c_src: regenerate

[nit.git] / c_src / nitc__parser_prod.sep.5.c

diff --git a/c_src/nit__parser_prod.sep.5.c b/c_src/nitc__parser_prod.sep.5.c
similarity index 56%
rename from c_src/nit__parser_prod.sep.5.c
rename to c_src/nitc__parser_prod.sep.5.c
index 1d6f023..7c151d7 100644 (file)
--- a/c_src/nit__parser_prod.sep.5.c
+++ b/c_src/nitc__parser_prod.sep.5.c
@@ -1,136 +1,9 @@
-#include "nit__parser_prod.sep.0.h"
-/* method parser_prod#AFalseExpr#n_annotations= for (self: AFalseExpr, nullable AAnnotations) */
-void nit__parser_prod___AFalseExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AFalseExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
-}
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-var = var1;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
-RET_LABEL5:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AFalseExpr#visit_all for (self: AFalseExpr, Visitor) */
-void nit__parser_prod___AFalseExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwfalse */;
-val* var1 /* : nullable AAnnotations */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AFalseExpr___n_kwfalse].val; /* _n_kwfalse on <self:AFalseExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfalse");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6309);
-fatal_exit(1);
-}
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFalseExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-RET_LABEL:;
-}
-/* method parser_prod#ANullExpr#init_anullexpr for (self: ANullExpr, nullable TKwnull, nullable AAnnotations) */
-void nit__parser_prod___ANullExpr___init_anullexpr(val* self, val* p0, val* p1) {
-val* var_n_kwnull /* var n_kwnull: nullable TKwnull */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-{
-{ /* Inline kernel#Object#init (self) on <self:ANullExpr> */
-RET_LABEL1:(void)0;
-}
-}
-var_n_kwnull = p0;
-var_n_annotations = p1;
-if (unlikely(var_n_kwnull == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6319);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__ANullExpr___n_kwnull].val = var_n_kwnull; /* _n_kwnull on <self:ANullExpr> */
-if (var_n_kwnull == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6320);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwnull,self) on <var_n_kwnull:nullable TKwnull> */
-if (unlikely(var_n_kwnull == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_kwnull->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnull:nullable TKwnull> */
-RET_LABEL2:(void)0;
-}
-}
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ANullExpr> */
-if (var_n_annotations == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
-}
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var = var3;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ANullExpr#replace_child for (self: ANullExpr, ANode, nullable ANode) */
-void nit__parser_prod___ANullExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+#include "nitc__parser_prod.sep.0.h"
+/* method parser_prod#ATrueExpr#replace_child for (self: ATrueExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ATrueExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwnull */;
+val* var /* : TKwtrue */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -150,17 +23,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ANullExpr___n_kwnull].val; /* _n_kwnull on <self:ANullExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ATrueExpr___n_kwtrue].val; /* _n_kwtrue on <self:ATrueExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6327);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwtrue");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6301);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwnull> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwtrue> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwnull> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwtrue> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -173,9 +46,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwnull */
-cltype = type_nit__TKwnull.color;
-idtype = type_nit__TKwnull.id;
+/* <var_new_child:nullable ANode> isa TKwtrue */
+cltype = type_nitc__TKwtrue.color;
+idtype = type_nitc__TKwtrue.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -187,17 +60,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnull", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6328);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwtrue", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6302);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ANullExpr___n_kwnull_61d(self, var_new_child); /* Direct call parser_prod#ANullExpr#n_kwnull= on <self:ANullExpr>*/
+nitc__parser_prod___ATrueExpr___n_kwtrue_61d(self, var_new_child); /* Direct call parser_prod#ATrueExpr#n_kwtrue= on <self:ATrueExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ANullExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ATrueExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -219,8 +92,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -233,32 +106,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6332);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6306);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ANullExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ANullExpr#n_annotations= on <self:ANullExpr>*/
+nitc__parser_prod___ATrueExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ATrueExpr#n_annotations= on <self:ATrueExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANullExpr#n_kwnull= for (self: ANullExpr, TKwnull) */
-void nit__parser_prod___ANullExpr___n_kwnull_61d(val* self, val* p0) {
-val* var_node /* var node: TKwnull */;
+/* method parser_prod#ATrueExpr#n_kwtrue= for (self: ATrueExpr, TKwtrue) */
+void nitc__parser_prod___ATrueExpr___n_kwtrue_61d(val* self, val* p0) {
+val* var_node /* var node: TKwtrue */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ANullExpr___n_kwnull].val = var_node; /* _n_kwnull on <self:ANullExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ATrueExpr___n_kwtrue].val = var_node; /* _n_kwtrue on <self:ATrueExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnull> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnull> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwtrue> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwtrue> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANullExpr#n_annotations= for (self: ANullExpr, nullable AAnnotations) */
-void nit__parser_prod___ANullExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#ATrueExpr#n_annotations= for (self: ATrueExpr, nullable AAnnotations) */
+void nitc__parser_prod___ATrueExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -266,7 +139,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ANullExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ATrueExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -276,7 +149,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -288,7 +161,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -296,30 +169,30 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANullExpr#visit_all for (self: ANullExpr, Visitor) */
-void nit__parser_prod___ANullExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ATrueExpr#visit_all for (self: ATrueExpr, Visitor) */
+void nitc__parser_prod___ATrueExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwnull */;
+val* var /* : TKwtrue */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ANullExpr___n_kwnull].val; /* _n_kwnull on <self:ANullExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ATrueExpr___n_kwtrue].val; /* _n_kwtrue on <self:ATrueExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6351);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwtrue");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6325);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ANullExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ATrueExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecIntExpr#init_adecintexpr for (self: ADecIntExpr, nullable TNumber, nullable AAnnotations) */
-void nit__parser_prod___ADecIntExpr___init_adecintexpr(val* self, val* p0, val* p1) {
-val* var_n_number /* var n_number: nullable TNumber */;
+/* method parser_prod#AFalseExpr#init_afalseexpr for (self: AFalseExpr, nullable TKwfalse, nullable AAnnotations) */
+void nitc__parser_prod___AFalseExpr___init_afalseexpr(val* self, val* p0, val* p1) {
+val* var_n_kwfalse /* var n_kwfalse: nullable TKwfalse */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var3 /* : Bool */;
@@ -327,34 +200,34 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ADecIntExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AFalseExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_number = p0;
+var_n_kwfalse = p0;
 var_n_annotations = p1;
-if (unlikely(var_n_number == NULL)) {
+if (unlikely(var_n_kwfalse == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6361);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6335);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ADecIntExpr___n_number].val = var_n_number; /* _n_number on <self:ADecIntExpr> */
-if (var_n_number == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AFalseExpr___n_kwfalse].val = var_n_kwfalse; /* _n_kwfalse on <self:AFalseExpr> */
+if (var_n_kwfalse == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6362);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6336);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_number,self) on <var_n_number:nullable TNumber> */
-if (unlikely(var_n_number == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwfalse,self) on <var_n_kwfalse:nullable TKwfalse> */
+if (unlikely(var_n_kwfalse == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_number->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_number:nullable TNumber> */
+var_n_kwfalse->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwfalse:nullable TKwfalse> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ADecIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AFalseExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -364,7 +237,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
 var6 = !var5;
 var3 = var6;
@@ -376,7 +249,7 @@ var = var3;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -384,11 +257,11 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecIntExpr#replace_child for (self: ADecIntExpr, ANode, nullable ANode) */
-void nit__parser_prod___ADecIntExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AFalseExpr#replace_child for (self: AFalseExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AFalseExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TNumber */;
+val* var /* : TKwfalse */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -408,17 +281,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ADecIntExpr___n_number].val; /* _n_number on <self:ADecIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AFalseExpr___n_kwfalse].val; /* _n_kwfalse on <self:AFalseExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6369);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfalse");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6343);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TNumber> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwfalse> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TNumber> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwfalse> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -431,9 +304,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TNumber */
-cltype = type_nit__TNumber.color;
-idtype = type_nit__TNumber.id;
+/* <var_new_child:nullable ANode> isa TKwfalse */
+cltype = type_nitc__TKwfalse.color;
+idtype = type_nitc__TKwfalse.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -445,17 +318,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TNumber", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6370);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwfalse", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6344);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADecIntExpr___n_number_61d(self, var_new_child); /* Direct call parser_prod#ADecIntExpr#n_number= on <self:ADecIntExpr>*/
+nitc__parser_prod___AFalseExpr___n_kwfalse_61d(self, var_new_child); /* Direct call parser_prod#AFalseExpr#n_kwfalse= on <self:AFalseExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ADecIntExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFalseExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -477,8 +350,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -491,32 +364,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6374);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6348);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADecIntExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ADecIntExpr#n_annotations= on <self:ADecIntExpr>*/
+nitc__parser_prod___AFalseExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AFalseExpr#n_annotations= on <self:AFalseExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecIntExpr#n_number= for (self: ADecIntExpr, TNumber) */
-void nit__parser_prod___ADecIntExpr___n_number_61d(val* self, val* p0) {
-val* var_node /* var node: TNumber */;
+/* method parser_prod#AFalseExpr#n_kwfalse= for (self: AFalseExpr, TKwfalse) */
+void nitc__parser_prod___AFalseExpr___n_kwfalse_61d(val* self, val* p0) {
+val* var_node /* var node: TKwfalse */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ADecIntExpr___n_number].val = var_node; /* _n_number on <self:ADecIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AFalseExpr___n_kwfalse].val = var_node; /* _n_kwfalse on <self:AFalseExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TNumber> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TNumber> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwfalse> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwfalse> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecIntExpr#n_annotations= for (self: ADecIntExpr, nullable AAnnotations) */
-void nit__parser_prod___ADecIntExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#AFalseExpr#n_annotations= for (self: AFalseExpr, nullable AAnnotations) */
+void nitc__parser_prod___AFalseExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -524,7 +397,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ADecIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AFalseExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -534,7 +407,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -546,7 +419,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -554,30 +427,30 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecIntExpr#visit_all for (self: ADecIntExpr, Visitor) */
-void nit__parser_prod___ADecIntExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AFalseExpr#visit_all for (self: AFalseExpr, Visitor) */
+void nitc__parser_prod___AFalseExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TNumber */;
+val* var /* : TKwfalse */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ADecIntExpr___n_number].val; /* _n_number on <self:ADecIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AFalseExpr___n_kwfalse].val; /* _n_kwfalse on <self:AFalseExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6393);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfalse");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6367);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ADecIntExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFalseExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexIntExpr#init_ahexintexpr for (self: AHexIntExpr, nullable THexNumber, nullable AAnnotations) */
-void nit__parser_prod___AHexIntExpr___init_ahexintexpr(val* self, val* p0, val* p1) {
-val* var_n_hex_number /* var n_hex_number: nullable THexNumber */;
+/* method parser_prod#ANullExpr#init_anullexpr for (self: ANullExpr, nullable TKwnull, nullable AAnnotations) */
+void nitc__parser_prod___ANullExpr___init_anullexpr(val* self, val* p0, val* p1) {
+val* var_n_kwnull /* var n_kwnull: nullable TKwnull */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var3 /* : Bool */;
@@ -585,34 +458,34 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AHexIntExpr> */
+{ /* Inline kernel#Object#init (self) on <self:ANullExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_hex_number = p0;
+var_n_kwnull = p0;
 var_n_annotations = p1;
-if (unlikely(var_n_hex_number == NULL)) {
+if (unlikely(var_n_kwnull == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6403);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6377);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AHexIntExpr___n_hex_number].val = var_n_hex_number; /* _n_hex_number on <self:AHexIntExpr> */
-if (var_n_hex_number == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ANullExpr___n_kwnull].val = var_n_kwnull; /* _n_kwnull on <self:ANullExpr> */
+if (var_n_kwnull == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6404);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6378);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_hex_number,self) on <var_n_hex_number:nullable THexNumber> */
-if (unlikely(var_n_hex_number == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwnull,self) on <var_n_kwnull:nullable TKwnull> */
+if (unlikely(var_n_kwnull == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_hex_number->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_hex_number:nullable THexNumber> */
+var_n_kwnull->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnull:nullable TKwnull> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AHexIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ANullExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -622,7 +495,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
 var6 = !var5;
 var3 = var6;
@@ -634,7 +507,7 @@ var = var3;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -642,11 +515,11 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexIntExpr#replace_child for (self: AHexIntExpr, ANode, nullable ANode) */
-void nit__parser_prod___AHexIntExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ANullExpr#replace_child for (self: ANullExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ANullExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : THexNumber */;
+val* var /* : TKwnull */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -666,17 +539,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AHexIntExpr___n_hex_number].val; /* _n_hex_number on <self:AHexIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ANullExpr___n_kwnull].val; /* _n_kwnull on <self:ANullExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_hex_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6411);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6385);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:THexNumber> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwnull> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:THexNumber> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwnull> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -689,9 +562,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa THexNumber */
-cltype = type_nit__THexNumber.color;
-idtype = type_nit__THexNumber.id;
+/* <var_new_child:nullable ANode> isa TKwnull */
+cltype = type_nitc__TKwnull.color;
+idtype = type_nitc__TKwnull.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -703,17 +576,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "THexNumber", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6412);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnull", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6386);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AHexIntExpr___n_hex_number_61d(self, var_new_child); /* Direct call parser_prod#AHexIntExpr#n_hex_number= on <self:AHexIntExpr>*/
+nitc__parser_prod___ANullExpr___n_kwnull_61d(self, var_new_child); /* Direct call parser_prod#ANullExpr#n_kwnull= on <self:ANullExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AHexIntExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ANullExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -735,8 +608,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -749,32 +622,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6416);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6390);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AHexIntExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AHexIntExpr#n_annotations= on <self:AHexIntExpr>*/
+nitc__parser_prod___ANullExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ANullExpr#n_annotations= on <self:ANullExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexIntExpr#n_hex_number= for (self: AHexIntExpr, THexNumber) */
-void nit__parser_prod___AHexIntExpr___n_hex_number_61d(val* self, val* p0) {
-val* var_node /* var node: THexNumber */;
+/* method parser_prod#ANullExpr#n_kwnull= for (self: ANullExpr, TKwnull) */
+void nitc__parser_prod___ANullExpr___n_kwnull_61d(val* self, val* p0) {
+val* var_node /* var node: TKwnull */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AHexIntExpr___n_hex_number].val = var_node; /* _n_hex_number on <self:AHexIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ANullExpr___n_kwnull].val = var_node; /* _n_kwnull on <self:ANullExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:THexNumber> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:THexNumber> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnull> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnull> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexIntExpr#n_annotations= for (self: AHexIntExpr, nullable AAnnotations) */
-void nit__parser_prod___AHexIntExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#ANullExpr#n_annotations= for (self: ANullExpr, nullable AAnnotations) */
+void nitc__parser_prod___ANullExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -782,7 +655,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AHexIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ANullExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -792,7 +665,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -804,7 +677,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -812,30 +685,30 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexIntExpr#visit_all for (self: AHexIntExpr, Visitor) */
-void nit__parser_prod___AHexIntExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ANullExpr#visit_all for (self: ANullExpr, Visitor) */
+void nitc__parser_prod___ANullExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : THexNumber */;
+val* var /* : TKwnull */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AHexIntExpr___n_hex_number].val; /* _n_hex_number on <self:AHexIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ANullExpr___n_kwnull].val; /* _n_kwnull on <self:ANullExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_hex_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6435);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6409);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AHexIntExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ANullExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinIntExpr#init_abinintexpr for (self: ABinIntExpr, nullable TBinNumber, nullable AAnnotations) */
-void nit__parser_prod___ABinIntExpr___init_abinintexpr(val* self, val* p0, val* p1) {
-val* var_n_bin_number /* var n_bin_number: nullable TBinNumber */;
+/* method parser_prod#AIntegerExpr#init_aintegerexpr for (self: AIntegerExpr, nullable TInteger, nullable AAnnotations) */
+void nitc__parser_prod___AIntegerExpr___init_aintegerexpr(val* self, val* p0, val* p1) {
+val* var_n_integer /* var n_integer: nullable TInteger */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var3 /* : Bool */;
@@ -843,34 +716,34 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ABinIntExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AIntegerExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_bin_number = p0;
+var_n_integer = p0;
 var_n_annotations = p1;
-if (unlikely(var_n_bin_number == NULL)) {
+if (unlikely(var_n_integer == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6445);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6419);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ABinIntExpr___n_bin_number].val = var_n_bin_number; /* _n_bin_number on <self:ABinIntExpr> */
-if (var_n_bin_number == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AIntegerExpr___n_integer].val = var_n_integer; /* _n_integer on <self:AIntegerExpr> */
+if (var_n_integer == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6446);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6420);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_bin_number,self) on <var_n_bin_number:nullable TBinNumber> */
-if (unlikely(var_n_bin_number == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_integer,self) on <var_n_integer:nullable TInteger> */
+if (unlikely(var_n_integer == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_bin_number->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_bin_number:nullable TBinNumber> */
+var_n_integer->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_integer:nullable TInteger> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ABinIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AIntegerExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -880,7 +753,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
 var6 = !var5;
 var3 = var6;
@@ -892,7 +765,7 @@ var = var3;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -900,11 +773,11 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinIntExpr#replace_child for (self: ABinIntExpr, ANode, nullable ANode) */
-void nit__parser_prod___ABinIntExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AIntegerExpr#replace_child for (self: AIntegerExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AIntegerExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TBinNumber */;
+val* var /* : TInteger */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -924,17 +797,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ABinIntExpr___n_bin_number].val; /* _n_bin_number on <self:ABinIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AIntegerExpr___n_integer].val; /* _n_integer on <self:AIntegerExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_bin_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6453);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_integer");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6427);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TBinNumber> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TInteger> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TBinNumber> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TInteger> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -947,9 +820,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TBinNumber */
-cltype = type_nit__TBinNumber.color;
-idtype = type_nit__TBinNumber.id;
+/* <var_new_child:nullable ANode> isa TInteger */
+cltype = type_nitc__TInteger.color;
+idtype = type_nitc__TInteger.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -961,17 +834,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TBinNumber", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6454);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TInteger", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6428);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ABinIntExpr___n_bin_number_61d(self, var_new_child); /* Direct call parser_prod#ABinIntExpr#n_bin_number= on <self:ABinIntExpr>*/
+nitc__parser_prod___AIntegerExpr___n_integer_61d(self, var_new_child); /* Direct call parser_prod#AIntegerExpr#n_integer= on <self:AIntegerExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ABinIntExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AIntegerExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -993,8 +866,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -1007,32 +880,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6458);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6432);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ABinIntExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ABinIntExpr#n_annotations= on <self:ABinIntExpr>*/
+nitc__parser_prod___AIntegerExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AIntegerExpr#n_annotations= on <self:AIntegerExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinIntExpr#n_bin_number= for (self: ABinIntExpr, TBinNumber) */
-void nit__parser_prod___ABinIntExpr___n_bin_number_61d(val* self, val* p0) {
-val* var_node /* var node: TBinNumber */;
+/* method parser_prod#AIntegerExpr#n_integer= for (self: AIntegerExpr, TInteger) */
+void nitc__parser_prod___AIntegerExpr___n_integer_61d(val* self, val* p0) {
+val* var_node /* var node: TInteger */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ABinIntExpr___n_bin_number].val = var_node; /* _n_bin_number on <self:ABinIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AIntegerExpr___n_integer].val = var_node; /* _n_integer on <self:AIntegerExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TBinNumber> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TBinNumber> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TInteger> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TInteger> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinIntExpr#n_annotations= for (self: ABinIntExpr, nullable AAnnotations) */
-void nit__parser_prod___ABinIntExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#AIntegerExpr#n_annotations= for (self: AIntegerExpr, nullable AAnnotations) */
+void nitc__parser_prod___AIntegerExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -1040,7 +913,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ABinIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AIntegerExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -1050,7 +923,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -1062,7 +935,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -1070,30 +943,30 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinIntExpr#visit_all for (self: ABinIntExpr, Visitor) */
-void nit__parser_prod___ABinIntExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AIntegerExpr#visit_all for (self: AIntegerExpr, Visitor) */
+void nitc__parser_prod___AIntegerExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TBinNumber */;
+val* var /* : TInteger */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ABinIntExpr___n_bin_number].val; /* _n_bin_number on <self:ABinIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AIntegerExpr___n_integer].val; /* _n_integer on <self:AIntegerExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_bin_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6477);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_integer");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6451);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ABinIntExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AIntegerExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctIntExpr#init_aoctintexpr for (self: AOctIntExpr, nullable TOctNumber, nullable AAnnotations) */
-void nit__parser_prod___AOctIntExpr___init_aoctintexpr(val* self, val* p0, val* p1) {
-val* var_n_oct_number /* var n_oct_number: nullable TOctNumber */;
+/* method parser_prod#AFloatExpr#init_afloatexpr for (self: AFloatExpr, nullable TFloat, nullable AAnnotations) */
+void nitc__parser_prod___AFloatExpr___init_afloatexpr(val* self, val* p0, val* p1) {
+val* var_n_float /* var n_float: nullable TFloat */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var3 /* : Bool */;
@@ -1101,34 +974,34 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AOctIntExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AFloatExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_oct_number = p0;
+var_n_float = p0;
 var_n_annotations = p1;
-if (unlikely(var_n_oct_number == NULL)) {
+if (unlikely(var_n_float == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6487);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6461);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AOctIntExpr___n_oct_number].val = var_n_oct_number; /* _n_oct_number on <self:AOctIntExpr> */
-if (var_n_oct_number == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AFloatExpr___n_float].val = var_n_float; /* _n_float on <self:AFloatExpr> */
+if (var_n_float == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6488);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6462);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_oct_number,self) on <var_n_oct_number:nullable TOctNumber> */
-if (unlikely(var_n_oct_number == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_float,self) on <var_n_float:nullable TFloat> */
+if (unlikely(var_n_float == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_oct_number->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_oct_number:nullable TOctNumber> */
+var_n_float->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_float:nullable TFloat> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AOctIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AFloatExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -1138,7 +1011,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
 var6 = !var5;
 var3 = var6;
@@ -1150,7 +1023,7 @@ var = var3;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -1158,11 +1031,11 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctIntExpr#replace_child for (self: AOctIntExpr, ANode, nullable ANode) */
-void nit__parser_prod___AOctIntExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AFloatExpr#replace_child for (self: AFloatExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AFloatExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TOctNumber */;
+val* var /* : TFloat */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -1182,17 +1055,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AOctIntExpr___n_oct_number].val; /* _n_oct_number on <self:AOctIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AFloatExpr___n_float].val; /* _n_float on <self:AFloatExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_oct_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6495);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_float");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6469);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TOctNumber> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TFloat> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TOctNumber> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TFloat> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -1205,9 +1078,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TOctNumber */
-cltype = type_nit__TOctNumber.color;
-idtype = type_nit__TOctNumber.id;
+/* <var_new_child:nullable ANode> isa TFloat */
+cltype = type_nitc__TFloat.color;
+idtype = type_nitc__TFloat.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -1219,17 +1092,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TOctNumber", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6496);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TFloat", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6470);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AOctIntExpr___n_oct_number_61d(self, var_new_child); /* Direct call parser_prod#AOctIntExpr#n_oct_number= on <self:AOctIntExpr>*/
+nitc__parser_prod___AFloatExpr___n_float_61d(self, var_new_child); /* Direct call parser_prod#AFloatExpr#n_float= on <self:AFloatExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AOctIntExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFloatExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -1251,8 +1124,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -1265,32 +1138,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6500);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6474);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AOctIntExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AOctIntExpr#n_annotations= on <self:AOctIntExpr>*/
+nitc__parser_prod___AFloatExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AFloatExpr#n_annotations= on <self:AFloatExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctIntExpr#n_oct_number= for (self: AOctIntExpr, TOctNumber) */
-void nit__parser_prod___AOctIntExpr___n_oct_number_61d(val* self, val* p0) {
-val* var_node /* var node: TOctNumber */;
+/* method parser_prod#AFloatExpr#n_float= for (self: AFloatExpr, TFloat) */
+void nitc__parser_prod___AFloatExpr___n_float_61d(val* self, val* p0) {
+val* var_node /* var node: TFloat */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AOctIntExpr___n_oct_number].val = var_node; /* _n_oct_number on <self:AOctIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AFloatExpr___n_float].val = var_node; /* _n_float on <self:AFloatExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TOctNumber> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TOctNumber> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TFloat> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TFloat> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctIntExpr#n_annotations= for (self: AOctIntExpr, nullable AAnnotations) */
-void nit__parser_prod___AOctIntExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#AFloatExpr#n_annotations= for (self: AFloatExpr, nullable AAnnotations) */
+void nitc__parser_prod___AFloatExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -1298,7 +1171,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AOctIntExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AFloatExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -1308,7 +1181,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -1320,7 +1193,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -1328,30 +1201,30 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctIntExpr#visit_all for (self: AOctIntExpr, Visitor) */
-void nit__parser_prod___AOctIntExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AFloatExpr#visit_all for (self: AFloatExpr, Visitor) */
+void nitc__parser_prod___AFloatExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TOctNumber */;
+val* var /* : TFloat */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AOctIntExpr___n_oct_number].val; /* _n_oct_number on <self:AOctIntExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AFloatExpr___n_float].val; /* _n_float on <self:AFloatExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_oct_number");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6519);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_float");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6493);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AOctIntExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFloatExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecByteExpr#init_adecbyteexpr for (self: ADecByteExpr, nullable TBytenum, nullable AAnnotations) */
-void nit__parser_prod___ADecByteExpr___init_adecbyteexpr(val* self, val* p0, val* p1) {
-val* var_n_bytenum /* var n_bytenum: nullable TBytenum */;
+/* method parser_prod#ACharExpr#init_acharexpr for (self: ACharExpr, nullable TChar, nullable AAnnotations) */
+void nitc__parser_prod___ACharExpr___init_acharexpr(val* self, val* p0, val* p1) {
+val* var_n_char /* var n_char: nullable TChar */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var3 /* : Bool */;
@@ -1359,34 +1232,34 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ADecByteExpr> */
+{ /* Inline kernel#Object#init (self) on <self:ACharExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_bytenum = p0;
+var_n_char = p0;
 var_n_annotations = p1;
-if (unlikely(var_n_bytenum == NULL)) {
+if (unlikely(var_n_char == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6529);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6503);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ADecByteExpr___n_bytenum].val = var_n_bytenum; /* _n_bytenum on <self:ADecByteExpr> */
-if (var_n_bytenum == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ACharExpr___n_char].val = var_n_char; /* _n_char on <self:ACharExpr> */
+if (var_n_char == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6530);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6504);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_bytenum,self) on <var_n_bytenum:nullable TBytenum> */
-if (unlikely(var_n_bytenum == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_char,self) on <var_n_char:nullable TChar> */
+if (unlikely(var_n_char == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_bytenum->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_bytenum:nullable TBytenum> */
+var_n_char->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_char:nullable TChar> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ADecByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ACharExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -1396,7 +1269,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
 var6 = !var5;
 var3 = var6;
@@ -1408,7 +1281,7 @@ var = var3;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -1416,11 +1289,11 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecByteExpr#replace_child for (self: ADecByteExpr, ANode, nullable ANode) */
-void nit__parser_prod___ADecByteExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ACharExpr#replace_child for (self: ACharExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ACharExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TBytenum */;
+val* var /* : TChar */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -1440,17 +1313,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ADecByteExpr___n_bytenum].val; /* _n_bytenum on <self:ADecByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ACharExpr___n_char].val; /* _n_char on <self:ACharExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6537);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_char");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6511);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TBytenum> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TChar> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TBytenum> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TChar> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -1463,9 +1336,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TBytenum */
-cltype = type_nit__TBytenum.color;
-idtype = type_nit__TBytenum.id;
+/* <var_new_child:nullable ANode> isa TChar */
+cltype = type_nitc__TChar.color;
+idtype = type_nitc__TChar.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -1477,17 +1350,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TBytenum", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6538);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TChar", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6512);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADecByteExpr___n_bytenum_61d(self, var_new_child); /* Direct call parser_prod#ADecByteExpr#n_bytenum= on <self:ADecByteExpr>*/
+nitc__parser_prod___ACharExpr___n_char_61d(self, var_new_child); /* Direct call parser_prod#ACharExpr#n_char= on <self:ACharExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ADecByteExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ACharExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -1509,8 +1382,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -1523,32 +1396,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6542);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6516);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADecByteExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ADecByteExpr#n_annotations= on <self:ADecByteExpr>*/
+nitc__parser_prod___ACharExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ACharExpr#n_annotations= on <self:ACharExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecByteExpr#n_bytenum= for (self: ADecByteExpr, TBytenum) */
-void nit__parser_prod___ADecByteExpr___n_bytenum_61d(val* self, val* p0) {
-val* var_node /* var node: TBytenum */;
+/* method parser_prod#ACharExpr#n_char= for (self: ACharExpr, TChar) */
+void nitc__parser_prod___ACharExpr___n_char_61d(val* self, val* p0) {
+val* var_node /* var node: TChar */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ADecByteExpr___n_bytenum].val = var_node; /* _n_bytenum on <self:ADecByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ACharExpr___n_char].val = var_node; /* _n_char on <self:ACharExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TBytenum> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TBytenum> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TChar> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TChar> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecByteExpr#n_annotations= for (self: ADecByteExpr, nullable AAnnotations) */
-void nit__parser_prod___ADecByteExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#ACharExpr#n_annotations= for (self: ACharExpr, nullable AAnnotations) */
+void nitc__parser_prod___ACharExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -1556,7 +1429,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ADecByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ACharExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -1566,7 +1439,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -1578,7 +1451,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -1586,30 +1459,30 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADecByteExpr#visit_all for (self: ADecByteExpr, Visitor) */
-void nit__parser_prod___ADecByteExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ACharExpr#visit_all for (self: ACharExpr, Visitor) */
+void nitc__parser_prod___ACharExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TBytenum */;
+val* var /* : TChar */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ADecByteExpr___n_bytenum].val; /* _n_bytenum on <self:ADecByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ACharExpr___n_char].val; /* _n_char on <self:ACharExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6561);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_char");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6535);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ADecByteExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ACharExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexByteExpr#init_ahexbyteexpr for (self: AHexByteExpr, nullable THexBytenum, nullable AAnnotations) */
-void nit__parser_prod___AHexByteExpr___init_ahexbyteexpr(val* self, val* p0, val* p1) {
-val* var_n_hex_bytenum /* var n_hex_bytenum: nullable THexBytenum */;
+/* method parser_prod#AStringExpr#init_astringexpr for (self: AStringExpr, nullable TString, nullable AAnnotations) */
+void nitc__parser_prod___AStringExpr___init_astringexpr(val* self, val* p0, val* p1) {
+val* var_n_string /* var n_string: nullable TString */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var3 /* : Bool */;
@@ -1617,34 +1490,34 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AHexByteExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AStringExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_hex_bytenum = p0;
+var_n_string = p0;
 var_n_annotations = p1;
-if (unlikely(var_n_hex_bytenum == NULL)) {
+if (unlikely(var_n_string == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6571);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6545);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AHexByteExpr___n_hex_bytenum].val = var_n_hex_bytenum; /* _n_hex_bytenum on <self:AHexByteExpr> */
-if (var_n_hex_bytenum == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AStringExpr> */
+if (var_n_string == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6572);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6546);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_hex_bytenum,self) on <var_n_hex_bytenum:nullable THexBytenum> */
-if (unlikely(var_n_hex_bytenum == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TString> */
+if (unlikely(var_n_string == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_hex_bytenum->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_hex_bytenum:nullable THexBytenum> */
+var_n_string->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TString> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AHexByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AStringExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -1654,7 +1527,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
 var6 = !var5;
 var3 = var6;
@@ -1666,7 +1539,7 @@ var = var3;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -1674,11 +1547,11 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexByteExpr#replace_child for (self: AHexByteExpr, ANode, nullable ANode) */
-void nit__parser_prod___AHexByteExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AStringExpr#replace_child for (self: AStringExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AStringExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : THexBytenum */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -1698,17 +1571,17 @@ int idtype16;
 const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AHexByteExpr___n_hex_bytenum].val; /* _n_hex_bytenum on <self:AHexByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStringExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_hex_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6579);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6553);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:THexBytenum> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:THexBytenum> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -1721,9 +1594,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa THexBytenum */
-cltype = type_nit__THexBytenum.color;
-idtype = type_nit__THexBytenum.id;
+/* <var_new_child:nullable ANode> isa TString */
+cltype = type_nitc__TString.color;
+idtype = type_nitc__TString.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -1735,17 +1608,17 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "THexBytenum", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6580);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TString", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6554);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AHexByteExpr___n_hex_bytenum_61d(self, var_new_child); /* Direct call parser_prod#AHexByteExpr#n_hex_bytenum= on <self:AHexByteExpr>*/
+nitc__parser_prod___AStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AStringExpr#n_string= on <self:AStringExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AHexByteExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AStringExpr> */
 if (var7 == NULL) {
 var8 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
@@ -1767,8 +1640,8 @@ var8 = var9;
 }
 if (var8){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype15 = type_nullable__nitc__AAnnotations.color;
+idtype16 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
 var14 = 1;
 } else {
@@ -1781,32 +1654,32 @@ var14 = var_new_child->type->type_table[cltype15] == idtype16;
 if (unlikely(!var14)) {
 var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6584);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6558);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AHexByteExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AHexByteExpr#n_annotations= on <self:AHexByteExpr>*/
+nitc__parser_prod___AStringExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AStringExpr#n_annotations= on <self:AStringExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexByteExpr#n_hex_bytenum= for (self: AHexByteExpr, THexBytenum) */
-void nit__parser_prod___AHexByteExpr___n_hex_bytenum_61d(val* self, val* p0) {
-val* var_node /* var node: THexBytenum */;
+/* method parser_prod#AStringExpr#n_string= for (self: AStringExpr, Token) */
+void nitc__parser_prod___AStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AHexByteExpr___n_hex_bytenum].val = var_node; /* _n_hex_bytenum on <self:AHexByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AStringExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:THexBytenum> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:THexBytenum> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexByteExpr#n_annotations= for (self: AHexByteExpr, nullable AAnnotations) */
-void nit__parser_prod___AHexByteExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#AStringExpr#n_annotations= for (self: AStringExpr, nullable AAnnotations) */
+void nitc__parser_prod___AStringExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -1814,7 +1687,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AHexByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AStringExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -1824,7 +1697,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -1836,7 +1709,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -1844,99 +1717,64 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AHexByteExpr#visit_all for (self: AHexByteExpr, Visitor) */
-void nit__parser_prod___AHexByteExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AStringExpr#visit_all for (self: AStringExpr, Visitor) */
+void nitc__parser_prod___AStringExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : THexBytenum */;
+val* var /* : Token */;
 val* var1 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AHexByteExpr___n_hex_bytenum].val; /* _n_hex_bytenum on <self:AHexByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStringExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_hex_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6603);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6577);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AHexByteExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AStringExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinByteExpr#init_abinbyteexpr for (self: ABinByteExpr, nullable TBinBytenum, nullable AAnnotations) */
-void nit__parser_prod___ABinByteExpr___init_abinbyteexpr(val* self, val* p0, val* p1) {
-val* var_n_bin_bytenum /* var n_bin_bytenum: nullable TBinBytenum */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AStartStringExpr#init_astartstringexpr for (self: AStartStringExpr, nullable TStartString) */
+void nitc__parser_prod___AStartStringExpr___init_astartstringexpr(val* self, val* p0) {
+val* var_n_string /* var n_string: nullable TStartString */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ABinByteExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AStartStringExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_bin_bytenum = p0;
-var_n_annotations = p1;
-if (unlikely(var_n_bin_bytenum == NULL)) {
+var_n_string = p0;
+if (unlikely(var_n_string == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6613);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6586);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ABinByteExpr___n_bin_bytenum].val = var_n_bin_bytenum; /* _n_bin_bytenum on <self:ABinByteExpr> */
-if (var_n_bin_bytenum == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AStartStringExpr> */
+if (var_n_string == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6614);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6587);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_bin_bytenum,self) on <var_n_bin_bytenum:nullable TBinBytenum> */
-if (unlikely(var_n_bin_bytenum == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TStartString> */
+if (unlikely(var_n_string == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_bin_bytenum->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_bin_bytenum:nullable TBinBytenum> */
+var_n_string->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TStartString> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ABinByteExpr> */
-if (var_n_annotations == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
-}
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var = var3;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
 RET_LABEL:;
 }
-/* method parser_prod#ABinByteExpr#replace_child for (self: ABinByteExpr, ANode, nullable ANode) */
-void nit__parser_prod___ABinByteExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AStartStringExpr#replace_child for (self: AStartStringExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AStartStringExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TBinBytenum */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -1945,28 +1783,19 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : nullable AAnnotations */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
-const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ABinByteExpr___n_bin_bytenum].val; /* _n_bin_bytenum on <self:ABinByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStartStringExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_bin_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6621);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6592);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TBinBytenum> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TBinBytenum> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -1979,9 +1808,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TBinBytenum */
-cltype = type_nit__TBinBytenum.color;
-idtype = type_nit__TBinBytenum.id;
+/* <var_new_child:nullable ANode> isa TStartString */
+cltype = type_nitc__TStartString.color;
+idtype = type_nitc__TStartString.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -1993,208 +1822,209 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TBinBytenum", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6622);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TStartString", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6593);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ABinByteExpr___n_bin_bytenum_61d(self, var_new_child); /* Direct call parser_prod#ABinByteExpr#n_bin_bytenum= on <self:ABinByteExpr>*/
+nitc__parser_prod___AStartStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AStartStringExpr#n_string= on <self:AStartStringExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ABinByteExpr> */
-if (var7 == NULL) {
-var8 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable AAnnotations> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable AAnnotations(AAnnotations)> */
-var13 = var7 == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-}
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+RET_LABEL:;
 }
-var8 = var9;
+/* method parser_prod#AStartStringExpr#n_string= for (self: AStartStringExpr, Token) */
+void nitc__parser_prod___AStartStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AStartStringExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+RET_LABEL1:(void)0;
 }
-if (var8){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
-if(var_new_child == NULL) {
-var14 = 1;
-} else {
-if(cltype15 >= var_new_child->type->table_size) {
-var14 = 0;
-} else {
-var14 = var_new_child->type->type_table[cltype15] == idtype16;
 }
+RET_LABEL:;
 }
-if (unlikely(!var14)) {
-var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6626);
+/* method parser_prod#AStartStringExpr#visit_all for (self: AStartStringExpr, Visitor) */
+void nitc__parser_prod___AStartStringExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStartStringExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6607);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ABinByteExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ABinByteExpr#n_annotations= on <self:ABinByteExpr>*/
-}
-goto RET_LABEL;
-} else {
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinByteExpr#n_bin_bytenum= for (self: ABinByteExpr, TBinBytenum) */
-void nit__parser_prod___ABinByteExpr___n_bin_bytenum_61d(val* self, val* p0) {
-val* var_node /* var node: TBinBytenum */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ABinByteExpr___n_bin_bytenum].val = var_node; /* _n_bin_bytenum on <self:ABinByteExpr> */
+/* method parser_prod#AMidStringExpr#init_amidstringexpr for (self: AMidStringExpr, nullable TMidString) */
+void nitc__parser_prod___AMidStringExpr___init_amidstringexpr(val* self, val* p0) {
+val* var_n_string /* var n_string: nullable TMidString */;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TBinBytenum> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TBinBytenum> */
+{ /* Inline kernel#Object#init (self) on <self:AMidStringExpr> */
 RET_LABEL1:(void)0;
 }
 }
+var_n_string = p0;
+if (unlikely(var_n_string == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6615);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AMidStringExpr> */
+if (var_n_string == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6616);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TMidString> */
+if (unlikely(var_n_string == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_string->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TMidString> */
+RET_LABEL2:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#ABinByteExpr#n_annotations= for (self: ABinByteExpr, nullable AAnnotations) */
-void nit__parser_prod___ABinByteExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
-short int var /* : Bool */;
+/* method parser_prod#AMidStringExpr#replace_child for (self: AMidStringExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AMidStringExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ABinByteExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AMidStringExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6621);
+fatal_exit(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
-var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
-var4 = !var3;
-var1 = var4;
+}
+var1 = var3;
 goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
-var = var1;
 }
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
-RET_LABEL5:(void)0;
+if (var1){
+/* <var_new_child:nullable ANode> isa TMidString */
+cltype = type_nitc__TMidString.color;
+idtype = type_nitc__TMidString.id;
+if(var_new_child == NULL) {
+var6 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var6 = 0;
+} else {
+var6 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TMidString", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6622);
+fatal_exit(1);
 }
+{
+nitc__parser_prod___AMidStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AMidStringExpr#n_string= on <self:AMidStringExpr>*/
 }
+goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABinByteExpr#visit_all for (self: ABinByteExpr, Visitor) */
-void nit__parser_prod___ABinByteExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AMidStringExpr#n_string= for (self: AMidStringExpr, Token) */
+void nitc__parser_prod___AMidStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AMidStringExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AMidStringExpr#visit_all for (self: AMidStringExpr, Visitor) */
+void nitc__parser_prod___AMidStringExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TBinBytenum */;
-val* var1 /* : nullable AAnnotations */;
+val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ABinByteExpr___n_bin_bytenum].val; /* _n_bin_bytenum on <self:ABinByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AMidStringExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_bin_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6645);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6636);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ABinByteExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctByteExpr#init_aoctbyteexpr for (self: AOctByteExpr, nullable TOctBytenum, nullable AAnnotations) */
-void nit__parser_prod___AOctByteExpr___init_aoctbyteexpr(val* self, val* p0, val* p1) {
-val* var_n_oct_bytenum /* var n_oct_bytenum: nullable TOctBytenum */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AEndStringExpr#init_aendstringexpr for (self: AEndStringExpr, nullable TEndString) */
+void nitc__parser_prod___AEndStringExpr___init_aendstringexpr(val* self, val* p0) {
+val* var_n_string /* var n_string: nullable TEndString */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AOctByteExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AEndStringExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_oct_bytenum = p0;
-var_n_annotations = p1;
-if (unlikely(var_n_oct_bytenum == NULL)) {
+var_n_string = p0;
+if (unlikely(var_n_string == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6655);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6644);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AOctByteExpr___n_oct_bytenum].val = var_n_oct_bytenum; /* _n_oct_bytenum on <self:AOctByteExpr> */
-if (var_n_oct_bytenum == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AEndStringExpr> */
+if (var_n_string == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6656);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6645);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_oct_bytenum,self) on <var_n_oct_bytenum:nullable TOctBytenum> */
-if (unlikely(var_n_oct_bytenum == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TEndString> */
+if (unlikely(var_n_string == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_oct_bytenum->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_oct_bytenum:nullable TOctBytenum> */
+var_n_string->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TEndString> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AOctByteExpr> */
-if (var_n_annotations == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
-}
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var = var3;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
 RET_LABEL:;
 }
-/* method parser_prod#AOctByteExpr#replace_child for (self: AOctByteExpr, ANode, nullable ANode) */
-void nit__parser_prod___AOctByteExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AEndStringExpr#replace_child for (self: AEndStringExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AEndStringExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TOctBytenum */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -2203,28 +2033,19 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : nullable AAnnotations */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
-const char* var_class_name17;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AOctByteExpr___n_oct_bytenum].val; /* _n_oct_bytenum on <self:AOctByteExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AEndStringExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_oct_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6663);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6650);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TOctBytenum> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TOctBytenum> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -2237,9 +2058,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TOctBytenum */
-cltype = type_nit__TOctBytenum.color;
-idtype = type_nit__TOctBytenum.id;
+/* <var_new_child:nullable ANode> isa TEndString */
+cltype = type_nitc__TEndString.color;
+idtype = type_nitc__TEndString.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -2251,78 +2072,197 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TOctBytenum", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6664);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TEndString", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6651);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AOctByteExpr___n_oct_bytenum_61d(self, var_new_child); /* Direct call parser_prod#AOctByteExpr#n_oct_bytenum= on <self:AOctByteExpr>*/
+nitc__parser_prod___AEndStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AEndStringExpr#n_string= on <self:AEndStringExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AOctByteExpr> */
-if (var7 == NULL) {
-var8 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable AAnnotations> */
-var_other = var_old_child;
+RET_LABEL:;
+}
+/* method parser_prod#AEndStringExpr#n_string= for (self: AEndStringExpr, Token) */
+void nitc__parser_prod___AEndStringExpr___nitc__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AEndStringExpr> */
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable AAnnotations(AAnnotations)> */
-var13 = var7 == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+RET_LABEL1:(void)0;
 }
 }
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+RET_LABEL:;
 }
-var8 = var9;
+/* method parser_prod#AEndStringExpr#visit_all for (self: AEndStringExpr, Visitor) */
+void nitc__parser_prod___AEndStringExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AEndStringExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6665);
+fatal_exit(1);
 }
-if (var8){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
-if(var_new_child == NULL) {
-var14 = 1;
-} else {
-if(cltype15 >= var_new_child->type->table_size) {
-var14 = 0;
-} else {
-var14 = var_new_child->type->type_table[cltype15] == idtype16;
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-if (unlikely(!var14)) {
-var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6668);
+/* method parser_prod#ASuperstringExpr#init_asuperstringexpr for (self: ASuperstringExpr, Collection[Object], nullable AAnnotations) */
+void nitc__parser_prod___ASuperstringExpr___init_asuperstringexpr(val* self, val* p0, val* p1) {
+val* var_n_exprs /* var n_exprs: Collection[Object] */;
+val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
+val* var /* : ANodes[AExpr] */;
+val* var3 /* : ANodes[AExpr] */;
+short int var4 /* : Bool */;
+short int var5 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var7 /* : Bool */;
+short int var8 /* : Bool */;
+{
+{ /* Inline kernel#Object#init (self) on <self:ASuperstringExpr> */
+RET_LABEL1:(void)0;
+}
+}
+var_n_exprs = p0;
+var_n_annotations = p1;
+{
+{ /* Inline parser_nodes#ASuperstringExpr#n_exprs (self) on <self:ASuperstringExpr> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__ASuperstringExpr___n_exprs].val; /* _n_exprs on <self:ASuperstringExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2564);
 fatal_exit(1);
 }
+var = var3;
+RET_LABEL2:(void)0;
+}
+}
 {
-nit__parser_prod___AOctByteExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AOctByteExpr#n_annotations= on <self:AOctByteExpr>*/
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
+}
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ASuperstringExpr> */
+if (var_n_annotations == NULL) {
+var4 = 0; /* is null */
+} else {
+var4 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
+var_other = ((val*)NULL);
+{
+var7 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+}
+var8 = !var7;
+var5 = var8;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
+}
+var4 = var5;
+}
+if (var4){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+RET_LABEL9:(void)0;
+}
 }
-goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctByteExpr#n_oct_bytenum= for (self: AOctByteExpr, TOctBytenum) */
-void nit__parser_prod___AOctByteExpr___n_oct_bytenum_61d(val* self, val* p0) {
-val* var_node /* var node: TOctBytenum */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AOctByteExpr___n_oct_bytenum].val = var_node; /* _n_oct_bytenum on <self:AOctByteExpr> */
+/* method parser_prod#ASuperstringExpr#replace_child for (self: ASuperstringExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ASuperstringExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : ANodes[AExpr] */;
+val* var2 /* : ANodes[AExpr] */;
+short int var3 /* : Bool */;
+val* var4 /* : nullable AAnnotations */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool */;
+short int var11 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+var_old_child = p0;
+var_new_child = p1;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TOctBytenum> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TOctBytenum> */
+{ /* Inline parser_nodes#ASuperstringExpr#n_exprs (self) on <self:ASuperstringExpr> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__ASuperstringExpr___n_exprs].val; /* _n_exprs on <self:ASuperstringExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2564);
+fatal_exit(1);
+}
+var = var2;
 RET_LABEL1:(void)0;
 }
 }
+{
+var3 = nitc___nitc__ANodes___replace_child(var, var_old_child, var_new_child);
+}
+if (var3){
+goto RET_LABEL;
+} else {
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ASuperstringExpr> */
+if (var4 == NULL) {
+var5 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var4,var_old_child) on <var4:nullable AAnnotations> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var4,var_other) on <var4:nullable AAnnotations(AAnnotations)> */
+var10 = var4 == var_other;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+var6 = var8;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+var5 = var6;
+}
+if (var5){
+/* <var_new_child:nullable ANode> isa nullable AAnnotations */
+cltype = type_nullable__nitc__AAnnotations.color;
+idtype = type_nullable__nitc__AAnnotations.id;
+if(var_new_child == NULL) {
+var11 = 1;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var11 = 0;
+} else {
+var11 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var11)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6683);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___ASuperstringExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ASuperstringExpr#n_annotations= on <self:ASuperstringExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
 RET_LABEL:;
 }
-/* method parser_prod#AOctByteExpr#n_annotations= for (self: AOctByteExpr, nullable AAnnotations) */
-void nit__parser_prod___AOctByteExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#ASuperstringExpr#n_annotations= for (self: ASuperstringExpr, nullable AAnnotations) */
+void nitc__parser_prod___ASuperstringExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -2330,7 +2270,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AOctByteExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ASuperstringExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -2340,7 +2280,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -2352,7 +2292,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -2360,65 +2300,118 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOctByteExpr#visit_all for (self: AOctByteExpr, Visitor) */
-void nit__parser_prod___AOctByteExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ASuperstringExpr#visit_all for (self: ASuperstringExpr, Visitor) */
+void nitc__parser_prod___ASuperstringExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TOctBytenum */;
-val* var1 /* : nullable AAnnotations */;
+val* var /* : ANodes[AExpr] */;
+val* var2 /* : ANodes[AExpr] */;
+val* var3 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AOctByteExpr___n_oct_bytenum].val; /* _n_oct_bytenum on <self:AOctByteExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_oct_bytenum");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6687);
+{
+{ /* Inline parser_nodes#ASuperstringExpr#n_exprs (self) on <self:ASuperstringExpr> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__ASuperstringExpr___n_exprs].val; /* _n_exprs on <self:ASuperstringExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2564);
 fatal_exit(1);
 }
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AOctByteExpr> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ASuperstringExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AFloatExpr#init_afloatexpr for (self: AFloatExpr, nullable TFloat, nullable AAnnotations) */
-void nit__parser_prod___AFloatExpr___init_afloatexpr(val* self, val* p0, val* p1) {
-val* var_n_float /* var n_float: nullable TFloat */;
+/* method parser_prod#AParExpr#init_aparexpr for (self: AParExpr, nullable TOpar, nullable AExpr, nullable TCpar, nullable AAnnotations) */
+void nitc__parser_prod___AParExpr___init_aparexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+val* var_n_opar /* var n_opar: nullable TOpar */;
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_cpar /* var n_cpar: nullable TCpar */;
 val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var7 /* : Bool */;
+short int var8 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AFloatExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AParExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_float = p0;
-var_n_annotations = p1;
-if (unlikely(var_n_float == NULL)) {
+var_n_opar = p0;
+var_n_expr = p1;
+var_n_cpar = p2;
+var_n_annotations = p3;
+if (unlikely(var_n_opar == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6697);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6709);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AFloatExpr___n_float].val = var_n_float; /* _n_float on <self:AFloatExpr> */
-if (var_n_float == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_opar].val = var_n_opar; /* _n_opar on <self:AParExpr> */
+if (var_n_opar == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6698);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6710);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_float,self) on <var_n_float:nullable TFloat> */
-if (unlikely(var_n_float == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar> */
+if (unlikely(var_n_opar == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_float->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_float:nullable TFloat> */
+var_n_opar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AFloatExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6711);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AParExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6712);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(var_n_cpar == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6713);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AParExpr> */
+if (var_n_cpar == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6714);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar> */
+if (unlikely(var_n_cpar == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_cpar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar> */
+RET_LABEL4:(void)0;
+}
+}
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AParExpr> */
 if (var_n_annotations == NULL) {
 var = 0; /* is null */
 } else {
@@ -2428,31 +2421,31 @@ if (0) {
 { /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var7 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
 }
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var8 = !var7;
+var5 = var8;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
 }
-var = var3;
+var = var5;
 }
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
+RET_LABEL9:(void)0;
 }
 }
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AFloatExpr#replace_child for (self: AFloatExpr, ANode, nullable ANode) */
-void nit__parser_prod___AFloatExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AParExpr#replace_child for (self: AParExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AParExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TFloat */;
+val* var /* : TOpar */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -2461,28 +2454,44 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : nullable AAnnotations */;
+val* var7 /* : AExpr */;
 short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-short int var11 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
 short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
-const char* var_class_name17;
+int cltype14;
+int idtype15;
+const char* var_class_name16;
+val* var17 /* : TCpar */;
+short int var18 /* : Bool */;
+short int var20 /* : Bool */;
+short int var22 /* : Bool */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+const char* var_class_name26;
+val* var27 /* : nullable AAnnotations */;
+short int var28 /* : Bool */;
+short int var29 /* : Bool */;
+short int var31 /* : Bool */;
+short int var33 /* : Bool */;
+short int var34 /* : Bool */;
+int cltype35;
+int idtype36;
+const char* var_class_name37;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AFloatExpr___n_float].val; /* _n_float on <self:AFloatExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_opar].val; /* _n_opar on <self:AParExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_float");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6705);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6721);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TFloat> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TOpar> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TFloat> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TOpar> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -2495,9 +2504,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TFloat */
-cltype = type_nit__TFloat.color;
-idtype = type_nit__TFloat.id;
+/* <var_new_child:nullable ANode> isa TOpar */
+cltype = type_nitc__TOpar.color;
+idtype = type_nitc__TOpar.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -2509,78 +2518,198 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TFloat", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6706);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TOpar", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6722);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AFloatExpr___n_float_61d(self, var_new_child); /* Direct call parser_prod#AFloatExpr#n_float= on <self:AFloatExpr>*/
+nitc__parser_prod___AParExpr___n_opar_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_opar= on <self:AParExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFloatExpr> */
-if (var7 == NULL) {
-var8 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable AAnnotations> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_expr].val; /* _n_expr on <self:AParExpr> */
+if (unlikely(var7 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6725);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable AAnnotations(AAnnotations)> */
-var13 = var7 == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:AExpr> */
+var12 = var7 == var_other;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
 }
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
-var8 = var9;
 }
 if (var8){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype14 = type_nitc__AExpr.color;
+idtype15 = type_nitc__AExpr.id;
+if(var_new_child == NULL) {
+var13 = 0;
+} else {
+if(cltype14 >= var_new_child->type->table_size) {
+var13 = 0;
+} else {
+var13 = var_new_child->type->type_table[cltype14] == idtype15;
+}
+}
+if (unlikely(!var13)) {
+var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6726);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AParExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_expr= on <self:AParExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var17 = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_cpar].val; /* _n_cpar on <self:AParExpr> */
+if (unlikely(var17 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6729);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:TCpar> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:TCpar> */
+var22 = var17 == var_other;
+var20 = var22;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
+}
+}
+var18 = var20;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
+}
+}
+if (var18){
+/* <var_new_child:nullable ANode> isa TCpar */
+cltype24 = type_nitc__TCpar.color;
+idtype25 = type_nitc__TCpar.id;
+if(var_new_child == NULL) {
+var23 = 0;
+} else {
+if(cltype24 >= var_new_child->type->table_size) {
+var23 = 0;
+} else {
+var23 = var_new_child->type->type_table[cltype24] == idtype25;
+}
+}
+if (unlikely(!var23)) {
+var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCpar", var_class_name26);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6730);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AParExpr___n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_cpar= on <self:AParExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var27 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AParExpr> */
+if (var27 == NULL) {
+var28 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var27,var_old_child) on <var27:nullable AAnnotations> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var27,var_other) on <var27:nullable AAnnotations(AAnnotations)> */
+var33 = var27 == var_other;
+var31 = var33;
+goto RET_LABEL32;
+RET_LABEL32:(void)0;
+}
+}
+var29 = var31;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
+}
+var28 = var29;
+}
+if (var28){
 /* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
+cltype35 = type_nullable__nitc__AAnnotations.color;
+idtype36 = type_nullable__nitc__AAnnotations.id;
 if(var_new_child == NULL) {
-var14 = 1;
+var34 = 1;
 } else {
-if(cltype15 >= var_new_child->type->table_size) {
-var14 = 0;
+if(cltype35 >= var_new_child->type->table_size) {
+var34 = 0;
 } else {
-var14 = var_new_child->type->type_table[cltype15] == idtype16;
+var34 = var_new_child->type->type_table[cltype35] == idtype36;
 }
 }
-if (unlikely(!var14)) {
-var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6710);
+if (unlikely(!var34)) {
+var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name37);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6734);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AFloatExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AFloatExpr#n_annotations= on <self:AFloatExpr>*/
+nitc__parser_prod___AParExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_annotations= on <self:AParExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AFloatExpr#n_float= for (self: AFloatExpr, TFloat) */
-void nit__parser_prod___AFloatExpr___n_float_61d(val* self, val* p0) {
-val* var_node /* var node: TFloat */;
+/* method parser_prod#AParExpr#n_opar= for (self: AParExpr, TOpar) */
+void nitc__parser_prod___AParExpr___n_opar_61d(val* self, val* p0) {
+val* var_node /* var node: TOpar */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AFloatExpr___n_float].val = var_node; /* _n_float on <self:AFloatExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_opar].val = var_node; /* _n_opar on <self:AParExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TFloat> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TFloat> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TOpar> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TOpar> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AFloatExpr#n_annotations= for (self: AFloatExpr, nullable AAnnotations) */
-void nit__parser_prod___AFloatExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+/* method parser_prod#AParExpr#n_expr= for (self: AParExpr, AExpr) */
+void nitc__parser_prod___AParExpr___n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_expr].val = var_node; /* _n_expr on <self:AParExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AParExpr#n_cpar= for (self: AParExpr, TCpar) */
+void nitc__parser_prod___AParExpr___n_cpar_61d(val* self, val* p0) {
+val* var_node /* var node: TCpar */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_cpar].val = var_node; /* _n_cpar on <self:AParExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TCpar> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TCpar> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AParExpr#n_annotations= for (self: AParExpr, nullable AAnnotations) */
+void nitc__parser_prod___AParExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
 val* var_node /* var node: nullable AAnnotations */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -2588,7 +2717,7 @@ val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AFloatExpr> */
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AParExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
@@ -2598,7 +2727,7 @@ if (0) {
 { /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -2610,7 +2739,7 @@ var = var1;
 if (var){
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -2618,705 +2747,199 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AFloatExpr#visit_all for (self: AFloatExpr, Visitor) */
-void nit__parser_prod___AFloatExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AParExpr#visit_all for (self: AParExpr, Visitor) */
+void nitc__parser_prod___AParExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TFloat */;
-val* var1 /* : nullable AAnnotations */;
+val* var /* : TOpar */;
+val* var1 /* : AExpr */;
+val* var2 /* : TCpar */;
+val* var3 /* : nullable AAnnotations */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AFloatExpr___n_float].val; /* _n_float on <self:AFloatExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_opar].val; /* _n_opar on <self:AParExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_float");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6729);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6763);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_expr].val; /* _n_expr on <self:AParExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6764);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var2 = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_cpar].val; /* _n_cpar on <self:AParExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6765);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AFloatExpr> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AParExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ACharExpr#init_acharexpr for (self: ACharExpr, nullable TChar, nullable AAnnotations) */
-void nit__parser_prod___ACharExpr___init_acharexpr(val* self, val* p0, val* p1) {
-val* var_n_char /* var n_char: nullable TChar */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
+/* method parser_prod#AAsCastExpr#init_aascastexpr for (self: AAsCastExpr, nullable AExpr, nullable TKwas, nullable TOpar, nullable AType, nullable TCpar) */
+void nitc__parser_prod___AAsCastExpr___init_aascastexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_kwas /* var n_kwas: nullable TKwas */;
+val* var_n_opar /* var n_opar: nullable TOpar */;
+val* var_n_type /* var n_type: nullable AType */;
+val* var_n_cpar /* var n_cpar: nullable TCpar */;
 short int var /* : Bool */;
-short int var3 /* : Bool */;
+short int var4 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
 short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+short int var10 /* : Bool */;
+short int var11 /* : Bool */;
+short int var13 /* : Bool */;
+short int var14 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ACharExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AAsCastExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_char = p0;
-var_n_annotations = p1;
-if (unlikely(var_n_char == NULL)) {
+var_n_expr = p0;
+var_n_kwas = p1;
+var_n_opar = p2;
+var_n_type = p3;
+var_n_cpar = p4;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6739);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6778);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ACharExpr___n_char].val = var_n_char; /* _n_char on <self:ACharExpr> */
-if (var_n_char == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val = var_n_expr; /* _n_expr on <self:AAsCastExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6740);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6779);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_char,self) on <var_n_char:nullable TChar> */
-if (unlikely(var_n_char == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_char->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_char:nullable TChar> */
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ACharExpr> */
-if (var_n_annotations == NULL) {
+if (unlikely(var_n_kwas == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6780);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val = var_n_kwas; /* _n_kwas on <self:AAsCastExpr> */
+if (var_n_kwas == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6781);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwas,self) on <var_n_kwas:nullable TKwas> */
+if (unlikely(var_n_kwas == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_kwas->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwas:nullable TKwas> */
+RET_LABEL3:(void)0;
+}
+}
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val = var_n_opar; /* _n_opar on <self:AAsCastExpr> */
+if (var_n_opar == NULL) {
 var = 0; /* is null */
 } else {
 var = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
+{ /* Inline kernel#Object#!= (var_n_opar,((val*)NULL)) on <var_n_opar:nullable TOpar> */
 var_other = ((val*)NULL);
 {
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var6 = ((short int(*)(val* self, val* p0))(var_n_opar->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_opar, var_other); /* == on <var_n_opar:nullable TOpar(TOpar)>*/
 }
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var7 = !var6;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
-var = var3;
+var = var4;
 }
 if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar(TOpar)> */
+var_n_opar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar(TOpar)> */
+RET_LABEL8:(void)0;
 }
 }
 } else {
 }
-RET_LABEL:;
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6784);
+fatal_exit(1);
 }
-/* method parser_prod#ACharExpr#replace_child for (self: ACharExpr, ANode, nullable ANode) */
-void nit__parser_prod___ACharExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TChar */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-val* var7 /* : nullable AAnnotations */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
-const char* var_class_name17;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ACharExpr___n_char].val; /* _n_char on <self:ACharExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_char");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6747);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TChar> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TChar> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-}
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-}
-if (var1){
-/* <var_new_child:nullable ANode> isa TChar */
-cltype = type_nit__TChar.color;
-idtype = type_nit__TChar.id;
-if(var_new_child == NULL) {
-var6 = 0;
-} else {
-if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
-} else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
-}
-}
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TChar", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6748);
-fatal_exit(1);
-}
-{
-nit__parser_prod___ACharExpr___n_char_61d(self, var_new_child); /* Direct call parser_prod#ACharExpr#n_char= on <self:ACharExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ACharExpr> */
-if (var7 == NULL) {
-var8 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable AAnnotations> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable AAnnotations(AAnnotations)> */
-var13 = var7 == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-}
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
-}
-var8 = var9;
-}
-if (var8){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
-if(var_new_child == NULL) {
-var14 = 1;
-} else {
-if(cltype15 >= var_new_child->type->table_size) {
-var14 = 0;
-} else {
-var14 = var_new_child->type->type_table[cltype15] == idtype16;
-}
-}
-if (unlikely(!var14)) {
-var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6752);
-fatal_exit(1);
-}
-{
-nit__parser_prod___ACharExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ACharExpr#n_annotations= on <self:ACharExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ACharExpr#n_char= for (self: ACharExpr, TChar) */
-void nit__parser_prod___ACharExpr___n_char_61d(val* self, val* p0) {
-val* var_node /* var node: TChar */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ACharExpr___n_char].val = var_node; /* _n_char on <self:ACharExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TChar> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TChar> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#ACharExpr#n_annotations= for (self: ACharExpr, nullable AAnnotations) */
-void nit__parser_prod___ACharExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ACharExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
-}
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-var = var1;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
-RET_LABEL5:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ACharExpr#visit_all for (self: ACharExpr, Visitor) */
-void nit__parser_prod___ACharExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TChar */;
-val* var1 /* : nullable AAnnotations */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ACharExpr___n_char].val; /* _n_char on <self:ACharExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_char");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6771);
-fatal_exit(1);
-}
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ACharExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStringExpr#init_astringexpr for (self: AStringExpr, nullable TString, nullable AAnnotations) */
-void nit__parser_prod___AStringExpr___init_astringexpr(val* self, val* p0, val* p1) {
-val* var_n_string /* var n_string: nullable TString */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-{
-{ /* Inline kernel#Object#init (self) on <self:AStringExpr> */
-RET_LABEL1:(void)0;
-}
-}
-var_n_string = p0;
-var_n_annotations = p1;
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6781);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AStringExpr> */
-if (var_n_string == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6782);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TString> */
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_string->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TString> */
-RET_LABEL2:(void)0;
-}
-}
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AStringExpr> */
-if (var_n_annotations == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var5 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
-}
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var = var3;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStringExpr#replace_child for (self: AStringExpr, ANode, nullable ANode) */
-void nit__parser_prod___AStringExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-val* var7 /* : nullable AAnnotations */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
-const char* var_class_name17;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6789);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-}
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-}
-if (var1){
-/* <var_new_child:nullable ANode> isa TString */
-cltype = type_nit__TString.color;
-idtype = type_nit__TString.id;
-if(var_new_child == NULL) {
-var6 = 0;
-} else {
-if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
-} else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
-}
-}
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TString", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6790);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AStringExpr#n_string= on <self:AStringExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var7 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AStringExpr> */
-if (var7 == NULL) {
-var8 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable AAnnotations> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable AAnnotations(AAnnotations)> */
-var13 = var7 == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-}
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
-}
-var8 = var9;
-}
-if (var8){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype15 = type_nullable__nit__AAnnotations.color;
-idtype16 = type_nullable__nit__AAnnotations.id;
-if(var_new_child == NULL) {
-var14 = 1;
-} else {
-if(cltype15 >= var_new_child->type->table_size) {
-var14 = 0;
-} else {
-var14 = var_new_child->type->type_table[cltype15] == idtype16;
-}
-}
-if (unlikely(!var14)) {
-var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6794);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AStringExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AStringExpr#n_annotations= on <self:AStringExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStringExpr#n_string= for (self: AStringExpr, Token) */
-void nit__parser_prod___AStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AStringExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStringExpr#n_annotations= for (self: AStringExpr, nullable AAnnotations) */
-void nit__parser_prod___AStringExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AStringExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
-}
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-var = var1;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
-RET_LABEL5:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStringExpr#visit_all for (self: AStringExpr, Visitor) */
-void nit__parser_prod___AStringExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : Token */;
-val* var1 /* : nullable AAnnotations */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6813);
-fatal_exit(1);
-}
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AStringExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStartStringExpr#init_astartstringexpr for (self: AStartStringExpr, nullable TStartString) */
-void nit__parser_prod___AStartStringExpr___init_astartstringexpr(val* self, val* p0) {
-val* var_n_string /* var n_string: nullable TStartString */;
-{
-{ /* Inline kernel#Object#init (self) on <self:AStartStringExpr> */
-RET_LABEL1:(void)0;
-}
-}
-var_n_string = p0;
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6822);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AStartStringExpr> */
-if (var_n_string == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6823);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TStartString> */
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_string->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TStartString> */
-RET_LABEL2:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AStartStringExpr#replace_child for (self: AStartStringExpr, ANode, nullable ANode) */
-void nit__parser_prod___AStartStringExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStartStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6828);
+self->attrs[COLOR_nitc__parser_nodes__AAsCastExpr___n_type].val = var_n_type; /* _n_type on <self:AAsCastExpr> */
+if (var_n_type == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6785);
 fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-}
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-}
-if (var1){
-/* <var_new_child:nullable ANode> isa TStartString */
-cltype = type_nit__TStartString.color;
-idtype = type_nit__TStartString.id;
-if(var_new_child == NULL) {
-var6 = 0;
-} else {
-if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
 } else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
-}
-}
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TStartString", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6829);
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-{
-nit__parser_prod___AStartStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AStartStringExpr#n_string= on <self:AStartStringExpr>*/
+var_n_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
+RET_LABEL9:(void)0;
 }
-goto RET_LABEL;
-} else {
 }
-RET_LABEL:;
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AAsCastExpr> */
+if (var_n_cpar == NULL) {
+var10 = 0; /* is null */
+} else {
+var10 = 1; /* arg is null and recv is not */
 }
-/* method parser_prod#AStartStringExpr#n_string= for (self: AStartStringExpr, Token) */
-void nit__parser_prod___AStartStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AStartStringExpr> */
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_cpar,((val*)NULL)) on <var_n_cpar:nullable TCpar> */
+var_other = ((val*)NULL);
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
-RET_LABEL1:(void)0;
-}
+var13 = ((short int(*)(val* self, val* p0))(var_n_cpar->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_cpar, var_other); /* == on <var_n_cpar:nullable TCpar(TCpar)>*/
 }
-RET_LABEL:;
-}
-/* method parser_prod#AStartStringExpr#visit_all for (self: AStartStringExpr, Visitor) */
-void nit__parser_prod___AStartStringExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : Token */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AStartStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6843);
-fatal_exit(1);
-}
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+var14 = !var13;
+var11 = var14;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
 }
-RET_LABEL:;
+var10 = var11;
 }
-/* method parser_prod#AMidStringExpr#init_amidstringexpr for (self: AMidStringExpr, nullable TMidString) */
-void nit__parser_prod___AMidStringExpr___init_amidstringexpr(val* self, val* p0) {
-val* var_n_string /* var n_string: nullable TMidString */;
+if (var10){
 {
-{ /* Inline kernel#Object#init (self) on <self:AMidStringExpr> */
-RET_LABEL1:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar(TCpar)> */
+var_n_cpar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar(TCpar)> */
+RET_LABEL15:(void)0;
 }
-var_n_string = p0;
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6851);
-fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AMidStringExpr> */
-if (var_n_string == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6852);
-fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TMidString> */
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_string->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TMidString> */
-RET_LABEL2:(void)0;
-}
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMidStringExpr#replace_child for (self: AMidStringExpr, ANode, nullable ANode) */
-void nit__parser_prod___AMidStringExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAsCastExpr#replace_child for (self: AAsCastExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -3325,19 +2948,53 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var7 /* : TKwas */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+const char* var_class_name16;
+val* var17 /* : nullable TOpar */;
+short int var18 /* : Bool */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+val* var28 /* : AType */;
+short int var29 /* : Bool */;
+short int var31 /* : Bool */;
+short int var33 /* : Bool */;
+short int var34 /* : Bool */;
+int cltype35;
+int idtype36;
+const char* var_class_name37;
+val* var38 /* : nullable TCpar */;
+short int var39 /* : Bool */;
+short int var40 /* : Bool */;
+short int var42 /* : Bool */;
+short int var44 /* : Bool */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+const char* var_class_name48;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AMidStringExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsCastExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6857);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6792);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -3350,9 +3007,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TMidString */
-cltype = type_nit__TMidString.color;
-idtype = type_nit__TMidString.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_nitc__AExpr.color;
+idtype = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -3364,340 +3021,300 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TMidString", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6858);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6793);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AMidStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AMidStringExpr#n_string= on <self:AMidStringExpr>*/
+nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_expr= on <self:AAsCastExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
-}
-/* method parser_prod#AMidStringExpr#n_string= for (self: AMidStringExpr, Token) */
-void nit__parser_prod___AMidStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AMidStringExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AMidStringExpr#visit_all for (self: AMidStringExpr, Visitor) */
-void nit__parser_prod___AMidStringExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : Token */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AMidStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6872);
+var7 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsCastExpr> */
+if (unlikely(var7 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6796);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-RET_LABEL:;
-}
-/* method parser_prod#AEndStringExpr#init_aendstringexpr for (self: AEndStringExpr, nullable TEndString) */
-void nit__parser_prod___AEndStringExpr___init_aendstringexpr(val* self, val* p0) {
-val* var_n_string /* var n_string: nullable TEndString */;
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TKwas> */
+var_other = var_old_child;
 {
-{ /* Inline kernel#Object#init (self) on <self:AEndStringExpr> */
-RET_LABEL1:(void)0;
-}
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TKwas> */
+var12 = var7 == var_other;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-var_n_string = p0;
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6880);
-fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_n_string; /* _n_string on <self:AEndStringExpr> */
-if (var_n_string == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6881);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_string,self) on <var_n_string:nullable TEndString> */
-if (unlikely(var_n_string == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
-var_n_string->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_string:nullable TEndString> */
-RET_LABEL2:(void)0;
 }
+if (var8){
+/* <var_new_child:nullable ANode> isa TKwas */
+cltype14 = type_nitc__TKwas.color;
+idtype15 = type_nitc__TKwas.id;
+if(var_new_child == NULL) {
+var13 = 0;
+} else {
+if(cltype14 >= var_new_child->type->table_size) {
+var13 = 0;
+} else {
+var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
-RET_LABEL:;
 }
-/* method parser_prod#AEndStringExpr#replace_child for (self: AEndStringExpr, ANode, nullable ANode) */
-void nit__parser_prod___AEndStringExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AEndStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6886);
+if (unlikely(!var13)) {
+var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwas", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6797);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_kwas_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_kwas= on <self:AAsCastExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var17 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsCastExpr> */
+if (var17 == NULL) {
+var18 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:nullable TOpar> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:nullable TOpar(TOpar)> */
+var23 = var17 == var_other;
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
 }
 }
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
 }
+var18 = var19;
 }
-if (var1){
-/* <var_new_child:nullable ANode> isa TEndString */
-cltype = type_nit__TEndString.color;
-idtype = type_nit__TEndString.id;
+if (var18){
+/* <var_new_child:nullable ANode> isa nullable TOpar */
+cltype25 = type_nullable__nitc__TOpar.color;
+idtype26 = type_nullable__nitc__TOpar.id;
 if(var_new_child == NULL) {
-var6 = 0;
+var24 = 1;
 } else {
-if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
+if(cltype25 >= var_new_child->type->table_size) {
+var24 = 0;
 } else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
+var24 = var_new_child->type->type_table[cltype25] == idtype26;
 }
 }
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TEndString", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6887);
+if (unlikely(!var24)) {
+var_class_name27 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TOpar", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6801);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AEndStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(self, var_new_child); /* Direct call parser_prod#AEndStringExpr#n_string= on <self:AEndStringExpr>*/
+nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_opar_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_opar= on <self:AAsCastExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
+var28 = self->attrs[COLOR_nitc__parser_nodes__AAsCastExpr___n_type].val; /* _n_type on <self:AAsCastExpr> */
+if (unlikely(var28 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6804);
+fatal_exit(1);
 }
-/* method parser_prod#AEndStringExpr#n_string= for (self: AEndStringExpr, Token) */
-void nit__parser_prod___AEndStringExpr___nit__parser_nodes__AStringFormExpr__n_string_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val = var_node; /* _n_string on <self:AEndStringExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
-RET_LABEL1:(void)0;
+{ /* Inline kernel#Object#== (var28,var_old_child) on <var28:AType> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var28,var_other) on <var28:AType> */
+var33 = var28 == var_other;
+var31 = var33;
+goto RET_LABEL32;
+RET_LABEL32:(void)0;
 }
 }
-RET_LABEL:;
+var29 = var31;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
 }
-/* method parser_prod#AEndStringExpr#visit_all for (self: AEndStringExpr, Visitor) */
-void nit__parser_prod___AEndStringExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : Token */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AStringFormExpr___n_string].val; /* _n_string on <self:AEndStringExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_string");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6901);
-fatal_exit(1);
 }
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+if (var29){
+/* <var_new_child:nullable ANode> isa AType */
+cltype35 = type_nitc__AType.color;
+idtype36 = type_nitc__AType.id;
+if(var_new_child == NULL) {
+var34 = 0;
+} else {
+if(cltype35 >= var_new_child->type->table_size) {
+var34 = 0;
+} else {
+var34 = var_new_child->type->type_table[cltype35] == idtype36;
 }
-RET_LABEL:;
 }
-/* method parser_prod#ASuperstringExpr#init_asuperstringexpr for (self: ASuperstringExpr, Collection[Object], nullable AAnnotations) */
-void nit__parser_prod___ASuperstringExpr___init_asuperstringexpr(val* self, val* p0, val* p1) {
-val* var_n_exprs /* var n_exprs: Collection[Object] */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-val* var /* : ANodes[AExpr] */;
-val* var3 /* : ANodes[AExpr] */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
+if (unlikely(!var34)) {
+var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name37);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6805);
+fatal_exit(1);
+}
 {
-{ /* Inline kernel#Object#init (self) on <self:ASuperstringExpr> */
-RET_LABEL1:(void)0;
+nitc__parser_prod___AAsCastExpr___n_type_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_type= on <self:AAsCastExpr>*/
 }
+goto RET_LABEL;
+} else {
 }
-var_n_exprs = p0;
-var_n_annotations = p1;
+var38 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsCastExpr> */
+if (var38 == NULL) {
+var39 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var38,var_old_child) on <var38:nullable TCpar> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#ASuperstringExpr#n_exprs (self) on <self:ASuperstringExpr> */
-var3 = self->attrs[COLOR_nit__parser_nodes__ASuperstringExpr___n_exprs].val; /* _n_exprs on <self:ASuperstringExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2626);
-fatal_exit(1);
+{ /* Inline kernel#Object#is_same_instance (var38,var_other) on <var38:nullable TCpar(TCpar)> */
+var44 = var38 == var_other;
+var42 = var44;
+goto RET_LABEL43;
+RET_LABEL43:(void)0;
 }
-var = var3;
-RET_LABEL2:(void)0;
 }
+var40 = var42;
+goto RET_LABEL41;
+RET_LABEL41:(void)0;
 }
-{
-nit___nit__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
+var39 = var40;
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:ASuperstringExpr> */
-if (var_n_annotations == NULL) {
-var4 = 0; /* is null */
+if (var39){
+/* <var_new_child:nullable ANode> isa nullable TCpar */
+cltype46 = type_nullable__nitc__TCpar.color;
+idtype47 = type_nullable__nitc__TCpar.id;
+if(var_new_child == NULL) {
+var45 = 1;
 } else {
-var4 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
-var_other = ((val*)NULL);
-{
-var7 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+if(cltype46 >= var_new_child->type->table_size) {
+var45 = 0;
+} else {
+var45 = var_new_child->type->type_table[cltype46] == idtype47;
 }
-var8 = !var7;
-var5 = var8;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
 }
-var4 = var5;
+if (unlikely(!var45)) {
+var_class_name48 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TCpar", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6809);
+fatal_exit(1);
 }
-if (var4){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL9:(void)0;
-}
+nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_cpar= on <self:AAsCastExpr>*/
 }
+goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASuperstringExpr#replace_child for (self: ASuperstringExpr, ANode, nullable ANode) */
-void nit__parser_prod___ASuperstringExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable AAnnotations */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var8 /* : Bool */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-var_old_child = p0;
-var_new_child = p1;
+/* method parser_prod#AAsCastExpr#n_expr= for (self: AAsCastExpr, AExpr) */
+void nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val = var_node; /* _n_expr on <self:AAsCastExpr> */
 {
-{ /* Inline parser_nodes#ASuperstringExpr#n_exprs (self) on <self:ASuperstringExpr> */
-var2 = self->attrs[COLOR_nit__parser_nodes__ASuperstringExpr___n_exprs].val; /* _n_exprs on <self:ASuperstringExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2626);
-fatal_exit(1);
-}
-var = var2;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
+RET_LABEL:;
+}
+/* method parser_prod#AAsCastExpr#n_kwas= for (self: AAsCastExpr, TKwas) */
+void nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_kwas_61d(val* self, val* p0) {
+val* var_node /* var node: TKwas */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val = var_node; /* _n_kwas on <self:AAsCastExpr> */
 {
-var3 = nit___nit__ANodes___replace_child(var, var_old_child, var_new_child);
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwas> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwas> */
+RET_LABEL1:(void)0;
 }
-if (var3){
-goto RET_LABEL;
-} else {
 }
-var4 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ASuperstringExpr> */
-if (var4 == NULL) {
-var5 = 0; /* <var_old_child:ANode> cannot be null */
+RET_LABEL:;
+}
+/* method parser_prod#AAsCastExpr#n_opar= for (self: AAsCastExpr, nullable TOpar) */
+void nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_opar_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TOpar */;
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var3 /* : Bool */;
+short int var4 /* : Bool */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val = var_node; /* _n_opar on <self:AAsCastExpr> */
+if (var_node == NULL) {
+var = 0; /* is null */
 } else {
-{ /* Inline kernel#Object#== (var4,var_old_child) on <var4:nullable AAnnotations> */
-var_other = var_old_child;
+var = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TOpar> */
+var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var4,var_other) on <var4:nullable AAnnotations(AAnnotations)> */
-var10 = var4 == var_other;
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TOpar(TOpar)>*/
 }
+var4 = !var3;
+var1 = var4;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
 }
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var = var1;
 }
-var5 = var6;
+if (var){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TOpar(TOpar)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TOpar(TOpar)> */
+RET_LABEL5:(void)0;
 }
-if (var5){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype = type_nullable__nit__AAnnotations.color;
-idtype = type_nullable__nit__AAnnotations.id;
-if(var_new_child == NULL) {
-var11 = 1;
-} else {
-if(cltype >= var_new_child->type->table_size) {
-var11 = 0;
-} else {
-var11 = var_new_child->type->type_table[cltype] == idtype;
 }
+} else {
 }
-if (unlikely(!var11)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6919);
-fatal_exit(1);
+RET_LABEL:;
 }
+/* method parser_prod#AAsCastExpr#n_type= for (self: AAsCastExpr, AType) */
+void nitc__parser_prod___AAsCastExpr___n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAsCastExpr___n_type].val = var_node; /* _n_type on <self:AAsCastExpr> */
 {
-nit__parser_prod___ASuperstringExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#ASuperstringExpr#n_annotations= on <self:ASuperstringExpr>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
 }
-goto RET_LABEL;
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASuperstringExpr#n_annotations= for (self: ASuperstringExpr, nullable AAnnotations) */
-void nit__parser_prod___ASuperstringExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
+/* method parser_prod#AAsCastExpr#n_cpar= for (self: AAsCastExpr, nullable TCpar) */
+void nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__AAsCastForm__n_cpar_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TCpar */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:ASuperstringExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val = var_node; /* _n_cpar on <self:AAsCastExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
 var = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TCpar> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TCpar(TCpar)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -3708,8 +3325,8 @@ var = var1;
 }
 if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TCpar(TCpar)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TCpar(TCpar)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -3717,152 +3334,227 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASuperstringExpr#visit_all for (self: ASuperstringExpr, Visitor) */
-void nit__parser_prod___ASuperstringExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AAsCastExpr#visit_all for (self: AAsCastExpr, Visitor) */
+void nitc__parser_prod___AAsCastExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-val* var3 /* : nullable AAnnotations */;
+val* var /* : AExpr */;
+val* var1 /* : TKwas */;
+val* var2 /* : nullable TOpar */;
+val* var3 /* : AType */;
+val* var4 /* : nullable TCpar */;
 var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsCastExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6843);
+fatal_exit(1);
+}
 {
-{ /* Inline parser_nodes#ASuperstringExpr#n_exprs (self) on <self:ASuperstringExpr> */
-var2 = self->attrs[COLOR_nit__parser_nodes__ASuperstringExpr___n_exprs].val; /* _n_exprs on <self:ASuperstringExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2626);
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsCastExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6844);
 fatal_exit(1);
 }
-var = var2;
-RET_LABEL1:(void)0;
+{
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var2 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsCastExpr> */
+{
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_nitc__parser_nodes__AAsCastExpr___n_type].val; /* _n_type on <self:AAsCastExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6846);
+fatal_exit(1);
 }
 {
-nit___nit__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var3 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:ASuperstringExpr> */
+var4 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsCastExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#init_aparexpr for (self: AParExpr, nullable TOpar, nullable AExpr, nullable TCpar, nullable AAnnotations) */
-void nit__parser_prod___AParExpr___init_aparexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
-val* var_n_opar /* var n_opar: nullable TOpar */;
+/* method parser_prod#AAsNotnullExpr#init_aasnotnullexpr for (self: AAsNotnullExpr, nullable AExpr, nullable TKwas, nullable TOpar, nullable TKwnot, nullable TKwnull, nullable TCpar) */
+void nitc__parser_prod___AAsNotnullExpr___init_aasnotnullexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_kwas /* var n_kwas: nullable TKwas */;
+val* var_n_opar /* var n_opar: nullable TOpar */;
+val* var_n_kwnot /* var n_kwnot: nullable TKwnot */;
+val* var_n_kwnull /* var n_kwnull: nullable TKwnull */;
 val* var_n_cpar /* var n_cpar: nullable TCpar */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 short int var /* : Bool */;
-short int var5 /* : Bool */;
+short int var4 /* : Bool */;
 val* var_other /* var other: nullable Object */;
+short int var6 /* : Bool */;
 short int var7 /* : Bool */;
-short int var8 /* : Bool */;
+short int var11 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AParExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AAsNotnullExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_opar = p0;
-var_n_expr = p1;
-var_n_cpar = p2;
-var_n_annotations = p3;
-if (unlikely(var_n_opar == NULL)) {
+var_n_expr = p0;
+var_n_kwas = p1;
+var_n_opar = p2;
+var_n_kwnot = p3;
+var_n_kwnull = p4;
+var_n_cpar = p5;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6945);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6860);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AParExpr___n_opar].val = var_n_opar; /* _n_opar on <self:AParExpr> */
-if (var_n_opar == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val = var_n_expr; /* _n_expr on <self:AAsNotnullExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6946);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6861);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar> */
-if (unlikely(var_n_opar == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_opar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar> */
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_expr == NULL)) {
+if (unlikely(var_n_kwas == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6947);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6862);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AParExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AParExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val = var_n_kwas; /* _n_kwas on <self:AAsNotnullExpr> */
+if (var_n_kwas == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6948);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6863);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwas,self) on <var_n_kwas:nullable TKwas> */
+if (unlikely(var_n_kwas == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_kwas->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwas:nullable TKwas> */
 RET_LABEL3:(void)0;
 }
 }
-if (unlikely(var_n_cpar == NULL)) {
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val = var_n_opar; /* _n_opar on <self:AAsNotnullExpr> */
+if (var_n_opar == NULL) {
+var = 0; /* is null */
+} else {
+var = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_opar,((val*)NULL)) on <var_n_opar:nullable TOpar> */
+var_other = ((val*)NULL);
+{
+var6 = ((short int(*)(val* self, val* p0))(var_n_opar->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_opar, var_other); /* == on <var_n_opar:nullable TOpar(TOpar)>*/
+}
+var7 = !var6;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+var = var4;
+}
+if (var){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar(TOpar)> */
+var_n_opar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar(TOpar)> */
+RET_LABEL8:(void)0;
+}
+}
+} else {
+}
+if (unlikely(var_n_kwnot == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6949);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6866);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AParExpr___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AParExpr> */
-if (var_n_cpar == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnot].val = var_n_kwnot; /* _n_kwnot on <self:AAsNotnullExpr> */
+if (var_n_kwnot == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6950);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6867);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar> */
-if (unlikely(var_n_cpar == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwnot,self) on <var_n_kwnot:nullable TKwnot> */
+if (unlikely(var_n_kwnot == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_cpar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar> */
-RET_LABEL4:(void)0;
+var_n_kwnot->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnot:nullable TKwnot> */
+RET_LABEL9:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AParExpr> */
-if (var_n_annotations == NULL) {
-var = 0; /* is null */
+if (unlikely(var_n_kwnull == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6868);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnull].val = var_n_kwnull; /* _n_kwnull on <self:AAsNotnullExpr> */
+if (var_n_kwnull == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6869);
+fatal_exit(1);
 } else {
-var = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwnull,self) on <var_n_kwnull:nullable TKwnull> */
+if (unlikely(var_n_kwnull == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_kwnull->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnull:nullable TKwnull> */
+RET_LABEL10:(void)0;
+}
+}
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AAsNotnullExpr> */
+if (var_n_cpar == NULL) {
+var11 = 0; /* is null */
+} else {
+var11 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,((val*)NULL)) on <var_n_annotations:nullable AAnnotations> */
+{ /* Inline kernel#Object#!= (var_n_cpar,((val*)NULL)) on <var_n_cpar:nullable TCpar> */
 var_other = ((val*)NULL);
 {
-var7 = ((short int(*)(val* self, val* p0))(var_n_annotations->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_annotations, var_other); /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/
+var14 = ((short int(*)(val* self, val* p0))(var_n_cpar->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_cpar, var_other); /* == on <var_n_cpar:nullable TCpar(TCpar)>*/
 }
-var8 = !var7;
-var5 = var8;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
+var15 = !var14;
+var12 = var15;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-var = var5;
+var11 = var12;
 }
-if (var){
+if (var11){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL9:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar(TCpar)> */
+var_n_cpar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar(TCpar)> */
+RET_LABEL16:(void)0;
 }
 }
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#replace_child for (self: AParExpr, ANode, nullable ANode) */
-void nit__parser_prod___AParExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAsNotnullExpr#replace_child for (self: AAsNotnullExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TOpar */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -3871,7 +3563,7 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : AExpr */;
+val* var7 /* : TKwas */;
 short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -3879,16 +3571,16 @@ short int var13 /* : Bool */;
 int cltype14;
 int idtype15;
 const char* var_class_name16;
-val* var17 /* : TCpar */;
+val* var17 /* : nullable TOpar */;
 short int var18 /* : Bool */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
 short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-const char* var_class_name26;
-val* var27 /* : nullable AAnnotations */;
-short int var28 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+val* var28 /* : TKwnot */;
 short int var29 /* : Bool */;
 short int var31 /* : Bool */;
 short int var33 /* : Bool */;
@@ -3896,19 +3588,36 @@ short int var34 /* : Bool */;
 int cltype35;
 int idtype36;
 const char* var_class_name37;
+val* var38 /* : TKwnull */;
+short int var39 /* : Bool */;
+short int var41 /* : Bool */;
+short int var43 /* : Bool */;
+short int var44 /* : Bool */;
+int cltype45;
+int idtype46;
+const char* var_class_name47;
+val* var48 /* : nullable TCpar */;
+short int var49 /* : Bool */;
+short int var50 /* : Bool */;
+short int var52 /* : Bool */;
+short int var54 /* : Bool */;
+short int var55 /* : Bool */;
+int cltype56;
+int idtype57;
+const char* var_class_name58;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AParExpr___n_opar].val; /* _n_opar on <self:AParExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsNotnullExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6957);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6876);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TOpar> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TOpar> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -3921,230 +3630,374 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TOpar */
-cltype = type_nit__TOpar.color;
-idtype = type_nit__TOpar.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_nitc__AExpr.color;
+idtype = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
 var6 = 0;
 } else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
+var6 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6877);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_expr= on <self:AAsNotnullExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var7 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsNotnullExpr> */
+if (unlikely(var7 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6880);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TKwas> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TKwas> */
+var12 = var7 == var_other;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+}
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+if (var8){
+/* <var_new_child:nullable ANode> isa TKwas */
+cltype14 = type_nitc__TKwas.color;
+idtype15 = type_nitc__TKwas.id;
+if(var_new_child == NULL) {
+var13 = 0;
+} else {
+if(cltype14 >= var_new_child->type->table_size) {
+var13 = 0;
+} else {
+var13 = var_new_child->type->type_table[cltype14] == idtype15;
+}
+}
+if (unlikely(!var13)) {
+var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwas", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6881);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_kwas_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_kwas= on <self:AAsNotnullExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var17 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsNotnullExpr> */
+if (var17 == NULL) {
+var18 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:nullable TOpar> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:nullable TOpar(TOpar)> */
+var23 = var17 == var_other;
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
+}
+}
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
+var18 = var19;
+}
+if (var18){
+/* <var_new_child:nullable ANode> isa nullable TOpar */
+cltype25 = type_nullable__nitc__TOpar.color;
+idtype26 = type_nullable__nitc__TOpar.id;
+if(var_new_child == NULL) {
+var24 = 1;
+} else {
+if(cltype25 >= var_new_child->type->table_size) {
+var24 = 0;
+} else {
+var24 = var_new_child->type->type_table[cltype25] == idtype26;
 }
 }
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TOpar", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6958);
+if (unlikely(!var24)) {
+var_class_name27 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TOpar", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6885);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AParExpr___n_opar_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_opar= on <self:AParExpr>*/
+nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_opar_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_opar= on <self:AAsNotnullExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__AParExpr___n_expr].val; /* _n_expr on <self:AParExpr> */
-if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6961);
+var28 = self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnot].val; /* _n_kwnot on <self:AAsNotnullExpr> */
+if (unlikely(var28 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6888);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:AExpr> */
+{ /* Inline kernel#Object#== (var28,var_old_child) on <var28:TKwnot> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:AExpr> */
-var12 = var7 == var_other;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var28,var_other) on <var28:TKwnot> */
+var33 = var28 == var_other;
+var31 = var33;
+goto RET_LABEL32;
+RET_LABEL32:(void)0;
 }
 }
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var29 = var31;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
 }
 }
-if (var8){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype14 = type_nit__AExpr.color;
-idtype15 = type_nit__AExpr.id;
+if (var29){
+/* <var_new_child:nullable ANode> isa TKwnot */
+cltype35 = type_nitc__TKwnot.color;
+idtype36 = type_nitc__TKwnot.id;
 if(var_new_child == NULL) {
-var13 = 0;
+var34 = 0;
 } else {
-if(cltype14 >= var_new_child->type->table_size) {
-var13 = 0;
+if(cltype35 >= var_new_child->type->table_size) {
+var34 = 0;
 } else {
-var13 = var_new_child->type->type_table[cltype14] == idtype15;
+var34 = var_new_child->type->type_table[cltype35] == idtype36;
 }
 }
-if (unlikely(!var13)) {
-var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6962);
+if (unlikely(!var34)) {
+var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnot", var_class_name37);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6889);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AParExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_expr= on <self:AParExpr>*/
+nitc__parser_prod___AAsNotnullExpr___n_kwnot_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_kwnot= on <self:AAsNotnullExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var17 = self->attrs[COLOR_nit__parser_nodes__AParExpr___n_cpar].val; /* _n_cpar on <self:AParExpr> */
-if (unlikely(var17 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6965);
+var38 = self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnull].val; /* _n_kwnull on <self:AAsNotnullExpr> */
+if (unlikely(var38 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6892);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:TCpar> */
+{ /* Inline kernel#Object#== (var38,var_old_child) on <var38:TKwnull> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:TCpar> */
-var22 = var17 == var_other;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var38,var_other) on <var38:TKwnull> */
+var43 = var38 == var_other;
+var41 = var43;
+goto RET_LABEL42;
+RET_LABEL42:(void)0;
 }
 }
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
+var39 = var41;
+goto RET_LABEL40;
+RET_LABEL40:(void)0;
 }
 }
-if (var18){
-/* <var_new_child:nullable ANode> isa TCpar */
-cltype24 = type_nit__TCpar.color;
-idtype25 = type_nit__TCpar.id;
+if (var39){
+/* <var_new_child:nullable ANode> isa TKwnull */
+cltype45 = type_nitc__TKwnull.color;
+idtype46 = type_nitc__TKwnull.id;
 if(var_new_child == NULL) {
-var23 = 0;
+var44 = 0;
 } else {
-if(cltype24 >= var_new_child->type->table_size) {
-var23 = 0;
+if(cltype45 >= var_new_child->type->table_size) {
+var44 = 0;
 } else {
-var23 = var_new_child->type->type_table[cltype24] == idtype25;
+var44 = var_new_child->type->type_table[cltype45] == idtype46;
 }
 }
-if (unlikely(!var23)) {
-var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCpar", var_class_name26);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6966);
+if (unlikely(!var44)) {
+var_class_name47 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnull", var_class_name47);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6893);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AParExpr___n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_cpar= on <self:AParExpr>*/
+nitc__parser_prod___AAsNotnullExpr___n_kwnull_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_kwnull= on <self:AAsNotnullExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var27 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AParExpr> */
-if (var27 == NULL) {
-var28 = 0; /* <var_old_child:ANode> cannot be null */
+var48 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsNotnullExpr> */
+if (var48 == NULL) {
+var49 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
-{ /* Inline kernel#Object#== (var27,var_old_child) on <var27:nullable AAnnotations> */
+{ /* Inline kernel#Object#== (var48,var_old_child) on <var48:nullable TCpar> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var27,var_other) on <var27:nullable AAnnotations(AAnnotations)> */
-var33 = var27 == var_other;
-var31 = var33;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var48,var_other) on <var48:nullable TCpar(TCpar)> */
+var54 = var48 == var_other;
+var52 = var54;
+goto RET_LABEL53;
+RET_LABEL53:(void)0;
 }
 }
-var29 = var31;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
+var50 = var52;
+goto RET_LABEL51;
+RET_LABEL51:(void)0;
 }
-var28 = var29;
+var49 = var50;
 }
-if (var28){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype35 = type_nullable__nit__AAnnotations.color;
-idtype36 = type_nullable__nit__AAnnotations.id;
+if (var49){
+/* <var_new_child:nullable ANode> isa nullable TCpar */
+cltype56 = type_nullable__nitc__TCpar.color;
+idtype57 = type_nullable__nitc__TCpar.id;
 if(var_new_child == NULL) {
-var34 = 1;
+var55 = 1;
 } else {
-if(cltype35 >= var_new_child->type->table_size) {
-var34 = 0;
+if(cltype56 >= var_new_child->type->table_size) {
+var55 = 0;
 } else {
-var34 = var_new_child->type->type_table[cltype35] == idtype36;
+var55 = var_new_child->type->type_table[cltype56] == idtype57;
 }
 }
-if (unlikely(!var34)) {
-var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name37);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6970);
+if (unlikely(!var55)) {
+var_class_name58 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TCpar", var_class_name58);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6897);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AParExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AParExpr#n_annotations= on <self:AParExpr>*/
+nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_cpar= on <self:AAsNotnullExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#n_opar= for (self: AParExpr, TOpar) */
-void nit__parser_prod___AParExpr___n_opar_61d(val* self, val* p0) {
-val* var_node /* var node: TOpar */;
+/* method parser_prod#AAsNotnullExpr#n_expr= for (self: AAsNotnullExpr, AExpr) */
+void nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AParExpr___n_opar].val = var_node; /* _n_opar on <self:AParExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val = var_node; /* _n_expr on <self:AAsNotnullExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TOpar> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TOpar> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#n_expr= for (self: AParExpr, AExpr) */
-void nit__parser_prod___AParExpr___n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
+/* method parser_prod#AAsNotnullExpr#n_kwas= for (self: AAsNotnullExpr, TKwas) */
+void nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_kwas_61d(val* self, val* p0) {
+val* var_node /* var node: TKwas */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AParExpr___n_expr].val = var_node; /* _n_expr on <self:AParExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val = var_node; /* _n_kwas on <self:AAsNotnullExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwas> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwas> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#n_cpar= for (self: AParExpr, TCpar) */
-void nit__parser_prod___AParExpr___n_cpar_61d(val* self, val* p0) {
-val* var_node /* var node: TCpar */;
+/* method parser_prod#AAsNotnullExpr#n_opar= for (self: AAsNotnullExpr, nullable TOpar) */
+void nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_opar_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TOpar */;
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var3 /* : Bool */;
+short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AParExpr___n_cpar].val = var_node; /* _n_cpar on <self:AParExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val = var_node; /* _n_opar on <self:AAsNotnullExpr> */
+if (var_node == NULL) {
+var = 0; /* is null */
+} else {
+var = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TOpar> */
+var_other = ((val*)NULL);
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TCpar> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TCpar> */
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TOpar(TOpar)>*/
+}
+var4 = !var3;
+var1 = var4;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
+}
+var = var1;
+}
+if (var){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TOpar(TOpar)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TOpar(TOpar)> */
+RET_LABEL5:(void)0;
+}
+}
+} else {
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAsNotnullExpr#n_kwnot= for (self: AAsNotnullExpr, TKwnot) */
+void nitc__parser_prod___AAsNotnullExpr___n_kwnot_61d(val* self, val* p0) {
+val* var_node /* var node: TKwnot */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnot].val = var_node; /* _n_kwnot on <self:AAsNotnullExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnot> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnot> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#n_annotations= for (self: AParExpr, nullable AAnnotations) */
-void nit__parser_prod___AParExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
+/* method parser_prod#AAsNotnullExpr#n_kwnull= for (self: AAsNotnullExpr, TKwnull) */
+void nitc__parser_prod___AAsNotnullExpr___n_kwnull_61d(val* self, val* p0) {
+val* var_node /* var node: TKwnull */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnull].val = var_node; /* _n_kwnull on <self:AAsNotnullExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnull> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnull> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAsNotnullExpr#n_cpar= for (self: AAsNotnullExpr, nullable TCpar) */
+void nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__AAsCastForm__n_cpar_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TCpar */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AParExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val = var_node; /* _n_cpar on <self:AAsNotnullExpr> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
 var = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable AAnnotations> */
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TCpar> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable AAnnotations(AAnnotations)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TCpar(TCpar)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -4155,8 +4008,8 @@ var = var1;
 }
 if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TCpar(TCpar)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TCpar(TCpar)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -4164,199 +4017,145 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExpr#visit_all for (self: AParExpr, Visitor) */
-void nit__parser_prod___AParExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AAsNotnullExpr#visit_all for (self: AAsNotnullExpr, Visitor) */
+void nitc__parser_prod___AAsNotnullExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TOpar */;
-val* var1 /* : AExpr */;
-val* var2 /* : TCpar */;
-val* var3 /* : nullable AAnnotations */;
+val* var /* : AExpr */;
+val* var1 /* : TKwas */;
+val* var2 /* : nullable TOpar */;
+val* var3 /* : TKwnot */;
+val* var4 /* : TKwnull */;
+val* var5 /* : nullable TCpar */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AParExpr___n_opar].val; /* _n_opar on <self:AParExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsNotnullExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 6999);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6936);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__AParExpr___n_expr].val; /* _n_expr on <self:AParExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsNotnullExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7000);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6937);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_nit__parser_nodes__AParExpr___n_cpar].val; /* _n_cpar on <self:AParExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7001);
+var2 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsNotnullExpr> */
+{
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnot].val; /* _n_kwnot on <self:AAsNotnullExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6939);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__AAsNotnullExpr___n_kwnull].val; /* _n_kwnull on <self:AAsNotnullExpr> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6940);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var3 = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AParExpr> */
+var5 = self->attrs[COLOR_nitc__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsNotnullExpr> */
 {
-nit___nit__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsCastExpr#init_aascastexpr for (self: AAsCastExpr, nullable AExpr, nullable TKwas, nullable TOpar, nullable AType, nullable TCpar) */
-void nit__parser_prod___AAsCastExpr___init_aascastexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
+/* method parser_prod#AIssetAttrExpr#init_aissetattrexpr for (self: AIssetAttrExpr, nullable TKwisset, nullable AExpr, nullable TAttrid) */
+void nitc__parser_prod___AIssetAttrExpr___init_aissetattrexpr(val* self, val* p0, val* p1, val* p2) {
+val* var_n_kwisset /* var n_kwisset: nullable TKwisset */;
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_kwas /* var n_kwas: nullable TKwas */;
-val* var_n_opar /* var n_opar: nullable TOpar */;
-val* var_n_type /* var n_type: nullable AType */;
-val* var_n_cpar /* var n_cpar: nullable TCpar */;
-short int var /* : Bool */;
-short int var4 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
+val* var_n_id /* var n_id: nullable TAttrid */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AAsCastExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AIssetAttrExpr> */
 RET_LABEL1:(void)0;
-}
-}
-var_n_expr = p0;
-var_n_kwas = p1;
-var_n_opar = p2;
-var_n_type = p3;
-var_n_cpar = p4;
-if (unlikely(var_n_expr == NULL)) {
+}
+}
+var_n_kwisset = p0;
+var_n_expr = p1;
+var_n_id = p2;
+if (unlikely(var_n_kwisset == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7014);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6951);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val = var_n_expr; /* _n_expr on <self:AAsCastExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AIssetAttrExpr___n_kwisset].val = var_n_kwisset; /* _n_kwisset on <self:AIssetAttrExpr> */
+if (var_n_kwisset == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7015);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6952);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwisset,self) on <var_n_kwisset:nullable TKwisset> */
+if (unlikely(var_n_kwisset == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_kwisset->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwisset:nullable TKwisset> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_kwas == NULL)) {
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7016);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6953);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val = var_n_kwas; /* _n_kwas on <self:AAsCastExpr> */
-if (var_n_kwas == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AIssetAttrExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7017);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6954);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwas,self) on <var_n_kwas:nullable TKwas> */
-if (unlikely(var_n_kwas == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_kwas->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwas:nullable TKwas> */
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL3:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val = var_n_opar; /* _n_opar on <self:AAsCastExpr> */
-if (var_n_opar == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_opar,((val*)NULL)) on <var_n_opar:nullable TOpar> */
-var_other = ((val*)NULL);
-{
-var6 = ((short int(*)(val* self, val* p0))(var_n_opar->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_opar, var_other); /* == on <var_n_opar:nullable TOpar(TOpar)>*/
-}
-var7 = !var6;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var = var4;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar(TOpar)> */
-var_n_opar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar(TOpar)> */
-RET_LABEL8:(void)0;
-}
-}
-} else {
-}
-if (unlikely(var_n_type == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7020);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6955);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastExpr___n_type].val = var_n_type; /* _n_type on <self:AAsCastExpr> */
-if (var_n_type == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_id].val = var_n_id; /* _n_id on <self:AIssetAttrExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7021);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6956);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
-if (unlikely(var_n_type == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TAttrid> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_type->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
-RET_LABEL9:(void)0;
-}
-}
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AAsCastExpr> */
-if (var_n_cpar == NULL) {
-var10 = 0; /* is null */
-} else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_cpar,((val*)NULL)) on <var_n_cpar:nullable TCpar> */
-var_other = ((val*)NULL);
-{
-var13 = ((short int(*)(val* self, val* p0))(var_n_cpar->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_cpar, var_other); /* == on <var_n_cpar:nullable TCpar(TCpar)>*/
-}
-var14 = !var13;
-var11 = var14;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-var10 = var11;
-}
-if (var10){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar(TCpar)> */
-var_n_cpar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar(TCpar)> */
-RET_LABEL15:(void)0;
-}
+var_n_id->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TAttrid> */
+RET_LABEL4:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsCastExpr#replace_child for (self: AAsCastExpr, ANode, nullable ANode) */
-void nit__parser_prod___AAsCastExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AIssetAttrExpr#replace_child for (self: AIssetAttrExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AIssetAttrExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : AExpr */;
+val* var /* : TKwisset */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -4365,7 +4164,7 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : TKwas */;
+val* var7 /* : AExpr */;
 short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -4373,45 +4172,27 @@ short int var13 /* : Bool */;
 int cltype14;
 int idtype15;
 const char* var_class_name16;
-val* var17 /* : nullable TOpar */;
+val* var17 /* : TAttrid */;
 short int var18 /* : Bool */;
-short int var19 /* : Bool */;
-short int var21 /* : Bool */;
+short int var20 /* : Bool */;
+short int var22 /* : Bool */;
 short int var23 /* : Bool */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-const char* var_class_name27;
-val* var28 /* : AType */;
-short int var29 /* : Bool */;
-short int var31 /* : Bool */;
-short int var33 /* : Bool */;
-short int var34 /* : Bool */;
-int cltype35;
-int idtype36;
-const char* var_class_name37;
-val* var38 /* : nullable TCpar */;
-short int var39 /* : Bool */;
-short int var40 /* : Bool */;
-short int var42 /* : Bool */;
-short int var44 /* : Bool */;
-short int var45 /* : Bool */;
-int cltype46;
-int idtype47;
-const char* var_class_name48;
+int cltype24;
+int idtype25;
+const char* var_class_name26;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsCastExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AIssetAttrExpr___n_kwisset].val; /* _n_kwisset on <self:AIssetAttrExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7028);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwisset");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6961);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwisset> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwisset> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -4424,9 +4205,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype = type_nit__AExpr.color;
-idtype = type_nit__AExpr.id;
+/* <var_new_child:nullable ANode> isa TKwisset */
+cltype = type_nitc__TKwisset.color;
+idtype = type_nitc__TKwisset.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -4438,27 +4219,27 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7029);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwisset", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6962);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_expr= on <self:AAsCastExpr>*/
+nitc__parser_prod___AIssetAttrExpr___n_kwisset_61d(self, var_new_child); /* Direct call parser_prod#AIssetAttrExpr#n_kwisset= on <self:AIssetAttrExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsCastExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AIssetAttrExpr> */
 if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7032);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6965);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TKwas> */
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TKwas> */
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:AExpr> */
 var12 = var7 == var_other;
 var10 = var12;
 goto RET_LABEL11;
@@ -4471,507 +4252,260 @@ RET_LABEL9:(void)0;
 }
 }
 if (var8){
-/* <var_new_child:nullable ANode> isa TKwas */
-cltype14 = type_nit__TKwas.color;
-idtype15 = type_nit__TKwas.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype14 = type_nitc__AExpr.color;
+idtype15 = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
 var13 = 0;
 } else {
 if(cltype14 >= var_new_child->type->table_size) {
-var13 = 0;
-} else {
-var13 = var_new_child->type->type_table[cltype14] == idtype15;
-}
-}
-if (unlikely(!var13)) {
-var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwas", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7033);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_kwas_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_kwas= on <self:AAsCastExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var17 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsCastExpr> */
-if (var17 == NULL) {
-var18 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:nullable TOpar> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:nullable TOpar(TOpar)> */
-var23 = var17 == var_other;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
-}
-}
-var19 = var21;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
-}
-var18 = var19;
-}
-if (var18){
-/* <var_new_child:nullable ANode> isa nullable TOpar */
-cltype25 = type_nullable__nit__TOpar.color;
-idtype26 = type_nullable__nit__TOpar.id;
-if(var_new_child == NULL) {
-var24 = 1;
-} else {
-if(cltype25 >= var_new_child->type->table_size) {
-var24 = 0;
-} else {
-var24 = var_new_child->type->type_table[cltype25] == idtype26;
-}
-}
-if (unlikely(!var24)) {
-var_class_name27 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TOpar", var_class_name27);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7037);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_opar_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_opar= on <self:AAsCastExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var28 = self->attrs[COLOR_nit__parser_nodes__AAsCastExpr___n_type].val; /* _n_type on <self:AAsCastExpr> */
-if (unlikely(var28 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7040);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var28,var_old_child) on <var28:AType> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var28,var_other) on <var28:AType> */
-var33 = var28 == var_other;
-var31 = var33;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
-}
-}
-var29 = var31;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
-}
-}
-if (var29){
-/* <var_new_child:nullable ANode> isa AType */
-cltype35 = type_nit__AType.color;
-idtype36 = type_nit__AType.id;
-if(var_new_child == NULL) {
-var34 = 0;
-} else {
-if(cltype35 >= var_new_child->type->table_size) {
-var34 = 0;
-} else {
-var34 = var_new_child->type->type_table[cltype35] == idtype36;
-}
-}
-if (unlikely(!var34)) {
-var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name37);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7041);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AAsCastExpr___n_type_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_type= on <self:AAsCastExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var38 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsCastExpr> */
-if (var38 == NULL) {
-var39 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var38,var_old_child) on <var38:nullable TCpar> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var38,var_other) on <var38:nullable TCpar(TCpar)> */
-var44 = var38 == var_other;
-var42 = var44;
-goto RET_LABEL43;
-RET_LABEL43:(void)0;
-}
-}
-var40 = var42;
-goto RET_LABEL41;
-RET_LABEL41:(void)0;
-}
-var39 = var40;
-}
-if (var39){
-/* <var_new_child:nullable ANode> isa nullable TCpar */
-cltype46 = type_nullable__nit__TCpar.color;
-idtype47 = type_nullable__nit__TCpar.id;
-if(var_new_child == NULL) {
-var45 = 1;
-} else {
-if(cltype46 >= var_new_child->type->table_size) {
-var45 = 0;
+var13 = 0;
 } else {
-var45 = var_new_child->type->type_table[cltype46] == idtype47;
+var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
 }
-if (unlikely(!var45)) {
-var_class_name48 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TCpar", var_class_name48);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7045);
+if (unlikely(!var13)) {
+var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6966);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AAsCastExpr#n_cpar= on <self:AAsCastExpr>*/
+nitc__parser_prod___AIssetAttrExpr___nitc__parser_nodes__AAttrFormExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AIssetAttrExpr#n_expr= on <self:AIssetAttrExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
+var17 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AIssetAttrExpr> */
+if (unlikely(var17 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6969);
+fatal_exit(1);
 }
-/* method parser_prod#AAsCastExpr#n_expr= for (self: AAsCastExpr, AExpr) */
-void nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val = var_node; /* _n_expr on <self:AAsCastExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AAsCastExpr#n_kwas= for (self: AAsCastExpr, TKwas) */
-void nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_kwas_61d(val* self, val* p0) {
-val* var_node /* var node: TKwas */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val = var_node; /* _n_kwas on <self:AAsCastExpr> */
+{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:TAttrid> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwas> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwas> */
-RET_LABEL1:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:TAttrid> */
+var22 = var17 == var_other;
+var20 = var22;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
 }
 }
-RET_LABEL:;
+var18 = var20;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
 }
-/* method parser_prod#AAsCastExpr#n_opar= for (self: AAsCastExpr, nullable TOpar) */
-void nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_opar_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TOpar */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val = var_node; /* _n_opar on <self:AAsCastExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TOpar> */
-var_other = ((val*)NULL);
-{
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TOpar(TOpar)>*/
+if (var18){
+/* <var_new_child:nullable ANode> isa TAttrid */
+cltype24 = type_nitc__TAttrid.color;
+idtype25 = type_nitc__TAttrid.id;
+if(var_new_child == NULL) {
+var23 = 0;
+} else {
+if(cltype24 >= var_new_child->type->table_size) {
+var23 = 0;
+} else {
+var23 = var_new_child->type->type_table[cltype24] == idtype25;
 }
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
 }
-var = var1;
+if (unlikely(!var23)) {
+var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAttrid", var_class_name26);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6970);
+fatal_exit(1);
 }
-if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TOpar(TOpar)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TOpar(TOpar)> */
-RET_LABEL5:(void)0;
-}
+nitc__parser_prod___AIssetAttrExpr___nitc__parser_nodes__AAttrFormExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AIssetAttrExpr#n_id= on <self:AIssetAttrExpr>*/
 }
+goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsCastExpr#n_type= for (self: AAsCastExpr, AType) */
-void nit__parser_prod___AAsCastExpr___n_type_61d(val* self, val* p0) {
-val* var_node /* var node: AType */;
+/* method parser_prod#AIssetAttrExpr#n_kwisset= for (self: AIssetAttrExpr, TKwisset) */
+void nitc__parser_prod___AIssetAttrExpr___n_kwisset_61d(val* self, val* p0) {
+val* var_node /* var node: TKwisset */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastExpr___n_type].val = var_node; /* _n_type on <self:AAsCastExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AIssetAttrExpr___n_kwisset].val = var_node; /* _n_kwisset on <self:AIssetAttrExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwisset> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwisset> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsCastExpr#n_cpar= for (self: AAsCastExpr, nullable TCpar) */
-void nit__parser_prod___AAsCastExpr___nit__parser_nodes__AAsCastForm__n_cpar_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TCpar */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
+/* method parser_prod#AIssetAttrExpr#n_expr= for (self: AIssetAttrExpr, AExpr) */
+void nitc__parser_prod___AIssetAttrExpr___nitc__parser_nodes__AAttrFormExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val = var_node; /* _n_cpar on <self:AAsCastExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TCpar> */
-var_other = ((val*)NULL);
+self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val = var_node; /* _n_expr on <self:AIssetAttrExpr> */
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TCpar(TCpar)>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
 }
-var = var1;
+RET_LABEL:;
 }
-if (var){
+/* method parser_prod#AIssetAttrExpr#n_id= for (self: AIssetAttrExpr, TAttrid) */
+void nitc__parser_prod___AIssetAttrExpr___nitc__parser_nodes__AAttrFormExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TAttrid */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_id].val = var_node; /* _n_id on <self:AIssetAttrExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TCpar(TCpar)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TCpar(TCpar)> */
-RET_LABEL5:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAttrid> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAttrid> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsCastExpr#visit_all for (self: AAsCastExpr, Visitor) */
-void nit__parser_prod___AAsCastExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AIssetAttrExpr#visit_all for (self: AIssetAttrExpr, Visitor) */
+void nitc__parser_prod___AIssetAttrExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : AExpr */;
-val* var1 /* : TKwas */;
-val* var2 /* : nullable TOpar */;
-val* var3 /* : AType */;
-val* var4 /* : nullable TCpar */;
+val* var /* : TKwisset */;
+val* var1 /* : AExpr */;
+val* var2 /* : TAttrid */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsCastExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AIssetAttrExpr___n_kwisset].val; /* _n_kwisset on <self:AIssetAttrExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7079);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwisset");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6994);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsCastExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AIssetAttrExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7080);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6995);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsCastExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var3 = self->attrs[COLOR_nit__parser_nodes__AAsCastExpr___n_type].val; /* _n_type on <self:AAsCastExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7082);
+var2 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AIssetAttrExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 6996);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var4 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsCastExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#init_aasnotnullexpr for (self: AAsNotnullExpr, nullable AExpr, nullable TKwas, nullable TOpar, nullable TKwnot, nullable TKwnull, nullable TCpar) */
-void nit__parser_prod___AAsNotnullExpr___init_aasnotnullexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
+/* method parser_prod#ADebugTypeExpr#init_adebugtypeexpr for (self: ADebugTypeExpr, nullable TKwdebug, nullable TKwtype, nullable AExpr, nullable AType) */
+void nitc__parser_prod___ADebugTypeExpr___init_adebugtypeexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+val* var_n_kwdebug /* var n_kwdebug: nullable TKwdebug */;
+val* var_n_kwtype /* var n_kwtype: nullable TKwtype */;
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_kwas /* var n_kwas: nullable TKwas */;
-val* var_n_opar /* var n_opar: nullable TOpar */;
-val* var_n_kwnot /* var n_kwnot: nullable TKwnot */;
-val* var_n_kwnull /* var n_kwnull: nullable TKwnull */;
-val* var_n_cpar /* var n_cpar: nullable TCpar */;
-short int var /* : Bool */;
-short int var4 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-short int var11 /* : Bool */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
+val* var_n_type /* var n_type: nullable AType */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AAsNotnullExpr> */
+{ /* Inline kernel#Object#init (self) on <self:ADebugTypeExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_expr = p0;
-var_n_kwas = p1;
-var_n_opar = p2;
-var_n_kwnot = p3;
-var_n_kwnull = p4;
-var_n_cpar = p5;
-if (unlikely(var_n_expr == NULL)) {
+var_n_kwdebug = p0;
+var_n_kwtype = p1;
+var_n_expr = p2;
+var_n_type = p3;
+if (unlikely(var_n_kwdebug == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7096);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7007);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val = var_n_expr; /* _n_expr on <self:AAsNotnullExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwdebug].val = var_n_kwdebug; /* _n_kwdebug on <self:ADebugTypeExpr> */
+if (var_n_kwdebug == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7097);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7008);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwdebug,self) on <var_n_kwdebug:nullable TKwdebug> */
+if (unlikely(var_n_kwdebug == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_kwdebug->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwdebug:nullable TKwdebug> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_kwas == NULL)) {
+if (unlikely(var_n_kwtype == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7098);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7009);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val = var_n_kwas; /* _n_kwas on <self:AAsNotnullExpr> */
-if (var_n_kwas == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwtype].val = var_n_kwtype; /* _n_kwtype on <self:ADebugTypeExpr> */
+if (var_n_kwtype == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7099);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7010);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwas,self) on <var_n_kwas:nullable TKwas> */
-if (unlikely(var_n_kwas == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwtype,self) on <var_n_kwtype:nullable TKwtype> */
+if (unlikely(var_n_kwtype == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_kwas->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwas:nullable TKwas> */
+var_n_kwtype->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwtype:nullable TKwtype> */
 RET_LABEL3:(void)0;
 }
 }
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val = var_n_opar; /* _n_opar on <self:AAsNotnullExpr> */
-if (var_n_opar == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_opar,((val*)NULL)) on <var_n_opar:nullable TOpar> */
-var_other = ((val*)NULL);
-{
-var6 = ((short int(*)(val* self, val* p0))(var_n_opar->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_opar, var_other); /* == on <var_n_opar:nullable TOpar(TOpar)>*/
-}
-var7 = !var6;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var = var4;
-}
-if (var){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar(TOpar)> */
-var_n_opar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar(TOpar)> */
-RET_LABEL8:(void)0;
-}
-}
-} else {
-}
-if (unlikely(var_n_kwnot == NULL)) {
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7102);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7011);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnot].val = var_n_kwnot; /* _n_kwnot on <self:AAsNotnullExpr> */
-if (var_n_kwnot == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ADebugTypeExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7103);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7012);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwnot,self) on <var_n_kwnot:nullable TKwnot> */
-if (unlikely(var_n_kwnot == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_kwnot->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnot:nullable TKwnot> */
-RET_LABEL9:(void)0;
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL4:(void)0;
 }
 }
-if (unlikely(var_n_kwnull == NULL)) {
+if (unlikely(var_n_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7104);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7013);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnull].val = var_n_kwnull; /* _n_kwnull on <self:AAsNotnullExpr> */
-if (var_n_kwnull == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7105);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwnull,self) on <var_n_kwnull:nullable TKwnull> */
-if (unlikely(var_n_kwnull == NULL)) {
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_type].val = var_n_type; /* _n_type on <self:ADebugTypeExpr> */
+if (var_n_type == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7014);
 fatal_exit(1);
-}
-var_n_kwnull->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnull:nullable TKwnull> */
-RET_LABEL10:(void)0;
-}
-}
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AAsNotnullExpr> */
-if (var_n_cpar == NULL) {
-var11 = 0; /* is null */
 } else {
-var11 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_cpar,((val*)NULL)) on <var_n_cpar:nullable TCpar> */
-var_other = ((val*)NULL);
-{
-var14 = ((short int(*)(val* self, val* p0))(var_n_cpar->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_cpar, var_other); /* == on <var_n_cpar:nullable TCpar(TCpar)>*/
-}
-var15 = !var14;
-var12 = var15;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-var11 = var12;
-}
-if (var11){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar(TCpar)> */
-var_n_cpar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar(TCpar)> */
-RET_LABEL16:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
 }
+var_n_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
+RET_LABEL5:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#replace_child for (self: AAsNotnullExpr, ANode, nullable ANode) */
-void nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ADebugTypeExpr#replace_child for (self: ADebugTypeExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ADebugTypeExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : AExpr */;
+val* var /* : TKwdebug */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -4980,7 +4514,7 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : TKwas */;
+val* var7 /* : TKwtype */;
 short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -4988,53 +4522,35 @@ short int var13 /* : Bool */;
 int cltype14;
 int idtype15;
 const char* var_class_name16;
-val* var17 /* : nullable TOpar */;
+val* var17 /* : AExpr */;
 short int var18 /* : Bool */;
-short int var19 /* : Bool */;
-short int var21 /* : Bool */;
+short int var20 /* : Bool */;
+short int var22 /* : Bool */;
 short int var23 /* : Bool */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-const char* var_class_name27;
-val* var28 /* : TKwnot */;
-short int var29 /* : Bool */;
-short int var31 /* : Bool */;
+int cltype24;
+int idtype25;
+const char* var_class_name26;
+val* var27 /* : AType */;
+short int var28 /* : Bool */;
+short int var30 /* : Bool */;
+short int var32 /* : Bool */;
 short int var33 /* : Bool */;
-short int var34 /* : Bool */;
-int cltype35;
-int idtype36;
-const char* var_class_name37;
-val* var38 /* : TKwnull */;
-short int var39 /* : Bool */;
-short int var41 /* : Bool */;
-short int var43 /* : Bool */;
-short int var44 /* : Bool */;
-int cltype45;
-int idtype46;
-const char* var_class_name47;
-val* var48 /* : nullable TCpar */;
-short int var49 /* : Bool */;
-short int var50 /* : Bool */;
-short int var52 /* : Bool */;
-short int var54 /* : Bool */;
-short int var55 /* : Bool */;
-int cltype56;
-int idtype57;
-const char* var_class_name58;
+int cltype34;
+int idtype35;
+const char* var_class_name36;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsNotnullExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwdebug].val; /* _n_kwdebug on <self:ADebugTypeExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7112);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdebug");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7019);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwdebug> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwdebug> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -5047,9 +4563,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype = type_nit__AExpr.color;
-idtype = type_nit__AExpr.id;
+/* <var_new_child:nullable ANode> isa TKwdebug */
+cltype = type_nitc__TKwdebug.color;
+idtype = type_nitc__TKwdebug.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -5061,27 +4577,27 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7113);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwdebug", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7020);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_expr= on <self:AAsNotnullExpr>*/
+nitc__parser_prod___ADebugTypeExpr___n_kwdebug_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_kwdebug= on <self:ADebugTypeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsNotnullExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwtype].val; /* _n_kwtype on <self:ADebugTypeExpr> */
 if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7116);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwtype");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7023);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TKwas> */
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TKwtype> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TKwas> */
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TKwtype> */
 var12 = var7 == var_other;
 var10 = var12;
 goto RET_LABEL11;
@@ -5094,9 +4610,9 @@ RET_LABEL9:(void)0;
 }
 }
 if (var8){
-/* <var_new_child:nullable ANode> isa TKwas */
-cltype14 = type_nit__TKwas.color;
-idtype15 = type_nit__TKwas.id;
+/* <var_new_child:nullable ANode> isa TKwtype */
+cltype14 = type_nitc__TKwtype.color;
+idtype15 = type_nitc__TKwtype.id;
 if(var_new_child == NULL) {
 var13 = 0;
 } else {
@@ -5108,471 +4624,270 @@ var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
 if (unlikely(!var13)) {
 var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwas", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7117);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_kwas_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_kwas= on <self:AAsNotnullExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var17 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsNotnullExpr> */
-if (var17 == NULL) {
-var18 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:nullable TOpar> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:nullable TOpar(TOpar)> */
-var23 = var17 == var_other;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
-}
-}
-var19 = var21;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
-}
-var18 = var19;
-}
-if (var18){
-/* <var_new_child:nullable ANode> isa nullable TOpar */
-cltype25 = type_nullable__nit__TOpar.color;
-idtype26 = type_nullable__nit__TOpar.id;
-if(var_new_child == NULL) {
-var24 = 1;
-} else {
-if(cltype25 >= var_new_child->type->table_size) {
-var24 = 0;
-} else {
-var24 = var_new_child->type->type_table[cltype25] == idtype26;
-}
-}
-if (unlikely(!var24)) {
-var_class_name27 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TOpar", var_class_name27);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7121);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwtype", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7024);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_opar_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_opar= on <self:AAsNotnullExpr>*/
+nitc__parser_prod___ADebugTypeExpr___n_kwtype_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_kwtype= on <self:ADebugTypeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var28 = self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnot].val; /* _n_kwnot on <self:AAsNotnullExpr> */
-if (unlikely(var28 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7124);
+var17 = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_expr].val; /* _n_expr on <self:ADebugTypeExpr> */
+if (unlikely(var17 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7027);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var28,var_old_child) on <var28:TKwnot> */
+{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var28,var_other) on <var28:TKwnot> */
-var33 = var28 == var_other;
-var31 = var33;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:AExpr> */
+var22 = var17 == var_other;
+var20 = var22;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
 }
 }
-var29 = var31;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
+var18 = var20;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
 }
 }
-if (var29){
-/* <var_new_child:nullable ANode> isa TKwnot */
-cltype35 = type_nit__TKwnot.color;
-idtype36 = type_nit__TKwnot.id;
+if (var18){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype24 = type_nitc__AExpr.color;
+idtype25 = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
-var34 = 0;
+var23 = 0;
 } else {
-if(cltype35 >= var_new_child->type->table_size) {
-var34 = 0;
+if(cltype24 >= var_new_child->type->table_size) {
+var23 = 0;
 } else {
-var34 = var_new_child->type->type_table[cltype35] == idtype36;
+var23 = var_new_child->type->type_table[cltype24] == idtype25;
 }
 }
-if (unlikely(!var34)) {
-var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnot", var_class_name37);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7125);
+if (unlikely(!var23)) {
+var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name26);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7028);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAsNotnullExpr___n_kwnot_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_kwnot= on <self:AAsNotnullExpr>*/
+nitc__parser_prod___ADebugTypeExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_expr= on <self:ADebugTypeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var38 = self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnull].val; /* _n_kwnull on <self:AAsNotnullExpr> */
-if (unlikely(var38 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7128);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var38,var_old_child) on <var38:TKwnull> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var38,var_other) on <var38:TKwnull> */
-var43 = var38 == var_other;
-var41 = var43;
-goto RET_LABEL42;
-RET_LABEL42:(void)0;
-}
-}
-var39 = var41;
-goto RET_LABEL40;
-RET_LABEL40:(void)0;
-}
-}
-if (var39){
-/* <var_new_child:nullable ANode> isa TKwnull */
-cltype45 = type_nit__TKwnull.color;
-idtype46 = type_nit__TKwnull.id;
-if(var_new_child == NULL) {
-var44 = 0;
-} else {
-if(cltype45 >= var_new_child->type->table_size) {
-var44 = 0;
-} else {
-var44 = var_new_child->type->type_table[cltype45] == idtype46;
-}
-}
-if (unlikely(!var44)) {
-var_class_name47 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnull", var_class_name47);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7129);
+var27 = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_type].val; /* _n_type on <self:ADebugTypeExpr> */
+if (unlikely(var27 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7031);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAsNotnullExpr___n_kwnull_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_kwnull= on <self:AAsNotnullExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var48 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsNotnullExpr> */
-if (var48 == NULL) {
-var49 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var48,var_old_child) on <var48:nullable TCpar> */
+{ /* Inline kernel#Object#== (var27,var_old_child) on <var27:AType> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var48,var_other) on <var48:nullable TCpar(TCpar)> */
-var54 = var48 == var_other;
-var52 = var54;
-goto RET_LABEL53;
-RET_LABEL53:(void)0;
-}
-}
-var50 = var52;
-goto RET_LABEL51;
-RET_LABEL51:(void)0;
-}
-var49 = var50;
-}
-if (var49){
-/* <var_new_child:nullable ANode> isa nullable TCpar */
-cltype56 = type_nullable__nit__TCpar.color;
-idtype57 = type_nullable__nit__TCpar.id;
-if(var_new_child == NULL) {
-var55 = 1;
-} else {
-if(cltype56 >= var_new_child->type->table_size) {
-var55 = 0;
-} else {
-var55 = var_new_child->type->type_table[cltype56] == idtype57;
-}
-}
-if (unlikely(!var55)) {
-var_class_name58 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TCpar", var_class_name58);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7133);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AAsNotnullExpr#n_cpar= on <self:AAsNotnullExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AAsNotnullExpr#n_expr= for (self: AAsNotnullExpr, AExpr) */
-void nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val = var_node; /* _n_expr on <self:AAsNotnullExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
+{ /* Inline kernel#Object#is_same_instance (var27,var_other) on <var27:AType> */
+var32 = var27 == var_other;
+var30 = var32;
+goto RET_LABEL31;
+RET_LABEL31:(void)0;
 }
-/* method parser_prod#AAsNotnullExpr#n_kwas= for (self: AAsNotnullExpr, TKwas) */
-void nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_kwas_61d(val* self, val* p0) {
-val* var_node /* var node: TKwas */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val = var_node; /* _n_kwas on <self:AAsNotnullExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwas> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwas> */
-RET_LABEL1:(void)0;
 }
+var28 = var30;
+goto RET_LABEL29;
+RET_LABEL29:(void)0;
 }
-RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#n_opar= for (self: AAsNotnullExpr, nullable TOpar) */
-void nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_opar_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TOpar */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val = var_node; /* _n_opar on <self:AAsNotnullExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
+if (var28){
+/* <var_new_child:nullable ANode> isa AType */
+cltype34 = type_nitc__AType.color;
+idtype35 = type_nitc__AType.id;
+if(var_new_child == NULL) {
+var33 = 0;
 } else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TOpar> */
-var_other = ((val*)NULL);
-{
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TOpar(TOpar)>*/
+if(cltype34 >= var_new_child->type->table_size) {
+var33 = 0;
+} else {
+var33 = var_new_child->type->type_table[cltype34] == idtype35;
 }
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
 }
-var = var1;
+if (unlikely(!var33)) {
+var_class_name36 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name36);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7032);
+fatal_exit(1);
 }
-if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TOpar(TOpar)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TOpar(TOpar)> */
-RET_LABEL5:(void)0;
-}
+nitc__parser_prod___ADebugTypeExpr___n_type_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_type= on <self:ADebugTypeExpr>*/
 }
+goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#n_kwnot= for (self: AAsNotnullExpr, TKwnot) */
-void nit__parser_prod___AAsNotnullExpr___n_kwnot_61d(val* self, val* p0) {
-val* var_node /* var node: TKwnot */;
+/* method parser_prod#ADebugTypeExpr#n_kwdebug= for (self: ADebugTypeExpr, TKwdebug) */
+void nitc__parser_prod___ADebugTypeExpr___n_kwdebug_61d(val* self, val* p0) {
+val* var_node /* var node: TKwdebug */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnot].val = var_node; /* _n_kwnot on <self:AAsNotnullExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwdebug].val = var_node; /* _n_kwdebug on <self:ADebugTypeExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnot> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnot> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwdebug> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwdebug> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#n_kwnull= for (self: AAsNotnullExpr, TKwnull) */
-void nit__parser_prod___AAsNotnullExpr___n_kwnull_61d(val* self, val* p0) {
-val* var_node /* var node: TKwnull */;
+/* method parser_prod#ADebugTypeExpr#n_kwtype= for (self: ADebugTypeExpr, TKwtype) */
+void nitc__parser_prod___ADebugTypeExpr___n_kwtype_61d(val* self, val* p0) {
+val* var_node /* var node: TKwtype */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnull].val = var_node; /* _n_kwnull on <self:AAsNotnullExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwtype].val = var_node; /* _n_kwtype on <self:ADebugTypeExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnull> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnull> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwtype> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwtype> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#n_cpar= for (self: AAsNotnullExpr, nullable TCpar) */
-void nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__AAsCastForm__n_cpar_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TCpar */;
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
+/* method parser_prod#ADebugTypeExpr#n_expr= for (self: ADebugTypeExpr, AExpr) */
+void nitc__parser_prod___ADebugTypeExpr___n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val = var_node; /* _n_cpar on <self:AAsNotnullExpr> */
-if (var_node == NULL) {
-var = 0; /* is null */
-} else {
-var = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TCpar> */
-var_other = ((val*)NULL);
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_expr].val = var_node; /* _n_expr on <self:ADebugTypeExpr> */
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TCpar(TCpar)>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-var4 = !var3;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
 }
-var = var1;
+RET_LABEL:;
 }
-if (var){
+/* method parser_prod#ADebugTypeExpr#n_type= for (self: ADebugTypeExpr, AType) */
+void nitc__parser_prod___ADebugTypeExpr___n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_type].val = var_node; /* _n_type on <self:ADebugTypeExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TCpar(TCpar)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TCpar(TCpar)> */
-RET_LABEL5:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAsNotnullExpr#visit_all for (self: AAsNotnullExpr, Visitor) */
-void nit__parser_prod___AAsNotnullExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ADebugTypeExpr#visit_all for (self: ADebugTypeExpr, Visitor) */
+void nitc__parser_prod___ADebugTypeExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : AExpr */;
-val* var1 /* : TKwas */;
-val* var2 /* : nullable TOpar */;
-val* var3 /* : TKwnot */;
-val* var4 /* : TKwnull */;
-val* var5 /* : nullable TCpar */;
+val* var /* : TKwdebug */;
+val* var1 /* : TKwtype */;
+val* var2 /* : AExpr */;
+val* var3 /* : AType */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_expr].val; /* _n_expr on <self:AAsNotnullExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwdebug].val; /* _n_kwdebug on <self:ADebugTypeExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7172);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdebug");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7061);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_kwas].val; /* _n_kwas on <self:AAsNotnullExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_kwtype].val; /* _n_kwtype on <self:ADebugTypeExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7173);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwtype");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7062);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var2 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_opar].val; /* _n_opar on <self:AAsNotnullExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var3 = self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnot].val; /* _n_kwnot on <self:AAsNotnullExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7175);
+var2 = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_expr].val; /* _n_expr on <self:ADebugTypeExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7063);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var4 = self->attrs[COLOR_nit__parser_nodes__AAsNotnullExpr___n_kwnull].val; /* _n_kwnull on <self:AAsNotnullExpr> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnull");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7176);
+var3 = self->attrs[COLOR_nitc__parser_nodes__ADebugTypeExpr___n_type].val; /* _n_type on <self:ADebugTypeExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7064);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var5 = self->attrs[COLOR_nit__parser_nodes__AAsCastForm___n_cpar].val; /* _n_cpar on <self:AAsNotnullExpr> */
-{
-nit___nit__Visitor___enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIssetAttrExpr#init_aissetattrexpr for (self: AIssetAttrExpr, nullable TKwisset, nullable AExpr, nullable TAttrid) */
-void nit__parser_prod___AIssetAttrExpr___init_aissetattrexpr(val* self, val* p0, val* p1, val* p2) {
-val* var_n_kwisset /* var n_kwisset: nullable TKwisset */;
+/* method parser_prod#AVarargExpr#init_avarargexpr for (self: AVarargExpr, nullable AExpr, nullable TDotdotdot) */
+void nitc__parser_prod___AVarargExpr___init_avarargexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_id /* var n_id: nullable TAttrid */;
+val* var_n_dotdotdot /* var n_dotdotdot: nullable TDotdotdot */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AIssetAttrExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AVarargExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_kwisset = p0;
-var_n_expr = p1;
-var_n_id = p2;
-if (unlikely(var_n_kwisset == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7187);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__AIssetAttrExpr___n_kwisset].val = var_n_kwisset; /* _n_kwisset on <self:AIssetAttrExpr> */
-if (var_n_kwisset == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7188);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwisset,self) on <var_n_kwisset:nullable TKwisset> */
-if (unlikely(var_n_kwisset == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_kwisset->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwisset:nullable TKwisset> */
-RET_LABEL2:(void)0;
-}
-}
+var_n_expr = p0;
+var_n_dotdotdot = p1;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7189);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7073);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AIssetAttrExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AVarargExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7190);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7074);
 fatal_exit(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL3:(void)0;
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_id == NULL)) {
+if (unlikely(var_n_dotdotdot == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7191);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7075);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_id].val = var_n_id; /* _n_id on <self:AIssetAttrExpr> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_dotdotdot].val = var_n_dotdotdot; /* _n_dotdotdot on <self:AVarargExpr> */
+if (var_n_dotdotdot == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7192);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7076);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TAttrid> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_dotdotdot,self) on <var_n_dotdotdot:nullable TDotdotdot> */
+if (unlikely(var_n_dotdotdot == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_id->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TAttrid> */
-RET_LABEL4:(void)0;
+var_n_dotdotdot->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_dotdotdot:nullable TDotdotdot> */
+RET_LABEL3:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIssetAttrExpr#replace_child for (self: AIssetAttrExpr, ANode, nullable ANode) */
-void nit__parser_prod___AIssetAttrExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AVarargExpr#replace_child for (self: AVarargExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AVarargExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwisset */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -5581,7 +4896,7 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : AExpr */;
+val* var7 /* : TDotdotdot */;
 short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -5589,27 +4904,19 @@ short int var13 /* : Bool */;
 int cltype14;
 int idtype15;
 const char* var_class_name16;
-val* var17 /* : TAttrid */;
-short int var18 /* : Bool */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-const char* var_class_name26;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AIssetAttrExpr___n_kwisset].val; /* _n_kwisset on <self:AIssetAttrExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <self:AVarargExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwisset");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7197);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7081);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwisset> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwisset> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -5622,9 +4929,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwisset */
-cltype = type_nit__TKwisset.color;
-idtype = type_nit__TKwisset.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_nitc__AExpr.color;
+idtype = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -5636,27 +4943,27 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwisset", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7198);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7082);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AIssetAttrExpr___n_kwisset_61d(self, var_new_child); /* Direct call parser_prod#AIssetAttrExpr#n_kwisset= on <self:AIssetAttrExpr>*/
+nitc__parser_prod___AVarargExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AVarargExpr#n_expr= on <self:AVarargExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AIssetAttrExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_dotdotdot].val; /* _n_dotdotdot on <self:AVarargExpr> */
 if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7201);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_dotdotdot");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7085);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:AExpr> */
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TDotdotdot> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TDotdotdot> */
 var12 = var7 == var_other;
 var10 = var12;
 goto RET_LABEL11;
@@ -5669,9 +4976,9 @@ RET_LABEL9:(void)0;
 }
 }
 if (var8){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype14 = type_nit__AExpr.color;
-idtype15 = type_nit__AExpr.id;
+/* <var_new_child:nullable ANode> isa TDotdotdot */
+cltype14 = type_nitc__TDotdotdot.color;
+idtype15 = type_nitc__TDotdotdot.id;
 if(var_new_child == NULL) {
 var13 = 0;
 } else {
@@ -5683,246 +4990,153 @@ var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
 if (unlikely(!var13)) {
 var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7202);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AIssetAttrExpr___nit__parser_nodes__AAttrFormExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AIssetAttrExpr#n_expr= on <self:AIssetAttrExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var17 = self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AIssetAttrExpr> */
-if (unlikely(var17 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7205);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:TAttrid> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:TAttrid> */
-var22 = var17 == var_other;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
-}
-}
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
-}
-}
-if (var18){
-/* <var_new_child:nullable ANode> isa TAttrid */
-cltype24 = type_nit__TAttrid.color;
-idtype25 = type_nit__TAttrid.id;
-if(var_new_child == NULL) {
-var23 = 0;
-} else {
-if(cltype24 >= var_new_child->type->table_size) {
-var23 = 0;
-} else {
-var23 = var_new_child->type->type_table[cltype24] == idtype25;
-}
-}
-if (unlikely(!var23)) {
-var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAttrid", var_class_name26);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7206);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TDotdotdot", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7086);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AIssetAttrExpr___nit__parser_nodes__AAttrFormExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AIssetAttrExpr#n_id= on <self:AIssetAttrExpr>*/
+nitc__parser_prod___AVarargExpr___n_dotdotdot_61d(self, var_new_child); /* Direct call parser_prod#AVarargExpr#n_dotdotdot= on <self:AVarargExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIssetAttrExpr#n_kwisset= for (self: AIssetAttrExpr, TKwisset) */
-void nit__parser_prod___AIssetAttrExpr___n_kwisset_61d(val* self, val* p0) {
-val* var_node /* var node: TKwisset */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AIssetAttrExpr___n_kwisset].val = var_node; /* _n_kwisset on <self:AIssetAttrExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwisset> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwisset> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIssetAttrExpr#n_expr= for (self: AIssetAttrExpr, AExpr) */
-void nit__parser_prod___AIssetAttrExpr___nit__parser_nodes__AAttrFormExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AVarargExpr#n_expr= for (self: AVarargExpr, AExpr) */
+void nitc__parser_prod___AVarargExpr___n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_expr].val = var_node; /* _n_expr on <self:AIssetAttrExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val = var_node; /* _n_expr on <self:AVarargExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIssetAttrExpr#n_id= for (self: AIssetAttrExpr, TAttrid) */
-void nit__parser_prod___AIssetAttrExpr___nit__parser_nodes__AAttrFormExpr__n_id_61d(val* self, val* p0) {
-val* var_node /* var node: TAttrid */;
+/* method parser_prod#AVarargExpr#n_dotdotdot= for (self: AVarargExpr, TDotdotdot) */
+void nitc__parser_prod___AVarargExpr___n_dotdotdot_61d(val* self, val* p0) {
+val* var_node /* var node: TDotdotdot */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_id].val = var_node; /* _n_id on <self:AIssetAttrExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_dotdotdot].val = var_node; /* _n_dotdotdot on <self:AVarargExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAttrid> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAttrid> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TDotdotdot> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TDotdotdot> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIssetAttrExpr#visit_all for (self: AIssetAttrExpr, Visitor) */
-void nit__parser_prod___AIssetAttrExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AVarargExpr#visit_all for (self: AVarargExpr, Visitor) */
+void nitc__parser_prod___AVarargExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwisset */;
-val* var1 /* : AExpr */;
-val* var2 /* : TAttrid */;
+val* var /* : AExpr */;
+val* var1 /* : TDotdotdot */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AIssetAttrExpr___n_kwisset].val; /* _n_kwisset on <self:AIssetAttrExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <self:AVarargExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwisset");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7230);
-fatal_exit(1);
-}
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AIssetAttrExpr> */
-if (unlikely(var1 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7231);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7105);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_nit__parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AIssetAttrExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7232);
+var1 = self->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_dotdotdot].val; /* _n_dotdotdot on <self:AVarargExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_dotdotdot");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7106);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#init_adebugtypeexpr for (self: ADebugTypeExpr, nullable TKwdebug, nullable TKwtype, nullable AExpr, nullable AType) */
-void nit__parser_prod___ADebugTypeExpr___init_adebugtypeexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
-val* var_n_kwdebug /* var n_kwdebug: nullable TKwdebug */;
-val* var_n_kwtype /* var n_kwtype: nullable TKwtype */;
+/* method parser_prod#ANamedargExpr#init_anamedargexpr for (self: ANamedargExpr, nullable TId, nullable TAssign, nullable AExpr) */
+void nitc__parser_prod___ANamedargExpr___init_anamedargexpr(val* self, val* p0, val* p1, val* p2) {
+val* var_n_id /* var n_id: nullable TId */;
+val* var_n_assign /* var n_assign: nullable TAssign */;
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_type /* var n_type: nullable AType */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ADebugTypeExpr> */
+{ /* Inline kernel#Object#init (self) on <self:ANamedargExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_kwdebug = p0;
-var_n_kwtype = p1;
+var_n_id = p0;
+var_n_assign = p1;
 var_n_expr = p2;
-var_n_type = p3;
-if (unlikely(var_n_kwdebug == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7243);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7116);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwdebug].val = var_n_kwdebug; /* _n_kwdebug on <self:ADebugTypeExpr> */
-if (var_n_kwdebug == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val = var_n_id; /* _n_id on <self:ANamedargExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7244);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7117);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwdebug,self) on <var_n_kwdebug:nullable TKwdebug> */
-if (unlikely(var_n_kwdebug == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_kwdebug->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwdebug:nullable TKwdebug> */
+var_n_id->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_kwtype == NULL)) {
+if (unlikely(var_n_assign == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7245);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7118);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwtype].val = var_n_kwtype; /* _n_kwtype on <self:ADebugTypeExpr> */
-if (var_n_kwtype == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_assign].val = var_n_assign; /* _n_assign on <self:ANamedargExpr> */
+if (var_n_assign == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7246);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7119);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwtype,self) on <var_n_kwtype:nullable TKwtype> */
-if (unlikely(var_n_kwtype == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_assign,self) on <var_n_assign:nullable TAssign> */
+if (unlikely(var_n_assign == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_kwtype->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwtype:nullable TKwtype> */
+var_n_assign->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign:nullable TAssign> */
 RET_LABEL3:(void)0;
 }
 }
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7247);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7120);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ADebugTypeExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ANamedargExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7248);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7121);
 fatal_exit(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL4:(void)0;
 }
 }
-if (unlikely(var_n_type == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7249);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_type].val = var_n_type; /* _n_type on <self:ADebugTypeExpr> */
-if (var_n_type == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7250);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
-if (unlikely(var_n_type == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_type->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
-RET_LABEL5:(void)0;
-}
-}
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#replace_child for (self: ADebugTypeExpr, ANode, nullable ANode) */
-void nit__parser_prod___ADebugTypeExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ANamedargExpr#replace_child for (self: ANamedargExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ANamedargExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwdebug */;
+val* var /* : TId */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -5931,7 +5145,7 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : TKwtype */;
+val* var7 /* : TAssign */;
 short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -5947,27 +5161,19 @@ short int var23 /* : Bool */;
 int cltype24;
 int idtype25;
 const char* var_class_name26;
-val* var27 /* : AType */;
-short int var28 /* : Bool */;
-short int var30 /* : Bool */;
-short int var32 /* : Bool */;
-short int var33 /* : Bool */;
-int cltype34;
-int idtype35;
-const char* var_class_name36;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwdebug].val; /* _n_kwdebug on <self:ADebugTypeExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <self:ANamedargExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdebug");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7255);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7126);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwdebug> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TId> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwdebug> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TId> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -5980,9 +5186,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwdebug */
-cltype = type_nit__TKwdebug.color;
-idtype = type_nit__TKwdebug.id;
+/* <var_new_child:nullable ANode> isa TId */
+cltype = type_nitc__TId.color;
+idtype = type_nitc__TId.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -5994,27 +5200,27 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwdebug", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7256);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7127);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADebugTypeExpr___n_kwdebug_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_kwdebug= on <self:ADebugTypeExpr>*/
+nitc__parser_prod___ANamedargExpr___n_id_61d(self, var_new_child); /* Direct call parser_prod#ANamedargExpr#n_id= on <self:ANamedargExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwtype].val; /* _n_kwtype on <self:ADebugTypeExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_assign].val; /* _n_assign on <self:ANamedargExpr> */
 if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7259);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7130);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TKwtype> */
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TAssign> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TKwtype> */
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TAssign> */
 var12 = var7 == var_other;
 var10 = var12;
 goto RET_LABEL11;
@@ -6027,9 +5233,9 @@ RET_LABEL9:(void)0;
 }
 }
 if (var8){
-/* <var_new_child:nullable ANode> isa TKwtype */
-cltype14 = type_nit__TKwtype.color;
-idtype15 = type_nit__TKwtype.id;
+/* <var_new_child:nullable ANode> isa TAssign */
+cltype14 = type_nitc__TAssign.color;
+idtype15 = type_nitc__TAssign.id;
 if(var_new_child == NULL) {
 var13 = 0;
 } else {
@@ -6041,20 +5247,20 @@ var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
 if (unlikely(!var13)) {
 var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwtype", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7260);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAssign", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7131);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADebugTypeExpr___n_kwtype_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_kwtype= on <self:ADebugTypeExpr>*/
+nitc__parser_prod___ANamedargExpr___n_assign_61d(self, var_new_child); /* Direct call parser_prod#ANamedargExpr#n_assign= on <self:ANamedargExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var17 = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_expr].val; /* _n_expr on <self:ADebugTypeExpr> */
+var17 = self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_expr].val; /* _n_expr on <self:ANamedargExpr> */
 if (unlikely(var17 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7263);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7134);
 fatal_exit(1);
 }
 {
@@ -6075,8 +5281,8 @@ RET_LABEL19:(void)0;
 }
 if (var18){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype24 = type_nit__AExpr.color;
-idtype25 = type_nit__AExpr.id;
+cltype24 = type_nitc__AExpr.color;
+idtype25 = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
 var23 = 0;
 } else {
@@ -6089,219 +5295,274 @@ var23 = var_new_child->type->type_table[cltype24] == idtype25;
 if (unlikely(!var23)) {
 var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name26);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7264);
-fatal_exit(1);
-}
-{
-nit__parser_prod___ADebugTypeExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_expr= on <self:ADebugTypeExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var27 = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_type].val; /* _n_type on <self:ADebugTypeExpr> */
-if (unlikely(var27 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7267);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var27,var_old_child) on <var27:AType> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var27,var_other) on <var27:AType> */
-var32 = var27 == var_other;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
-}
-}
-var28 = var30;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
-}
-}
-if (var28){
-/* <var_new_child:nullable ANode> isa AType */
-cltype34 = type_nit__AType.color;
-idtype35 = type_nit__AType.id;
-if(var_new_child == NULL) {
-var33 = 0;
-} else {
-if(cltype34 >= var_new_child->type->table_size) {
-var33 = 0;
-} else {
-var33 = var_new_child->type->type_table[cltype34] == idtype35;
-}
-}
-if (unlikely(!var33)) {
-var_class_name36 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name36);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7268);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7135);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ADebugTypeExpr___n_type_61d(self, var_new_child); /* Direct call parser_prod#ADebugTypeExpr#n_type= on <self:ADebugTypeExpr>*/
+nitc__parser_prod___ANamedargExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#ANamedargExpr#n_expr= on <self:ANamedargExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#n_kwdebug= for (self: ADebugTypeExpr, TKwdebug) */
-void nit__parser_prod___ADebugTypeExpr___n_kwdebug_61d(val* self, val* p0) {
-val* var_node /* var node: TKwdebug */;
+/* method parser_prod#ANamedargExpr#n_id= for (self: ANamedargExpr, TId) */
+void nitc__parser_prod___ANamedargExpr___n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TId */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwdebug].val = var_node; /* _n_kwdebug on <self:ADebugTypeExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val = var_node; /* _n_id on <self:ANamedargExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwdebug> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwdebug> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#n_kwtype= for (self: ADebugTypeExpr, TKwtype) */
-void nit__parser_prod___ADebugTypeExpr___n_kwtype_61d(val* self, val* p0) {
-val* var_node /* var node: TKwtype */;
+/* method parser_prod#ANamedargExpr#n_assign= for (self: ANamedargExpr, TAssign) */
+void nitc__parser_prod___ANamedargExpr___n_assign_61d(val* self, val* p0) {
+val* var_node /* var node: TAssign */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwtype].val = var_node; /* _n_kwtype on <self:ADebugTypeExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_assign].val = var_node; /* _n_assign on <self:ANamedargExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwtype> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwtype> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAssign> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAssign> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#n_expr= for (self: ADebugTypeExpr, AExpr) */
-void nit__parser_prod___ADebugTypeExpr___n_expr_61d(val* self, val* p0) {
+/* method parser_prod#ANamedargExpr#n_expr= for (self: ANamedargExpr, AExpr) */
+void nitc__parser_prod___ANamedargExpr___n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_expr].val = var_node; /* _n_expr on <self:ADebugTypeExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_expr].val = var_node; /* _n_expr on <self:ANamedargExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#n_type= for (self: ADebugTypeExpr, AType) */
-void nit__parser_prod___ADebugTypeExpr___n_type_61d(val* self, val* p0) {
-val* var_node /* var node: AType */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_type].val = var_node; /* _n_type on <self:ADebugTypeExpr> */
+/* method parser_prod#ANamedargExpr#visit_all for (self: ANamedargExpr, Visitor) */
+void nitc__parser_prod___ANamedargExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : TId */;
+val* var1 /* : TAssign */;
+val* var2 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <self:ANamedargExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7159);
+fatal_exit(1);
+}
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_assign].val; /* _n_assign on <self:ANamedargExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7160);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var2 = self->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_expr].val; /* _n_expr on <self:ANamedargExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7161);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#ATypeExpr#init_atypeexpr for (self: ATypeExpr, nullable AType) */
+void nitc__parser_prod___ATypeExpr___init_atypeexpr(val* self, val* p0) {
+val* var_n_type /* var n_type: nullable AType */;
+{
+{ /* Inline kernel#Object#init (self) on <self:ATypeExpr> */
 RET_LABEL1:(void)0;
 }
 }
+var_n_type = p0;
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7169);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__ATypeExpr___n_type].val = var_n_type; /* _n_type on <self:ATypeExpr> */
+if (var_n_type == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7170);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
+RET_LABEL2:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#ADebugTypeExpr#visit_all for (self: ADebugTypeExpr, Visitor) */
-void nit__parser_prod___ADebugTypeExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwdebug */;
-val* var1 /* : TKwtype */;
-val* var2 /* : AExpr */;
-val* var3 /* : AType */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwdebug].val; /* _n_kwdebug on <self:ADebugTypeExpr> */
+/* method parser_prod#ATypeExpr#replace_child for (self: ATypeExpr, ANode, nullable ANode) */
+void nitc__parser_prod___ATypeExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AType */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_nitc__parser_nodes__ATypeExpr___n_type].val; /* _n_type on <self:ATypeExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdebug");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7297);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7175);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AType> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AType> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_kwtype].val; /* _n_kwtype on <self:ADebugTypeExpr> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7298);
+}
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
+}
+}
+if (var1){
+/* <var_new_child:nullable ANode> isa AType */
+cltype = type_nitc__AType.color;
+idtype = type_nitc__AType.id;
+if(var_new_child == NULL) {
+var6 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var6 = 0;
+} else {
+var6 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7176);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc__parser_prod___ATypeExpr___n_type_61d(self, var_new_child); /* Direct call parser_prod#ATypeExpr#n_type= on <self:ATypeExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+RET_LABEL:;
+}
+/* method parser_prod#ATypeExpr#n_type= for (self: ATypeExpr, AType) */
+void nitc__parser_prod___ATypeExpr___n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__ATypeExpr___n_type].val = var_node; /* _n_type on <self:ATypeExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
 }
-var2 = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_expr].val; /* _n_expr on <self:ADebugTypeExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7299);
-fatal_exit(1);
 }
-{
-nit___nit__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+RET_LABEL:;
 }
-var3 = self->attrs[COLOR_nit__parser_nodes__ADebugTypeExpr___n_type].val; /* _n_type on <self:ADebugTypeExpr> */
-if (unlikely(var3 == NULL)) {
+/* method parser_prod#ATypeExpr#visit_all for (self: ATypeExpr, Visitor) */
+void nitc__parser_prod___ATypeExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AType */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__ATypeExpr___n_type].val; /* _n_type on <self:ATypeExpr> */
+if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7300);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7190);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVarargExpr#init_avarargexpr for (self: AVarargExpr, nullable AExpr, nullable TDotdotdot) */
-void nit__parser_prod___AVarargExpr___init_avarargexpr(val* self, val* p0, val* p1) {
+/* method parser_prod#AMethidExpr#init_amethidexpr for (self: AMethidExpr, nullable AExpr, nullable AMethid) */
+void nitc__parser_prod___AMethidExpr___init_amethidexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_dotdotdot /* var n_dotdotdot: nullable TDotdotdot */;
+val* var_n_id /* var n_id: nullable AMethid */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AVarargExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AMethidExpr> */
 RET_LABEL1:(void)0;
 }
 }
 var_n_expr = p0;
-var_n_dotdotdot = p1;
+var_n_id = p1;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7309);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7199);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AVarargExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AMethidExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7310);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7200);
 fatal_exit(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_dotdotdot == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7311);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7201);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_dotdotdot].val = var_n_dotdotdot; /* _n_dotdotdot on <self:AVarargExpr> */
-if (var_n_dotdotdot == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_id].val = var_n_id; /* _n_id on <self:AMethidExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7312);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7202);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_dotdotdot,self) on <var_n_dotdotdot:nullable TDotdotdot> */
-if (unlikely(var_n_dotdotdot == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable AMethid> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_dotdotdot->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_dotdotdot:nullable TDotdotdot> */
+var_n_id->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable AMethid> */
 RET_LABEL3:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVarargExpr#replace_child for (self: AVarargExpr, ANode, nullable ANode) */
-void nit__parser_prod___AVarargExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AMethidExpr#replace_child for (self: AMethidExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AMethidExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : AExpr */;
@@ -6313,7 +5574,7 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : TDotdotdot */;
+val* var7 /* : AMethid */;
 short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -6323,10 +5584,10 @@ int idtype15;
 const char* var_class_name16;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <self:AVarargExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_expr].val; /* _n_expr on <self:AMethidExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7317);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7207);
 fatal_exit(1);
 }
 {
@@ -6347,8 +5608,8 @@ RET_LABEL2:(void)0;
 }
 if (var1){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype = type_nit__AExpr.color;
-idtype = type_nit__AExpr.id;
+cltype = type_nitc__AExpr.color;
+idtype = type_nitc__AExpr.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -6361,26 +5622,26 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7318);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7208);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AVarargExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AVarargExpr#n_expr= on <self:AVarargExpr>*/
+nitc__parser_prod___AMethidExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AMethidExpr#n_expr= on <self:AMethidExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_dotdotdot].val; /* _n_dotdotdot on <self:AVarargExpr> */
+var7 = self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_id].val; /* _n_id on <self:AMethidExpr> */
 if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_dotdotdot");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7321);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7211);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TDotdotdot> */
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:AMethid> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TDotdotdot> */
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:AMethid> */
 var12 = var7 == var_other;
 var10 = var12;
 goto RET_LABEL11;
@@ -6393,9 +5654,9 @@ RET_LABEL9:(void)0;
 }
 }
 if (var8){
-/* <var_new_child:nullable ANode> isa TDotdotdot */
-cltype14 = type_nit__TDotdotdot.color;
-idtype15 = type_nit__TDotdotdot.id;
+/* <var_new_child:nullable ANode> isa AMethid */
+cltype14 = type_nitc__AMethid.color;
+idtype15 = type_nitc__AMethid.id;
 if(var_new_child == NULL) {
 var13 = 0;
 } else {
@@ -6407,434 +5668,439 @@ var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
 if (unlikely(!var13)) {
 var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TDotdotdot", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7322);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AMethid", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7212);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AVarargExpr___n_dotdotdot_61d(self, var_new_child); /* Direct call parser_prod#AVarargExpr#n_dotdotdot= on <self:AVarargExpr>*/
+nitc__parser_prod___AMethidExpr___n_id_61d(self, var_new_child); /* Direct call parser_prod#AMethidExpr#n_id= on <self:AMethidExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVarargExpr#n_expr= for (self: AVarargExpr, AExpr) */
-void nit__parser_prod___AVarargExpr___n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AMethidExpr#n_expr= for (self: AMethidExpr, AExpr) */
+void nitc__parser_prod___AMethidExpr___n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_expr].val = var_node; /* _n_expr on <self:AVarargExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_expr].val = var_node; /* _n_expr on <self:AMethidExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVarargExpr#n_dotdotdot= for (self: AVarargExpr, TDotdotdot) */
-void nit__parser_prod___AVarargExpr___n_dotdotdot_61d(val* self, val* p0) {
-val* var_node /* var node: TDotdotdot */;
+/* method parser_prod#AMethidExpr#n_id= for (self: AMethidExpr, AMethid) */
+void nitc__parser_prod___AMethidExpr___n_id_61d(val* self, val* p0) {
+val* var_node /* var node: AMethid */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_dotdotdot].val = var_node; /* _n_dotdotdot on <self:AVarargExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_id].val = var_node; /* _n_id on <self:AMethidExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TDotdotdot> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TDotdotdot> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AMethid> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AMethid> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVarargExpr#visit_all for (self: AVarargExpr, Visitor) */
-void nit__parser_prod___AVarargExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AMethidExpr#visit_all for (self: AMethidExpr, Visitor) */
+void nitc__parser_prod___AMethidExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : AExpr */;
-val* var1 /* : TDotdotdot */;
+val* var1 /* : AMethid */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <self:AVarargExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_expr].val; /* _n_expr on <self:AMethidExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7341);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7231);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__AVarargExpr___n_dotdotdot].val; /* _n_dotdotdot on <self:AVarargExpr> */
+var1 = self->attrs[COLOR_nitc__parser_nodes__AMethidExpr___n_id].val; /* _n_id on <self:AMethidExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_dotdotdot");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7342);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7232);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANamedargExpr#init_anamedargexpr for (self: ANamedargExpr, nullable TId, nullable TAssign, nullable AExpr) */
-void nit__parser_prod___ANamedargExpr___init_anamedargexpr(val* self, val* p0, val* p1, val* p2) {
-val* var_n_id /* var n_id: nullable TId */;
-val* var_n_assign /* var n_assign: nullable TAssign */;
-val* var_n_expr /* var n_expr: nullable AExpr */;
+/* method parser_prod#AAtExpr#init_aatexpr for (self: AAtExpr, nullable AAnnotations) */
+void nitc__parser_prod___AAtExpr___init_aatexpr(val* self, val* p0) {
+val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ANamedargExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AAtExpr> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_id = p0;
-var_n_assign = p1;
-var_n_expr = p2;
-if (unlikely(var_n_id == NULL)) {
+var_n_annotations = p0;
+if (unlikely(var_n_annotations == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7352);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7240);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_id].val = var_n_id; /* _n_id on <self:ANamedargExpr> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AAtExpr> */
+if (var_n_annotations == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7353);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7241);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations> */
+if (unlikely(var_n_annotations == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_id->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
+var_n_annotations->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_assign == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7354);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_assign].val = var_n_assign; /* _n_assign on <self:ANamedargExpr> */
-if (var_n_assign == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7355);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_assign,self) on <var_n_assign:nullable TAssign> */
-if (unlikely(var_n_assign == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_assign->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign:nullable TAssign> */
-RET_LABEL3:(void)0;
-}
-}
-if (unlikely(var_n_expr == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7356);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ANamedargExpr> */
-if (var_n_expr == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7357);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL4:(void)0;
-}
-}
 RET_LABEL:;
 }
-/* method parser_prod#ANamedargExpr#replace_child for (self: ANamedargExpr, ANode, nullable ANode) */
-void nit__parser_prod___ANamedargExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAtExpr#replace_child for (self: AAtExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AAtExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TId */;
+val* var /* : nullable AAnnotations */;
 short int var1 /* : Bool */;
+short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
+short int var4 /* : Bool */;
 short int var6 /* : Bool */;
+short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : TAssign */;
-short int var8 /* : Bool */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
-const char* var_class_name16;
-val* var17 /* : AExpr */;
-short int var18 /* : Bool */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-const char* var_class_name26;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <self:ANamedargExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7362);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TId> */
+var = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AAtExpr> */
+if (var == NULL) {
+var1 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable AAnnotations> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TId> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable AAnnotations(AAnnotations)> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
+var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TId */
-cltype = type_nit__TId.color;
-idtype = type_nit__TId.id;
+/* <var_new_child:nullable ANode> isa AAnnotations */
+cltype = type_nitc__AAnnotations.color;
+idtype = type_nitc__AAnnotations.id;
 if(var_new_child == NULL) {
-var6 = 0;
+var7 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
+var7 = 0;
 } else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var6)) {
+if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7363);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AAnnotations", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7247);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ANamedargExpr___n_id_61d(self, var_new_child); /* Direct call parser_prod#ANamedargExpr#n_id= on <self:ANamedargExpr>*/
+nitc__parser_prod___AAtExpr___nitc__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AAtExpr#n_annotations= on <self:AAtExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_assign].val; /* _n_assign on <self:ANamedargExpr> */
-if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7366);
+RET_LABEL:;
+}
+/* method parser_prod#AAtExpr#n_annotations= for (self: AAtExpr, nullable AAnnotations) */
+void nitc__parser_prod___AAtExpr___nitc__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
+val* var_node /* var node: nullable AAnnotations */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AAtExpr> */
+if (var_node == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7255);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations> */
+if (unlikely(var_node == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAtExpr#visit_all for (self: AAtExpr, Visitor) */
+void nitc__parser_prod___AAtExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : nullable AAnnotations */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AAtExpr> */
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:TAssign> */
-var_other = var_old_child;
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#AManyExpr#init_amanyexpr for (self: AManyExpr, Collection[Object]) */
+void nitc__parser_prod___AManyExpr___init_amanyexpr(val* self, val* p0) {
+val* var_n_exprs /* var n_exprs: Collection[Object] */;
+val* var /* : ANodes[AExpr] */;
+val* var3 /* : ANodes[AExpr] */;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:TAssign> */
-var12 = var7 == var_other;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+{ /* Inline kernel#Object#init (self) on <self:AManyExpr> */
+RET_LABEL1:(void)0;
 }
 }
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var_n_exprs = p0;
+{
+{ /* Inline parser_nodes#AManyExpr#n_exprs (self) on <self:AManyExpr> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AManyExpr___n_exprs].val; /* _n_exprs on <self:AManyExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2655);
+fatal_exit(1);
 }
+var = var3;
+RET_LABEL2:(void)0;
 }
-if (var8){
-/* <var_new_child:nullable ANode> isa TAssign */
-cltype14 = type_nit__TAssign.color;
-idtype15 = type_nit__TAssign.id;
-if(var_new_child == NULL) {
-var13 = 0;
-} else {
-if(cltype14 >= var_new_child->type->table_size) {
-var13 = 0;
-} else {
-var13 = var_new_child->type->type_table[cltype14] == idtype15;
 }
+{
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
 }
-if (unlikely(!var13)) {
-var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAssign", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7367);
+RET_LABEL:;
+}
+/* method parser_prod#AManyExpr#replace_child for (self: AManyExpr, ANode, nullable ANode) */
+void nitc__parser_prod___AManyExpr___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : ANodes[AExpr] */;
+val* var2 /* : ANodes[AExpr] */;
+short int var3 /* : Bool */;
+var_old_child = p0;
+var_new_child = p1;
+{
+{ /* Inline parser_nodes#AManyExpr#n_exprs (self) on <self:AManyExpr> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__AManyExpr___n_exprs].val; /* _n_exprs on <self:AManyExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2655);
 fatal_exit(1);
 }
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
 {
-nit__parser_prod___ANamedargExpr___n_assign_61d(self, var_new_child); /* Direct call parser_prod#ANamedargExpr#n_assign= on <self:ANamedargExpr>*/
+var3 = nitc___nitc__ANodes___replace_child(var, var_old_child, var_new_child);
 }
+if (var3){
 goto RET_LABEL;
 } else {
 }
-var17 = self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_expr].val; /* _n_expr on <self:ANamedargExpr> */
-if (unlikely(var17 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7370);
+RET_LABEL:;
+}
+/* method parser_prod#AManyExpr#visit_all for (self: AManyExpr, Visitor) */
+void nitc__parser_prod___AManyExpr___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : ANodes[AExpr] */;
+val* var2 /* : ANodes[AExpr] */;
+var_v = p0;
+{
+{ /* Inline parser_nodes#AManyExpr#n_exprs (self) on <self:AManyExpr> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__AManyExpr___n_exprs].val; /* _n_exprs on <self:AManyExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2655);
 fatal_exit(1);
 }
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
 {
-{ /* Inline kernel#Object#== (var17,var_old_child) on <var17:AExpr> */
-var_other = var_old_child;
+nitc___nitc__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#AListExprs#init_alistexprs for (self: AListExprs, Collection[Object]) */
+void nitc__parser_prod___AListExprs___init_alistexprs(val* self, val* p0) {
+val* var_n_exprs /* var n_exprs: Collection[Object] */;
+val* var /* : ANodes[AExpr] */;
+val* var3 /* : ANodes[AExpr] */;
 {
-{ /* Inline kernel#Object#is_same_instance (var17,var_other) on <var17:AExpr> */
-var22 = var17 == var_other;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+{ /* Inline kernel#Object#init (self) on <self:AListExprs> */
+RET_LABEL1:(void)0;
 }
 }
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
+var_n_exprs = p0;
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AListExprs> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AListExprs> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
+fatal_exit(1);
 }
+var = var3;
+RET_LABEL2:(void)0;
 }
-if (var18){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype24 = type_nit__AExpr.color;
-idtype25 = type_nit__AExpr.id;
-if(var_new_child == NULL) {
-var23 = 0;
-} else {
-if(cltype24 >= var_new_child->type->table_size) {
-var23 = 0;
-} else {
-var23 = var_new_child->type->type_table[cltype24] == idtype25;
 }
+{
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
+}
+RET_LABEL:;
 }
-if (unlikely(!var23)) {
-var_class_name26 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name26);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7371);
+/* method parser_prod#AListExprs#replace_child for (self: AListExprs, ANode, nullable ANode) */
+void nitc__parser_prod___AListExprs___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : ANodes[AExpr] */;
+val* var2 /* : ANodes[AExpr] */;
+short int var3 /* : Bool */;
+var_old_child = p0;
+var_new_child = p1;
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AListExprs> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AListExprs> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
 fatal_exit(1);
 }
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
 {
-nit__parser_prod___ANamedargExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#ANamedargExpr#n_expr= on <self:ANamedargExpr>*/
+var3 = nitc___nitc__ANodes___replace_child(var, var_old_child, var_new_child);
 }
+if (var3){
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANamedargExpr#n_id= for (self: ANamedargExpr, TId) */
-void nit__parser_prod___ANamedargExpr___n_id_61d(val* self, val* p0) {
-val* var_node /* var node: TId */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_id].val = var_node; /* _n_id on <self:ANamedargExpr> */
+/* method parser_prod#AListExprs#visit_all for (self: AListExprs, Visitor) */
+void nitc__parser_prod___AListExprs___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : ANodes[AExpr] */;
+val* var2 /* : ANodes[AExpr] */;
+var_v = p0;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
-RET_LABEL1:(void)0;
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AListExprs> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AListExprs> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
+fatal_exit(1);
 }
+var = var2;
+RET_LABEL1:(void)0;
 }
-RET_LABEL:;
 }
-/* method parser_prod#ANamedargExpr#n_assign= for (self: ANamedargExpr, TAssign) */
-void nit__parser_prod___ANamedargExpr___n_assign_61d(val* self, val* p0) {
-val* var_node /* var node: TAssign */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_assign].val = var_node; /* _n_assign on <self:ANamedargExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAssign> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAssign> */
-RET_LABEL1:(void)0;
-}
+nitc___nitc__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANamedargExpr#n_expr= for (self: ANamedargExpr, AExpr) */
-void nit__parser_prod___ANamedargExpr___n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_expr].val = var_node; /* _n_expr on <self:ANamedargExpr> */
+/* method parser_prod#AParExprs#init_aparexprs for (self: AParExprs, nullable TOpar, Collection[Object], nullable TCpar) */
+void nitc__parser_prod___AParExprs___init_aparexprs(val* self, val* p0, val* p1, val* p2) {
+val* var_n_opar /* var n_opar: nullable TOpar */;
+val* var_n_exprs /* var n_exprs: Collection[Object] */;
+val* var_n_cpar /* var n_cpar: nullable TCpar */;
+val* var /* : ANodes[AExpr] */;
+val* var4 /* : ANodes[AExpr] */;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AParExprs> */
 RET_LABEL1:(void)0;
 }
 }
-RET_LABEL:;
+var_n_opar = p0;
+var_n_exprs = p1;
+var_n_cpar = p2;
+if (unlikely(var_n_opar == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7311);
+fatal_exit(1);
 }
-/* method parser_prod#ANamedargExpr#visit_all for (self: ANamedargExpr, Visitor) */
-void nit__parser_prod___ANamedargExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TId */;
-val* var1 /* : TAssign */;
-val* var2 /* : AExpr */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <self:ANamedargExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7395);
+self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_opar].val = var_n_opar; /* _n_opar on <self:AParExprs> */
+if (var_n_opar == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7312);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar> */
+if (unlikely(var_n_opar == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+var_n_opar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar> */
+RET_LABEL2:(void)0;
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_assign].val; /* _n_assign on <self:ANamedargExpr> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7396);
-fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var2 = self->attrs[COLOR_nit__parser_nodes__ANamedargExpr___n_expr].val; /* _n_expr on <self:ANamedargExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7397);
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AParExprs> */
+var4 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AParExprs> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
 fatal_exit(1);
 }
-{
-nit___nit__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+var = var4;
+RET_LABEL3:(void)0;
 }
-RET_LABEL:;
 }
-/* method parser_prod#ATypeExpr#init_atypeexpr for (self: ATypeExpr, nullable AType) */
-void nit__parser_prod___ATypeExpr___init_atypeexpr(val* self, val* p0) {
-val* var_n_type /* var n_type: nullable AType */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ATypeExpr> */
-RET_LABEL1:(void)0;
-}
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
 }
-var_n_type = p0;
-if (unlikely(var_n_type == NULL)) {
+if (unlikely(var_n_cpar == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7405);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7314);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ATypeExpr___n_type].val = var_n_type; /* _n_type on <self:ATypeExpr> */
-if (var_n_type == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AParExprs> */
+if (var_n_cpar == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7406);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7315);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
-if (unlikely(var_n_type == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar> */
+if (unlikely(var_n_cpar == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_type->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
-RET_LABEL2:(void)0;
+var_n_cpar->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar> */
+RET_LABEL5:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ATypeExpr#replace_child for (self: ATypeExpr, ANode, nullable ANode) */
-void nit__parser_prod___ATypeExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AParExprs#replace_child for (self: AParExprs, ANode, nullable ANode) */
+void nitc__parser_prod___AParExprs___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : AType */;
+val* var /* : TOpar */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -6843,19 +6109,30 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var7 /* : ANodes[AExpr] */;
+val* var9 /* : ANodes[AExpr] */;
+short int var10 /* : Bool */;
+val* var11 /* : TCpar */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var16 /* : Bool */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ATypeExpr___n_type].val; /* _n_type on <self:ATypeExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_opar].val; /* _n_opar on <self:AParExprs> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7411);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7320);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:AType> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TOpar> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AType> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TOpar> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -6868,9 +6145,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa AType */
-cltype = type_nit__AType.color;
-idtype = type_nit__AType.id;
+/* <var_new_child:nullable ANode> isa TOpar */
+cltype = type_nitc__TOpar.color;
+idtype = type_nitc__TOpar.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -6882,107 +6159,232 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7412);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TOpar", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7321);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AParExprs___n_opar_61d(self, var_new_child); /* Direct call parser_prod#AParExprs#n_opar= on <self:AParExprs>*/
+}
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AParExprs> */
+var9 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AParExprs> */
+if (unlikely(var9 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
+fatal_exit(1);
+}
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+var10 = nitc___nitc__ANodes___replace_child(var7, var_old_child, var_new_child);
+}
+if (var10){
+goto RET_LABEL;
+} else {
+}
+var11 = self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_cpar].val; /* _n_cpar on <self:AParExprs> */
+if (unlikely(var11 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7325);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var11,var_old_child) on <var11:TCpar> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var11,var_other) on <var11:TCpar> */
+var16 = var11 == var_other;
+var14 = var16;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
+}
+}
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+if (var12){
+/* <var_new_child:nullable ANode> isa TCpar */
+cltype18 = type_nitc__TCpar.color;
+idtype19 = type_nitc__TCpar.id;
+if(var_new_child == NULL) {
+var17 = 0;
+} else {
+if(cltype18 >= var_new_child->type->table_size) {
+var17 = 0;
+} else {
+var17 = var_new_child->type->type_table[cltype18] == idtype19;
+}
+}
+if (unlikely(!var17)) {
+var_class_name20 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCpar", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7326);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ATypeExpr___n_type_61d(self, var_new_child); /* Direct call parser_prod#ATypeExpr#n_type= on <self:ATypeExpr>*/
+nitc__parser_prod___AParExprs___n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AParExprs#n_cpar= on <self:AParExprs>*/
+}
+goto RET_LABEL;
+} else {
+}
+RET_LABEL:;
+}
+/* method parser_prod#AParExprs#n_opar= for (self: AParExprs, TOpar) */
+void nitc__parser_prod___AParExprs___n_opar_61d(val* self, val* p0) {
+val* var_node /* var node: TOpar */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_opar].val = var_node; /* _n_opar on <self:AParExprs> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TOpar> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TOpar> */
+RET_LABEL1:(void)0;
 }
-goto RET_LABEL;
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ATypeExpr#n_type= for (self: ATypeExpr, AType) */
-void nit__parser_prod___ATypeExpr___n_type_61d(val* self, val* p0) {
-val* var_node /* var node: AType */;
+/* method parser_prod#AParExprs#n_cpar= for (self: AParExprs, TCpar) */
+void nitc__parser_prod___AParExprs___n_cpar_61d(val* self, val* p0) {
+val* var_node /* var node: TCpar */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ATypeExpr___n_type].val = var_node; /* _n_type on <self:ATypeExpr> */
+self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_cpar].val = var_node; /* _n_cpar on <self:AParExprs> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TCpar> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TCpar> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ATypeExpr#visit_all for (self: ATypeExpr, Visitor) */
-void nit__parser_prod___ATypeExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AParExprs#visit_all for (self: AParExprs, Visitor) */
+void nitc__parser_prod___AParExprs___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : AType */;
+val* var /* : TOpar */;
+val* var1 /* : ANodes[AExpr] */;
+val* var3 /* : ANodes[AExpr] */;
+val* var4 /* : TCpar */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ATypeExpr___n_type].val; /* _n_type on <self:ATypeExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_opar].val; /* _n_opar on <self:AParExprs> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7426);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7345);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AParExprs> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AParExprs> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AExpr]>*/
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__AParExprs___n_cpar].val; /* _n_cpar on <self:AParExprs> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7347);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMethidExpr#init_amethidexpr for (self: AMethidExpr, nullable AExpr, nullable AMethid) */
-void nit__parser_prod___AMethidExpr___init_amethidexpr(val* self, val* p0, val* p1) {
-val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_id /* var n_id: nullable AMethid */;
+/* method parser_prod#ABraExprs#init_abraexprs for (self: ABraExprs, nullable TObra, Collection[Object], nullable TCbra) */
+void nitc__parser_prod___ABraExprs___init_abraexprs(val* self, val* p0, val* p1, val* p2) {
+val* var_n_obra /* var n_obra: nullable TObra */;
+val* var_n_exprs /* var n_exprs: Collection[Object] */;
+val* var_n_cbra /* var n_cbra: nullable TCbra */;
+val* var /* : ANodes[AExpr] */;
+val* var4 /* : ANodes[AExpr] */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AMethidExpr> */
+{ /* Inline kernel#Object#init (self) on <self:ABraExprs> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_expr = p0;
-var_n_id = p1;
-if (unlikely(var_n_expr == NULL)) {
+var_n_obra = p0;
+var_n_exprs = p1;
+var_n_cbra = p2;
+if (unlikely(var_n_obra == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7435);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7357);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AMethidExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_obra].val = var_n_obra; /* _n_obra on <self:ABraExprs> */
+if (var_n_obra == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7436);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7358);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_obra,self) on <var_n_obra:nullable TObra> */
+if (unlikely(var_n_obra == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_expr->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_obra->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_obra:nullable TObra> */
 RET_LABEL2:(void)0;
 }
 }
-if (unlikely(var_n_id == NULL)) {
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:ABraExprs> */
+var4 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:ABraExprs> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
+fatal_exit(1);
+}
+var = var4;
+RET_LABEL3:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
+}
+if (unlikely(var_n_cbra == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7437);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7360);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_id].val = var_n_id; /* _n_id on <self:AMethidExpr> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_cbra].val = var_n_cbra; /* _n_cbra on <self:ABraExprs> */
+if (var_n_cbra == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7438);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7361);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable AMethid> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_cbra,self) on <var_n_cbra:nullable TCbra> */
+if (unlikely(var_n_cbra == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_id->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable AMethid> */
-RET_LABEL3:(void)0;
+var_n_cbra->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cbra:nullable TCbra> */
+RET_LABEL5:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMethidExpr#replace_child for (self: AMethidExpr, ANode, nullable ANode) */
-void nit__parser_prod___AMethidExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ABraExprs#replace_child for (self: ABraExprs, ANode, nullable ANode) */
+void nitc__parser_prod___ABraExprs___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : AExpr */;
+val* var /* : TObra */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -6991,27 +6393,30 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : AMethid */;
-short int var8 /* : Bool */;
+val* var7 /* : ANodes[AExpr] */;
+val* var9 /* : ANodes[AExpr] */;
 short int var10 /* : Bool */;
+val* var11 /* : TCbra */;
 short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
-const char* var_class_name16;
+short int var14 /* : Bool */;
+short int var16 /* : Bool */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_expr].val; /* _n_expr on <self:AMethidExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_obra].val; /* _n_obra on <self:ABraExprs> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7443);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_obra");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7366);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TObra> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TObra> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -7024,9 +6429,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype = type_nit__AExpr.color;
-idtype = type_nit__AExpr.id;
+/* <var_new_child:nullable ANode> isa TObra */
+cltype = type_nitc__TObra.color;
+idtype = type_nitc__TObra.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -7038,486 +6443,565 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7444);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TObra", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7367);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AMethidExpr___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AMethidExpr#n_expr= on <self:AMethidExpr>*/
+nitc__parser_prod___ABraExprs___n_obra_61d(self, var_new_child); /* Direct call parser_prod#ABraExprs#n_obra= on <self:ABraExprs>*/
 }
 goto RET_LABEL;
 } else {
 }
-var7 = self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_id].val; /* _n_id on <self:AMethidExpr> */
-if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7447);
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:ABraExprs> */
+var9 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:ABraExprs> */
+if (unlikely(var9 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
 fatal_exit(1);
 }
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
 {
-{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:AMethid> */
+var10 = nitc___nitc__ANodes___replace_child(var7, var_old_child, var_new_child);
+}
+if (var10){
+goto RET_LABEL;
+} else {
+}
+var11 = self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_cbra].val; /* _n_cbra on <self:ABraExprs> */
+if (unlikely(var11 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cbra");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7371);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var11,var_old_child) on <var11:TCbra> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:AMethid> */
-var12 = var7 == var_other;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var11,var_other) on <var11:TCbra> */
+var16 = var11 == var_other;
+var14 = var16;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
 }
 }
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-if (var8){
-/* <var_new_child:nullable ANode> isa AMethid */
-cltype14 = type_nit__AMethid.color;
-idtype15 = type_nit__AMethid.id;
+if (var12){
+/* <var_new_child:nullable ANode> isa TCbra */
+cltype18 = type_nitc__TCbra.color;
+idtype19 = type_nitc__TCbra.id;
 if(var_new_child == NULL) {
-var13 = 0;
+var17 = 0;
 } else {
-if(cltype14 >= var_new_child->type->table_size) {
-var13 = 0;
+if(cltype18 >= var_new_child->type->table_size) {
+var17 = 0;
 } else {
-var13 = var_new_child->type->type_table[cltype14] == idtype15;
+var17 = var_new_child->type->type_table[cltype18] == idtype19;
 }
 }
-if (unlikely(!var13)) {
-var_class_name16 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AMethid", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7448);
+if (unlikely(!var17)) {
+var_class_name20 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCbra", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7372);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AMethidExpr___n_id_61d(self, var_new_child); /* Direct call parser_prod#AMethidExpr#n_id= on <self:AMethidExpr>*/
+nitc__parser_prod___ABraExprs___n_cbra_61d(self, var_new_child); /* Direct call parser_prod#ABraExprs#n_cbra= on <self:ABraExprs>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMethidExpr#n_expr= for (self: AMethidExpr, AExpr) */
-void nit__parser_prod___AMethidExpr___n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
+/* method parser_prod#ABraExprs#n_obra= for (self: ABraExprs, TObra) */
+void nitc__parser_prod___ABraExprs___n_obra_61d(val* self, val* p0) {
+val* var_node /* var node: TObra */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_expr].val = var_node; /* _n_expr on <self:AMethidExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_obra].val = var_node; /* _n_obra on <self:ABraExprs> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TObra> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TObra> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMethidExpr#n_id= for (self: AMethidExpr, AMethid) */
-void nit__parser_prod___AMethidExpr___n_id_61d(val* self, val* p0) {
-val* var_node /* var node: AMethid */;
+/* method parser_prod#ABraExprs#n_cbra= for (self: ABraExprs, TCbra) */
+void nitc__parser_prod___ABraExprs___n_cbra_61d(val* self, val* p0) {
+val* var_node /* var node: TCbra */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_id].val = var_node; /* _n_id on <self:AMethidExpr> */
+self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_cbra].val = var_node; /* _n_cbra on <self:ABraExprs> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AMethid> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AMethid> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TCbra> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TCbra> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMethidExpr#visit_all for (self: AMethidExpr, Visitor) */
-void nit__parser_prod___AMethidExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ABraExprs#visit_all for (self: ABraExprs, Visitor) */
+void nitc__parser_prod___ABraExprs___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : AExpr */;
-val* var1 /* : AMethid */;
+val* var /* : TObra */;
+val* var1 /* : ANodes[AExpr] */;
+val* var3 /* : ANodes[AExpr] */;
+val* var4 /* : TCbra */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_expr].val; /* _n_expr on <self:AMethidExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_obra].val; /* _n_obra on <self:ABraExprs> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7467);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_obra");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7391);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_nit__parser_nodes__AMethidExpr___n_id].val; /* _n_id on <self:AMethidExpr> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7468);
+{
+{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:ABraExprs> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:ABraExprs> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2709);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AExpr]>*/
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__ABraExprs___n_cbra].val; /* _n_cbra on <self:ABraExprs> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cbra");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7393);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAtExpr#init_aatexpr for (self: AAtExpr, nullable AAnnotations) */
-void nit__parser_prod___AAtExpr___init_aatexpr(val* self, val* p0) {
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
+/* method parser_prod#APlusAssignOp#init_aplusassignop for (self: APlusAssignOp, nullable TPluseq) */
+void nitc__parser_prod___APlusAssignOp___init_aplusassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TPluseq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AAtExpr> */
+{ /* Inline kernel#Object#init (self) on <self:APlusAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_annotations = p0;
-if (unlikely(var_n_annotations == NULL)) {
+var_n_op = p0;
+if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7476);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7401);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AAtExpr> */
-if (var_n_annotations == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:APlusAssignOp> */
+if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7477);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7402);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations> */
-if (unlikely(var_n_annotations == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TPluseq> */
+if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_annotations->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations> */
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TPluseq> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAtExpr#replace_child for (self: AAtExpr, ANode, nullable ANode) */
-void nit__parser_prod___AAtExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#APlusAssignOp#replace_child for (self: APlusAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___APlusAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : nullable AAnnotations */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
-short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
 short int var6 /* : Bool */;
-short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AAtExpr> */
-if (var == NULL) {
-var1 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable AAnnotations> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APlusAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7407);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable AAnnotations(AAnnotations)> */
-var6 = var == var_other;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
 }
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
 }
-var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa AAnnotations */
-cltype = type_nit__AAnnotations.color;
-idtype = type_nit__AAnnotations.id;
+/* <var_new_child:nullable ANode> isa TPluseq */
+cltype = type_nitc__TPluseq.color;
+idtype = type_nitc__TPluseq.id;
 if(var_new_child == NULL) {
-var7 = 0;
+var6 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
-var7 = 0;
+var6 = 0;
 } else {
-var7 = var_new_child->type->type_table[cltype] == idtype;
+var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var7)) {
+if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AAnnotations", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7483);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TPluseq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7408);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AAtExpr___nit__parser_nodes__Prod__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AAtExpr#n_annotations= on <self:AAtExpr>*/
+nitc__parser_prod___APlusAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#APlusAssignOp#n_op= on <self:APlusAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAtExpr#n_annotations= for (self: AAtExpr, nullable AAnnotations) */
-void nit__parser_prod___AAtExpr___nit__parser_nodes__Prod__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
+/* method parser_prod#APlusAssignOp#n_op= for (self: APlusAssignOp, Token) */
+void nitc__parser_prod___APlusAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AAtExpr> */
-if (var_node == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7491);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations> */
-if (unlikely(var_node == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:APlusAssignOp> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAtExpr#visit_all for (self: AAtExpr, Visitor) */
-void nit__parser_prod___AAtExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#APlusAssignOp#visit_all for (self: APlusAssignOp, Visitor) */
+void nitc__parser_prod___APlusAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : nullable AAnnotations */;
+val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AAtExpr> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APlusAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7422);
+fatal_exit(1);
+}
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AManyExpr#init_amanyexpr for (self: AManyExpr, Collection[Object]) */
-void nit__parser_prod___AManyExpr___init_amanyexpr(val* self, val* p0) {
-val* var_n_exprs /* var n_exprs: Collection[Object] */;
-val* var /* : ANodes[AExpr] */;
-val* var3 /* : ANodes[AExpr] */;
+/* method parser_prod#AMinusAssignOp#init_aminusassignop for (self: AMinusAssignOp, nullable TMinuseq) */
+void nitc__parser_prod___AMinusAssignOp___init_aminusassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TMinuseq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AManyExpr> */
+{ /* Inline kernel#Object#init (self) on <self:AMinusAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_exprs = p0;
-{
-{ /* Inline parser_nodes#AManyExpr#n_exprs (self) on <self:AManyExpr> */
-var3 = self->attrs[COLOR_nit__parser_nodes__AManyExpr___n_exprs].val; /* _n_exprs on <self:AManyExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2717);
+var_n_op = p0;
+if (unlikely(var_n_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7430);
 fatal_exit(1);
 }
-var = var3;
-RET_LABEL2:(void)0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AMinusAssignOp> */
+if (var_n_op == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7431);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TMinuseq> */
+if (unlikely(var_n_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
 }
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TMinuseq> */
+RET_LABEL2:(void)0;
 }
-{
-nit___nit__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AManyExpr#replace_child for (self: AManyExpr, ANode, nullable ANode) */
-void nit__parser_prod___AManyExpr___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AMinusAssignOp#replace_child for (self: AMinusAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___AMinusAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
+val* var /* : Token */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-{
-{ /* Inline parser_nodes#AManyExpr#n_exprs (self) on <self:AManyExpr> */
-var2 = self->attrs[COLOR_nit__parser_nodes__AManyExpr___n_exprs].val; /* _n_exprs on <self:AManyExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2717);
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AMinusAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7436);
 fatal_exit(1);
 }
-var = var2;
-RET_LABEL1:(void)0;
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
+}
 }
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
+}
+}
+if (var1){
+/* <var_new_child:nullable ANode> isa TMinuseq */
+cltype = type_nitc__TMinuseq.color;
+idtype = type_nitc__TMinuseq.id;
+if(var_new_child == NULL) {
+var6 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var6 = 0;
+} else {
+var6 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TMinuseq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7437);
+fatal_exit(1);
 }
 {
-var3 = nit___nit__ANodes___replace_child(var, var_old_child, var_new_child);
+nitc__parser_prod___AMinusAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AMinusAssignOp#n_op= on <self:AMinusAssignOp>*/
 }
-if (var3){
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AManyExpr#visit_all for (self: AManyExpr, Visitor) */
-void nit__parser_prod___AManyExpr___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-var_v = p0;
+/* method parser_prod#AMinusAssignOp#n_op= for (self: AMinusAssignOp, Token) */
+void nitc__parser_prod___AMinusAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AMinusAssignOp> */
 {
-{ /* Inline parser_nodes#AManyExpr#n_exprs (self) on <self:AManyExpr> */
-var2 = self->attrs[COLOR_nit__parser_nodes__AManyExpr___n_exprs].val; /* _n_exprs on <self:AManyExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2717);
-fatal_exit(1);
-}
-var = var2;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
+RET_LABEL:;
+}
+/* method parser_prod#AMinusAssignOp#visit_all for (self: AMinusAssignOp, Visitor) */
+void nitc__parser_prod___AMinusAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AMinusAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7451);
+fatal_exit(1);
+}
 {
-nit___nit__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AListExprs#init_alistexprs for (self: AListExprs, Collection[Object]) */
-void nit__parser_prod___AListExprs___init_alistexprs(val* self, val* p0) {
-val* var_n_exprs /* var n_exprs: Collection[Object] */;
-val* var /* : ANodes[AExpr] */;
-val* var3 /* : ANodes[AExpr] */;
+/* method parser_prod#AStarAssignOp#init_astarassignop for (self: AStarAssignOp, nullable TStareq) */
+void nitc__parser_prod___AStarAssignOp___init_astarassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TStareq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AListExprs> */
+{ /* Inline kernel#Object#init (self) on <self:AStarAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_exprs = p0;
-{
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AListExprs> */
-var3 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AListExprs> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
+var_n_op = p0;
+if (unlikely(var_n_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7459);
 fatal_exit(1);
 }
-var = var3;
-RET_LABEL2:(void)0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AStarAssignOp> */
+if (var_n_op == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7460);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TStareq> */
+if (unlikely(var_n_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
 }
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TStareq> */
+RET_LABEL2:(void)0;
 }
-{
-nit___nit__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AListExprs#replace_child for (self: AListExprs, ANode, nullable ANode) */
-void nit__parser_prod___AListExprs___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AStarAssignOp#replace_child for (self: AStarAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___AStarAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
+val* var /* : Token */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-{
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AListExprs> */
-var2 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AListExprs> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7465);
 fatal_exit(1);
 }
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
 {
-var3 = nit___nit__ANodes___replace_child(var, var_old_child, var_new_child);
-}
-if (var3){
-goto RET_LABEL;
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AListExprs#visit_all for (self: AListExprs, Visitor) */
-void nit__parser_prod___AListExprs___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-var_v = p0;
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AListExprs> */
-var2 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AListExprs> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
-fatal_exit(1);
-}
-var = var2;
-RET_LABEL1:(void)0;
-}
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
-{
-nit___nit__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
 }
-RET_LABEL:;
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
 }
-/* method parser_prod#AParExprs#init_aparexprs for (self: AParExprs, nullable TOpar, Collection[Object], nullable TCpar) */
-void nit__parser_prod___AParExprs___init_aparexprs(val* self, val* p0, val* p1, val* p2) {
-val* var_n_opar /* var n_opar: nullable TOpar */;
-val* var_n_exprs /* var n_exprs: Collection[Object] */;
-val* var_n_cpar /* var n_cpar: nullable TCpar */;
-val* var /* : ANodes[AExpr] */;
-val* var4 /* : ANodes[AExpr] */;
-{
-{ /* Inline kernel#Object#init (self) on <self:AParExprs> */
-RET_LABEL1:(void)0;
 }
+if (var1){
+/* <var_new_child:nullable ANode> isa TStareq */
+cltype = type_nitc__TStareq.color;
+idtype = type_nitc__TStareq.id;
+if(var_new_child == NULL) {
+var6 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var6 = 0;
+} else {
+var6 = var_new_child->type->type_table[cltype] == idtype;
 }
-var_n_opar = p0;
-var_n_exprs = p1;
-var_n_cpar = p2;
-if (unlikely(var_n_opar == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7547);
-fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AParExprs___n_opar].val = var_n_opar; /* _n_opar on <self:AParExprs> */
-if (var_n_opar == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7548);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_opar,self) on <var_n_opar:nullable TOpar> */
-if (unlikely(var_n_opar == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TStareq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7466);
 fatal_exit(1);
 }
-var_n_opar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_opar:nullable TOpar> */
-RET_LABEL2:(void)0;
+{
+nitc__parser_prod___AStarAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AStarAssignOp#n_op= on <self:AStarAssignOp>*/
 }
+goto RET_LABEL;
+} else {
+}
+RET_LABEL:;
 }
+/* method parser_prod#AStarAssignOp#n_op= for (self: AStarAssignOp, Token) */
+void nitc__parser_prod___AStarAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AStarAssignOp> */
 {
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AParExprs> */
-var4 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AParExprs> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AStarAssignOp#visit_all for (self: AStarAssignOp, Visitor) */
+void nitc__parser_prod___AStarAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7480);
 fatal_exit(1);
 }
-var = var4;
-RET_LABEL3:(void)0;
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
+/* method parser_prod#ASlashAssignOp#init_aslashassignop for (self: ASlashAssignOp, nullable TSlasheq) */
+void nitc__parser_prod___ASlashAssignOp___init_aslashassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TSlasheq */;
 {
-nit___nit__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
+{ /* Inline kernel#Object#init (self) on <self:ASlashAssignOp> */
+RET_LABEL1:(void)0;
 }
-if (unlikely(var_n_cpar == NULL)) {
+}
+var_n_op = p0;
+if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7550);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7488);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AParExprs___n_cpar].val = var_n_cpar; /* _n_cpar on <self:AParExprs> */
-if (var_n_cpar == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:ASlashAssignOp> */
+if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7551);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7489);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_cpar,self) on <var_n_cpar:nullable TCpar> */
-if (unlikely(var_n_cpar == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TSlasheq> */
+if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_cpar->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cpar:nullable TCpar> */
-RET_LABEL5:(void)0;
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TSlasheq> */
+RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExprs#replace_child for (self: AParExprs, ANode, nullable ANode) */
-void nit__parser_prod___AParExprs___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ASlashAssignOp#replace_child for (self: ASlashAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___ASlashAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TOpar */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -7526,30 +7010,19 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : ANodes[AExpr] */;
-val* var9 /* : ANodes[AExpr] */;
-short int var10 /* : Bool */;
-val* var11 /* : TCpar */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var16 /* : Bool */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
-const char* var_class_name20;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AParExprs___n_opar].val; /* _n_opar on <self:AParExprs> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ASlashAssignOp> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7556);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7494);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TOpar> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TOpar> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -7562,9 +7035,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TOpar */
-cltype = type_nit__TOpar.color;
-idtype = type_nit__TOpar.id;
+/* <var_new_child:nullable ANode> isa TSlasheq */
+cltype = type_nitc__TSlasheq.color;
+idtype = type_nitc__TSlasheq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -7576,232 +7049,209 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TOpar", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7557);
-fatal_exit(1);
-}
-{
-nit__parser_prod___AParExprs___n_opar_61d(self, var_new_child); /* Direct call parser_prod#AParExprs#n_opar= on <self:AParExprs>*/
-}
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AParExprs> */
-var9 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AParExprs> */
-if (unlikely(var9 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TSlasheq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7495);
 fatal_exit(1);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
-}
-}
 {
-var10 = nit___nit__ANodes___replace_child(var7, var_old_child, var_new_child);
+nitc__parser_prod___ASlashAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#ASlashAssignOp#n_op= on <self:ASlashAssignOp>*/
 }
-if (var10){
 goto RET_LABEL;
 } else {
 }
-var11 = self->attrs[COLOR_nit__parser_nodes__AParExprs___n_cpar].val; /* _n_cpar on <self:AParExprs> */
-if (unlikely(var11 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7561);
-fatal_exit(1);
+RET_LABEL:;
 }
+/* method parser_prod#ASlashAssignOp#n_op= for (self: ASlashAssignOp, Token) */
+void nitc__parser_prod___ASlashAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:ASlashAssignOp> */
 {
-{ /* Inline kernel#Object#== (var11,var_old_child) on <var11:TCpar> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var11,var_other) on <var11:TCpar> */
-var16 = var11 == var_other;
-var14 = var16;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
-}
-}
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+RET_LABEL1:(void)0;
 }
-if (var12){
-/* <var_new_child:nullable ANode> isa TCpar */
-cltype18 = type_nit__TCpar.color;
-idtype19 = type_nit__TCpar.id;
-if(var_new_child == NULL) {
-var17 = 0;
-} else {
-if(cltype18 >= var_new_child->type->table_size) {
-var17 = 0;
-} else {
-var17 = var_new_child->type->type_table[cltype18] == idtype19;
 }
+RET_LABEL:;
 }
-if (unlikely(!var17)) {
-var_class_name20 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCpar", var_class_name20);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7562);
+/* method parser_prod#ASlashAssignOp#visit_all for (self: ASlashAssignOp, Visitor) */
+void nitc__parser_prod___ASlashAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ASlashAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7509);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AParExprs___n_cpar_61d(self, var_new_child); /* Direct call parser_prod#AParExprs#n_cpar= on <self:AParExprs>*/
-}
-goto RET_LABEL;
-} else {
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExprs#n_opar= for (self: AParExprs, TOpar) */
-void nit__parser_prod___AParExprs___n_opar_61d(val* self, val* p0) {
-val* var_node /* var node: TOpar */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AParExprs___n_opar].val = var_node; /* _n_opar on <self:AParExprs> */
+/* method parser_prod#APercentAssignOp#init_apercentassignop for (self: APercentAssignOp, nullable TPercenteq) */
+void nitc__parser_prod___APercentAssignOp___init_apercentassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TPercenteq */;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TOpar> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TOpar> */
+{ /* Inline kernel#Object#init (self) on <self:APercentAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
-RET_LABEL:;
+var_n_op = p0;
+if (unlikely(var_n_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7517);
+fatal_exit(1);
 }
-/* method parser_prod#AParExprs#n_cpar= for (self: AParExprs, TCpar) */
-void nit__parser_prod___AParExprs___n_cpar_61d(val* self, val* p0) {
-val* var_node /* var node: TCpar */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AParExprs___n_cpar].val = var_node; /* _n_cpar on <self:AParExprs> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TCpar> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TCpar> */
-RET_LABEL1:(void)0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:APercentAssignOp> */
+if (var_n_op == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7518);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TPercenteq> */
+if (unlikely(var_n_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TPercenteq> */
+RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParExprs#visit_all for (self: AParExprs, Visitor) */
-void nit__parser_prod___AParExprs___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TOpar */;
-val* var1 /* : ANodes[AExpr] */;
-val* var3 /* : ANodes[AExpr] */;
-val* var4 /* : TCpar */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AParExprs___n_opar].val; /* _n_opar on <self:AParExprs> */
+/* method parser_prod#APercentAssignOp#replace_child for (self: APercentAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___APercentAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : Token */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APercentAssignOp> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_opar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7581);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7523);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:AParExprs> */
-var3 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:AParExprs> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
-fatal_exit(1);
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
+}
 }
 var1 = var3;
+goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
 }
-{
-nit___nit__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AExpr]>*/
+if (var1){
+/* <var_new_child:nullable ANode> isa TPercenteq */
+cltype = type_nitc__TPercenteq.color;
+idtype = type_nitc__TPercenteq.id;
+if(var_new_child == NULL) {
+var6 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var6 = 0;
+} else {
+var6 = var_new_child->type->type_table[cltype] == idtype;
 }
-var4 = self->attrs[COLOR_nit__parser_nodes__AParExprs___n_cpar].val; /* _n_cpar on <self:AParExprs> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cpar");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7583);
+}
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TPercenteq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7524);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc__parser_prod___APercentAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#APercentAssignOp#n_op= on <self:APercentAssignOp>*/
+}
+goto RET_LABEL;
+} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABraExprs#init_abraexprs for (self: ABraExprs, nullable TObra, Collection[Object], nullable TCbra) */
-void nit__parser_prod___ABraExprs___init_abraexprs(val* self, val* p0, val* p1, val* p2) {
-val* var_n_obra /* var n_obra: nullable TObra */;
-val* var_n_exprs /* var n_exprs: Collection[Object] */;
-val* var_n_cbra /* var n_cbra: nullable TCbra */;
-val* var /* : ANodes[AExpr] */;
-val* var4 /* : ANodes[AExpr] */;
+/* method parser_prod#APercentAssignOp#n_op= for (self: APercentAssignOp, Token) */
+void nitc__parser_prod___APercentAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:APercentAssignOp> */
 {
-{ /* Inline kernel#Object#init (self) on <self:ABraExprs> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_obra = p0;
-var_n_exprs = p1;
-var_n_cbra = p2;
-if (unlikely(var_n_obra == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7593);
-fatal_exit(1);
-}
-self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_obra].val = var_n_obra; /* _n_obra on <self:ABraExprs> */
-if (var_n_obra == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7594);
-fatal_exit(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_obra,self) on <var_n_obra:nullable TObra> */
-if (unlikely(var_n_obra == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
-}
-var_n_obra->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_obra:nullable TObra> */
-RET_LABEL2:(void)0;
-}
+RET_LABEL:;
 }
-{
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:ABraExprs> */
-var4 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:ABraExprs> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
+/* method parser_prod#APercentAssignOp#visit_all for (self: APercentAssignOp, Visitor) */
+void nitc__parser_prod___APercentAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APercentAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7538);
 fatal_exit(1);
 }
-var = var4;
-RET_LABEL3:(void)0;
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
+/* method parser_prod#AStarstarAssignOp#init_astarstarassignop for (self: AStarstarAssignOp, nullable TStarstareq) */
+void nitc__parser_prod___AStarstarAssignOp___init_astarstarassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TStarstareq */;
 {
-nit___nit__ANodes___unsafe_add_all(var, var_n_exprs); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
+{ /* Inline kernel#Object#init (self) on <self:AStarstarAssignOp> */
+RET_LABEL1:(void)0;
 }
-if (unlikely(var_n_cbra == NULL)) {
+}
+var_n_op = p0;
+if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7596);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7546);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_cbra].val = var_n_cbra; /* _n_cbra on <self:ABraExprs> */
-if (var_n_cbra == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AStarstarAssignOp> */
+if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7597);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7547);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_cbra,self) on <var_n_cbra:nullable TCbra> */
-if (unlikely(var_n_cbra == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TStarstareq> */
+if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_cbra->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_cbra:nullable TCbra> */
-RET_LABEL5:(void)0;
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TStarstareq> */
+RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABraExprs#replace_child for (self: ABraExprs, ANode, nullable ANode) */
-void nit__parser_prod___ABraExprs___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AStarstarAssignOp#replace_child for (self: AStarstarAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___AStarstarAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TObra */;
+val* var /* : Token */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -7810,30 +7260,19 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : ANodes[AExpr] */;
-val* var9 /* : ANodes[AExpr] */;
-short int var10 /* : Bool */;
-val* var11 /* : TCbra */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var16 /* : Bool */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
-const char* var_class_name20;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_obra].val; /* _n_obra on <self:ABraExprs> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarstarAssignOp> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_obra");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7602);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7552);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TObra> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TObra> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -7846,9 +7285,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TObra */
-cltype = type_nit__TObra.color;
-idtype = type_nit__TObra.id;
+/* <var_new_child:nullable ANode> isa TStarstareq */
+cltype = type_nitc__TStarstareq.color;
+idtype = type_nitc__TStarstareq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -7860,187 +7299,81 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TObra", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7603);
-fatal_exit(1);
-}
-{
-nit__parser_prod___ABraExprs___n_obra_61d(self, var_new_child); /* Direct call parser_prod#ABraExprs#n_obra= on <self:ABraExprs>*/
-}
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:ABraExprs> */
-var9 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:ABraExprs> */
-if (unlikely(var9 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
-fatal_exit(1);
-}
-var7 = var9;
-RET_LABEL8:(void)0;
-}
-}
-{
-var10 = nit___nit__ANodes___replace_child(var7, var_old_child, var_new_child);
-}
-if (var10){
-goto RET_LABEL;
-} else {
-}
-var11 = self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_cbra].val; /* _n_cbra on <self:ABraExprs> */
-if (unlikely(var11 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cbra");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7607);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var11,var_old_child) on <var11:TCbra> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var11,var_other) on <var11:TCbra> */
-var16 = var11 == var_other;
-var14 = var16;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
-}
-}
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-}
-if (var12){
-/* <var_new_child:nullable ANode> isa TCbra */
-cltype18 = type_nit__TCbra.color;
-idtype19 = type_nit__TCbra.id;
-if(var_new_child == NULL) {
-var17 = 0;
-} else {
-if(cltype18 >= var_new_child->type->table_size) {
-var17 = 0;
-} else {
-var17 = var_new_child->type->type_table[cltype18] == idtype19;
-}
-}
-if (unlikely(!var17)) {
-var_class_name20 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCbra", var_class_name20);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7608);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TStarstareq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7553);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ABraExprs___n_cbra_61d(self, var_new_child); /* Direct call parser_prod#ABraExprs#n_cbra= on <self:ABraExprs>*/
+nitc__parser_prod___AStarstarAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AStarstarAssignOp#n_op= on <self:AStarstarAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABraExprs#n_obra= for (self: ABraExprs, TObra) */
-void nit__parser_prod___ABraExprs___n_obra_61d(val* self, val* p0) {
-val* var_node /* var node: TObra */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_obra].val = var_node; /* _n_obra on <self:ABraExprs> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TObra> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TObra> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#ABraExprs#n_cbra= for (self: ABraExprs, TCbra) */
-void nit__parser_prod___ABraExprs___n_cbra_61d(val* self, val* p0) {
-val* var_node /* var node: TCbra */;
+/* method parser_prod#AStarstarAssignOp#n_op= for (self: AStarstarAssignOp, Token) */
+void nitc__parser_prod___AStarstarAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_cbra].val = var_node; /* _n_cbra on <self:ABraExprs> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AStarstarAssignOp> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TCbra> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TCbra> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABraExprs#visit_all for (self: ABraExprs, Visitor) */
-void nit__parser_prod___ABraExprs___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AStarstarAssignOp#visit_all for (self: AStarstarAssignOp, Visitor) */
+void nitc__parser_prod___AStarstarAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TObra */;
-val* var1 /* : ANodes[AExpr] */;
-val* var3 /* : ANodes[AExpr] */;
-val* var4 /* : TCbra */;
+val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_obra].val; /* _n_obra on <self:ABraExprs> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarstarAssignOp> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_obra");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7627);
-fatal_exit(1);
-}
-{
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-{
-{ /* Inline parser_nodes#AExprs#n_exprs (self) on <self:ABraExprs> */
-var3 = self->attrs[COLOR_nit__parser_nodes__AExprs___n_exprs].val; /* _n_exprs on <self:ABraExprs> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2771);
-fatal_exit(1);
-}
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-{
-nit___nit__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AExpr]>*/
-}
-var4 = self->attrs[COLOR_nit__parser_nodes__ABraExprs___n_cbra].val; /* _n_cbra on <self:ABraExprs> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_cbra");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7629);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7567);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#APlusAssignOp#init_aplusassignop for (self: APlusAssignOp, nullable TPluseq) */
-void nit__parser_prod___APlusAssignOp___init_aplusassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TPluseq */;
+/* method parser_prod#APipeAssignOp#init_apipeassignop for (self: APipeAssignOp, nullable TPipeeq) */
+void nitc__parser_prod___APipeAssignOp___init_apipeassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TPipeeq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:APlusAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:APipeAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
 var_n_op = p0;
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7637);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7575);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:APlusAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:APipeAssignOp> */
 if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7638);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7576);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TPluseq> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TPipeeq> */
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TPluseq> */
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TPipeeq> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#APlusAssignOp#replace_child for (self: APlusAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___APlusAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#APipeAssignOp#replace_child for (self: APipeAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___APipeAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : Token */;
@@ -8054,10 +7387,10 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APlusAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APipeAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7643);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7581);
 fatal_exit(1);
 }
 {
@@ -8077,9 +7410,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TPluseq */
-cltype = type_nit__TPluseq.color;
-idtype = type_nit__TPluseq.id;
+/* <var_new_child:nullable ANode> isa TPipeeq */
+cltype = type_nitc__TPipeeq.color;
+idtype = type_nitc__TPipeeq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -8091,81 +7424,81 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TPluseq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7644);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TPipeeq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7582);
 fatal_exit(1);
 }
 {
-nit__parser_prod___APlusAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#APlusAssignOp#n_op= on <self:APlusAssignOp>*/
+nitc__parser_prod___APipeAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#APipeAssignOp#n_op= on <self:APipeAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#APlusAssignOp#n_op= for (self: APlusAssignOp, Token) */
-void nit__parser_prod___APlusAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+/* method parser_prod#APipeAssignOp#n_op= for (self: APipeAssignOp, Token) */
+void nitc__parser_prod___APipeAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
 val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:APlusAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:APipeAssignOp> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#APlusAssignOp#visit_all for (self: APlusAssignOp, Visitor) */
-void nit__parser_prod___APlusAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#APipeAssignOp#visit_all for (self: APipeAssignOp, Visitor) */
+void nitc__parser_prod___APipeAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APlusAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APipeAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7658);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7596);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMinusAssignOp#init_aminusassignop for (self: AMinusAssignOp, nullable TMinuseq) */
-void nit__parser_prod___AMinusAssignOp___init_aminusassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TMinuseq */;
+/* method parser_prod#ACaretAssignOp#init_acaretassignop for (self: ACaretAssignOp, nullable TCareteq) */
+void nitc__parser_prod___ACaretAssignOp___init_acaretassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TCareteq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AMinusAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:ACaretAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
 var_n_op = p0;
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7666);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7604);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AMinusAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:ACaretAssignOp> */
 if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7667);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7605);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TMinuseq> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TCareteq> */
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TMinuseq> */
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TCareteq> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMinusAssignOp#replace_child for (self: AMinusAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___AMinusAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ACaretAssignOp#replace_child for (self: ACaretAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___ACaretAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : Token */;
@@ -8179,10 +7512,10 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AMinusAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ACaretAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7672);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7610);
 fatal_exit(1);
 }
 {
@@ -8202,9 +7535,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TMinuseq */
-cltype = type_nit__TMinuseq.color;
-idtype = type_nit__TMinuseq.id;
+/* <var_new_child:nullable ANode> isa TCareteq */
+cltype = type_nitc__TCareteq.color;
+idtype = type_nitc__TCareteq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -8216,81 +7549,81 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TMinuseq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7673);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCareteq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7611);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AMinusAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AMinusAssignOp#n_op= on <self:AMinusAssignOp>*/
+nitc__parser_prod___ACaretAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#ACaretAssignOp#n_op= on <self:ACaretAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMinusAssignOp#n_op= for (self: AMinusAssignOp, Token) */
-void nit__parser_prod___AMinusAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+/* method parser_prod#ACaretAssignOp#n_op= for (self: ACaretAssignOp, Token) */
+void nitc__parser_prod___ACaretAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
 val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AMinusAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:ACaretAssignOp> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AMinusAssignOp#visit_all for (self: AMinusAssignOp, Visitor) */
-void nit__parser_prod___AMinusAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ACaretAssignOp#visit_all for (self: ACaretAssignOp, Visitor) */
+void nitc__parser_prod___ACaretAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AMinusAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ACaretAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7687);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7625);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarAssignOp#init_astarassignop for (self: AStarAssignOp, nullable TStareq) */
-void nit__parser_prod___AStarAssignOp___init_astarassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TStareq */;
+/* method parser_prod#AAmpAssignOp#init_aampassignop for (self: AAmpAssignOp, nullable TAmpeq) */
+void nitc__parser_prod___AAmpAssignOp___init_aampassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TAmpeq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AStarAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:AAmpAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
 var_n_op = p0;
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7695);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7633);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AStarAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AAmpAssignOp> */
 if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7696);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7634);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TStareq> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TAmpeq> */
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TStareq> */
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TAmpeq> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarAssignOp#replace_child for (self: AStarAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___AStarAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAmpAssignOp#replace_child for (self: AAmpAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___AAmpAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : Token */;
@@ -8304,10 +7637,10 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AAmpAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7701);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7639);
 fatal_exit(1);
 }
 {
@@ -8327,9 +7660,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TStareq */
-cltype = type_nit__TStareq.color;
-idtype = type_nit__TStareq.id;
+/* <var_new_child:nullable ANode> isa TAmpeq */
+cltype = type_nitc__TAmpeq.color;
+idtype = type_nitc__TAmpeq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -8341,81 +7674,81 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TStareq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7702);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAmpeq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7640);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AStarAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AStarAssignOp#n_op= on <self:AStarAssignOp>*/
+nitc__parser_prod___AAmpAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AAmpAssignOp#n_op= on <self:AAmpAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarAssignOp#n_op= for (self: AStarAssignOp, Token) */
-void nit__parser_prod___AStarAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+/* method parser_prod#AAmpAssignOp#n_op= for (self: AAmpAssignOp, Token) */
+void nitc__parser_prod___AAmpAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
 val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AStarAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AAmpAssignOp> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarAssignOp#visit_all for (self: AStarAssignOp, Visitor) */
-void nit__parser_prod___AStarAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AAmpAssignOp#visit_all for (self: AAmpAssignOp, Visitor) */
+void nitc__parser_prod___AAmpAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AAmpAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7716);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7654);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASlashAssignOp#init_aslashassignop for (self: ASlashAssignOp, nullable TSlasheq) */
-void nit__parser_prod___ASlashAssignOp___init_aslashassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TSlasheq */;
+/* method parser_prod#ALlAssignOp#init_allassignop for (self: ALlAssignOp, nullable TLleq) */
+void nitc__parser_prod___ALlAssignOp___init_allassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TLleq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ASlashAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:ALlAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
 var_n_op = p0;
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7724);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7662);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:ASlashAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:ALlAssignOp> */
 if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7725);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7663);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TSlasheq> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TLleq> */
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TSlasheq> */
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TLleq> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASlashAssignOp#replace_child for (self: ASlashAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___ASlashAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ALlAssignOp#replace_child for (self: ALlAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___ALlAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : Token */;
@@ -8429,10 +7762,10 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ASlashAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ALlAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7730);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7668);
 fatal_exit(1);
 }
 {
@@ -8452,9 +7785,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TSlasheq */
-cltype = type_nit__TSlasheq.color;
-idtype = type_nit__TSlasheq.id;
+/* <var_new_child:nullable ANode> isa TLleq */
+cltype = type_nitc__TLleq.color;
+idtype = type_nitc__TLleq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -8466,81 +7799,81 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TSlasheq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7731);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TLleq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7669);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ASlashAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#ASlashAssignOp#n_op= on <self:ASlashAssignOp>*/
+nitc__parser_prod___ALlAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#ALlAssignOp#n_op= on <self:ALlAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASlashAssignOp#n_op= for (self: ASlashAssignOp, Token) */
-void nit__parser_prod___ASlashAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+/* method parser_prod#ALlAssignOp#n_op= for (self: ALlAssignOp, Token) */
+void nitc__parser_prod___ALlAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
 val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:ASlashAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:ALlAssignOp> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASlashAssignOp#visit_all for (self: ASlashAssignOp, Visitor) */
-void nit__parser_prod___ASlashAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ALlAssignOp#visit_all for (self: ALlAssignOp, Visitor) */
+void nitc__parser_prod___ALlAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : Token */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ASlashAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ALlAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7745);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7683);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#APercentAssignOp#init_apercentassignop for (self: APercentAssignOp, nullable TPercenteq) */
-void nit__parser_prod___APercentAssignOp___init_apercentassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TPercenteq */;
+/* method parser_prod#AGgAssignOp#init_aggassignop for (self: AGgAssignOp, nullable TGgeq) */
+void nitc__parser_prod___AGgAssignOp___init_aggassignop(val* self, val* p0) {
+val* var_n_op /* var n_op: nullable TGgeq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:APercentAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:AGgAssignOp> */
 RET_LABEL1:(void)0;
 }
 }
 var_n_op = p0;
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7753);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7691);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:APercentAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AGgAssignOp> */
 if (var_n_op == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7754);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7692);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TPercenteq> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TGgeq> */
 if (unlikely(var_n_op == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TPercenteq> */
+var_n_op->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TGgeq> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#APercentAssignOp#replace_child for (self: APercentAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___APercentAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AGgAssignOp#replace_child for (self: AGgAssignOp, ANode, nullable ANode) */
+void nitc__parser_prod___AGgAssignOp___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : Token */;
@@ -8554,10 +7887,10 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APercentAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AGgAssignOp> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7759);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7697);
 fatal_exit(1);
 }
 {
@@ -8577,9 +7910,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TPercenteq */
-cltype = type_nit__TPercenteq.color;
-idtype = type_nit__TPercenteq.id;
+/* <var_new_child:nullable ANode> isa TGgeq */
+cltype = type_nitc__TGgeq.color;
+idtype = type_nitc__TGgeq.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -8591,459 +7924,703 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TPercenteq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7760);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TGgeq", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7698);
 fatal_exit(1);
 }
 {
-nit__parser_prod___APercentAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#APercentAssignOp#n_op= on <self:APercentAssignOp>*/
+nitc__parser_prod___AGgAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AGgAssignOp#n_op= on <self:AGgAssignOp>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#APercentAssignOp#n_op= for (self: APercentAssignOp, Token) */
-void nit__parser_prod___APercentAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
+/* method parser_prod#AGgAssignOp#n_op= for (self: AGgAssignOp, Token) */
+void nitc__parser_prod___AGgAssignOp___nitc__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
 val* var_node /* var node: Token */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:APercentAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AGgAssignOp> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AGgAssignOp#visit_all for (self: AGgAssignOp, Visitor) */
+void nitc__parser_prod___AGgAssignOp___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : Token */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AGgAssignOp> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7712);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#AForGroup#init_aforgroup for (self: AForGroup, Collection[Object], nullable TKwin, nullable AExpr) */
+void nitc__parser_prod___AForGroup___init_aforgroup(val* self, val* p0, val* p1, val* p2) {
+val* var_n_ids /* var n_ids: Collection[Object] */;
+val* var_n_kwin /* var n_kwin: nullable TKwin */;
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var /* : ANodes[TId] */;
+val* var3 /* : ANodes[TId] */;
+{
+{ /* Inline kernel#Object#init (self) on <self:AForGroup> */
 RET_LABEL1:(void)0;
 }
 }
-RET_LABEL:;
+var_n_ids = p0;
+var_n_kwin = p1;
+var_n_expr = p2;
+{
+{ /* Inline parser_nodes#AForGroup#n_ids (self) on <self:AForGroup> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_ids].val; /* _n_ids on <self:AForGroup> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1937);
+fatal_exit(1);
+}
+var = var3;
+RET_LABEL2:(void)0;
 }
-/* method parser_prod#APercentAssignOp#visit_all for (self: APercentAssignOp, Visitor) */
-void nit__parser_prod___APercentAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : Token */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APercentAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7774);
-fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_ids); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[TId]>*/
 }
-RET_LABEL:;
+if (unlikely(var_n_kwin == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7723);
+fatal_exit(1);
 }
-/* method parser_prod#AStarstarAssignOp#init_astarstarassignop for (self: AStarstarAssignOp, nullable TStarstareq) */
-void nit__parser_prod___AStarstarAssignOp___init_astarstarassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TStarstareq */;
-{
-{ /* Inline kernel#Object#init (self) on <self:AStarstarAssignOp> */
-RET_LABEL1:(void)0;
+self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_kwin].val = var_n_kwin; /* _n_kwin on <self:AForGroup> */
+if (var_n_kwin == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7724);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwin,self) on <var_n_kwin:nullable TKwin> */
+if (unlikely(var_n_kwin == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
 }
+var_n_kwin->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwin:nullable TKwin> */
+RET_LABEL4:(void)0;
 }
-var_n_op = p0;
-if (unlikely(var_n_op == NULL)) {
+}
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7782);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7725);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AStarstarAssignOp> */
-if (var_n_op == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_expr].val = var_n_expr; /* _n_expr on <self:AForGroup> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7726);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TStarstareq> */
-if (unlikely(var_n_op == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TStarstareq> */
-RET_LABEL2:(void)0;
+var_n_expr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL5:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarstarAssignOp#replace_child for (self: AStarstarAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___AStarstarAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AForGroup#replace_child for (self: AForGroup, ANode, nullable ANode) */
+void nitc__parser_prod___AForGroup___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
-short int var1 /* : Bool */;
-val* var_other /* var other: nullable Object */;
+val* var /* : ANodes[TId] */;
+val* var2 /* : ANodes[TId] */;
 short int var3 /* : Bool */;
+val* var4 /* : TKwin */;
 short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var7 /* : Bool */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var11 /* : AExpr */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var16 /* : Bool */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarstarAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7788);
+{
+{ /* Inline parser_nodes#AForGroup#n_ids (self) on <self:AForGroup> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_ids].val; /* _n_ids on <self:AForGroup> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1937);
 fatal_exit(1);
 }
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+var3 = nitc___nitc__ANodes___replace_child(var, var_old_child, var_new_child);
+}
+if (var3){
+goto RET_LABEL;
+} else {
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_kwin].val; /* _n_kwin on <self:AForGroup> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwin");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7732);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var4,var_old_child) on <var4:TKwin> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var4,var_other) on <var4:TKwin> */
+var9 = var4 == var_other;
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
 }
 }
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var5 = var7;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
 }
 }
-if (var1){
-/* <var_new_child:nullable ANode> isa TStarstareq */
-cltype = type_nit__TStarstareq.color;
-idtype = type_nit__TStarstareq.id;
+if (var5){
+/* <var_new_child:nullable ANode> isa TKwin */
+cltype = type_nitc__TKwin.color;
+idtype = type_nitc__TKwin.id;
 if(var_new_child == NULL) {
-var6 = 0;
+var10 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
+var10 = 0;
 } else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
+var10 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var6)) {
+if (unlikely(!var10)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TStarstareq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7789);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwin", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7733);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AForGroup___n_kwin_61d(self, var_new_child); /* Direct call parser_prod#AForGroup#n_kwin= on <self:AForGroup>*/
+}
+goto RET_LABEL;
+} else {
+}
+var11 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_expr].val; /* _n_expr on <self:AForGroup> */
+if (unlikely(var11 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7736);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var11,var_old_child) on <var11:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var11,var_other) on <var11:AExpr> */
+var16 = var11 == var_other;
+var14 = var16;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
+}
+}
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+if (var12){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype18 = type_nitc__AExpr.color;
+idtype19 = type_nitc__AExpr.id;
+if(var_new_child == NULL) {
+var17 = 0;
+} else {
+if(cltype18 >= var_new_child->type->table_size) {
+var17 = 0;
+} else {
+var17 = var_new_child->type->type_table[cltype18] == idtype19;
+}
+}
+if (unlikely(!var17)) {
+var_class_name20 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7737);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AStarstarAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AStarstarAssignOp#n_op= on <self:AStarstarAssignOp>*/
+nitc__parser_prod___AForGroup___n_expr_61d(self, var_new_child); /* Direct call parser_prod#AForGroup#n_expr= on <self:AForGroup>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarstarAssignOp#n_op= for (self: AStarstarAssignOp, Token) */
-void nit__parser_prod___AStarstarAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
+/* method parser_prod#AForGroup#n_kwin= for (self: AForGroup, TKwin) */
+void nitc__parser_prod___AForGroup___n_kwin_61d(val* self, val* p0) {
+val* var_node /* var node: TKwin */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AStarstarAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_kwin].val = var_node; /* _n_kwin on <self:AForGroup> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwin> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwin> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AStarstarAssignOp#visit_all for (self: AStarstarAssignOp, Visitor) */
-void nit__parser_prod___AStarstarAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AForGroup#n_expr= for (self: AForGroup, AExpr) */
+void nitc__parser_prod___AForGroup___n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_expr].val = var_node; /* _n_expr on <self:AForGroup> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AForGroup#visit_all for (self: AForGroup, Visitor) */
+void nitc__parser_prod___AForGroup___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : Token */;
+val* var /* : ANodes[TId] */;
+val* var2 /* : ANodes[TId] */;
+val* var3 /* : TKwin */;
+val* var4 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AStarstarAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7803);
+{
+{ /* Inline parser_nodes#AForGroup#n_ids (self) on <self:AForGroup> */
+var2 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_ids].val; /* _n_ids on <self:AForGroup> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1937);
+fatal_exit(1);
+}
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[TId]>*/
+}
+var3 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_kwin].val; /* _n_kwin on <self:AForGroup> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwin");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7757);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_expr].val; /* _n_expr on <self:AForGroup> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7758);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#APipeAssignOp#init_apipeassignop for (self: APipeAssignOp, nullable TPipeeq) */
-void nit__parser_prod___APipeAssignOp___init_apipeassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TPipeeq */;
+/* method parser_prod#AModuleName#init_amodulename for (self: AModuleName, nullable TQuad, Collection[Object], nullable TId) */
+void nitc__parser_prod___AModuleName___init_amodulename(val* self, val* p0, val* p1, val* p2) {
+val* var_n_quad /* var n_quad: nullable TQuad */;
+val* var_n_path /* var n_path: Collection[Object] */;
+val* var_n_id /* var n_id: nullable TId */;
+short int var /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var5 /* : Bool */;
+val* var7 /* : ANodes[TId] */;
+val* var9 /* : ANodes[TId] */;
 {
-{ /* Inline kernel#Object#init (self) on <self:APipeAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:AModuleName> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_op = p0;
-if (unlikely(var_n_op == NULL)) {
+var_n_quad = p0;
+var_n_path = p1;
+var_n_id = p2;
+self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_quad].val = var_n_quad; /* _n_quad on <self:AModuleName> */
+if (var_n_quad == NULL) {
+var = 0; /* is null */
+} else {
+var = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_quad,((val*)NULL)) on <var_n_quad:nullable TQuad> */
+var_other = ((val*)NULL);
+{
+var4 = ((short int(*)(val* self, val* p0))(var_n_quad->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_quad, var_other); /* == on <var_n_quad:nullable TQuad(TQuad)>*/
+}
+var5 = !var4;
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+var = var2;
+}
+if (var){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_n_quad,self) on <var_n_quad:nullable TQuad(TQuad)> */
+var_n_quad->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_quad:nullable TQuad(TQuad)> */
+RET_LABEL6:(void)0;
+}
+}
+} else {
+}
+{
+{ /* Inline parser_nodes#AModuleName#n_path (self) on <self:AModuleName> */
+var9 = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_path].val; /* _n_path on <self:AModuleName> */
+if (unlikely(var9 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_path");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2835);
+fatal_exit(1);
+}
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___unsafe_add_all(var7, var_n_path); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var7:ANodes[TId]>*/
+}
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7811);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7771);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:APipeAssignOp> */
-if (var_n_op == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_id].val = var_n_id; /* _n_id on <self:AModuleName> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7812);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7772);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TPipeeq> */
-if (unlikely(var_n_op == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TPipeeq> */
-RET_LABEL2:(void)0;
+var_n_id->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
+RET_LABEL10:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#APipeAssignOp#replace_child for (self: APipeAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___APipeAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AModuleName#replace_child for (self: AModuleName, ANode, nullable ANode) */
+void nitc__parser_prod___AModuleName___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
+val* var /* : nullable TQuad */;
 short int var1 /* : Bool */;
+short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
+short int var4 /* : Bool */;
 short int var6 /* : Bool */;
+short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var8 /* : ANodes[TId] */;
+val* var10 /* : ANodes[TId] */;
+short int var11 /* : Bool */;
+val* var12 /* : TId */;
+short int var13 /* : Bool */;
+short int var15 /* : Bool */;
+short int var17 /* : Bool */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+const char* var_class_name21;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APipeAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7817);
-fatal_exit(1);
-}
-{
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+var = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_quad].val; /* _n_quad on <self:AModuleName> */
+if (var == NULL) {
+var1 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable TQuad> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable TQuad(TQuad)> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
+var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TPipeeq */
-cltype = type_nit__TPipeeq.color;
-idtype = type_nit__TPipeeq.id;
+/* <var_new_child:nullable ANode> isa nullable TQuad */
+cltype = type_nullable__nitc__TQuad.color;
+idtype = type_nullable__nitc__TQuad.id;
 if(var_new_child == NULL) {
-var6 = 0;
+var7 = 1;
 } else {
 if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
+var7 = 0;
 } else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var6)) {
+if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TPipeeq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7818);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TQuad", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7778);
 fatal_exit(1);
 }
 {
-nit__parser_prod___APipeAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#APipeAssignOp#n_op= on <self:APipeAssignOp>*/
+nitc__parser_prod___AModuleName___n_quad_61d(self, var_new_child); /* Direct call parser_prod#AModuleName#n_quad= on <self:AModuleName>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
-}
-/* method parser_prod#APipeAssignOp#n_op= for (self: APipeAssignOp, Token) */
-void nit__parser_prod___APipeAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:APipeAssignOp> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
-RET_LABEL1:(void)0;
-}
+{ /* Inline parser_nodes#AModuleName#n_path (self) on <self:AModuleName> */
+var10 = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_path].val; /* _n_path on <self:AModuleName> */
+if (unlikely(var10 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_path");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2835);
+fatal_exit(1);
 }
-RET_LABEL:;
+var8 = var10;
+RET_LABEL9:(void)0;
 }
-/* method parser_prod#APipeAssignOp#visit_all for (self: APipeAssignOp, Visitor) */
-void nit__parser_prod___APipeAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : Token */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:APipeAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7832);
-fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+var11 = nitc___nitc__ANodes___replace_child(var8, var_old_child, var_new_child);
 }
-RET_LABEL:;
+if (var11){
+goto RET_LABEL;
+} else {
+}
+var12 = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_id].val; /* _n_id on <self:AModuleName> */
+if (unlikely(var12 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7782);
+fatal_exit(1);
 }
-/* method parser_prod#ACaretAssignOp#init_acaretassignop for (self: ACaretAssignOp, nullable TCareteq) */
-void nit__parser_prod___ACaretAssignOp___init_acaretassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TCareteq */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ACaretAssignOp> */
-RET_LABEL1:(void)0;
+{ /* Inline kernel#Object#== (var12,var_old_child) on <var12:TId> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var12,var_other) on <var12:TId> */
+var17 = var12 == var_other;
+var15 = var17;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
 }
-var_n_op = p0;
-if (unlikely(var_n_op == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7840);
-fatal_exit(1);
+var13 = var15;
+goto RET_LABEL14;
+RET_LABEL14:(void)0;
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:ACaretAssignOp> */
-if (var_n_op == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7841);
-fatal_exit(1);
+}
+if (var13){
+/* <var_new_child:nullable ANode> isa TId */
+cltype19 = type_nitc__TId.color;
+idtype20 = type_nitc__TId.id;
+if(var_new_child == NULL) {
+var18 = 0;
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TCareteq> */
-if (unlikely(var_n_op == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+if(cltype19 >= var_new_child->type->table_size) {
+var18 = 0;
+} else {
+var18 = var_new_child->type->type_table[cltype19] == idtype20;
+}
+}
+if (unlikely(!var18)) {
+var_class_name21 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name21);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7783);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TCareteq> */
-RET_LABEL2:(void)0;
+{
+nitc__parser_prod___AModuleName___n_id_61d(self, var_new_child); /* Direct call parser_prod#AModuleName#n_id= on <self:AModuleName>*/
 }
+goto RET_LABEL;
+} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ACaretAssignOp#replace_child for (self: ACaretAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___ACaretAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
+/* method parser_prod#AModuleName#n_quad= for (self: AModuleName, nullable TQuad) */
+void nitc__parser_prod___AModuleName___n_quad_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TQuad */;
+short int var /* : Bool */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ACaretAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7846);
-fatal_exit(1);
+short int var4 /* : Bool */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_quad].val = var_node; /* _n_quad on <self:AModuleName> */
+if (var_node == NULL) {
+var = 0; /* is null */
+} else {
+var = 1; /* arg is null and recv is not */
 }
+if (0) {
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TQuad> */
+var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TQuad(TQuad)>*/
 }
-var1 = var3;
+var4 = !var3;
+var1 = var4;
 goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
+var = var1;
 }
-if (var1){
-/* <var_new_child:nullable ANode> isa TCareteq */
-cltype = type_nit__TCareteq.color;
-idtype = type_nit__TCareteq.id;
-if(var_new_child == NULL) {
-var6 = 0;
-} else {
-if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
-} else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
-}
-}
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TCareteq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7847);
-fatal_exit(1);
-}
+if (var){
 {
-nit__parser_prod___ACaretAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#ACaretAssignOp#n_op= on <self:ACaretAssignOp>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TQuad(TQuad)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TQuad(TQuad)> */
+RET_LABEL5:(void)0;
+}
 }
-goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ACaretAssignOp#n_op= for (self: ACaretAssignOp, Token) */
-void nit__parser_prod___ACaretAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
+/* method parser_prod#AModuleName#n_id= for (self: AModuleName, TId) */
+void nitc__parser_prod___AModuleName___n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TId */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:ACaretAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_id].val = var_node; /* _n_id on <self:AModuleName> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ACaretAssignOp#visit_all for (self: ACaretAssignOp, Visitor) */
-void nit__parser_prod___ACaretAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AModuleName#visit_all for (self: AModuleName, Visitor) */
+void nitc__parser_prod___AModuleName___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : Token */;
+val* var /* : nullable TQuad */;
+val* var1 /* : ANodes[TId] */;
+val* var3 /* : ANodes[TId] */;
+val* var4 /* : TId */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ACaretAssignOp> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7861);
+var = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_quad].val; /* _n_quad on <self:AModuleName> */
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+{
+{ /* Inline parser_nodes#AModuleName#n_path (self) on <self:AModuleName> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_path].val; /* _n_path on <self:AModuleName> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_path");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2835);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[TId]>*/
+}
+var4 = self->attrs[COLOR_nitc__parser_nodes__AModuleName___n_id].val; /* _n_id on <self:AModuleName> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7804);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAmpAssignOp#init_aampassignop for (self: AAmpAssignOp, nullable TAmpeq) */
-void nit__parser_prod___AAmpAssignOp___init_aampassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TAmpeq */;
+/* method parser_prod#AExternCalls#init_aexterncalls for (self: AExternCalls, nullable TKwimport, Collection[Object]) */
+void nitc__parser_prod___AExternCalls___init_aexterncalls(val* self, val* p0, val* p1) {
+val* var_n_kwimport /* var n_kwimport: nullable TKwimport */;
+val* var_n_extern_calls /* var n_extern_calls: Collection[Object] */;
+val* var /* : ANodes[AExternCall] */;
+val* var4 /* : ANodes[AExternCall] */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AAmpAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:AExternCalls> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_op = p0;
-if (unlikely(var_n_op == NULL)) {
+var_n_kwimport = p0;
+var_n_extern_calls = p1;
+if (unlikely(var_n_kwimport == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7869);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7813);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AAmpAssignOp> */
-if (var_n_op == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_kwimport].val = var_n_kwimport; /* _n_kwimport on <self:AExternCalls> */
+if (var_n_kwimport == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7870);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7814);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TAmpeq> */
-if (unlikely(var_n_op == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwimport,self) on <var_n_kwimport:nullable TKwimport> */
+if (unlikely(var_n_kwimport == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TAmpeq> */
+var_n_kwimport->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwimport:nullable TKwimport> */
 RET_LABEL2:(void)0;
 }
 }
+{
+{ /* Inline parser_nodes#AExternCalls#n_extern_calls (self) on <self:AExternCalls> */
+var4 = self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_extern_calls].val; /* _n_extern_calls on <self:AExternCalls> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_extern_calls");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1381);
+fatal_exit(1);
+}
+var = var4;
+RET_LABEL3:(void)0;
+}
+}
+{
+nitc___nitc__ANodes___unsafe_add_all(var, var_n_extern_calls); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExternCall]>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#AAmpAssignOp#replace_child for (self: AAmpAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___AAmpAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AExternCalls#replace_child for (self: AExternCalls, ANode, nullable ANode) */
+void nitc__parser_prod___AExternCalls___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
+val* var /* : TKwimport */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -9052,19 +8629,22 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var7 /* : ANodes[AExternCall] */;
+val* var9 /* : ANodes[AExternCall] */;
+short int var10 /* : Bool */;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AAmpAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_kwimport].val; /* _n_kwimport on <self:AExternCalls> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7875);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwimport");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7820);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwimport> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwimport> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -9077,9 +8657,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TAmpeq */
-cltype = type_nit__TAmpeq.color;
-idtype = type_nit__TAmpeq.id;
+/* <var_new_child:nullable ANode> isa TKwimport */
+cltype = type_nitc__TKwimport.color;
+idtype = type_nitc__TKwimport.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -9089,86 +8669,122 @@ var6 = 0;
 var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAmpeq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7876);
-fatal_exit(1);
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwimport", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7821);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AExternCalls___n_kwimport_61d(self, var_new_child); /* Direct call parser_prod#AExternCalls#n_kwimport= on <self:AExternCalls>*/
+}
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline parser_nodes#AExternCalls#n_extern_calls (self) on <self:AExternCalls> */
+var9 = self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_extern_calls].val; /* _n_extern_calls on <self:AExternCalls> */
+if (unlikely(var9 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_extern_calls");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1381);
+fatal_exit(1);
+}
+var7 = var9;
+RET_LABEL8:(void)0;
+}
 }
 {
-nit__parser_prod___AAmpAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AAmpAssignOp#n_op= on <self:AAmpAssignOp>*/
+var10 = nitc___nitc__ANodes___replace_child(var7, var_old_child, var_new_child);
 }
+if (var10){
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAmpAssignOp#n_op= for (self: AAmpAssignOp, Token) */
-void nit__parser_prod___AAmpAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
+/* method parser_prod#AExternCalls#n_kwimport= for (self: AExternCalls, TKwimport) */
+void nitc__parser_prod___AExternCalls___n_kwimport_61d(val* self, val* p0) {
+val* var_node /* var node: TKwimport */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AAmpAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_kwimport].val = var_node; /* _n_kwimport on <self:AExternCalls> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwimport> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwimport> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAmpAssignOp#visit_all for (self: AAmpAssignOp, Visitor) */
-void nit__parser_prod___AAmpAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AExternCalls#visit_all for (self: AExternCalls, Visitor) */
+void nitc__parser_prod___AExternCalls___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : Token */;
+val* var /* : TKwimport */;
+val* var1 /* : ANodes[AExternCall] */;
+val* var3 /* : ANodes[AExternCall] */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AAmpAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_kwimport].val; /* _n_kwimport on <self:AExternCalls> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7890);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwimport");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7836);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+{
+{ /* Inline parser_nodes#AExternCalls#n_extern_calls (self) on <self:AExternCalls> */
+var3 = self->attrs[COLOR_nitc__parser_nodes__AExternCalls___n_extern_calls].val; /* _n_extern_calls on <self:AExternCalls> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_extern_calls");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1381);
 fatal_exit(1);
 }
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AExternCall]>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALlAssignOp#init_allassignop for (self: ALlAssignOp, nullable TLleq) */
-void nit__parser_prod___ALlAssignOp___init_allassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TLleq */;
+/* method parser_prod#ASuperExternCall#init_asuperexterncall for (self: ASuperExternCall, nullable TKwsuper) */
+void nitc__parser_prod___ASuperExternCall___init_asuperexterncall(val* self, val* p0) {
+val* var_n_kwsuper /* var n_kwsuper: nullable TKwsuper */;
 {
-{ /* Inline kernel#Object#init (self) on <self:ALlAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:ASuperExternCall> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_op = p0;
-if (unlikely(var_n_op == NULL)) {
+var_n_kwsuper = p0;
+if (unlikely(var_n_kwsuper == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7898);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7860);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:ALlAssignOp> */
-if (var_n_op == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ASuperExternCall___n_kwsuper].val = var_n_kwsuper; /* _n_kwsuper on <self:ASuperExternCall> */
+if (var_n_kwsuper == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7899);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7861);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TLleq> */
-if (unlikely(var_n_op == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwsuper,self) on <var_n_kwsuper:nullable TKwsuper> */
+if (unlikely(var_n_kwsuper == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TLleq> */
+var_n_kwsuper->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwsuper:nullable TKwsuper> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALlAssignOp#replace_child for (self: ALlAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___ALlAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ASuperExternCall#replace_child for (self: ASuperExternCall, ANode, nullable ANode) */
+void nitc__parser_prod___ASuperExternCall___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
+val* var /* : TKwsuper */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -9179,17 +8795,17 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ALlAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__ASuperExternCall___n_kwsuper].val; /* _n_kwsuper on <self:ASuperExternCall> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7904);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwsuper");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7866);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwsuper> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwsuper> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -9202,9 +8818,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TLleq */
-cltype = type_nit__TLleq.color;
-idtype = type_nit__TLleq.id;
+/* <var_new_child:nullable ANode> isa TKwsuper */
+cltype = type_nitc__TKwsuper.color;
+idtype = type_nitc__TKwsuper.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -9216,84 +8832,84 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TLleq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7905);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwsuper", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7867);
 fatal_exit(1);
 }
 {
-nit__parser_prod___ALlAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#ALlAssignOp#n_op= on <self:ALlAssignOp>*/
+nitc__parser_prod___ASuperExternCall___n_kwsuper_61d(self, var_new_child); /* Direct call parser_prod#ASuperExternCall#n_kwsuper= on <self:ASuperExternCall>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALlAssignOp#n_op= for (self: ALlAssignOp, Token) */
-void nit__parser_prod___ALlAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
+/* method parser_prod#ASuperExternCall#n_kwsuper= for (self: ASuperExternCall, TKwsuper) */
+void nitc__parser_prod___ASuperExternCall___n_kwsuper_61d(val* self, val* p0) {
+val* var_node /* var node: TKwsuper */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:ALlAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__ASuperExternCall___n_kwsuper].val = var_node; /* _n_kwsuper on <self:ASuperExternCall> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwsuper> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwsuper> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALlAssignOp#visit_all for (self: ALlAssignOp, Visitor) */
-void nit__parser_prod___ALlAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ASuperExternCall#visit_all for (self: ASuperExternCall, Visitor) */
+void nitc__parser_prod___ASuperExternCall___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : Token */;
+val* var /* : TKwsuper */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:ALlAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__ASuperExternCall___n_kwsuper].val; /* _n_kwsuper on <self:ASuperExternCall> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7919);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwsuper");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7881);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AGgAssignOp#init_aggassignop for (self: AGgAssignOp, nullable TGgeq) */
-void nit__parser_prod___AGgAssignOp___init_aggassignop(val* self, val* p0) {
-val* var_n_op /* var n_op: nullable TGgeq */;
+/* method parser_prod#ALocalPropExternCall#init_alocalpropexterncall for (self: ALocalPropExternCall, nullable AMethid) */
+void nitc__parser_prod___ALocalPropExternCall___init_alocalpropexterncall(val* self, val* p0) {
+val* var_n_methid /* var n_methid: nullable AMethid */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AGgAssignOp> */
+{ /* Inline kernel#Object#init (self) on <self:ALocalPropExternCall> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_op = p0;
-if (unlikely(var_n_op == NULL)) {
+var_n_methid = p0;
+if (unlikely(var_n_methid == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7927);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7889);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_n_op; /* _n_op on <self:AGgAssignOp> */
-if (var_n_op == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ALocalPropExternCall___n_methid].val = var_n_methid; /* _n_methid on <self:ALocalPropExternCall> */
+if (var_n_methid == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7928);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7890);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_op,self) on <var_n_op:nullable TGgeq> */
-if (unlikely(var_n_op == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_methid,self) on <var_n_methid:nullable AMethid> */
+if (unlikely(var_n_methid == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_op->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_op:nullable TGgeq> */
+var_n_methid->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_methid:nullable AMethid> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AGgAssignOp#replace_child for (self: AGgAssignOp, ANode, nullable ANode) */
-void nit__parser_prod___AGgAssignOp___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ALocalPropExternCall#replace_child for (self: ALocalPropExternCall, ANode, nullable ANode) */
+void nitc__parser_prod___ALocalPropExternCall___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : Token */;
+val* var /* : AMethid */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -9304,17 +8920,17 @@ int idtype;
 const char* var_class_name;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AGgAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__ALocalPropExternCall___n_methid].val; /* _n_methid on <self:ALocalPropExternCall> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7933);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_methid");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7895);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:Token> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AMethid> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:Token> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AMethid> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -9327,9 +8943,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TGgeq */
-cltype = type_nit__TGgeq.color;
-idtype = type_nit__TGgeq.id;
+/* <var_new_child:nullable ANode> isa AMethid */
+cltype = type_nitc__AMethid.color;
+idtype = type_nitc__AMethid.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -9341,293 +8957,343 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TGgeq", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7934);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AMethid", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7896);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AGgAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(self, var_new_child); /* Direct call parser_prod#AGgAssignOp#n_op= on <self:AGgAssignOp>*/
+nitc__parser_prod___ALocalPropExternCall___n_methid_61d(self, var_new_child); /* Direct call parser_prod#ALocalPropExternCall#n_methid= on <self:ALocalPropExternCall>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AGgAssignOp#n_op= for (self: AGgAssignOp, Token) */
-void nit__parser_prod___AGgAssignOp___nit__parser_nodes__AAssignOp__n_op_61d(val* self, val* p0) {
-val* var_node /* var node: Token */;
+/* method parser_prod#ALocalPropExternCall#n_methid= for (self: ALocalPropExternCall, AMethid) */
+void nitc__parser_prod___ALocalPropExternCall___n_methid_61d(val* self, val* p0) {
+val* var_node /* var node: AMethid */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val = var_node; /* _n_op on <self:AGgAssignOp> */
+self->attrs[COLOR_nitc__parser_nodes__ALocalPropExternCall___n_methid].val = var_node; /* _n_methid on <self:ALocalPropExternCall> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:Token> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:Token> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AMethid> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AMethid> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AGgAssignOp#visit_all for (self: AGgAssignOp, Visitor) */
-void nit__parser_prod___AGgAssignOp___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#ALocalPropExternCall#visit_all for (self: ALocalPropExternCall, Visitor) */
+void nitc__parser_prod___ALocalPropExternCall___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : Token */;
+val* var /* : AMethid */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AAssignOp___n_op].val; /* _n_op on <self:AGgAssignOp> */
+var = self->attrs[COLOR_nitc__parser_nodes__ALocalPropExternCall___n_methid].val; /* _n_methid on <self:ALocalPropExternCall> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_op");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7948);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_methid");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7910);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AModuleName#init_amodulename for (self: AModuleName, nullable TQuad, Collection[Object], nullable TId) */
-void nit__parser_prod___AModuleName___init_amodulename(val* self, val* p0, val* p1, val* p2) {
-val* var_n_quad /* var n_quad: nullable TQuad */;
-val* var_n_path /* var n_path: Collection[Object] */;
-val* var_n_id /* var n_id: nullable TId */;
+/* method parser_prod#AFullPropExternCall#init_afullpropexterncall for (self: AFullPropExternCall, nullable AType, nullable TDot, nullable AMethid) */
+void nitc__parser_prod___AFullPropExternCall___init_afullpropexterncall(val* self, val* p0, val* p1, val* p2) {
+val* var_n_type /* var n_type: nullable AType */;
+val* var_n_dot /* var n_dot: nullable TDot */;
+val* var_n_methid /* var n_methid: nullable AMethid */;
 short int var /* : Bool */;
-short int var2 /* : Bool */;
+short int var3 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
 short int var5 /* : Bool */;
-val* var7 /* : ANodes[TId] */;
-val* var9 /* : ANodes[TId] */;
+short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AModuleName> */
+{ /* Inline kernel#Object#init (self) on <self:AFullPropExternCall> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_quad = p0;
-var_n_path = p1;
-var_n_id = p2;
-self->attrs[COLOR_nit__parser_nodes__AModuleName___n_quad].val = var_n_quad; /* _n_quad on <self:AModuleName> */
-if (var_n_quad == NULL) {
+var_n_type = p0;
+var_n_dot = p1;
+var_n_methid = p2;
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7920);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_type].val = var_n_type; /* _n_type on <self:AFullPropExternCall> */
+if (var_n_type == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7921);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
+RET_LABEL2:(void)0;
+}
+}
+self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_dot].val = var_n_dot; /* _n_dot on <self:AFullPropExternCall> */
+if (var_n_dot == NULL) {
 var = 0; /* is null */
 } else {
 var = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_n_quad,((val*)NULL)) on <var_n_quad:nullable TQuad> */
+{ /* Inline kernel#Object#!= (var_n_dot,((val*)NULL)) on <var_n_dot:nullable TDot> */
 var_other = ((val*)NULL);
 {
-var4 = ((short int(*)(val* self, val* p0))(var_n_quad->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_n_quad, var_other); /* == on <var_n_quad:nullable TQuad(TQuad)>*/
+var5 = ((short int(*)(val* self, val* p0))(var_n_dot->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_dot, var_other); /* == on <var_n_dot:nullable TDot(TDot)>*/
 }
-var5 = !var4;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var6 = !var5;
+var3 = var6;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
-var = var2;
+var = var3;
 }
 if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_quad,self) on <var_n_quad:nullable TQuad(TQuad)> */
-var_n_quad->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_quad:nullable TQuad(TQuad)> */
-RET_LABEL6:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_dot,self) on <var_n_dot:nullable TDot(TDot)> */
+var_n_dot->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_dot:nullable TDot(TDot)> */
+RET_LABEL7:(void)0;
 }
 }
 } else {
 }
-{
-{ /* Inline parser_nodes#AModuleName#n_path (self) on <self:AModuleName> */
-var9 = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_path].val; /* _n_path on <self:AModuleName> */
-if (unlikely(var9 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_path");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2897);
-fatal_exit(1);
-}
-var7 = var9;
-RET_LABEL8:(void)0;
-}
-}
-{
-nit___nit__ANodes___unsafe_add_all(var7, var_n_path); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var7:ANodes[TId]>*/
-}
-if (unlikely(var_n_id == NULL)) {
+if (unlikely(var_n_methid == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7961);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7924);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AModuleName___n_id].val = var_n_id; /* _n_id on <self:AModuleName> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_methid].val = var_n_methid; /* _n_methid on <self:AFullPropExternCall> */
+if (var_n_methid == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7962);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7925);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_methid,self) on <var_n_methid:nullable AMethid> */
+if (unlikely(var_n_methid == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_id->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
-RET_LABEL10:(void)0;
+var_n_methid->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_methid:nullable AMethid> */
+RET_LABEL8:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AModuleName#replace_child for (self: AModuleName, ANode, nullable ANode) */
-void nit__parser_prod___AModuleName___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AFullPropExternCall#replace_child for (self: AFullPropExternCall, ANode, nullable ANode) */
+void nitc__parser_prod___AFullPropExternCall___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : nullable TQuad */;
+val* var /* : AType */;
 short int var1 /* : Bool */;
-short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
 short int var6 /* : Bool */;
-short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : ANodes[TId] */;
-val* var10 /* : ANodes[TId] */;
+val* var7 /* : nullable TDot */;
+short int var8 /* : Bool */;
+short int var9 /* : Bool */;
 short int var11 /* : Bool */;
-val* var12 /* : TId */;
 short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-const char* var_class_name21;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+const char* var_class_name17;
+val* var18 /* : AMethid */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_quad].val; /* _n_quad on <self:AModuleName> */
-if (var == NULL) {
-var1 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable TQuad> */
+var = self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_type].val; /* _n_type on <self:AFullPropExternCall> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7930);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AType> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable TQuad(TQuad)> */
-var6 = var == var_other;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AType> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
 }
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
 }
-var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa nullable TQuad */
-cltype = type_nullable__nit__TQuad.color;
-idtype = type_nullable__nit__TQuad.id;
+/* <var_new_child:nullable ANode> isa AType */
+cltype = type_nitc__AType.color;
+idtype = type_nitc__AType.id;
 if(var_new_child == NULL) {
-var7 = 1;
+var6 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
-var7 = 0;
+var6 = 0;
 } else {
-var7 = var_new_child->type->type_table[cltype] == idtype;
+var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var7)) {
+if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TQuad", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7968);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7931);
 fatal_exit(1);
 }
-{
-nit__parser_prod___AModuleName___n_quad_61d(self, var_new_child); /* Direct call parser_prod#AModuleName#n_quad= on <self:AModuleName>*/
+{
+nitc__parser_prod___AFullPropExternCall___n_type_61d(self, var_new_child); /* Direct call parser_prod#AFullPropExternCall#n_type= on <self:AFullPropExternCall>*/
+}
+goto RET_LABEL;
+} else {
+}
+var7 = self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_dot].val; /* _n_dot on <self:AFullPropExternCall> */
+if (var7 == NULL) {
+var8 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable TDot> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable TDot(TDot)> */
+var13 = var7 == var_other;
+var11 = var13;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
+}
+}
+var9 = var11;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+var8 = var9;
 }
-goto RET_LABEL;
+if (var8){
+/* <var_new_child:nullable ANode> isa nullable TDot */
+cltype15 = type_nullable__nitc__TDot.color;
+idtype16 = type_nullable__nitc__TDot.id;
+if(var_new_child == NULL) {
+var14 = 1;
 } else {
+if(cltype15 >= var_new_child->type->table_size) {
+var14 = 0;
+} else {
+var14 = var_new_child->type->type_table[cltype15] == idtype16;
 }
-{
-{ /* Inline parser_nodes#AModuleName#n_path (self) on <self:AModuleName> */
-var10 = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_path].val; /* _n_path on <self:AModuleName> */
-if (unlikely(var10 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_path");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2897);
-fatal_exit(1);
-}
-var8 = var10;
-RET_LABEL9:(void)0;
 }
+if (unlikely(!var14)) {
+var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TDot", var_class_name17);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7935);
+fatal_exit(1);
 }
 {
-var11 = nit___nit__ANodes___replace_child(var8, var_old_child, var_new_child);
+nitc__parser_prod___AFullPropExternCall___n_dot_61d(self, var_new_child); /* Direct call parser_prod#AFullPropExternCall#n_dot= on <self:AFullPropExternCall>*/
 }
-if (var11){
 goto RET_LABEL;
 } else {
 }
-var12 = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_id].val; /* _n_id on <self:AModuleName> */
-if (unlikely(var12 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7972);
+var18 = self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_methid].val; /* _n_methid on <self:AFullPropExternCall> */
+if (unlikely(var18 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_methid");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7938);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var12,var_old_child) on <var12:TId> */
+{ /* Inline kernel#Object#== (var18,var_old_child) on <var18:AMethid> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var12,var_other) on <var12:TId> */
-var17 = var12 == var_other;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var18,var_other) on <var18:AMethid> */
+var23 = var18 == var_other;
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
 }
 }
-var13 = var15;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
 }
 }
-if (var13){
-/* <var_new_child:nullable ANode> isa TId */
-cltype19 = type_nit__TId.color;
-idtype20 = type_nit__TId.id;
+if (var19){
+/* <var_new_child:nullable ANode> isa AMethid */
+cltype25 = type_nitc__AMethid.color;
+idtype26 = type_nitc__AMethid.id;
 if(var_new_child == NULL) {
-var18 = 0;
+var24 = 0;
 } else {
-if(cltype19 >= var_new_child->type->table_size) {
-var18 = 0;
+if(cltype25 >= var_new_child->type->table_size) {
+var24 = 0;
 } else {
-var18 = var_new_child->type->type_table[cltype19] == idtype20;
+var24 = var_new_child->type->type_table[cltype25] == idtype26;
 }
 }
-if (unlikely(!var18)) {
-var_class_name21 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name21);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7973);
+if (unlikely(!var24)) {
+var_class_name27 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AMethid", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7939);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AModuleName___n_id_61d(self, var_new_child); /* Direct call parser_prod#AModuleName#n_id= on <self:AModuleName>*/
+nitc__parser_prod___AFullPropExternCall___n_methid_61d(self, var_new_child); /* Direct call parser_prod#AFullPropExternCall#n_methid= on <self:AFullPropExternCall>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AModuleName#n_quad= for (self: AModuleName, nullable TQuad) */
-void nit__parser_prod___AModuleName___n_quad_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TQuad */;
+/* method parser_prod#AFullPropExternCall#n_type= for (self: AFullPropExternCall, AType) */
+void nitc__parser_prod___AFullPropExternCall___n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_type].val = var_node; /* _n_type on <self:AFullPropExternCall> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AFullPropExternCall#n_dot= for (self: AFullPropExternCall, nullable TDot) */
+void nitc__parser_prod___AFullPropExternCall___n_dot_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TDot */;
 short int var /* : Bool */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
 short int var4 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AModuleName___n_quad].val = var_node; /* _n_quad on <self:AModuleName> */
+self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_dot].val = var_node; /* _n_dot on <self:AFullPropExternCall> */
 if (var_node == NULL) {
 var = 0; /* is null */
 } else {
 var = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TQuad> */
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TDot> */
 var_other = ((val*)NULL);
 {
-var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TQuad(TQuad)>*/
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TDot(TDot)>*/
 }
 var4 = !var3;
 var1 = var4;
@@ -9638,8 +9304,8 @@ var = var1;
 }
 if (var){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TQuad(TQuad)> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TQuad(TQuad)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TDot(TDot)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TDot(TDot)> */
 RET_LABEL5:(void)0;
 }
 }
@@ -9647,113 +9313,293 @@ RET_LABEL5:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AModuleName#n_id= for (self: AModuleName, TId) */
-void nit__parser_prod___AModuleName___n_id_61d(val* self, val* p0) {
-val* var_node /* var node: TId */;
+/* method parser_prod#AFullPropExternCall#n_methid= for (self: AFullPropExternCall, AMethid) */
+void nitc__parser_prod___AFullPropExternCall___n_methid_61d(val* self, val* p0) {
+val* var_node /* var node: AMethid */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AModuleName___n_id].val = var_node; /* _n_id on <self:AModuleName> */
+self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_methid].val = var_node; /* _n_methid on <self:AFullPropExternCall> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AMethid> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AMethid> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AModuleName#visit_all for (self: AModuleName, Visitor) */
-void nit__parser_prod___AModuleName___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
+/* method parser_prod#AFullPropExternCall#visit_all for (self: AFullPropExternCall, Visitor) */
+void nitc__parser_prod___AFullPropExternCall___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : nullable TQuad */;
-val* var1 /* : ANodes[TId] */;
-val* var3 /* : ANodes[TId] */;
-val* var4 /* : TId */;
+val* var /* : AType */;
+val* var1 /* : nullable TDot */;
+val* var2 /* : AMethid */;
 var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_quad].val; /* _n_quad on <self:AModuleName> */
+var = self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_type].val; /* _n_type on <self:AFullPropExternCall> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7963);
+fatal_exit(1);
+}
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var1 = self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_dot].val; /* _n_dot on <self:AFullPropExternCall> */
 {
-{ /* Inline parser_nodes#AModuleName#n_path (self) on <self:AModuleName> */
-var3 = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_path].val; /* _n_path on <self:AModuleName> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_path");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 2897);
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var2 = self->attrs[COLOR_nitc__parser_nodes__AFullPropExternCall___n_methid].val; /* _n_methid on <self:AFullPropExternCall> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_methid");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7965);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#AInitPropExternCall#init_ainitpropexterncall for (self: AInitPropExternCall, nullable AType) */
+void nitc__parser_prod___AInitPropExternCall___init_ainitpropexterncall(val* self, val* p0) {
+val* var_n_type /* var n_type: nullable AType */;
+{
+{ /* Inline kernel#Object#init (self) on <self:AInitPropExternCall> */
+RET_LABEL1:(void)0;
+}
+}
+var_n_type = p0;
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7973);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__AInitPropExternCall___n_type].val = var_n_type; /* _n_type on <self:AInitPropExternCall> */
+if (var_n_type == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7974);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
+RET_LABEL2:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AInitPropExternCall#replace_child for (self: AInitPropExternCall, ANode, nullable ANode) */
+void nitc__parser_prod___AInitPropExternCall___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AType */;
+short int var1 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_nitc__parser_nodes__AInitPropExternCall___n_type].val; /* _n_type on <self:AInitPropExternCall> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7979);
 fatal_exit(1);
 }
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AType> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AType> */
+var5 = var == var_other;
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
+}
+}
 var1 = var3;
+goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
 }
+if (var1){
+/* <var_new_child:nullable ANode> isa AType */
+cltype = type_nitc__AType.color;
+idtype = type_nitc__AType.id;
+if(var_new_child == NULL) {
+var6 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var6 = 0;
+} else {
+var6 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var6)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7980);
+fatal_exit(1);
+}
+{
+nitc__parser_prod___AInitPropExternCall___n_type_61d(self, var_new_child); /* Direct call parser_prod#AInitPropExternCall#n_type= on <self:AInitPropExternCall>*/
+}
+goto RET_LABEL;
+} else {
+}
+RET_LABEL:;
+}
+/* method parser_prod#AInitPropExternCall#n_type= for (self: AInitPropExternCall, AType) */
+void nitc__parser_prod___AInitPropExternCall___n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__AInitPropExternCall___n_type].val = var_node; /* _n_type on <self:AInitPropExternCall> */
 {
-nit___nit__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[TId]>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
 }
-var4 = self->attrs[COLOR_nit__parser_nodes__AModuleName___n_id].val; /* _n_id on <self:AModuleName> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 7994);
+}
+RET_LABEL:;
+}
+/* method parser_prod#AInitPropExternCall#visit_all for (self: AInitPropExternCall, Visitor) */
+void nitc__parser_prod___AInitPropExternCall___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AType */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__AInitPropExternCall___n_type].val; /* _n_type on <self:AInitPropExternCall> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 7994);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AExternCalls#init_aexterncalls for (self: AExternCalls, nullable TKwimport, Collection[Object]) */
-void nit__parser_prod___AExternCalls___init_aexterncalls(val* self, val* p0, val* p1) {
-val* var_n_kwimport /* var n_kwimport: nullable TKwimport */;
-val* var_n_extern_calls /* var n_extern_calls: Collection[Object] */;
-val* var /* : ANodes[AExternCall] */;
-val* var4 /* : ANodes[AExternCall] */;
+/* method parser_prod#ACastAsExternCall#init_acastasexterncall for (self: ACastAsExternCall, nullable AType, nullable TDot, nullable TKwas, nullable AType) */
+void nitc__parser_prod___ACastAsExternCall___init_acastasexterncall(val* self, val* p0, val* p1, val* p2, val* p3) {
+val* var_n_from_type /* var n_from_type: nullable AType */;
+val* var_n_dot /* var n_dot: nullable TDot */;
+val* var_n_kwas /* var n_kwas: nullable TKwas */;
+val* var_n_to_type /* var n_to_type: nullable AType */;
+short int var /* : Bool */;
+short int var3 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
 {
-{ /* Inline kernel#Object#init (self) on <self:AExternCalls> */
+{ /* Inline kernel#Object#init (self) on <self:ACastAsExternCall> */
 RET_LABEL1:(void)0;
 }
 }
-var_n_kwimport = p0;
-var_n_extern_calls = p1;
-if (unlikely(var_n_kwimport == NULL)) {
+var_n_from_type = p0;
+var_n_dot = p1;
+var_n_kwas = p2;
+var_n_to_type = p3;
+if (unlikely(var_n_from_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8003);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8005);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_kwimport].val = var_n_kwimport; /* _n_kwimport on <self:AExternCalls> */
-if (var_n_kwimport == NULL) {
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_from_type].val = var_n_from_type; /* _n_from_type on <self:ACastAsExternCall> */
+if (var_n_from_type == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8004);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8006);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwimport,self) on <var_n_kwimport:nullable TKwimport> */
-if (unlikely(var_n_kwimport == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_from_type,self) on <var_n_from_type:nullable AType> */
+if (unlikely(var_n_from_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
 fatal_exit(1);
 }
-var_n_kwimport->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwimport:nullable TKwimport> */
+var_n_from_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_from_type:nullable AType> */
 RET_LABEL2:(void)0;
 }
 }
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_dot].val = var_n_dot; /* _n_dot on <self:ACastAsExternCall> */
+if (var_n_dot == NULL) {
+var = 0; /* is null */
+} else {
+var = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_dot,((val*)NULL)) on <var_n_dot:nullable TDot> */
+var_other = ((val*)NULL);
 {
-{ /* Inline parser_nodes#AExternCalls#n_extern_calls (self) on <self:AExternCalls> */
-var4 = self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_extern_calls].val; /* _n_extern_calls on <self:AExternCalls> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_extern_calls");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 1415);
-fatal_exit(1);
+var5 = ((short int(*)(val* self, val* p0))(var_n_dot->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_n_dot, var_other); /* == on <var_n_dot:nullable TDot(TDot)>*/
 }
-var = var4;
-RET_LABEL3:(void)0;
+var6 = !var5;
+var3 = var6;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
+var = var3;
 }
+if (var){
 {
-nit___nit__ANodes___unsafe_add_all(var, var_n_extern_calls); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExternCall]>*/
+{ /* Inline parser_nodes#ANode#parent= (var_n_dot,self) on <var_n_dot:nullable TDot(TDot)> */
+var_n_dot->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_dot:nullable TDot(TDot)> */
+RET_LABEL7:(void)0;
+}
+}
+} else {
+}
+if (unlikely(var_n_kwas == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8009);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_kwas].val = var_n_kwas; /* _n_kwas on <self:ACastAsExternCall> */
+if (var_n_kwas == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8010);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwas,self) on <var_n_kwas:nullable TKwas> */
+if (unlikely(var_n_kwas == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_kwas->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwas:nullable TKwas> */
+RET_LABEL8:(void)0;
+}
+}
+if (unlikely(var_n_to_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8011);
+fatal_exit(1);
+}
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_to_type].val = var_n_to_type; /* _n_to_type on <self:ACastAsExternCall> */
+if (var_n_to_type == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8012);
+fatal_exit(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_to_type,self) on <var_n_to_type:nullable AType> */
+if (unlikely(var_n_to_type == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 46);
+fatal_exit(1);
+}
+var_n_to_type->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_to_type:nullable AType> */
+RET_LABEL9:(void)0;
+}
 }
 RET_LABEL:;
 }
-/* method parser_prod#AExternCalls#replace_child for (self: AExternCalls, ANode, nullable ANode) */
-void nit__parser_prod___AExternCalls___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ACastAsExternCall#replace_child for (self: ACastAsExternCall, ANode, nullable ANode) */
+void nitc__parser_prod___ACastAsExternCall___nitc__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwimport */;
+val* var /* : AType */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
@@ -9762,22 +9608,44 @@ short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var7 /* : ANodes[AExternCall] */;
-val* var9 /* : ANodes[AExternCall] */;
-short int var10 /* : Bool */;
+val* var7 /* : nullable TDot */;
+short int var8 /* : Bool */;
+short int var9 /* : Bool */;
+short int var11 /* : Bool */;
+short int var13 /* : Bool */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+const char* var_class_name17;
+val* var18 /* : TKwas */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+val* var28 /* : AType */;
+short int var29 /* : Bool */;
+short int var31 /* : Bool */;
+short int var33 /* : Bool */;
+short int var34 /* : Bool */;
+int cltype35;
+int idtype36;
+const char* var_class_name37;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_kwimport].val; /* _n_kwimport on <self:AExternCalls> */
+var = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_from_type].val; /* _n_from_type on <self:ACastAsExternCall> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwimport");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8010);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_from_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8017);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwimport> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AType> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwimport> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AType> */
 var5 = var == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -9790,9 +9658,9 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwimport */
-cltype = type_nit__TKwimport.color;
-idtype = type_nit__TKwimport.id;
+/* <var_new_child:nullable ANode> isa AType */
+cltype = type_nitc__AType.color;
+idtype = type_nitc__AType.id;
 if(var_new_child == NULL) {
 var6 = 0;
 } else {
@@ -9804,189 +9672,273 @@ var6 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var6)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwimport", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8011);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8018);
 fatal_exit(1);
 }
 {
-nit__parser_prod___AExternCalls___n_kwimport_61d(self, var_new_child); /* Direct call parser_prod#AExternCalls#n_kwimport= on <self:AExternCalls>*/
+nitc__parser_prod___ACastAsExternCall___n_from_type_61d(self, var_new_child); /* Direct call parser_prod#ACastAsExternCall#n_from_type= on <self:ACastAsExternCall>*/
 }
 goto RET_LABEL;
 } else {
 }
+var7 = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_dot].val; /* _n_dot on <self:ACastAsExternCall> */
+if (var7 == NULL) {
+var8 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var7,var_old_child) on <var7:nullable TDot> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#AExternCalls#n_extern_calls (self) on <self:AExternCalls> */
-var9 = self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_extern_calls].val; /* _n_extern_calls on <self:AExternCalls> */
-if (unlikely(var9 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_extern_calls");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 1415);
-fatal_exit(1);
+{ /* Inline kernel#Object#is_same_instance (var7,var_other) on <var7:nullable TDot(TDot)> */
+var13 = var7 == var_other;
+var11 = var13;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
+}
+}
+var9 = var11;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+var8 = var9;
+}
+if (var8){
+/* <var_new_child:nullable ANode> isa nullable TDot */
+cltype15 = type_nullable__nitc__TDot.color;
+idtype16 = type_nullable__nitc__TDot.id;
+if(var_new_child == NULL) {
+var14 = 1;
+} else {
+if(cltype15 >= var_new_child->type->table_size) {
+var14 = 0;
+} else {
+var14 = var_new_child->type->type_table[cltype15] == idtype16;
 }
-var7 = var9;
-RET_LABEL8:(void)0;
 }
+if (unlikely(!var14)) {
+var_class_name17 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TDot", var_class_name17);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8022);
+fatal_exit(1);
 }
 {
-var10 = nit___nit__ANodes___replace_child(var7, var_old_child, var_new_child);
+nitc__parser_prod___ACastAsExternCall___n_dot_61d(self, var_new_child); /* Direct call parser_prod#ACastAsExternCall#n_dot= on <self:ACastAsExternCall>*/
 }
-if (var10){
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
+var18 = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_kwas].val; /* _n_kwas on <self:ACastAsExternCall> */
+if (unlikely(var18 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8025);
+fatal_exit(1);
 }
-/* method parser_prod#AExternCalls#n_kwimport= for (self: AExternCalls, TKwimport) */
-void nit__parser_prod___AExternCalls___n_kwimport_61d(val* self, val* p0) {
-val* var_node /* var node: TKwimport */;
-var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_kwimport].val = var_node; /* _n_kwimport on <self:AExternCalls> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwimport> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwimport> */
-RET_LABEL1:(void)0;
+{ /* Inline kernel#Object#== (var18,var_old_child) on <var18:TKwas> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var18,var_other) on <var18:TKwas> */
+var23 = var18 == var_other;
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
 }
 }
-RET_LABEL:;
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
 }
-/* method parser_prod#AExternCalls#visit_all for (self: AExternCalls, Visitor) */
-void nit__parser_prod___AExternCalls___nit__parser_nodes__ANode__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwimport */;
-val* var1 /* : ANodes[AExternCall] */;
-val* var3 /* : ANodes[AExternCall] */;
-var_v = p0;
-var = self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_kwimport].val; /* _n_kwimport on <self:AExternCalls> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwimport");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8026);
+}
+if (var19){
+/* <var_new_child:nullable ANode> isa TKwas */
+cltype25 = type_nitc__TKwas.color;
+idtype26 = type_nitc__TKwas.id;
+if(var_new_child == NULL) {
+var24 = 0;
+} else {
+if(cltype25 >= var_new_child->type->table_size) {
+var24 = 0;
+} else {
+var24 = var_new_child->type->type_table[cltype25] == idtype26;
+}
+}
+if (unlikely(!var24)) {
+var_class_name27 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwas", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8026);
 fatal_exit(1);
 }
 {
-nit___nit__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+nitc__parser_prod___ACastAsExternCall___n_kwas_61d(self, var_new_child); /* Direct call parser_prod#ACastAsExternCall#n_kwas= on <self:ACastAsExternCall>*/
 }
-{
-{ /* Inline parser_nodes#AExternCalls#n_extern_calls (self) on <self:AExternCalls> */
-var3 = self->attrs[COLOR_nit__parser_nodes__AExternCalls___n_extern_calls].val; /* _n_extern_calls on <self:AExternCalls> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_extern_calls");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 1415);
+goto RET_LABEL;
+} else {
+}
+var28 = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_to_type].val; /* _n_to_type on <self:ACastAsExternCall> */
+if (unlikely(var28 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_to_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8029);
 fatal_exit(1);
 }
-var1 = var3;
-RET_LABEL2:(void)0;
+{
+{ /* Inline kernel#Object#== (var28,var_old_child) on <var28:AType> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var28,var_other) on <var28:AType> */
+var33 = var28 == var_other;
+var31 = var33;
+goto RET_LABEL32;
+RET_LABEL32:(void)0;
 }
 }
-{
-nit___nit__ANodes___visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AExternCall]>*/
+var29 = var31;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
 }
-RET_LABEL:;
 }
-/* method parser_prod#ASuperExternCall#init_asuperexterncall for (self: ASuperExternCall, nullable TKwsuper) */
-void nit__parser_prod___ASuperExternCall___init_asuperexterncall(val* self, val* p0) {
-val* var_n_kwsuper /* var n_kwsuper: nullable TKwsuper */;
-{
-{ /* Inline kernel#Object#init (self) on <self:ASuperExternCall> */
-RET_LABEL1:(void)0;
+if (var29){
+/* <var_new_child:nullable ANode> isa AType */
+cltype35 = type_nitc__AType.color;
+idtype36 = type_nitc__AType.id;
+if(var_new_child == NULL) {
+var34 = 0;
+} else {
+if(cltype35 >= var_new_child->type->table_size) {
+var34 = 0;
+} else {
+var34 = var_new_child->type->type_table[cltype35] == idtype36;
 }
 }
-var_n_kwsuper = p0;
-if (unlikely(var_n_kwsuper == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8050);
+if (unlikely(!var34)) {
+var_class_name37 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name37);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8030);
 fatal_exit(1);
 }
-self->attrs[COLOR_nit__parser_nodes__ASuperExternCall___n_kwsuper].val = var_n_kwsuper; /* _n_kwsuper on <self:ASuperExternCall> */
-if (var_n_kwsuper == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8051);
-fatal_exit(1);
+{
+nitc__parser_prod___ACastAsExternCall___n_to_type_61d(self, var_new_child); /* Direct call parser_prod#ACastAsExternCall#n_to_type= on <self:ACastAsExternCall>*/
+}
+goto RET_LABEL;
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwsuper,self) on <var_n_kwsuper:nullable TKwsuper> */
-if (unlikely(var_n_kwsuper == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_nodes, 46);
-fatal_exit(1);
 }
-var_n_kwsuper->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwsuper:nullable TKwsuper> */
-RET_LABEL2:(void)0;
+RET_LABEL:;
+}
+/* method parser_prod#ACastAsExternCall#n_from_type= for (self: ACastAsExternCall, AType) */
+void nitc__parser_prod___ACastAsExternCall___n_from_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_from_type].val = var_node; /* _n_from_type on <self:ACastAsExternCall> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASuperExternCall#replace_child for (self: ASuperExternCall, ANode, nullable ANode) */
-void nit__parser_prod___ASuperExternCall___nit__parser_nodes__ANode__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwsuper */;
+/* method parser_prod#ACastAsExternCall#n_dot= for (self: ACastAsExternCall, nullable TDot) */
+void nitc__parser_prod___ACastAsExternCall___n_dot_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TDot */;
+short int var /* : Bool */;
 short int var1 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_nit__parser_nodes__ASuperExternCall___n_kwsuper].val; /* _n_kwsuper on <self:ASuperExternCall> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwsuper");
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8056);
-fatal_exit(1);
+short int var4 /* : Bool */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_dot].val = var_node; /* _n_dot on <self:ACastAsExternCall> */
+if (var_node == NULL) {
+var = 0; /* is null */
+} else {
+var = 1; /* arg is null and recv is not */
 }
+if (0) {
+{ /* Inline kernel#Object#!= (var_node,((val*)NULL)) on <var_node:nullable TDot> */
+var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwsuper> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwsuper> */
-var5 = var == var_other;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
+var3 = ((short int(*)(val* self, val* p0))(var_node->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_node, var_other); /* == on <var_node:nullable TDot(TDot)>*/
 }
-var1 = var3;
+var4 = !var3;
+var1 = var4;
 goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
+var = var1;
 }
-if (var1){
-/* <var_new_child:nullable ANode> isa TKwsuper */
-cltype = type_nit__TKwsuper.color;
-idtype = type_nit__TKwsuper.id;
-if(var_new_child == NULL) {
-var6 = 0;
-} else {
-if(cltype >= var_new_child->type->table_size) {
-var6 = 0;
-} else {
-var6 = var_new_child->type->type_table[cltype] == idtype;
+if (var){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TDot(TDot)> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TDot(TDot)> */
+RET_LABEL5:(void)0;
 }
 }
-if (unlikely(!var6)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwsuper", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nit__parser_prod, 8057);
-fatal_exit(1);
+} else {
+}
+RET_LABEL:;
 }
+/* method parser_prod#ACastAsExternCall#n_kwas= for (self: ACastAsExternCall, TKwas) */
+void nitc__parser_prod___ACastAsExternCall___n_kwas_61d(val* self, val* p0) {
+val* var_node /* var node: TKwas */;
+var_node = p0;
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_kwas].val = var_node; /* _n_kwas on <self:ACastAsExternCall> */
 {
-nit__parser_prod___ASuperExternCall___n_kwsuper_61d(self, var_new_child); /* Direct call parser_prod#ASuperExternCall#n_kwsuper= on <self:ASuperExternCall>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwas> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwas> */
+RET_LABEL1:(void)0;
 }
-goto RET_LABEL;
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASuperExternCall#n_kwsuper= for (self: ASuperExternCall, TKwsuper) */
-void nit__parser_prod___ASuperExternCall___n_kwsuper_61d(val* self, val* p0) {
-val* var_node /* var node: TKwsuper */;
+/* method parser_prod#ACastAsExternCall#n_to_type= for (self: ACastAsExternCall, AType) */
+void nitc__parser_prod___ACastAsExternCall___n_to_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
 var_node = p0;
-self->attrs[COLOR_nit__parser_nodes__ASuperExternCall___n_kwsuper].val = var_node; /* _n_kwsuper on <self:ASuperExternCall> */
+self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_to_type].val = var_node; /* _n_to_type on <self:ACastAsExternCall> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwsuper> */
-var_node->attrs[COLOR_nit__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwsuper> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_nitc__parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
+/* method parser_prod#ACastAsExternCall#visit_all for (self: ACastAsExternCall, Visitor) */
+void nitc__parser_prod___ACastAsExternCall___nitc__parser_nodes__ANode__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AType */;
+val* var1 /* : nullable TDot */;
+val* var2 /* : TKwas */;
+val* var3 /* : AType */;
+var_v = p0;
+var = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_from_type].val; /* _n_from_type on <self:ACastAsExternCall> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_from_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8059);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_dot].val; /* _n_dot on <self:ACastAsExternCall> */
+{
+nitc___nitc__Visitor___enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var2 = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_kwas].val; /* _n_kwas on <self:ACastAsExternCall> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwas");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8061);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_nitc__parser_nodes__ACastAsExternCall___n_to_type].val; /* _n_to_type on <self:ACastAsExternCall> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_to_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_prod, 8062);
+fatal_exit(1);
+}
+{
+nitc___nitc__Visitor___enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}