fra.me.line = 362;
   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;
-  /* ./syntax//syntax_base.nit:356 */
+  /* syntax/syntax_base.nit:365 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[1] = BOX_NativeString("Discrete");
       REGB0 = TAG_Int(8);
-      fra.me.REG[1] = NEW_String_standard___string___String___with_native(fra.me.REG[1], REGB0);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
       once_value_2 = fra.me.REG[1];
       register_static_object(&once_value_2);
     } else fra.me.REG[1] = once_value_2;
     fra.me.REG[1] = fra.me.REG[1];
-    fra.me.REG[1] = CALL_standard___symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
     once_value_1 = fra.me.REG[1];
     register_static_object(&once_value_1);
   } else fra.me.REG[1] = once_value_1;
@@ -2190,6 +2425,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_discrete(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_range[] = "syntax_base::AbsSyntaxVisitor::type_range";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_range(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2198,27 +2434,28 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_range(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___syntax_base;
-  fra.me.line = 359;
+  fra.me.line = 368;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:362 */
+  /* syntax/syntax_base.nit:371 */
   if (!once_value_1) {
     if (!once_value_2) {
       fra.me.REG[2] = BOX_NativeString("Range");
       REGB0 = TAG_Int(5);
-      fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+      fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
       once_value_2 = fra.me.REG[2];
       register_static_object(&once_value_2);
     } else fra.me.REG[2] = once_value_2;
     fra.me.REG[2] = fra.me.REG[2];
-    fra.me.REG[2] = CALL_standard___symbol___String___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_symbol___String___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
     once_value_1 = fra.me.REG[2];
     register_static_object(&once_value_1);
   } else fra.me.REG[2] = once_value_1;
@@ -2232,23 +2469,25 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_range(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[3];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___type_none[] = "syntax_base::AbsSyntaxVisitor::type_none";
 val_t syntax___syntax_base___AbsSyntaxVisitor___type_none(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___syntax_base;
-  fra.me.line = 365;
+  fra.me.line = 374;
   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:368 */
+  /* syntax/syntax_base.nit:377 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 368);
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 377);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
   fra.me.REG[0] = CALL_metamodel___static_type___MMModule___type_none(fra.me.REG[0])(fra.me.REG[0]);
@@ -2257,6 +2496,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___type_none(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___get_method[] = "syntax_base::AbsSyntaxVisitor::get_method";
 val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -2266,10 +2506,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
     static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 371;
+  fra.me.line = 380;
   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;
@@ -2279,19 +2520,19 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:373 */
+  /* syntax/syntax_base.nit:382 */
   fra.me.REG[3] = CALL_metamodel___static_type___MMType___local_class(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = CALL_metamodel___abstractmetamodel___MMLocalClass___has_global_property_by_name(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:374 */
-    fra.me.REG[3] = CALL_parser___parser_prod___Visitor___current_node(fra.me.REG[0])(fra.me.REG[0]);
+    /* syntax/syntax_base.nit:383 */
+    fra.me.REG[3] = CALL_parser___parser_nodes___Visitor___current_node(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Int(5);
     fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
     if (!once_value_1) {
       fra.me.REG[5] = BOX_NativeString("Fatal Error: ");
       REGB0 = TAG_Int(13);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB0);
+      fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB0);
       once_value_1 = fra.me.REG[5];
       register_static_object(&once_value_1);
     } else fra.me.REG[5] = once_value_1;
@@ -2302,7 +2543,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
     if (!once_value_2) {
       fra.me.REG[5] = BOX_NativeString(" must have a property named ");
       REGB0 = TAG_Int(28);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB0);
+      fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB0);
       once_value_2 = fra.me.REG[5];
       register_static_object(&once_value_2);
     } else fra.me.REG[5] = once_value_2;
@@ -2313,7 +2554,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
     if (!once_value_3) {
       fra.me.REG[5] = BOX_NativeString(".");
       REGB0 = TAG_Int(1);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB0);
+      fra.me.REG[5] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[5])(fra.me.REG[5], REGB0);
       once_value_3 = fra.me.REG[5];
       register_static_object(&once_value_3);
     } else fra.me.REG[5] = once_value_3;
@@ -2322,7 +2563,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
     fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
     CALL_syntax___syntax_base___AbsSyntaxVisitor___fatal_error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[4]);
   }
-  /* ./syntax//syntax_base.nit:376 */
+  /* syntax/syntax_base.nit:385 */
   fra.me.REG[1] = CALL_metamodel___static_type___MMType___local_class(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalClass___select_method(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   goto label4;
@@ -2330,140 +2571,153 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___get_method(val_t p0, val_t p1, v
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___mmmodule[] = "syntax_base::AbsSyntaxVisitor::mmmodule";
 val_t syntax___syntax_base___AbsSyntaxVisitor___mmmodule(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 379;
+  fra.me.line = 388;
   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:379 */
+  /* syntax/syntax_base.nit:388 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 379);
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_syntax___syntax_base, 388);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_class[] = "syntax_base::AbsSyntaxVisitor::local_class";
 val_t syntax___syntax_base___AbsSyntaxVisitor___local_class(val_t p0){
   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___syntax_base;
-  fra.me.line = 382;
+  fra.me.line = 391;
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_class;
   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//syntax_base.nit:382 */
+  /* syntax/syntax_base.nit:391 */
   fra.me.REG[1] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:383 */
+  /* syntax/syntax_base.nit:392 */
   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, 383);
+    nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 392);
   }
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_class__eq[] = "syntax_base::AbsSyntaxVisitor::local_class=";
 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;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 384;
+  fra.me.line = 393;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:384 */
+  /* syntax/syntax_base.nit:393 */
   ATTR_syntax___syntax_base___AbsSyntaxVisitor____local_class(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_property[] = "syntax_base::AbsSyntaxVisitor::local_property";
 val_t syntax___syntax_base___AbsSyntaxVisitor___local_property(val_t p0){
   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___syntax_base;
-  fra.me.line = 386;
+  fra.me.line = 395;
   fra.me.meth = LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_property;
   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//syntax_base.nit:386 */
+  /* syntax/syntax_base.nit:395 */
   fra.me.REG[1] = fra.me.REG[0];
-  /* ./syntax//syntax_base.nit:387 */
+  /* syntax/syntax_base.nit:396 */
   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, 387);
+    nit_abort("Cast failed", NULL, LOCATE_syntax___syntax_base, 396);
   }
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___local_property__eq[] = "syntax_base::AbsSyntaxVisitor::local_property=";
 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;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 388;
+  fra.me.line = 397;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:388 */
+  /* syntax/syntax_base.nit:397 */
   ATTR_syntax___syntax_base___AbsSyntaxVisitor____local_property(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___tc[] = "syntax_base::AbsSyntaxVisitor::tc";
 val_t syntax___syntax_base___AbsSyntaxVisitor___tc(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___syntax_base;
-  fra.me.line = 390;
+  fra.me.line = 399;
   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:390 */
+  /* syntax/syntax_base.nit:399 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 390);
+    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 399);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___error[] = "syntax_base::AbsSyntaxVisitor::error";
 void syntax___syntax_base___AbsSyntaxVisitor___error(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2471,10 +2725,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___error(val_t p0, val_t p1, val_t p
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 393;
+  fra.me.line = 402;
   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;
@@ -2482,11 +2737,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___error(val_t p0, val_t p1, val_t p
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:396 */
+  /* syntax/syntax_base.nit:405 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 396);
+    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 405);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
@@ -2494,7 +2749,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___error(val_t p0, val_t p1, val_t p
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==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[1])(fra.me.REG[1], NIT_NULL);
@@ -2506,15 +2761,16 @@ void syntax___syntax_base___AbsSyntaxVisitor___error(val_t p0, val_t p1, val_t p
   } else {
     REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 396);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 405);
     }
     fra.me.REG[1] = CALL_parser___parser_nodes___ANode___hot_location(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[3] = fra.me.REG[1];
   }
-  CALL_mmloader___ToolContext___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+  CALL_toolcontext___ToolContext___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___fatal_error[] = "syntax_base::AbsSyntaxVisitor::fatal_error";
 void syntax___syntax_base___AbsSyntaxVisitor___fatal_error(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2522,10 +2778,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___fatal_error(val_t p0, val_t p1, v
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 399;
+  fra.me.line = 408;
   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;
@@ -2533,11 +2790,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___fatal_error(val_t p0, val_t p1, v
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:402 */
+  /* syntax/syntax_base.nit:411 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 402);
+    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 411);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
@@ -2545,7 +2802,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___fatal_error(val_t p0, val_t p1, v
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==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[1])(fra.me.REG[1], NIT_NULL);
@@ -2557,15 +2814,16 @@ void syntax___syntax_base___AbsSyntaxVisitor___fatal_error(val_t p0, val_t p1, v
   } else {
     REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 402);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 411);
     }
     fra.me.REG[1] = CALL_parser___parser_nodes___ANode___hot_location(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[3] = fra.me.REG[1];
   }
-  CALL_mmloader___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+  CALL_toolcontext___ToolContext___fatal_error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___warning[] = "syntax_base::AbsSyntaxVisitor::warning";
 void syntax___syntax_base___AbsSyntaxVisitor___warning(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2573,10 +2831,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___warning(val_t p0, val_t p1, val_t
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 405;
+  fra.me.line = 414;
   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;
@@ -2584,11 +2843,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___warning(val_t p0, val_t p1, val_t
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:408 */
+  /* syntax/syntax_base.nit:417 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 408);
+    nit_abort("Uninitialized attribute %s", "_tc", LOCATE_syntax___syntax_base, 417);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
@@ -2596,7 +2855,7 @@ void syntax___syntax_base___AbsSyntaxVisitor___warning(val_t p0, val_t p1, val_t
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==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[1])(fra.me.REG[1], NIT_NULL);
@@ -2608,15 +2867,16 @@ void syntax___syntax_base___AbsSyntaxVisitor___warning(val_t p0, val_t p1, val_t
   } else {
     REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 408);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 417);
     }
     fra.me.REG[1] = CALL_parser___parser_nodes___ANode___hot_location(fra.me.REG[1])(fra.me.REG[1]);
     fra.me.REG[3] = fra.me.REG[1];
   }
-  CALL_mmloader___ToolContext___warning(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+  CALL_toolcontext___ToolContext___warning(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform[] = "syntax_base::AbsSyntaxVisitor::check_conform";
 val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1, val_t p2, val_t p3){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -2628,10 +2888,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
   static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 411;
+  fra.me.line = 420;
   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;
@@ -2642,13 +2903,13 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
   fra.me.REG[3] = p3;
-  /* ./syntax//syntax_base.nit:414 */
+  /* syntax/syntax_base.nit:423 */
   REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
@@ -2656,14 +2917,14 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(true);
+    REGB0 = TAG_Bool(1);
   } else {
     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
       REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        REGB2 = TAG_Bool(false);
+        REGB2 = TAG_Bool(0);
         REGB1 = REGB2;
       } else {
         REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
@@ -2673,29 +2934,29 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
     REGB0 = REGB1;
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:415 */
-    REGB0 = TAG_Bool(false);
+    /* syntax/syntax_base.nit:424 */
+    REGB0 = TAG_Bool(0);
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:417 */
+  /* syntax/syntax_base.nit:426 */
   REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 417);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 426);
   }
   REGB1 = CALL_metamodel___static_type___MMType_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
   if (UNTAG_Bool(REGB1)) {
-    /* ./syntax//syntax_base.nit:418 */
-    REGB1 = TAG_Bool(true);
+    /* syntax/syntax_base.nit:427 */
+    REGB1 = TAG_Bool(1);
     REGB0 = REGB1;
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:420 */
+  /* syntax/syntax_base.nit:429 */
   REGB1 = TAG_Int(5);
   fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_2) {
     fra.me.REG[5] = BOX_NativeString("Type error: expected ");
     REGB1 = TAG_Int(21);
-    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_2 = fra.me.REG[5];
     register_static_object(&once_value_2);
   } else fra.me.REG[5] = once_value_2;
@@ -2706,7 +2967,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
   if (!once_value_3) {
     fra.me.REG[3] = BOX_NativeString(", got ");
     REGB1 = TAG_Int(6);
-    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
+    fra.me.REG[3] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[3])(fra.me.REG[3], REGB1);
     once_value_3 = fra.me.REG[3];
     register_static_object(&once_value_3);
   } else fra.me.REG[3] = once_value_3;
@@ -2717,7 +2978,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(val_t p0, val_t p1
   if (!once_value_4) {
     fra.me.REG[2] = BOX_NativeString("");
     REGB1 = TAG_Int(0);
-    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_4 = fra.me.REG[2];
     register_static_object(&once_value_4);
   } else fra.me.REG[2] = once_value_4;
@@ -2725,14 +2986,15 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform(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//syntax_base.nit:421 */
-  REGB1 = TAG_Bool(false);
+  /* syntax/syntax_base.nit:430 */
+  REGB1 = TAG_Bool(0);
   REGB0 = REGB1;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_expr[] = "syntax_base::AbsSyntaxVisitor::check_expr";
 val_t syntax___syntax_base___AbsSyntaxVisitor___check_expr(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2744,40 +3006,41 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_expr(val_t p0, val_t p1){
       static val_t once_value_4; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 424;
+  fra.me.line = 433;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:429 */
+  /* syntax/syntax_base.nit:438 */
   REGB0 = CALL_syntax___syntax_base___AExpr___is_typed(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:430 */
+    /* syntax/syntax_base.nit:439 */
     fra.me.REG[2] = CALL_syntax___syntax_base___AbsSyntaxVisitor___tc(fra.me.REG[0])(fra.me.REG[0]);
-    REGB0 = CALL_mmloader___ToolContext___error_count(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = CALL_toolcontext___ToolContext___error_count(fra.me.REG[2])(fra.me.REG[2]);
     REGB1 = TAG_Int(0);
     REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
     if (UNTAG_Bool(REGB2)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ../lib/standard/kernel.nit:237 */
       REGB1 = TAG_Bool((REGB0)==(REGB1));
-      /* ./syntax//syntax_base.nit:430 */
+      /* syntax/syntax_base.nit:439 */
       REGB2 = REGB1;
     }
     if (UNTAG_Bool(REGB2)) {
-      /* ./syntax//syntax_base.nit:431 */
+      /* syntax/syntax_base.nit:440 */
       REGB2 = TAG_Int(3);
       fra.me.REG[2] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
       if (!once_value_1) {
         fra.me.REG[3] = BOX_NativeString("");
         REGB2 = TAG_Int(0);
-        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB2);
+        fra.me.REG[3] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[3])(fra.me.REG[3], REGB2);
         once_value_1 = fra.me.REG[3];
         register_static_object(&once_value_1);
       } else fra.me.REG[3] = once_value_1;
@@ -2789,7 +3052,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_expr(val_t p0, val_t p1){
       if (!once_value_2) {
         fra.me.REG[3] = BOX_NativeString(" not typed but not error");
         REGB2 = TAG_Int(24);
-        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB2);
+        fra.me.REG[3] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[3])(fra.me.REG[3], REGB2);
         once_value_2 = fra.me.REG[3];
         register_static_object(&once_value_2);
       } else fra.me.REG[3] = once_value_2;
@@ -2797,40 +3060,41 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_expr(val_t p0, val_t p1){
       CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
       fra.me.REG[2] = CALL_standard___string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
       CALL_standard___file___Object___print(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
-      /* ./syntax//syntax_base.nit:432 */
-      nit_abort("Aborted", NULL, LOCATE_syntax___syntax_base, 432);
+      /* syntax/syntax_base.nit:441 */
+      nit_abort("Aborted", NULL, LOCATE_syntax___syntax_base, 441);
     }
-    /* ./syntax//syntax_base.nit:436 */
-    REGB2 = TAG_Bool(false);
+    /* syntax/syntax_base.nit:445 */
+    REGB2 = TAG_Bool(0);
     goto label3;
   } else {
-    /* ./syntax//syntax_base.nit:437 */
+    /* syntax/syntax_base.nit:446 */
     REGB1 = CALL_syntax___syntax_base___AExpr___is_statement(fra.me.REG[1])(fra.me.REG[1]);
     if (UNTAG_Bool(REGB1)) {
-      /* ./syntax//syntax_base.nit:438 */
+      /* syntax/syntax_base.nit:447 */
       if (!once_value_4) {
         fra.me.REG[2] = BOX_NativeString("Type error: expected expression.");
         REGB1 = TAG_Int(32);
-        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_4 = fra.me.REG[2];
         register_static_object(&once_value_4);
       } else fra.me.REG[2] = once_value_4;
       fra.me.REG[2] = fra.me.REG[2];
       CALL_syntax___syntax_base___AbsSyntaxVisitor___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
-      /* ./syntax//syntax_base.nit:439 */
-      REGB1 = TAG_Bool(false);
+      /* syntax/syntax_base.nit:448 */
+      REGB1 = TAG_Bool(0);
       REGB2 = REGB1;
       goto label3;
     }
   }
-  /* ./syntax//syntax_base.nit:441 */
-  REGB1 = TAG_Bool(true);
+  /* syntax/syntax_base.nit:450 */
+  REGB1 = TAG_Bool(1);
   REGB2 = REGB1;
   goto label3;
   label3: while(0);
   stack_frame_head = fra.me.prev;
   return REGB2;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr[] = "syntax_base::AbsSyntaxVisitor::check_conform_expr";
 val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -2838,10 +3102,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 444;
+  fra.me.line = 453;
   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;
@@ -2849,13 +3114,13 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:447 */
+  /* syntax/syntax_base.nit:456 */
   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);
@@ -2863,10 +3128,10 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(false);
+    REGB0 = TAG_Bool(0);
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:448 */
+  /* syntax/syntax_base.nit:457 */
   REGB1 = CALL_syntax___syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   if (UNTAG_Bool(REGB1)) {
     fra.me.REG[3] = CALL_syntax___syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
@@ -2874,7 +3139,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val
     REGB0 = REGB1;
     goto label1;
   } else {
-    REGB1 = TAG_Bool(false);
+    REGB1 = TAG_Bool(0);
     REGB0 = REGB1;
     goto label1;
   }
@@ -2882,6 +3147,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_expr(val_t p0, val
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr[] = "syntax_base::AbsSyntaxVisitor::check_conform_multiexpr";
 val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -2889,10 +3155,11 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 451;
+  fra.me.line = 460;
   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;
@@ -2901,20 +3168,20 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:463 */
+  /* syntax/syntax_base.nit:472 */
   fra.me.REG[3] = NIT_NULL;
   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[2])(fra.me.REG[2], (&(fra.me)), ((fun_t)OC_syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr_1));
   switch ((&(fra.me))->has_broke) {
     case 0: break;
     case 1: (&(fra.me))->has_broke = 0; goto label3;
   }
-  /* ./syntax//syntax_base.nit:477 */
+  /* syntax/syntax_base.nit:486 */
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
@@ -2924,14 +3191,14 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Assert failed", NULL, LOCATE_syntax___syntax_base, 477);
+    nit_abort("Assert failed", NULL, LOCATE_syntax___syntax_base, 486);
   }
   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[2])(fra.me.REG[2], (&(fra.me)), ((fun_t)OC_syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr_4));
   switch ((&(fra.me))->has_broke) {
     case 0: break;
     case 1: (&(fra.me))->has_broke = 0; goto label3;
   }
-  /* ./syntax//syntax_base.nit:488 */
+  /* syntax/syntax_base.nit:497 */
   fra.me.REG[4] = fra.me.REG[1];
   goto label3;
   label3: while(0);
@@ -2945,13 +3212,14 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     val_t REGB2;
     fun_t CREG[1];
     val_t tmp;
-    /* ./syntax//syntax_base.nit:464 */
+    /* syntax/syntax_base.nit:473 */
     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
     fra.me.file = LOCATE_syntax___syntax_base;
     fra.me.line = 0;
     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;
@@ -2959,7 +3227,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     fra.me.closure_funs = CREG;
     fra.me.REG[0] = p0;
     CREG[0] = clos_fun0;
-    /* ./syntax//syntax_base.nit:465 */
+    /* syntax/syntax_base.nit:474 */
     REGB0 = CALL_syntax___syntax_base___AbsSyntaxVisitor___check_expr(closctx->REG[0])(closctx->REG[0], fra.me.REG[0]);
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
     if (UNTAG_Bool(REGB0)) {
@@ -2967,15 +3235,15 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
       closctx->has_broke = 1;
       goto label2;
     }
-    /* ./syntax//syntax_base.nit:466 */
+    /* syntax/syntax_base.nit:475 */
     fra.me.REG[1] = CALL_syntax___syntax_base___AExpr___stype(fra.me.REG[0])(fra.me.REG[0]);
-    /* ./syntax//syntax_base.nit:467 */
+    /* syntax/syntax_base.nit:476 */
     REGB0 = TAG_Bool(closctx->REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(closctx->REG[1]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        REGB1 = TAG_Bool(false);
+        REGB1 = TAG_Bool(0);
         REGB0 = REGB1;
       } else {
         REGB1 = CALL_standard___kernel___Object_____eqeq(closctx->REG[1])(closctx->REG[1], NIT_NULL);
@@ -2986,42 +3254,42 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     if (UNTAG_Bool(REGB0)) {
       REGB0 = TAG_Bool(closctx->REG[1]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
-        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 467);
+        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 476);
       }
       REGB0 = CALL_metamodel___static_type___MMType___is_nullable(closctx->REG[1])(closctx->REG[1]);
       REGB1 = CALL_metamodel___static_type___MMType___is_nullable(fra.me.REG[1])(fra.me.REG[1]);
       REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
       if (UNTAG_Bool(REGB2)) {
       } else {
-        /* ./../lib/standard//kernel.nit:178 */
+        /* ../lib/standard/kernel.nit:199 */
         REGB1 = TAG_Bool((REGB0)==(REGB1));
-        /* ./syntax//syntax_base.nit:467 */
+        /* syntax/syntax_base.nit:476 */
         REGB2 = REGB1;
       }
       REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
     } else {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB2 = REGB1;
     }
     if (UNTAG_Bool(REGB2)) {
-      /* ./syntax//syntax_base.nit:469 */
+      /* syntax/syntax_base.nit:478 */
       REGB2 = TAG_Bool(closctx->REG[1]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 469);
+        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 478);
       }
       fra.me.REG[2] = CALL_metamodel___static_type___MMType___as_nullable(closctx->REG[1])(closctx->REG[1]);
       closctx->REG[1] = fra.me.REG[2];
-      /* ./syntax//syntax_base.nit:470 */
+      /* syntax/syntax_base.nit:479 */
       fra.me.REG[2] = CALL_metamodel___static_type___MMType___as_nullable(fra.me.REG[1])(fra.me.REG[1]);
       fra.me.REG[1] = fra.me.REG[2];
     }
-    /* ./syntax//syntax_base.nit:472 */
+    /* syntax/syntax_base.nit:481 */
     REGB2 = TAG_Bool(closctx->REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB2)) {
     } else {
       REGB1 = TAG_Bool(closctx->REG[1]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        REGB1 = TAG_Bool(false);
+        REGB1 = TAG_Bool(0);
         REGB2 = REGB1;
       } else {
         REGB1 = CALL_standard___kernel___Object_____eqeq(closctx->REG[1])(closctx->REG[1], NIT_NULL);
@@ -3029,19 +3297,19 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
       }
     }
     if (UNTAG_Bool(REGB2)) {
-      REGB2 = TAG_Bool(true);
+      REGB2 = TAG_Bool(1);
     } else {
       REGB1 = TAG_Bool(closctx->REG[1]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 472);
+        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 481);
       }
       REGB1 = CALL_metamodel___static_type___MMType_____l(closctx->REG[1])(closctx->REG[1], fra.me.REG[1]);
       REGB2 = REGB1;
     }
     if (UNTAG_Bool(REGB2)) {
-      /* ./syntax//syntax_base.nit:473 */
+      /* syntax/syntax_base.nit:482 */
       closctx->REG[1] = fra.me.REG[1];
-      /* ./syntax//syntax_base.nit:474 */
+      /* syntax/syntax_base.nit:483 */
       closctx->REG[3] = fra.me.REG[0];
     }
     label2: while(0);
@@ -3061,13 +3329,14 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         static val_t once_value_9; /* Once value */
         static val_t once_value_10; /* Once value */
         static val_t once_value_11; /* Once value */
-    /* ./syntax//syntax_base.nit:478 */
+    /* syntax/syntax_base.nit:487 */
     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
     fra.me.file = LOCATE_syntax___syntax_base;
     fra.me.line = 0;
     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;
@@ -3076,18 +3345,18 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     fra.me.closure_funs = CREG;
     fra.me.REG[0] = p0;
     CREG[0] = clos_fun0;
-    /* ./syntax//syntax_base.nit:479 */
+    /* syntax/syntax_base.nit:488 */
     fra.me.REG[1] = CALL_syntax___syntax_base___AExpr___stype(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = CALL_metamodel___static_type___MMType_____l(fra.me.REG[1])(fra.me.REG[1], closctx->REG[1]);
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//syntax_base.nit:480 */
+      /* syntax/syntax_base.nit:489 */
       REGB0 = TAG_Bool(closctx->REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
       } else {
         REGB1 = TAG_Bool(closctx->REG[3]==NIT_NULL);
         if (UNTAG_Bool(REGB1)) {
-          REGB1 = TAG_Bool(false);
+          REGB1 = TAG_Bool(0);
           REGB0 = REGB1;
         } else {
           REGB1 = CALL_standard___kernel___Object_____eqeq(closctx->REG[3])(closctx->REG[3], NIT_NULL);
@@ -3095,13 +3364,13 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         }
       }
       if (UNTAG_Bool(REGB0)) {
-        /* ./syntax//syntax_base.nit:481 */
+        /* syntax/syntax_base.nit:490 */
         REGB0 = TAG_Int(5);
         fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
         if (!once_value_5) {
           fra.me.REG[2] = BOX_NativeString("Type error: no most general type. Got ");
           REGB0 = TAG_Int(38);
-          fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+          fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
           once_value_5 = fra.me.REG[2];
           register_static_object(&once_value_5);
         } else fra.me.REG[2] = once_value_5;
@@ -3113,7 +3382,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         if (!once_value_6) {
           fra.me.REG[2] = BOX_NativeString(" and ");
           REGB0 = TAG_Int(5);
-          fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+          fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
           once_value_6 = fra.me.REG[2];
           register_static_object(&once_value_6);
         } else fra.me.REG[2] = once_value_6;
@@ -3124,7 +3393,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         if (!once_value_7) {
           fra.me.REG[2] = BOX_NativeString(".");
           REGB0 = TAG_Int(1);
-          fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+          fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
           once_value_7 = fra.me.REG[2];
           register_static_object(&once_value_7);
         } else fra.me.REG[2] = once_value_7;
@@ -3133,13 +3402,13 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
         CALL_syntax___syntax_base___AbsSyntaxVisitor___error(closctx->REG[0])(closctx->REG[0], fra.me.REG[0], fra.me.REG[1]);
       } else {
-        /* ./syntax//syntax_base.nit:483 */
+        /* syntax/syntax_base.nit:492 */
         REGB0 = TAG_Int(7);
         fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
         if (!once_value_8) {
           fra.me.REG[2] = BOX_NativeString("Type error: no most general type. Got ");
           REGB0 = TAG_Int(38);
-          fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+          fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
           once_value_8 = fra.me.REG[2];
           register_static_object(&once_value_8);
         } else fra.me.REG[2] = once_value_8;
@@ -3151,7 +3420,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         if (!once_value_9) {
           fra.me.REG[2] = BOX_NativeString(" and ");
           REGB0 = TAG_Int(5);
-          fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+          fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
           once_value_9 = fra.me.REG[2];
           register_static_object(&once_value_9);
         } else fra.me.REG[2] = once_value_9;
@@ -3162,7 +3431,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         if (!once_value_10) {
           fra.me.REG[2] = BOX_NativeString(" at ");
           REGB0 = TAG_Int(4);
-          fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+          fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
           once_value_10 = fra.me.REG[2];
           register_static_object(&once_value_10);
         } else fra.me.REG[2] = once_value_10;
@@ -3170,7 +3439,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
         REGB0 = TAG_Bool(closctx->REG[3]==NIT_NULL);
         if (UNTAG_Bool(REGB0)) {
-          nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 483);
+          nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 492);
         }
         fra.me.REG[2] = CALL_parser___parser_nodes___ANode___location(closctx->REG[3])(closctx->REG[3]);
         fra.me.REG[3] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
@@ -3179,7 +3448,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         if (!once_value_11) {
           fra.me.REG[3] = BOX_NativeString(".");
           REGB0 = TAG_Int(1);
-          fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB0);
+          fra.me.REG[3] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[3])(fra.me.REG[3], REGB0);
           once_value_11 = fra.me.REG[3];
           register_static_object(&once_value_11);
         } else fra.me.REG[3] = once_value_11;
@@ -3188,7 +3457,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
         fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
         CALL_syntax___syntax_base___AbsSyntaxVisitor___error(closctx->REG[0])(closctx->REG[0], fra.me.REG[0], fra.me.REG[1]);
       }
-      /* ./syntax//syntax_base.nit:485 */
+      /* syntax/syntax_base.nit:494 */
       closctx->REG[4] = NIT_NULL;
       closctx->has_broke = 1;
       goto label12;
@@ -3197,6 +3466,7 @@ val_t syntax___syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(val_t p0
     stack_frame_head = fra.me.prev;
     return;
   }
+static const char LOCATE_syntax___syntax_base___AbsSyntaxVisitor___init[] = "syntax_base::AbsSyntaxVisitor::init";
 void syntax___syntax_base___AbsSyntaxVisitor___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos14 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___syntax_base___AbsSyntaxVisitor].i;
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
@@ -3204,10 +3474,11 @@ void syntax___syntax_base___AbsSyntaxVisitor___init(val_t p0, val_t p1, val_t p2
   if (init_table[itpos14]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 491;
+  fra.me.line = 500;
   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;
@@ -3215,35 +3486,38 @@ void syntax___syntax_base___AbsSyntaxVisitor___init(val_t p0, val_t p1, val_t p2
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./syntax//syntax_base.nit:491 */
+  /* syntax/syntax_base.nit:500 */
   fra.me.REG[3] = fra.me.REG[0];
-  CALL_parser___parser_prod___Visitor___init(fra.me.REG[0])(fra.me.REG[0], init_table);
-  /* ./syntax//syntax_base.nit:493 */
+  CALL_parser___parser_nodes___Visitor___init(fra.me.REG[0])(fra.me.REG[0], init_table);
+  /* syntax/syntax_base.nit:502 */
   ATTR_syntax___syntax_base___AbsSyntaxVisitor____tc(fra.me.REG[3]) = fra.me.REG[1];
-  /* ./syntax//syntax_base.nit:494 */
+  /* syntax/syntax_base.nit:503 */
   ATTR_syntax___syntax_base___AbsSyntaxVisitor____mmmodule(fra.me.REG[3]) = fra.me.REG[2];
   stack_frame_head = fra.me.prev;
   init_table[itpos14] = 1;
   return;
 }
+static const char LOCATE_syntax___syntax_base___ANode___accept_abs_syntax_visitor[] = "syntax_base::ANode::accept_abs_syntax_visitor";
 void syntax___syntax_base___ANode___accept_abs_syntax_visitor(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 501;
+  fra.me.line = 510;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:501 */
-  CALL_parser___parser_prod___ANode___visit_all(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* syntax/syntax_base.nit:510 */
+  CALL_parser___parser_nodes___ANode___visit_all(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___Token___to_symbol[] = "syntax_base::Token::to_symbol";
 val_t syntax___syntax_base___Token___to_symbol(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -3251,23 +3525,24 @@ val_t syntax___syntax_base___Token___to_symbol(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 507;
+  fra.me.line = 516;
   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;
   fra.me.REG[0] = p0;
-  /* ./syntax//syntax_base.nit:511 */
+  /* syntax/syntax_base.nit:520 */
   fra.me.REG[1] = ATTR_syntax___syntax_base___Token____symbol_cache(fra.me.REG[0]);
-  /* ./syntax//syntax_base.nit:512 */
+  /* syntax/syntax_base.nit:521 */
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
@@ -3275,279 +3550,314 @@ val_t syntax___syntax_base___Token___to_symbol(val_t p0){
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:513 */
-    fra.me.REG[2] = CALL_parser___lexer___Token___text(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[2] = CALL_standard___symbol___String___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
+    /* syntax/syntax_base.nit:522 */
+    fra.me.REG[2] = CALL_parser___parser_nodes___Token___text(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[2] = CALL_symbol___String___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
     fra.me.REG[1] = fra.me.REG[2];
-    /* ./syntax//syntax_base.nit:514 */
+    /* syntax/syntax_base.nit:523 */
     ATTR_syntax___syntax_base___Token____symbol_cache(fra.me.REG[0]) = fra.me.REG[1];
   }
-  /* ./syntax//syntax_base.nit:516 */
+  /* syntax/syntax_base.nit:525 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_syntax___syntax_base___AClassdef___local_class[] = "syntax_base::AClassdef::local_class";
 val_t syntax___syntax_base___AClassdef___local_class(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___syntax_base;
-  fra.me.line = 521;
+  fra.me.line = 530;
   fra.me.meth = LOCATE_syntax___syntax_base___AClassdef___local_class;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:521 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 521);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AClassdef___next_node[] = "syntax_base::AClassdef::next_node";
 val_t syntax___syntax_base___AClassdef___next_node(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___syntax_base;
-  fra.me.line = 524;
+  fra.me.line = 533;
   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:524 */
+  /* syntax/syntax_base.nit:533 */
   fra.me.REG[0] = ATTR_syntax___syntax_base___AClassdef____next_node(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AClassdef___next_node__eq[] = "syntax_base::AClassdef::next_node=";
 void syntax___syntax_base___AClassdef___next_node__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 524;
+  fra.me.line = 533;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:524 */
+  /* syntax/syntax_base.nit:533 */
   ATTR_syntax___syntax_base___AClassdef____next_node(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___APropdef___self_var[] = "syntax_base::APropdef::self_var";
 val_t syntax___syntax_base___APropdef___self_var(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___syntax_base;
-  fra.me.line = 529;
+  fra.me.line = 538;
   fra.me.meth = LOCATE_syntax___syntax_base___APropdef___self_var;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:529 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 529);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAttrPropdef___prop[] = "syntax_base::AAttrPropdef::prop";
 val_t syntax___syntax_base___AAttrPropdef___prop(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___syntax_base;
-  fra.me.line = 534;
+  fra.me.line = 543;
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrPropdef___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:534 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 534);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAttrPropdef___readmethod[] = "syntax_base::AAttrPropdef::readmethod";
 val_t syntax___syntax_base___AAttrPropdef___readmethod(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___syntax_base;
-  fra.me.line = 537;
+  fra.me.line = 546;
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrPropdef___readmethod;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:537 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 537);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAttrPropdef___writemethod[] = "syntax_base::AAttrPropdef::writemethod";
 val_t syntax___syntax_base___AAttrPropdef___writemethod(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___syntax_base;
-  fra.me.line = 540;
+  fra.me.line = 549;
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrPropdef___writemethod;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:540 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 540);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AConcreteInitPropdef___super_init_calls[] = "syntax_base::AConcreteInitPropdef::super_init_calls";
 val_t syntax___syntax_base___AConcreteInitPropdef___super_init_calls(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___syntax_base;
-  fra.me.line = 545;
+  fra.me.line = 554;
   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:545 */
+  /* syntax/syntax_base.nit:554 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AConcreteInitPropdef____super_init_calls(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_super_init_calls", LOCATE_syntax___syntax_base, 545);
+    nit_abort("Uninitialized attribute %s", "_super_init_calls", LOCATE_syntax___syntax_base, 554);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AConcreteInitPropdef____super_init_calls(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AConcreteInitPropdef___explicit_super_init_calls[] = "syntax_base::AConcreteInitPropdef::explicit_super_init_calls";
 val_t syntax___syntax_base___AConcreteInitPropdef___explicit_super_init_calls(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___syntax_base;
-  fra.me.line = 546;
+  fra.me.line = 555;
   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:546 */
+  /* syntax/syntax_base.nit:555 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AConcreteInitPropdef____explicit_super_init_calls(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_explicit_super_init_calls", LOCATE_syntax___syntax_base, 546);
+    nit_abort("Uninitialized attribute %s", "_explicit_super_init_calls", LOCATE_syntax___syntax_base, 555);
   }
   fra.me.REG[0] = ATTR_syntax___syntax_base___AConcreteInitPropdef____explicit_super_init_calls(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AMethPropdef___method[] = "syntax_base::AMethPropdef::method";
 val_t syntax___syntax_base___AMethPropdef___method(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___syntax_base;
-  fra.me.line = 550;
+  fra.me.line = 559;
   fra.me.meth = LOCATE_syntax___syntax_base___AMethPropdef___method;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:550 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 550);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___ATypePropdef___prop[] = "syntax_base::ATypePropdef::prop";
 val_t syntax___syntax_base___ATypePropdef___prop(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___syntax_base;
-  fra.me.line = 555;
+  fra.me.line = 564;
   fra.me.meth = LOCATE_syntax___syntax_base___ATypePropdef___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:555 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 555);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AParam___position[] = "syntax_base::AParam::position";
 val_t syntax___syntax_base___AParam___position(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___syntax_base;
-  fra.me.line = 560;
+  fra.me.line = 569;
   fra.me.meth = LOCATE_syntax___syntax_base___AParam___position;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:560 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 560);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AParam___variable[] = "syntax_base::AParam::variable";
 val_t syntax___syntax_base___AParam___variable(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___syntax_base;
-  fra.me.line = 563;
+  fra.me.line = 572;
   fra.me.meth = LOCATE_syntax___syntax_base___AParam___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:563 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 563);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AClosureDecl___position[] = "syntax_base::AClosureDecl::position";
 val_t syntax___syntax_base___AClosureDecl___position(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___syntax_base;
-  fra.me.line = 568;
+  fra.me.line = 577;
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDecl___position;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:568 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 568);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AClosureDecl___variable[] = "syntax_base::AClosureDecl::variable";
 val_t syntax___syntax_base___AClosureDecl___variable(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___syntax_base;
-  fra.me.line = 571;
+  fra.me.line = 580;
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDecl___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:571 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 571);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AType___is_typed[] = "syntax_base::AType::is_typed";
 val_t syntax___syntax_base___AType___is_typed(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___syntax_base;
-  fra.me.line = 576;
+  fra.me.line = 585;
   fra.me.meth = LOCATE_syntax___syntax_base___AType___is_typed;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:576 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 576);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AType___stype[] = "syntax_base::AType::stype";
 val_t syntax___syntax_base___AType___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___syntax_base;
-  fra.me.line = 581;
+  fra.me.line = 590;
   fra.me.meth = LOCATE_syntax___syntax_base___AType___stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:581 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 581);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AType___get_local_class[] = "syntax_base::AType::get_local_class";
 val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
   val_t REGB0;
@@ -3560,10 +3870,11 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
     static val_t once_value_6; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 587;
+  fra.me.line = 596;
   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;
@@ -3574,31 +3885,31 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:592 */
+  /* syntax/syntax_base.nit:601 */
   fra.me.REG[2] = CALL_parser___parser_nodes___AType___n_id(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[2] = CALL_syntax___syntax_base___Token___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./syntax//syntax_base.nit:593 */
+  /* syntax/syntax_base.nit:602 */
   fra.me.REG[3] = CALL_syntax___syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:594 */
+  /* syntax/syntax_base.nit:603 */
   fra.me.REG[4] = CALL_syntax___syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:596 */
+  /* syntax/syntax_base.nit:605 */
   fra.me.REG[5] = CALL_syntax___syntax_base___MMSrcLocalClass___formal_dict(fra.me.REG[4])(fra.me.REG[4]);
   REGB0 = CALL_standard___collection___abstract_collection___MapRead___has_key(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(true);
+    REGB0 = TAG_Bool(1);
   } else {
     REGB1 = CALL_metamodel___abstractmetamodel___MMLocalClass___has_global_property_by_name(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
     REGB0 = REGB1;
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:597 */
+    /* syntax/syntax_base.nit:606 */
     fra.me.REG[4] = CALL_parser___parser_nodes___AType___n_id(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Int(3);
     fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
     if (!once_value_1) {
       fra.me.REG[6] = BOX_NativeString("Type error: ");
       REGB0 = TAG_Int(12);
-      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;
@@ -3609,7 +3920,7 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
     if (!once_value_2) {
       fra.me.REG[6] = BOX_NativeString(" is a formal type");
       REGB0 = TAG_Int(17);
-      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;
@@ -3617,25 +3928,25 @@ val_t syntax___syntax_base___AType___get_local_class(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]);
     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[1])(fra.me.REG[1], fra.me.REG[4], fra.me.REG[5]);
-    /* ./syntax//syntax_base.nit:598 */
-    REGB0 = TAG_Bool(true);
+    /* syntax/syntax_base.nit:607 */
+    REGB0 = TAG_Bool(1);
     ATTR_syntax___syntax_base___AType____stype_cached(fra.me.REG[0]) = REGB0;
-    /* ./syntax//syntax_base.nit:599 */
+    /* syntax/syntax_base.nit:608 */
     fra.me.REG[5] = NIT_NULL;
     goto label3;
   }
-  /* ./syntax//syntax_base.nit:602 */
+  /* syntax/syntax_base.nit:611 */
   REGB0 = CALL_metamodel___abstractmetamodel___MMModule___has_global_class_named(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:603 */
+    /* syntax/syntax_base.nit:612 */
     fra.me.REG[4] = CALL_parser___parser_nodes___AType___n_id(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_4) {
       fra.me.REG[7] = BOX_NativeString("Type error: class ");
       REGB0 = TAG_Int(18);
-      fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB0);
+      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;
@@ -3646,7 +3957,7 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
     if (!once_value_5) {
       fra.me.REG[7] = BOX_NativeString(" not found in module ");
       REGB0 = TAG_Int(21);
-      fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB0);
+      fra.me.REG[7] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[7])(fra.me.REG[7], REGB0);
       once_value_5 = fra.me.REG[7];
       register_static_object(&once_value_5);
     } else fra.me.REG[7] = once_value_5;
@@ -3657,7 +3968,7 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
     if (!once_value_6) {
       fra.me.REG[7] = BOX_NativeString(".");
       REGB0 = TAG_Int(1);
-      fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB0);
+      fra.me.REG[7] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[7])(fra.me.REG[7], REGB0);
       once_value_6 = fra.me.REG[7];
       register_static_object(&once_value_6);
     } else fra.me.REG[7] = once_value_6;
@@ -3665,25 +3976,26 @@ val_t syntax___syntax_base___AType___get_local_class(val_t p0, val_t p1){
     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[1])(fra.me.REG[1], fra.me.REG[4], fra.me.REG[6]);
-    /* ./syntax//syntax_base.nit:604 */
-    REGB0 = TAG_Bool(true);
+    /* syntax/syntax_base.nit:613 */
+    REGB0 = TAG_Bool(1);
     ATTR_syntax___syntax_base___AType____stype_cached(fra.me.REG[0]) = REGB0;
-    /* ./syntax//syntax_base.nit:605 */
+    /* syntax/syntax_base.nit:614 */
     fra.me.REG[5] = NIT_NULL;
     goto label3;
   }
-  /* ./syntax//syntax_base.nit:608 */
+  /* syntax/syntax_base.nit:617 */
   fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMModule___class_by_name(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
-  /* ./syntax//syntax_base.nit:609 */
+  /* syntax/syntax_base.nit:618 */
   fra.me.REG[6] = CALL_metamodel___abstractmetamodel___MMLocalClass___global(fra.me.REG[2])(fra.me.REG[2]);
   CALL_syntax___syntax_base___MMGlobalClass___check_visibility(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
-  /* ./syntax//syntax_base.nit:610 */
+  /* syntax/syntax_base.nit:619 */
   fra.me.REG[5] = fra.me.REG[2];
   goto label3;
   label3: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[5];
 }
+static const char LOCATE_syntax___syntax_base___AType___get_unchecked_stype[] = "syntax_base::AType::get_unchecked_stype";
 val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
   val_t REGB0;
@@ -3707,10 +4019,11 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         static val_t once_value_15; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 613;
+  fra.me.line = 622;
   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;
@@ -3721,32 +4034,32 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:619 */
+  /* syntax/syntax_base.nit:628 */
   REGB0 = TAG_Bool(ATTR_syntax___syntax_base___AType____stype_cached(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_stype_cached", LOCATE_syntax___syntax_base, 619);
+    nit_abort("Uninitialized attribute %s", "_stype_cached", LOCATE_syntax___syntax_base, 628);
   }
   REGB0 = ATTR_syntax___syntax_base___AType____stype_cached(fra.me.REG[0]);
   if (UNTAG_Bool(REGB0)) {
     fra.me.REG[2] = ATTR_syntax___syntax_base___AType____stype_cache(fra.me.REG[0]);
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:620 */
-  REGB0 = TAG_Bool(true);
+  /* syntax/syntax_base.nit:629 */
+  REGB0 = TAG_Bool(1);
   ATTR_syntax___syntax_base___AType____stype_cached(fra.me.REG[0]) = REGB0;
-  /* ./syntax//syntax_base.nit:622 */
+  /* syntax/syntax_base.nit:631 */
   fra.me.REG[3] = CALL_parser___parser_nodes___AType___n_id(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[3] = CALL_syntax___syntax_base___Token___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./syntax//syntax_base.nit:623 */
+  /* syntax/syntax_base.nit:632 */
   fra.me.REG[4] = CALL_syntax___syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:624 */
+  /* syntax/syntax_base.nit:633 */
   fra.me.REG[4] = CALL_syntax___syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[1])(fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:627 */
+  /* syntax/syntax_base.nit:636 */
   fra.me.REG[5] = CALL_syntax___syntax_base___MMSrcLocalClass___formal_dict(fra.me.REG[4])(fra.me.REG[4]);
   REGB0 = CALL_standard___collection___abstract_collection___MapRead___has_key(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
   if (UNTAG_Bool(REGB0)) {
-    /* ./syntax//syntax_base.nit:628 */
+    /* syntax/syntax_base.nit:637 */
     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);
@@ -3755,17 +4068,17 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     } else {
       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
     }
-    /* ./../lib/standard//kernel.nit:217 */
+    /* ../lib/standard/kernel.nit:244 */
     REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
-    /* ./syntax//syntax_base.nit:628 */
+    /* syntax/syntax_base.nit:637 */
     if (UNTAG_Bool(REGB1)) {
-      /* ./syntax//syntax_base.nit:629 */
+      /* syntax/syntax_base.nit:638 */
       REGB1 = TAG_Int(3);
       fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
       if (!once_value_2) {
         fra.me.REG[6] = BOX_NativeString("Type error: formal type ");
         REGB1 = TAG_Int(24);
-        fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+        fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB1);
         once_value_2 = fra.me.REG[6];
         register_static_object(&once_value_2);
       } else fra.me.REG[6] = once_value_2;
@@ -3776,7 +4089,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       if (!once_value_3) {
         fra.me.REG[6] = BOX_NativeString(" cannot have formal parameters.");
         REGB1 = TAG_Int(31);
-        fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+        fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB1);
         once_value_3 = fra.me.REG[6];
         register_static_object(&once_value_3);
       } else fra.me.REG[6] = once_value_3;
@@ -3784,21 +4097,21 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(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]);
       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[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
-      /* ./syntax//syntax_base.nit:630 */
+      /* syntax/syntax_base.nit:639 */
       fra.me.REG[2] = NIT_NULL;
       goto label1;
     }
-    /* ./syntax//syntax_base.nit:632 */
+    /* syntax/syntax_base.nit:641 */
     fra.me.REG[5] = CALL_syntax___syntax_base___MMSrcLocalClass___formal_dict(fra.me.REG[4])(fra.me.REG[4]);
     fra.me.REG[5] = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
-    /* ./syntax//syntax_base.nit:633 */
+    /* syntax/syntax_base.nit:642 */
     fra.me.REG[6] = CALL_parser___parser_nodes___AType___n_kwnullable(fra.me.REG[0])(fra.me.REG[0]);
     REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
       REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
-        REGB0 = TAG_Bool(false);
+        REGB0 = TAG_Bool(0);
         REGB1 = REGB0;
       } else {
         REGB0 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
@@ -3809,21 +4122,21 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     if (UNTAG_Bool(REGB1)) {
       REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 633);
+        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 642);
       }
       fra.me.REG[6] = CALL_metamodel___static_type___MMType___as_nullable(fra.me.REG[5])(fra.me.REG[5]);
       fra.me.REG[5] = fra.me.REG[6];
     }
-    /* ./syntax//syntax_base.nit:634 */
+    /* syntax/syntax_base.nit:643 */
     ATTR_syntax___syntax_base___AType____stype_cache(fra.me.REG[0]) = fra.me.REG[5];
-    /* ./syntax//syntax_base.nit:635 */
+    /* syntax/syntax_base.nit:644 */
     fra.me.REG[2] = fra.me.REG[5];
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:638 */
+  /* syntax/syntax_base.nit:647 */
   REGB1 = CALL_metamodel___abstractmetamodel___MMLocalClass___has_global_property_by_name(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
   if (UNTAG_Bool(REGB1)) {
-    /* ./syntax//syntax_base.nit:639 */
+    /* syntax/syntax_base.nit:648 */
     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);
@@ -3832,17 +4145,17 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     } else {
       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
     }
-    /* ./../lib/standard//kernel.nit:217 */
+    /* ../lib/standard/kernel.nit:244 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB0));
-    /* ./syntax//syntax_base.nit:639 */
+    /* syntax/syntax_base.nit:648 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//syntax_base.nit:640 */
+      /* syntax/syntax_base.nit:649 */
       REGB0 = TAG_Int(3);
       fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
       if (!once_value_4) {
         fra.me.REG[7] = BOX_NativeString("Type error: formal type ");
         REGB0 = TAG_Int(24);
-        fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB0);
+        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;
@@ -3853,7 +4166,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       if (!once_value_5) {
         fra.me.REG[7] = BOX_NativeString(" cannot have formal parameters.");
         REGB0 = TAG_Int(31);
-        fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB0);
+        fra.me.REG[7] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[7])(fra.me.REG[7], REGB0);
         once_value_5 = fra.me.REG[7];
         register_static_object(&once_value_5);
       } else fra.me.REG[7] = once_value_5;
@@ -3861,24 +4174,24 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       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[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[6]);
-      /* ./syntax//syntax_base.nit:641 */
+      /* syntax/syntax_base.nit:650 */
       fra.me.REG[2] = NIT_NULL;
       goto label1;
     }
-    /* ./syntax//syntax_base.nit:643 */
+    /* syntax/syntax_base.nit:652 */
     fra.me.REG[6] = CALL_metamodel___static_type___MMLocalClass___get_type(fra.me.REG[4])(fra.me.REG[4]);
     fra.me.REG[6] = CALL_metamodel___static_type___MMType___local_class(fra.me.REG[6])(fra.me.REG[6]);
     fra.me.REG[6] = CALL_metamodel___virtualtype___MMLocalClass___select_virtual_type(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
     fra.me.REG[4] = CALL_metamodel___static_type___MMLocalClass___get_type(fra.me.REG[4])(fra.me.REG[4]);
     fra.me.REG[4] = CALL_metamodel___virtualtype___MMTypeProperty___stype_for(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
     fra.me.REG[5] = fra.me.REG[4];
-    /* ./syntax//syntax_base.nit:644 */
+    /* syntax/syntax_base.nit:653 */
     REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[5]==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[5])(fra.me.REG[5], NIT_NULL);
@@ -3886,13 +4199,13 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       }
     }
     if (UNTAG_Bool(REGB0)) {
-      /* ./syntax//syntax_base.nit:645 */
+      /* syntax/syntax_base.nit:654 */
       REGB0 = TAG_Int(3);
       fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
       if (!once_value_6) {
         fra.me.REG[6] = BOX_NativeString("Type error: circular definition in formal type ");
         REGB0 = TAG_Int(47);
-        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_6 = fra.me.REG[6];
         register_static_object(&once_value_6);
       } else fra.me.REG[6] = once_value_6;
@@ -3903,7 +4216,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       if (!once_value_7) {
         fra.me.REG[3] = BOX_NativeString(".");
         REGB0 = TAG_Int(1);
-        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB0);
+        fra.me.REG[3] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[3])(fra.me.REG[3], REGB0);
         once_value_7 = fra.me.REG[3];
         register_static_object(&once_value_7);
       } else fra.me.REG[3] = once_value_7;
@@ -3911,18 +4224,18 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       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[0], fra.me.REG[4]);
-      /* ./syntax//syntax_base.nit:646 */
+      /* syntax/syntax_base.nit:655 */
       fra.me.REG[2] = NIT_NULL;
       goto label1;
     }
-    /* ./syntax//syntax_base.nit:648 */
+    /* syntax/syntax_base.nit:657 */
     fra.me.REG[4] = CALL_parser___parser_nodes___AType___n_kwnullable(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        REGB1 = TAG_Bool(false);
+        REGB1 = TAG_Bool(0);
         REGB0 = REGB1;
       } else {
         REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
@@ -3933,26 +4246,26 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     if (UNTAG_Bool(REGB0)) {
       REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
-        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 648);
+        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 657);
       }
       fra.me.REG[4] = CALL_metamodel___static_type___MMType___as_nullable(fra.me.REG[5])(fra.me.REG[5]);
       fra.me.REG[5] = fra.me.REG[4];
     }
-    /* ./syntax//syntax_base.nit:649 */
+    /* syntax/syntax_base.nit:658 */
     ATTR_syntax___syntax_base___AType____stype_cache(fra.me.REG[0]) = fra.me.REG[5];
-    /* ./syntax//syntax_base.nit:650 */
+    /* syntax/syntax_base.nit:659 */
     fra.me.REG[2] = fra.me.REG[5];
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:653 */
+  /* syntax/syntax_base.nit:662 */
   fra.me.REG[4] = CALL_syntax___syntax_base___AType___get_local_class(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:654 */
+  /* syntax/syntax_base.nit:663 */
   REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
+      REGB1 = TAG_Bool(0);
       REGB0 = REGB1;
     } else {
       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
@@ -3963,43 +4276,43 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
     fra.me.REG[2] = NIT_NULL;
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:656 */
+  /* syntax/syntax_base.nit:665 */
   fra.me.REG[3] = 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[3])(fra.me.REG[3]);
-  /* ./syntax//syntax_base.nit:657 */
+  /* syntax/syntax_base.nit:666 */
   REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 657);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 666);
   }
   REGB1 = CALL_metamodel___abstractmetamodel___MMLocalClass___arity(fra.me.REG[4])(fra.me.REG[4]);
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB0));
   if (UNTAG_Bool(REGB2)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ../lib/standard/kernel.nit:237 */
     REGB1 = TAG_Bool((REGB1)==(REGB0));
-    /* ./syntax//syntax_base.nit:657 */
+    /* syntax/syntax_base.nit:666 */
     REGB2 = REGB1;
   }
   REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
   if (UNTAG_Bool(REGB2)) {
-    /* ./syntax//syntax_base.nit:658 */
+    /* syntax/syntax_base.nit:667 */
     REGB2 = TAG_Int(0);
     REGB1 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
     if (UNTAG_Bool(REGB1)) {
     } else {
-      /* ./../lib/standard//kernel.nit:210 */
+      /* ../lib/standard/kernel.nit:237 */
       REGB2 = TAG_Bool((REGB0)==(REGB2));
-      /* ./syntax//syntax_base.nit:658 */
+      /* syntax/syntax_base.nit:667 */
       REGB1 = REGB2;
     }
     if (UNTAG_Bool(REGB1)) {
-      /* ./syntax//syntax_base.nit:659 */
+      /* syntax/syntax_base.nit:668 */
       REGB1 = TAG_Int(3);
       fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
       if (!once_value_8) {
         fra.me.REG[6] = BOX_NativeString("Type error: '");
         REGB1 = TAG_Int(13);
-        fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+        fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB1);
         once_value_8 = fra.me.REG[6];
         register_static_object(&once_value_8);
       } else fra.me.REG[6] = once_value_8;
@@ -4010,7 +4323,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       if (!once_value_9) {
         fra.me.REG[6] = BOX_NativeString("' is a generic class.");
         REGB1 = TAG_Int(21);
-        fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+        fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB1);
         once_value_9 = fra.me.REG[6];
         register_static_object(&once_value_9);
       } else fra.me.REG[6] = once_value_9;
@@ -4019,29 +4332,29 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
       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[0], fra.me.REG[3]);
     } else {
-      /* ./syntax//syntax_base.nit:660 */
+      /* syntax/syntax_base.nit:669 */
       REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 660);
+        nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 669);
       }
       REGB1 = CALL_metamodel___abstractmetamodel___MMLocalClass___arity(fra.me.REG[4])(fra.me.REG[4]);
       REGB2 = TAG_Int(0);
       REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
       if (UNTAG_Bool(REGB3)) {
       } else {
-        /* ./../lib/standard//kernel.nit:210 */
+        /* ../lib/standard/kernel.nit:237 */
         REGB2 = TAG_Bool((REGB1)==(REGB2));
-        /* ./syntax//syntax_base.nit:660 */
+        /* syntax/syntax_base.nit:669 */
         REGB3 = REGB2;
       }
       if (UNTAG_Bool(REGB3)) {
-        /* ./syntax//syntax_base.nit:661 */
+        /* syntax/syntax_base.nit:670 */
         REGB3 = TAG_Int(3);
         fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB3);
         if (!once_value_10) {
           fra.me.REG[6] = BOX_NativeString("Type error: '");
           REGB3 = TAG_Int(13);
-          fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB3);
+          fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB3);
           once_value_10 = fra.me.REG[6];
           register_static_object(&once_value_10);
         } else fra.me.REG[6] = once_value_10;
@@ -4052,7 +4365,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         if (!once_value_11) {
           fra.me.REG[6] = BOX_NativeString("' is not a generic class.");
           REGB3 = TAG_Int(25);
-          fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB3);
+          fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB3);
           once_value_11 = fra.me.REG[6];
           register_static_object(&once_value_11);
         } else fra.me.REG[6] = once_value_11;
@@ -4061,13 +4374,13 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         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[0], fra.me.REG[3]);
       } else {
-        /* ./syntax//syntax_base.nit:663 */
+        /* syntax/syntax_base.nit:672 */
         REGB3 = TAG_Int(7);
         fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB3);
         if (!once_value_12) {
           fra.me.REG[6] = BOX_NativeString("Type error: '");
           REGB3 = TAG_Int(13);
-          fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB3);
+          fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB3);
           once_value_12 = fra.me.REG[6];
           register_static_object(&once_value_12);
         } else fra.me.REG[6] = once_value_12;
@@ -4078,7 +4391,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         if (!once_value_13) {
           fra.me.REG[6] = BOX_NativeString("' has ");
           REGB3 = TAG_Int(6);
-          fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB3);
+          fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB3);
           once_value_13 = fra.me.REG[6];
           register_static_object(&once_value_13);
         } else fra.me.REG[6] = once_value_13;
@@ -4086,7 +4399,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
         REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
         if (UNTAG_Bool(REGB3)) {
-          nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 663);
+          nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 672);
         }
         REGB3 = CALL_metamodel___abstractmetamodel___MMLocalClass___arity(fra.me.REG[4])(fra.me.REG[4]);
         fra.me.REG[6] = CALL_standard___string___Object___to_s(REGB3)(REGB3);
@@ -4094,7 +4407,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         if (!once_value_14) {
           fra.me.REG[6] = BOX_NativeString(" parameters (");
           REGB3 = TAG_Int(13);
-          fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB3);
+          fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB3);
           once_value_14 = fra.me.REG[6];
           register_static_object(&once_value_14);
         } else fra.me.REG[6] = once_value_14;
@@ -4105,7 +4418,7 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         if (!once_value_15) {
           fra.me.REG[6] = BOX_NativeString(" are provided).");
           REGB3 = TAG_Int(15);
-          fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB3);
+          fra.me.REG[6] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[6])(fra.me.REG[6], REGB3);
           once_value_15 = fra.me.REG[6];
           register_static_object(&once_value_15);
         } else fra.me.REG[6] = once_value_15;
@@ -4115,54 +4428,54 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(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//syntax_base.nit:665 */
+    /* syntax/syntax_base.nit:674 */
     fra.me.REG[2] = NIT_NULL;
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:668 */
+  /* syntax/syntax_base.nit:677 */
   REGB3 = TAG_Int(0);
   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:217 */
+  /* ../lib/standard/kernel.nit:244 */
   REGB3 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB3));
-  /* ./syntax//syntax_base.nit:668 */
+  /* syntax/syntax_base.nit:677 */
   if (UNTAG_Bool(REGB3)) {
-    /* ./syntax//syntax_base.nit:669 */
+    /* syntax/syntax_base.nit:678 */
     fra.me.REG[3] = NEW_Array_standard___collection___array___Array___init();
-    /* ./syntax//syntax_base.nit:670 */
+    /* syntax/syntax_base.nit:679 */
     fra.me.REG[6] = CALL_parser___parser_nodes___AType___n_types(fra.me.REG[0])(fra.me.REG[0]);
     CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[6])(fra.me.REG[6], (&(fra.me)), ((fun_t)OC_syntax___syntax_base___AType___get_unchecked_stype_16));
     switch ((&(fra.me))->has_broke) {
       case 0: break;
       case 1: (&(fra.me))->has_broke = 0; goto label1;
     }
-    /* ./syntax//syntax_base.nit:675 */
+    /* syntax/syntax_base.nit:684 */
     REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     if (UNTAG_Bool(REGB3)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 675);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 684);
     }
     fra.me.REG[3] = CALL_metamodel___genericity___MMLocalClass___get_instantiate_type(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
     fra.me.REG[5] = fra.me.REG[3];
   } else {
-    /* ./syntax//syntax_base.nit:677 */
+    /* syntax/syntax_base.nit:686 */
     REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     if (UNTAG_Bool(REGB3)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 677);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 686);
     }
     fra.me.REG[4] = CALL_metamodel___static_type___MMLocalClass___get_type(fra.me.REG[4])(fra.me.REG[4]);
     fra.me.REG[5] = fra.me.REG[4];
   }
-  /* ./syntax//syntax_base.nit:679 */
+  /* syntax/syntax_base.nit:688 */
   fra.me.REG[4] = CALL_parser___parser_nodes___AType___n_kwnullable(fra.me.REG[0])(fra.me.REG[0]);
   REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
   if (UNTAG_Bool(REGB3)) {
   } else {
     REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      REGB0 = TAG_Bool(false);
+      REGB0 = TAG_Bool(0);
       REGB3 = REGB0;
     } else {
       REGB0 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
@@ -4173,14 +4486,14 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
   if (UNTAG_Bool(REGB3)) {
     REGB3 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
     if (UNTAG_Bool(REGB3)) {
-      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 679);
+      nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 688);
     }
     fra.me.REG[4] = CALL_metamodel___static_type___MMType___as_nullable(fra.me.REG[5])(fra.me.REG[5]);
     fra.me.REG[5] = fra.me.REG[4];
   }
-  /* ./syntax//syntax_base.nit:680 */
+  /* syntax/syntax_base.nit:689 */
   ATTR_syntax___syntax_base___AType____stype_cache(fra.me.REG[0]) = fra.me.REG[5];
-  /* ./syntax//syntax_base.nit:681 */
+  /* syntax/syntax_base.nit:690 */
   fra.me.REG[2] = fra.me.REG[5];
   goto label1;
   label1: while(0);
@@ -4199,20 +4512,21 @@ 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;
       fra.me.REG[0] = p0;
       CREG[0] = clos_fun0;
-      /* ./syntax//syntax_base.nit:671 */
+      /* syntax/syntax_base.nit:680 */
       fra.me.REG[0] = CALL_syntax___syntax_base___AType___get_unchecked_stype(fra.me.REG[0])(fra.me.REG[0], closctx->REG[1]);
-      /* ./syntax//syntax_base.nit:672 */
+      /* syntax/syntax_base.nit:681 */
       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);
@@ -4224,12 +4538,13 @@ val_t syntax___syntax_base___AType___get_unchecked_stype(val_t p0, val_t p1){
         closctx->has_broke = 1;
         goto label17;
       }
-      /* ./syntax//syntax_base.nit:673 */
+      /* syntax/syntax_base.nit:682 */
       CALL_standard___collection___abstract_collection___SimpleCollection___add(closctx->REG[3])(closctx->REG[3], fra.me.REG[0]);
       label17: while(0);
       stack_frame_head = fra.me.prev;
       return;
     }
+static const char LOCATE_syntax___syntax_base___AType___get_stype[] = "syntax_base::AType::get_stype";
 val_t syntax___syntax_base___AType___get_stype(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -4237,25 +4552,26 @@ val_t syntax___syntax_base___AType___get_stype(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___syntax_base;
-  fra.me.line = 684;
+  fra.me.line = 693;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:688 */
+  /* syntax/syntax_base.nit:697 */
   fra.me.REG[2] = CALL_syntax___syntax_base___AType___get_unchecked_stype(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:689 */
+  /* syntax/syntax_base.nit:698 */
   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);
@@ -4266,10 +4582,10 @@ val_t syntax___syntax_base___AType___get_stype(val_t p0, val_t p1){
     fra.me.REG[3] = NIT_NULL;
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:690 */
+  /* syntax/syntax_base.nit:699 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 690);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 699);
   }
   REGB0 = CALL_metamodel___static_type___MMType___is_valid(fra.me.REG[2])(fra.me.REG[2]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -4277,15 +4593,16 @@ val_t syntax___syntax_base___AType___get_stype(val_t p0, val_t p1){
     fra.me.REG[3] = NIT_NULL;
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:691 */
+  /* syntax/syntax_base.nit:700 */
   CALL_syntax___syntax_base___AType___check_conform(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:692 */
+  /* syntax/syntax_base.nit:701 */
   fra.me.REG[3] = fra.me.REG[2];
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[3];
 }
+static const char LOCATE_syntax___syntax_base___AType___check_conform[] = "syntax_base::AType::check_conform";
 void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
   val_t REGB0;
@@ -4294,10 +4611,11 @@ void syntax___syntax_base___AType___check_conform(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___syntax_base;
-  fra.me.line = 695;
+  fra.me.line = 704;
   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;
@@ -4308,15 +4626,15 @@ void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:700 */
+  /* syntax/syntax_base.nit:709 */
   fra.me.REG[2] = CALL_syntax___syntax_base___AType___get_unchecked_stype(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./syntax//syntax_base.nit:701 */
+  /* syntax/syntax_base.nit:710 */
   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);
@@ -4326,69 +4644,69 @@ void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
   if (UNTAG_Bool(REGB0)) {
     goto label1;
   }
-  /* ./syntax//syntax_base.nit:702 */
+  /* syntax/syntax_base.nit:711 */
   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 702);
+    nit_abort("Reciever is null", NULL, LOCATE_syntax___syntax_base, 711);
   }
   fra.me.REG[3] = CALL_metamodel___static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./syntax//syntax_base.nit:703 */
+  /* syntax/syntax_base.nit:712 */
   fra.me.REG[4] = 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[4])(fra.me.REG[4]);
-  /* ./syntax//syntax_base.nit:704 */
+  /* syntax/syntax_base.nit:713 */
   REGB1 = TAG_Int(0);
   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:217 */
+  /* ../lib/standard/kernel.nit:244 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
-  /* ./syntax//syntax_base.nit:704 */
+  /* syntax/syntax_base.nit:713 */
   if (UNTAG_Bool(REGB1)) {
-    /* ./syntax//syntax_base.nit:705 */
+    /* syntax/syntax_base.nit:714 */
     REGB1 = TAG_Int(0);
-    /* ./../lib/standard//kernel.nit:335 */
+    /* ../lib/standard/kernel.nit:404 */
     while(1) {
       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:215 */
+      /* ../lib/standard/kernel.nit:242 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-      /* ./../lib/standard//kernel.nit:335 */
+      /* ../lib/standard/kernel.nit:404 */
       if (UNTAG_Bool(REGB2)) {
-        /* ./syntax//syntax_base.nit:705 */
+        /* syntax/syntax_base.nit:714 */
         REGB2 = REGB1;
-        /* ./syntax//syntax_base.nit:706 */
+        /* 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___SequenceRead_____bra(fra.me.REG[4])(fra.me.REG[4], REGB2);
-        /* ./syntax//syntax_base.nit:707 */
+        /* 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:708 */
+        /* syntax/syntax_base.nit:717 */
         fra.me.REG[6] = CALL_metamodel___genericity___MMLocalClass___get_formal(fra.me.REG[3])(fra.me.REG[3], REGB2);
-        /* ./syntax//syntax_base.nit:709 */
+        /* syntax/syntax_base.nit:718 */
         REGB2 = CALL_metamodel___static_type___MMType___is_valid(fra.me.REG[6])(fra.me.REG[6]);
         REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
         if (UNTAG_Bool(REGB2)) {
           goto label1;
         }
-        /* ./syntax//syntax_base.nit:710 */
+        /* syntax/syntax_base.nit:719 */
         fra.me.REG[6] = CALL_metamodel___type_formal___MMTypeFormal___bound(fra.me.REG[6])(fra.me.REG[6]);
-        /* ./syntax//syntax_base.nit:711 */
+        /* syntax/syntax_base.nit:720 */
         fra.me.REG[7] = CALL_metamodel___static_type___MMType___adapt_to(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
         fra.me.REG[6] = fra.me.REG[7];
-        /* ./syntax//syntax_base.nit:712 */
+        /* 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:406 */
         REGB2 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:245 */
         REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-        /* ./../lib/standard//kernel.nit:337 */
+        /* ../lib/standard/kernel.nit:406 */
         REGB1 = REGB2;
       } else {
-        /* ./../lib/standard//kernel.nit:335 */
+        /* ../lib/standard/kernel.nit:404 */
         goto label2;
       }
     }
@@ -4398,331 +4716,398 @@ void syntax___syntax_base___AType___check_conform(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AExpr___is_typed[] = "syntax_base::AExpr::is_typed";
 val_t syntax___syntax_base___AExpr___is_typed(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___syntax_base;
-  fra.me.line = 719;
+  fra.me.line = 728;
   fra.me.meth = LOCATE_syntax___syntax_base___AExpr___is_typed;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:719 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 719);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AExpr___is_statement[] = "syntax_base::AExpr::is_statement";
 val_t syntax___syntax_base___AExpr___is_statement(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___syntax_base;
-  fra.me.line = 724;
+  fra.me.line = 733;
   fra.me.meth = LOCATE_syntax___syntax_base___AExpr___is_statement;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:724 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 724);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AExpr___stype[] = "syntax_base::AExpr::stype";
 val_t syntax___syntax_base___AExpr___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___syntax_base;
-  fra.me.line = 728;
+  fra.me.line = 737;
   fra.me.meth = LOCATE_syntax___syntax_base___AExpr___stype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:728 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 728);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAbsAbsSendExpr___prop_signature[] = "syntax_base::AAbsAbsSendExpr::prop_signature";
 val_t syntax___syntax_base___AAbsAbsSendExpr___prop_signature(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___syntax_base;
-  fra.me.line = 735;
+  fra.me.line = 744;
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsAbsSendExpr___prop_signature;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:735 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 735);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAbsAbsSendExpr___raw_arguments[] = "syntax_base::AAbsAbsSendExpr::raw_arguments";
 val_t syntax___syntax_base___AAbsAbsSendExpr___raw_arguments(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___syntax_base;
-  fra.me.line = 738;
+  fra.me.line = 747;
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsAbsSendExpr___raw_arguments;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:738 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 738);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAbsSendExpr___prop[] = "syntax_base::AAbsSendExpr::prop";
 val_t syntax___syntax_base___AAbsSendExpr___prop(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___syntax_base;
-  fra.me.line = 744;
+  fra.me.line = 753;
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsSendExpr___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:744 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 744);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAbsSendExpr___return_type[] = "syntax_base::AAbsSendExpr::return_type";
 val_t syntax___syntax_base___AAbsSendExpr___return_type(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___syntax_base;
-  fra.me.line = 747;
+  fra.me.line = 756;
   fra.me.meth = LOCATE_syntax___syntax_base___AAbsSendExpr___return_type;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:747 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 747);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___ASuperExpr___init_in_superclass[] = "syntax_base::ASuperExpr::init_in_superclass";
 val_t syntax___syntax_base___ASuperExpr___init_in_superclass(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___syntax_base;
-  fra.me.line = 757;
+  fra.me.line = 766;
   fra.me.meth = LOCATE_syntax___syntax_base___ASuperExpr___init_in_superclass;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:757 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 757);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___ASendExpr___closure_defs[] = "syntax_base::ASendExpr::closure_defs";
 val_t syntax___syntax_base___ASendExpr___closure_defs(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___syntax_base;
-  fra.me.line = 766;
+  fra.me.line = 775;
   fra.me.meth = LOCATE_syntax___syntax_base___ASendExpr___closure_defs;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:766 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 766);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AReassignFormExpr___assign_method[] = "syntax_base::AReassignFormExpr::assign_method";
 val_t syntax___syntax_base___AReassignFormExpr___assign_method(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___syntax_base;
-  fra.me.line = 771;
+  fra.me.line = 780;
   fra.me.meth = LOCATE_syntax___syntax_base___AReassignFormExpr___assign_method;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:771 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 771);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___ASendReassignExpr___read_prop[] = "syntax_base::ASendReassignExpr::read_prop";
 val_t syntax___syntax_base___ASendReassignExpr___read_prop(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___syntax_base;
-  fra.me.line = 778;
+  fra.me.line = 787;
   fra.me.meth = LOCATE_syntax___syntax_base___ASendReassignExpr___read_prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:778 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 778);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAttrFormExpr___prop[] = "syntax_base::AAttrFormExpr::prop";
 val_t syntax___syntax_base___AAttrFormExpr___prop(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___syntax_base;
-  fra.me.line = 792;
+  fra.me.line = 801;
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrFormExpr___prop;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:792 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 792);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AAttrFormExpr___attr_type[] = "syntax_base::AAttrFormExpr::attr_type";
 val_t syntax___syntax_base___AAttrFormExpr___attr_type(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___syntax_base;
-  fra.me.line = 795;
+  fra.me.line = 804;
   fra.me.meth = LOCATE_syntax___syntax_base___AAttrFormExpr___attr_type;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:795 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 795);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___ASuperstringExpr___atype[] = "syntax_base::ASuperstringExpr::atype";
 val_t syntax___syntax_base___ASuperstringExpr___atype(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___syntax_base;
-  fra.me.line = 800;
+  fra.me.line = 809;
   fra.me.meth = LOCATE_syntax___syntax_base___ASuperstringExpr___atype;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:800 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 800);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AVardeclExpr___variable[] = "syntax_base::AVardeclExpr::variable";
 val_t syntax___syntax_base___AVardeclExpr___variable(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___syntax_base;
-  fra.me.line = 804;
+  fra.me.line = 813;
   fra.me.meth = LOCATE_syntax___syntax_base___AVardeclExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:804 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 804);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AForExpr___variables[] = "syntax_base::AForExpr::variables";
 val_t syntax___syntax_base___AForExpr___variables(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___syntax_base;
-  fra.me.line = 810;
+  fra.me.line = 819;
   fra.me.meth = LOCATE_syntax___syntax_base___AForExpr___variables;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:810 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 810);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___ASelfExpr___variable[] = "syntax_base::ASelfExpr::variable";
 val_t syntax___syntax_base___ASelfExpr___variable(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___syntax_base;
-  fra.me.line = 815;
+  fra.me.line = 824;
   fra.me.meth = LOCATE_syntax___syntax_base___ASelfExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:815 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 815);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AVarFormExpr___variable[] = "syntax_base::AVarFormExpr::variable";
 val_t syntax___syntax_base___AVarFormExpr___variable(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___syntax_base;
-  fra.me.line = 820;
+  fra.me.line = 829;
   fra.me.meth = LOCATE_syntax___syntax_base___AVarFormExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:820 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 820);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AClosureCallExpr___variable[] = "syntax_base::AClosureCallExpr::variable";
 val_t syntax___syntax_base___AClosureCallExpr___variable(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___syntax_base;
-  fra.me.line = 826;
+  fra.me.line = 835;
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureCallExpr___variable;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:826 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 826);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AClosureDef___closure[] = "syntax_base::AClosureDef::closure";
 val_t syntax___syntax_base___AClosureDef___closure(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___syntax_base;
-  fra.me.line = 831;
+  fra.me.line = 840;
   fra.me.meth = LOCATE_syntax___syntax_base___AClosureDef___closure;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:831 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 831);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AClosureDef___variables[] = "syntax_base::AClosureDef::variables";
 val_t syntax___syntax_base___AClosureDef___variables(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___syntax_base;
-  fra.me.line = 834;
+  fra.me.line = 843;
   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:834 */
+  /* syntax/syntax_base.nit:843 */
   fra.me.REG[0] = ATTR_syntax___syntax_base___AClosureDef____variables(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_syntax___syntax_base___AClosureDef___variables__eq[] = "syntax_base::AClosureDef::variables=";
 void syntax___syntax_base___AClosureDef___variables__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_syntax___syntax_base;
-  fra.me.line = 834;
+  fra.me.line = 843;
   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;
   fra.me.REG[1] = p1;
-  /* ./syntax//syntax_base.nit:834 */
+  /* syntax/syntax_base.nit:843 */
   ATTR_syntax___syntax_base___AClosureDef____variables(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_syntax___syntax_base___AMethid___name[] = "syntax_base::AMethid::name";
 val_t syntax___syntax_base___AMethid___name(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___syntax_base;
-  fra.me.line = 839;
+  fra.me.line = 848;
   fra.me.meth = LOCATE_syntax___syntax_base___AMethid___name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./syntax//syntax_base.nit:839 */
-  nit_abort("Deferred method called", NULL, LOCATE_syntax___syntax_base, 839);
+  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;
   return NIT_NULL;
 }
+static const char LOCATE_syntax___syntax_base___AExprs___to_a[] = "syntax_base::AExprs::to_a";
+val_t syntax___syntax_base___AExprs___to_a(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___syntax_base;
+  fra.me.line = 853;
+  fra.me.meth = LOCATE_syntax___syntax_base___AExprs___to_a;
+  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:854 */
+  fra.me.REG[0] = CALL_parser___parser_nodes___AExprs___n_exprs(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_standard___collection___array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}