c_src: update to have intern args

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

diff --git a/c_src/parser___parser_nodes._sep.c b/c_src/parser___parser_nodes._sep.c
index 6a75dd2..18600c1 100644 (file)
--- a/c_src/parser___parser_nodes._sep.c
+++ b/c_src/parser___parser_nodes._sep.c
@@ -178,6 +178,22 @@ val_t parser___parser_nodes___Token___text(val_t p0){
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
+static const char LOCATE_parser___parser_nodes___Token___text__eq[] = "parser_nodes::Token::text=";
+void parser___parser_nodes___Token___text__eq(val_t p0, val_t p1){
+  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_parser___parser_nodes;
+  fra.me.line = 45;
+  fra.me.meth = LOCATE_parser___parser_nodes___Token___text__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  fra.me.nitni_local_ref_head = NULL;
+  /* parser/parser_nodes.nit:45 */
+  nit_abort("Deferred method called", NULL, LOCATE_parser___parser_nodes, 45);
+  stack_frame_head = fra.me.prev;
+  return;
+}
 static const char LOCATE_parser___parser_nodes___Token___to_s[] = "parser_nodes::Token::(string::Object::to_s)";
 val_t parser___parser_nodes___Token___to_s(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -187,7 +203,7 @@ val_t parser___parser_nodes___Token___to_s(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_parser___parser_nodes;
-  fra.me.line = 46;
+  fra.me.line = 47;
   fra.me.meth = LOCATE_parser___parser_nodes___Token___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -196,7 +212,7 @@ val_t parser___parser_nodes___Token___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:47 */
+  /* parser/parser_nodes.nit:48 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -231,7 +247,7 @@ void parser___parser_nodes___Prod___location__eq(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 54;
+  fra.me.line = 55;
   fra.me.meth = LOCATE_parser___parser_nodes___Prod___location__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
@@ -240,11 +256,29 @@ void parser___parser_nodes___Prod___location__eq(val_t p0, val_t p1){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* parser/parser_nodes.nit:54 */
+  /* parser/parser_nodes.nit:55 */
   ATTR_parser___parser_nodes___ANode____location(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_parser___parser_nodes___Prod___n_annotations[] = "parser_nodes::Prod::n_annotations";
+val_t parser___parser_nodes___Prod___n_annotations(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_parser___parser_nodes;
+  fra.me.line = 56;
+  fra.me.meth = LOCATE_parser___parser_nodes___Prod___n_annotations;
+  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;
+  /* parser/parser_nodes.nit:56 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___Prod____n_annotations(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
 static const char LOCATE_parser___parser_nodes___TEol___to_s[] = "parser_nodes::TEol::(string::Object::to_s)";
 val_t parser___parser_nodes___TEol___to_s(val_t p0){
   struct {struct stack_frame_t me;} fra;
@@ -253,14 +287,14 @@ val_t parser___parser_nodes___TEol___to_s(val_t p0){
   static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 58;
+  fra.me.line = 60;
   fra.me.meth = LOCATE_parser___parser_nodes___TEol___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;
-  /* parser/parser_nodes.nit:60 */
+  /* parser/parser_nodes.nit:62 */
   if (!once_value_1) {
     fra.me.REG[0] = BOX_NativeString("end of line");
     REGB0 = TAG_Int(11);
@@ -283,7 +317,7 @@ val_t parser___parser_nodes___TokenKeyword___to_s(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_parser___parser_nodes;
-  fra.me.line = 68;
+  fra.me.line = 70;
   fra.me.meth = LOCATE_parser___parser_nodes___TokenKeyword___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -292,7 +326,7 @@ val_t parser___parser_nodes___TokenKeyword___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:70 */
+  /* parser/parser_nodes.nit:72 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -330,7 +364,7 @@ val_t parser___parser_nodes___TokenOperator___to_s(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_parser___parser_nodes;
-  fra.me.line = 249;
+  fra.me.line = 248;
   fra.me.meth = LOCATE_parser___parser_nodes___TokenOperator___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -339,7 +373,7 @@ val_t parser___parser_nodes___TokenOperator___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:251 */
+  /* parser/parser_nodes.nit:250 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -377,7 +411,7 @@ val_t parser___parser_nodes___TClassid___to_s(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_parser___parser_nodes;
-  fra.me.line = 316;
+  fra.me.line = 318;
   fra.me.meth = LOCATE_parser___parser_nodes___TClassid___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -386,7 +420,7 @@ val_t parser___parser_nodes___TClassid___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:318 */
+  /* parser/parser_nodes.nit:320 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -424,7 +458,7 @@ val_t parser___parser_nodes___TId___to_s(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_parser___parser_nodes;
-  fra.me.line = 323;
+  fra.me.line = 325;
   fra.me.meth = LOCATE_parser___parser_nodes___TId___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -433,7 +467,7 @@ val_t parser___parser_nodes___TId___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:325 */
+  /* parser/parser_nodes.nit:327 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -471,7 +505,7 @@ val_t parser___parser_nodes___TAttrid___to_s(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_parser___parser_nodes;
-  fra.me.line = 330;
+  fra.me.line = 332;
   fra.me.meth = LOCATE_parser___parser_nodes___TAttrid___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -480,7 +514,7 @@ val_t parser___parser_nodes___TAttrid___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:332 */
+  /* parser/parser_nodes.nit:334 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -518,7 +552,7 @@ val_t parser___parser_nodes___TokenLiteral___to_s(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_parser___parser_nodes;
-  fra.me.line = 337;
+  fra.me.line = 339;
   fra.me.meth = LOCATE_parser___parser_nodes___TokenLiteral___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -527,7 +561,7 @@ val_t parser___parser_nodes___TokenLiteral___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:339 */
+  /* parser/parser_nodes.nit:341 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -565,7 +599,7 @@ val_t parser___parser_nodes___TBadString___to_s(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_parser___parser_nodes;
-  fra.me.line = 365;
+  fra.me.line = 367;
   fra.me.meth = LOCATE_parser___parser_nodes___TBadString___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -574,7 +608,7 @@ val_t parser___parser_nodes___TBadString___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:367 */
+  /* parser/parser_nodes.nit:369 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -612,7 +646,7 @@ val_t parser___parser_nodes___TBadChar___to_s(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_parser___parser_nodes;
-  fra.me.line = 372;
+  fra.me.line = 374;
   fra.me.meth = LOCATE_parser___parser_nodes___TBadChar___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -621,7 +655,7 @@ val_t parser___parser_nodes___TBadChar___to_s(val_t p0){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:374 */
+  /* parser/parser_nodes.nit:376 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -650,25 +684,6 @@ val_t parser___parser_nodes___TBadChar___to_s(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-static const char LOCATE_parser___parser_nodes___EOF___noinit[] = "parser_nodes::EOF::noinit";
-void parser___parser_nodes___EOF___noinit(val_t p0, int* init_table){
-  int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_parser___parser_nodes___EOF].i;
-  struct {struct stack_frame_t me;} fra;
-  val_t tmp;
-  if (init_table[itpos1]) return;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 382;
-  fra.me.meth = LOCATE_parser___parser_nodes___EOF___noinit;
-  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;
-  stack_frame_head = fra.me.prev;
-  init_table[itpos1] = 1;
-  return;
-}
 static const char LOCATE_parser___parser_nodes___EOF___to_s[] = "parser_nodes::EOF::(string::Object::to_s)";
 val_t parser___parser_nodes___EOF___to_s(val_t p0){
   struct {struct stack_frame_t me;} fra;
@@ -677,14 +692,14 @@ val_t parser___parser_nodes___EOF___to_s(val_t p0){
   static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 383;
+  fra.me.line = 384;
   fra.me.meth = LOCATE_parser___parser_nodes___EOF___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;
-  /* parser/parser_nodes.nit:385 */
+  /* parser/parser_nodes.nit:386 */
   if (!once_value_1) {
     fra.me.REG[0] = BOX_NativeString("end of file");
     REGB0 = TAG_Int(11);
@@ -698,41 +713,20 @@ val_t parser___parser_nodes___EOF___to_s(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-static const char LOCATE_parser___parser_nodes___AError___noinit[] = "parser_nodes::AError::noinit";
-void parser___parser_nodes___AError___noinit(val_t p0, int* init_table){
-  int itpos2 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_parser___parser_nodes___AError].i;
-  struct {struct stack_frame_t me;} fra;
-  val_t tmp;
-  if (init_table[itpos2]) return;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 390;
-  fra.me.meth = LOCATE_parser___parser_nodes___AError___noinit;
-  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;
-  /* parser/parser_nodes.nit:390 */
-  CALL_parser___parser_nodes___EOF___noinit(fra.me.REG[0])(fra.me.REG[0], init_table);
-  stack_frame_head = fra.me.prev;
-  init_table[itpos2] = 1;
-  return;
-}
 static const char LOCATE_parser___parser_nodes___AModule___n_moduledecl[] = "parser_nodes::AModule::n_moduledecl";
 val_t parser___parser_nodes___AModule___n_moduledecl(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_parser___parser_nodes;
-  fra.me.line = 395;
+  fra.me.line = 401;
   fra.me.meth = LOCATE_parser___parser_nodes___AModule___n_moduledecl;
   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;
-  /* parser/parser_nodes.nit:395 */
+  /* parser/parser_nodes.nit:401 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModule____n_moduledecl(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -744,18 +738,18 @@ val_t parser___parser_nodes___AModule___n_imports(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 396;
+  fra.me.line = 402;
   fra.me.meth = LOCATE_parser___parser_nodes___AModule___n_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;
-  /* parser/parser_nodes.nit:396 */
+  /* parser/parser_nodes.nit:402 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModule____n_imports(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_imports", LOCATE_parser___parser_nodes, 396);
+    nit_abort("Uninitialized attribute %s", "_n_imports", LOCATE_parser___parser_nodes, 402);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModule____n_imports(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -768,18 +762,18 @@ val_t parser___parser_nodes___AModule___n_extern_code_blocks(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 397;
+  fra.me.line = 403;
   fra.me.meth = LOCATE_parser___parser_nodes___AModule___n_extern_code_blocks;
   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;
-  /* parser/parser_nodes.nit:397 */
+  /* parser/parser_nodes.nit:403 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModule____n_extern_code_blocks(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_extern_code_blocks", LOCATE_parser___parser_nodes, 397);
+    nit_abort("Uninitialized attribute %s", "_n_extern_code_blocks", LOCATE_parser___parser_nodes, 403);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModule____n_extern_code_blocks(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -792,18 +786,18 @@ val_t parser___parser_nodes___AModule___n_classdefs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 398;
+  fra.me.line = 404;
   fra.me.meth = LOCATE_parser___parser_nodes___AModule___n_classdefs;
   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;
-  /* parser/parser_nodes.nit:398 */
+  /* parser/parser_nodes.nit:404 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModule____n_classdefs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_classdefs", LOCATE_parser___parser_nodes, 398);
+    nit_abort("Uninitialized attribute %s", "_n_classdefs", LOCATE_parser___parser_nodes, 404);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModule____n_classdefs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -815,14 +809,14 @@ val_t parser___parser_nodes___AModuledecl___n_doc(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 402;
+  fra.me.line = 408;
   fra.me.meth = LOCATE_parser___parser_nodes___AModuledecl___n_doc;
   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;
-  /* parser/parser_nodes.nit:402 */
+  /* parser/parser_nodes.nit:408 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModuledecl____n_doc(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -834,18 +828,18 @@ val_t parser___parser_nodes___AModuledecl___n_kwmodule(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 403;
+  fra.me.line = 409;
   fra.me.meth = LOCATE_parser___parser_nodes___AModuledecl___n_kwmodule;
   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;
-  /* parser/parser_nodes.nit:403 */
+  /* parser/parser_nodes.nit:409 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModuledecl____n_kwmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwmodule", LOCATE_parser___parser_nodes, 403);
+    nit_abort("Uninitialized attribute %s", "_n_kwmodule", LOCATE_parser___parser_nodes, 409);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModuledecl____n_kwmodule(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -858,18 +852,18 @@ val_t parser___parser_nodes___AModuledecl___n_name(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 404;
+  fra.me.line = 410;
   fra.me.meth = LOCATE_parser___parser_nodes___AModuledecl___n_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;
-  /* parser/parser_nodes.nit:404 */
+  /* parser/parser_nodes.nit:410 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModuledecl____n_name(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_name", LOCATE_parser___parser_nodes, 404);
+    nit_abort("Uninitialized attribute %s", "_n_name", LOCATE_parser___parser_nodes, 410);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModuledecl____n_name(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -882,18 +876,18 @@ val_t parser___parser_nodes___AStdImport___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 409;
+  fra.me.line = 415;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdImport___n_visibility;
   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;
-  /* parser/parser_nodes.nit:409 */
+  /* parser/parser_nodes.nit:415 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdImport____n_visibility(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 409);
+    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 415);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdImport____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -906,18 +900,18 @@ val_t parser___parser_nodes___AStdImport___n_kwimport(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 410;
+  fra.me.line = 416;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdImport___n_kwimport;
   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;
-  /* parser/parser_nodes.nit:410 */
+  /* parser/parser_nodes.nit:416 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdImport____n_kwimport(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwimport", LOCATE_parser___parser_nodes, 410);
+    nit_abort("Uninitialized attribute %s", "_n_kwimport", LOCATE_parser___parser_nodes, 416);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdImport____n_kwimport(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -930,18 +924,18 @@ val_t parser___parser_nodes___AStdImport___n_name(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 411;
+  fra.me.line = 417;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdImport___n_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;
-  /* parser/parser_nodes.nit:411 */
+  /* parser/parser_nodes.nit:417 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdImport____n_name(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_name", LOCATE_parser___parser_nodes, 411);
+    nit_abort("Uninitialized attribute %s", "_n_name", LOCATE_parser___parser_nodes, 417);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdImport____n_name(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -954,18 +948,18 @@ val_t parser___parser_nodes___ANoImport___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 415;
+  fra.me.line = 421;
   fra.me.meth = LOCATE_parser___parser_nodes___ANoImport___n_visibility;
   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;
-  /* parser/parser_nodes.nit:415 */
+  /* parser/parser_nodes.nit:421 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANoImport____n_visibility(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 415);
+    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 421);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANoImport____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -978,18 +972,18 @@ val_t parser___parser_nodes___ANoImport___n_kwimport(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 416;
+  fra.me.line = 422;
   fra.me.meth = LOCATE_parser___parser_nodes___ANoImport___n_kwimport;
   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;
-  /* parser/parser_nodes.nit:416 */
+  /* parser/parser_nodes.nit:422 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANoImport____n_kwimport(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwimport", LOCATE_parser___parser_nodes, 416);
+    nit_abort("Uninitialized attribute %s", "_n_kwimport", LOCATE_parser___parser_nodes, 422);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANoImport____n_kwimport(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1002,18 +996,18 @@ val_t parser___parser_nodes___ANoImport___n_kwend(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 417;
+  fra.me.line = 423;
   fra.me.meth = LOCATE_parser___parser_nodes___ANoImport___n_kwend;
   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;
-  /* parser/parser_nodes.nit:417 */
+  /* parser/parser_nodes.nit:423 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANoImport____n_kwend(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwend", LOCATE_parser___parser_nodes, 417);
+    nit_abort("Uninitialized attribute %s", "_n_kwend", LOCATE_parser___parser_nodes, 423);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANoImport____n_kwend(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1026,18 +1020,18 @@ val_t parser___parser_nodes___APrivateVisibility___n_kwprivate(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 425;
+  fra.me.line = 431;
   fra.me.meth = LOCATE_parser___parser_nodes___APrivateVisibility___n_kwprivate;
   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;
-  /* parser/parser_nodes.nit:425 */
+  /* parser/parser_nodes.nit:431 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___APrivateVisibility____n_kwprivate(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwprivate", LOCATE_parser___parser_nodes, 425);
+    nit_abort("Uninitialized attribute %s", "_n_kwprivate", LOCATE_parser___parser_nodes, 431);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___APrivateVisibility____n_kwprivate(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1050,18 +1044,18 @@ val_t parser___parser_nodes___AProtectedVisibility___n_kwprotected(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 429;
+  fra.me.line = 435;
   fra.me.meth = LOCATE_parser___parser_nodes___AProtectedVisibility___n_kwprotected;
   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;
-  /* parser/parser_nodes.nit:429 */
+  /* parser/parser_nodes.nit:435 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AProtectedVisibility____n_kwprotected(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwprotected", LOCATE_parser___parser_nodes, 429);
+    nit_abort("Uninitialized attribute %s", "_n_kwprotected", LOCATE_parser___parser_nodes, 435);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AProtectedVisibility____n_kwprotected(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1074,18 +1068,18 @@ val_t parser___parser_nodes___AIntrudeVisibility___n_kwintrude(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 433;
+  fra.me.line = 439;
   fra.me.meth = LOCATE_parser___parser_nodes___AIntrudeVisibility___n_kwintrude;
   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;
-  /* parser/parser_nodes.nit:433 */
+  /* parser/parser_nodes.nit:439 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIntrudeVisibility____n_kwintrude(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwintrude", LOCATE_parser___parser_nodes, 433);
+    nit_abort("Uninitialized attribute %s", "_n_kwintrude", LOCATE_parser___parser_nodes, 439);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIntrudeVisibility____n_kwintrude(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1098,18 +1092,18 @@ val_t parser___parser_nodes___AClassdef___n_propdefs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 436;
+  fra.me.line = 442;
   fra.me.meth = LOCATE_parser___parser_nodes___AClassdef___n_propdefs;
   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;
-  /* parser/parser_nodes.nit:436 */
+  /* parser/parser_nodes.nit:442 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClassdef____n_propdefs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_propdefs", LOCATE_parser___parser_nodes, 436);
+    nit_abort("Uninitialized attribute %s", "_n_propdefs", LOCATE_parser___parser_nodes, 442);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClassdef____n_propdefs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1121,14 +1115,14 @@ val_t parser___parser_nodes___AStdClassdef___n_doc(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 440;
+  fra.me.line = 446;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_doc;
   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;
-  /* parser/parser_nodes.nit:440 */
+  /* parser/parser_nodes.nit:446 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_doc(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1139,14 +1133,14 @@ val_t parser___parser_nodes___AStdClassdef___n_kwredef(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 441;
+  fra.me.line = 447;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_kwredef;
   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;
-  /* parser/parser_nodes.nit:441 */
+  /* parser/parser_nodes.nit:447 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_kwredef(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1158,18 +1152,18 @@ val_t parser___parser_nodes___AStdClassdef___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 442;
+  fra.me.line = 448;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_visibility;
   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;
-  /* parser/parser_nodes.nit:442 */
+  /* parser/parser_nodes.nit:448 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdClassdef____n_visibility(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 442);
+    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 448);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1182,18 +1176,18 @@ val_t parser___parser_nodes___AStdClassdef___n_classkind(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 443;
+  fra.me.line = 449;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_classkind;
   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;
-  /* parser/parser_nodes.nit:443 */
+  /* parser/parser_nodes.nit:449 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdClassdef____n_classkind(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_classkind", LOCATE_parser___parser_nodes, 443);
+    nit_abort("Uninitialized attribute %s", "_n_classkind", LOCATE_parser___parser_nodes, 449);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_classkind(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1205,14 +1199,14 @@ val_t parser___parser_nodes___AStdClassdef___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 444;
+  fra.me.line = 450;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_id;
   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;
-  /* parser/parser_nodes.nit:444 */
+  /* parser/parser_nodes.nit:450 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1224,18 +1218,18 @@ val_t parser___parser_nodes___AStdClassdef___n_formaldefs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 445;
+  fra.me.line = 451;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_formaldefs;
   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;
-  /* parser/parser_nodes.nit:445 */
+  /* parser/parser_nodes.nit:451 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdClassdef____n_formaldefs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_formaldefs", LOCATE_parser___parser_nodes, 445);
+    nit_abort("Uninitialized attribute %s", "_n_formaldefs", LOCATE_parser___parser_nodes, 451);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_formaldefs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1247,14 +1241,14 @@ val_t parser___parser_nodes___AStdClassdef___n_extern_code_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 446;
+  fra.me.line = 452;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_extern_code_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:446 */
+  /* parser/parser_nodes.nit:452 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_extern_code_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1266,18 +1260,18 @@ val_t parser___parser_nodes___AStdClassdef___n_superclasses(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 447;
+  fra.me.line = 453;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_superclasses;
   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;
-  /* parser/parser_nodes.nit:447 */
+  /* parser/parser_nodes.nit:453 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdClassdef____n_superclasses(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_superclasses", LOCATE_parser___parser_nodes, 447);
+    nit_abort("Uninitialized attribute %s", "_n_superclasses", LOCATE_parser___parser_nodes, 453);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_superclasses(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1290,18 +1284,18 @@ val_t parser___parser_nodes___AStdClassdef___n_kwend(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 448;
+  fra.me.line = 454;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___n_kwend;
   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;
-  /* parser/parser_nodes.nit:448 */
+  /* parser/parser_nodes.nit:454 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStdClassdef____n_kwend(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwend", LOCATE_parser___parser_nodes, 448);
+    nit_abort("Uninitialized attribute %s", "_n_kwend", LOCATE_parser___parser_nodes, 454);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStdClassdef____n_kwend(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1314,18 +1308,18 @@ val_t parser___parser_nodes___AStdClassdef___hot_location(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 449;
+  fra.me.line = 455;
   fra.me.meth = LOCATE_parser___parser_nodes___AStdClassdef___hot_location;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:449 */
+  /* parser/parser_nodes.nit:455 */
   fra.me.REG[0] = CALL_parser___parser_nodes___AStdClassdef___n_id(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
-    nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 449);
+    nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 455);
   }
   fra.me.REG[0] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
   goto label1;
@@ -1340,18 +1334,18 @@ val_t parser___parser_nodes___AConcreteClasskind___n_kwclass(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 460;
+  fra.me.line = 466;
   fra.me.meth = LOCATE_parser___parser_nodes___AConcreteClasskind___n_kwclass;
   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;
-  /* parser/parser_nodes.nit:460 */
+  /* parser/parser_nodes.nit:466 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AConcreteClasskind____n_kwclass(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwclass", LOCATE_parser___parser_nodes, 460);
+    nit_abort("Uninitialized attribute %s", "_n_kwclass", LOCATE_parser___parser_nodes, 466);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AConcreteClasskind____n_kwclass(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1364,18 +1358,18 @@ val_t parser___parser_nodes___AAbstractClasskind___n_kwabstract(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 464;
+  fra.me.line = 470;
   fra.me.meth = LOCATE_parser___parser_nodes___AAbstractClasskind___n_kwabstract;
   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;
-  /* parser/parser_nodes.nit:464 */
+  /* parser/parser_nodes.nit:470 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAbstractClasskind____n_kwabstract(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwabstract", LOCATE_parser___parser_nodes, 464);
+    nit_abort("Uninitialized attribute %s", "_n_kwabstract", LOCATE_parser___parser_nodes, 470);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAbstractClasskind____n_kwabstract(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1388,18 +1382,18 @@ val_t parser___parser_nodes___AAbstractClasskind___n_kwclass(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 465;
+  fra.me.line = 471;
   fra.me.meth = LOCATE_parser___parser_nodes___AAbstractClasskind___n_kwclass;
   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;
-  /* parser/parser_nodes.nit:465 */
+  /* parser/parser_nodes.nit:471 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAbstractClasskind____n_kwclass(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwclass", LOCATE_parser___parser_nodes, 465);
+    nit_abort("Uninitialized attribute %s", "_n_kwclass", LOCATE_parser___parser_nodes, 471);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAbstractClasskind____n_kwclass(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1412,18 +1406,18 @@ val_t parser___parser_nodes___AInterfaceClasskind___n_kwinterface(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 469;
+  fra.me.line = 475;
   fra.me.meth = LOCATE_parser___parser_nodes___AInterfaceClasskind___n_kwinterface;
   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;
-  /* parser/parser_nodes.nit:469 */
+  /* parser/parser_nodes.nit:475 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInterfaceClasskind____n_kwinterface(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwinterface", LOCATE_parser___parser_nodes, 469);
+    nit_abort("Uninitialized attribute %s", "_n_kwinterface", LOCATE_parser___parser_nodes, 475);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInterfaceClasskind____n_kwinterface(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1436,18 +1430,18 @@ val_t parser___parser_nodes___AEnumClasskind___n_kwenum(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 473;
+  fra.me.line = 479;
   fra.me.meth = LOCATE_parser___parser_nodes___AEnumClasskind___n_kwenum;
   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;
-  /* parser/parser_nodes.nit:473 */
+  /* parser/parser_nodes.nit:479 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AEnumClasskind____n_kwenum(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwenum", LOCATE_parser___parser_nodes, 473);
+    nit_abort("Uninitialized attribute %s", "_n_kwenum", LOCATE_parser___parser_nodes, 479);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AEnumClasskind____n_kwenum(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1460,23 +1454,41 @@ val_t parser___parser_nodes___AExternClasskind___n_kwextern(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 477;
+  fra.me.line = 483;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternClasskind___n_kwextern;
   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;
-  /* parser/parser_nodes.nit:477 */
+  /* parser/parser_nodes.nit:483 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExternClasskind____n_kwextern(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwextern", LOCATE_parser___parser_nodes, 477);
+    nit_abort("Uninitialized attribute %s", "_n_kwextern", LOCATE_parser___parser_nodes, 483);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternClasskind____n_kwextern(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_parser___parser_nodes___AExternClasskind___n_kwclass[] = "parser_nodes::AExternClasskind::n_kwclass";
+val_t parser___parser_nodes___AExternClasskind___n_kwclass(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_parser___parser_nodes;
+  fra.me.line = 484;
+  fra.me.meth = LOCATE_parser___parser_nodes___AExternClasskind___n_kwclass;
+  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;
+  /* parser/parser_nodes.nit:484 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AExternClasskind____n_kwclass(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
 static const char LOCATE_parser___parser_nodes___AFormaldef___n_id[] = "parser_nodes::AFormaldef::n_id";
 val_t parser___parser_nodes___AFormaldef___n_id(val_t p0){
   struct {struct stack_frame_t me;} fra;
@@ -1484,18 +1496,18 @@ val_t parser___parser_nodes___AFormaldef___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 481;
+  fra.me.line = 488;
   fra.me.meth = LOCATE_parser___parser_nodes___AFormaldef___n_id;
   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;
-  /* parser/parser_nodes.nit:481 */
+  /* parser/parser_nodes.nit:488 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AFormaldef____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 481);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 488);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFormaldef____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1507,50 +1519,38 @@ val_t parser___parser_nodes___AFormaldef___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 482;
+  fra.me.line = 489;
   fra.me.meth = LOCATE_parser___parser_nodes___AFormaldef___n_type;
   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;
-  /* parser/parser_nodes.nit:482 */
+  /* parser/parser_nodes.nit:489 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFormaldef____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-static const char LOCATE_parser___parser_nodes___ASuperclass___n_kwspecial[] = "parser_nodes::ASuperclass::n_kwspecial";
-val_t parser___parser_nodes___ASuperclass___n_kwspecial(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_parser___parser_nodes;
-  fra.me.line = 486;
-  fra.me.meth = LOCATE_parser___parser_nodes___ASuperclass___n_kwspecial;
-  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;
-  /* parser/parser_nodes.nit:486 */
-  fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperclass____n_kwspecial(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
 static const char LOCATE_parser___parser_nodes___ASuperclass___n_kwsuper[] = "parser_nodes::ASuperclass::n_kwsuper";
 val_t parser___parser_nodes___ASuperclass___n_kwsuper(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_parser___parser_nodes;
-  fra.me.line = 487;
+  fra.me.line = 493;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperclass___n_kwsuper;
   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;
-  /* parser/parser_nodes.nit:487 */
+  /* parser/parser_nodes.nit:493 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASuperclass____n_kwsuper(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_kwsuper", LOCATE_parser___parser_nodes, 493);
+  }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperclass____n_kwsuper(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1562,18 +1562,18 @@ val_t parser___parser_nodes___ASuperclass___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 488;
+  fra.me.line = 494;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperclass___n_type;
   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;
-  /* parser/parser_nodes.nit:488 */
+  /* parser/parser_nodes.nit:494 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASuperclass____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 488);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 494);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperclass____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1585,14 +1585,14 @@ val_t parser___parser_nodes___APropdef___n_doc(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 491;
+  fra.me.line = 497;
   fra.me.meth = LOCATE_parser___parser_nodes___APropdef___n_doc;
   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;
-  /* parser/parser_nodes.nit:491 */
+  /* parser/parser_nodes.nit:497 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___APropdef____n_doc(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1603,14 +1603,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_kwredef(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 495;
+  fra.me.line = 501;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_kwredef;
   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;
-  /* parser/parser_nodes.nit:495 */
+  /* parser/parser_nodes.nit:501 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_kwredef(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1622,18 +1622,18 @@ val_t parser___parser_nodes___AAttrPropdef___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 496;
+  fra.me.line = 502;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_visibility;
   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;
-  /* parser/parser_nodes.nit:496 */
+  /* parser/parser_nodes.nit:502 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAttrPropdef____n_visibility(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 496);
+    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 502);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1646,18 +1646,18 @@ val_t parser___parser_nodes___AAttrPropdef___n_kwvar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 497;
+  fra.me.line = 503;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_kwvar;
   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;
-  /* parser/parser_nodes.nit:497 */
+  /* parser/parser_nodes.nit:503 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAttrPropdef____n_kwvar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwvar", LOCATE_parser___parser_nodes, 497);
+    nit_abort("Uninitialized attribute %s", "_n_kwvar", LOCATE_parser___parser_nodes, 503);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_kwvar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1669,14 +1669,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 498;
+  fra.me.line = 504;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_id;
   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;
-  /* parser/parser_nodes.nit:498 */
+  /* parser/parser_nodes.nit:504 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1687,14 +1687,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_id2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 499;
+  fra.me.line = 505;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_id2;
   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;
-  /* parser/parser_nodes.nit:499 */
+  /* parser/parser_nodes.nit:505 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_id2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1705,14 +1705,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 500;
+  fra.me.line = 506;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_type;
   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;
-  /* parser/parser_nodes.nit:500 */
+  /* parser/parser_nodes.nit:506 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1723,14 +1723,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_readable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 501;
+  fra.me.line = 507;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_readable;
   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;
-  /* parser/parser_nodes.nit:501 */
+  /* parser/parser_nodes.nit:507 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_readable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1741,14 +1741,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_writable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 502;
+  fra.me.line = 508;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_writable;
   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;
-  /* parser/parser_nodes.nit:502 */
+  /* parser/parser_nodes.nit:508 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_writable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1759,14 +1759,14 @@ val_t parser___parser_nodes___AAttrPropdef___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 503;
+  fra.me.line = 509;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___n_expr;
   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;
-  /* parser/parser_nodes.nit:503 */
+  /* parser/parser_nodes.nit:509 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrPropdef____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1779,7 +1779,7 @@ val_t parser___parser_nodes___AAttrPropdef___hot_location(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 504;
+  fra.me.line = 510;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrPropdef___hot_location;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
@@ -1787,7 +1787,7 @@ val_t parser___parser_nodes___AAttrPropdef___hot_location(val_t p0){
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:506 */
+  /* parser/parser_nodes.nit:512 */
   fra.me.REG[1] = CALL_parser___parser_nodes___AAttrPropdef___n_id(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
@@ -1806,7 +1806,7 @@ val_t parser___parser_nodes___AAttrPropdef___hot_location(val_t p0){
     fra.me.REG[1] = CALL_parser___parser_nodes___AAttrPropdef___n_id(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 506);
+      nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 512);
     }
     fra.me.REG[1] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[1])(fra.me.REG[1]);
     goto label1;
@@ -1814,7 +1814,7 @@ val_t parser___parser_nodes___AAttrPropdef___hot_location(val_t p0){
     fra.me.REG[0] = CALL_parser___parser_nodes___AAttrPropdef___n_id2(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 506);
+      nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 512);
     }
     fra.me.REG[0] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[1] = fra.me.REG[0];
@@ -1830,14 +1830,14 @@ val_t parser___parser_nodes___AMethPropdef___n_kwredef(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 511;
+  fra.me.line = 517;
   fra.me.meth = LOCATE_parser___parser_nodes___AMethPropdef___n_kwredef;
   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;
-  /* parser/parser_nodes.nit:511 */
+  /* parser/parser_nodes.nit:517 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AMethPropdef____n_kwredef(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1848,14 +1848,14 @@ val_t parser___parser_nodes___AMethPropdef___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 512;
+  fra.me.line = 518;
   fra.me.meth = LOCATE_parser___parser_nodes___AMethPropdef___n_visibility;
   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;
-  /* parser/parser_nodes.nit:512 */
+  /* parser/parser_nodes.nit:518 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AMethPropdef____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1866,14 +1866,14 @@ val_t parser___parser_nodes___AMethPropdef___n_methid(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 513;
+  fra.me.line = 519;
   fra.me.meth = LOCATE_parser___parser_nodes___AMethPropdef___n_methid;
   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;
-  /* parser/parser_nodes.nit:513 */
+  /* parser/parser_nodes.nit:519 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AMethPropdef____n_methid(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1884,14 +1884,14 @@ val_t parser___parser_nodes___AMethPropdef___n_signature(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 514;
+  fra.me.line = 520;
   fra.me.meth = LOCATE_parser___parser_nodes___AMethPropdef___n_signature;
   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;
-  /* parser/parser_nodes.nit:514 */
+  /* parser/parser_nodes.nit:520 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AMethPropdef____n_signature(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -1904,7 +1904,7 @@ val_t parser___parser_nodes___AMethPropdef___hot_location(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 515;
+  fra.me.line = 521;
   fra.me.meth = LOCATE_parser___parser_nodes___AMethPropdef___hot_location;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
@@ -1912,7 +1912,7 @@ val_t parser___parser_nodes___AMethPropdef___hot_location(val_t p0){
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:517 */
+  /* parser/parser_nodes.nit:523 */
   fra.me.REG[1] = CALL_parser___parser_nodes___AMethPropdef___n_methid(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
@@ -1928,16 +1928,16 @@ val_t parser___parser_nodes___AMethPropdef___hot_location(val_t p0){
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* parser/parser_nodes.nit:518 */
+    /* parser/parser_nodes.nit:524 */
     fra.me.REG[1] = CALL_parser___parser_nodes___AMethPropdef___n_methid(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
-      nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 518);
+      nit_abort("Reciever is null", NULL, LOCATE_parser___parser_nodes, 524);
     }
     fra.me.REG[1] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[1])(fra.me.REG[1]);
     goto label1;
   } else {
-    /* parser/parser_nodes.nit:520 */
+    /* parser/parser_nodes.nit:526 */
     fra.me.REG[0] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[1] = fra.me.REG[0];
     goto label1;
@@ -1953,18 +1953,18 @@ val_t parser___parser_nodes___ADeferredMethPropdef___n_kwmeth(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 526;
+  fra.me.line = 532;
   fra.me.meth = LOCATE_parser___parser_nodes___ADeferredMethPropdef___n_kwmeth;
   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;
-  /* parser/parser_nodes.nit:526 */
+  /* parser/parser_nodes.nit:532 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADeferredMethPropdef____n_kwmeth(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwmeth", LOCATE_parser___parser_nodes, 526);
+    nit_abort("Uninitialized attribute %s", "_n_kwmeth", LOCATE_parser___parser_nodes, 532);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADeferredMethPropdef____n_kwmeth(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -1977,18 +1977,18 @@ val_t parser___parser_nodes___AInternMethPropdef___n_kwmeth(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 530;
+  fra.me.line = 536;
   fra.me.meth = LOCATE_parser___parser_nodes___AInternMethPropdef___n_kwmeth;
   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;
-  /* parser/parser_nodes.nit:530 */
+  /* parser/parser_nodes.nit:536 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInternMethPropdef____n_kwmeth(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwmeth", LOCATE_parser___parser_nodes, 530);
+    nit_abort("Uninitialized attribute %s", "_n_kwmeth", LOCATE_parser___parser_nodes, 536);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInternMethPropdef____n_kwmeth(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2000,14 +2000,14 @@ val_t parser___parser_nodes___AExternPropdef___n_extern(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 534;
+  fra.me.line = 540;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternPropdef___n_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;
-  /* parser/parser_nodes.nit:534 */
+  /* parser/parser_nodes.nit:540 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternPropdef____n_extern(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2018,14 +2018,14 @@ val_t parser___parser_nodes___AExternPropdef___n_extern_calls(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 535;
+  fra.me.line = 541;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternPropdef___n_extern_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;
-  /* parser/parser_nodes.nit:535 */
+  /* parser/parser_nodes.nit:541 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternPropdef____n_extern_calls(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2036,14 +2036,14 @@ val_t parser___parser_nodes___AExternPropdef___n_extern_code_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 536;
+  fra.me.line = 542;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternPropdef___n_extern_code_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:536 */
+  /* parser/parser_nodes.nit:542 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternPropdef____n_extern_code_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2055,18 +2055,18 @@ val_t parser___parser_nodes___AExternMethPropdef___n_kwmeth(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 541;
+  fra.me.line = 547;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternMethPropdef___n_kwmeth;
   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;
-  /* parser/parser_nodes.nit:541 */
+  /* parser/parser_nodes.nit:547 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExternMethPropdef____n_kwmeth(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwmeth", LOCATE_parser___parser_nodes, 541);
+    nit_abort("Uninitialized attribute %s", "_n_kwmeth", LOCATE_parser___parser_nodes, 547);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternMethPropdef____n_kwmeth(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2078,14 +2078,14 @@ val_t parser___parser_nodes___AConcreteMethPropdef___n_kwmeth(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 545;
+  fra.me.line = 551;
   fra.me.meth = LOCATE_parser___parser_nodes___AConcreteMethPropdef___n_kwmeth;
   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;
-  /* parser/parser_nodes.nit:545 */
+  /* parser/parser_nodes.nit:551 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AConcreteMethPropdef____n_kwmeth(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2096,14 +2096,14 @@ val_t parser___parser_nodes___AConcreteMethPropdef___n_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 546;
+  fra.me.line = 552;
   fra.me.meth = LOCATE_parser___parser_nodes___AConcreteMethPropdef___n_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:546 */
+  /* parser/parser_nodes.nit:552 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AConcreteMethPropdef____n_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2115,18 +2115,18 @@ val_t parser___parser_nodes___AConcreteInitPropdef___n_kwinit(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 554;
+  fra.me.line = 560;
   fra.me.meth = LOCATE_parser___parser_nodes___AConcreteInitPropdef___n_kwinit;
   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;
-  /* parser/parser_nodes.nit:554 */
+  /* parser/parser_nodes.nit:560 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AConcreteInitPropdef____n_kwinit(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwinit", LOCATE_parser___parser_nodes, 554);
+    nit_abort("Uninitialized attribute %s", "_n_kwinit", LOCATE_parser___parser_nodes, 560);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AConcreteInitPropdef____n_kwinit(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2138,14 +2138,14 @@ val_t parser___parser_nodes___AConcreteInitPropdef___hot_location(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 555;
+  fra.me.line = 561;
   fra.me.meth = LOCATE_parser___parser_nodes___AConcreteInitPropdef___hot_location;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:555 */
+  /* parser/parser_nodes.nit:561 */
   fra.me.REG[0] = CALL_parser___parser_nodes___AConcreteInitPropdef___n_kwinit(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
   goto label1;
@@ -2160,18 +2160,18 @@ val_t parser___parser_nodes___AExternInitPropdef___n_kwnew(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 560;
+  fra.me.line = 566;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternInitPropdef___n_kwnew;
   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;
-  /* parser/parser_nodes.nit:560 */
+  /* parser/parser_nodes.nit:566 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExternInitPropdef____n_kwnew(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnew", LOCATE_parser___parser_nodes, 560);
+    nit_abort("Uninitialized attribute %s", "_n_kwnew", LOCATE_parser___parser_nodes, 566);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternInitPropdef____n_kwnew(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2184,18 +2184,18 @@ val_t parser___parser_nodes___AExternCalls___n_kwimport(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 567;
+  fra.me.line = 573;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternCalls___n_kwimport;
   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;
-  /* parser/parser_nodes.nit:567 */
+  /* parser/parser_nodes.nit:573 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExternCalls____n_kwimport(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwimport", LOCATE_parser___parser_nodes, 567);
+    nit_abort("Uninitialized attribute %s", "_n_kwimport", LOCATE_parser___parser_nodes, 573);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternCalls____n_kwimport(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2208,18 +2208,18 @@ val_t parser___parser_nodes___AExternCalls___n_extern_calls(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 568;
+  fra.me.line = 574;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternCalls___n_extern_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;
-  /* parser/parser_nodes.nit:568 */
+  /* parser/parser_nodes.nit:574 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExternCalls____n_extern_calls(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_extern_calls", LOCATE_parser___parser_nodes, 568);
+    nit_abort("Uninitialized attribute %s", "_n_extern_calls", LOCATE_parser___parser_nodes, 574);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternCalls____n_extern_calls(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2232,18 +2232,18 @@ val_t parser___parser_nodes___ALocalPropExternCall___n_methid(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 578;
+  fra.me.line = 584;
   fra.me.meth = LOCATE_parser___parser_nodes___ALocalPropExternCall___n_methid;
   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;
-  /* parser/parser_nodes.nit:578 */
+  /* parser/parser_nodes.nit:584 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALocalPropExternCall____n_methid(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_methid", LOCATE_parser___parser_nodes, 578);
+    nit_abort("Uninitialized attribute %s", "_n_methid", LOCATE_parser___parser_nodes, 584);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALocalPropExternCall____n_methid(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2256,18 +2256,18 @@ val_t parser___parser_nodes___AFullPropExternCall___n_classid(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 582;
+  fra.me.line = 588;
   fra.me.meth = LOCATE_parser___parser_nodes___AFullPropExternCall___n_classid;
   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;
-  /* parser/parser_nodes.nit:582 */
+  /* parser/parser_nodes.nit:588 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AFullPropExternCall____n_classid(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_classid", LOCATE_parser___parser_nodes, 582);
+    nit_abort("Uninitialized attribute %s", "_n_classid", LOCATE_parser___parser_nodes, 588);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFullPropExternCall____n_classid(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2279,14 +2279,14 @@ val_t parser___parser_nodes___AFullPropExternCall___n_quad(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 583;
+  fra.me.line = 589;
   fra.me.meth = LOCATE_parser___parser_nodes___AFullPropExternCall___n_quad;
   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;
-  /* parser/parser_nodes.nit:583 */
+  /* parser/parser_nodes.nit:589 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFullPropExternCall____n_quad(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2298,18 +2298,18 @@ val_t parser___parser_nodes___AFullPropExternCall___n_methid(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 584;
+  fra.me.line = 590;
   fra.me.meth = LOCATE_parser___parser_nodes___AFullPropExternCall___n_methid;
   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;
-  /* parser/parser_nodes.nit:584 */
+  /* parser/parser_nodes.nit:590 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AFullPropExternCall____n_methid(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_methid", LOCATE_parser___parser_nodes, 584);
+    nit_abort("Uninitialized attribute %s", "_n_methid", LOCATE_parser___parser_nodes, 590);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFullPropExternCall____n_methid(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2322,18 +2322,18 @@ val_t parser___parser_nodes___AInitPropExternCall___n_classid(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 588;
+  fra.me.line = 594;
   fra.me.meth = LOCATE_parser___parser_nodes___AInitPropExternCall___n_classid;
   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;
-  /* parser/parser_nodes.nit:588 */
+  /* parser/parser_nodes.nit:594 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInitPropExternCall____n_classid(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_classid", LOCATE_parser___parser_nodes, 588);
+    nit_abort("Uninitialized attribute %s", "_n_classid", LOCATE_parser___parser_nodes, 594);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInitPropExternCall____n_classid(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2346,18 +2346,18 @@ val_t parser___parser_nodes___ASuperExternCall___n_kwsuper(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 592;
+  fra.me.line = 598;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperExternCall___n_kwsuper;
   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;
-  /* parser/parser_nodes.nit:592 */
+  /* parser/parser_nodes.nit:598 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASuperExternCall____n_kwsuper(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwsuper", LOCATE_parser___parser_nodes, 592);
+    nit_abort("Uninitialized attribute %s", "_n_kwsuper", LOCATE_parser___parser_nodes, 598);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperExternCall____n_kwsuper(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2370,18 +2370,18 @@ val_t parser___parser_nodes___ACastAsExternCall___n_from_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 599;
+  fra.me.line = 605;
   fra.me.meth = LOCATE_parser___parser_nodes___ACastAsExternCall___n_from_type;
   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;
-  /* parser/parser_nodes.nit:599 */
+  /* parser/parser_nodes.nit:605 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACastAsExternCall____n_from_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_from_type", LOCATE_parser___parser_nodes, 599);
+    nit_abort("Uninitialized attribute %s", "_n_from_type", LOCATE_parser___parser_nodes, 605);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACastAsExternCall____n_from_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2394,18 +2394,18 @@ val_t parser___parser_nodes___ACastAsExternCall___n_kwas(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 600;
+  fra.me.line = 606;
   fra.me.meth = LOCATE_parser___parser_nodes___ACastAsExternCall___n_kwas;
   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;
-  /* parser/parser_nodes.nit:600 */
+  /* parser/parser_nodes.nit:606 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACastAsExternCall____n_kwas(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 600);
+    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 606);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACastAsExternCall____n_kwas(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2418,18 +2418,18 @@ val_t parser___parser_nodes___ACastAsExternCall___n_to_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 601;
+  fra.me.line = 607;
   fra.me.meth = LOCATE_parser___parser_nodes___ACastAsExternCall___n_to_type;
   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;
-  /* parser/parser_nodes.nit:601 */
+  /* parser/parser_nodes.nit:607 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACastAsExternCall____n_to_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_to_type", LOCATE_parser___parser_nodes, 601);
+    nit_abort("Uninitialized attribute %s", "_n_to_type", LOCATE_parser___parser_nodes, 607);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACastAsExternCall____n_to_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2442,18 +2442,18 @@ val_t parser___parser_nodes___AAsNullableExternCall___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 605;
+  fra.me.line = 611;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNullableExternCall___n_type;
   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;
-  /* parser/parser_nodes.nit:605 */
+  /* parser/parser_nodes.nit:611 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNullableExternCall____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 605);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 611);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNullableExternCall____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2466,18 +2466,18 @@ val_t parser___parser_nodes___AAsNullableExternCall___n_kwas(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 606;
+  fra.me.line = 612;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNullableExternCall___n_kwas;
   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;
-  /* parser/parser_nodes.nit:606 */
+  /* parser/parser_nodes.nit:612 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNullableExternCall____n_kwas(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 606);
+    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 612);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNullableExternCall____n_kwas(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2490,18 +2490,18 @@ val_t parser___parser_nodes___AAsNullableExternCall___n_kwnullable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 607;
+  fra.me.line = 613;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNullableExternCall___n_kwnullable;
   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;
-  /* parser/parser_nodes.nit:607 */
+  /* parser/parser_nodes.nit:613 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNullableExternCall____n_kwnullable(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnullable", LOCATE_parser___parser_nodes, 607);
+    nit_abort("Uninitialized attribute %s", "_n_kwnullable", LOCATE_parser___parser_nodes, 613);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNullableExternCall____n_kwnullable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2514,18 +2514,18 @@ val_t parser___parser_nodes___AAsNotNullableExternCall___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 611;
+  fra.me.line = 617;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotNullableExternCall___n_type;
   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;
-  /* parser/parser_nodes.nit:611 */
+  /* parser/parser_nodes.nit:617 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 611);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 617);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2538,18 +2538,18 @@ val_t parser___parser_nodes___AAsNotNullableExternCall___n_kwas(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 612;
+  fra.me.line = 618;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotNullableExternCall___n_kwas;
   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;
-  /* parser/parser_nodes.nit:612 */
+  /* parser/parser_nodes.nit:618 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_kwas(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 612);
+    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 618);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_kwas(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2562,18 +2562,18 @@ val_t parser___parser_nodes___AAsNotNullableExternCall___n_kwnot(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 613;
+  fra.me.line = 619;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotNullableExternCall___n_kwnot;
   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;
-  /* parser/parser_nodes.nit:613 */
+  /* parser/parser_nodes.nit:619 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_kwnot(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnot", LOCATE_parser___parser_nodes, 613);
+    nit_abort("Uninitialized attribute %s", "_n_kwnot", LOCATE_parser___parser_nodes, 619);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_kwnot(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2586,18 +2586,18 @@ val_t parser___parser_nodes___AAsNotNullableExternCall___n_kwnullable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 614;
+  fra.me.line = 620;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotNullableExternCall___n_kwnullable;
   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;
-  /* parser/parser_nodes.nit:614 */
+  /* parser/parser_nodes.nit:620 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_kwnullable(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnullable", LOCATE_parser___parser_nodes, 614);
+    nit_abort("Uninitialized attribute %s", "_n_kwnullable", LOCATE_parser___parser_nodes, 620);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotNullableExternCall____n_kwnullable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2609,14 +2609,14 @@ val_t parser___parser_nodes___ATypePropdef___n_kwredef(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 618;
+  fra.me.line = 624;
   fra.me.meth = LOCATE_parser___parser_nodes___ATypePropdef___n_kwredef;
   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;
-  /* parser/parser_nodes.nit:618 */
+  /* parser/parser_nodes.nit:624 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ATypePropdef____n_kwredef(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2628,18 +2628,18 @@ val_t parser___parser_nodes___ATypePropdef___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 619;
+  fra.me.line = 625;
   fra.me.meth = LOCATE_parser___parser_nodes___ATypePropdef___n_visibility;
   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;
-  /* parser/parser_nodes.nit:619 */
+  /* parser/parser_nodes.nit:625 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ATypePropdef____n_visibility(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 619);
+    nit_abort("Uninitialized attribute %s", "_n_visibility", LOCATE_parser___parser_nodes, 625);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ATypePropdef____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2652,18 +2652,18 @@ val_t parser___parser_nodes___ATypePropdef___n_kwtype(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 620;
+  fra.me.line = 626;
   fra.me.meth = LOCATE_parser___parser_nodes___ATypePropdef___n_kwtype;
   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;
-  /* parser/parser_nodes.nit:620 */
+  /* parser/parser_nodes.nit:626 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ATypePropdef____n_kwtype(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwtype", LOCATE_parser___parser_nodes, 620);
+    nit_abort("Uninitialized attribute %s", "_n_kwtype", LOCATE_parser___parser_nodes, 626);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ATypePropdef____n_kwtype(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2676,18 +2676,18 @@ val_t parser___parser_nodes___ATypePropdef___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 621;
+  fra.me.line = 627;
   fra.me.meth = LOCATE_parser___parser_nodes___ATypePropdef___n_id;
   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;
-  /* parser/parser_nodes.nit:621 */
+  /* parser/parser_nodes.nit:627 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ATypePropdef____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 621);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 627);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ATypePropdef____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2700,18 +2700,18 @@ val_t parser___parser_nodes___ATypePropdef___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 622;
+  fra.me.line = 628;
   fra.me.meth = LOCATE_parser___parser_nodes___ATypePropdef___n_type;
   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;
-  /* parser/parser_nodes.nit:622 */
+  /* parser/parser_nodes.nit:628 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ATypePropdef____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 622);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 628);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ATypePropdef____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2723,14 +2723,14 @@ val_t parser___parser_nodes___AAble___n_visibility(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 625;
+  fra.me.line = 631;
   fra.me.meth = LOCATE_parser___parser_nodes___AAble___n_visibility;
   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;
-  /* parser/parser_nodes.nit:625 */
+  /* parser/parser_nodes.nit:631 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAble____n_visibility(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2741,14 +2741,14 @@ val_t parser___parser_nodes___AAble___n_kwredef(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 626;
+  fra.me.line = 632;
   fra.me.meth = LOCATE_parser___parser_nodes___AAble___n_kwredef;
   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;
-  /* parser/parser_nodes.nit:626 */
+  /* parser/parser_nodes.nit:632 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAble____n_kwredef(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -2760,18 +2760,18 @@ val_t parser___parser_nodes___AReadAble___n_kwreadable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 630;
+  fra.me.line = 636;
   fra.me.meth = LOCATE_parser___parser_nodes___AReadAble___n_kwreadable;
   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;
-  /* parser/parser_nodes.nit:630 */
+  /* parser/parser_nodes.nit:636 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AReadAble____n_kwreadable(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwreadable", LOCATE_parser___parser_nodes, 630);
+    nit_abort("Uninitialized attribute %s", "_n_kwreadable", LOCATE_parser___parser_nodes, 636);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AReadAble____n_kwreadable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2784,18 +2784,18 @@ val_t parser___parser_nodes___AWriteAble___n_kwwritable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 634;
+  fra.me.line = 640;
   fra.me.meth = LOCATE_parser___parser_nodes___AWriteAble___n_kwwritable;
   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;
-  /* parser/parser_nodes.nit:634 */
+  /* parser/parser_nodes.nit:640 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AWriteAble____n_kwwritable(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwwritable", LOCATE_parser___parser_nodes, 634);
+    nit_abort("Uninitialized attribute %s", "_n_kwwritable", LOCATE_parser___parser_nodes, 640);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AWriteAble____n_kwwritable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2808,18 +2808,18 @@ val_t parser___parser_nodes___AIdMethid___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 639;
+  fra.me.line = 645;
   fra.me.meth = LOCATE_parser___parser_nodes___AIdMethid___n_id;
   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;
-  /* parser/parser_nodes.nit:639 */
+  /* parser/parser_nodes.nit:645 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIdMethid____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 639);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 645);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIdMethid____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2832,18 +2832,18 @@ val_t parser___parser_nodes___APlusMethid___n_plus(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 643;
+  fra.me.line = 649;
   fra.me.meth = LOCATE_parser___parser_nodes___APlusMethid___n_plus;
   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;
-  /* parser/parser_nodes.nit:643 */
+  /* parser/parser_nodes.nit:649 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___APlusMethid____n_plus(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_plus", LOCATE_parser___parser_nodes, 643);
+    nit_abort("Uninitialized attribute %s", "_n_plus", LOCATE_parser___parser_nodes, 649);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___APlusMethid____n_plus(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2856,18 +2856,18 @@ val_t parser___parser_nodes___AMinusMethid___n_minus(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 647;
+  fra.me.line = 653;
   fra.me.meth = LOCATE_parser___parser_nodes___AMinusMethid___n_minus;
   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;
-  /* parser/parser_nodes.nit:647 */
+  /* parser/parser_nodes.nit:653 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AMinusMethid____n_minus(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_minus", LOCATE_parser___parser_nodes, 647);
+    nit_abort("Uninitialized attribute %s", "_n_minus", LOCATE_parser___parser_nodes, 653);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AMinusMethid____n_minus(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2880,18 +2880,18 @@ val_t parser___parser_nodes___AStarMethid___n_star(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 651;
+  fra.me.line = 657;
   fra.me.meth = LOCATE_parser___parser_nodes___AStarMethid___n_star;
   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;
-  /* parser/parser_nodes.nit:651 */
+  /* parser/parser_nodes.nit:657 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStarMethid____n_star(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_star", LOCATE_parser___parser_nodes, 651);
+    nit_abort("Uninitialized attribute %s", "_n_star", LOCATE_parser___parser_nodes, 657);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStarMethid____n_star(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2904,18 +2904,18 @@ val_t parser___parser_nodes___ASlashMethid___n_slash(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 655;
+  fra.me.line = 661;
   fra.me.meth = LOCATE_parser___parser_nodes___ASlashMethid___n_slash;
   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;
-  /* parser/parser_nodes.nit:655 */
+  /* parser/parser_nodes.nit:661 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASlashMethid____n_slash(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_slash", LOCATE_parser___parser_nodes, 655);
+    nit_abort("Uninitialized attribute %s", "_n_slash", LOCATE_parser___parser_nodes, 661);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASlashMethid____n_slash(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2928,18 +2928,18 @@ val_t parser___parser_nodes___APercentMethid___n_percent(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 659;
+  fra.me.line = 665;
   fra.me.meth = LOCATE_parser___parser_nodes___APercentMethid___n_percent;
   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;
-  /* parser/parser_nodes.nit:659 */
+  /* parser/parser_nodes.nit:665 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___APercentMethid____n_percent(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_percent", LOCATE_parser___parser_nodes, 659);
+    nit_abort("Uninitialized attribute %s", "_n_percent", LOCATE_parser___parser_nodes, 665);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___APercentMethid____n_percent(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2952,18 +2952,18 @@ val_t parser___parser_nodes___AEqMethid___n_eq(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 663;
+  fra.me.line = 669;
   fra.me.meth = LOCATE_parser___parser_nodes___AEqMethid___n_eq;
   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;
-  /* parser/parser_nodes.nit:663 */
+  /* parser/parser_nodes.nit:669 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AEqMethid____n_eq(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_eq", LOCATE_parser___parser_nodes, 663);
+    nit_abort("Uninitialized attribute %s", "_n_eq", LOCATE_parser___parser_nodes, 669);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AEqMethid____n_eq(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -2976,18 +2976,18 @@ val_t parser___parser_nodes___ANeMethid___n_ne(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 667;
+  fra.me.line = 673;
   fra.me.meth = LOCATE_parser___parser_nodes___ANeMethid___n_ne;
   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;
-  /* parser/parser_nodes.nit:667 */
+  /* parser/parser_nodes.nit:673 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANeMethid____n_ne(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_ne", LOCATE_parser___parser_nodes, 667);
+    nit_abort("Uninitialized attribute %s", "_n_ne", LOCATE_parser___parser_nodes, 673);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANeMethid____n_ne(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3000,18 +3000,18 @@ val_t parser___parser_nodes___ALeMethid___n_le(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 671;
+  fra.me.line = 677;
   fra.me.meth = LOCATE_parser___parser_nodes___ALeMethid___n_le;
   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;
-  /* parser/parser_nodes.nit:671 */
+  /* parser/parser_nodes.nit:677 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALeMethid____n_le(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_le", LOCATE_parser___parser_nodes, 671);
+    nit_abort("Uninitialized attribute %s", "_n_le", LOCATE_parser___parser_nodes, 677);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALeMethid____n_le(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3024,18 +3024,18 @@ val_t parser___parser_nodes___AGeMethid___n_ge(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 675;
+  fra.me.line = 681;
   fra.me.meth = LOCATE_parser___parser_nodes___AGeMethid___n_ge;
   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;
-  /* parser/parser_nodes.nit:675 */
+  /* parser/parser_nodes.nit:681 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AGeMethid____n_ge(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_ge", LOCATE_parser___parser_nodes, 675);
+    nit_abort("Uninitialized attribute %s", "_n_ge", LOCATE_parser___parser_nodes, 681);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AGeMethid____n_ge(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3048,18 +3048,18 @@ val_t parser___parser_nodes___ALtMethid___n_lt(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 679;
+  fra.me.line = 685;
   fra.me.meth = LOCATE_parser___parser_nodes___ALtMethid___n_lt;
   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;
-  /* parser/parser_nodes.nit:679 */
+  /* parser/parser_nodes.nit:685 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALtMethid____n_lt(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_lt", LOCATE_parser___parser_nodes, 679);
+    nit_abort("Uninitialized attribute %s", "_n_lt", LOCATE_parser___parser_nodes, 685);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALtMethid____n_lt(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3072,18 +3072,18 @@ val_t parser___parser_nodes___AGtMethid___n_gt(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 683;
+  fra.me.line = 689;
   fra.me.meth = LOCATE_parser___parser_nodes___AGtMethid___n_gt;
   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;
-  /* parser/parser_nodes.nit:683 */
+  /* parser/parser_nodes.nit:689 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AGtMethid____n_gt(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_gt", LOCATE_parser___parser_nodes, 683);
+    nit_abort("Uninitialized attribute %s", "_n_gt", LOCATE_parser___parser_nodes, 689);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AGtMethid____n_gt(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3096,18 +3096,18 @@ val_t parser___parser_nodes___ALlMethid___n_ll(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 687;
+  fra.me.line = 693;
   fra.me.meth = LOCATE_parser___parser_nodes___ALlMethid___n_ll;
   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;
-  /* parser/parser_nodes.nit:687 */
+  /* parser/parser_nodes.nit:693 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALlMethid____n_ll(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_ll", LOCATE_parser___parser_nodes, 687);
+    nit_abort("Uninitialized attribute %s", "_n_ll", LOCATE_parser___parser_nodes, 693);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALlMethid____n_ll(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3119,7 +3119,7 @@ void parser___parser_nodes___ALlMethid___n_ll__eq(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 687;
+  fra.me.line = 693;
   fra.me.meth = LOCATE_parser___parser_nodes___ALlMethid___n_ll__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
@@ -3128,7 +3128,7 @@ void parser___parser_nodes___ALlMethid___n_ll__eq(val_t p0, val_t p1){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* parser/parser_nodes.nit:687 */
+  /* parser/parser_nodes.nit:693 */
   ATTR_parser___parser_nodes___ALlMethid____n_ll(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
@@ -3140,18 +3140,18 @@ val_t parser___parser_nodes___AGgMethid___n_gg(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 691;
+  fra.me.line = 697;
   fra.me.meth = LOCATE_parser___parser_nodes___AGgMethid___n_gg;
   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;
-  /* parser/parser_nodes.nit:691 */
+  /* parser/parser_nodes.nit:697 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AGgMethid____n_gg(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_gg", LOCATE_parser___parser_nodes, 691);
+    nit_abort("Uninitialized attribute %s", "_n_gg", LOCATE_parser___parser_nodes, 697);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AGgMethid____n_gg(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3163,7 +3163,7 @@ void parser___parser_nodes___AGgMethid___n_gg__eq(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 691;
+  fra.me.line = 697;
   fra.me.meth = LOCATE_parser___parser_nodes___AGgMethid___n_gg__eq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
@@ -3172,7 +3172,7 @@ void parser___parser_nodes___AGgMethid___n_gg__eq(val_t p0, val_t p1){
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* parser/parser_nodes.nit:691 */
+  /* parser/parser_nodes.nit:697 */
   ATTR_parser___parser_nodes___AGgMethid____n_gg(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
@@ -3184,18 +3184,18 @@ val_t parser___parser_nodes___ABraMethid___n_obra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 695;
+  fra.me.line = 701;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraMethid___n_obra;
   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;
-  /* parser/parser_nodes.nit:695 */
+  /* parser/parser_nodes.nit:701 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraMethid____n_obra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 695);
+    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 701);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraMethid____n_obra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3208,18 +3208,18 @@ val_t parser___parser_nodes___ABraMethid___n_cbra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 696;
+  fra.me.line = 702;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraMethid___n_cbra;
   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;
-  /* parser/parser_nodes.nit:696 */
+  /* parser/parser_nodes.nit:702 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraMethid____n_cbra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 696);
+    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 702);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraMethid____n_cbra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3232,18 +3232,18 @@ val_t parser___parser_nodes___AStarshipMethid___n_starship(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 700;
+  fra.me.line = 706;
   fra.me.meth = LOCATE_parser___parser_nodes___AStarshipMethid___n_starship;
   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;
-  /* parser/parser_nodes.nit:700 */
+  /* parser/parser_nodes.nit:706 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStarshipMethid____n_starship(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_starship", LOCATE_parser___parser_nodes, 700);
+    nit_abort("Uninitialized attribute %s", "_n_starship", LOCATE_parser___parser_nodes, 706);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AStarshipMethid____n_starship(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3256,18 +3256,18 @@ val_t parser___parser_nodes___AAssignMethid___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 704;
+  fra.me.line = 710;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssignMethid___n_id;
   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;
-  /* parser/parser_nodes.nit:704 */
+  /* parser/parser_nodes.nit:710 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAssignMethid____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 704);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 710);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssignMethid____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3280,18 +3280,18 @@ val_t parser___parser_nodes___AAssignMethid___n_assign(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 705;
+  fra.me.line = 711;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssignMethid___n_assign;
   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;
-  /* parser/parser_nodes.nit:705 */
+  /* parser/parser_nodes.nit:711 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAssignMethid____n_assign(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_assign", LOCATE_parser___parser_nodes, 705);
+    nit_abort("Uninitialized attribute %s", "_n_assign", LOCATE_parser___parser_nodes, 711);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssignMethid____n_assign(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3304,18 +3304,18 @@ val_t parser___parser_nodes___ABraassignMethid___n_obra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 709;
+  fra.me.line = 715;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraassignMethid___n_obra;
   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;
-  /* parser/parser_nodes.nit:709 */
+  /* parser/parser_nodes.nit:715 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraassignMethid____n_obra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 709);
+    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 715);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraassignMethid____n_obra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3328,18 +3328,18 @@ val_t parser___parser_nodes___ABraassignMethid___n_cbra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 710;
+  fra.me.line = 716;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraassignMethid___n_cbra;
   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;
-  /* parser/parser_nodes.nit:710 */
+  /* parser/parser_nodes.nit:716 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraassignMethid____n_cbra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 710);
+    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 716);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraassignMethid____n_cbra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3352,18 +3352,18 @@ val_t parser___parser_nodes___ABraassignMethid___n_assign(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 711;
+  fra.me.line = 717;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraassignMethid___n_assign;
   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;
-  /* parser/parser_nodes.nit:711 */
+  /* parser/parser_nodes.nit:717 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraassignMethid____n_assign(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_assign", LOCATE_parser___parser_nodes, 711);
+    nit_abort("Uninitialized attribute %s", "_n_assign", LOCATE_parser___parser_nodes, 717);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraassignMethid____n_assign(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3375,14 +3375,14 @@ val_t parser___parser_nodes___ASignature___n_opar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 715;
+  fra.me.line = 721;
   fra.me.meth = LOCATE_parser___parser_nodes___ASignature___n_opar;
   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;
-  /* parser/parser_nodes.nit:715 */
+  /* parser/parser_nodes.nit:721 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASignature____n_opar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3394,18 +3394,18 @@ val_t parser___parser_nodes___ASignature___n_params(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 716;
+  fra.me.line = 722;
   fra.me.meth = LOCATE_parser___parser_nodes___ASignature___n_params;
   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;
-  /* parser/parser_nodes.nit:716 */
+  /* parser/parser_nodes.nit:722 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASignature____n_params(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_params", LOCATE_parser___parser_nodes, 716);
+    nit_abort("Uninitialized attribute %s", "_n_params", LOCATE_parser___parser_nodes, 722);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASignature____n_params(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3417,14 +3417,14 @@ val_t parser___parser_nodes___ASignature___n_cpar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 717;
+  fra.me.line = 723;
   fra.me.meth = LOCATE_parser___parser_nodes___ASignature___n_cpar;
   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;
-  /* parser/parser_nodes.nit:717 */
+  /* parser/parser_nodes.nit:723 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASignature____n_cpar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3435,14 +3435,14 @@ val_t parser___parser_nodes___ASignature___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 718;
+  fra.me.line = 724;
   fra.me.meth = LOCATE_parser___parser_nodes___ASignature___n_type;
   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;
-  /* parser/parser_nodes.nit:718 */
+  /* parser/parser_nodes.nit:724 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASignature____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3454,18 +3454,18 @@ val_t parser___parser_nodes___ASignature___n_closure_decls(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 719;
+  fra.me.line = 725;
   fra.me.meth = LOCATE_parser___parser_nodes___ASignature___n_closure_decls;
   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;
-  /* parser/parser_nodes.nit:719 */
+  /* parser/parser_nodes.nit:725 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASignature____n_closure_decls(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_closure_decls", LOCATE_parser___parser_nodes, 719);
+    nit_abort("Uninitialized attribute %s", "_n_closure_decls", LOCATE_parser___parser_nodes, 725);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASignature____n_closure_decls(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3478,18 +3478,18 @@ val_t parser___parser_nodes___AParam___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 723;
+  fra.me.line = 729;
   fra.me.meth = LOCATE_parser___parser_nodes___AParam___n_id;
   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;
-  /* parser/parser_nodes.nit:723 */
+  /* parser/parser_nodes.nit:729 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AParam____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 723);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 729);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParam____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3501,14 +3501,14 @@ val_t parser___parser_nodes___AParam___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 724;
+  fra.me.line = 730;
   fra.me.meth = LOCATE_parser___parser_nodes___AParam___n_type;
   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;
-  /* parser/parser_nodes.nit:724 */
+  /* parser/parser_nodes.nit:730 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParam____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3519,14 +3519,14 @@ val_t parser___parser_nodes___AParam___n_dotdotdot(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 725;
+  fra.me.line = 731;
   fra.me.meth = LOCATE_parser___parser_nodes___AParam___n_dotdotdot;
   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;
-  /* parser/parser_nodes.nit:725 */
+  /* parser/parser_nodes.nit:731 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParam____n_dotdotdot(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3537,14 +3537,14 @@ val_t parser___parser_nodes___AClosureDecl___n_kwbreak(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 729;
+  fra.me.line = 735;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDecl___n_kwbreak;
   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;
-  /* parser/parser_nodes.nit:729 */
+  /* parser/parser_nodes.nit:735 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDecl____n_kwbreak(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3556,18 +3556,18 @@ val_t parser___parser_nodes___AClosureDecl___n_bang(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 730;
+  fra.me.line = 736;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDecl___n_bang;
   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;
-  /* parser/parser_nodes.nit:730 */
+  /* parser/parser_nodes.nit:736 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureDecl____n_bang(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_bang", LOCATE_parser___parser_nodes, 730);
+    nit_abort("Uninitialized attribute %s", "_n_bang", LOCATE_parser___parser_nodes, 736);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDecl____n_bang(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3580,18 +3580,18 @@ val_t parser___parser_nodes___AClosureDecl___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 731;
+  fra.me.line = 737;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDecl___n_id;
   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;
-  /* parser/parser_nodes.nit:731 */
+  /* parser/parser_nodes.nit:737 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureDecl____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 731);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 737);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDecl____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3604,18 +3604,18 @@ val_t parser___parser_nodes___AClosureDecl___n_signature(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 732;
+  fra.me.line = 738;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDecl___n_signature;
   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;
-  /* parser/parser_nodes.nit:732 */
+  /* parser/parser_nodes.nit:738 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureDecl____n_signature(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_signature", LOCATE_parser___parser_nodes, 732);
+    nit_abort("Uninitialized attribute %s", "_n_signature", LOCATE_parser___parser_nodes, 738);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDecl____n_signature(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3627,14 +3627,14 @@ val_t parser___parser_nodes___AClosureDecl___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 733;
+  fra.me.line = 739;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDecl___n_expr;
   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;
-  /* parser/parser_nodes.nit:733 */
+  /* parser/parser_nodes.nit:739 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDecl____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3645,14 +3645,14 @@ val_t parser___parser_nodes___AType___n_kwnullable(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 737;
+  fra.me.line = 743;
   fra.me.meth = LOCATE_parser___parser_nodes___AType___n_kwnullable;
   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;
-  /* parser/parser_nodes.nit:737 */
+  /* parser/parser_nodes.nit:743 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AType____n_kwnullable(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3664,18 +3664,18 @@ val_t parser___parser_nodes___AType___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 738;
+  fra.me.line = 744;
   fra.me.meth = LOCATE_parser___parser_nodes___AType___n_id;
   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;
-  /* parser/parser_nodes.nit:738 */
+  /* parser/parser_nodes.nit:744 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AType____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 738);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 744);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AType____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3688,18 +3688,18 @@ val_t parser___parser_nodes___AType___n_types(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 739;
+  fra.me.line = 745;
   fra.me.meth = LOCATE_parser___parser_nodes___AType___n_types;
   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;
-  /* parser/parser_nodes.nit:739 */
+  /* parser/parser_nodes.nit:745 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AType____n_types(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_types", LOCATE_parser___parser_nodes, 739);
+    nit_abort("Uninitialized attribute %s", "_n_types", LOCATE_parser___parser_nodes, 745);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AType____n_types(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3712,18 +3712,18 @@ val_t parser___parser_nodes___ALabel___n_kwlabel(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 743;
+  fra.me.line = 749;
   fra.me.meth = LOCATE_parser___parser_nodes___ALabel___n_kwlabel;
   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;
-  /* parser/parser_nodes.nit:743 */
+  /* parser/parser_nodes.nit:749 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALabel____n_kwlabel(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwlabel", LOCATE_parser___parser_nodes, 743);
+    nit_abort("Uninitialized attribute %s", "_n_kwlabel", LOCATE_parser___parser_nodes, 749);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALabel____n_kwlabel(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3736,18 +3736,18 @@ val_t parser___parser_nodes___ALabel___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 744;
+  fra.me.line = 750;
   fra.me.meth = LOCATE_parser___parser_nodes___ALabel___n_id;
   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;
-  /* parser/parser_nodes.nit:744 */
+  /* parser/parser_nodes.nit:750 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALabel____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 744);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 750);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALabel____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3760,18 +3760,18 @@ val_t parser___parser_nodes___ABlockExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 749;
+  fra.me.line = 755;
   fra.me.meth = LOCATE_parser___parser_nodes___ABlockExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:749 */
+  /* parser/parser_nodes.nit:755 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABlockExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 749);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 755);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABlockExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3783,14 +3783,14 @@ val_t parser___parser_nodes___ABlockExpr___n_kwend(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 750;
+  fra.me.line = 756;
   fra.me.meth = LOCATE_parser___parser_nodes___ABlockExpr___n_kwend;
   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;
-  /* parser/parser_nodes.nit:750 */
+  /* parser/parser_nodes.nit:756 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABlockExpr____n_kwend(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3802,18 +3802,18 @@ val_t parser___parser_nodes___AVardeclExpr___n_kwvar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 754;
+  fra.me.line = 760;
   fra.me.meth = LOCATE_parser___parser_nodes___AVardeclExpr___n_kwvar;
   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;
-  /* parser/parser_nodes.nit:754 */
+  /* parser/parser_nodes.nit:760 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AVardeclExpr____n_kwvar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwvar", LOCATE_parser___parser_nodes, 754);
+    nit_abort("Uninitialized attribute %s", "_n_kwvar", LOCATE_parser___parser_nodes, 760);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AVardeclExpr____n_kwvar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3826,18 +3826,18 @@ val_t parser___parser_nodes___AVardeclExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 755;
+  fra.me.line = 761;
   fra.me.meth = LOCATE_parser___parser_nodes___AVardeclExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:755 */
+  /* parser/parser_nodes.nit:761 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AVardeclExpr____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 755);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 761);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AVardeclExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3849,14 +3849,14 @@ val_t parser___parser_nodes___AVardeclExpr___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 756;
+  fra.me.line = 762;
   fra.me.meth = LOCATE_parser___parser_nodes___AVardeclExpr___n_type;
   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;
-  /* parser/parser_nodes.nit:756 */
+  /* parser/parser_nodes.nit:762 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AVardeclExpr____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3867,14 +3867,14 @@ val_t parser___parser_nodes___AVardeclExpr___n_assign(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 757;
+  fra.me.line = 763;
   fra.me.meth = LOCATE_parser___parser_nodes___AVardeclExpr___n_assign;
   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;
-  /* parser/parser_nodes.nit:757 */
+  /* parser/parser_nodes.nit:763 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AVardeclExpr____n_assign(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3885,14 +3885,14 @@ val_t parser___parser_nodes___AVardeclExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 758;
+  fra.me.line = 764;
   fra.me.meth = LOCATE_parser___parser_nodes___AVardeclExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:758 */
+  /* parser/parser_nodes.nit:764 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AVardeclExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3903,14 +3903,14 @@ val_t parser___parser_nodes___AReturnExpr___n_kwreturn(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 762;
+  fra.me.line = 768;
   fra.me.meth = LOCATE_parser___parser_nodes___AReturnExpr___n_kwreturn;
   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;
-  /* parser/parser_nodes.nit:762 */
+  /* parser/parser_nodes.nit:768 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AReturnExpr____n_kwreturn(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3921,14 +3921,14 @@ val_t parser___parser_nodes___AReturnExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 763;
+  fra.me.line = 769;
   fra.me.meth = LOCATE_parser___parser_nodes___AReturnExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:763 */
+  /* parser/parser_nodes.nit:769 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AReturnExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3939,14 +3939,14 @@ val_t parser___parser_nodes___ALabelable___n_label(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 767;
+  fra.me.line = 773;
   fra.me.meth = LOCATE_parser___parser_nodes___ALabelable___n_label;
   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;
-  /* parser/parser_nodes.nit:767 */
+  /* parser/parser_nodes.nit:773 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALabelable____n_label(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -3958,18 +3958,18 @@ val_t parser___parser_nodes___ABreakExpr___n_kwbreak(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 772;
+  fra.me.line = 778;
   fra.me.meth = LOCATE_parser___parser_nodes___ABreakExpr___n_kwbreak;
   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;
-  /* parser/parser_nodes.nit:772 */
+  /* parser/parser_nodes.nit:778 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABreakExpr____n_kwbreak(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwbreak", LOCATE_parser___parser_nodes, 772);
+    nit_abort("Uninitialized attribute %s", "_n_kwbreak", LOCATE_parser___parser_nodes, 778);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABreakExpr____n_kwbreak(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -3981,14 +3981,14 @@ val_t parser___parser_nodes___ABreakExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 773;
+  fra.me.line = 779;
   fra.me.meth = LOCATE_parser___parser_nodes___ABreakExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:773 */
+  /* parser/parser_nodes.nit:779 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABreakExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4000,18 +4000,18 @@ val_t parser___parser_nodes___AAbortExpr___n_kwabort(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 777;
+  fra.me.line = 783;
   fra.me.meth = LOCATE_parser___parser_nodes___AAbortExpr___n_kwabort;
   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;
-  /* parser/parser_nodes.nit:777 */
+  /* parser/parser_nodes.nit:783 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAbortExpr____n_kwabort(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwabort", LOCATE_parser___parser_nodes, 777);
+    nit_abort("Uninitialized attribute %s", "_n_kwabort", LOCATE_parser___parser_nodes, 783);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAbortExpr____n_kwabort(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4023,14 +4023,14 @@ val_t parser___parser_nodes___AContinueExpr___n_kwcontinue(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 782;
+  fra.me.line = 788;
   fra.me.meth = LOCATE_parser___parser_nodes___AContinueExpr___n_kwcontinue;
   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;
-  /* parser/parser_nodes.nit:782 */
+  /* parser/parser_nodes.nit:788 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AContinueExpr____n_kwcontinue(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4041,14 +4041,14 @@ val_t parser___parser_nodes___AContinueExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 783;
+  fra.me.line = 789;
   fra.me.meth = LOCATE_parser___parser_nodes___AContinueExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:783 */
+  /* parser/parser_nodes.nit:789 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AContinueExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4060,18 +4060,18 @@ val_t parser___parser_nodes___ADoExpr___n_kwdo(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 788;
+  fra.me.line = 794;
   fra.me.meth = LOCATE_parser___parser_nodes___ADoExpr___n_kwdo;
   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;
-  /* parser/parser_nodes.nit:788 */
+  /* parser/parser_nodes.nit:794 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADoExpr____n_kwdo(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwdo", LOCATE_parser___parser_nodes, 788);
+    nit_abort("Uninitialized attribute %s", "_n_kwdo", LOCATE_parser___parser_nodes, 794);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADoExpr____n_kwdo(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4083,14 +4083,14 @@ val_t parser___parser_nodes___ADoExpr___n_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 789;
+  fra.me.line = 795;
   fra.me.meth = LOCATE_parser___parser_nodes___ADoExpr___n_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:789 */
+  /* parser/parser_nodes.nit:795 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADoExpr____n_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4102,18 +4102,18 @@ val_t parser___parser_nodes___AIfExpr___n_kwif(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 793;
+  fra.me.line = 799;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfExpr___n_kwif;
   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;
-  /* parser/parser_nodes.nit:793 */
+  /* parser/parser_nodes.nit:799 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfExpr____n_kwif(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwif", LOCATE_parser___parser_nodes, 793);
+    nit_abort("Uninitialized attribute %s", "_n_kwif", LOCATE_parser___parser_nodes, 799);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfExpr____n_kwif(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4126,18 +4126,18 @@ val_t parser___parser_nodes___AIfExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 794;
+  fra.me.line = 800;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:794 */
+  /* parser/parser_nodes.nit:800 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 794);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 800);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4149,14 +4149,14 @@ val_t parser___parser_nodes___AIfExpr___n_then(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 795;
+  fra.me.line = 801;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfExpr___n_then;
   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;
-  /* parser/parser_nodes.nit:795 */
+  /* parser/parser_nodes.nit:801 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfExpr____n_then(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4167,14 +4167,14 @@ val_t parser___parser_nodes___AIfExpr___n_else(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 796;
+  fra.me.line = 802;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfExpr___n_else;
   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;
-  /* parser/parser_nodes.nit:796 */
+  /* parser/parser_nodes.nit:802 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfExpr____n_else(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4186,18 +4186,18 @@ val_t parser___parser_nodes___AIfexprExpr___n_kwif(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 800;
+  fra.me.line = 806;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfexprExpr___n_kwif;
   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;
-  /* parser/parser_nodes.nit:800 */
+  /* parser/parser_nodes.nit:806 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfexprExpr____n_kwif(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwif", LOCATE_parser___parser_nodes, 800);
+    nit_abort("Uninitialized attribute %s", "_n_kwif", LOCATE_parser___parser_nodes, 806);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfexprExpr____n_kwif(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4210,18 +4210,18 @@ val_t parser___parser_nodes___AIfexprExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 801;
+  fra.me.line = 807;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfexprExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:801 */
+  /* parser/parser_nodes.nit:807 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfexprExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 801);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 807);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfexprExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4234,18 +4234,18 @@ val_t parser___parser_nodes___AIfexprExpr___n_kwthen(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 802;
+  fra.me.line = 808;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfexprExpr___n_kwthen;
   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;
-  /* parser/parser_nodes.nit:802 */
+  /* parser/parser_nodes.nit:808 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfexprExpr____n_kwthen(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwthen", LOCATE_parser___parser_nodes, 802);
+    nit_abort("Uninitialized attribute %s", "_n_kwthen", LOCATE_parser___parser_nodes, 808);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfexprExpr____n_kwthen(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4258,18 +4258,18 @@ val_t parser___parser_nodes___AIfexprExpr___n_then(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 803;
+  fra.me.line = 809;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfexprExpr___n_then;
   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;
-  /* parser/parser_nodes.nit:803 */
+  /* parser/parser_nodes.nit:809 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfexprExpr____n_then(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_then", LOCATE_parser___parser_nodes, 803);
+    nit_abort("Uninitialized attribute %s", "_n_then", LOCATE_parser___parser_nodes, 809);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfexprExpr____n_then(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4282,18 +4282,18 @@ val_t parser___parser_nodes___AIfexprExpr___n_kwelse(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 804;
+  fra.me.line = 810;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfexprExpr___n_kwelse;
   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;
-  /* parser/parser_nodes.nit:804 */
+  /* parser/parser_nodes.nit:810 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfexprExpr____n_kwelse(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwelse", LOCATE_parser___parser_nodes, 804);
+    nit_abort("Uninitialized attribute %s", "_n_kwelse", LOCATE_parser___parser_nodes, 810);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfexprExpr____n_kwelse(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4306,18 +4306,18 @@ val_t parser___parser_nodes___AIfexprExpr___n_else(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 805;
+  fra.me.line = 811;
   fra.me.meth = LOCATE_parser___parser_nodes___AIfexprExpr___n_else;
   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;
-  /* parser/parser_nodes.nit:805 */
+  /* parser/parser_nodes.nit:811 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIfexprExpr____n_else(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_else", LOCATE_parser___parser_nodes, 805);
+    nit_abort("Uninitialized attribute %s", "_n_else", LOCATE_parser___parser_nodes, 811);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIfexprExpr____n_else(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4330,18 +4330,18 @@ val_t parser___parser_nodes___AWhileExpr___n_kwwhile(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 810;
+  fra.me.line = 816;
   fra.me.meth = LOCATE_parser___parser_nodes___AWhileExpr___n_kwwhile;
   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;
-  /* parser/parser_nodes.nit:810 */
+  /* parser/parser_nodes.nit:816 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AWhileExpr____n_kwwhile(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwwhile", LOCATE_parser___parser_nodes, 810);
+    nit_abort("Uninitialized attribute %s", "_n_kwwhile", LOCATE_parser___parser_nodes, 816);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AWhileExpr____n_kwwhile(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4354,18 +4354,18 @@ val_t parser___parser_nodes___AWhileExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 811;
+  fra.me.line = 817;
   fra.me.meth = LOCATE_parser___parser_nodes___AWhileExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:811 */
+  /* parser/parser_nodes.nit:817 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AWhileExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 811);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 817);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AWhileExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4378,18 +4378,18 @@ val_t parser___parser_nodes___AWhileExpr___n_kwdo(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 812;
+  fra.me.line = 818;
   fra.me.meth = LOCATE_parser___parser_nodes___AWhileExpr___n_kwdo;
   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;
-  /* parser/parser_nodes.nit:812 */
+  /* parser/parser_nodes.nit:818 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AWhileExpr____n_kwdo(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwdo", LOCATE_parser___parser_nodes, 812);
+    nit_abort("Uninitialized attribute %s", "_n_kwdo", LOCATE_parser___parser_nodes, 818);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AWhileExpr____n_kwdo(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4401,14 +4401,14 @@ val_t parser___parser_nodes___AWhileExpr___n_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 813;
+  fra.me.line = 819;
   fra.me.meth = LOCATE_parser___parser_nodes___AWhileExpr___n_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:813 */
+  /* parser/parser_nodes.nit:819 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AWhileExpr____n_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4420,18 +4420,18 @@ val_t parser___parser_nodes___ALoopExpr___n_kwloop(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 818;
+  fra.me.line = 824;
   fra.me.meth = LOCATE_parser___parser_nodes___ALoopExpr___n_kwloop;
   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;
-  /* parser/parser_nodes.nit:818 */
+  /* parser/parser_nodes.nit:824 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ALoopExpr____n_kwloop(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwloop", LOCATE_parser___parser_nodes, 818);
+    nit_abort("Uninitialized attribute %s", "_n_kwloop", LOCATE_parser___parser_nodes, 824);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALoopExpr____n_kwloop(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4443,14 +4443,14 @@ val_t parser___parser_nodes___ALoopExpr___n_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 819;
+  fra.me.line = 825;
   fra.me.meth = LOCATE_parser___parser_nodes___ALoopExpr___n_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:819 */
+  /* parser/parser_nodes.nit:825 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ALoopExpr____n_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4462,18 +4462,18 @@ val_t parser___parser_nodes___AForExpr___n_kwfor(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 824;
+  fra.me.line = 830;
   fra.me.meth = LOCATE_parser___parser_nodes___AForExpr___n_kwfor;
   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;
-  /* parser/parser_nodes.nit:824 */
+  /* parser/parser_nodes.nit:830 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AForExpr____n_kwfor(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwfor", LOCATE_parser___parser_nodes, 824);
+    nit_abort("Uninitialized attribute %s", "_n_kwfor", LOCATE_parser___parser_nodes, 830);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AForExpr____n_kwfor(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4486,18 +4486,18 @@ val_t parser___parser_nodes___AForExpr___n_ids(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 825;
+  fra.me.line = 831;
   fra.me.meth = LOCATE_parser___parser_nodes___AForExpr___n_ids;
   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;
-  /* parser/parser_nodes.nit:825 */
+  /* parser/parser_nodes.nit:831 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AForExpr____n_ids(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_ids", LOCATE_parser___parser_nodes, 825);
+    nit_abort("Uninitialized attribute %s", "_n_ids", LOCATE_parser___parser_nodes, 831);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AForExpr____n_ids(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4510,18 +4510,18 @@ val_t parser___parser_nodes___AForExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 826;
+  fra.me.line = 832;
   fra.me.meth = LOCATE_parser___parser_nodes___AForExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:826 */
+  /* parser/parser_nodes.nit:832 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AForExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 826);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 832);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AForExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4534,18 +4534,18 @@ val_t parser___parser_nodes___AForExpr___n_kwdo(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 827;
+  fra.me.line = 833;
   fra.me.meth = LOCATE_parser___parser_nodes___AForExpr___n_kwdo;
   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;
-  /* parser/parser_nodes.nit:827 */
+  /* parser/parser_nodes.nit:833 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AForExpr____n_kwdo(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwdo", LOCATE_parser___parser_nodes, 827);
+    nit_abort("Uninitialized attribute %s", "_n_kwdo", LOCATE_parser___parser_nodes, 833);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AForExpr____n_kwdo(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4557,14 +4557,14 @@ val_t parser___parser_nodes___AForExpr___n_block(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 828;
+  fra.me.line = 834;
   fra.me.meth = LOCATE_parser___parser_nodes___AForExpr___n_block;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:828 */
+  /* parser/parser_nodes.nit:834 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AForExpr____n_block(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4576,18 +4576,18 @@ val_t parser___parser_nodes___AAssertExpr___n_kwassert(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 832;
+  fra.me.line = 838;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssertExpr___n_kwassert;
   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;
-  /* parser/parser_nodes.nit:832 */
+  /* parser/parser_nodes.nit:838 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAssertExpr____n_kwassert(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwassert", LOCATE_parser___parser_nodes, 832);
+    nit_abort("Uninitialized attribute %s", "_n_kwassert", LOCATE_parser___parser_nodes, 838);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssertExpr____n_kwassert(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4599,14 +4599,14 @@ val_t parser___parser_nodes___AAssertExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 833;
+  fra.me.line = 839;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssertExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:833 */
+  /* parser/parser_nodes.nit:839 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssertExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4618,18 +4618,18 @@ val_t parser___parser_nodes___AAssertExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 834;
+  fra.me.line = 840;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssertExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:834 */
+  /* parser/parser_nodes.nit:840 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAssertExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 834);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 840);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssertExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4641,14 +4641,14 @@ val_t parser___parser_nodes___AAssertExpr___n_else(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 835;
+  fra.me.line = 841;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssertExpr___n_else;
   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;
-  /* parser/parser_nodes.nit:835 */
+  /* parser/parser_nodes.nit:841 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssertExpr____n_else(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -4660,18 +4660,18 @@ val_t parser___parser_nodes___AAssignFormExpr___n_assign(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 839;
+  fra.me.line = 845;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssignFormExpr___n_assign;
   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;
-  /* parser/parser_nodes.nit:839 */
+  /* parser/parser_nodes.nit:845 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAssignFormExpr____n_assign(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_assign", LOCATE_parser___parser_nodes, 839);
+    nit_abort("Uninitialized attribute %s", "_n_assign", LOCATE_parser___parser_nodes, 845);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssignFormExpr____n_assign(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4684,18 +4684,18 @@ val_t parser___parser_nodes___AAssignFormExpr___n_value(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 840;
+  fra.me.line = 846;
   fra.me.meth = LOCATE_parser___parser_nodes___AAssignFormExpr___n_value;
   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;
-  /* parser/parser_nodes.nit:840 */
+  /* parser/parser_nodes.nit:846 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAssignFormExpr____n_value(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_value", LOCATE_parser___parser_nodes, 840);
+    nit_abort("Uninitialized attribute %s", "_n_value", LOCATE_parser___parser_nodes, 846);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAssignFormExpr____n_value(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4708,18 +4708,18 @@ val_t parser___parser_nodes___AReassignFormExpr___n_assign_op(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 844;
+  fra.me.line = 850;
   fra.me.meth = LOCATE_parser___parser_nodes___AReassignFormExpr___n_assign_op;
   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;
-  /* parser/parser_nodes.nit:844 */
+  /* parser/parser_nodes.nit:850 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AReassignFormExpr____n_assign_op(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_assign_op", LOCATE_parser___parser_nodes, 844);
+    nit_abort("Uninitialized attribute %s", "_n_assign_op", LOCATE_parser___parser_nodes, 850);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AReassignFormExpr____n_assign_op(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4732,18 +4732,18 @@ val_t parser___parser_nodes___AReassignFormExpr___n_value(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 845;
+  fra.me.line = 851;
   fra.me.meth = LOCATE_parser___parser_nodes___AReassignFormExpr___n_value;
   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;
-  /* parser/parser_nodes.nit:845 */
+  /* parser/parser_nodes.nit:851 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AReassignFormExpr____n_value(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_value", LOCATE_parser___parser_nodes, 845);
+    nit_abort("Uninitialized attribute %s", "_n_value", LOCATE_parser___parser_nodes, 851);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AReassignFormExpr____n_value(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4756,18 +4756,18 @@ val_t parser___parser_nodes___AOnceExpr___n_kwonce(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 849;
+  fra.me.line = 855;
   fra.me.meth = LOCATE_parser___parser_nodes___AOnceExpr___n_kwonce;
   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;
-  /* parser/parser_nodes.nit:849 */
+  /* parser/parser_nodes.nit:855 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOnceExpr____n_kwonce(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwonce", LOCATE_parser___parser_nodes, 849);
+    nit_abort("Uninitialized attribute %s", "_n_kwonce", LOCATE_parser___parser_nodes, 855);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOnceExpr____n_kwonce(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4780,18 +4780,18 @@ val_t parser___parser_nodes___ASendExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 853;
+  fra.me.line = 859;
   fra.me.meth = LOCATE_parser___parser_nodes___ASendExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:853 */
+  /* parser/parser_nodes.nit:859 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASendExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 853);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 859);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASendExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4804,18 +4804,18 @@ val_t parser___parser_nodes___ASendExpr___n_closure_defs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 854;
+  fra.me.line = 860;
   fra.me.meth = LOCATE_parser___parser_nodes___ASendExpr___n_closure_defs;
   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;
-  /* parser/parser_nodes.nit:854 */
+  /* parser/parser_nodes.nit:860 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASendExpr____n_closure_defs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_closure_defs", LOCATE_parser___parser_nodes, 854);
+    nit_abort("Uninitialized attribute %s", "_n_closure_defs", LOCATE_parser___parser_nodes, 860);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASendExpr____n_closure_defs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4828,18 +4828,18 @@ val_t parser___parser_nodes___ABinopExpr___n_expr2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 858;
+  fra.me.line = 864;
   fra.me.meth = LOCATE_parser___parser_nodes___ABinopExpr___n_expr2;
   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;
-  /* parser/parser_nodes.nit:858 */
+  /* parser/parser_nodes.nit:864 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABinopExpr____n_expr2(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 858);
+    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 864);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABinopExpr____n_expr2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4852,18 +4852,18 @@ val_t parser___parser_nodes___AOrExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 865;
+  fra.me.line = 871;
   fra.me.meth = LOCATE_parser___parser_nodes___AOrExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:865 */
+  /* parser/parser_nodes.nit:871 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOrExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 865);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 871);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOrExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4876,18 +4876,18 @@ val_t parser___parser_nodes___AOrExpr___n_expr2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 866;
+  fra.me.line = 872;
   fra.me.meth = LOCATE_parser___parser_nodes___AOrExpr___n_expr2;
   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;
-  /* parser/parser_nodes.nit:866 */
+  /* parser/parser_nodes.nit:872 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOrExpr____n_expr2(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 866);
+    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 872);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOrExpr____n_expr2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4900,18 +4900,18 @@ val_t parser___parser_nodes___AAndExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 870;
+  fra.me.line = 876;
   fra.me.meth = LOCATE_parser___parser_nodes___AAndExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:870 */
+  /* parser/parser_nodes.nit:876 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAndExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 870);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 876);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAndExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4924,18 +4924,18 @@ val_t parser___parser_nodes___AAndExpr___n_expr2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 871;
+  fra.me.line = 877;
   fra.me.meth = LOCATE_parser___parser_nodes___AAndExpr___n_expr2;
   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;
-  /* parser/parser_nodes.nit:871 */
+  /* parser/parser_nodes.nit:877 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAndExpr____n_expr2(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 871);
+    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 877);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAndExpr____n_expr2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4948,18 +4948,18 @@ val_t parser___parser_nodes___AOrElseExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 875;
+  fra.me.line = 881;
   fra.me.meth = LOCATE_parser___parser_nodes___AOrElseExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:875 */
+  /* parser/parser_nodes.nit:881 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOrElseExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 875);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 881);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOrElseExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4972,18 +4972,18 @@ val_t parser___parser_nodes___AOrElseExpr___n_expr2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 876;
+  fra.me.line = 882;
   fra.me.meth = LOCATE_parser___parser_nodes___AOrElseExpr___n_expr2;
   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;
-  /* parser/parser_nodes.nit:876 */
+  /* parser/parser_nodes.nit:882 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOrElseExpr____n_expr2(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 876);
+    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 882);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOrElseExpr____n_expr2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -4996,18 +4996,18 @@ val_t parser___parser_nodes___ANotExpr___n_kwnot(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 880;
+  fra.me.line = 886;
   fra.me.meth = LOCATE_parser___parser_nodes___ANotExpr___n_kwnot;
   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;
-  /* parser/parser_nodes.nit:880 */
+  /* parser/parser_nodes.nit:886 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANotExpr____n_kwnot(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnot", LOCATE_parser___parser_nodes, 880);
+    nit_abort("Uninitialized attribute %s", "_n_kwnot", LOCATE_parser___parser_nodes, 886);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANotExpr____n_kwnot(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5020,18 +5020,18 @@ val_t parser___parser_nodes___ANotExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 881;
+  fra.me.line = 887;
   fra.me.meth = LOCATE_parser___parser_nodes___ANotExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:881 */
+  /* parser/parser_nodes.nit:887 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANotExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 881);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 887);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANotExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5044,18 +5044,18 @@ val_t parser___parser_nodes___AEeExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 888;
+  fra.me.line = 894;
   fra.me.meth = LOCATE_parser___parser_nodes___AEeExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:888 */
+  /* parser/parser_nodes.nit:894 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AEeExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 888);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 894);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AEeExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5068,18 +5068,18 @@ val_t parser___parser_nodes___AEeExpr___n_expr2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 889;
+  fra.me.line = 895;
   fra.me.meth = LOCATE_parser___parser_nodes___AEeExpr___n_expr2;
   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;
-  /* parser/parser_nodes.nit:889 */
+  /* parser/parser_nodes.nit:895 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AEeExpr____n_expr2(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 889);
+    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 895);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AEeExpr____n_expr2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5092,18 +5092,18 @@ val_t parser___parser_nodes___AIsaExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 914;
+  fra.me.line = 920;
   fra.me.meth = LOCATE_parser___parser_nodes___AIsaExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:914 */
+  /* parser/parser_nodes.nit:920 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIsaExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 914);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 920);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIsaExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5116,18 +5116,18 @@ val_t parser___parser_nodes___AIsaExpr___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 915;
+  fra.me.line = 921;
   fra.me.meth = LOCATE_parser___parser_nodes___AIsaExpr___n_type;
   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;
-  /* parser/parser_nodes.nit:915 */
+  /* parser/parser_nodes.nit:921 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIsaExpr____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 915);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 921);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIsaExpr____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5140,18 +5140,18 @@ val_t parser___parser_nodes___AUminusExpr___n_minus(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 937;
+  fra.me.line = 943;
   fra.me.meth = LOCATE_parser___parser_nodes___AUminusExpr___n_minus;
   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;
-  /* parser/parser_nodes.nit:937 */
+  /* parser/parser_nodes.nit:943 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AUminusExpr____n_minus(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_minus", LOCATE_parser___parser_nodes, 937);
+    nit_abort("Uninitialized attribute %s", "_n_minus", LOCATE_parser___parser_nodes, 943);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AUminusExpr____n_minus(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5164,18 +5164,18 @@ val_t parser___parser_nodes___ANewExpr___n_kwnew(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 941;
+  fra.me.line = 947;
   fra.me.meth = LOCATE_parser___parser_nodes___ANewExpr___n_kwnew;
   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;
-  /* parser/parser_nodes.nit:941 */
+  /* parser/parser_nodes.nit:947 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANewExpr____n_kwnew(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnew", LOCATE_parser___parser_nodes, 941);
+    nit_abort("Uninitialized attribute %s", "_n_kwnew", LOCATE_parser___parser_nodes, 947);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANewExpr____n_kwnew(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5188,18 +5188,18 @@ val_t parser___parser_nodes___ANewExpr___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 942;
+  fra.me.line = 948;
   fra.me.meth = LOCATE_parser___parser_nodes___ANewExpr___n_type;
   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;
-  /* parser/parser_nodes.nit:942 */
+  /* parser/parser_nodes.nit:948 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANewExpr____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 942);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 948);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANewExpr____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5211,14 +5211,14 @@ val_t parser___parser_nodes___ANewExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 943;
+  fra.me.line = 949;
   fra.me.meth = LOCATE_parser___parser_nodes___ANewExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:943 */
+  /* parser/parser_nodes.nit:949 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANewExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -5230,18 +5230,18 @@ val_t parser___parser_nodes___ANewExpr___n_args(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 944;
+  fra.me.line = 950;
   fra.me.meth = LOCATE_parser___parser_nodes___ANewExpr___n_args;
   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;
-  /* parser/parser_nodes.nit:944 */
+  /* parser/parser_nodes.nit:950 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANewExpr____n_args(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 944);
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 950);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANewExpr____n_args(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5254,18 +5254,18 @@ val_t parser___parser_nodes___AAttrFormExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 948;
+  fra.me.line = 954;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrFormExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:948 */
+  /* parser/parser_nodes.nit:954 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAttrFormExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 948);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 954);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrFormExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5278,18 +5278,18 @@ val_t parser___parser_nodes___AAttrFormExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 949;
+  fra.me.line = 955;
   fra.me.meth = LOCATE_parser___parser_nodes___AAttrFormExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:949 */
+  /* parser/parser_nodes.nit:955 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAttrFormExpr____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 949);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 955);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAttrFormExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5302,18 +5302,18 @@ val_t parser___parser_nodes___ACallFormExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 960;
+  fra.me.line = 966;
   fra.me.meth = LOCATE_parser___parser_nodes___ACallFormExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:960 */
+  /* parser/parser_nodes.nit:966 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACallFormExpr____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 960);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 966);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACallFormExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5326,18 +5326,18 @@ val_t parser___parser_nodes___ACallFormExpr___n_args(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 961;
+  fra.me.line = 967;
   fra.me.meth = LOCATE_parser___parser_nodes___ACallFormExpr___n_args;
   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;
-  /* parser/parser_nodes.nit:961 */
+  /* parser/parser_nodes.nit:967 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACallFormExpr____n_args(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 961);
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 967);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACallFormExpr____n_args(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5349,14 +5349,14 @@ val_t parser___parser_nodes___ASuperExpr___n_qualified(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 986;
+  fra.me.line = 992;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperExpr___n_qualified;
   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;
-  /* parser/parser_nodes.nit:986 */
+  /* parser/parser_nodes.nit:992 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperExpr____n_qualified(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -5368,18 +5368,18 @@ val_t parser___parser_nodes___ASuperExpr___n_kwsuper(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 987;
+  fra.me.line = 993;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperExpr___n_kwsuper;
   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;
-  /* parser/parser_nodes.nit:987 */
+  /* parser/parser_nodes.nit:993 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASuperExpr____n_kwsuper(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwsuper", LOCATE_parser___parser_nodes, 987);
+    nit_abort("Uninitialized attribute %s", "_n_kwsuper", LOCATE_parser___parser_nodes, 993);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperExpr____n_kwsuper(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5392,18 +5392,18 @@ val_t parser___parser_nodes___ASuperExpr___n_args(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 988;
+  fra.me.line = 994;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperExpr___n_args;
   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;
-  /* parser/parser_nodes.nit:988 */
+  /* parser/parser_nodes.nit:994 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASuperExpr____n_args(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 988);
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 994);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperExpr____n_args(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5416,18 +5416,18 @@ val_t parser___parser_nodes___AInitExpr___n_kwinit(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 992;
+  fra.me.line = 998;
   fra.me.meth = LOCATE_parser___parser_nodes___AInitExpr___n_kwinit;
   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;
-  /* parser/parser_nodes.nit:992 */
+  /* parser/parser_nodes.nit:998 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInitExpr____n_kwinit(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwinit", LOCATE_parser___parser_nodes, 992);
+    nit_abort("Uninitialized attribute %s", "_n_kwinit", LOCATE_parser___parser_nodes, 998);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInitExpr____n_kwinit(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5440,18 +5440,18 @@ val_t parser___parser_nodes___AInitExpr___n_args(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 993;
+  fra.me.line = 999;
   fra.me.meth = LOCATE_parser___parser_nodes___AInitExpr___n_args;
   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;
-  /* parser/parser_nodes.nit:993 */
+  /* parser/parser_nodes.nit:999 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInitExpr____n_args(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 993);
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 999);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInitExpr____n_args(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5464,18 +5464,18 @@ val_t parser___parser_nodes___ABraFormExpr___n_args(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 997;
+  fra.me.line = 1003;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraFormExpr___n_args;
   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;
-  /* parser/parser_nodes.nit:997 */
+  /* parser/parser_nodes.nit:1003 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraFormExpr____n_args(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 997);
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 1003);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraFormExpr____n_args(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5488,18 +5488,18 @@ val_t parser___parser_nodes___AVarFormExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1008;
+  fra.me.line = 1014;
   fra.me.meth = LOCATE_parser___parser_nodes___AVarFormExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:1008 */
+  /* parser/parser_nodes.nit:1014 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AVarFormExpr____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1008);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1014);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AVarFormExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5512,18 +5512,18 @@ val_t parser___parser_nodes___AClosureCallExpr___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1016;
+  fra.me.line = 1022;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureCallExpr___n_id;
   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;
-  /* parser/parser_nodes.nit:1016 */
+  /* parser/parser_nodes.nit:1022 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureCallExpr____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1016);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1022);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureCallExpr____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5536,18 +5536,18 @@ val_t parser___parser_nodes___AClosureCallExpr___n_args(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1017;
+  fra.me.line = 1023;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureCallExpr___n_args;
   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;
-  /* parser/parser_nodes.nit:1017 */
+  /* parser/parser_nodes.nit:1023 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureCallExpr____n_args(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 1017);
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 1023);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureCallExpr____n_args(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5560,18 +5560,18 @@ val_t parser___parser_nodes___AClosureCallExpr___n_closure_defs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1018;
+  fra.me.line = 1024;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureCallExpr___n_closure_defs;
   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;
-  /* parser/parser_nodes.nit:1018 */
+  /* parser/parser_nodes.nit:1024 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureCallExpr____n_closure_defs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_closure_defs", LOCATE_parser___parser_nodes, 1018);
+    nit_abort("Uninitialized attribute %s", "_n_closure_defs", LOCATE_parser___parser_nodes, 1024);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureCallExpr____n_closure_defs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5584,18 +5584,18 @@ val_t parser___parser_nodes___ARangeExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1033;
+  fra.me.line = 1039;
   fra.me.meth = LOCATE_parser___parser_nodes___ARangeExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:1033 */
+  /* parser/parser_nodes.nit:1039 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ARangeExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1033);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1039);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ARangeExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5608,18 +5608,18 @@ val_t parser___parser_nodes___ARangeExpr___n_expr2(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1034;
+  fra.me.line = 1040;
   fra.me.meth = LOCATE_parser___parser_nodes___ARangeExpr___n_expr2;
   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;
-  /* parser/parser_nodes.nit:1034 */
+  /* parser/parser_nodes.nit:1040 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ARangeExpr____n_expr2(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 1034);
+    nit_abort("Uninitialized attribute %s", "_n_expr2", LOCATE_parser___parser_nodes, 1040);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ARangeExpr____n_expr2(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5632,18 +5632,18 @@ val_t parser___parser_nodes___ACrangeExpr___n_obra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1038;
+  fra.me.line = 1044;
   fra.me.meth = LOCATE_parser___parser_nodes___ACrangeExpr___n_obra;
   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;
-  /* parser/parser_nodes.nit:1038 */
+  /* parser/parser_nodes.nit:1044 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACrangeExpr____n_obra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 1038);
+    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 1044);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACrangeExpr____n_obra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5656,18 +5656,18 @@ val_t parser___parser_nodes___ACrangeExpr___n_cbra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1039;
+  fra.me.line = 1045;
   fra.me.meth = LOCATE_parser___parser_nodes___ACrangeExpr___n_cbra;
   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;
-  /* parser/parser_nodes.nit:1039 */
+  /* parser/parser_nodes.nit:1045 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACrangeExpr____n_cbra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 1039);
+    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 1045);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACrangeExpr____n_cbra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5680,18 +5680,18 @@ val_t parser___parser_nodes___AOrangeExpr___n_obra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1043;
+  fra.me.line = 1049;
   fra.me.meth = LOCATE_parser___parser_nodes___AOrangeExpr___n_obra;
   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;
-  /* parser/parser_nodes.nit:1043 */
+  /* parser/parser_nodes.nit:1049 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOrangeExpr____n_obra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 1043);
+    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 1049);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOrangeExpr____n_obra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5704,18 +5704,18 @@ val_t parser___parser_nodes___AOrangeExpr___n_cbra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1044;
+  fra.me.line = 1050;
   fra.me.meth = LOCATE_parser___parser_nodes___AOrangeExpr___n_cbra;
   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;
-  /* parser/parser_nodes.nit:1044 */
+  /* parser/parser_nodes.nit:1050 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AOrangeExpr____n_cbra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 1044);
+    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 1050);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AOrangeExpr____n_cbra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5728,18 +5728,18 @@ val_t parser___parser_nodes___AArrayExpr___n_exprs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1048;
+  fra.me.line = 1054;
   fra.me.meth = LOCATE_parser___parser_nodes___AArrayExpr___n_exprs;
   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;
-  /* parser/parser_nodes.nit:1048 */
+  /* parser/parser_nodes.nit:1054 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AArrayExpr____n_exprs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_exprs", LOCATE_parser___parser_nodes, 1048);
+    nit_abort("Uninitialized attribute %s", "_n_exprs", LOCATE_parser___parser_nodes, 1054);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AArrayExpr____n_exprs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5751,14 +5751,14 @@ val_t parser___parser_nodes___ASelfExpr___n_kwself(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1052;
+  fra.me.line = 1058;
   fra.me.meth = LOCATE_parser___parser_nodes___ASelfExpr___n_kwself;
   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;
-  /* parser/parser_nodes.nit:1052 */
+  /* parser/parser_nodes.nit:1058 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASelfExpr____n_kwself(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -5770,18 +5770,18 @@ val_t parser___parser_nodes___ATrueExpr___n_kwtrue(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1059;
+  fra.me.line = 1065;
   fra.me.meth = LOCATE_parser___parser_nodes___ATrueExpr___n_kwtrue;
   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;
-  /* parser/parser_nodes.nit:1059 */
+  /* parser/parser_nodes.nit:1065 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ATrueExpr____n_kwtrue(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwtrue", LOCATE_parser___parser_nodes, 1059);
+    nit_abort("Uninitialized attribute %s", "_n_kwtrue", LOCATE_parser___parser_nodes, 1065);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ATrueExpr____n_kwtrue(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5794,18 +5794,18 @@ val_t parser___parser_nodes___AFalseExpr___n_kwfalse(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1063;
+  fra.me.line = 1069;
   fra.me.meth = LOCATE_parser___parser_nodes___AFalseExpr___n_kwfalse;
   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;
-  /* parser/parser_nodes.nit:1063 */
+  /* parser/parser_nodes.nit:1069 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AFalseExpr____n_kwfalse(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwfalse", LOCATE_parser___parser_nodes, 1063);
+    nit_abort("Uninitialized attribute %s", "_n_kwfalse", LOCATE_parser___parser_nodes, 1069);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFalseExpr____n_kwfalse(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5818,18 +5818,18 @@ val_t parser___parser_nodes___ANullExpr___n_kwnull(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1067;
+  fra.me.line = 1073;
   fra.me.meth = LOCATE_parser___parser_nodes___ANullExpr___n_kwnull;
   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;
-  /* parser/parser_nodes.nit:1067 */
+  /* parser/parser_nodes.nit:1073 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ANullExpr____n_kwnull(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnull", LOCATE_parser___parser_nodes, 1067);
+    nit_abort("Uninitialized attribute %s", "_n_kwnull", LOCATE_parser___parser_nodes, 1073);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ANullExpr____n_kwnull(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5842,18 +5842,18 @@ val_t parser___parser_nodes___AIntExpr___n_number(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1071;
+  fra.me.line = 1077;
   fra.me.meth = LOCATE_parser___parser_nodes___AIntExpr___n_number;
   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;
-  /* parser/parser_nodes.nit:1071 */
+  /* parser/parser_nodes.nit:1077 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIntExpr____n_number(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_number", LOCATE_parser___parser_nodes, 1071);
+    nit_abort("Uninitialized attribute %s", "_n_number", LOCATE_parser___parser_nodes, 1077);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIntExpr____n_number(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5866,18 +5866,18 @@ val_t parser___parser_nodes___AFloatExpr___n_float(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1075;
+  fra.me.line = 1081;
   fra.me.meth = LOCATE_parser___parser_nodes___AFloatExpr___n_float;
   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;
-  /* parser/parser_nodes.nit:1075 */
+  /* parser/parser_nodes.nit:1081 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AFloatExpr____n_float(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_float", LOCATE_parser___parser_nodes, 1075);
+    nit_abort("Uninitialized attribute %s", "_n_float", LOCATE_parser___parser_nodes, 1081);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AFloatExpr____n_float(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -5890,116 +5890,44 @@ val_t parser___parser_nodes___ACharExpr___n_char(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1079;
+  fra.me.line = 1085;
   fra.me.meth = LOCATE_parser___parser_nodes___ACharExpr___n_char;
   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;
-  /* parser/parser_nodes.nit:1079 */
+  /* parser/parser_nodes.nit:1085 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ACharExpr____n_char(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_char", LOCATE_parser___parser_nodes, 1079);
+    nit_abort("Uninitialized attribute %s", "_n_char", LOCATE_parser___parser_nodes, 1085);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ACharExpr____n_char(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-static const char LOCATE_parser___parser_nodes___AStringExpr___n_string[] = "parser_nodes::AStringExpr::n_string";
-val_t parser___parser_nodes___AStringExpr___n_string(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_parser___parser_nodes;
-  fra.me.line = 1086;
-  fra.me.meth = LOCATE_parser___parser_nodes___AStringExpr___n_string;
-  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;
-  /* parser/parser_nodes.nit:1086 */
-  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStringExpr____n_string(fra.me.REG[0])!=NIT_NULL);
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1086);
-  }
-  fra.me.REG[0] = ATTR_parser___parser_nodes___AStringExpr____n_string(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
-static const char LOCATE_parser___parser_nodes___AStartStringExpr___n_string[] = "parser_nodes::AStartStringExpr::n_string";
-val_t parser___parser_nodes___AStartStringExpr___n_string(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_parser___parser_nodes;
-  fra.me.line = 1090;
-  fra.me.meth = LOCATE_parser___parser_nodes___AStartStringExpr___n_string;
-  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;
-  /* parser/parser_nodes.nit:1090 */
-  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStartStringExpr____n_string(fra.me.REG[0])!=NIT_NULL);
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1090);
-  }
-  fra.me.REG[0] = ATTR_parser___parser_nodes___AStartStringExpr____n_string(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
-static const char LOCATE_parser___parser_nodes___AMidStringExpr___n_string[] = "parser_nodes::AMidStringExpr::n_string";
-val_t parser___parser_nodes___AMidStringExpr___n_string(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_parser___parser_nodes;
-  fra.me.line = 1094;
-  fra.me.meth = LOCATE_parser___parser_nodes___AMidStringExpr___n_string;
-  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;
-  /* parser/parser_nodes.nit:1094 */
-  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AMidStringExpr____n_string(fra.me.REG[0])!=NIT_NULL);
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1094);
-  }
-  fra.me.REG[0] = ATTR_parser___parser_nodes___AMidStringExpr____n_string(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
-static const char LOCATE_parser___parser_nodes___AEndStringExpr___n_string[] = "parser_nodes::AEndStringExpr::n_string";
-val_t parser___parser_nodes___AEndStringExpr___n_string(val_t p0){
+static const char LOCATE_parser___parser_nodes___AStringFormExpr___n_string[] = "parser_nodes::AStringFormExpr::n_string";
+val_t parser___parser_nodes___AStringFormExpr___n_string(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_parser___parser_nodes;
-  fra.me.line = 1098;
-  fra.me.meth = LOCATE_parser___parser_nodes___AEndStringExpr___n_string;
+  fra.me.line = 1089;
+  fra.me.meth = LOCATE_parser___parser_nodes___AStringFormExpr___n_string;
   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;
-  /* parser/parser_nodes.nit:1098 */
-  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AEndStringExpr____n_string(fra.me.REG[0])!=NIT_NULL);
+  /* parser/parser_nodes.nit:1089 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AStringFormExpr____n_string(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1098);
+    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1089);
   }
-  fra.me.REG[0] = ATTR_parser___parser_nodes___AEndStringExpr____n_string(fra.me.REG[0]);
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AStringFormExpr____n_string(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
@@ -6010,18 +5938,18 @@ val_t parser___parser_nodes___ASuperstringExpr___n_exprs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1102;
+  fra.me.line = 1105;
   fra.me.meth = LOCATE_parser___parser_nodes___ASuperstringExpr___n_exprs;
   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;
-  /* parser/parser_nodes.nit:1102 */
+  /* parser/parser_nodes.nit:1105 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASuperstringExpr____n_exprs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_exprs", LOCATE_parser___parser_nodes, 1102);
+    nit_abort("Uninitialized attribute %s", "_n_exprs", LOCATE_parser___parser_nodes, 1105);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASuperstringExpr____n_exprs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6034,18 +5962,18 @@ val_t parser___parser_nodes___AParExpr___n_opar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1106;
+  fra.me.line = 1109;
   fra.me.meth = LOCATE_parser___parser_nodes___AParExpr___n_opar;
   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;
-  /* parser/parser_nodes.nit:1106 */
+  /* parser/parser_nodes.nit:1109 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AParExpr____n_opar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1106);
+    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1109);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParExpr____n_opar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6058,18 +5986,18 @@ val_t parser___parser_nodes___AParExpr___n_cpar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1107;
+  fra.me.line = 1110;
   fra.me.meth = LOCATE_parser___parser_nodes___AParExpr___n_cpar;
   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;
-  /* parser/parser_nodes.nit:1107 */
+  /* parser/parser_nodes.nit:1110 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AParExpr____n_cpar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1107);
+    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1110);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParExpr____n_cpar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6082,18 +6010,18 @@ val_t parser___parser_nodes___AProxyExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1111;
+  fra.me.line = 1114;
   fra.me.meth = LOCATE_parser___parser_nodes___AProxyExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:1111 */
+  /* parser/parser_nodes.nit:1114 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AProxyExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1111);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1114);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AProxyExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6106,18 +6034,18 @@ val_t parser___parser_nodes___AAsCastExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1115;
+  fra.me.line = 1118;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsCastExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:1115 */
+  /* parser/parser_nodes.nit:1118 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsCastExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1115);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1118);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsCastExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6130,18 +6058,18 @@ val_t parser___parser_nodes___AAsCastExpr___n_kwas(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1116;
+  fra.me.line = 1119;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsCastExpr___n_kwas;
   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;
-  /* parser/parser_nodes.nit:1116 */
+  /* parser/parser_nodes.nit:1119 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsCastExpr____n_kwas(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 1116);
+    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 1119);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsCastExpr____n_kwas(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6154,18 +6082,18 @@ val_t parser___parser_nodes___AAsCastExpr___n_opar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1117;
+  fra.me.line = 1120;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsCastExpr___n_opar;
   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;
-  /* parser/parser_nodes.nit:1117 */
+  /* parser/parser_nodes.nit:1120 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsCastExpr____n_opar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1117);
+    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1120);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsCastExpr____n_opar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6178,18 +6106,18 @@ val_t parser___parser_nodes___AAsCastExpr___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1118;
+  fra.me.line = 1121;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsCastExpr___n_type;
   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;
-  /* parser/parser_nodes.nit:1118 */
+  /* parser/parser_nodes.nit:1121 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsCastExpr____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 1118);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 1121);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsCastExpr____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6202,18 +6130,18 @@ val_t parser___parser_nodes___AAsCastExpr___n_cpar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1119;
+  fra.me.line = 1122;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsCastExpr___n_cpar;
   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;
-  /* parser/parser_nodes.nit:1119 */
+  /* parser/parser_nodes.nit:1122 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsCastExpr____n_cpar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1119);
+    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1122);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsCastExpr____n_cpar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6226,18 +6154,18 @@ val_t parser___parser_nodes___AAsNotnullExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1123;
+  fra.me.line = 1126;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotnullExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:1123 */
+  /* parser/parser_nodes.nit:1126 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotnullExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1123);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1126);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotnullExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6250,18 +6178,18 @@ val_t parser___parser_nodes___AAsNotnullExpr___n_kwas(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1124;
+  fra.me.line = 1127;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotnullExpr___n_kwas;
   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;
-  /* parser/parser_nodes.nit:1124 */
+  /* parser/parser_nodes.nit:1127 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotnullExpr____n_kwas(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 1124);
+    nit_abort("Uninitialized attribute %s", "_n_kwas", LOCATE_parser___parser_nodes, 1127);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotnullExpr____n_kwas(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6274,18 +6202,18 @@ val_t parser___parser_nodes___AAsNotnullExpr___n_opar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1125;
+  fra.me.line = 1128;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotnullExpr___n_opar;
   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;
-  /* parser/parser_nodes.nit:1125 */
+  /* parser/parser_nodes.nit:1128 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotnullExpr____n_opar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1125);
+    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1128);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotnullExpr____n_opar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6298,18 +6226,18 @@ val_t parser___parser_nodes___AAsNotnullExpr___n_kwnot(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1126;
+  fra.me.line = 1129;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotnullExpr___n_kwnot;
   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;
-  /* parser/parser_nodes.nit:1126 */
+  /* parser/parser_nodes.nit:1129 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotnullExpr____n_kwnot(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnot", LOCATE_parser___parser_nodes, 1126);
+    nit_abort("Uninitialized attribute %s", "_n_kwnot", LOCATE_parser___parser_nodes, 1129);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotnullExpr____n_kwnot(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6322,18 +6250,18 @@ val_t parser___parser_nodes___AAsNotnullExpr___n_kwnull(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1127;
+  fra.me.line = 1130;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotnullExpr___n_kwnull;
   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;
-  /* parser/parser_nodes.nit:1127 */
+  /* parser/parser_nodes.nit:1130 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotnullExpr____n_kwnull(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwnull", LOCATE_parser___parser_nodes, 1127);
+    nit_abort("Uninitialized attribute %s", "_n_kwnull", LOCATE_parser___parser_nodes, 1130);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotnullExpr____n_kwnull(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6346,18 +6274,18 @@ val_t parser___parser_nodes___AAsNotnullExpr___n_cpar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1128;
+  fra.me.line = 1131;
   fra.me.meth = LOCATE_parser___parser_nodes___AAsNotnullExpr___n_cpar;
   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;
-  /* parser/parser_nodes.nit:1128 */
+  /* parser/parser_nodes.nit:1131 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAsNotnullExpr____n_cpar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1128);
+    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1131);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AAsNotnullExpr____n_cpar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6370,18 +6298,18 @@ val_t parser___parser_nodes___AIssetAttrExpr___n_kwisset(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1132;
+  fra.me.line = 1135;
   fra.me.meth = LOCATE_parser___parser_nodes___AIssetAttrExpr___n_kwisset;
   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;
-  /* parser/parser_nodes.nit:1132 */
+  /* parser/parser_nodes.nit:1135 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AIssetAttrExpr____n_kwisset(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwisset", LOCATE_parser___parser_nodes, 1132);
+    nit_abort("Uninitialized attribute %s", "_n_kwisset", LOCATE_parser___parser_nodes, 1135);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AIssetAttrExpr____n_kwisset(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6394,18 +6322,18 @@ val_t parser___parser_nodes___AExprs___n_exprs(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1136;
+  fra.me.line = 1139;
   fra.me.meth = LOCATE_parser___parser_nodes___AExprs___n_exprs;
   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;
-  /* parser/parser_nodes.nit:1136 */
+  /* parser/parser_nodes.nit:1139 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExprs____n_exprs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_exprs", LOCATE_parser___parser_nodes, 1136);
+    nit_abort("Uninitialized attribute %s", "_n_exprs", LOCATE_parser___parser_nodes, 1139);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExprs____n_exprs(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6418,18 +6346,18 @@ val_t parser___parser_nodes___ADebugTypeExpr___n_kwdebug(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1140;
+  fra.me.line = 1143;
   fra.me.meth = LOCATE_parser___parser_nodes___ADebugTypeExpr___n_kwdebug;
   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;
-  /* parser/parser_nodes.nit:1140 */
+  /* parser/parser_nodes.nit:1143 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADebugTypeExpr____n_kwdebug(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwdebug", LOCATE_parser___parser_nodes, 1140);
+    nit_abort("Uninitialized attribute %s", "_n_kwdebug", LOCATE_parser___parser_nodes, 1143);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADebugTypeExpr____n_kwdebug(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6442,18 +6370,18 @@ val_t parser___parser_nodes___ADebugTypeExpr___n_kwtype(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1141;
+  fra.me.line = 1144;
   fra.me.meth = LOCATE_parser___parser_nodes___ADebugTypeExpr___n_kwtype;
   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;
-  /* parser/parser_nodes.nit:1141 */
+  /* parser/parser_nodes.nit:1144 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADebugTypeExpr____n_kwtype(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwtype", LOCATE_parser___parser_nodes, 1141);
+    nit_abort("Uninitialized attribute %s", "_n_kwtype", LOCATE_parser___parser_nodes, 1144);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADebugTypeExpr____n_kwtype(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6466,18 +6394,18 @@ val_t parser___parser_nodes___ADebugTypeExpr___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1142;
+  fra.me.line = 1145;
   fra.me.meth = LOCATE_parser___parser_nodes___ADebugTypeExpr___n_expr;
   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;
-  /* parser/parser_nodes.nit:1142 */
+  /* parser/parser_nodes.nit:1145 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADebugTypeExpr____n_expr(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1142);
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1145);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADebugTypeExpr____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6490,18 +6418,18 @@ val_t parser___parser_nodes___ADebugTypeExpr___n_type(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1143;
+  fra.me.line = 1146;
   fra.me.meth = LOCATE_parser___parser_nodes___ADebugTypeExpr___n_type;
   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;
-  /* parser/parser_nodes.nit:1143 */
+  /* parser/parser_nodes.nit:1146 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADebugTypeExpr____n_type(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 1143);
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 1146);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADebugTypeExpr____n_type(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6514,18 +6442,18 @@ val_t parser___parser_nodes___AParExprs___n_opar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1150;
+  fra.me.line = 1153;
   fra.me.meth = LOCATE_parser___parser_nodes___AParExprs___n_opar;
   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;
-  /* parser/parser_nodes.nit:1150 */
+  /* parser/parser_nodes.nit:1153 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AParExprs____n_opar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1150);
+    nit_abort("Uninitialized attribute %s", "_n_opar", LOCATE_parser___parser_nodes, 1153);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParExprs____n_opar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6538,18 +6466,18 @@ val_t parser___parser_nodes___AParExprs___n_cpar(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1151;
+  fra.me.line = 1154;
   fra.me.meth = LOCATE_parser___parser_nodes___AParExprs___n_cpar;
   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;
-  /* parser/parser_nodes.nit:1151 */
+  /* parser/parser_nodes.nit:1154 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AParExprs____n_cpar(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1151);
+    nit_abort("Uninitialized attribute %s", "_n_cpar", LOCATE_parser___parser_nodes, 1154);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AParExprs____n_cpar(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6562,18 +6490,18 @@ val_t parser___parser_nodes___ABraExprs___n_obra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1155;
+  fra.me.line = 1158;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraExprs___n_obra;
   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;
-  /* parser/parser_nodes.nit:1155 */
+  /* parser/parser_nodes.nit:1158 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraExprs____n_obra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 1155);
+    nit_abort("Uninitialized attribute %s", "_n_obra", LOCATE_parser___parser_nodes, 1158);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraExprs____n_obra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6586,18 +6514,18 @@ val_t parser___parser_nodes___ABraExprs___n_cbra(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1156;
+  fra.me.line = 1159;
   fra.me.meth = LOCATE_parser___parser_nodes___ABraExprs___n_cbra;
   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;
-  /* parser/parser_nodes.nit:1156 */
+  /* parser/parser_nodes.nit:1159 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABraExprs____n_cbra(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 1156);
+    nit_abort("Uninitialized attribute %s", "_n_cbra", LOCATE_parser___parser_nodes, 1159);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABraExprs____n_cbra(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6610,18 +6538,18 @@ val_t parser___parser_nodes___APlusAssignOp___n_pluseq(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1161;
+  fra.me.line = 1164;
   fra.me.meth = LOCATE_parser___parser_nodes___APlusAssignOp___n_pluseq;
   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;
-  /* parser/parser_nodes.nit:1161 */
+  /* parser/parser_nodes.nit:1164 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___APlusAssignOp____n_pluseq(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_pluseq", LOCATE_parser___parser_nodes, 1161);
+    nit_abort("Uninitialized attribute %s", "_n_pluseq", LOCATE_parser___parser_nodes, 1164);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___APlusAssignOp____n_pluseq(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6634,18 +6562,18 @@ val_t parser___parser_nodes___AMinusAssignOp___n_minuseq(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1165;
+  fra.me.line = 1168;
   fra.me.meth = LOCATE_parser___parser_nodes___AMinusAssignOp___n_minuseq;
   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;
-  /* parser/parser_nodes.nit:1165 */
+  /* parser/parser_nodes.nit:1168 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AMinusAssignOp____n_minuseq(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_minuseq", LOCATE_parser___parser_nodes, 1165);
+    nit_abort("Uninitialized attribute %s", "_n_minuseq", LOCATE_parser___parser_nodes, 1168);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AMinusAssignOp____n_minuseq(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6658,18 +6586,18 @@ val_t parser___parser_nodes___AClosureDef___n_bang(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1169;
+  fra.me.line = 1172;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDef___n_bang;
   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;
-  /* parser/parser_nodes.nit:1169 */
+  /* parser/parser_nodes.nit:1172 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureDef____n_bang(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_bang", LOCATE_parser___parser_nodes, 1169);
+    nit_abort("Uninitialized attribute %s", "_n_bang", LOCATE_parser___parser_nodes, 1172);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDef____n_bang(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6682,18 +6610,18 @@ val_t parser___parser_nodes___AClosureDef___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1170;
+  fra.me.line = 1173;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDef___n_id;
   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;
-  /* parser/parser_nodes.nit:1170 */
+  /* parser/parser_nodes.nit:1173 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureDef____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1170);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1173);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDef____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6706,18 +6634,18 @@ val_t parser___parser_nodes___AClosureDef___n_ids(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1171;
+  fra.me.line = 1174;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDef___n_ids;
   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;
-  /* parser/parser_nodes.nit:1171 */
+  /* parser/parser_nodes.nit:1174 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AClosureDef____n_ids(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_ids", LOCATE_parser___parser_nodes, 1171);
+    nit_abort("Uninitialized attribute %s", "_n_ids", LOCATE_parser___parser_nodes, 1174);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDef____n_ids(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6729,14 +6657,14 @@ val_t parser___parser_nodes___AClosureDef___n_kwdo(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1172;
+  fra.me.line = 1175;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDef___n_kwdo;
   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;
-  /* parser/parser_nodes.nit:1172 */
+  /* parser/parser_nodes.nit:1175 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDef____n_kwdo(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -6747,14 +6675,14 @@ val_t parser___parser_nodes___AClosureDef___n_expr(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1173;
+  fra.me.line = 1176;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDef___n_expr;
   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;
-  /* parser/parser_nodes.nit:1173 */
+  /* parser/parser_nodes.nit:1176 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AClosureDef____n_expr(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -6765,14 +6693,14 @@ val_t parser___parser_nodes___AClosureDef___hot_location(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1174;
+  fra.me.line = 1177;
   fra.me.meth = LOCATE_parser___parser_nodes___AClosureDef___hot_location;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* parser/parser_nodes.nit:1174 */
+  /* parser/parser_nodes.nit:1177 */
   fra.me.REG[0] = CALL_parser___parser_nodes___AClosureDef___n_id(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
   goto label1;
@@ -6787,18 +6715,18 @@ val_t parser___parser_nodes___ASimpleClosureId___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1181;
+  fra.me.line = 1184;
   fra.me.meth = LOCATE_parser___parser_nodes___ASimpleClosureId___n_id;
   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;
-  /* parser/parser_nodes.nit:1181 */
+  /* parser/parser_nodes.nit:1184 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ASimpleClosureId____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1181);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1184);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ASimpleClosureId____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6811,18 +6739,18 @@ val_t parser___parser_nodes___ABreakClosureId___n_kwbreak(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1185;
+  fra.me.line = 1188;
   fra.me.meth = LOCATE_parser___parser_nodes___ABreakClosureId___n_kwbreak;
   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;
-  /* parser/parser_nodes.nit:1185 */
+  /* parser/parser_nodes.nit:1188 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ABreakClosureId____n_kwbreak(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwbreak", LOCATE_parser___parser_nodes, 1185);
+    nit_abort("Uninitialized attribute %s", "_n_kwbreak", LOCATE_parser___parser_nodes, 1188);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ABreakClosureId____n_kwbreak(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6834,14 +6762,14 @@ val_t parser___parser_nodes___AModuleName___n_quad(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1189;
+  fra.me.line = 1192;
   fra.me.meth = LOCATE_parser___parser_nodes___AModuleName___n_quad;
   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;
-  /* parser/parser_nodes.nit:1189 */
+  /* parser/parser_nodes.nit:1192 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModuleName____n_quad(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -6853,18 +6781,18 @@ val_t parser___parser_nodes___AModuleName___n_path(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1190;
+  fra.me.line = 1193;
   fra.me.meth = LOCATE_parser___parser_nodes___AModuleName___n_path;
   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;
-  /* parser/parser_nodes.nit:1190 */
+  /* parser/parser_nodes.nit:1193 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModuleName____n_path(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_path", LOCATE_parser___parser_nodes, 1190);
+    nit_abort("Uninitialized attribute %s", "_n_path", LOCATE_parser___parser_nodes, 1193);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModuleName____n_path(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6877,18 +6805,18 @@ val_t parser___parser_nodes___AModuleName___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1191;
+  fra.me.line = 1194;
   fra.me.meth = LOCATE_parser___parser_nodes___AModuleName___n_id;
   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;
-  /* parser/parser_nodes.nit:1191 */
+  /* parser/parser_nodes.nit:1194 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AModuleName____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1191);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1194);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AModuleName____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6901,18 +6829,18 @@ val_t parser___parser_nodes___AInLanguage___n_kwin(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1195;
+  fra.me.line = 1198;
   fra.me.meth = LOCATE_parser___parser_nodes___AInLanguage___n_kwin;
   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;
-  /* parser/parser_nodes.nit:1195 */
+  /* parser/parser_nodes.nit:1198 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInLanguage____n_kwin(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_kwin", LOCATE_parser___parser_nodes, 1195);
+    nit_abort("Uninitialized attribute %s", "_n_kwin", LOCATE_parser___parser_nodes, 1198);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInLanguage____n_kwin(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6925,18 +6853,18 @@ val_t parser___parser_nodes___AInLanguage___n_string(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1196;
+  fra.me.line = 1199;
   fra.me.meth = LOCATE_parser___parser_nodes___AInLanguage___n_string;
   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;
-  /* parser/parser_nodes.nit:1196 */
+  /* parser/parser_nodes.nit:1199 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AInLanguage____n_string(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1196);
+    nit_abort("Uninitialized attribute %s", "_n_string", LOCATE_parser___parser_nodes, 1199);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AInLanguage____n_string(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6948,14 +6876,14 @@ val_t parser___parser_nodes___AExternCodeBlock___n_in_language(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1200;
+  fra.me.line = 1203;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternCodeBlock___n_in_language;
   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;
-  /* parser/parser_nodes.nit:1200 */
+  /* parser/parser_nodes.nit:1203 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternCodeBlock____n_in_language(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -6967,18 +6895,18 @@ val_t parser___parser_nodes___AExternCodeBlock___n_extern_code_segment(val_t p0)
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1201;
+  fra.me.line = 1204;
   fra.me.meth = LOCATE_parser___parser_nodes___AExternCodeBlock___n_extern_code_segment;
   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;
-  /* parser/parser_nodes.nit:1201 */
+  /* parser/parser_nodes.nit:1204 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExternCodeBlock____n_extern_code_segment(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_extern_code_segment", LOCATE_parser___parser_nodes, 1201);
+    nit_abort("Uninitialized attribute %s", "_n_extern_code_segment", LOCATE_parser___parser_nodes, 1204);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AExternCodeBlock____n_extern_code_segment(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -6990,14 +6918,14 @@ val_t parser___parser_nodes___AQualified___n_quad(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1205;
+  fra.me.line = 1208;
   fra.me.meth = LOCATE_parser___parser_nodes___AQualified___n_quad;
   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;
-  /* parser/parser_nodes.nit:1205 */
+  /* parser/parser_nodes.nit:1208 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AQualified____n_quad(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -7009,18 +6937,18 @@ val_t parser___parser_nodes___AQualified___n_id(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1206;
+  fra.me.line = 1209;
   fra.me.meth = LOCATE_parser___parser_nodes___AQualified___n_id;
   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;
-  /* parser/parser_nodes.nit:1206 */
+  /* parser/parser_nodes.nit:1209 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AQualified____n_id(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1206);
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1209);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___AQualified____n_id(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -7032,14 +6960,14 @@ val_t parser___parser_nodes___AQualified___n_classid(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1207;
+  fra.me.line = 1210;
   fra.me.meth = LOCATE_parser___parser_nodes___AQualified___n_classid;
   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;
-  /* parser/parser_nodes.nit:1207 */
+  /* parser/parser_nodes.nit:1210 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___AQualified____n_classid(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -7051,37 +6979,271 @@ val_t parser___parser_nodes___ADoc___n_comment(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1211;
+  fra.me.line = 1214;
   fra.me.meth = LOCATE_parser___parser_nodes___ADoc___n_comment;
   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;
-  /* parser/parser_nodes.nit:1211 */
+  /* parser/parser_nodes.nit:1214 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ADoc____n_comment(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_comment", LOCATE_parser___parser_nodes, 1211);
+    nit_abort("Uninitialized attribute %s", "_n_comment", LOCATE_parser___parser_nodes, 1214);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___ADoc____n_comment(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_parser___parser_nodes___AAnnotations___n_at[] = "parser_nodes::AAnnotations::n_at";
+val_t parser___parser_nodes___AAnnotations___n_at(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_parser___parser_nodes;
+  fra.me.line = 1219;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotations___n_at;
+  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;
+  /* parser/parser_nodes.nit:1219 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotations____n_at(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotations___n_opar[] = "parser_nodes::AAnnotations::n_opar";
+val_t parser___parser_nodes___AAnnotations___n_opar(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_parser___parser_nodes;
+  fra.me.line = 1220;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotations___n_opar;
+  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;
+  /* parser/parser_nodes.nit:1220 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotations____n_opar(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotations___n_items[] = "parser_nodes::AAnnotations::n_items";
+val_t parser___parser_nodes___AAnnotations___n_items(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_parser___parser_nodes;
+  fra.me.line = 1221;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotations___n_items;
+  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;
+  /* parser/parser_nodes.nit:1221 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAnnotations____n_items(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_items", LOCATE_parser___parser_nodes, 1221);
+  }
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotations____n_items(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotations___n_cpar[] = "parser_nodes::AAnnotations::n_cpar";
+val_t parser___parser_nodes___AAnnotations___n_cpar(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_parser___parser_nodes;
+  fra.me.line = 1222;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotations___n_cpar;
+  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;
+  /* parser/parser_nodes.nit:1222 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotations____n_cpar(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotation___n_atid[] = "parser_nodes::AAnnotation::n_atid";
+val_t parser___parser_nodes___AAnnotation___n_atid(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_parser___parser_nodes;
+  fra.me.line = 1226;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotation___n_atid;
+  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;
+  /* parser/parser_nodes.nit:1226 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAnnotation____n_atid(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_atid", LOCATE_parser___parser_nodes, 1226);
+  }
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotation____n_atid(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotation___n_opar[] = "parser_nodes::AAnnotation::n_opar";
+val_t parser___parser_nodes___AAnnotation___n_opar(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_parser___parser_nodes;
+  fra.me.line = 1227;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotation___n_opar;
+  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;
+  /* parser/parser_nodes.nit:1227 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotation____n_opar(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotation___n_args[] = "parser_nodes::AAnnotation::n_args";
+val_t parser___parser_nodes___AAnnotation___n_args(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_parser___parser_nodes;
+  fra.me.line = 1228;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotation___n_args;
+  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;
+  /* parser/parser_nodes.nit:1228 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAnnotation____n_args(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_args", LOCATE_parser___parser_nodes, 1228);
+  }
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotation____n_args(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAnnotation___n_cpar[] = "parser_nodes::AAnnotation::n_cpar";
+val_t parser___parser_nodes___AAnnotation___n_cpar(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_parser___parser_nodes;
+  fra.me.line = 1229;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAnnotation___n_cpar;
+  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;
+  /* parser/parser_nodes.nit:1229 */
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAnnotation____n_cpar(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___ATypeAtArg___n_type[] = "parser_nodes::ATypeAtArg::n_type";
+val_t parser___parser_nodes___ATypeAtArg___n_type(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_parser___parser_nodes;
+  fra.me.line = 1236;
+  fra.me.meth = LOCATE_parser___parser_nodes___ATypeAtArg___n_type;
+  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;
+  /* parser/parser_nodes.nit:1236 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___ATypeAtArg____n_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_type", LOCATE_parser___parser_nodes, 1236);
+  }
+  fra.me.REG[0] = ATTR_parser___parser_nodes___ATypeAtArg____n_type(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AExprAtArg___n_expr[] = "parser_nodes::AExprAtArg::n_expr";
+val_t parser___parser_nodes___AExprAtArg___n_expr(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_parser___parser_nodes;
+  fra.me.line = 1240;
+  fra.me.meth = LOCATE_parser___parser_nodes___AExprAtArg___n_expr;
+  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;
+  /* parser/parser_nodes.nit:1240 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AExprAtArg____n_expr(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_expr", LOCATE_parser___parser_nodes, 1240);
+  }
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AExprAtArg____n_expr(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+static const char LOCATE_parser___parser_nodes___AAtid___n_id[] = "parser_nodes::AAtid::n_id";
+val_t parser___parser_nodes___AAtid___n_id(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_parser___parser_nodes;
+  fra.me.line = 1247;
+  fra.me.meth = LOCATE_parser___parser_nodes___AAtid___n_id;
+  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;
+  /* parser/parser_nodes.nit:1247 */
+  REGB0 = TAG_Bool(ATTR_parser___parser_nodes___AAtid____n_id(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_n_id", LOCATE_parser___parser_nodes, 1247);
+  }
+  fra.me.REG[0] = ATTR_parser___parser_nodes___AAtid____n_id(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
 static const char LOCATE_parser___parser_nodes___Start___n_base[] = "parser_nodes::Start::n_base";
 val_t parser___parser_nodes___Start___n_base(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_parser___parser_nodes;
-  fra.me.line = 1216;
+  fra.me.line = 1270;
   fra.me.meth = LOCATE_parser___parser_nodes___Start___n_base;
   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;
-  /* parser/parser_nodes.nit:1216 */
+  /* parser/parser_nodes.nit:1270 */
   fra.me.REG[0] = ATTR_parser___parser_nodes___Start____n_base(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
@@ -7093,18 +7255,18 @@ val_t parser___parser_nodes___Start___n_eof(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1217;
+  fra.me.line = 1271;
   fra.me.meth = LOCATE_parser___parser_nodes___Start___n_eof;
   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;
-  /* parser/parser_nodes.nit:1217 */
+  /* parser/parser_nodes.nit:1271 */
   REGB0 = TAG_Bool(ATTR_parser___parser_nodes___Start____n_eof(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_n_eof", LOCATE_parser___parser_nodes, 1217);
+    nit_abort("Uninitialized attribute %s", "_n_eof", LOCATE_parser___parser_nodes, 1271);
   }
   fra.me.REG[0] = ATTR_parser___parser_nodes___Start____n_eof(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
@@ -7112,13 +7274,13 @@ val_t parser___parser_nodes___Start___n_eof(val_t p0){
 }
 static const char LOCATE_parser___parser_nodes___Start___init[] = "parser_nodes::Start::init";
 void parser___parser_nodes___Start___init(val_t p0, val_t p1, val_t p2, int* init_table){
-  int itpos3 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_parser___parser_nodes___Start].i;
+  int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_parser___parser_nodes___Start].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t tmp;
-  if (init_table[itpos3]) return;
+  if (init_table[itpos1]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_parser___parser_nodes;
-  fra.me.line = 1218;
+  fra.me.line = 1272;
   fra.me.meth = LOCATE_parser___parser_nodes___Start___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
@@ -7129,11 +7291,11 @@ void parser___parser_nodes___Start___init(val_t p0, val_t p1, val_t p2, int* ini
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* parser/parser_nodes.nit:1220 */
+  /* parser/parser_nodes.nit:1274 */
   ATTR_parser___parser_nodes___Start____n_base(fra.me.REG[0]) = fra.me.REG[1];
-  /* parser/parser_nodes.nit:1221 */
+  /* parser/parser_nodes.nit:1275 */
   ATTR_parser___parser_nodes___Start____n_eof(fra.me.REG[0]) = fra.me.REG[2];
   stack_frame_head = fra.me.prev;
-  init_table[itpos3] = 1;
+  init_table[itpos1] = 1;
   return;
 }