X-Git-Url: http://nitlanguage.org

diff --git a/c_src/nitc__transform.sep.1.c b/c_src/nitc__transform.sep.1.c
index c00a17e..fd3afc7 100644
--- a/c_src/nitc__transform.sep.1.c
+++ b/c_src/nitc__transform.sep.1.c
@@ -1,10 +1,13 @@
 #include "nitc__transform.sep.0.h"
-/* method transform#ToolContext#opt_no_shortcut_range for (self: ToolContext): OptionBool */
+/* method transform$ToolContext$opt_no_shortcut_range for (self: ToolContext): OptionBool */
 val* nitc__transform___ToolContext___opt_no_shortcut_range(val* self) {
 val* var /* : OptionBool */;
 val* var1 /* : OptionBool */;
 var1 = self->attrs[COLOR_nitc__transform__ToolContext___opt_no_shortcut_range].val; /* _opt_no_shortcut_range on <self:ToolContext> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _opt_no_shortcut_range");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 28);
 fatal_exit(1);
@@ -13,7 +16,7 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#ToolContext#init for (self: ToolContext) */
+/* method transform$ToolContext$init for (self: ToolContext) */
 void nitc__transform___ToolContext___core__kernel__Object__init(val* self) {
 val* var /* : OptionContext */;
 val* var2 /* : OptionContext */;
@@ -25,11 +28,14 @@ val* var7 /* : NativeArray[Option] */;
 ((void(*)(val* self))(self->class->vft[COLOR_nitc__transform___ToolContext___core__kernel__Object__init]))(self); /* init on <self:ToolContext>*/
 }
 {
-{ /* Inline toolcontext#ToolContext#option_context (self) on <self:ToolContext> */
+{ /* Inline toolcontext$ToolContext$option_context (self) on <self:ToolContext> */
 var2 = self->attrs[COLOR_nitc__toolcontext__ToolContext___option_context].val; /* _option_context on <self:ToolContext> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _option_context");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__toolcontext, 342);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__toolcontext, 357);
 fatal_exit(1);
 }
 var = var2;
@@ -37,9 +43,12 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline transform#ToolContext#opt_no_shortcut_range (self) on <self:ToolContext> */
+{ /* Inline transform$ToolContext$opt_no_shortcut_range (self) on <self:ToolContext> */
 var5 = self->attrs[COLOR_nitc__transform__ToolContext___opt_no_shortcut_range].val; /* _opt_no_shortcut_range on <self:ToolContext> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _opt_no_shortcut_range");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 28);
 fatal_exit(1);
@@ -50,18 +59,18 @@ RET_LABEL4:(void)0;
 }
 var6 = NEW_core__Array(&type_core__Array__opts__Option);
 { /* var6 = array_instance Array[Option] */
-var7 = NEW_core__NativeArray(1l, &type_core__NativeArray__opts__Option);
+var7 = NEW_core__NativeArray((int)1l, &type_core__NativeArray__opts__Option);
 ((struct instance_core__NativeArray*)var7)->values[0] = (val*) var3;
 {
 ((void(*)(val* self, val* p0, long p1))(var6->class->vft[COLOR_core__array__Array__with_native]))(var6, var7, 1l); /* with_native on <var6:Array[Option]>*/
 }
 }
 {
-opts___opts__OptionContext___add_option(var, var6); /* Direct call opts#OptionContext#add_option on <var:OptionContext>*/
+opts___opts__OptionContext___add_option(var, var6); /* Direct call opts$OptionContext$add_option on <var:OptionContext>*/
 }
 RET_LABEL:;
 }
-/* method transform#TransformPhase#process_npropdef for (self: TransformPhase, APropdef) */
+/* method transform$TransformPhase$process_npropdef for (self: TransformPhase, APropdef) */
 void nitc__transform___nitc__transform__TransformPhase___nitc__phase__Phase__process_npropdef(val* self, val* p0) {
 val* var_npropdef /* var npropdef: APropdef */;
 val* var /* : nullable MPropDef */;
@@ -78,7 +87,7 @@ val* var10 /* : ASTValidationVisitor */;
 val* var_val /* var val: nullable Object */;
 var_npropdef = p0;
 {
-{ /* Inline modelize_property#APropdef#mpropdef (var_npropdef) on <var_npropdef:APropdef> */
+{ /* Inline modelize_property$APropdef$mpropdef (var_npropdef) on <var_npropdef:APropdef> */
 var2 = var_npropdef->attrs[COLOR_nitc__modelize_property__APropdef___mpropdef].val; /* _mpropdef on <var_npropdef:APropdef> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -91,10 +100,10 @@ var3 = 1; /* is null */
 var3 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_m,((val*)NULL)) on <var_m:nullable MPropDef> */
+{ /* Inline kernel$Object$== (var_m,((val*)NULL)) on <var_m:nullable MPropDef> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_m,var_other) on <var_m:nullable MPropDef(MPropDef)> */
+{ /* Inline kernel$Object$is_same_instance (var_m,var_other) on <var_m:nullable MPropDef(MPropDef)> */
 var8 = var_m == var_other;
 var6 = var8;
 goto RET_LABEL7;
@@ -123,26 +132,29 @@ var9 = NEW_nitc__transform__TransformVisitor(&type_nitc__transform__TransformVis
 }
 var_v = var9;
 {
-nitc___nitc__Visitor___enter_visit(var_v, var_npropdef); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:TransformVisitor>*/
+nitc___nitc__Visitor___enter_visit(var_v, var_npropdef); /* Direct call parser_nodes$Visitor$enter_visit on <var_v:TransformVisitor>*/
 }
 var10 = NEW_nitc__ASTValidationVisitor(&type_nitc__ASTValidationVisitor);
 {
-{ /* Inline kernel#Object#init (var10) on <var10:ASTValidationVisitor> */
+{ /* Inline kernel$Object$init (var10) on <var10:ASTValidationVisitor> */
 RET_LABEL11:(void)0;
 }
 }
 var_val = var10;
 {
-nitc___nitc__Visitor___enter_visit(var_val, var_npropdef); /* Direct call parser_nodes#Visitor#enter_visit on <var_val:nullable Object(ASTValidationVisitor)>*/
+nitc___nitc__Visitor___enter_visit(var_val, var_npropdef); /* Direct call parser_nodes$Visitor$enter_visit on <var_val:nullable Object(ASTValidationVisitor)>*/
 }
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#phase for (self: TransformVisitor): TransformPhase */
+/* method transform$TransformVisitor$phase for (self: TransformVisitor): TransformPhase */
 val* nitc__transform___nitc__transform__TransformVisitor___phase(val* self) {
 val* var /* : TransformPhase */;
 val* var1 /* : TransformPhase */;
 var1 = self->attrs[COLOR_nitc__transform__TransformVisitor___phase].val; /* _phase on <self:TransformVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _phase");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 58);
 fatal_exit(1);
@@ -151,17 +163,20 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#TransformVisitor#phase= for (self: TransformVisitor, TransformPhase) */
+/* method transform$TransformVisitor$phase= for (self: TransformVisitor, TransformPhase) */
 void nitc__transform___nitc__transform__TransformVisitor___phase_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__transform__TransformVisitor___phase].val = p0; /* _phase on <self:TransformVisitor> */
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#mmodule for (self: TransformVisitor): MModule */
+/* method transform$TransformVisitor$mmodule for (self: TransformVisitor): MModule */
 val* nitc__transform___nitc__transform__TransformVisitor___mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__transform__TransformVisitor___mmodule].val; /* _mmodule on <self:TransformVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 59);
 fatal_exit(1);
@@ -170,17 +185,20 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#TransformVisitor#mmodule= for (self: TransformVisitor, MModule) */
+/* method transform$TransformVisitor$mmodule= for (self: TransformVisitor, MModule) */
 void nitc__transform___nitc__transform__TransformVisitor___mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__transform__TransformVisitor___mmodule].val = p0; /* _mmodule on <self:TransformVisitor> */
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#mclassdef for (self: TransformVisitor): MClassDef */
+/* method transform$TransformVisitor$mclassdef for (self: TransformVisitor): MClassDef */
 val* nitc__transform___nitc__transform__TransformVisitor___mclassdef(val* self) {
 val* var /* : MClassDef */;
 val* var1 /* : MClassDef */;
 var1 = self->attrs[COLOR_nitc__transform__TransformVisitor___mclassdef].val; /* _mclassdef on <self:TransformVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 60);
 fatal_exit(1);
@@ -189,17 +207,20 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#TransformVisitor#mclassdef= for (self: TransformVisitor, MClassDef) */
+/* method transform$TransformVisitor$mclassdef= for (self: TransformVisitor, MClassDef) */
 void nitc__transform___nitc__transform__TransformVisitor___mclassdef_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__transform__TransformVisitor___mclassdef].val = p0; /* _mclassdef on <self:TransformVisitor> */
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#mpropdef for (self: TransformVisitor): MPropDef */
+/* method transform$TransformVisitor$mpropdef for (self: TransformVisitor): MPropDef */
 val* nitc__transform___nitc__transform__TransformVisitor___mpropdef(val* self) {
 val* var /* : MPropDef */;
 val* var1 /* : MPropDef */;
 var1 = self->attrs[COLOR_nitc__transform__TransformVisitor___mpropdef].val; /* _mpropdef on <self:TransformVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mpropdef");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 61);
 fatal_exit(1);
@@ -208,17 +229,20 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#TransformVisitor#mpropdef= for (self: TransformVisitor, MPropDef) */
+/* method transform$TransformVisitor$mpropdef= for (self: TransformVisitor, MPropDef) */
 void nitc__transform___nitc__transform__TransformVisitor___mpropdef_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__transform__TransformVisitor___mpropdef].val = p0; /* _mpropdef on <self:TransformVisitor> */
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#builder for (self: TransformVisitor): ASTBuilder */
+/* method transform$TransformVisitor$builder for (self: TransformVisitor): ASTBuilder */
 val* nitc__transform___nitc__transform__TransformVisitor___builder(val* self) {
 val* var /* : ASTBuilder */;
 val* var1 /* : ASTBuilder */;
 var1 = self->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <self:TransformVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -227,12 +251,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#TransformVisitor#builder= for (self: TransformVisitor, ASTBuilder) */
+/* method transform$TransformVisitor$builder= for (self: TransformVisitor, ASTBuilder) */
 void nitc__transform___nitc__transform__TransformVisitor___builder_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__transform__TransformVisitor___builder].val = p0; /* _builder on <self:TransformVisitor> */
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#init for (self: TransformVisitor) */
+/* method transform$TransformVisitor$init for (self: TransformVisitor) */
 void nitc__transform___nitc__transform__TransformVisitor___core__kernel__Object__init(val* self) {
 val* var /* : MPropDef */;
 val* var2 /* : MPropDef */;
@@ -255,9 +279,12 @@ val* var26 /* : MClassType */;
 ((void(*)(val* self))(self->class->vft[COLOR_nitc__transform___nitc__transform__TransformVisitor___core__kernel__Object__init]))(self); /* init on <self:TransformVisitor>*/
 }
 {
-{ /* Inline transform#TransformVisitor#mpropdef (self) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$mpropdef (self) on <self:TransformVisitor> */
 var2 = self->attrs[COLOR_nitc__transform__TransformVisitor___mpropdef].val; /* _mpropdef on <self:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mpropdef");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 61);
 fatal_exit(1);
@@ -267,11 +294,14 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline model#MPropDef#mclassdef (var) on <var:MPropDef> */
+{ /* Inline model$MPropDef$mclassdef (var) on <var:MPropDef> */
 var5 = var->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var:MPropDef> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2227);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2354);
 fatal_exit(1);
 }
 var3 = var5;
@@ -279,15 +309,18 @@ RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#mclassdef= (self,var3) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$mclassdef= (self,var3) on <self:TransformVisitor> */
 self->attrs[COLOR_nitc__transform__TransformVisitor___mclassdef].val = var3; /* _mclassdef on <self:TransformVisitor> */
 RET_LABEL6:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#mclassdef (self) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$mclassdef (self) on <self:TransformVisitor> */
 var9 = self->attrs[COLOR_nitc__transform__TransformVisitor___mclassdef].val; /* _mclassdef on <self:TransformVisitor> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 60);
 fatal_exit(1);
@@ -297,11 +330,14 @@ RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mmodule (var7) on <var7:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (var7) on <var7:MClassDef> */
 var12 = var7->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var7:MClassDef> */
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var10 = var12;
@@ -309,16 +345,19 @@ RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#mmodule= (self,var10) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$mmodule= (self,var10) on <self:TransformVisitor> */
 self->attrs[COLOR_nitc__transform__TransformVisitor___mmodule].val = var10; /* _mmodule on <self:TransformVisitor> */
 RET_LABEL13:(void)0;
 }
 }
 var14 = NEW_nitc__ASTBuilder(&type_nitc__ASTBuilder);
 {
-{ /* Inline transform#TransformVisitor#mmodule (self) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$mmodule (self) on <self:TransformVisitor> */
 var17 = self->attrs[COLOR_nitc__transform__TransformVisitor___mmodule].val; /* _mmodule on <self:TransformVisitor> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 59);
 fatal_exit(1);
@@ -328,9 +367,12 @@ RET_LABEL16:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#mpropdef (self) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$mpropdef (self) on <self:TransformVisitor> */
 var20 = self->attrs[COLOR_nitc__transform__TransformVisitor___mpropdef].val; /* _mpropdef on <self:TransformVisitor> */
 if (unlikely(var20 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mpropdef");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 61);
 fatal_exit(1);
@@ -340,11 +382,14 @@ RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline model#MPropDef#mclassdef (var18) on <var18:MPropDef> */
+{ /* Inline model$MPropDef$mclassdef (var18) on <var18:MPropDef> */
 var23 = var18->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var18:MPropDef> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2227);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2354);
 fatal_exit(1);
 }
 var21 = var23;
@@ -352,11 +397,14 @@ RET_LABEL22:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#bound_mtype (var21) on <var21:MClassDef> */
+{ /* Inline model$MClassDef$bound_mtype (var21) on <var21:MClassDef> */
 var26 = var21->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <var21:MClassDef> */
 if (unlikely(var26 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _bound_mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 579);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 594);
 fatal_exit(1);
 }
 var24 = var26;
@@ -373,14 +421,14 @@ RET_LABEL25:(void)0;
 ((void(*)(val* self))(var14->class->vft[COLOR_core__kernel__Object__init]))(var14); /* init on <var14:ASTBuilder>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder= (self,var14) on <self:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder= (self,var14) on <self:TransformVisitor> */
 self->attrs[COLOR_nitc__transform__TransformVisitor___builder].val = var14; /* _builder on <self:TransformVisitor> */
 RET_LABEL27:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method transform#TransformVisitor#visit for (self: TransformVisitor, ANode) */
+/* method transform$TransformVisitor$visit for (self: TransformVisitor, ANode) */
 void nitc__transform___nitc__transform__TransformVisitor___nitc__parser_nodes__Visitor__visit(val* self, val* p0) {
 val* var_node /* var node: ANode */;
 short int var /* : Bool */;
@@ -404,7 +452,7 @@ goto RET_LABEL;
 }
 RET_LABEL:;
 }
-/* method transform#ANode#full_transform_visitor for (self: ANode, TransformVisitor) */
+/* method transform$ANode$full_transform_visitor for (self: ANode, TransformVisitor) */
 void nitc__transform___ANode___full_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 var_v = p0;
@@ -416,13 +464,13 @@ var_v = p0;
 }
 RET_LABEL:;
 }
-/* method transform#ANode#accept_transform_visitor for (self: ANode, TransformVisitor) */
+/* method transform$ANode$accept_transform_visitor for (self: ANode, TransformVisitor) */
 void nitc__transform___ANode___accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 var_v = p0;
 RET_LABEL:;
 }
-/* method transform#AExpr#full_transform_visitor for (self: AExpr, TransformVisitor) */
+/* method transform$AExpr$full_transform_visitor for (self: AExpr, TransformVisitor) */
 void nitc__transform___AExpr___ANode__full_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable AArrayExpr */;
@@ -451,7 +499,7 @@ short int var21 /* : Bool */;
 short int var23 /* : Bool */;
 var_v = p0;
 {
-{ /* Inline typing#AExpr#comprehension (self) on <self:AExpr> */
+{ /* Inline typing$AExpr$comprehension (self) on <self:AExpr> */
 var2 = self->attrs[COLOR_nitc__typing__AExpr___comprehension].val; /* _comprehension on <self:AExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -464,7 +512,7 @@ var3 = 0; /* is null */
 var3 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_na,((val*)NULL)) on <var_na:nullable AArrayExpr> */
+{ /* Inline kernel$Object$!= (var_na,((val*)NULL)) on <var_na:nullable AArrayExpr> */
 var_other = ((val*)NULL);
 {
 var6 = ((short int(*)(val* self, val* p0))(var_na->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_na, var_other); /* == on <var_na:nullable AArrayExpr(AArrayExpr)>*/
@@ -482,11 +530,14 @@ var8 = nitc__astbuilder___AExpr___detach_with_placeholder(self);
 }
 var_place = var8;
 {
-{ /* Inline transform#AArrayExpr#nnew (var_na) on <var_na:nullable AArrayExpr(AArrayExpr)> */
+{ /* Inline transform$AArrayExpr$nnew (var_na) on <var_na:nullable AArrayExpr(AArrayExpr)> */
 var11 = var_na->attrs[COLOR_nitc__transform__AArrayExpr___nnew].val; /* _nnew on <var_na:nullable AArrayExpr(AArrayExpr)> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _nnew");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 392);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 393);
 fatal_exit(1);
 }
 var9 = var11;
@@ -498,9 +549,12 @@ var12 = nitc__astbuilder___AExpr___make_var_read(var9);
 }
 var_recv = var12;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var15 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -510,31 +564,34 @@ RET_LABEL14:(void)0;
 }
 }
 {
-{ /* Inline typing#AArrayExpr#push_callsite (var_na) on <var_na:nullable AArrayExpr(AArrayExpr)> */
+{ /* Inline typing$AArrayExpr$push_callsite (var_na) on <var_na:nullable AArrayExpr(AArrayExpr)> */
 var18 = var_na->attrs[COLOR_nitc__typing__AArrayExpr___push_callsite].val; /* _push_callsite on <var_na:nullable AArrayExpr(AArrayExpr)> */
 var16 = var18;
 RET_LABEL17:(void)0;
 }
 }
 if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 104);
 fatal_exit(1);
 }
 var19 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___with_capacity(var19, 1l); /* Direct call array#Array#with_capacity on <var19:Array[AExpr]>*/
+core___core__Array___with_capacity(var19, 1l); /* Direct call array$Array$with_capacity on <var19:Array[AExpr]>*/
 }
 var_ = var19;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, self); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, self); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
 var20 = nitc___nitc__ASTBuilder___make_call(var13, var_recv, var16, var_);
 }
 var_nadd = var20;
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(var_place, var_nadd); /* Direct call transform#AExpr#replace_with on <var_place:AExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(var_place, var_nadd); /* Direct call transform$AExpr$replace_with on <var_place:AExpr>*/
 }
 } else {
 }
@@ -542,7 +599,7 @@ nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(var_place, var
 ((void(*)(val* self, val* p0))(self->class->vft[COLOR_nitc__parser_nodes__ANode__visit_all]))(self, var_v); /* visit_all on <self:AExpr>*/
 }
 {
-{ /* Inline modelbuilder_base#ANode#is_broken (self) on <self:AExpr> */
+{ /* Inline modelbuilder_base$ANode$is_broken (self) on <self:AExpr> */
 var23 = self->attrs[COLOR_nitc__modelbuilder_base__ANode___is_broken].s; /* _is_broken on <self:AExpr> */
 var21 = var23;
 RET_LABEL22:(void)0;
@@ -557,7 +614,7 @@ goto RET_LABEL;
 }
 RET_LABEL:;
 }
-/* method transform#AExpr#replace_with for (self: AExpr, ANode) */
+/* method transform$AExpr$replace_with for (self: AExpr, ANode) */
 void nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(val* self, val* p0) {
 val* var_other /* var other: ANode */;
 short int var /* : Bool */;
@@ -572,6 +629,8 @@ short int var8 /* : Bool */;
 short int var10 /* : Bool */;
 val* var11 /* : nullable MType */;
 val* var13 /* : nullable MType */;
+long var15 /* : Int */;
+long var17 /* : Int */;
 var_other = p0;
 {
 ((void(*)(val* self, val* p0))(self->class->vft[COLOR_nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with]))(self, p0); /* replace_with on <self:AExpr>*/
@@ -586,7 +645,7 @@ var = var_other->type->type_table[cltype] == idtype;
 }
 if (var){
 {
-{ /* Inline typing#AExpr#implicit_cast_to (var_other) on <var_other:ANode(AExpr)> */
+{ /* Inline typing$AExpr$implicit_cast_to (var_other) on <var_other:ANode(AExpr)> */
 var3 = var_other->attrs[COLOR_nitc__typing__AExpr___implicit_cast_to].val; /* _implicit_cast_to on <var_other:ANode(AExpr)> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -598,10 +657,10 @@ var4 = 1; /* is null */
 var4 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var1,((val*)NULL)) on <var1:nullable MType> */
+{ /* Inline kernel$Object$== (var1,((val*)NULL)) on <var1:nullable MType> */
 var_other7 = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var1,var_other7) on <var1:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var1,var_other7) on <var1:nullable MType(MType)> */
 var10 = var1 == var_other7;
 var8 = var10;
 goto RET_LABEL9;
@@ -616,25 +675,38 @@ var4 = var5;
 }
 if (var4){
 {
-{ /* Inline typing#AExpr#implicit_cast_to (self) on <self:AExpr> */
+{ /* Inline typing$AExpr$implicit_cast_to (self) on <self:AExpr> */
 var13 = self->attrs[COLOR_nitc__typing__AExpr___implicit_cast_to].val; /* _implicit_cast_to on <self:AExpr> */
 var11 = var13;
 RET_LABEL12:(void)0;
 }
 }
 {
-{ /* Inline typing#AExpr#implicit_cast_to= (var_other,var11) on <var_other:ANode(AExpr)> */
+{ /* Inline typing$AExpr$implicit_cast_to= (var_other,var11) on <var_other:ANode(AExpr)> */
 var_other->attrs[COLOR_nitc__typing__AExpr___implicit_cast_to].val = var11; /* _implicit_cast_to on <var_other:ANode(AExpr)> */
 RET_LABEL14:(void)0;
 }
 }
 } else {
 }
+{
+{ /* Inline typing$AExpr$vararg_decl (self) on <self:AExpr> */
+var17 = self->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l; /* _vararg_decl on <self:AExpr> */
+var15 = var17;
+RET_LABEL16:(void)0;
+}
+}
+{
+{ /* Inline typing$AExpr$vararg_decl= (var_other,var15) on <var_other:ANode(AExpr)> */
+var_other->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l = var15; /* _vararg_decl on <var_other:ANode(AExpr)> */
+RET_LABEL18:(void)0;
+}
+}
 } else {
 }
 RET_LABEL:;
 }
-/* method transform#AVardeclExpr#accept_transform_visitor for (self: AVardeclExpr, TransformVisitor) */
+/* method transform$AVardeclExpr$accept_transform_visitor for (self: AVardeclExpr, TransformVisitor) */
 void nitc__transform___AVardeclExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable AExpr */;
@@ -653,7 +725,7 @@ val* var15 /* : AVarAssignExpr */;
 val* var_nvar /* var nvar: AVarAssignExpr */;
 var_v = p0;
 {
-{ /* Inline parser_nodes#AVardeclExpr#n_expr (self) on <self:AVardeclExpr> */
+{ /* Inline parser_nodes$AVardeclExpr$n_expr (self) on <self:AVardeclExpr> */
 var2 = self->attrs[COLOR_nitc__parser_nodes__AVardeclExpr___n_expr].val; /* _n_expr on <self:AVardeclExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -666,10 +738,10 @@ var3 = 1; /* is null */
 var3 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_nexpr,((val*)NULL)) on <var_nexpr:nullable AExpr> */
+{ /* Inline kernel$Object$== (var_nexpr,((val*)NULL)) on <var_nexpr:nullable AExpr> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_nexpr,var_other) on <var_nexpr:nullable AExpr(AExpr)> */
+{ /* Inline kernel$Object$is_same_instance (var_nexpr,var_other) on <var_nexpr:nullable AExpr(AExpr)> */
 var8 = var_nexpr == var_other;
 var6 = var8;
 goto RET_LABEL7;
@@ -685,9 +757,12 @@ var3 = var4;
 if (var3){
 } else {
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var11 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -697,15 +772,18 @@ RET_LABEL10:(void)0;
 }
 }
 {
-{ /* Inline scope#AVardeclExpr#variable (self) on <self:AVardeclExpr> */
+{ /* Inline scope$AVardeclExpr$variable (self) on <self:AVardeclExpr> */
 var14 = self->attrs[COLOR_nitc__scope__AVardeclExpr___variable].val; /* _variable on <self:AVardeclExpr> */
 var12 = var14;
 RET_LABEL13:(void)0;
 }
 }
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 138);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 139);
 fatal_exit(1);
 }
 {
@@ -713,12 +791,12 @@ var15 = nitc___nitc__ASTBuilder___make_var_assign(var9, var12, var_nexpr);
 }
 var_nvar = var15;
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nvar); /* Direct call transform#AExpr#replace_with on <self:AVardeclExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nvar); /* Direct call transform$AExpr$replace_with on <self:AVardeclExpr>*/
 }
 }
 RET_LABEL:;
 }
-/* method transform#AIfexprExpr#accept_transform_visitor for (self: AIfexprExpr, TransformVisitor) */
+/* method transform$AIfexprExpr$accept_transform_visitor for (self: AIfexprExpr, TransformVisitor) */
 void nitc__transform___AIfexprExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : ASTBuilder */;
@@ -739,9 +817,12 @@ val* var19 /* : AExpr */;
 val* var21 /* : AExpr */;
 var_v = p0;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var2 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -751,11 +832,14 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AIfexprExpr#n_expr (self) on <self:AIfexprExpr> */
+{ /* Inline parser_nodes$AIfexprExpr$n_expr (self) on <self:AIfexprExpr> */
 var5 = self->attrs[COLOR_nitc__parser_nodes__AIfexprExpr___n_expr].val; /* _n_expr on <self:AIfexprExpr> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1866);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1947);
 fatal_exit(1);
 }
 var3 = var5;
@@ -763,7 +847,7 @@ RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline typing#AExpr#mtype (self) on <self:AIfexprExpr> */
+{ /* Inline typing$AExpr$mtype (self) on <self:AIfexprExpr> */
 var8 = self->attrs[COLOR_nitc__typing__AExpr___mtype].val; /* _mtype on <self:AIfexprExpr> */
 var6 = var8;
 RET_LABEL7:(void)0;
@@ -774,18 +858,21 @@ var9 = nitc___nitc__ASTBuilder___make_if(var, var3, var6);
 }
 var_nif = var9;
 {
-{ /* Inline parser_nodes#AIfExpr#n_then (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_then (var_nif) on <var_nif:AIfExpr> */
 var12 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_then].val; /* _n_then on <var_nif:AIfExpr> */
 var10 = var12;
 RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AIfexprExpr#n_then (self) on <self:AIfexprExpr> */
+{ /* Inline parser_nodes$AIfexprExpr$n_then (self) on <self:AIfexprExpr> */
 var15 = self->attrs[COLOR_nitc__parser_nodes__AIfexprExpr___n_then].val; /* _n_then on <self:AIfexprExpr> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_then");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1872);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1953);
 fatal_exit(1);
 }
 var13 = var15;
@@ -793,25 +880,31 @@ RET_LABEL14:(void)0;
 }
 }
 if (var10 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 151);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 152);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var10->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var10, var13); /* add on <var10:nullable AExpr>*/
 }
 {
-{ /* Inline parser_nodes#AIfExpr#n_else (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_else (var_nif) on <var_nif:AIfExpr> */
 var18 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_else].val; /* _n_else on <var_nif:AIfExpr> */
 var16 = var18;
 RET_LABEL17:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AIfexprExpr#n_else (self) on <self:AIfexprExpr> */
+{ /* Inline parser_nodes$AIfexprExpr$n_else (self) on <self:AIfexprExpr> */
 var21 = self->attrs[COLOR_nitc__parser_nodes__AIfexprExpr___n_else].val; /* _n_else on <self:AIfexprExpr> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_else");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1878);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1959);
 fatal_exit(1);
 }
 var19 = var21;
@@ -819,18 +912,21 @@ RET_LABEL20:(void)0;
 }
 }
 if (var16 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 152);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 153);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var16->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var16, var19); /* add on <var16:nullable AExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nif); /* Direct call transform#AExpr#replace_with on <self:AIfexprExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nif); /* Direct call transform$AExpr$replace_with on <self:AIfexprExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AOrExpr#accept_transform_visitor for (self: AOrExpr, TransformVisitor) */
+/* method transform$AOrExpr$accept_transform_visitor for (self: AOrExpr, TransformVisitor) */
 void nitc__transform___AOrExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : ASTBuilder */;
@@ -852,9 +948,12 @@ val* var20 /* : AExpr */;
 val* var22 /* : AExpr */;
 var_v = p0;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var2 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -864,11 +963,14 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ABinBoolExpr#n_expr (self) on <self:AOrExpr> */
+{ /* Inline parser_nodes$ABinBoolExpr$n_expr (self) on <self:AOrExpr> */
 var5 = self->attrs[COLOR_nitc__parser_nodes__ABinBoolExpr___n_expr].val; /* _n_expr on <self:AOrExpr> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2050);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2131);
 fatal_exit(1);
 }
 var3 = var5;
@@ -876,7 +978,7 @@ RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline typing#AExpr#mtype (self) on <self:AOrExpr> */
+{ /* Inline typing$AExpr$mtype (self) on <self:AOrExpr> */
 var8 = self->attrs[COLOR_nitc__typing__AExpr___mtype].val; /* _mtype on <self:AOrExpr> */
 var6 = var8;
 RET_LABEL7:(void)0;
@@ -887,18 +989,21 @@ var9 = nitc___nitc__ASTBuilder___make_if(var, var3, var6);
 }
 var_nif = var9;
 {
-{ /* Inline parser_nodes#AIfExpr#n_then (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_then (var_nif) on <var_nif:AIfExpr> */
 var12 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_then].val; /* _n_then on <var_nif:AIfExpr> */
 var10 = var12;
 RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ABinBoolExpr#n_expr (self) on <self:AOrExpr> */
+{ /* Inline parser_nodes$ABinBoolExpr$n_expr (self) on <self:AOrExpr> */
 var15 = self->attrs[COLOR_nitc__parser_nodes__ABinBoolExpr___n_expr].val; /* _n_expr on <self:AOrExpr> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2050);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2131);
 fatal_exit(1);
 }
 var13 = var15;
@@ -909,25 +1014,31 @@ RET_LABEL14:(void)0;
 var16 = nitc__astbuilder___AExpr___make_var_read(var13);
 }
 if (var10 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 164);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var10->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var10, var16); /* add on <var10:nullable AExpr>*/
 }
 {
-{ /* Inline parser_nodes#AIfExpr#n_else (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_else (var_nif) on <var_nif:AIfExpr> */
 var19 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_else].val; /* _n_else on <var_nif:AIfExpr> */
 var17 = var19;
 RET_LABEL18:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ABinBoolExpr#n_expr2 (self) on <self:AOrExpr> */
+{ /* Inline parser_nodes$ABinBoolExpr$n_expr2 (self) on <self:AOrExpr> */
 var22 = self->attrs[COLOR_nitc__parser_nodes__ABinBoolExpr___n_expr2].val; /* _n_expr2 on <self:AOrExpr> */
 if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2056);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2137);
 fatal_exit(1);
 }
 var20 = var22;
@@ -935,24 +1046,27 @@ RET_LABEL21:(void)0;
 }
 }
 if (var17 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 164);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 165);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var17->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var17, var20); /* add on <var17:nullable AExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nif); /* Direct call transform#AExpr#replace_with on <self:AOrExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nif); /* Direct call transform$AExpr$replace_with on <self:AOrExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AImpliesExpr#accept_transform_visitor for (self: AImpliesExpr, TransformVisitor) */
+/* method transform$AImpliesExpr$accept_transform_visitor for (self: AImpliesExpr, TransformVisitor) */
 void nitc__transform___AImpliesExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 var_v = p0;
 RET_LABEL:;
 }
-/* method transform#AAndExpr#accept_transform_visitor for (self: AAndExpr, TransformVisitor) */
+/* method transform$AAndExpr$accept_transform_visitor for (self: AAndExpr, TransformVisitor) */
 void nitc__transform___AAndExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : ASTBuilder */;
@@ -974,9 +1088,12 @@ val* var21 /* : AExpr */;
 val* var22 /* : AVarExpr */;
 var_v = p0;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var2 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -986,11 +1103,14 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ABinBoolExpr#n_expr (self) on <self:AAndExpr> */
+{ /* Inline parser_nodes$ABinBoolExpr$n_expr (self) on <self:AAndExpr> */
 var5 = self->attrs[COLOR_nitc__parser_nodes__ABinBoolExpr___n_expr].val; /* _n_expr on <self:AAndExpr> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2050);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2131);
 fatal_exit(1);
 }
 var3 = var5;
@@ -998,7 +1118,7 @@ RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline typing#AExpr#mtype (self) on <self:AAndExpr> */
+{ /* Inline typing$AExpr$mtype (self) on <self:AAndExpr> */
 var8 = self->attrs[COLOR_nitc__typing__AExpr___mtype].val; /* _mtype on <self:AAndExpr> */
 var6 = var8;
 RET_LABEL7:(void)0;
@@ -1009,18 +1129,21 @@ var9 = nitc___nitc__ASTBuilder___make_if(var, var3, var6);
 }
 var_nif = var9;
 {
-{ /* Inline parser_nodes#AIfExpr#n_then (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_then (var_nif) on <var_nif:AIfExpr> */
 var12 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_then].val; /* _n_then on <var_nif:AIfExpr> */
 var10 = var12;
 RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ABinBoolExpr#n_expr2 (self) on <self:AAndExpr> */
+{ /* Inline parser_nodes$ABinBoolExpr$n_expr2 (self) on <self:AAndExpr> */
 var15 = self->attrs[COLOR_nitc__parser_nodes__ABinBoolExpr___n_expr2].val; /* _n_expr2 on <self:AAndExpr> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2056);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2137);
 fatal_exit(1);
 }
 var13 = var15;
@@ -1028,25 +1151,31 @@ RET_LABEL14:(void)0;
 }
 }
 if (var10 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 182);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 183);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var10->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var10, var13); /* add on <var10:nullable AExpr>*/
 }
 {
-{ /* Inline parser_nodes#AIfExpr#n_else (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_else (var_nif) on <var_nif:AIfExpr> */
 var18 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_else].val; /* _n_else on <var_nif:AIfExpr> */
 var16 = var18;
 RET_LABEL17:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ABinBoolExpr#n_expr (self) on <self:AAndExpr> */
+{ /* Inline parser_nodes$ABinBoolExpr$n_expr (self) on <self:AAndExpr> */
 var21 = self->attrs[COLOR_nitc__parser_nodes__ABinBoolExpr___n_expr].val; /* _n_expr on <self:AAndExpr> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2050);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2131);
 fatal_exit(1);
 }
 var19 = var21;
@@ -1057,18 +1186,21 @@ RET_LABEL20:(void)0;
 var22 = nitc__astbuilder___AExpr___make_var_read(var19);
 }
 if (var16 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 183);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 184);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var16->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var16, var22); /* add on <var16:nullable AExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nif); /* Direct call transform#AExpr#replace_with on <self:AAndExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nif); /* Direct call transform$AExpr$replace_with on <self:AAndExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AWhileExpr#accept_transform_visitor for (self: AWhileExpr, TransformVisitor) */
+/* method transform$AWhileExpr$accept_transform_visitor for (self: AWhileExpr, TransformVisitor) */
 void nitc__transform___AWhileExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : ASTBuilder */;
@@ -1106,9 +1238,12 @@ val* var36 /* : nullable EscapeMark */;
 val* var38 /* : nullable EscapeMark */;
 var_v = p0;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var2 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1122,9 +1257,12 @@ var3 = nitc___nitc__ASTBuilder___make_loop(var);
 }
 var_nloop = var3;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var6 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1134,11 +1272,14 @@ RET_LABEL5:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AWhileExpr#n_expr (self) on <self:AWhileExpr> */
+{ /* Inline parser_nodes$AWhileExpr$n_expr (self) on <self:AWhileExpr> */
 var9 = self->attrs[COLOR_nitc__parser_nodes__AWhileExpr___n_expr].val; /* _n_expr on <self:AWhileExpr> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1890);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1971);
 fatal_exit(1);
 }
 var7 = var9;
@@ -1150,10 +1291,10 @@ var10 = nitc___nitc__ASTBuilder___make_if(var4, var7, ((val*)NULL));
 }
 var_nif = var10;
 {
-nitc__astbuilder___ALoopExpr___AExpr__add(var_nloop, var_nif); /* Direct call astbuilder#ALoopExpr#add on <var_nloop:ALoopExpr>*/
+nitc__astbuilder___ALoopExpr___AExpr__add(var_nloop, var_nif); /* Direct call astbuilder$ALoopExpr$add on <var_nloop:ALoopExpr>*/
 }
 {
-{ /* Inline parser_nodes#AWhileExpr#n_block (self) on <self:AWhileExpr> */
+{ /* Inline parser_nodes$AWhileExpr$n_block (self) on <self:AWhileExpr> */
 var13 = self->attrs[COLOR_nitc__parser_nodes__AWhileExpr___n_block].val; /* _n_block on <self:AWhileExpr> */
 var11 = var13;
 RET_LABEL12:(void)0;
@@ -1166,7 +1307,7 @@ var14 = 0; /* is null */
 var14 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_nblock,((val*)NULL)) on <var_nblock:nullable AExpr> */
+{ /* Inline kernel$Object$!= (var_nblock,((val*)NULL)) on <var_nblock:nullable AExpr> */
 var_other = ((val*)NULL);
 {
 var17 = ((short int(*)(val* self, val* p0))(var_nblock->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_nblock, var_other); /* == on <var_nblock:nullable AExpr(AExpr)>*/
@@ -1180,15 +1321,18 @@ var14 = var15;
 }
 if (var14){
 {
-{ /* Inline parser_nodes#AIfExpr#n_then (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_then (var_nif) on <var_nif:AIfExpr> */
 var21 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_then].val; /* _n_then on <var_nif:AIfExpr> */
 var19 = var21;
 RET_LABEL20:(void)0;
 }
 }
 if (var19 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 197);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 198);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var19->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var19, var_nblock); /* add on <var19:nullable AExpr>*/
@@ -1196,22 +1340,28 @@ fatal_exit(1);
 } else {
 }
 {
-{ /* Inline scope#AWhileExpr#break_mark (self) on <self:AWhileExpr> */
+{ /* Inline scope$AWhileExpr$break_mark (self) on <self:AWhileExpr> */
 var24 = self->attrs[COLOR_nitc__scope__AWhileExpr___break_mark].val; /* _break_mark on <self:AWhileExpr> */
 var22 = var24;
 RET_LABEL23:(void)0;
 }
 }
 if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 199);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 200);
 fatal_exit(1);
 }
 var_escapemark = var22;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var27 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1225,51 +1375,54 @@ var28 = nitc___nitc__ASTBuilder___make_break(var25, var_escapemark);
 }
 var_nbreak = var28;
 {
-{ /* Inline parser_nodes#AIfExpr#n_else (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_else (var_nif) on <var_nif:AIfExpr> */
 var31 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_else].val; /* _n_else on <var_nif:AIfExpr> */
 var29 = var31;
 RET_LABEL30:(void)0;
 }
 }
 if (var29 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 201);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 202);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var29->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var29, var_nbreak); /* add on <var29:nullable AExpr>*/
 }
 {
-{ /* Inline scope#AWhileExpr#break_mark (self) on <self:AWhileExpr> */
+{ /* Inline scope$AWhileExpr$break_mark (self) on <self:AWhileExpr> */
 var34 = self->attrs[COLOR_nitc__scope__AWhileExpr___break_mark].val; /* _break_mark on <self:AWhileExpr> */
 var32 = var34;
 RET_LABEL33:(void)0;
 }
 }
 {
-{ /* Inline scope#ALoopExpr#break_mark= (var_nloop,var32) on <var_nloop:ALoopExpr> */
+{ /* Inline scope$ALoopExpr$break_mark= (var_nloop,var32) on <var_nloop:ALoopExpr> */
 var_nloop->attrs[COLOR_nitc__scope__ALoopExpr___break_mark].val = var32; /* _break_mark on <var_nloop:ALoopExpr> */
 RET_LABEL35:(void)0;
 }
 }
 {
-{ /* Inline scope#AWhileExpr#continue_mark (self) on <self:AWhileExpr> */
+{ /* Inline scope$AWhileExpr$continue_mark (self) on <self:AWhileExpr> */
 var38 = self->attrs[COLOR_nitc__scope__AWhileExpr___continue_mark].val; /* _continue_mark on <self:AWhileExpr> */
 var36 = var38;
 RET_LABEL37:(void)0;
 }
 }
 {
-{ /* Inline scope#ALoopExpr#continue_mark= (var_nloop,var36) on <var_nloop:ALoopExpr> */
+{ /* Inline scope$ALoopExpr$continue_mark= (var_nloop,var36) on <var_nloop:ALoopExpr> */
 var_nloop->attrs[COLOR_nitc__scope__ALoopExpr___continue_mark].val = var36; /* _continue_mark on <var_nloop:ALoopExpr> */
 RET_LABEL39:(void)0;
 }
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nloop); /* Direct call transform#AExpr#replace_with on <self:AWhileExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nloop); /* Direct call transform$AExpr$replace_with on <self:AWhileExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AForExpr#accept_transform_visitor for (self: AForExpr, TransformVisitor) */
+/* method transform$AForExpr$accept_transform_visitor for (self: AForExpr, TransformVisitor) */
 void nitc__transform___AForExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable EscapeMark */;
@@ -1314,7 +1467,7 @@ val* var42 /* : nullable Object */;
 val* var_g /* var g: AForGroup */;
 var_v = p0;
 {
-{ /* Inline scope#AForExpr#break_mark (self) on <self:AForExpr> */
+{ /* Inline scope$AForExpr$break_mark (self) on <self:AForExpr> */
 var2 = self->attrs[COLOR_nitc__scope__AForExpr___break_mark].val; /* _break_mark on <self:AForExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -1327,7 +1480,7 @@ var3 = 0; /* is null */
 var3 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_escapemark,((val*)NULL)) on <var_escapemark:nullable EscapeMark> */
+{ /* Inline kernel$Object$!= (var_escapemark,((val*)NULL)) on <var_escapemark:nullable EscapeMark> */
 var_other = ((val*)NULL);
 {
 var6 = ((short int(*)(val* self, val* p0))(var_escapemark->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_escapemark, var_other); /* == on <var_escapemark:nullable EscapeMark(EscapeMark)>*/
@@ -1340,14 +1493,20 @@ RET_LABEL5:(void)0;
 var3 = var4;
 }
 if (unlikely(!var3)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 214);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 215);
 fatal_exit(1);
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var10 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var10 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1361,9 +1520,12 @@ var11 = nitc___nitc__ASTBuilder___make_block(var8);
 }
 var_nblock = var11;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var14 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1377,12 +1539,15 @@ var15 = nitc___nitc__ASTBuilder___make_block(var12);
 }
 var_before = var15;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_before); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_before); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var18 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1396,18 +1561,21 @@ var19 = nitc___nitc__ASTBuilder___make_loop(var16);
 }
 var_nloop = var19;
 {
-{ /* Inline scope#ALoopExpr#break_mark= (var_nloop,var_escapemark) on <var_nloop:ALoopExpr> */
+{ /* Inline scope$ALoopExpr$break_mark= (var_nloop,var_escapemark) on <var_nloop:ALoopExpr> */
 var_nloop->attrs[COLOR_nitc__scope__ALoopExpr___break_mark].val = var_escapemark; /* _break_mark on <var_nloop:ALoopExpr> */
 RET_LABEL20:(void)0;
 }
 }
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nloop); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nloop); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var23 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1421,12 +1589,15 @@ var24 = nitc___nitc__ASTBuilder___make_block(var21);
 }
 var_begin = var24;
 {
-nitc__astbuilder___ALoopExpr___AExpr__add(var_nloop, var_begin); /* Direct call astbuilder#ALoopExpr#add on <var_nloop:ALoopExpr>*/
+nitc__astbuilder___ALoopExpr___AExpr__add(var_nloop, var_begin); /* Direct call astbuilder$ALoopExpr$add on <var_nloop:ALoopExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var27 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1440,42 +1611,48 @@ var28 = nitc___nitc__ASTBuilder___make_do(var25);
 }
 var_ndo = var28;
 {
-{ /* Inline scope#EscapeMark#continue_mark (var_escapemark) on <var_escapemark:nullable EscapeMark(EscapeMark)> */
+{ /* Inline scope$EscapeMark$continue_mark (var_escapemark) on <var_escapemark:nullable EscapeMark(EscapeMark)> */
 var31 = var_escapemark->attrs[COLOR_nitc__scope__EscapeMark___continue_mark].val; /* _continue_mark on <var_escapemark:nullable EscapeMark(EscapeMark)> */
 var29 = var31;
 RET_LABEL30:(void)0;
 }
 }
 {
-{ /* Inline scope#ADoExpr#break_mark= (var_ndo,var29) on <var_ndo:ADoExpr> */
+{ /* Inline scope$ADoExpr$break_mark= (var_ndo,var29) on <var_ndo:ADoExpr> */
 var_ndo->attrs[COLOR_nitc__scope__ADoExpr___break_mark].val = var29; /* _break_mark on <var_ndo:ADoExpr> */
 RET_LABEL32:(void)0;
 }
 }
 {
-nitc__astbuilder___ALoopExpr___AExpr__add(var_nloop, var_ndo); /* Direct call astbuilder#ALoopExpr#add on <var_nloop:ALoopExpr>*/
+nitc__astbuilder___ALoopExpr___AExpr__add(var_nloop, var_ndo); /* Direct call astbuilder$ALoopExpr$add on <var_nloop:ALoopExpr>*/
 }
 {
-{ /* Inline parser_nodes#AForExpr#n_block (self) on <self:AForExpr> */
+{ /* Inline parser_nodes$AForExpr$n_block (self) on <self:AForExpr> */
 var35 = self->attrs[COLOR_nitc__parser_nodes__AForExpr___n_block].val; /* _n_block on <self:AForExpr> */
 var33 = var35;
 RET_LABEL34:(void)0;
 }
 }
 if (unlikely(var33 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 237);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 238);
 fatal_exit(1);
 }
 {
-nitc__astbuilder___ADoExpr___AExpr__add(var_ndo, var33); /* Direct call astbuilder#ADoExpr#add on <var_ndo:ADoExpr>*/
+nitc__astbuilder___ADoExpr___AExpr__add(var_ndo, var33); /* Direct call astbuilder$ADoExpr$add on <var_ndo:ADoExpr>*/
 }
 {
-{ /* Inline parser_nodes#AForExpr#n_groups (self) on <self:AForExpr> */
+{ /* Inline parser_nodes$AForExpr$n_groups (self) on <self:AForExpr> */
 var38 = self->attrs[COLOR_nitc__parser_nodes__AForExpr___n_groups].val; /* _n_groups on <self:AForExpr> */
 if (unlikely(var38 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_groups");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1920);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2001);
 fatal_exit(1);
 }
 var36 = var38;
@@ -1500,7 +1677,7 @@ var42 = ((val*(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var
 }
 var_g = var42;
 {
-nitc__transform___AForGroup___transform_in(var_g, var_v, var_before, var_begin, var_nloop, var_nblock, var_escapemark); /* Direct call transform#AForGroup#transform_in on <var_g:AForGroup>*/
+nitc__transform___AForGroup___transform_in(var_g, var_v, var_before, var_begin, var_nloop, var_nblock, var_escapemark); /* Direct call transform$AForGroup$transform_in on <var_g:AForGroup>*/
 }
 {
 ((void(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var_40->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_40); /* next on <var_40:Iterator[AForGroup]>*/
@@ -1511,11 +1688,11 @@ BREAK_label: (void)0;
 ((void(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var_40->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_40); /* finish on <var_40:Iterator[AForGroup]>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform#AExpr#replace_with on <self:AForExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform$AExpr$replace_with on <self:AForExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AForGroup#transform_in for (self: AForGroup, TransformVisitor, AExpr, AExpr, AExpr, AExpr, EscapeMark) */
+/* method transform$AForGroup$transform_in for (self: AForGroup, TransformVisitor, AExpr, AExpr, AExpr, AExpr, EscapeMark) */
 void nitc__transform___AForGroup___transform_in(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
 val* var_v /* var v: TransformVisitor */;
 val* var_before /* var before: AExpr */;
@@ -1703,11 +1880,14 @@ var_next = p3;
 var_finish = p4;
 var_escapemark = p5;
 {
-{ /* Inline parser_nodes#AForGroup#n_expr (self) on <self:AForGroup> */
+{ /* Inline parser_nodes$AForGroup$n_expr (self) on <self:AForGroup> */
 var2 = self->attrs[COLOR_nitc__parser_nodes__AForGroup___n_expr].val; /* _n_expr on <self:AForGroup> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1943);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2024);
 fatal_exit(1);
 }
 var = var2;
@@ -1716,19 +1896,25 @@ RET_LABEL1:(void)0;
 }
 var_nexpr = var;
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var7 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var5 = var7;
 RET_LABEL6:(void)0;
 }
 }
 if (var5 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 255);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 256);
 fatal_exit(1);
 } else {
-{ /* Inline array#AbstractArrayRead#length (var5) on <var5:nullable Array[Variable]> */
+{ /* Inline array$AbstractArrayRead$length (var5) on <var5:nullable Array[Variable]> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
 PRINT_ERROR(" (%s:%d)\n", FILE_core__array, 26);
 fatal_exit(1);
@@ -1739,7 +1925,7 @@ RET_LABEL9:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var8,1l) on <var8:Int> */
+{ /* Inline kernel$Int$== (var8,1l) on <var8:Int> */
 var13 = var8 == 1l;
 var11 = var13;
 goto RET_LABEL12;
@@ -1763,9 +1949,12 @@ var4 = var_;
 var_15 = var4;
 if (var4){
 {
-{ /* Inline transform#TransformVisitor#phase (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$phase (var_v) on <var_v:TransformVisitor> */
 var18 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___phase].val; /* _phase on <var_v:TransformVisitor> */
 if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _phase");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 58);
 fatal_exit(1);
@@ -1775,11 +1964,14 @@ RET_LABEL17:(void)0;
 }
 }
 {
-{ /* Inline phase#Phase#toolcontext (var16) on <var16:TransformPhase> */
+{ /* Inline phase$Phase$toolcontext (var16) on <var16:TransformPhase> */
 var21 = var16->attrs[COLOR_nitc__phase__Phase___toolcontext].val; /* _toolcontext on <var16:TransformPhase> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _toolcontext");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__phase, 200);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__phase, 210);
 fatal_exit(1);
 }
 var19 = var21;
@@ -1787,9 +1979,12 @@ RET_LABEL20:(void)0;
 }
 }
 {
-{ /* Inline transform#ToolContext#opt_no_shortcut_range (var19) on <var19:ToolContext> */
+{ /* Inline transform$ToolContext$opt_no_shortcut_range (var19) on <var19:ToolContext> */
 var24 = var19->attrs[COLOR_nitc__transform__ToolContext___opt_no_shortcut_range].val; /* _opt_no_shortcut_range on <var19:ToolContext> */
 if (unlikely(var24 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _opt_no_shortcut_range");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 28);
 fatal_exit(1);
@@ -1799,7 +1994,7 @@ RET_LABEL23:(void)0;
 }
 }
 {
-{ /* Inline opts#Option#value (var22) on <var22:OptionBool> */
+{ /* Inline opts$Option$value (var22) on <var22:OptionBool> */
 var27 = var22->attrs[COLOR_opts__Option___value].val; /* _value on <var22:OptionBool> */
 var25 = var27;
 RET_LABEL26:(void)0;
@@ -1813,24 +2008,30 @@ var3 = var_15;
 }
 if (var3){
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var32 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var30 = var32;
 RET_LABEL31:(void)0;
 }
 }
 if (var30 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 257);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 258);
 fatal_exit(1);
 } else {
 var33 = core___core__SequenceRead___Collection__first(var30);
 }
 var_variable = var33;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var36 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var36 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1840,11 +2041,14 @@ RET_LABEL35:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ARangeExpr#n_expr (var_nexpr) on <var_nexpr:AExpr(ARangeExpr)> */
+{ /* Inline parser_nodes$ARangeExpr$n_expr (var_nexpr) on <var_nexpr:AExpr(ARangeExpr)> */
 var39 = var_nexpr->attrs[COLOR_nitc__parser_nodes__ARangeExpr___n_expr].val; /* _n_expr on <var_nexpr:AExpr(ARangeExpr)> */
 if (unlikely(var39 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2421);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2502);
 fatal_exit(1);
 }
 var37 = var39;
@@ -1858,11 +2062,14 @@ var40 = nitc___nitc__ASTBuilder___make_var_assign(var34, var_variable, var37);
 ((void(*)(val* self, val* p0))(var_before->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_before, var40); /* add on <var_before:AExpr>*/
 }
 {
-{ /* Inline parser_nodes#ARangeExpr#n_expr2 (var_nexpr) on <var_nexpr:AExpr(ARangeExpr)> */
+{ /* Inline parser_nodes$ARangeExpr$n_expr2 (var_nexpr) on <var_nexpr:AExpr(ARangeExpr)> */
 var43 = var_nexpr->attrs[COLOR_nitc__parser_nodes__ARangeExpr___n_expr2].val; /* _n_expr2 on <var_nexpr:AExpr(ARangeExpr)> */
 if (unlikely(var43 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2427);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2508);
 fatal_exit(1);
 }
 var41 = var43;
@@ -1874,9 +2081,12 @@ var_to = var41;
 ((void(*)(val* self, val* p0))(var_before->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_before, var_to); /* add on <var_before:AExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var46 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var46 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1886,9 +2096,12 @@ RET_LABEL45:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var49 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var49 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1898,51 +2111,60 @@ RET_LABEL48:(void)0;
 }
 }
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var52 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var50 = var52;
 RET_LABEL51:(void)0;
 }
 }
 if (unlikely(var50 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 263);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 264);
 fatal_exit(1);
 }
 {
 var53 = nitc___nitc__ASTBuilder___make_var_read(var47, var_variable, var50);
 }
 {
-{ /* Inline typing#AForGroup#method_lt (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_lt (self) on <self:AForGroup> */
 var56 = self->attrs[COLOR_nitc__typing__AForGroup___method_lt].val; /* _method_lt on <self:AForGroup> */
 var54 = var56;
 RET_LABEL55:(void)0;
 }
 }
 if (unlikely(var54 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 263);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 264);
 fatal_exit(1);
 }
 var57 = NEW_core__Array(&type_core__Array__nitc__AVarExpr);
 {
-core___core__Array___with_capacity(var57, 1l); /* Direct call array#Array#with_capacity on <var57:Array[AVarExpr]>*/
+core___core__Array___with_capacity(var57, 1l); /* Direct call array$Array$with_capacity on <var57:Array[AVarExpr]>*/
 }
 var_58 = var57;
 {
 var59 = nitc__astbuilder___AExpr___make_var_read(var_to);
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_58, var59); /* Direct call array#AbstractArray#push on <var_58:Array[AVarExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_58, var59); /* Direct call array$AbstractArray$push on <var_58:Array[AVarExpr]>*/
 }
 {
 var60 = nitc___nitc__ASTBuilder___make_call(var44, var53, var54, var_58);
 }
 var_is_ok = var60;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var63 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var63 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1959,16 +2181,19 @@ var_nif = var64;
 ((void(*)(val* self, val* p0))(var_begin->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_begin, var_nif); /* add on <var_begin:AExpr>*/
 }
 {
-{ /* Inline parser_nodes#AIfExpr#n_else (var_nif) on <var_nif:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_else (var_nif) on <var_nif:AIfExpr> */
 var67 = var_nif->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_else].val; /* _n_else on <var_nif:AIfExpr> */
 var65 = var67;
 RET_LABEL66:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var70 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var70 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -1981,16 +2206,22 @@ RET_LABEL69:(void)0;
 var71 = nitc___nitc__ASTBuilder___make_break(var68, var_escapemark);
 }
 if (var65 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 266);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 267);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var65->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var65, var71); /* add on <var65:nullable AExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var74 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var74 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2004,9 +2235,12 @@ var75 = nitc___nitc__ASTBuilder___make_int(var72, 1l);
 }
 var_one = var75;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var78 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var78 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2016,9 +2250,12 @@ RET_LABEL77:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var81 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var81 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2028,48 +2265,57 @@ RET_LABEL80:(void)0;
 }
 }
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var84 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var82 = var84;
 RET_LABEL83:(void)0;
 }
 }
 if (unlikely(var82 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 270);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 271);
 fatal_exit(1);
 }
 {
 var85 = nitc___nitc__ASTBuilder___make_var_read(var79, var_variable, var82);
 }
 {
-{ /* Inline typing#AForGroup#method_successor (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_successor (self) on <self:AForGroup> */
 var88 = self->attrs[COLOR_nitc__typing__AForGroup___method_successor].val; /* _method_successor on <self:AForGroup> */
 var86 = var88;
 RET_LABEL87:(void)0;
 }
 }
 if (unlikely(var86 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 270);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 271);
 fatal_exit(1);
 }
 var89 = NEW_core__Array(&type_core__Array__nitc__AIntegerExpr);
 {
-core___core__Array___with_capacity(var89, 1l); /* Direct call array#Array#with_capacity on <var89:Array[AIntegerExpr]>*/
+core___core__Array___with_capacity(var89, 1l); /* Direct call array$Array$with_capacity on <var89:Array[AIntegerExpr]>*/
 }
 var_90 = var89;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_90, var_one); /* Direct call array#AbstractArray#push on <var_90:Array[AIntegerExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_90, var_one); /* Direct call array$AbstractArray$push on <var_90:Array[AIntegerExpr]>*/
 }
 {
 var91 = nitc___nitc__ASTBuilder___make_call(var76, var85, var86, var_90);
 }
 var_succ = var91;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var94 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var94 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2091,9 +2337,12 @@ goto RET_LABEL;
 ((void(*)(val* self, val* p0))(var_before->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_before, var_nexpr); /* add on <var_before:AExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var98 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var98 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2106,15 +2355,18 @@ RET_LABEL97:(void)0;
 var99 = nitc__astbuilder___AExpr___make_var_read(var_nexpr);
 }
 {
-{ /* Inline typing#AForGroup#method_iterator (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_iterator (self) on <self:AForGroup> */
 var102 = self->attrs[COLOR_nitc__typing__AForGroup___method_iterator].val; /* _method_iterator on <self:AForGroup> */
 var100 = var102;
 RET_LABEL101:(void)0;
 }
 }
 if (unlikely(var100 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 277);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 278);
 fatal_exit(1);
 }
 {
@@ -2125,9 +2377,12 @@ var_iter = var103;
 ((void(*)(val* self, val* p0))(var_before->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_before, var_iter); /* add on <var_before:AExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var106 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var106 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2140,15 +2395,18 @@ RET_LABEL105:(void)0;
 var107 = nitc__astbuilder___AExpr___make_var_read(var_iter);
 }
 {
-{ /* Inline typing#AForGroup#method_is_ok (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_is_ok (self) on <self:AForGroup> */
 var110 = self->attrs[COLOR_nitc__typing__AForGroup___method_is_ok].val; /* _method_is_ok on <self:AForGroup> */
 var108 = var110;
 RET_LABEL109:(void)0;
 }
 }
 if (unlikely(var108 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 281);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 282);
 fatal_exit(1);
 }
 {
@@ -2156,9 +2414,12 @@ var111 = nitc___nitc__ASTBuilder___make_call(var104, var107, var108, ((val*)NULL
 }
 var_is_ok112 = var111;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var115 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var115 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2175,16 +2436,19 @@ var_nif117 = var116;
 ((void(*)(val* self, val* p0))(var_begin->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_begin, var_nif117); /* add on <var_begin:AExpr>*/
 }
 {
-{ /* Inline parser_nodes#AIfExpr#n_else (var_nif117) on <var_nif117:AIfExpr> */
+{ /* Inline parser_nodes$AIfExpr$n_else (var_nif117) on <var_nif117:AIfExpr> */
 var120 = var_nif117->attrs[COLOR_nitc__parser_nodes__AIfExpr___n_else].val; /* _n_else on <var_nif117:AIfExpr> */
 var118 = var120;
 RET_LABEL119:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var123 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var123 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2197,26 +2461,35 @@ RET_LABEL122:(void)0;
 var124 = nitc___nitc__ASTBuilder___make_break(var121, var_escapemark);
 }
 if (var118 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 284);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 285);
 fatal_exit(1);
 } else {
 ((void(*)(val* self, val* p0))(var118->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var118, var124); /* add on <var118:nullable AExpr>*/
 }
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var127 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var125 = var127;
 RET_LABEL126:(void)0;
 }
 }
 if (var125 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 287);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 288);
 fatal_exit(1);
 } else {
-{ /* Inline array#AbstractArrayRead#length (var125) on <var125:nullable Array[Variable]> */
+{ /* Inline array$AbstractArrayRead$length (var125) on <var125:nullable Array[Variable]> */
 if (unlikely(var125 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
 PRINT_ERROR(" (%s:%d)\n", FILE_core__array, 26);
 fatal_exit(1);
@@ -2227,7 +2500,7 @@ RET_LABEL129:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var128,1l) on <var128:Int> */
+{ /* Inline kernel$Int$== (var128,1l) on <var128:Int> */
 var133 = var128 == 1l;
 var131 = var133;
 goto RET_LABEL132;
@@ -2236,9 +2509,12 @@ RET_LABEL132:(void)0;
 }
 if (var131){
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var136 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var136 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2251,15 +2527,18 @@ RET_LABEL135:(void)0;
 var137 = nitc__astbuilder___AExpr___make_var_read(var_iter);
 }
 {
-{ /* Inline typing#AForGroup#method_item (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_item (self) on <self:AForGroup> */
 var140 = self->attrs[COLOR_nitc__typing__AForGroup___method_item].val; /* _method_item on <self:AForGroup> */
 var138 = var140;
 RET_LABEL139:(void)0;
 }
 }
 if (unlikely(var138 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 288);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 289);
 fatal_exit(1);
 }
 {
@@ -2267,9 +2546,12 @@ var141 = nitc___nitc__ASTBuilder___make_call(var134, var137, var138, ((val*)NULL
 }
 var_item = var141;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var144 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var144 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2279,15 +2561,18 @@ RET_LABEL143:(void)0;
 }
 }
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var147 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var145 = var147;
 RET_LABEL146:(void)0;
 }
 }
 if (var145 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 289);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 290);
 fatal_exit(1);
 } else {
 var148 = core___core__SequenceRead___Collection__first(var145);
@@ -2300,19 +2585,25 @@ var149 = nitc___nitc__ASTBuilder___make_var_assign(var142, var148, var_item);
 }
 } else {
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var152 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var150 = var152;
 RET_LABEL151:(void)0;
 }
 }
 if (var150 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 290);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 291);
 fatal_exit(1);
 } else {
-{ /* Inline array#AbstractArrayRead#length (var150) on <var150:nullable Array[Variable]> */
+{ /* Inline array$AbstractArrayRead$length (var150) on <var150:nullable Array[Variable]> */
 if (unlikely(var150 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
 PRINT_ERROR(" (%s:%d)\n", FILE_core__array, 26);
 fatal_exit(1);
@@ -2323,7 +2614,7 @@ RET_LABEL154:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var153,2l) on <var153:Int> */
+{ /* Inline kernel$Int$== (var153,2l) on <var153:Int> */
 var158 = var153 == 2l;
 var156 = var158;
 goto RET_LABEL157;
@@ -2332,9 +2623,12 @@ RET_LABEL157:(void)0;
 }
 if (var156){
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var161 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var161 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2347,15 +2641,18 @@ RET_LABEL160:(void)0;
 var162 = nitc__astbuilder___AExpr___make_var_read(var_iter);
 }
 {
-{ /* Inline typing#AForGroup#method_key (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_key (self) on <self:AForGroup> */
 var165 = self->attrs[COLOR_nitc__typing__AForGroup___method_key].val; /* _method_key on <self:AForGroup> */
 var163 = var165;
 RET_LABEL164:(void)0;
 }
 }
 if (unlikely(var163 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 291);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 292);
 fatal_exit(1);
 }
 {
@@ -2363,9 +2660,12 @@ var166 = nitc___nitc__ASTBuilder___make_call(var159, var162, var163, ((val*)NULL
 }
 var_key = var166;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var169 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var169 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2375,15 +2675,18 @@ RET_LABEL168:(void)0;
 }
 }
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var172 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var170 = var172;
 RET_LABEL171:(void)0;
 }
 }
 if (var170 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 292);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 293);
 fatal_exit(1);
 } else {
 var173 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var170, 0l);
@@ -2395,9 +2698,12 @@ var174 = nitc___nitc__ASTBuilder___make_var_assign(var167, var173, var_key);
 ((void(*)(val* self, val* p0))(var_begin->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_begin, var174); /* add on <var_begin:AExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var177 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var177 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2410,15 +2716,18 @@ RET_LABEL176:(void)0;
 var178 = nitc__astbuilder___AExpr___make_var_read(var_iter);
 }
 {
-{ /* Inline typing#AForGroup#method_item (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_item (self) on <self:AForGroup> */
 var181 = self->attrs[COLOR_nitc__typing__AForGroup___method_item].val; /* _method_item on <self:AForGroup> */
 var179 = var181;
 RET_LABEL180:(void)0;
 }
 }
 if (unlikely(var179 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 293);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 294);
 fatal_exit(1);
 }
 {
@@ -2426,9 +2735,12 @@ var182 = nitc___nitc__ASTBuilder___make_call(var175, var178, var179, ((val*)NULL
 }
 var_item183 = var182;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var186 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var186 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2438,15 +2750,18 @@ RET_LABEL185:(void)0;
 }
 }
 {
-{ /* Inline scope#AForGroup#variables (self) on <self:AForGroup> */
+{ /* Inline scope$AForGroup$variables (self) on <self:AForGroup> */
 var189 = self->attrs[COLOR_nitc__scope__AForGroup___variables].val; /* _variables on <self:AForGroup> */
 var187 = var189;
 RET_LABEL188:(void)0;
 }
 }
 if (var187 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 294);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 295);
 fatal_exit(1);
 } else {
 var190 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var187, 1l);
@@ -2458,15 +2773,21 @@ var191 = nitc___nitc__ASTBuilder___make_var_assign(var184, var190, var_item183);
 ((void(*)(val* self, val* p0))(var_begin->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_begin, var191); /* add on <var_begin:AExpr>*/
 }
 } else {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 296);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 297);
 fatal_exit(1);
 }
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var194 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var194 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2479,15 +2800,18 @@ RET_LABEL193:(void)0;
 var195 = nitc__astbuilder___AExpr___make_var_read(var_iter);
 }
 {
-{ /* Inline typing#AForGroup#method_next (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_next (self) on <self:AForGroup> */
 var198 = self->attrs[COLOR_nitc__typing__AForGroup___method_next].val; /* _method_next on <self:AForGroup> */
 var196 = var198;
 RET_LABEL197:(void)0;
 }
 }
 if (unlikely(var196 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 300);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 301);
 fatal_exit(1);
 }
 {
@@ -2497,7 +2821,7 @@ var199 = nitc___nitc__ASTBuilder___make_call(var192, var195, var196, ((val*)NULL
 ((void(*)(val* self, val* p0))(var_next->class->vft[COLOR_nitc__astbuilder__AExpr__add]))(var_next, var199); /* add on <var_next:AExpr>*/
 }
 {
-{ /* Inline typing#AForGroup#method_finish (self) on <self:AForGroup> */
+{ /* Inline typing$AForGroup$method_finish (self) on <self:AForGroup> */
 var202 = self->attrs[COLOR_nitc__typing__AForGroup___method_finish].val; /* _method_finish on <self:AForGroup> */
 var200 = var202;
 RET_LABEL201:(void)0;
@@ -2510,7 +2834,7 @@ var203 = 0; /* is null */
 var203 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_method_finish,((val*)NULL)) on <var_method_finish:nullable CallSite> */
+{ /* Inline kernel$Object$!= (var_method_finish,((val*)NULL)) on <var_method_finish:nullable CallSite> */
 var_other = ((val*)NULL);
 {
 var206 = ((short int(*)(val* self, val* p0))(var_method_finish->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_method_finish, var_other); /* == on <var_method_finish:nullable CallSite(CallSite)>*/
@@ -2524,9 +2848,12 @@ var203 = var204;
 }
 if (var203){
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var210 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var210 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2548,7 +2875,7 @@ var212 = nitc___nitc__ASTBuilder___make_call(var208, var211, var_method_finish,
 }
 RET_LABEL:;
 }
-/* method transform#AWithExpr#accept_transform_visitor for (self: AWithExpr, TransformVisitor) */
+/* method transform$AWithExpr$accept_transform_visitor for (self: AWithExpr, TransformVisitor) */
 void nitc__transform___AWithExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable EscapeMark */;
@@ -2587,7 +2914,7 @@ val* var37 /* : nullable CallSite */;
 val* var38 /* : ACallExpr */;
 var_v = p0;
 {
-{ /* Inline scope#AWithExpr#break_mark (self) on <self:AWithExpr> */
+{ /* Inline scope$AWithExpr$break_mark (self) on <self:AWithExpr> */
 var2 = self->attrs[COLOR_nitc__scope__AWithExpr___break_mark].val; /* _break_mark on <self:AWithExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -2600,7 +2927,7 @@ var3 = 0; /* is null */
 var3 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_escapemark,((val*)NULL)) on <var_escapemark:nullable EscapeMark> */
+{ /* Inline kernel$Object$!= (var_escapemark,((val*)NULL)) on <var_escapemark:nullable EscapeMark> */
 var_other = ((val*)NULL);
 {
 var6 = ((short int(*)(val* self, val* p0))(var_escapemark->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_escapemark, var_other); /* == on <var_escapemark:nullable EscapeMark(EscapeMark)>*/
@@ -2613,14 +2940,20 @@ RET_LABEL5:(void)0;
 var3 = var4;
 }
 if (unlikely(!var3)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 336);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 337);
 fatal_exit(1);
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var10 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var10 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2634,11 +2967,14 @@ var11 = nitc___nitc__ASTBuilder___make_block(var8);
 }
 var_nblock = var11;
 {
-{ /* Inline parser_nodes#AWithExpr#n_expr (self) on <self:AWithExpr> */
+{ /* Inline parser_nodes$AWithExpr$n_expr (self) on <self:AWithExpr> */
 var14 = self->attrs[COLOR_nitc__parser_nodes__AWithExpr___n_expr].val; /* _n_expr on <self:AWithExpr> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1955);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2036);
 fatal_exit(1);
 }
 var12 = var14;
@@ -2647,12 +2983,15 @@ RET_LABEL13:(void)0;
 }
 var_nexpr = var12;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nexpr); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nexpr); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var17 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2666,15 +3005,18 @@ var18 = nitc___nitc__ASTBuilder___make_do(var15);
 }
 var_ndo = var18;
 {
-{ /* Inline scope#ADoExpr#break_mark= (var_ndo,var_escapemark) on <var_ndo:ADoExpr> */
+{ /* Inline scope$ADoExpr$break_mark= (var_ndo,var_escapemark) on <var_ndo:ADoExpr> */
 var_ndo->attrs[COLOR_nitc__scope__ADoExpr___break_mark].val = var_escapemark; /* _break_mark on <var_ndo:ADoExpr> */
 RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var22 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2687,15 +3029,18 @@ RET_LABEL21:(void)0;
 var23 = nitc__astbuilder___AExpr___make_var_read(var_nexpr);
 }
 {
-{ /* Inline typing#AWithExpr#method_start (self) on <self:AWithExpr> */
+{ /* Inline typing$AWithExpr$method_start (self) on <self:AWithExpr> */
 var26 = self->attrs[COLOR_nitc__typing__AWithExpr___method_start].val; /* _method_start on <self:AWithExpr> */
 var24 = var26;
 RET_LABEL25:(void)0;
 }
 }
 if (unlikely(var24 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 347);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 348);
 fatal_exit(1);
 }
 {
@@ -2703,30 +3048,36 @@ var27 = nitc___nitc__ASTBuilder___make_call(var20, var23, var24, ((val*)NULL));
 }
 var_start = var27;
 {
-nitc__astbuilder___ADoExpr___AExpr__add(var_ndo, var_start); /* Direct call astbuilder#ADoExpr#add on <var_ndo:ADoExpr>*/
+nitc__astbuilder___ADoExpr___AExpr__add(var_ndo, var_start); /* Direct call astbuilder$ADoExpr$add on <var_ndo:ADoExpr>*/
 }
 {
-{ /* Inline parser_nodes#AWithExpr#n_block (self) on <self:AWithExpr> */
+{ /* Inline parser_nodes$AWithExpr$n_block (self) on <self:AWithExpr> */
 var30 = self->attrs[COLOR_nitc__parser_nodes__AWithExpr___n_block].val; /* _n_block on <self:AWithExpr> */
 var28 = var30;
 RET_LABEL29:(void)0;
 }
 }
 if (unlikely(var28 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 351);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 352);
 fatal_exit(1);
 }
 {
-nitc__astbuilder___ADoExpr___AExpr__add(var_ndo, var28); /* Direct call astbuilder#ADoExpr#add on <var_ndo:ADoExpr>*/
+nitc__astbuilder___ADoExpr___AExpr__add(var_ndo, var28); /* Direct call astbuilder$ADoExpr$add on <var_ndo:ADoExpr>*/
 }
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_ndo); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_ndo); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var33 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var33 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2739,29 +3090,32 @@ RET_LABEL32:(void)0;
 var34 = nitc__astbuilder___AExpr___make_var_read(var_nexpr);
 }
 {
-{ /* Inline typing#AWithExpr#method_finish (self) on <self:AWithExpr> */
+{ /* Inline typing$AWithExpr$method_finish (self) on <self:AWithExpr> */
 var37 = self->attrs[COLOR_nitc__typing__AWithExpr___method_finish].val; /* _method_finish on <self:AWithExpr> */
 var35 = var37;
 RET_LABEL36:(void)0;
 }
 }
 if (unlikely(var35 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 355);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 356);
 fatal_exit(1);
 }
 {
 var38 = nitc___nitc__ASTBuilder___make_call(var31, var34, var35, ((val*)NULL));
 }
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var38); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var38); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform#AExpr#replace_with on <self:AWithExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform$AExpr$replace_with on <self:AWithExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AArrayExpr#full_transform_visitor for (self: AArrayExpr, TransformVisitor) */
+/* method transform$AArrayExpr$full_transform_visitor for (self: AArrayExpr, TransformVisitor) */
 void nitc__transform___AArrayExpr___ANode__full_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 short int var /* : Bool */;
@@ -2796,7 +3150,7 @@ val* var32 /* : AVarExpr */;
 val* var_nres /* var nres: AVarExpr */;
 var_v = p0;
 {
-{ /* Inline modelbuilder_base#ANode#is_broken (self) on <self:AArrayExpr> */
+{ /* Inline modelbuilder_base$ANode$is_broken (self) on <self:AArrayExpr> */
 var2 = self->attrs[COLOR_nitc__modelbuilder_base__ANode___is_broken].s; /* _is_broken on <self:AArrayExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -2807,9 +3161,12 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var5 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2823,9 +3180,12 @@ var6 = nitc___nitc__ASTBuilder___make_block(var3);
 }
 var_nblock = var6;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var9 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2835,26 +3195,32 @@ RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline typing#AArrayExpr#with_capacity_callsite (self) on <self:AArrayExpr> */
+{ /* Inline typing$AArrayExpr$with_capacity_callsite (self) on <self:AArrayExpr> */
 var12 = self->attrs[COLOR_nitc__typing__AArrayExpr___with_capacity_callsite].val; /* _with_capacity_callsite on <self:AArrayExpr> */
 var10 = var12;
 RET_LABEL11:(void)0;
 }
 }
 if (unlikely(var10 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 376);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 377);
 fatal_exit(1);
 }
 var13 = NEW_core__Array(&type_core__Array__nitc__AIntegerExpr);
 {
-core___core__Array___with_capacity(var13, 1l); /* Direct call array#Array#with_capacity on <var13:Array[AIntegerExpr]>*/
+core___core__Array___with_capacity(var13, 1l); /* Direct call array$Array$with_capacity on <var13:Array[AIntegerExpr]>*/
 }
 var_ = var13;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var16 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -2864,11 +3230,14 @@ RET_LABEL15:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AArrayExpr#n_exprs (self) on <self:AArrayExpr> */
+{ /* Inline parser_nodes$AArrayExpr$n_exprs (self) on <self:AArrayExpr> */
 var19 = self->attrs[COLOR_nitc__parser_nodes__AArrayExpr___n_exprs].val; /* _n_exprs on <self:AArrayExpr> */
 if (unlikely(var19 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2460);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2541);
 fatal_exit(1);
 }
 var17 = var19;
@@ -2882,30 +3251,33 @@ var20 = nitc___nitc__ANodes___core__abstract_collection__Collection__length(var1
 var21 = nitc___nitc__ASTBuilder___make_int(var14, var20);
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var21); /* Direct call array#AbstractArray#push on <var_:Array[AIntegerExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var21); /* Direct call array$AbstractArray$push on <var_:Array[AIntegerExpr]>*/
 }
 {
 var22 = nitc___nitc__ASTBuilder___make_new(var7, var10, var_);
 }
 var_nnew = var22;
 {
-{ /* Inline transform#AArrayExpr#nnew= (self,var_nnew) on <self:AArrayExpr> */
+{ /* Inline transform$AArrayExpr$nnew= (self,var_nnew) on <self:AArrayExpr> */
 self->attrs[COLOR_nitc__transform__AArrayExpr___nnew].val = var_nnew; /* _nnew on <self:AArrayExpr> */
 RET_LABEL23:(void)0;
 }
 }
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nnew); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nnew); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
 ((void(*)(val* self, val* p0))(self->class->vft[COLOR_nitc__transform___AArrayExpr___ANode__full_transform_visitor]))(self, p0); /* full_transform_visitor on <self:AArrayExpr>*/
 }
 {
-{ /* Inline parser_nodes#AArrayExpr#n_exprs (self) on <self:AArrayExpr> */
+{ /* Inline parser_nodes$AArrayExpr$n_exprs (self) on <self:AArrayExpr> */
 var26 = self->attrs[COLOR_nitc__parser_nodes__AArrayExpr___n_exprs].val; /* _n_exprs on <self:AArrayExpr> */
 if (unlikely(var26 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_exprs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2460);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2541);
 fatal_exit(1);
 }
 var24 = var26;
@@ -2930,7 +3302,7 @@ var31 = ((val*(*)(val* self))((((long)var_29&3)?class_info[((long)var_29&3)]:var
 }
 var_nexpr = var31;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nexpr); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nexpr); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
 ((void(*)(val* self))((((long)var_29&3)?class_info[((long)var_29&3)]:var_29->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_29); /* next on <var_29:Iterator[AExpr]>*/
@@ -2945,33 +3317,36 @@ var32 = nitc__astbuilder___AExpr___make_var_read(var_nnew);
 }
 var_nres = var32;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nres); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nres); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform#AExpr#replace_with on <self:AArrayExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform$AExpr$replace_with on <self:AArrayExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AArrayExpr#nnew for (self: AArrayExpr): ANewExpr */
+/* method transform$AArrayExpr$nnew for (self: AArrayExpr): ANewExpr */
 val* nitc__transform___AArrayExpr___nnew(val* self) {
 val* var /* : ANewExpr */;
 val* var1 /* : ANewExpr */;
 var1 = self->attrs[COLOR_nitc__transform__AArrayExpr___nnew].val; /* _nnew on <self:AArrayExpr> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _nnew");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 392);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 393);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method transform#AArrayExpr#nnew= for (self: AArrayExpr, ANewExpr) */
+/* method transform$AArrayExpr$nnew= for (self: AArrayExpr, ANewExpr) */
 void nitc__transform___AArrayExpr___nnew_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__transform__AArrayExpr___nnew].val = p0; /* _nnew on <self:AArrayExpr> */
 RET_LABEL:;
 }
-/* method transform#ACrangeExpr#accept_transform_visitor for (self: ACrangeExpr, TransformVisitor) */
+/* method transform$ACrangeExpr$accept_transform_visitor for (self: ACrangeExpr, TransformVisitor) */
 void nitc__transform___ACrangeExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable ANode */;
@@ -2992,7 +3367,7 @@ val* var16 /* : AExpr */;
 val* var17 /* : ANewExpr */;
 var_v = p0;
 {
-{ /* Inline parser_nodes#ANode#parent (self) on <self:ACrangeExpr> */
+{ /* Inline parser_nodes$ANode$parent (self) on <self:ACrangeExpr> */
 var2 = self->attrs[COLOR_nitc__parser_nodes__ANode___parent].val; /* _parent on <self:ACrangeExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -3015,9 +3390,12 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var6 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3027,28 +3405,34 @@ RET_LABEL5:(void)0;
 }
 }
 {
-{ /* Inline typing#ARangeExpr#init_callsite (self) on <self:ACrangeExpr> */
+{ /* Inline typing$ARangeExpr$init_callsite (self) on <self:ACrangeExpr> */
 var9 = self->attrs[COLOR_nitc__typing__ARangeExpr___init_callsite].val; /* _init_callsite on <self:ACrangeExpr> */
 var7 = var9;
 RET_LABEL8:(void)0;
 }
 }
 if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 400);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 401);
 fatal_exit(1);
 }
 var10 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___with_capacity(var10, 2l); /* Direct call array#Array#with_capacity on <var10:Array[AExpr]>*/
+core___core__Array___with_capacity(var10, 2l); /* Direct call array$Array$with_capacity on <var10:Array[AExpr]>*/
 }
 var_ = var10;
 {
-{ /* Inline parser_nodes#ARangeExpr#n_expr (self) on <self:ACrangeExpr> */
+{ /* Inline parser_nodes$ARangeExpr$n_expr (self) on <self:ACrangeExpr> */
 var13 = self->attrs[COLOR_nitc__parser_nodes__ARangeExpr___n_expr].val; /* _n_expr on <self:ACrangeExpr> */
 if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2421);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2502);
 fatal_exit(1);
 }
 var11 = var13;
@@ -3056,14 +3440,17 @@ RET_LABEL12:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var11); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var11); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
-{ /* Inline parser_nodes#ARangeExpr#n_expr2 (self) on <self:ACrangeExpr> */
+{ /* Inline parser_nodes$ARangeExpr$n_expr2 (self) on <self:ACrangeExpr> */
 var16 = self->attrs[COLOR_nitc__parser_nodes__ARangeExpr___n_expr2].val; /* _n_expr2 on <self:ACrangeExpr> */
 if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2427);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2508);
 fatal_exit(1);
 }
 var14 = var16;
@@ -3071,17 +3458,17 @@ RET_LABEL15:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var14); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var14); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
 var17 = nitc___nitc__ASTBuilder___make_new(var4, var7, var_);
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var17); /* Direct call transform#AExpr#replace_with on <self:ACrangeExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var17); /* Direct call transform$AExpr$replace_with on <self:ACrangeExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AOrangeExpr#accept_transform_visitor for (self: AOrangeExpr, TransformVisitor) */
+/* method transform$AOrangeExpr$accept_transform_visitor for (self: AOrangeExpr, TransformVisitor) */
 void nitc__transform___AOrangeExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable ANode */;
@@ -3102,7 +3489,7 @@ val* var16 /* : AExpr */;
 val* var17 /* : ANewExpr */;
 var_v = p0;
 {
-{ /* Inline parser_nodes#ANode#parent (self) on <self:AOrangeExpr> */
+{ /* Inline parser_nodes$ANode$parent (self) on <self:AOrangeExpr> */
 var2 = self->attrs[COLOR_nitc__parser_nodes__ANode___parent].val; /* _parent on <self:AOrangeExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -3125,9 +3512,12 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var6 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3137,28 +3527,34 @@ RET_LABEL5:(void)0;
 }
 }
 {
-{ /* Inline typing#ARangeExpr#init_callsite (self) on <self:AOrangeExpr> */
+{ /* Inline typing$ARangeExpr$init_callsite (self) on <self:AOrangeExpr> */
 var9 = self->attrs[COLOR_nitc__typing__ARangeExpr___init_callsite].val; /* _init_callsite on <self:AOrangeExpr> */
 var7 = var9;
 RET_LABEL8:(void)0;
 }
 }
 if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 409);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 410);
 fatal_exit(1);
 }
 var10 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___with_capacity(var10, 2l); /* Direct call array#Array#with_capacity on <var10:Array[AExpr]>*/
+core___core__Array___with_capacity(var10, 2l); /* Direct call array$Array$with_capacity on <var10:Array[AExpr]>*/
 }
 var_ = var10;
 {
-{ /* Inline parser_nodes#ARangeExpr#n_expr (self) on <self:AOrangeExpr> */
+{ /* Inline parser_nodes$ARangeExpr$n_expr (self) on <self:AOrangeExpr> */
 var13 = self->attrs[COLOR_nitc__parser_nodes__ARangeExpr___n_expr].val; /* _n_expr on <self:AOrangeExpr> */
 if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2421);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2502);
 fatal_exit(1);
 }
 var11 = var13;
@@ -3166,14 +3562,17 @@ RET_LABEL12:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var11); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var11); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
-{ /* Inline parser_nodes#ARangeExpr#n_expr2 (self) on <self:AOrangeExpr> */
+{ /* Inline parser_nodes$ARangeExpr$n_expr2 (self) on <self:AOrangeExpr> */
 var16 = self->attrs[COLOR_nitc__parser_nodes__ARangeExpr___n_expr2].val; /* _n_expr2 on <self:AOrangeExpr> */
 if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2427);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2508);
 fatal_exit(1);
 }
 var14 = var16;
@@ -3181,28 +3580,31 @@ RET_LABEL15:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var14); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var14); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
 var17 = nitc___nitc__ASTBuilder___make_new(var4, var7, var_);
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var17); /* Direct call transform#AExpr#replace_with on <self:AOrangeExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var17); /* Direct call transform$AExpr$replace_with on <self:AOrangeExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AParExpr#accept_transform_visitor for (self: AParExpr, TransformVisitor) */
+/* method transform$AParExpr$accept_transform_visitor for (self: AParExpr, TransformVisitor) */
 void nitc__transform___AParExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : AExpr */;
 val* var2 /* : AExpr */;
 var_v = p0;
 {
-{ /* Inline parser_nodes#AParExpr#n_expr (self) on <self:AParExpr> */
+{ /* Inline parser_nodes$AParExpr$n_expr (self) on <self:AParExpr> */
 var2 = self->attrs[COLOR_nitc__parser_nodes__AParExpr___n_expr].val; /* _n_expr on <self:AParExpr> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2575);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2656);
 fatal_exit(1);
 }
 var = var2;
@@ -3210,11 +3612,11 @@ RET_LABEL1:(void)0;
 }
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var); /* Direct call transform#AExpr#replace_with on <self:AParExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var); /* Direct call transform$AExpr$replace_with on <self:AParExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#ASendReassignFormExpr#accept_transform_visitor for (self: ASendReassignFormExpr, TransformVisitor) */
+/* method transform$ASendReassignFormExpr$accept_transform_visitor for (self: ASendReassignFormExpr, TransformVisitor) */
 void nitc__transform___ASendReassignFormExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : ASTBuilder */;
@@ -3266,9 +3668,12 @@ val* var49 /* : ACallExpr */;
 val* var_nwrite /* var nwrite: ACallExpr */;
 var_v = p0;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var2 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3282,11 +3687,14 @@ var3 = nitc___nitc__ASTBuilder___make_block(var);
 }
 var_nblock = var3;
 {
-{ /* Inline parser_nodes#ASendExpr#n_expr (self) on <self:ASendReassignFormExpr> */
+{ /* Inline parser_nodes$ASendExpr$n_expr (self) on <self:ASendReassignFormExpr> */
 var6 = self->attrs[COLOR_nitc__parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ASendReassignFormExpr> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2022);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2103);
 fatal_exit(1);
 }
 var4 = var6;
@@ -3294,16 +3702,16 @@ RET_LABEL5:(void)0;
 }
 }
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var4); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var4); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 var7 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___core__kernel__Object__init(var7); /* Direct call array#Array#init on <var7:Array[AExpr]>*/
+core___core__Array___core__kernel__Object__init(var7); /* Direct call array$Array$init on <var7:Array[AExpr]>*/
 }
 var_read_args = var7;
 var8 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___core__kernel__Object__init(var8); /* Direct call array#Array#init on <var8:Array[AExpr]>*/
+core___core__Array___core__kernel__Object__init(var8); /* Direct call array$Array$init on <var8:Array[AExpr]>*/
 }
 var_write_args = var8;
 {
@@ -3327,19 +3735,19 @@ var13 = ((val*(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var
 }
 var_a = var13;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_a); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_a); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
 var14 = nitc__astbuilder___AExpr___make_var_read(var_a);
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_read_args, var14); /* Direct call array#Array#add on <var_read_args:Array[AExpr]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_read_args, var14); /* Direct call array$Array$add on <var_read_args:Array[AExpr]>*/
 }
 {
 var15 = nitc__astbuilder___AExpr___make_var_read(var_a);
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_write_args, var15); /* Direct call array#Array#add on <var_write_args:Array[AExpr]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_write_args, var15); /* Direct call array$Array$add on <var_write_args:Array[AExpr]>*/
 }
 {
 ((void(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var_11->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_11); /* next on <var_11:IndexedIterator[AExpr]>*/
@@ -3350,9 +3758,12 @@ BREAK_label: (void)0;
 ((void(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var_11->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_11); /* finish on <var_11:IndexedIterator[AExpr]>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var18 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3362,11 +3773,14 @@ RET_LABEL17:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ASendExpr#n_expr (self) on <self:ASendReassignFormExpr> */
+{ /* Inline parser_nodes$ASendExpr$n_expr (self) on <self:ASendReassignFormExpr> */
 var21 = self->attrs[COLOR_nitc__parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ASendReassignFormExpr> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2022);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2103);
 fatal_exit(1);
 }
 var19 = var21;
@@ -3377,15 +3791,18 @@ RET_LABEL20:(void)0;
 var22 = nitc__astbuilder___AExpr___make_var_read(var19);
 }
 {
-{ /* Inline typing#ASendExpr#callsite (self) on <self:ASendReassignFormExpr> */
+{ /* Inline typing$ASendExpr$callsite (self) on <self:ASendReassignFormExpr> */
 var25 = self->attrs[COLOR_nitc__typing__ASendExpr___callsite].val; /* _callsite on <self:ASendReassignFormExpr> */
 var23 = var25;
 RET_LABEL24:(void)0;
 }
 }
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 446);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 447);
 fatal_exit(1);
 }
 {
@@ -3393,9 +3810,12 @@ var26 = nitc___nitc__ASTBuilder___make_call(var16, var22, var23, var_read_args);
 }
 var_nread = var26;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var29 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var29 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3405,28 +3825,34 @@ RET_LABEL28:(void)0;
 }
 }
 {
-{ /* Inline typing#AReassignFormExpr#reassign_callsite (self) on <self:ASendReassignFormExpr> */
+{ /* Inline typing$AReassignFormExpr$reassign_callsite (self) on <self:ASendReassignFormExpr> */
 var32 = self->attrs[COLOR_nitc__typing__AReassignFormExpr___reassign_callsite].val; /* _reassign_callsite on <self:ASendReassignFormExpr> */
 var30 = var32;
 RET_LABEL31:(void)0;
 }
 }
 if (unlikely(var30 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 448);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 449);
 fatal_exit(1);
 }
 var33 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___with_capacity(var33, 1l); /* Direct call array#Array#with_capacity on <var33:Array[AExpr]>*/
+core___core__Array___with_capacity(var33, 1l); /* Direct call array$Array$with_capacity on <var33:Array[AExpr]>*/
 }
 var_34 = var33;
 {
-{ /* Inline parser_nodes#AReassignFormExpr#n_value (self) on <self:ASendReassignFormExpr> */
+{ /* Inline parser_nodes$AReassignFormExpr$n_value (self) on <self:ASendReassignFormExpr> */
 var37 = self->attrs[COLOR_nitc__parser_nodes__AReassignFormExpr___n_value].val; /* _n_value on <self:ASendReassignFormExpr> */
 if (unlikely(var37 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2003);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2084);
 fatal_exit(1);
 }
 var35 = var37;
@@ -3434,19 +3860,22 @@ RET_LABEL36:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_34, var35); /* Direct call array#AbstractArray#push on <var_34:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_34, var35); /* Direct call array$AbstractArray$push on <var_34:Array[AExpr]>*/
 }
 {
 var38 = nitc___nitc__ASTBuilder___make_call(var27, var_nread, var30, var_34);
 }
 var_nnewvalue = var38;
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_write_args, var_nnewvalue); /* Direct call array#Array#add on <var_write_args:Array[AExpr]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_write_args, var_nnewvalue); /* Direct call array$Array$add on <var_write_args:Array[AExpr]>*/
 }
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var41 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var41 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3456,11 +3885,14 @@ RET_LABEL40:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ASendExpr#n_expr (self) on <self:ASendReassignFormExpr> */
+{ /* Inline parser_nodes$ASendExpr$n_expr (self) on <self:ASendReassignFormExpr> */
 var44 = self->attrs[COLOR_nitc__parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ASendReassignFormExpr> */
 if (unlikely(var44 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2022);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2103);
 fatal_exit(1);
 }
 var42 = var44;
@@ -3471,15 +3903,18 @@ RET_LABEL43:(void)0;
 var45 = nitc__astbuilder___AExpr___make_var_read(var42);
 }
 {
-{ /* Inline typing#ASendReassignFormExpr#write_callsite (self) on <self:ASendReassignFormExpr> */
+{ /* Inline typing$ASendReassignFormExpr$write_callsite (self) on <self:ASendReassignFormExpr> */
 var48 = self->attrs[COLOR_nitc__typing__ASendReassignFormExpr___write_callsite].val; /* _write_callsite on <self:ASendReassignFormExpr> */
 var46 = var48;
 RET_LABEL47:(void)0;
 }
 }
 if (unlikely(var46 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 451);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 452);
 fatal_exit(1);
 }
 {
@@ -3487,14 +3922,14 @@ var49 = nitc___nitc__ASTBuilder___make_call(var39, var45, var46, var_write_args)
 }
 var_nwrite = var49;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nwrite); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nwrite); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform#AExpr#replace_with on <self:ASendReassignFormExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform$AExpr$replace_with on <self:ASendReassignFormExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AVarReassignExpr#accept_transform_visitor for (self: AVarReassignExpr, TransformVisitor) */
+/* method transform$AVarReassignExpr$accept_transform_visitor for (self: AVarReassignExpr, TransformVisitor) */
 void nitc__transform___AVarReassignExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : nullable Variable */;
@@ -3522,22 +3957,28 @@ val* var24 /* : AVarAssignExpr */;
 val* var_nwrite /* var nwrite: AVarAssignExpr */;
 var_v = p0;
 {
-{ /* Inline scope#AVarFormExpr#variable (self) on <self:AVarReassignExpr> */
+{ /* Inline scope$AVarFormExpr$variable (self) on <self:AVarReassignExpr> */
 var2 = self->attrs[COLOR_nitc__scope__AVarFormExpr___variable].val; /* _variable on <self:AVarReassignExpr> */
 var = var2;
 RET_LABEL1:(void)0;
 }
 }
 if (unlikely(var == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 462);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 463);
 fatal_exit(1);
 }
 var_variable = var;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var5 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3547,15 +3988,18 @@ RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline typing#AReassignFormExpr#read_type (self) on <self:AVarReassignExpr> */
+{ /* Inline typing$AReassignFormExpr$read_type (self) on <self:AVarReassignExpr> */
 var8 = self->attrs[COLOR_nitc__typing__AReassignFormExpr___read_type].val; /* _read_type on <self:AVarReassignExpr> */
 var6 = var8;
 RET_LABEL7:(void)0;
 }
 }
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 464);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 465);
 fatal_exit(1);
 }
 {
@@ -3563,9 +4007,12 @@ var9 = nitc___nitc__ASTBuilder___make_var_read(var3, var_variable, var6);
 }
 var_nread = var9;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var12 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3575,28 +4022,34 @@ RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline typing#AReassignFormExpr#reassign_callsite (self) on <self:AVarReassignExpr> */
+{ /* Inline typing$AReassignFormExpr$reassign_callsite (self) on <self:AVarReassignExpr> */
 var15 = self->attrs[COLOR_nitc__typing__AReassignFormExpr___reassign_callsite].val; /* _reassign_callsite on <self:AVarReassignExpr> */
 var13 = var15;
 RET_LABEL14:(void)0;
 }
 }
 if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 466);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 467);
 fatal_exit(1);
 }
 var16 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___with_capacity(var16, 1l); /* Direct call array#Array#with_capacity on <var16:Array[AExpr]>*/
+core___core__Array___with_capacity(var16, 1l); /* Direct call array$Array$with_capacity on <var16:Array[AExpr]>*/
 }
 var_ = var16;
 {
-{ /* Inline parser_nodes#AReassignFormExpr#n_value (self) on <self:AVarReassignExpr> */
+{ /* Inline parser_nodes$AReassignFormExpr$n_value (self) on <self:AVarReassignExpr> */
 var19 = self->attrs[COLOR_nitc__parser_nodes__AReassignFormExpr___n_value].val; /* _n_value on <self:AVarReassignExpr> */
 if (unlikely(var19 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2003);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2084);
 fatal_exit(1);
 }
 var17 = var19;
@@ -3604,16 +4057,19 @@ RET_LABEL18:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var17); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var17); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
 var20 = nitc___nitc__ASTBuilder___make_call(var10, var_nread, var13, var_);
 }
 var_nnewvalue = var20;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var23 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3627,11 +4083,11 @@ var24 = nitc___nitc__ASTBuilder___make_var_assign(var21, var_variable, var_nnewv
 }
 var_nwrite = var24;
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nwrite); /* Direct call transform#AExpr#replace_with on <self:AVarReassignExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nwrite); /* Direct call transform$AExpr$replace_with on <self:AVarReassignExpr>*/
 }
 RET_LABEL:;
 }
-/* method transform#AAttrReassignExpr#accept_transform_visitor for (self: AAttrReassignExpr, TransformVisitor) */
+/* method transform$AAttrReassignExpr$accept_transform_visitor for (self: AAttrReassignExpr, TransformVisitor) */
 void nitc__transform___AAttrReassignExpr___ANode__accept_transform_visitor(val* self, val* p0) {
 val* var_v /* var v: TransformVisitor */;
 val* var /* : ASTBuilder */;
@@ -3669,9 +4125,12 @@ val* var36 /* : AAttrAssignExpr */;
 val* var_nwrite /* var nwrite: AAttrAssignExpr */;
 var_v = p0;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var2 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3685,11 +4144,14 @@ var3 = nitc___nitc__ASTBuilder___make_block(var);
 }
 var_nblock = var3;
 {
-{ /* Inline parser_nodes#AAttrFormExpr#n_expr (self) on <self:AAttrReassignExpr> */
+{ /* Inline parser_nodes$AAttrFormExpr$n_expr (self) on <self:AAttrReassignExpr> */
 var6 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrReassignExpr> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2273);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2354);
 fatal_exit(1);
 }
 var4 = var6;
@@ -3697,25 +4159,31 @@ RET_LABEL5:(void)0;
 }
 }
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var4); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var4); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-{ /* Inline typing#AAttrFormExpr#mproperty (self) on <self:AAttrReassignExpr> */
+{ /* Inline typing$AAttrFormExpr$mproperty (self) on <self:AAttrReassignExpr> */
 var9 = self->attrs[COLOR_nitc__typing__AAttrFormExpr___mproperty].val; /* _mproperty on <self:AAttrReassignExpr> */
 var7 = var9;
 RET_LABEL8:(void)0;
 }
 }
 if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 479);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 480);
 fatal_exit(1);
 }
 var_attribute = var7;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var12 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3725,11 +4193,14 @@ RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AAttrFormExpr#n_expr (self) on <self:AAttrReassignExpr> */
+{ /* Inline parser_nodes$AAttrFormExpr$n_expr (self) on <self:AAttrReassignExpr> */
 var15 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrReassignExpr> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2273);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2354);
 fatal_exit(1);
 }
 var13 = var15;
@@ -3744,9 +4215,12 @@ var17 = nitc___nitc__ASTBuilder___make_attr_read(var10, var16, var_attribute);
 }
 var_nread = var17;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var20 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var20 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3756,28 +4230,34 @@ RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline typing#AReassignFormExpr#reassign_callsite (self) on <self:AAttrReassignExpr> */
+{ /* Inline typing$AReassignFormExpr$reassign_callsite (self) on <self:AAttrReassignExpr> */
 var23 = self->attrs[COLOR_nitc__typing__AReassignFormExpr___reassign_callsite].val; /* _reassign_callsite on <self:AAttrReassignExpr> */
 var21 = var23;
 RET_LABEL22:(void)0;
 }
 }
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 482);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 483);
 fatal_exit(1);
 }
 var24 = NEW_core__Array(&type_core__Array__nitc__AExpr);
 {
-core___core__Array___with_capacity(var24, 1l); /* Direct call array#Array#with_capacity on <var24:Array[AExpr]>*/
+core___core__Array___with_capacity(var24, 1l); /* Direct call array$Array$with_capacity on <var24:Array[AExpr]>*/
 }
 var_ = var24;
 {
-{ /* Inline parser_nodes#AReassignFormExpr#n_value (self) on <self:AAttrReassignExpr> */
+{ /* Inline parser_nodes$AReassignFormExpr$n_value (self) on <self:AAttrReassignExpr> */
 var27 = self->attrs[COLOR_nitc__parser_nodes__AReassignFormExpr___n_value].val; /* _n_value on <self:AAttrReassignExpr> */
 if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2003);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2084);
 fatal_exit(1);
 }
 var25 = var27;
@@ -3785,16 +4265,19 @@ RET_LABEL26:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var25); /* Direct call array#AbstractArray#push on <var_:Array[AExpr]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var25); /* Direct call array$AbstractArray$push on <var_:Array[AExpr]>*/
 }
 {
 var28 = nitc___nitc__ASTBuilder___make_call(var18, var_nread, var21, var_);
 }
 var_nnewvalue = var28;
 {
-{ /* Inline transform#TransformVisitor#builder (var_v) on <var_v:TransformVisitor> */
+{ /* Inline transform$TransformVisitor$builder (var_v) on <var_v:TransformVisitor> */
 var31 = var_v->attrs[COLOR_nitc__transform__TransformVisitor___builder].val; /* _builder on <var_v:TransformVisitor> */
 if (unlikely(var31 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _builder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__transform, 62);
 fatal_exit(1);
@@ -3804,11 +4287,14 @@ RET_LABEL30:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#AAttrFormExpr#n_expr (self) on <self:AAttrReassignExpr> */
+{ /* Inline parser_nodes$AAttrFormExpr$n_expr (self) on <self:AAttrReassignExpr> */
 var34 = self->attrs[COLOR_nitc__parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrReassignExpr> */
 if (unlikely(var34 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2273);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2354);
 fatal_exit(1);
 }
 var32 = var34;
@@ -3823,10 +4309,10 @@ var36 = nitc___nitc__ASTBuilder___make_attr_assign(var29, var35, var_attribute,
 }
 var_nwrite = var36;
 {
-nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nwrite); /* Direct call astbuilder#ABlockExpr#add on <var_nblock:ABlockExpr>*/
+nitc__astbuilder___ABlockExpr___AExpr__add(var_nblock, var_nwrite); /* Direct call astbuilder$ABlockExpr$add on <var_nblock:ABlockExpr>*/
 }
 {
-nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform#AExpr#replace_with on <self:AAttrReassignExpr>*/
+nitc__transform___AExpr___nitc__parser_nodes__ANode__replace_with(self, var_nblock); /* Direct call transform$AExpr$replace_with on <self:AAttrReassignExpr>*/
 }
 RET_LABEL:;
 }