Merge: doc: fixed some typos and other misc. corrections

[nit.git] / c_src / nitc__typing.sep.1.c

diff --git a/c_src/nitc__typing.sep.1.c b/c_src/nitc__typing.sep.1.c
index a47cce2..d72d350 100644 (file)
--- a/c_src/nitc__typing.sep.1.c
+++ b/c_src/nitc__typing.sep.1.c
@@ -1,10 +1,13 @@
 #include "nitc__typing.sep.0.h"
-/* method typing#ToolContext#typing_phase for (self: ToolContext): Phase */
+/* method typing$ToolContext$typing_phase for (self: ToolContext): Phase */
 val* nitc__typing___ToolContext___typing_phase(val* self) {
 val* var /* : Phase */;
 val* var1 /* : Phase */;
 var1 = self->attrs[COLOR_nitc__typing__ToolContext___typing_phase].val; /* _typing_phase on <self:ToolContext> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _typing_phase");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 26);
 fatal_exit(1);
@@ -13,7 +16,7 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypingPhase#process_npropdef for (self: TypingPhase, APropdef) */
+/* method typing$TypingPhase$process_npropdef for (self: TypingPhase, APropdef) */
 void nitc__typing___nitc__typing__TypingPhase___nitc__phase__Phase__process_npropdef(val* self, val* p0) {
 val* var_npropdef /* var npropdef: APropdef */;
 val* var /* : ToolContext */;
@@ -21,11 +24,14 @@ val* var2 /* : ToolContext */;
 val* var3 /* : ModelBuilder */;
 var_npropdef = p0;
 {
-{ /* Inline phase#Phase#toolcontext (self) on <self:TypingPhase> */
+{ /* Inline phase$Phase$toolcontext (self) on <self:TypingPhase> */
 var2 = self->attrs[COLOR_nitc__phase__Phase___toolcontext].val; /* _toolcontext on <self:TypingPhase> */
 if (unlikely(var2 == 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);
 }
 var = var2;
@@ -40,12 +46,15 @@ var3 = nitc__modelbuilder_base___ToolContext___modelbuilder(var);
 }
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#modelbuilder for (self: TypeVisitor): ModelBuilder */
+/* method typing$TypeVisitor$modelbuilder for (self: TypeVisitor): ModelBuilder */
 val* nitc__typing___nitc__typing__TypeVisitor___modelbuilder(val* self) {
 val* var /* : ModelBuilder */;
 val* var1 /* : ModelBuilder */;
 var1 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -54,17 +63,20 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#modelbuilder= for (self: TypeVisitor, ModelBuilder) */
+/* method typing$TypeVisitor$modelbuilder= for (self: TypeVisitor, ModelBuilder) */
 void nitc__typing___nitc__typing__TypeVisitor___modelbuilder_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val = p0; /* _modelbuilder on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#mmodule for (self: TypeVisitor): MModule */
+/* method typing$TypeVisitor$mmodule for (self: TypeVisitor): MModule */
 val* nitc__typing___nitc__typing__TypeVisitor___mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 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__typing, 37);
 fatal_exit(1);
@@ -73,12 +85,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#mmodule= for (self: TypeVisitor, MModule) */
+/* method typing$TypeVisitor$mmodule= for (self: TypeVisitor, MModule) */
 void nitc__typing___nitc__typing__TypeVisitor___mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val = p0; /* _mmodule on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#anchor for (self: TypeVisitor): nullable MClassType */
+/* method typing$TypeVisitor$anchor for (self: TypeVisitor): nullable MClassType */
 val* nitc__typing___nitc__typing__TypeVisitor___anchor(val* self) {
 val* var /* : nullable MClassType */;
 val* var1 /* : nullable MClassType */;
@@ -87,12 +99,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#anchor= for (self: TypeVisitor, nullable MClassType) */
+/* method typing$TypeVisitor$anchor= for (self: TypeVisitor, nullable MClassType) */
 void nitc__typing___nitc__typing__TypeVisitor___anchor_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val = p0; /* _anchor on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#mclassdef for (self: TypeVisitor): nullable MClassDef */
+/* method typing$TypeVisitor$mclassdef for (self: TypeVisitor): nullable MClassDef */
 val* nitc__typing___nitc__typing__TypeVisitor___mclassdef(val* self) {
 val* var /* : nullable MClassDef */;
 val* var1 /* : nullable MClassDef */;
@@ -101,12 +113,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#mclassdef= for (self: TypeVisitor, nullable MClassDef) */
+/* method typing$TypeVisitor$mclassdef= for (self: TypeVisitor, nullable MClassDef) */
 void nitc__typing___nitc__typing__TypeVisitor___mclassdef_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___mclassdef].val = p0; /* _mclassdef on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#mpropdef for (self: TypeVisitor): nullable MPropDef */
+/* method typing$TypeVisitor$mpropdef for (self: TypeVisitor): nullable MPropDef */
 val* nitc__typing___nitc__typing__TypeVisitor___mpropdef(val* self) {
 val* var /* : nullable MPropDef */;
 val* var1 /* : nullable MPropDef */;
@@ -115,17 +127,20 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#mpropdef= for (self: TypeVisitor, nullable MPropDef) */
+/* method typing$TypeVisitor$mpropdef= for (self: TypeVisitor, nullable MPropDef) */
 void nitc__typing___nitc__typing__TypeVisitor___mpropdef_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___mpropdef].val = p0; /* _mpropdef on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#selfvariable for (self: TypeVisitor): Variable */
+/* method typing$TypeVisitor$selfvariable for (self: TypeVisitor): Variable */
 val* nitc__typing___nitc__typing__TypeVisitor___selfvariable(val* self) {
 val* var /* : Variable */;
 val* var1 /* : Variable */;
 var1 = self->attrs[COLOR_nitc__typing__TypeVisitor___selfvariable].val; /* _selfvariable on <self:TypeVisitor> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _selfvariable");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 51);
 fatal_exit(1);
@@ -134,12 +149,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#selfvariable= for (self: TypeVisitor, Variable) */
+/* method typing$TypeVisitor$selfvariable= for (self: TypeVisitor, Variable) */
 void nitc__typing___nitc__typing__TypeVisitor___selfvariable_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___selfvariable].val = p0; /* _selfvariable on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#is_toplevel_context for (self: TypeVisitor): Bool */
+/* method typing$TypeVisitor$is_toplevel_context for (self: TypeVisitor): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___is_toplevel_context(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -148,12 +163,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#is_toplevel_context= for (self: TypeVisitor, Bool) */
+/* method typing$TypeVisitor$is_toplevel_context= for (self: TypeVisitor, Bool) */
 void nitc__typing___nitc__typing__TypeVisitor___is_toplevel_context_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___is_toplevel_context].s = p0; /* _is_toplevel_context on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#init for (self: TypeVisitor) */
+/* method typing$TypeVisitor$init for (self: TypeVisitor) */
 void nitc__typing___nitc__typing__TypeVisitor___core__kernel__Object__init(val* self) {
 val* var /* : nullable MPropDef */;
 val* var2 /* : nullable MPropDef */;
@@ -174,26 +189,30 @@ val* var_mclass /* var mclass: MClass */;
 val* var20 /* : Variable */;
 static val* varonce;
 val* var21 /* : String */;
-char* var22 /* : NativeString */;
+char* var22 /* : CString */;
 val* var23 /* : String */;
+val* var24 /* : nullable Int */;
+val* var25 /* : nullable Int */;
+val* var26 /* : nullable Bool */;
+val* var27 /* : nullable Bool */;
 val* var_selfvariable /* var selfvariable: Variable */;
-val* var25 /* : MClassType */;
-val* var27 /* : MClassType */;
-val* var29 /* : MProperty */;
-val* var31 /* : MProperty */;
+val* var29 /* : MClassType */;
+val* var31 /* : MClassType */;
+val* var33 /* : MProperty */;
+val* var35 /* : MProperty */;
 val* var_mprop /* var mprop: MProperty */;
-short int var32 /* : Bool */;
-short int var33 /* : Bool */;
+short int var36 /* : Bool */;
+short int var37 /* : Bool */;
 int cltype;
 int idtype;
 short int var_ /* var : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
+short int var38 /* : Bool */;
+short int var40 /* : Bool */;
 {
 ((void(*)(val* self))(self->class->vft[COLOR_nitc__typing___nitc__typing__TypeVisitor___core__kernel__Object__init]))(self); /* init on <self:TypeVisitor>*/
 }
 {
-{ /* Inline typing#TypeVisitor#mpropdef (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mpropdef (self) on <self:TypeVisitor> */
 var2 = self->attrs[COLOR_nitc__typing__TypeVisitor___mpropdef].val; /* _mpropdef on <self:TypeVisitor> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -206,7 +225,7 @@ var3 = 0; /* is null */
 var3 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_mpropdef,((val*)NULL)) on <var_mpropdef:nullable MPropDef> */
+{ /* Inline kernel$Object$!= (var_mpropdef,((val*)NULL)) on <var_mpropdef:nullable MPropDef> */
 var_other = ((val*)NULL);
 {
 var6 = ((short int(*)(val* self, val* p0))(var_mpropdef->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_mpropdef, var_other); /* == on <var_mpropdef:nullable MPropDef(MPropDef)>*/
@@ -220,17 +239,20 @@ var3 = var4;
 }
 if (var3){
 {
-{ /* Inline typing#TypeVisitor#mpropdef= (self,var_mpropdef) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mpropdef= (self,var_mpropdef) on <self:TypeVisitor> */
 self->attrs[COLOR_nitc__typing__TypeVisitor___mpropdef].val = var_mpropdef; /* _mpropdef on <self:TypeVisitor> */
 RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline model#MPropDef#mclassdef (var_mpropdef) on <var_mpropdef:nullable MPropDef(MPropDef)> */
+{ /* Inline model$MPropDef$mclassdef (var_mpropdef) on <var_mpropdef:nullable MPropDef(MPropDef)> */
 var11 = var_mpropdef->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var_mpropdef:nullable MPropDef(MPropDef)> */
 if (unlikely(var11 == 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);
 }
 var9 = var11;
@@ -239,17 +261,20 @@ RET_LABEL10:(void)0;
 }
 var_mclassdef = var9;
 {
-{ /* Inline typing#TypeVisitor#mclassdef= (self,var_mclassdef) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mclassdef= (self,var_mclassdef) on <self:TypeVisitor> */
 self->attrs[COLOR_nitc__typing__TypeVisitor___mclassdef].val = var_mclassdef; /* _mclassdef on <self:TypeVisitor> */
 RET_LABEL12:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#bound_mtype (var_mclassdef) on <var_mclassdef:MClassDef> */
+{ /* Inline model$MClassDef$bound_mtype (var_mclassdef) on <var_mclassdef:MClassDef> */
 var15 = var_mclassdef->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <var_mclassdef:MClassDef> */
 if (unlikely(var15 == 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);
 }
 var13 = var15;
@@ -257,17 +282,20 @@ RET_LABEL14:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#anchor= (self,var13) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$anchor= (self,var13) on <self:TypeVisitor> */
 self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val = var13; /* _anchor on <self:TypeVisitor> */
 RET_LABEL16:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mclass (var_mclassdef) on <var_mclassdef:MClassDef> */
+{ /* Inline model$MClassDef$mclass (var_mclassdef) on <var_mclassdef:MClassDef> */
 var19 = var_mclassdef->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <var_mclassdef:MClassDef> */
 if (unlikely(var19 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
 var17 = var19;
@@ -280,7 +308,11 @@ if (likely(varonce!=NULL)) {
 var21 = varonce;
 } else {
 var22 = "self";
-var23 = core__flat___NativeString___to_s_full(var22, 4l, 4l);
+var24 = (val*)(4l<<2|1);
+var25 = (val*)(4l<<2|1);
+var26 = (val*)((long)(0)<<2|3);
+var27 = (val*)((long)(0)<<2|3);
+var23 = core__flat___CString___to_s_unsafe(var22, var24, var25, var26, var27);
 var21 = var23;
 varonce = var21;
 }
@@ -292,68 +324,74 @@ varonce = var21;
 }
 var_selfvariable = var20;
 {
-{ /* Inline typing#TypeVisitor#selfvariable= (self,var_selfvariable) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$selfvariable= (self,var_selfvariable) on <self:TypeVisitor> */
 self->attrs[COLOR_nitc__typing__TypeVisitor___selfvariable].val = var_selfvariable; /* _selfvariable on <self:TypeVisitor> */
-RET_LABEL24:(void)0;
+RET_LABEL28:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#mclass_type (var_mclass) on <var_mclass:MClass> */
-var27 = var_mclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_mclass:MClass> */
-if (unlikely(var27 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var_mclass) on <var_mclass:MClass> */
+var31 = var_mclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_mclass:MClass> */
+if (unlikely(var31 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 507);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 520);
 fatal_exit(1);
 }
-var25 = var27;
-RET_LABEL26:(void)0;
+var29 = var31;
+RET_LABEL30:(void)0;
 }
 }
 {
-{ /* Inline typing#Variable#declared_type= (var_selfvariable,var25) on <var_selfvariable:Variable> */
-var_selfvariable->attrs[COLOR_nitc__typing__Variable___declared_type].val = var25; /* _declared_type on <var_selfvariable:Variable> */
-RET_LABEL28:(void)0;
+{ /* Inline typing$Variable$declared_type= (var_selfvariable,var29) on <var_selfvariable:Variable> */
+var_selfvariable->attrs[COLOR_nitc__typing__Variable___declared_type].val = var29; /* _declared_type on <var_selfvariable:Variable> */
+RET_LABEL32:(void)0;
 }
 }
 {
-{ /* Inline model#MPropDef#mproperty (var_mpropdef) on <var_mpropdef:nullable MPropDef(MPropDef)> */
-var31 = var_mpropdef->attrs[COLOR_nitc__model__MPropDef___mproperty].val; /* _mproperty on <var_mpropdef:nullable MPropDef(MPropDef)> */
-if (unlikely(var31 == NULL)) {
+{ /* Inline model$MPropDef$mproperty (var_mpropdef) on <var_mpropdef:nullable MPropDef(MPropDef)> */
+var35 = var_mpropdef->attrs[COLOR_nitc__model__MPropDef___mproperty].val; /* _mproperty on <var_mpropdef:nullable MPropDef(MPropDef)> */
+if (unlikely(var35 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2230);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2357);
 fatal_exit(1);
 }
-var29 = var31;
-RET_LABEL30:(void)0;
+var33 = var35;
+RET_LABEL34:(void)0;
 }
 }
-var_mprop = var29;
+var_mprop = var33;
 /* <var_mprop:MProperty> isa MMethod */
 cltype = type_nitc__MMethod.color;
 idtype = type_nitc__MMethod.id;
 if(cltype >= var_mprop->type->table_size) {
-var33 = 0;
+var37 = 0;
 } else {
-var33 = var_mprop->type->type_table[cltype] == idtype;
+var37 = var_mprop->type->type_table[cltype] == idtype;
 }
-var_ = var33;
-if (var33){
+var_ = var37;
+if (var37){
 {
-{ /* Inline model#MMethod#is_new (var_mprop) on <var_mprop:MProperty(MMethod)> */
-var36 = var_mprop->attrs[COLOR_nitc__model__MMethod___is_new].s; /* _is_new on <var_mprop:MProperty(MMethod)> */
-var34 = var36;
-RET_LABEL35:(void)0;
+{ /* Inline model$MMethod$is_new (var_mprop) on <var_mprop:MProperty(MMethod)> */
+var40 = var_mprop->attrs[COLOR_nitc__model__MMethod___is_new].s; /* _is_new on <var_mprop:MProperty(MMethod)> */
+var38 = var40;
+RET_LABEL39:(void)0;
 }
 }
-var32 = var34;
+var36 = var38;
 } else {
-var32 = var_;
+var36 = var_;
 }
-if (var32){
+if (var36){
 {
-{ /* Inline typing#TypeVisitor#is_toplevel_context= (self,1) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$is_toplevel_context= (self,1) on <self:TypeVisitor> */
 self->attrs[COLOR_nitc__typing__TypeVisitor___is_toplevel_context].s = 1; /* _is_toplevel_context on <self:TypeVisitor> */
-RET_LABEL37:(void)0;
+RET_LABEL41:(void)0;
 }
 }
 } else {
@@ -362,7 +400,7 @@ RET_LABEL37:(void)0;
 }
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#anchor_to for (self: TypeVisitor, MType): MType */
+/* method typing$TypeVisitor$anchor_to for (self: TypeVisitor, MType): MType */
 val* nitc__typing___nitc__typing__TypeVisitor___anchor_to(val* self, val* p0) {
 val* var /* : MType */;
 val* var_mtype /* var mtype: MType */;
@@ -381,7 +419,7 @@ val* var14 /* : MModule */;
 val* var15 /* : MType */;
 var_mtype = p0;
 {
-{ /* Inline typing#TypeVisitor#anchor (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$anchor (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val; /* _anchor on <self:TypeVisitor> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -394,10 +432,10 @@ var4 = 1; /* is null */
 var4 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
+{ /* Inline kernel$Object$== (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_anchor,var_other) on <var_anchor:nullable MClassType(MClassType)> */
+{ /* Inline kernel$Object$is_same_instance (var_anchor,var_other) on <var_anchor:nullable MClassType(MClassType)> */
 var9 = var_anchor == var_other;
 var7 = var9;
 goto RET_LABEL8;
@@ -416,6 +454,9 @@ var10 = ((short int(*)(val* self))(var_mtype->class->vft[COLOR_nitc__model__MTyp
 }
 var11 = !var10;
 if (unlikely(!var11)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 86);
 fatal_exit(1);
@@ -425,9 +466,12 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var14 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var14 == 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__typing, 37);
 fatal_exit(1);
@@ -444,7 +488,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#is_subtype for (self: TypeVisitor, MType, MType): Bool */
+/* method typing$TypeVisitor$is_subtype for (self: TypeVisitor, MType, MType): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___is_subtype(val* self, val* p0, val* p1) {
 short int var /* : Bool */;
 val* var_sub /* var sub: MType */;
@@ -457,9 +501,12 @@ short int var7 /* : Bool */;
 var_sub = p0;
 var_sup = p1;
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var3 == 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__typing, 37);
 fatal_exit(1);
@@ -469,7 +516,7 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#anchor (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$anchor (self) on <self:TypeVisitor> */
 var6 = self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val; /* _anchor on <self:TypeVisitor> */
 var4 = var6;
 RET_LABEL5:(void)0;
@@ -483,7 +530,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#resolve_for for (self: TypeVisitor, MType, MType, Bool): MType */
+/* method typing$TypeVisitor$resolve_for for (self: TypeVisitor, MType, MType, Bool): MType */
 val* nitc__typing___nitc__typing__TypeVisitor___resolve_for(val* self, val* p0, val* p1, short int p2) {
 val* var /* : MType */;
 val* var_mtype /* var mtype: MType */;
@@ -500,16 +547,19 @@ var_mtype = p0;
 var_subtype = p1;
 var_for_self = p2;
 {
-{ /* Inline typing#TypeVisitor#anchor (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$anchor (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val; /* _anchor on <self:TypeVisitor> */
 var1 = var3;
 RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var6 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var6 == 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__typing, 37);
 fatal_exit(1);
@@ -528,7 +578,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#check_subtype for (self: TypeVisitor, ANode, MType, MType, Bool): nullable MType */
+/* method typing$TypeVisitor$check_subtype for (self: TypeVisitor, ANode, MType, MType, Bool): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___check_subtype(val* self, val* p0, val* p1, val* p2, short int p3) {
 val* var /* : nullable MType */;
 val* var_node /* var node: ANode */;
@@ -552,43 +602,71 @@ val* var11 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce12;
 val* var13 /* : String */;
-char* var14 /* : NativeString */;
+char* var14 /* : CString */;
 val* var15 /* : String */;
-static val* varonce16;
-val* var17 /* : String */;
-char* var18 /* : NativeString */;
-val* var19 /* : String */;
+val* var16 /* : nullable Int */;
+val* var17 /* : nullable Int */;
+val* var18 /* : nullable Bool */;
+val* var19 /* : nullable Bool */;
 static val* varonce20;
 val* var21 /* : String */;
-char* var22 /* : NativeString */;
+char* var22 /* : CString */;
 val* var23 /* : String */;
-static val* varonce24;
-val* var25 /* : String */;
-char* var26 /* : NativeString */;
-val* var27 /* : String */;
-val* var28 /* : String */;
+val* var24 /* : nullable Int */;
+val* var25 /* : nullable Int */;
+val* var26 /* : nullable Bool */;
+val* var27 /* : nullable Bool */;
+static val* varonce28;
 val* var29 /* : String */;
-val* var30 /* : String */;
+char* var30 /* : CString */;
 val* var31 /* : String */;
-val* var32 /* : ModelBuilder */;
-val* var34 /* : ModelBuilder */;
-val* var36 /* : NativeArray[String] */;
-static val* varonce35;
-static val* varonce37;
-val* var38 /* : String */;
-char* var39 /* : NativeString */;
-val* var40 /* : String */;
-static val* varonce41;
-val* var42 /* : String */;
-char* var43 /* : NativeString */;
+val* var32 /* : nullable Int */;
+val* var33 /* : nullable Int */;
+val* var34 /* : nullable Bool */;
+val* var35 /* : nullable Bool */;
+static val* varonce36;
+val* var37 /* : String */;
+char* var38 /* : CString */;
+val* var39 /* : String */;
+val* var40 /* : nullable Int */;
+val* var41 /* : nullable Int */;
+val* var42 /* : nullable Bool */;
+val* var43 /* : nullable Bool */;
 val* var44 /* : String */;
-static val* varonce45;
+val* var45 /* : String */;
 val* var46 /* : String */;
-char* var47 /* : NativeString */;
-val* var48 /* : String */;
-val* var49 /* : String */;
-val* var50 /* : String */;
-val* var51 /* : String */;
+val* var47 /* : String */;
+val* var48 /* : ModelBuilder */;
+val* var50 /* : ModelBuilder */;
+val* var52 /* : NativeArray[String] */;
+static val* varonce51;
+static val* varonce53;
+val* var54 /* : String */;
+char* var55 /* : CString */;
+val* var56 /* : String */;
+val* var57 /* : nullable Int */;
+val* var58 /* : nullable Int */;
+val* var59 /* : nullable Bool */;
+val* var60 /* : nullable Bool */;
+static val* varonce61;
+val* var62 /* : String */;
+char* var63 /* : CString */;
+val* var64 /* : String */;
+val* var65 /* : nullable Int */;
+val* var66 /* : nullable Int */;
+val* var67 /* : nullable Bool */;
+val* var68 /* : nullable Bool */;
+static val* varonce69;
+val* var70 /* : String */;
+char* var71 /* : CString */;
+val* var72 /* : String */;
+val* var73 /* : nullable Int */;
+val* var74 /* : nullable Int */;
+val* var75 /* : nullable Bool */;
+val* var76 /* : nullable Bool */;
+val* var77 /* : String */;
+val* var78 /* : String */;
+val* var79 /* : String */;
 var_node = p0;
 var_sub = p1;
 var_sup = p2;
@@ -618,9 +696,9 @@ var = var_sup;
 goto RET_LABEL;
 } else {
 }
-/* <var_sup:MType> isa MBottomType */
-cltype = type_nitc__MBottomType.color;
-idtype = type_nitc__MBottomType.id;
+/* <var_sup:MType> isa MErrorType */
+cltype = type_nitc__MErrorType.color;
+idtype = type_nitc__MErrorType.id;
 if(cltype >= var_sup->type->table_size) {
 var5 = 0;
 } else {
@@ -640,9 +718,12 @@ var7 = nitc__typing___nitc__typing__TypeVisitor___anchor_to(self, var_sub);
 }
 var_u = var7;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var10 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var10 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -652,126 +733,157 @@ RET_LABEL9:(void)0;
 }
 }
 if (unlikely(varonce==NULL)) {
-var11 = NEW_core__NativeArray(7l, &type_core__NativeArray__core__String);
+var11 = NEW_core__NativeArray((int)7l, &type_core__NativeArray__core__String);
 if (likely(varonce12!=NULL)) {
 var13 = varonce12;
 } else {
 var14 = "Type Error: expected `";
-var15 = core__flat___NativeString___to_s_full(var14, 22l, 22l);
+var16 = (val*)(22l<<2|1);
+var17 = (val*)(22l<<2|1);
+var18 = (val*)((long)(0)<<2|3);
+var19 = (val*)((long)(0)<<2|3);
+var15 = core__flat___CString___to_s_unsafe(var14, var16, var17, var18, var19);
 var13 = var15;
 varonce12 = var13;
 }
 ((struct instance_core__NativeArray*)var11)->values[0]=var13;
-if (likely(varonce16!=NULL)) {
-var17 = varonce16;
-} else {
-var18 = "`, got `";
-var19 = core__flat___NativeString___to_s_full(var18, 8l, 8l);
-var17 = var19;
-varonce16 = var17;
-}
-((struct instance_core__NativeArray*)var11)->values[2]=var17;
 if (likely(varonce20!=NULL)) {
 var21 = varonce20;
 } else {
-var22 = ": ";
-var23 = core__flat___NativeString___to_s_full(var22, 2l, 2l);
+var22 = "`, got `";
+var24 = (val*)(8l<<2|1);
+var25 = (val*)(8l<<2|1);
+var26 = (val*)((long)(0)<<2|3);
+var27 = (val*)((long)(0)<<2|3);
+var23 = core__flat___CString___to_s_unsafe(var22, var24, var25, var26, var27);
 var21 = var23;
 varonce20 = var21;
 }
-((struct instance_core__NativeArray*)var11)->values[4]=var21;
-if (likely(varonce24!=NULL)) {
-var25 = varonce24;
+((struct instance_core__NativeArray*)var11)->values[2]=var21;
+if (likely(varonce28!=NULL)) {
+var29 = varonce28;
 } else {
-var26 = "`.";
-var27 = core__flat___NativeString___to_s_full(var26, 2l, 2l);
-var25 = var27;
-varonce24 = var25;
+var30 = ": ";
+var32 = (val*)(2l<<2|1);
+var33 = (val*)(2l<<2|1);
+var34 = (val*)((long)(0)<<2|3);
+var35 = (val*)((long)(0)<<2|3);
+var31 = core__flat___CString___to_s_unsafe(var30, var32, var33, var34, var35);
+var29 = var31;
+varonce28 = var29;
+}
+((struct instance_core__NativeArray*)var11)->values[4]=var29;
+if (likely(varonce36!=NULL)) {
+var37 = varonce36;
+} else {
+var38 = "`.";
+var40 = (val*)(2l<<2|1);
+var41 = (val*)(2l<<2|1);
+var42 = (val*)((long)(0)<<2|3);
+var43 = (val*)((long)(0)<<2|3);
+var39 = core__flat___CString___to_s_unsafe(var38, var40, var41, var42, var43);
+var37 = var39;
+varonce36 = var37;
 }
-((struct instance_core__NativeArray*)var11)->values[6]=var25;
+((struct instance_core__NativeArray*)var11)->values[6]=var37;
 } else {
 var11 = varonce;
 varonce = NULL;
 }
 {
-var28 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:MType>*/
+var44 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:MType>*/
 }
-((struct instance_core__NativeArray*)var11)->values[1]=var28;
+((struct instance_core__NativeArray*)var11)->values[1]=var44;
 {
-var29 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:MType>*/
+var45 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:MType>*/
 }
-((struct instance_core__NativeArray*)var11)->values[3]=var29;
+((struct instance_core__NativeArray*)var11)->values[3]=var45;
 {
-var30 = ((val*(*)(val* self))(var_u->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_u); /* to_s on <var_u:MType>*/
+var46 = ((val*(*)(val* self))(var_u->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_u); /* to_s on <var_u:MType>*/
 }
-((struct instance_core__NativeArray*)var11)->values[5]=var30;
+((struct instance_core__NativeArray*)var11)->values[5]=var46;
 {
-var31 = ((val*(*)(val* self))(var11->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var11); /* native_to_s on <var11:NativeArray[String]>*/
+var47 = ((val*(*)(val* self))(var11->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var11); /* native_to_s on <var11:NativeArray[String]>*/
 }
 varonce = var11;
 {
-nitc___nitc__ModelBuilder___error(var8, var_node, var31); /* Direct call modelbuilder_base#ModelBuilder#error on <var8:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var8, var_node, var47); /* Direct call modelbuilder_base$ModelBuilder$error on <var8:ModelBuilder>*/
 }
 } else {
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var34 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var34 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var50 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var50 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var32 = var34;
-RET_LABEL33:(void)0;
+var48 = var50;
+RET_LABEL49:(void)0;
 }
 }
-if (unlikely(varonce35==NULL)) {
-var36 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce37!=NULL)) {
-var38 = varonce37;
+if (unlikely(varonce51==NULL)) {
+var52 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce53!=NULL)) {
+var54 = varonce53;
 } else {
-var39 = "Type Error: expected `";
-var40 = core__flat___NativeString___to_s_full(var39, 22l, 22l);
-var38 = var40;
-varonce37 = var38;
+var55 = "Type Error: expected `";
+var57 = (val*)(22l<<2|1);
+var58 = (val*)(22l<<2|1);
+var59 = (val*)((long)(0)<<2|3);
+var60 = (val*)((long)(0)<<2|3);
+var56 = core__flat___CString___to_s_unsafe(var55, var57, var58, var59, var60);
+var54 = var56;
+varonce53 = var54;
 }
-((struct instance_core__NativeArray*)var36)->values[0]=var38;
-if (likely(varonce41!=NULL)) {
-var42 = varonce41;
+((struct instance_core__NativeArray*)var52)->values[0]=var54;
+if (likely(varonce61!=NULL)) {
+var62 = varonce61;
 } else {
-var43 = "`, got `";
-var44 = core__flat___NativeString___to_s_full(var43, 8l, 8l);
-var42 = var44;
-varonce41 = var42;
+var63 = "`, got `";
+var65 = (val*)(8l<<2|1);
+var66 = (val*)(8l<<2|1);
+var67 = (val*)((long)(0)<<2|3);
+var68 = (val*)((long)(0)<<2|3);
+var64 = core__flat___CString___to_s_unsafe(var63, var65, var66, var67, var68);
+var62 = var64;
+varonce61 = var62;
 }
-((struct instance_core__NativeArray*)var36)->values[2]=var42;
-if (likely(varonce45!=NULL)) {
-var46 = varonce45;
+((struct instance_core__NativeArray*)var52)->values[2]=var62;
+if (likely(varonce69!=NULL)) {
+var70 = varonce69;
 } else {
-var47 = "`.";
-var48 = core__flat___NativeString___to_s_full(var47, 2l, 2l);
-var46 = var48;
-varonce45 = var46;
+var71 = "`.";
+var73 = (val*)(2l<<2|1);
+var74 = (val*)(2l<<2|1);
+var75 = (val*)((long)(0)<<2|3);
+var76 = (val*)((long)(0)<<2|3);
+var72 = core__flat___CString___to_s_unsafe(var71, var73, var74, var75, var76);
+var70 = var72;
+varonce69 = var70;
 }
-((struct instance_core__NativeArray*)var36)->values[4]=var46;
+((struct instance_core__NativeArray*)var52)->values[4]=var70;
 } else {
-var36 = varonce35;
-varonce35 = NULL;
+var52 = varonce51;
+varonce51 = NULL;
 }
 {
-var49 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:MType>*/
+var77 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:MType>*/
 }
-((struct instance_core__NativeArray*)var36)->values[1]=var49;
+((struct instance_core__NativeArray*)var52)->values[1]=var77;
 {
-var50 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:MType>*/
+var78 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:MType>*/
 }
-((struct instance_core__NativeArray*)var36)->values[3]=var50;
+((struct instance_core__NativeArray*)var52)->values[3]=var78;
 {
-var51 = ((val*(*)(val* self))(var36->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var36); /* native_to_s on <var36:NativeArray[String]>*/
+var79 = ((val*(*)(val* self))(var52->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var52); /* native_to_s on <var52:NativeArray[String]>*/
 }
-varonce35 = var36;
+varonce51 = var52;
 {
-nitc___nitc__ModelBuilder___error(var32, var_node, var51); /* Direct call modelbuilder_base#ModelBuilder#error on <var32:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var48, var_node, var79); /* Direct call modelbuilder_base$ModelBuilder$error on <var48:ModelBuilder>*/
 }
 }
 var = ((val*)NULL);
@@ -779,7 +891,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#visit_stmt for (self: TypeVisitor, nullable AExpr) */
+/* method typing$TypeVisitor$visit_stmt for (self: TypeVisitor, nullable AExpr) */
 void nitc__typing___nitc__typing__TypeVisitor___visit_stmt(val* self, val* p0) {
 val* var_nexpr /* var nexpr: nullable AExpr */;
 short int var /* : Bool */;
@@ -794,10 +906,10 @@ var = 1; /* is null */
 var = 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)> */
 var5 = var_nexpr == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -819,7 +931,7 @@ goto RET_LABEL;
 }
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#visit_expr for (self: TypeVisitor, AExpr): nullable MType */
+/* method typing$TypeVisitor$visit_expr for (self: TypeVisitor, AExpr): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___visit_expr(val* self, val* p0) {
 val* var /* : nullable MType */;
 val* var_nexpr /* var nexpr: AExpr */;
@@ -860,12 +972,59 @@ const char* var_class_name39;
 short int var40 /* : Bool */;
 static val* varonce;
 val* var41 /* : String */;
-char* var42 /* : NativeString */;
+char* var42 /* : CString */;
 val* var43 /* : String */;
-static val* varonce44;
-val* var45 /* : String */;
-char* var46 /* : NativeString */;
-val* var47 /* : String */;
+val* var44 /* : nullable Int */;
+val* var45 /* : nullable Int */;
+val* var46 /* : nullable Bool */;
+val* var47 /* : nullable Bool */;
+val* var_more_message /* var more_message: nullable Object */;
+val* var48 /* : nullable ANode */;
+val* var50 /* : nullable ANode */;
+val* var_p /* var p: nullable ANode */;
+short int var51 /* : Bool */;
+short int var52 /* : Bool */;
+short int var54 /* : Bool */;
+short int var55 /* : Bool */;
+val* var56 /* : nullable String */;
+short int var57 /* : Bool */;
+short int var58 /* : Bool */;
+static val* varonce59;
+val* var60 /* : String */;
+char* var61 /* : CString */;
+val* var62 /* : String */;
+val* var63 /* : nullable Int */;
+val* var64 /* : nullable Int */;
+val* var65 /* : nullable Bool */;
+val* var66 /* : nullable Bool */;
+static val* varonce67;
+val* var68 /* : String */;
+char* var69 /* : CString */;
+val* var70 /* : String */;
+val* var71 /* : nullable Int */;
+val* var72 /* : nullable Int */;
+val* var73 /* : nullable Bool */;
+val* var74 /* : nullable Bool */;
+val* var75 /* : Text */;
+val* var77 /* : NativeArray[String] */;
+static val* varonce76;
+static val* varonce78;
+val* var79 /* : String */;
+char* var80 /* : CString */;
+val* var81 /* : String */;
+val* var82 /* : nullable Int */;
+val* var83 /* : nullable Int */;
+val* var84 /* : nullable Bool */;
+val* var85 /* : nullable Bool */;
+static val* varonce86;
+val* var87 /* : String */;
+char* var88 /* : CString */;
+val* var89 /* : String */;
+val* var90 /* : nullable Int */;
+val* var91 /* : nullable Int */;
+val* var92 /* : nullable Bool */;
+val* var93 /* : nullable Bool */;
+val* var94 /* : String */;
 var_nexpr = p0;
 {
 ((void(*)(val* self, val* p0))(var_nexpr->class->vft[COLOR_nitc__typing__AExpr__accept_typing]))(var_nexpr, self); /* accept_typing on <var_nexpr:AExpr>*/
@@ -880,7 +1039,7 @@ var2 = 0; /* is null */
 var2 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
+{ /* Inline kernel$Object$!= (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
 var_other = ((val*)NULL);
 {
 var5 = ((short int(*)(val* self, val* p0))(var_mtype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_mtype, var_other); /* == on <var_mtype:nullable MType(MType)>*/
@@ -898,7 +1057,7 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#AExpr#is_typed (var_nexpr) on <var_nexpr:AExpr> */
+{ /* Inline typing$AExpr$is_typed (var_nexpr) on <var_nexpr:AExpr> */
 var9 = var_nexpr->attrs[COLOR_nitc__typing__AExpr___is_typed].s; /* _is_typed on <var_nexpr:AExpr> */
 var7 = var9;
 RET_LABEL8:(void)0;
@@ -907,9 +1066,12 @@ RET_LABEL8:(void)0;
 var10 = !var7;
 if (var10){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var13 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -919,9 +1081,12 @@ RET_LABEL12:(void)0;
 }
 }
 {
-{ /* Inline modelbuilder_base#ModelBuilder#toolcontext (var11) on <var11:ModelBuilder> */
+{ /* Inline modelbuilder_base$ModelBuilder$toolcontext (var11) on <var11:ModelBuilder> */
 var16 = var11->attrs[COLOR_nitc__modelbuilder_base__ModelBuilder___toolcontext].val; /* _toolcontext on <var11:ModelBuilder> */
 if (unlikely(var16 == 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__modelbuilder_base, 47);
 fatal_exit(1);
@@ -931,21 +1096,21 @@ RET_LABEL15:(void)0;
 }
 }
 {
-{ /* Inline toolcontext#ToolContext#error_count (var14) on <var14:ToolContext> */
+{ /* Inline toolcontext$ToolContext$error_count (var14) on <var14:ToolContext> */
 var19 = var14->attrs[COLOR_nitc__toolcontext__ToolContext___error_count].l; /* _error_count on <var14:ToolContext> */
 var17 = var19;
 RET_LABEL18:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#> (var17,0l) on <var17:Int> */
+{ /* Inline kernel$Int$> (var17,0l) on <var17:Int> */
 /* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
 /* <0l:Int> isa OTHER */
 var22 = 1; /* easy <0l:Int> isa OTHER*/
 if (unlikely(!var22)) {
 var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 730);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
 fatal_exit(1);
 }
 var23 = var17 > 0l;
@@ -957,9 +1122,12 @@ RET_LABEL21:(void)0;
 var24 = !var20;
 if (var24){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var27 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -969,9 +1137,12 @@ RET_LABEL26:(void)0;
 }
 }
 {
-{ /* Inline modelbuilder_base#ModelBuilder#toolcontext (var25) on <var25:ModelBuilder> */
+{ /* Inline modelbuilder_base$ModelBuilder$toolcontext (var25) on <var25:ModelBuilder> */
 var30 = var25->attrs[COLOR_nitc__modelbuilder_base__ModelBuilder___toolcontext].val; /* _toolcontext on <var25:ModelBuilder> */
 if (unlikely(var30 == 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__modelbuilder_base, 47);
 fatal_exit(1);
@@ -981,21 +1152,21 @@ RET_LABEL29:(void)0;
 }
 }
 {
-{ /* Inline toolcontext#ToolContext#verbose_level (var28) on <var28:ToolContext> */
+{ /* Inline toolcontext$ToolContext$verbose_level (var28) on <var28:ToolContext> */
 var33 = var28->attrs[COLOR_nitc__toolcontext__ToolContext___verbose_level].l; /* _verbose_level on <var28:ToolContext> */
 var31 = var33;
 RET_LABEL32:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#> (var31,1l) on <var31:Int> */
+{ /* Inline kernel$Int$> (var31,1l) on <var31:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
 var36 = 1; /* easy <1l:Int> isa OTHER*/
 if (unlikely(!var36)) {
 var_class_name39 = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 730);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
 fatal_exit(1);
 }
 var40 = var31 > 1l;
@@ -1009,12 +1180,16 @@ if (likely(varonce!=NULL)) {
 var41 = varonce;
 } else {
 var42 = "No return type but no error.";
-var43 = core__flat___NativeString___to_s_full(var42, 28l, 28l);
+var44 = (val*)(28l<<2|1);
+var45 = (val*)(28l<<2|1);
+var46 = (val*)((long)(0)<<2|3);
+var47 = (val*)((long)(0)<<2|3);
+var43 = core__flat___CString___to_s_unsafe(var42, var44, var45, var46, var47);
 var41 = var43;
 varonce = var41;
 }
 {
-nitc___nitc__ANode___debug(var_nexpr, var41); /* Direct call parser_nodes#ANode#debug on <var_nexpr:AExpr>*/
+nitc___nitc__ANode___debug(var_nexpr, var41); /* Direct call parser_nodes$ANode$debug on <var_nexpr:AExpr>*/
 }
 } else {
 }
@@ -1024,23 +1199,127 @@ var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
-if (likely(varonce44!=NULL)) {
-var45 = varonce44;
+var_more_message = ((val*)NULL);
+{
+{ /* Inline parser_nodes$ANode$parent (var_nexpr) on <var_nexpr:AExpr> */
+var50 = var_nexpr->attrs[COLOR_nitc__parser_nodes__ANode___parent].val; /* _parent on <var_nexpr:AExpr> */
+var48 = var50;
+RET_LABEL49:(void)0;
+}
+}
+var_p = var48;
+if (var_p == NULL) {
+var51 = 0; /* is null */
 } else {
-var46 = "Error: expected an expression.";
-var47 = core__flat___NativeString___to_s_full(var46, 30l, 30l);
-var45 = var47;
-varonce44 = var45;
+var51 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel$Object$!= (var_p,((val*)NULL)) on <var_p:nullable ANode> */
+var_other = ((val*)NULL);
+{
+var54 = ((short int(*)(val* self, val* p0))(var_p->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_p, var_other); /* == on <var_p:nullable ANode(ANode)>*/
+}
+var55 = !var54;
+var52 = var55;
+goto RET_LABEL53;
+RET_LABEL53:(void)0;
+}
+var51 = var52;
+}
+if (var51){
+{
+var56 = ((val*(*)(val* self, val* p0))(var_p->class->vft[COLOR_nitc__typing__ANode__bad_expr_message]))(var_p, var_nexpr); /* bad_expr_message on <var_p:nullable ANode(ANode)>*/
+}
+var_more_message = var56;
+} else {
+}
+if (var_more_message == NULL) {
+var57 = 1; /* is null */
+} else {
+var57 = 0; /* arg is null but recv is not */
+}
+if (0) {
+var58 = ((short int(*)(val* self, val* p0))(var_more_message->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_more_message, ((val*)NULL)); /* == on <var_more_message:nullable Object(nullable String)>*/
+var57 = var58;
+}
+if (var57){
+if (likely(varonce59!=NULL)) {
+var60 = varonce59;
+} else {
+var61 = "";
+var63 = (val*)(0l<<2|1);
+var64 = (val*)(0l<<2|1);
+var65 = (val*)((long)(0)<<2|3);
+var66 = (val*)((long)(0)<<2|3);
+var62 = core__flat___CString___to_s_unsafe(var61, var63, var64, var65, var66);
+var60 = var62;
+varonce59 = var60;
+}
+var_more_message = var60;
+} else {
+if (likely(varonce67!=NULL)) {
+var68 = varonce67;
+} else {
+var69 = " ";
+var71 = (val*)(1l<<2|1);
+var72 = (val*)(1l<<2|1);
+var73 = (val*)((long)(0)<<2|3);
+var74 = (val*)((long)(0)<<2|3);
+var70 = core__flat___CString___to_s_unsafe(var69, var71, var72, var73, var74);
+var68 = var70;
+varonce67 = var68;
+}
+{
+var75 = ((val*(*)(val* self, val* p0))(var68->class->vft[COLOR_core__abstract_text__Text___43d]))(var68, var_more_message); /* + on <var68:String>*/
+}
+var_more_message = var75;
+}
+if (unlikely(varonce76==NULL)) {
+var77 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce78!=NULL)) {
+var79 = varonce78;
+} else {
+var80 = "Error: expected an expression";
+var82 = (val*)(29l<<2|1);
+var83 = (val*)(29l<<2|1);
+var84 = (val*)((long)(0)<<2|3);
+var85 = (val*)((long)(0)<<2|3);
+var81 = core__flat___CString___to_s_unsafe(var80, var82, var83, var84, var85);
+var79 = var81;
+varonce78 = var79;
+}
+((struct instance_core__NativeArray*)var77)->values[0]=var79;
+if (likely(varonce86!=NULL)) {
+var87 = varonce86;
+} else {
+var88 = ".";
+var90 = (val*)(1l<<2|1);
+var91 = (val*)(1l<<2|1);
+var92 = (val*)((long)(0)<<2|3);
+var93 = (val*)((long)(0)<<2|3);
+var89 = core__flat___CString___to_s_unsafe(var88, var90, var91, var92, var93);
+var87 = var89;
+varonce86 = var87;
+}
+((struct instance_core__NativeArray*)var77)->values[2]=var87;
+} else {
+var77 = varonce76;
+varonce76 = NULL;
 }
+((struct instance_core__NativeArray*)var77)->values[1]=var_more_message;
 {
-nitc__typing___nitc__typing__TypeVisitor___error(self, var_nexpr, var45); /* Direct call typing#TypeVisitor#error on <self:TypeVisitor>*/
+var94 = ((val*(*)(val* self))(var77->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var77); /* native_to_s on <var77:NativeArray[String]>*/
+}
+varonce76 = var77;
+{
+nitc__typing___nitc__typing__TypeVisitor___error(self, var_nexpr, var94); /* Direct call typing$TypeVisitor$error on <self:TypeVisitor>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#visit_expr_subtype for (self: TypeVisitor, AExpr, nullable MType): nullable MType */
+/* method typing$TypeVisitor$visit_expr_subtype for (self: TypeVisitor, AExpr, nullable MType): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(val* self, val* p0, val* p1) {
 val* var /* : nullable MType */;
 val* var_nexpr /* var nexpr: AExpr */;
@@ -1075,10 +1354,10 @@ var2 = 1; /* is null */
 var2 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_sub,((val*)NULL)) on <var_sub:nullable MType> */
+{ /* Inline kernel$Object$== (var_sub,((val*)NULL)) on <var_sub:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_sub,var_other) on <var_sub:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_sub,var_other) on <var_sub:nullable MType(MType)> */
 var7 = var_sub == var_other;
 var5 = var7;
 goto RET_LABEL6;
@@ -1102,10 +1381,10 @@ var8 = 1; /* is null */
 var8 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_sup,((val*)NULL)) on <var_sup:nullable MType> */
+{ /* Inline kernel$Object$== (var_sup,((val*)NULL)) on <var_sup:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_sup,var_other) on <var_sup:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_sup,var_other) on <var_sup:nullable MType(MType)> */
 var13 = var_sup == var_other;
 var11 = var13;
 goto RET_LABEL12;
@@ -1130,7 +1409,7 @@ var_res = var14;
 if (var_res == NULL) {
 var15 = 1; /* <var_sub:nullable MType(MType)> cannot be null */
 } else {
-{ /* Inline kernel#Object#!= (var_res,var_sub) on <var_res:nullable MType> */
+{ /* Inline kernel$Object$!= (var_res,var_sub) on <var_res:nullable MType> */
 var_other18 = var_sub;
 {
 var19 = ((short int(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_res, var_other18); /* == on <var_res:nullable MType(MType)>*/
@@ -1144,7 +1423,7 @@ var15 = var16;
 }
 if (var15){
 {
-{ /* Inline typing#AExpr#implicit_cast_to= (var_nexpr,var_res) on <var_nexpr:AExpr> */
+{ /* Inline typing$AExpr$implicit_cast_to= (var_nexpr,var_res) on <var_nexpr:AExpr> */
 var_nexpr->attrs[COLOR_nitc__typing__AExpr___implicit_cast_to].val = var_res; /* _implicit_cast_to on <var_nexpr:AExpr> */
 RET_LABEL21:(void)0;
 }
@@ -1156,7 +1435,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#visit_expr_bool for (self: TypeVisitor, AExpr): nullable MType */
+/* method typing$TypeVisitor$visit_expr_bool for (self: TypeVisitor, AExpr): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___visit_expr_bool(val* self, val* p0) {
 val* var /* : nullable MType */;
 val* var_nexpr /* var nexpr: AExpr */;
@@ -1174,7 +1453,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#check_expr_cast for (self: TypeVisitor, ANode, AExpr, AType): nullable MType */
+/* method typing$TypeVisitor$check_expr_cast for (self: TypeVisitor, ANode, AExpr, AType): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___check_expr_cast(val* self, val* p0, val* p1, val* p2) {
 val* var /* : nullable MType */;
 val* var_node /* var node: ANode */;
@@ -1201,44 +1480,72 @@ val* var22 /* : ModelBuilder */;
 val* var24 /* : ModelBuilder */;
 static val* varonce;
 val* var25 /* : String */;
-char* var26 /* : NativeString */;
+char* var26 /* : CString */;
 val* var27 /* : String */;
-val* var29 /* : NativeArray[String] */;
-static val* varonce28;
-static val* varonce30;
-val* var31 /* : String */;
-char* var32 /* : NativeString */;
-val* var33 /* : String */;
+val* var28 /* : nullable Int */;
+val* var29 /* : nullable Int */;
+val* var30 /* : nullable Bool */;
+val* var31 /* : nullable Bool */;
+val* var33 /* : NativeArray[String] */;
+static val* varonce32;
 static val* varonce34;
 val* var35 /* : String */;
-char* var36 /* : NativeString */;
+char* var36 /* : CString */;
 val* var37 /* : String */;
-val* var38 /* : String */;
-val* var39 /* : String */;
-short int var40 /* : Bool */;
-val* var41 /* : ModelBuilder */;
-val* var43 /* : ModelBuilder */;
-static val* varonce44;
+val* var38 /* : nullable Int */;
+val* var39 /* : nullable Int */;
+val* var40 /* : nullable Bool */;
+val* var41 /* : nullable Bool */;
+static val* varonce42;
+val* var43 /* : String */;
+char* var44 /* : CString */;
 val* var45 /* : String */;
-char* var46 /* : NativeString */;
-val* var47 /* : String */;
-val* var49 /* : NativeArray[String] */;
-static val* varonce48;
-static val* varonce50;
+val* var46 /* : nullable Int */;
+val* var47 /* : nullable Int */;
+val* var48 /* : nullable Bool */;
+val* var49 /* : nullable Bool */;
+val* var50 /* : String */;
 val* var51 /* : String */;
-char* var52 /* : NativeString */;
-val* var53 /* : String */;
-static val* varonce54;
-val* var55 /* : String */;
-char* var56 /* : NativeString */;
+short int var52 /* : Bool */;
+val* var53 /* : ModelBuilder */;
+val* var55 /* : ModelBuilder */;
+static val* varonce56;
 val* var57 /* : String */;
-static val* varonce58;
+char* var58 /* : CString */;
 val* var59 /* : String */;
-char* var60 /* : NativeString */;
-val* var61 /* : String */;
-val* var62 /* : String */;
-val* var63 /* : String */;
-val* var64 /* : String */;
+val* var60 /* : nullable Int */;
+val* var61 /* : nullable Int */;
+val* var62 /* : nullable Bool */;
+val* var63 /* : nullable Bool */;
+val* var65 /* : NativeArray[String] */;
+static val* varonce64;
+static val* varonce66;
+val* var67 /* : String */;
+char* var68 /* : CString */;
+val* var69 /* : String */;
+val* var70 /* : nullable Int */;
+val* var71 /* : nullable Int */;
+val* var72 /* : nullable Bool */;
+val* var73 /* : nullable Bool */;
+static val* varonce74;
+val* var75 /* : String */;
+char* var76 /* : CString */;
+val* var77 /* : String */;
+val* var78 /* : nullable Int */;
+val* var79 /* : nullable Int */;
+val* var80 /* : nullable Bool */;
+val* var81 /* : nullable Bool */;
+static val* varonce82;
+val* var83 /* : String */;
+char* var84 /* : CString */;
+val* var85 /* : String */;
+val* var86 /* : nullable Int */;
+val* var87 /* : nullable Int */;
+val* var88 /* : nullable Bool */;
+val* var89 /* : nullable Bool */;
+val* var90 /* : String */;
+val* var91 /* : String */;
+val* var92 /* : String */;
 var_node = p0;
 var_nexpr = p1;
 var_ntype = p2;
@@ -1252,10 +1559,10 @@ var2 = 1; /* is null */
 var2 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_sub,((val*)NULL)) on <var_sub:nullable MType> */
+{ /* Inline kernel$Object$== (var_sub,((val*)NULL)) on <var_sub:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_sub,var_other) on <var_sub:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_sub,var_other) on <var_sub:nullable MType(MType)> */
 var7 = var_sub == var_other;
 var5 = var7;
 goto RET_LABEL6;
@@ -1274,7 +1581,7 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline modelbuilder_base#AType#mtype (var_ntype) on <var_ntype:AType> */
+{ /* Inline modelbuilder_base$AType$mtype (var_ntype) on <var_ntype:AType> */
 var10 = var_ntype->attrs[COLOR_nitc__modelbuilder_base__AType___mtype].val; /* _mtype on <var_ntype:AType> */
 var8 = var10;
 RET_LABEL9:(void)0;
@@ -1287,10 +1594,10 @@ var11 = 1; /* is null */
 var11 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_sup,((val*)NULL)) on <var_sup:nullable MType> */
+{ /* Inline kernel$Object$== (var_sup,((val*)NULL)) on <var_sup:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_sup,var_other) on <var_sup:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_sup,var_other) on <var_sup:nullable MType(MType)> */
 var16 = var_sup == var_other;
 var14 = var16;
 goto RET_LABEL15;
@@ -1309,10 +1616,10 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline kernel#Object#== (var_sup,var_sub) on <var_sup:nullable MType(MType)> */
+{ /* Inline kernel$Object$== (var_sup,var_sub) on <var_sup:nullable MType(MType)> */
 var_other = var_sub;
 {
-{ /* Inline kernel#Object#is_same_instance (var_sup,var_other) on <var_sup:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_sup,var_other) on <var_sup:nullable MType(MType)> */
 var21 = var_sup == var_other;
 var19 = var21;
 goto RET_LABEL20;
@@ -1326,9 +1633,12 @@ RET_LABEL18:(void)0;
 }
 if (var17){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var24 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var24 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -1341,117 +1651,148 @@ if (likely(varonce!=NULL)) {
 var25 = varonce;
 } else {
 var26 = "useless-type-test";
-var27 = core__flat___NativeString___to_s_full(var26, 17l, 17l);
+var28 = (val*)(17l<<2|1);
+var29 = (val*)(17l<<2|1);
+var30 = (val*)((long)(0)<<2|3);
+var31 = (val*)((long)(0)<<2|3);
+var27 = core__flat___CString___to_s_unsafe(var26, var28, var29, var30, var31);
 var25 = var27;
 varonce = var25;
 }
-if (unlikely(varonce28==NULL)) {
-var29 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce30!=NULL)) {
-var31 = varonce30;
-} else {
-var32 = "Warning: expression is already a `";
-var33 = core__flat___NativeString___to_s_full(var32, 34l, 34l);
-var31 = var33;
-varonce30 = var31;
-}
-((struct instance_core__NativeArray*)var29)->values[0]=var31;
+if (unlikely(varonce32==NULL)) {
+var33 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
 if (likely(varonce34!=NULL)) {
 var35 = varonce34;
 } else {
-var36 = "`.";
-var37 = core__flat___NativeString___to_s_full(var36, 2l, 2l);
+var36 = "Warning: expression is already a `";
+var38 = (val*)(34l<<2|1);
+var39 = (val*)(34l<<2|1);
+var40 = (val*)((long)(0)<<2|3);
+var41 = (val*)((long)(0)<<2|3);
+var37 = core__flat___CString___to_s_unsafe(var36, var38, var39, var40, var41);
 var35 = var37;
 varonce34 = var35;
 }
-((struct instance_core__NativeArray*)var29)->values[2]=var35;
+((struct instance_core__NativeArray*)var33)->values[0]=var35;
+if (likely(varonce42!=NULL)) {
+var43 = varonce42;
 } else {
-var29 = varonce28;
-varonce28 = NULL;
+var44 = "`.";
+var46 = (val*)(2l<<2|1);
+var47 = (val*)(2l<<2|1);
+var48 = (val*)((long)(0)<<2|3);
+var49 = (val*)((long)(0)<<2|3);
+var45 = core__flat___CString___to_s_unsafe(var44, var46, var47, var48, var49);
+var43 = var45;
+varonce42 = var43;
+}
+((struct instance_core__NativeArray*)var33)->values[2]=var43;
+} else {
+var33 = varonce32;
+varonce32 = NULL;
 }
 {
-var38 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:nullable MType(MType)>*/
+var50 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:nullable MType(MType)>*/
 }
-((struct instance_core__NativeArray*)var29)->values[1]=var38;
+((struct instance_core__NativeArray*)var33)->values[1]=var50;
 {
-var39 = ((val*(*)(val* self))(var29->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var29); /* native_to_s on <var29:NativeArray[String]>*/
+var51 = ((val*(*)(val* self))(var33->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var33); /* native_to_s on <var33:NativeArray[String]>*/
 }
-varonce28 = var29;
+varonce32 = var33;
 {
-nitc___nitc__ModelBuilder___warning(var22, var_node, var25, var39); /* Direct call modelbuilder_base#ModelBuilder#warning on <var22:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var22, var_node, var25, var51); /* Direct call modelbuilder_base$ModelBuilder$warning on <var22:ModelBuilder>*/
 }
 } else {
 {
-var40 = nitc__typing___nitc__typing__TypeVisitor___is_subtype(self, var_sub, var_sup);
+var52 = nitc__typing___nitc__typing__TypeVisitor___is_subtype(self, var_sub, var_sup);
 }
-if (var40){
+if (var52){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var43 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var43 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var55 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var55 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var41 = var43;
-RET_LABEL42:(void)0;
-}
-}
-if (likely(varonce44!=NULL)) {
-var45 = varonce44;
-} else {
-var46 = "useless-type-test";
-var47 = core__flat___NativeString___to_s_full(var46, 17l, 17l);
-var45 = var47;
-varonce44 = var45;
+var53 = var55;
+RET_LABEL54:(void)0;
 }
-if (unlikely(varonce48==NULL)) {
-var49 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce50!=NULL)) {
-var51 = varonce50;
-} else {
-var52 = "Warning: expression is already a `";
-var53 = core__flat___NativeString___to_s_full(var52, 34l, 34l);
-var51 = var53;
-varonce50 = var51;
 }
-((struct instance_core__NativeArray*)var49)->values[0]=var51;
-if (likely(varonce54!=NULL)) {
-var55 = varonce54;
+if (likely(varonce56!=NULL)) {
+var57 = varonce56;
 } else {
-var56 = "` since it is a `";
-var57 = core__flat___NativeString___to_s_full(var56, 17l, 17l);
-var55 = var57;
-varonce54 = var55;
+var58 = "useless-type-test";
+var60 = (val*)(17l<<2|1);
+var61 = (val*)(17l<<2|1);
+var62 = (val*)((long)(0)<<2|3);
+var63 = (val*)((long)(0)<<2|3);
+var59 = core__flat___CString___to_s_unsafe(var58, var60, var61, var62, var63);
+var57 = var59;
+varonce56 = var57;
+}
+if (unlikely(varonce64==NULL)) {
+var65 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce66!=NULL)) {
+var67 = varonce66;
+} else {
+var68 = "Warning: expression is already a `";
+var70 = (val*)(34l<<2|1);
+var71 = (val*)(34l<<2|1);
+var72 = (val*)((long)(0)<<2|3);
+var73 = (val*)((long)(0)<<2|3);
+var69 = core__flat___CString___to_s_unsafe(var68, var70, var71, var72, var73);
+var67 = var69;
+varonce66 = var67;
+}
+((struct instance_core__NativeArray*)var65)->values[0]=var67;
+if (likely(varonce74!=NULL)) {
+var75 = varonce74;
+} else {
+var76 = "` since it is a `";
+var78 = (val*)(17l<<2|1);
+var79 = (val*)(17l<<2|1);
+var80 = (val*)((long)(0)<<2|3);
+var81 = (val*)((long)(0)<<2|3);
+var77 = core__flat___CString___to_s_unsafe(var76, var78, var79, var80, var81);
+var75 = var77;
+varonce74 = var75;
 }
-((struct instance_core__NativeArray*)var49)->values[2]=var55;
-if (likely(varonce58!=NULL)) {
-var59 = varonce58;
+((struct instance_core__NativeArray*)var65)->values[2]=var75;
+if (likely(varonce82!=NULL)) {
+var83 = varonce82;
 } else {
-var60 = "`.";
-var61 = core__flat___NativeString___to_s_full(var60, 2l, 2l);
-var59 = var61;
-varonce58 = var59;
+var84 = "`.";
+var86 = (val*)(2l<<2|1);
+var87 = (val*)(2l<<2|1);
+var88 = (val*)((long)(0)<<2|3);
+var89 = (val*)((long)(0)<<2|3);
+var85 = core__flat___CString___to_s_unsafe(var84, var86, var87, var88, var89);
+var83 = var85;
+varonce82 = var83;
 }
-((struct instance_core__NativeArray*)var49)->values[4]=var59;
+((struct instance_core__NativeArray*)var65)->values[4]=var83;
 } else {
-var49 = varonce48;
-varonce48 = NULL;
+var65 = varonce64;
+varonce64 = NULL;
 }
 {
-var62 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:nullable MType(MType)>*/
+var90 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:nullable MType(MType)>*/
 }
-((struct instance_core__NativeArray*)var49)->values[1]=var62;
+((struct instance_core__NativeArray*)var65)->values[1]=var90;
 {
-var63 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:nullable MType(MType)>*/
+var91 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:nullable MType(MType)>*/
 }
-((struct instance_core__NativeArray*)var49)->values[3]=var63;
+((struct instance_core__NativeArray*)var65)->values[3]=var91;
 {
-var64 = ((val*(*)(val* self))(var49->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var49); /* native_to_s on <var49:NativeArray[String]>*/
+var92 = ((val*(*)(val* self))(var65->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var65); /* native_to_s on <var65:NativeArray[String]>*/
 }
-varonce48 = var49;
+varonce64 = var65;
 {
-nitc___nitc__ModelBuilder___warning(var41, var_node, var45, var64); /* Direct call modelbuilder_base#ModelBuilder#warning on <var41:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var53, var_node, var57, var92); /* Direct call modelbuilder_base$ModelBuilder$warning on <var53:ModelBuilder>*/
 }
 } else {
 }
@@ -1461,7 +1802,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#can_be_null for (self: TypeVisitor, MType): Bool */
+/* method typing$TypeVisitor$can_be_null for (self: TypeVisitor, MType): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___can_be_null(val* self, val* p0) {
 short int var /* : Bool */;
 val* var_mtype /* var mtype: MType */;
@@ -1561,7 +1902,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#check_can_be_null for (self: TypeVisitor, ANode, MType): Bool */
+/* method typing$TypeVisitor$check_can_be_null for (self: TypeVisitor, ANode, MType): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___check_can_be_null(val* self, val* p0, val* p1) {
 short int var /* : Bool */;
 val* var_anode /* var anode: ANode */;
@@ -1573,59 +1914,95 @@ val* var2 /* : ModelBuilder */;
 val* var4 /* : ModelBuilder */;
 static val* varonce;
 val* var5 /* : String */;
-char* var6 /* : NativeString */;
+char* var6 /* : CString */;
 val* var7 /* : String */;
-static val* varonce8;
-val* var9 /* : String */;
-char* var10 /* : NativeString */;
-val* var11 /* : String */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
-val* var16 /* : MType */;
+val* var8 /* : nullable Int */;
+val* var9 /* : nullable Int */;
+val* var10 /* : nullable Bool */;
+val* var11 /* : nullable Bool */;
+static val* varonce12;
+val* var13 /* : String */;
+char* var14 /* : CString */;
+val* var15 /* : String */;
+val* var16 /* : nullable Int */;
+val* var17 /* : nullable Int */;
+val* var18 /* : nullable Bool */;
+val* var19 /* : nullable Bool */;
+short int var20 /* : Bool */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+val* var24 /* : MType */;
 val* var_res /* var res: MType */;
-val* var17 /* : ModelBuilder */;
-val* var19 /* : ModelBuilder */;
-static val* varonce20;
-val* var21 /* : String */;
-char* var22 /* : NativeString */;
-val* var23 /* : String */;
-val* var25 /* : NativeArray[String] */;
-static val* varonce24;
-static val* varonce26;
-val* var27 /* : String */;
-char* var28 /* : NativeString */;
+val* var25 /* : ModelBuilder */;
+val* var27 /* : ModelBuilder */;
+static val* varonce28;
 val* var29 /* : String */;
-static val* varonce30;
+char* var30 /* : CString */;
 val* var31 /* : String */;
-char* var32 /* : NativeString */;
-val* var33 /* : String */;
-static val* varonce34;
-val* var35 /* : String */;
-char* var36 /* : NativeString */;
-val* var37 /* : String */;
-val* var38 /* : String */;
+val* var32 /* : nullable Int */;
+val* var33 /* : nullable Int */;
+val* var34 /* : nullable Bool */;
+val* var35 /* : nullable Bool */;
+val* var37 /* : NativeArray[String] */;
+static val* varonce36;
+static val* varonce38;
 val* var39 /* : String */;
-val* var40 /* : String */;
-val* var41 /* : ModelBuilder */;
-val* var43 /* : ModelBuilder */;
-static val* varonce44;
-val* var45 /* : String */;
-char* var46 /* : NativeString */;
+char* var40 /* : CString */;
+val* var41 /* : String */;
+val* var42 /* : nullable Int */;
+val* var43 /* : nullable Int */;
+val* var44 /* : nullable Bool */;
+val* var45 /* : nullable Bool */;
+static val* varonce46;
 val* var47 /* : String */;
-val* var49 /* : NativeArray[String] */;
-static val* varonce48;
-static val* varonce50;
-val* var51 /* : String */;
-char* var52 /* : NativeString */;
-val* var53 /* : String */;
+char* var48 /* : CString */;
+val* var49 /* : String */;
+val* var50 /* : nullable Int */;
+val* var51 /* : nullable Int */;
+val* var52 /* : nullable Bool */;
+val* var53 /* : nullable Bool */;
 static val* varonce54;
 val* var55 /* : String */;
-char* var56 /* : NativeString */;
+char* var56 /* : CString */;
 val* var57 /* : String */;
-val* var58 /* : String */;
-val* var59 /* : String */;
+val* var58 /* : nullable Int */;
+val* var59 /* : nullable Int */;
+val* var60 /* : nullable Bool */;
+val* var61 /* : nullable Bool */;
+val* var62 /* : String */;
+val* var63 /* : String */;
+val* var64 /* : String */;
+val* var65 /* : ModelBuilder */;
+val* var67 /* : ModelBuilder */;
+static val* varonce68;
+val* var69 /* : String */;
+char* var70 /* : CString */;
+val* var71 /* : String */;
+val* var72 /* : nullable Int */;
+val* var73 /* : nullable Int */;
+val* var74 /* : nullable Bool */;
+val* var75 /* : nullable Bool */;
+val* var77 /* : NativeArray[String] */;
+static val* varonce76;
+static val* varonce78;
+val* var79 /* : String */;
+char* var80 /* : CString */;
+val* var81 /* : String */;
+val* var82 /* : nullable Int */;
+val* var83 /* : nullable Int */;
+val* var84 /* : nullable Bool */;
+val* var85 /* : nullable Bool */;
+static val* varonce86;
+val* var87 /* : String */;
+char* var88 /* : CString */;
+val* var89 /* : String */;
+val* var90 /* : nullable Int */;
+val* var91 /* : nullable Int */;
+val* var92 /* : nullable Bool */;
+val* var93 /* : nullable Bool */;
+val* var94 /* : String */;
+val* var95 /* : String */;
 var_anode = p0;
 var_mtype = p1;
 /* <var_mtype:MType> isa MNullType */
@@ -1638,9 +2015,12 @@ var1 = var_mtype->type->type_table[cltype] == idtype;
 }
 if (var1){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var4 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var4 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -1653,169 +2033,211 @@ if (likely(varonce!=NULL)) {
 var5 = varonce;
 } else {
 var6 = "useless-null-test";
-var7 = core__flat___NativeString___to_s_full(var6, 17l, 17l);
+var8 = (val*)(17l<<2|1);
+var9 = (val*)(17l<<2|1);
+var10 = (val*)((long)(0)<<2|3);
+var11 = (val*)((long)(0)<<2|3);
+var7 = core__flat___CString___to_s_unsafe(var6, var8, var9, var10, var11);
 var5 = var7;
 varonce = var5;
 }
-if (likely(varonce8!=NULL)) {
-var9 = varonce8;
+if (likely(varonce12!=NULL)) {
+var13 = varonce12;
 } else {
-var10 = "Warning: expression is always `null`.";
-var11 = core__flat___NativeString___to_s_full(var10, 37l, 37l);
-var9 = var11;
-varonce8 = var9;
+var14 = "Warning: expression is always `null`.";
+var16 = (val*)(37l<<2|1);
+var17 = (val*)(37l<<2|1);
+var18 = (val*)((long)(0)<<2|3);
+var19 = (val*)((long)(0)<<2|3);
+var15 = core__flat___CString___to_s_unsafe(var14, var16, var17, var18, var19);
+var13 = var15;
+varonce12 = var13;
 }
 {
-nitc___nitc__ModelBuilder___warning(var2, var_anode, var5, var9); /* Direct call modelbuilder_base#ModelBuilder#warning on <var2:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var2, var_anode, var5, var13); /* Direct call modelbuilder_base$ModelBuilder$warning on <var2:ModelBuilder>*/
 }
 var = 1;
 goto RET_LABEL;
 } else {
 }
 {
-var12 = nitc__typing___nitc__typing__TypeVisitor___can_be_null(self, var_mtype);
+var20 = nitc__typing___nitc__typing__TypeVisitor___can_be_null(self, var_mtype);
 }
-if (var12){
+if (var20){
 var = 1;
 goto RET_LABEL;
 } else {
 }
 /* <var_mtype:MType> isa MFormalType */
-cltype14 = type_nitc__MFormalType.color;
-idtype15 = type_nitc__MFormalType.id;
-if(cltype14 >= var_mtype->type->table_size) {
-var13 = 0;
+cltype22 = type_nitc__MFormalType.color;
+idtype23 = type_nitc__MFormalType.id;
+if(cltype22 >= var_mtype->type->table_size) {
+var21 = 0;
 } else {
-var13 = var_mtype->type->type_table[cltype14] == idtype15;
+var21 = var_mtype->type->type_table[cltype22] == idtype23;
 }
-if (var13){
+if (var21){
 {
-var16 = nitc__typing___nitc__typing__TypeVisitor___anchor_to(self, var_mtype);
+var24 = nitc__typing___nitc__typing__TypeVisitor___anchor_to(self, var_mtype);
 }
-var_res = var16;
+var_res = var24;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var19 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var19 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var27 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var17 = var19;
-RET_LABEL18:(void)0;
+var25 = var27;
+RET_LABEL26:(void)0;
 }
 }
-if (likely(varonce20!=NULL)) {
-var21 = varonce20;
+if (likely(varonce28!=NULL)) {
+var29 = varonce28;
 } else {
-var22 = "useless-null-test";
-var23 = core__flat___NativeString___to_s_full(var22, 17l, 17l);
-var21 = var23;
-varonce20 = var21;
+var30 = "useless-null-test";
+var32 = (val*)(17l<<2|1);
+var33 = (val*)(17l<<2|1);
+var34 = (val*)((long)(0)<<2|3);
+var35 = (val*)((long)(0)<<2|3);
+var31 = core__flat___CString___to_s_unsafe(var30, var32, var33, var34, var35);
+var29 = var31;
+varonce28 = var29;
 }
-if (unlikely(varonce24==NULL)) {
-var25 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce26!=NULL)) {
-var27 = varonce26;
+if (unlikely(varonce36==NULL)) {
+var37 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce38!=NULL)) {
+var39 = varonce38;
 } else {
-var28 = "Warning: expression is not null, since it is a `";
-var29 = core__flat___NativeString___to_s_full(var28, 48l, 48l);
-var27 = var29;
-varonce26 = var27;
+var40 = "Warning: expression is not null, since it is a `";
+var42 = (val*)(48l<<2|1);
+var43 = (val*)(48l<<2|1);
+var44 = (val*)((long)(0)<<2|3);
+var45 = (val*)((long)(0)<<2|3);
+var41 = core__flat___CString___to_s_unsafe(var40, var42, var43, var44, var45);
+var39 = var41;
+varonce38 = var39;
 }
-((struct instance_core__NativeArray*)var25)->values[0]=var27;
-if (likely(varonce30!=NULL)) {
-var31 = varonce30;
+((struct instance_core__NativeArray*)var37)->values[0]=var39;
+if (likely(varonce46!=NULL)) {
+var47 = varonce46;
 } else {
-var32 = ": ";
-var33 = core__flat___NativeString___to_s_full(var32, 2l, 2l);
-var31 = var33;
-varonce30 = var31;
+var48 = ": ";
+var50 = (val*)(2l<<2|1);
+var51 = (val*)(2l<<2|1);
+var52 = (val*)((long)(0)<<2|3);
+var53 = (val*)((long)(0)<<2|3);
+var49 = core__flat___CString___to_s_unsafe(var48, var50, var51, var52, var53);
+var47 = var49;
+varonce46 = var47;
 }
-((struct instance_core__NativeArray*)var25)->values[2]=var31;
-if (likely(varonce34!=NULL)) {
-var35 = varonce34;
+((struct instance_core__NativeArray*)var37)->values[2]=var47;
+if (likely(varonce54!=NULL)) {
+var55 = varonce54;
 } else {
-var36 = "`.";
-var37 = core__flat___NativeString___to_s_full(var36, 2l, 2l);
-var35 = var37;
-varonce34 = var35;
+var56 = "`.";
+var58 = (val*)(2l<<2|1);
+var59 = (val*)(2l<<2|1);
+var60 = (val*)((long)(0)<<2|3);
+var61 = (val*)((long)(0)<<2|3);
+var57 = core__flat___CString___to_s_unsafe(var56, var58, var59, var60, var61);
+var55 = var57;
+varonce54 = var55;
 }
-((struct instance_core__NativeArray*)var25)->values[4]=var35;
+((struct instance_core__NativeArray*)var37)->values[4]=var55;
 } else {
-var25 = varonce24;
-varonce24 = NULL;
+var37 = varonce36;
+varonce36 = NULL;
 }
 {
-var38 = ((val*(*)(val* self))(var_mtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mtype); /* to_s on <var_mtype:MType(MFormalType)>*/
+var62 = ((val*(*)(val* self))(var_mtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mtype); /* to_s on <var_mtype:MType(MFormalType)>*/
 }
-((struct instance_core__NativeArray*)var25)->values[1]=var38;
+((struct instance_core__NativeArray*)var37)->values[1]=var62;
 {
-var39 = ((val*(*)(val* self))(var_res->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_res); /* to_s on <var_res:MType>*/
+var63 = ((val*(*)(val* self))(var_res->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_res); /* to_s on <var_res:MType>*/
 }
-((struct instance_core__NativeArray*)var25)->values[3]=var39;
+((struct instance_core__NativeArray*)var37)->values[3]=var63;
 {
-var40 = ((val*(*)(val* self))(var25->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var25); /* native_to_s on <var25:NativeArray[String]>*/
+var64 = ((val*(*)(val* self))(var37->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var37); /* native_to_s on <var37:NativeArray[String]>*/
 }
-varonce24 = var25;
+varonce36 = var37;
 {
-nitc___nitc__ModelBuilder___warning(var17, var_anode, var21, var40); /* Direct call modelbuilder_base#ModelBuilder#warning on <var17:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var25, var_anode, var29, var64); /* Direct call modelbuilder_base$ModelBuilder$warning on <var25:ModelBuilder>*/
 }
 } else {
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var43 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var43 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var67 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var67 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var41 = var43;
-RET_LABEL42:(void)0;
-}
-}
-if (likely(varonce44!=NULL)) {
-var45 = varonce44;
-} else {
-var46 = "useless-null-test";
-var47 = core__flat___NativeString___to_s_full(var46, 17l, 17l);
-var45 = var47;
-varonce44 = var45;
+var65 = var67;
+RET_LABEL66:(void)0;
 }
-if (unlikely(varonce48==NULL)) {
-var49 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce50!=NULL)) {
-var51 = varonce50;
-} else {
-var52 = "Warning: expression is not null, since it is a `";
-var53 = core__flat___NativeString___to_s_full(var52, 48l, 48l);
-var51 = var53;
-varonce50 = var51;
 }
-((struct instance_core__NativeArray*)var49)->values[0]=var51;
-if (likely(varonce54!=NULL)) {
-var55 = varonce54;
+if (likely(varonce68!=NULL)) {
+var69 = varonce68;
+} else {
+var70 = "useless-null-test";
+var72 = (val*)(17l<<2|1);
+var73 = (val*)(17l<<2|1);
+var74 = (val*)((long)(0)<<2|3);
+var75 = (val*)((long)(0)<<2|3);
+var71 = core__flat___CString___to_s_unsafe(var70, var72, var73, var74, var75);
+var69 = var71;
+varonce68 = var69;
+}
+if (unlikely(varonce76==NULL)) {
+var77 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce78!=NULL)) {
+var79 = varonce78;
+} else {
+var80 = "Warning: expression is not null, since it is a `";
+var82 = (val*)(48l<<2|1);
+var83 = (val*)(48l<<2|1);
+var84 = (val*)((long)(0)<<2|3);
+var85 = (val*)((long)(0)<<2|3);
+var81 = core__flat___CString___to_s_unsafe(var80, var82, var83, var84, var85);
+var79 = var81;
+varonce78 = var79;
+}
+((struct instance_core__NativeArray*)var77)->values[0]=var79;
+if (likely(varonce86!=NULL)) {
+var87 = varonce86;
 } else {
-var56 = "`.";
-var57 = core__flat___NativeString___to_s_full(var56, 2l, 2l);
-var55 = var57;
-varonce54 = var55;
+var88 = "`.";
+var90 = (val*)(2l<<2|1);
+var91 = (val*)(2l<<2|1);
+var92 = (val*)((long)(0)<<2|3);
+var93 = (val*)((long)(0)<<2|3);
+var89 = core__flat___CString___to_s_unsafe(var88, var90, var91, var92, var93);
+var87 = var89;
+varonce86 = var87;
 }
-((struct instance_core__NativeArray*)var49)->values[2]=var55;
+((struct instance_core__NativeArray*)var77)->values[2]=var87;
 } else {
-var49 = varonce48;
-varonce48 = NULL;
+var77 = varonce76;
+varonce76 = NULL;
 }
 {
-var58 = ((val*(*)(val* self))(var_mtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mtype); /* to_s on <var_mtype:MType>*/
+var94 = ((val*(*)(val* self))(var_mtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mtype); /* to_s on <var_mtype:MType>*/
 }
-((struct instance_core__NativeArray*)var49)->values[1]=var58;
+((struct instance_core__NativeArray*)var77)->values[1]=var94;
 {
-var59 = ((val*(*)(val* self))(var49->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var49); /* native_to_s on <var49:NativeArray[String]>*/
+var95 = ((val*(*)(val* self))(var77->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var77); /* native_to_s on <var77:NativeArray[String]>*/
 }
-varonce48 = var49;
+varonce76 = var77;
 {
-nitc___nitc__ModelBuilder___warning(var41, var_anode, var45, var59); /* Direct call modelbuilder_base#ModelBuilder#warning on <var41:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var65, var_anode, var69, var95); /* Direct call modelbuilder_base$ModelBuilder$warning on <var65:ModelBuilder>*/
 }
 }
 var = 0;
@@ -1823,7 +2245,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#null_test for (self: TypeVisitor, ABinopExpr) */
+/* method typing$TypeVisitor$null_test for (self: TypeVisitor, ABinopExpr) */
 void nitc__typing___nitc__typing__TypeVisitor___null_test(val* self, val* p0) {
 val* var_anode /* var anode: ABinopExpr */;
 val* var /* : AExpr */;
@@ -1887,11 +2309,14 @@ val* var66 /* : FlowContext */;
 val* var68 /* : FlowContext */;
 var_anode = p0;
 {
-{ /* Inline parser_nodes#ASendExpr#n_expr (var_anode) on <var_anode:ABinopExpr> */
+{ /* Inline parser_nodes$ASendExpr$n_expr (var_anode) on <var_anode:ABinopExpr> */
 var2 = var_anode->attrs[COLOR_nitc__parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <var_anode:ABinopExpr> */
 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, 2022);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2103);
 fatal_exit(1);
 }
 var = var2;
@@ -1903,11 +2328,14 @@ var3 = ((val*(*)(val* self))(var->class->vft[COLOR_nitc__typing__AExpr__mtype]))
 }
 var_mtype = var3;
 {
-{ /* Inline parser_nodes#ABinopExpr#n_expr2 (var_anode) on <var_anode:ABinopExpr> */
+{ /* Inline parser_nodes$ABinopExpr$n_expr2 (var_anode) on <var_anode:ABinopExpr> */
 var6 = var_anode->attrs[COLOR_nitc__parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <var_anode:ABinopExpr> */
 if (unlikely(var6 == 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, 2033);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2114);
 fatal_exit(1);
 }
 var4 = var6;
@@ -1924,10 +2352,10 @@ var9 = 1; /* is null */
 var9 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
+{ /* Inline kernel$Object$== (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mtype,var_other) on <var_mtype:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_mtype,var_other) on <var_mtype:nullable MType(MType)> */
 var14 = var_mtype == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -1950,10 +2378,10 @@ var15 = 1; /* is null */
 var15 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mtype2,((val*)NULL)) on <var_mtype2:nullable MType> */
+{ /* Inline kernel$Object$== (var_mtype2,((val*)NULL)) on <var_mtype2:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mtype2,var_other) on <var_mtype2:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_mtype2,var_other) on <var_mtype2:nullable MType(MType)> */
 var20 = var_mtype2 == var_other;
 var18 = var20;
 goto RET_LABEL19;
@@ -2010,11 +2438,14 @@ var28 = ((val*(*)(val* self))(var_mtype->class->vft[COLOR_nitc__model__MType__as
 var_mtype = var28;
 }
 {
-{ /* Inline parser_nodes#ASendExpr#n_expr (var_anode) on <var_anode:ABinopExpr> */
+{ /* Inline parser_nodes$ASendExpr$n_expr (var_anode) on <var_anode:ABinopExpr> */
 var31 = var_anode->attrs[COLOR_nitc__parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <var_anode:ABinopExpr> */
 if (unlikely(var31 == 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);
 }
 var29 = var31;
@@ -2031,10 +2462,10 @@ var33 = 1; /* is null */
 var33 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_variable,((val*)NULL)) on <var_variable:nullable Variable> */
+{ /* Inline kernel$Object$== (var_variable,((val*)NULL)) on <var_variable:nullable Variable> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_variable,var_other) on <var_variable:nullable Variable(Variable)> */
+{ /* Inline kernel$Object$is_same_instance (var_variable,var_other) on <var_variable:nullable Variable(Variable)> */
 var38 = var_variable == var_other;
 var36 = var38;
 goto RET_LABEL37;
@@ -2061,25 +2492,34 @@ var39 = var_anode->type->type_table[cltype40] == idtype41;
 }
 if (var39){
 {
-{ /* Inline flow#AExpr#after_flow_context (var_anode) on <var_anode:ABinopExpr(AEqExpr)> */
+{ /* Inline flow$AExpr$after_flow_context (var_anode) on <var_anode:ABinopExpr(AEqExpr)> */
 var44 = var_anode->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_anode:ABinopExpr(AEqExpr)> */
 var42 = var44;
 RET_LABEL43:(void)0;
 }
 }
 if (var42 == 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__typing, 265);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 269);
 fatal_exit(1);
 } else {
-{ /* Inline flow#FlowContext#when_true (var42) on <var42:nullable FlowContext> */
+{ /* Inline flow$FlowContext$when_true (var42) on <var42:nullable FlowContext> */
 if (unlikely(var42 == 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__flow, 225);
 fatal_exit(1);
 }
 var47 = var42->attrs[COLOR_nitc__flow__FlowContext___when_true].val; /* _when_true on <var42:nullable FlowContext> */
 if (unlikely(var47 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _when_true");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 225);
 fatal_exit(1);
@@ -2089,28 +2529,37 @@ RET_LABEL46:(void)0;
 }
 }
 {
-nitc__typing___FlowContext___set_var(var45, self, var_variable, var_mtype2); /* Direct call typing#FlowContext#set_var on <var45:FlowContext>*/
+nitc__typing___FlowContext___set_var(var45, self, var_variable, var_mtype2); /* Direct call typing$FlowContext$set_var on <var45:FlowContext>*/
 }
 {
-{ /* Inline flow#AExpr#after_flow_context (var_anode) on <var_anode:ABinopExpr(AEqExpr)> */
+{ /* Inline flow$AExpr$after_flow_context (var_anode) on <var_anode:ABinopExpr(AEqExpr)> */
 var50 = var_anode->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_anode:ABinopExpr(AEqExpr)> */
 var48 = var50;
 RET_LABEL49:(void)0;
 }
 }
 if (var48 == 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__typing, 266);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 270);
 fatal_exit(1);
 } else {
-{ /* Inline flow#FlowContext#when_false (var48) on <var48:nullable FlowContext> */
+{ /* Inline flow$FlowContext$when_false (var48) on <var48:nullable FlowContext> */
 if (unlikely(var48 == 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__flow, 228);
 fatal_exit(1);
 }
 var53 = var48->attrs[COLOR_nitc__flow__FlowContext___when_false].val; /* _when_false on <var48:nullable FlowContext> */
 if (unlikely(var53 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _when_false");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 228);
 fatal_exit(1);
@@ -2120,7 +2569,7 @@ RET_LABEL52:(void)0;
 }
 }
 {
-nitc__typing___FlowContext___set_var(var51, self, var_variable, var_mtype); /* Direct call typing#FlowContext#set_var on <var51:FlowContext>*/
+nitc__typing___FlowContext___set_var(var51, self, var_variable, var_mtype); /* Direct call typing$FlowContext$set_var on <var51:FlowContext>*/
 }
 } else {
 /* <var_anode:ABinopExpr> isa ANeExpr */
@@ -2133,25 +2582,34 @@ var54 = var_anode->type->type_table[cltype55] == idtype56;
 }
 if (var54){
 {
-{ /* Inline flow#AExpr#after_flow_context (var_anode) on <var_anode:ABinopExpr(ANeExpr)> */
+{ /* Inline flow$AExpr$after_flow_context (var_anode) on <var_anode:ABinopExpr(ANeExpr)> */
 var59 = var_anode->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_anode:ABinopExpr(ANeExpr)> */
 var57 = var59;
 RET_LABEL58:(void)0;
 }
 }
 if (var57 == 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__typing, 268);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 272);
 fatal_exit(1);
 } else {
-{ /* Inline flow#FlowContext#when_false (var57) on <var57:nullable FlowContext> */
+{ /* Inline flow$FlowContext$when_false (var57) on <var57:nullable FlowContext> */
 if (unlikely(var57 == 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__flow, 228);
 fatal_exit(1);
 }
 var62 = var57->attrs[COLOR_nitc__flow__FlowContext___when_false].val; /* _when_false on <var57:nullable FlowContext> */
 if (unlikely(var62 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _when_false");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 228);
 fatal_exit(1);
@@ -2161,28 +2619,37 @@ RET_LABEL61:(void)0;
 }
 }
 {
-nitc__typing___FlowContext___set_var(var60, self, var_variable, var_mtype2); /* Direct call typing#FlowContext#set_var on <var60:FlowContext>*/
+nitc__typing___FlowContext___set_var(var60, self, var_variable, var_mtype2); /* Direct call typing$FlowContext$set_var on <var60:FlowContext>*/
 }
 {
-{ /* Inline flow#AExpr#after_flow_context (var_anode) on <var_anode:ABinopExpr(ANeExpr)> */
+{ /* Inline flow$AExpr$after_flow_context (var_anode) on <var_anode:ABinopExpr(ANeExpr)> */
 var65 = var_anode->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_anode:ABinopExpr(ANeExpr)> */
 var63 = var65;
 RET_LABEL64:(void)0;
 }
 }
 if (var63 == 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__typing, 269);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 273);
 fatal_exit(1);
 } else {
-{ /* Inline flow#FlowContext#when_true (var63) on <var63:nullable FlowContext> */
+{ /* Inline flow$FlowContext$when_true (var63) on <var63:nullable FlowContext> */
 if (unlikely(var63 == 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__flow, 225);
 fatal_exit(1);
 }
 var68 = var63->attrs[COLOR_nitc__flow__FlowContext___when_true].val; /* _when_true on <var63:nullable FlowContext> */
 if (unlikely(var68 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _when_true");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 225);
 fatal_exit(1);
@@ -2192,17 +2659,20 @@ RET_LABEL67:(void)0;
 }
 }
 {
-nitc__typing___FlowContext___set_var(var66, self, var_variable, var_mtype); /* Direct call typing#FlowContext#set_var on <var66:FlowContext>*/
+nitc__typing___FlowContext___set_var(var66, self, var_variable, var_mtype); /* Direct call typing$FlowContext$set_var on <var66:FlowContext>*/
 }
 } else {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 271);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 275);
 fatal_exit(1);
 }
 }
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#try_get_mproperty_by_name2 for (self: TypeVisitor, ANode, MType, String): nullable MProperty */
+/* method typing$TypeVisitor$try_get_mproperty_by_name2 for (self: TypeVisitor, ANode, MType, String): nullable MProperty */
 val* nitc__typing___nitc__typing__TypeVisitor___try_get_mproperty_by_name2(val* self, val* p0, val* p1, val* p2) {
 val* var /* : nullable MProperty */;
 val* var_anode /* var anode: ANode */;
@@ -2217,9 +2687,12 @@ var_anode = p0;
 var_mtype = p1;
 var_name = p2;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -2229,9 +2702,12 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var6 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var6 == 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__typing, 37);
 fatal_exit(1);
@@ -2248,7 +2724,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#resolve_mtype for (self: TypeVisitor, AType): nullable MType */
+/* method typing$TypeVisitor$resolve_mtype for (self: TypeVisitor, AType): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___resolve_mtype(val* self, val* p0) {
 val* var /* : nullable MType */;
 val* var_node /* var node: AType */;
@@ -2261,9 +2737,12 @@ val* var9 /* : nullable MClassDef */;
 val* var10 /* : nullable MType */;
 var_node = p0;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -2273,9 +2752,12 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var6 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var6 == 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__typing, 37);
 fatal_exit(1);
@@ -2285,7 +2767,7 @@ RET_LABEL5:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#mclassdef (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mclassdef (self) on <self:TypeVisitor> */
 var9 = self->attrs[COLOR_nitc__typing__TypeVisitor___mclassdef].val; /* _mclassdef on <self:TypeVisitor> */
 var7 = var9;
 RET_LABEL8:(void)0;
@@ -2299,7 +2781,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#try_get_mclass for (self: TypeVisitor, ANode, String): nullable MClass */
+/* method typing$TypeVisitor$try_get_mclass for (self: TypeVisitor, ANode, String): nullable MClass */
 val* nitc__typing___nitc__typing__TypeVisitor___try_get_mclass(val* self, val* p0, val* p1) {
 val* var /* : nullable MClass */;
 val* var_node /* var node: ANode */;
@@ -2313,9 +2795,12 @@ val* var_mclass /* var mclass: nullable MClass */;
 var_node = p0;
 var_name = p1;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -2325,9 +2810,12 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var6 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var6 == 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__typing, 37);
 fatal_exit(1);
@@ -2345,7 +2833,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#get_mclass for (self: TypeVisitor, ANode, String): nullable MClass */
+/* method typing$TypeVisitor$get_mclass for (self: TypeVisitor, ANode, String): nullable MClass */
 val* nitc__typing___nitc__typing__TypeVisitor___get_mclass(val* self, val* p0, val* p1) {
 val* var /* : nullable MClass */;
 val* var_node /* var node: ANode */;
@@ -2359,9 +2847,12 @@ val* var_mclass /* var mclass: nullable MClass */;
 var_node = p0;
 var_name = p1;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var3 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -2371,9 +2862,12 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
 var6 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
 if (unlikely(var6 == 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__typing, 37);
 fatal_exit(1);
@@ -2391,81 +2885,92 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#type_bool for (self: TypeVisitor, ANode): nullable MType */
+/* method typing$TypeVisitor$type_bool for (self: TypeVisitor, ANode): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___type_bool(val* self, val* p0) {
 val* var /* : nullable MType */;
 val* var_node /* var node: ANode */;
 static val* varonce;
 val* var1 /* : String */;
-char* var2 /* : NativeString */;
+char* var2 /* : CString */;
 val* var3 /* : String */;
-val* var4 /* : nullable MClass */;
+val* var4 /* : nullable Int */;
+val* var5 /* : nullable Int */;
+val* var6 /* : nullable Bool */;
+val* var7 /* : nullable Bool */;
+val* var8 /* : nullable MClass */;
 val* var_mclass /* var mclass: nullable MClass */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var8 /* : Bool */;
+short int var9 /* : Bool */;
 short int var10 /* : Bool */;
-val* var11 /* : MClassType */;
-val* var13 /* : MClassType */;
+val* var_other /* var other: nullable Object */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+val* var15 /* : MClassType */;
+val* var17 /* : MClassType */;
 var_node = p0;
 if (likely(varonce!=NULL)) {
 var1 = varonce;
 } else {
 var2 = "Bool";
-var3 = core__flat___NativeString___to_s_full(var2, 4l, 4l);
+var4 = (val*)(4l<<2|1);
+var5 = (val*)(4l<<2|1);
+var6 = (val*)((long)(0)<<2|3);
+var7 = (val*)((long)(0)<<2|3);
+var3 = core__flat___CString___to_s_unsafe(var2, var4, var5, var6, var7);
 var1 = var3;
 varonce = var1;
 }
 {
-var4 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(self, var_node, var1);
+var8 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(self, var_node, var1);
 }
-var_mclass = var4;
+var_mclass = var8;
 if (var_mclass == NULL) {
-var5 = 1; /* is null */
+var9 = 1; /* is null */
 } else {
-var5 = 0; /* arg is null but recv is not */
+var9 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mclass,((val*)NULL)) on <var_mclass:nullable MClass> */
+{ /* Inline kernel$Object$== (var_mclass,((val*)NULL)) on <var_mclass:nullable MClass> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mclass,var_other) on <var_mclass:nullable MClass(MClass)> */
-var10 = var_mclass == var_other;
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_mclass,var_other) on <var_mclass:nullable MClass(MClass)> */
+var14 = var_mclass == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-var5 = var6;
+var9 = var10;
 }
-if (var5){
+if (var9){
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MClass#mclass_type (var_mclass) on <var_mclass:nullable MClass(MClass)> */
-var13 = var_mclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_mclass:nullable MClass(MClass)> */
-if (unlikely(var13 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var_mclass) on <var_mclass:nullable MClass(MClass)> */
+var17 = var_mclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_mclass:nullable MClass(MClass)> */
+if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 507);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 520);
 fatal_exit(1);
 }
-var11 = var13;
-RET_LABEL12:(void)0;
+var15 = var17;
+RET_LABEL16:(void)0;
 }
 }
-var = var11;
+var = var15;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#get_method for (self: TypeVisitor, ANode, MType, String, Bool): nullable CallSite */
+/* method typing$TypeVisitor$get_method for (self: TypeVisitor, ANode, MType, String, Bool): nullable CallSite */
 val* nitc__typing___nitc__typing__TypeVisitor___get_method(val* self, val* p0, val* p1, val* p2, short int p3) {
 val* var /* : nullable CallSite */;
 val* var_node /* var node: ANode */;
@@ -2479,398 +2984,550 @@ int cltype;
 int idtype;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : nullable MClass */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : nullable MClass */;
 val* var_objclass /* var objclass: nullable MClass */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var10 /* : Bool */;
+short int var11 /* : Bool */;
 short int var12 /* : Bool */;
-val* var13 /* : MClassType */;
-val* var15 /* : MClassType */;
-val* var16 /* : nullable MProperty */;
+val* var_other /* var other: nullable Object */;
+short int var14 /* : Bool */;
+short int var16 /* : Bool */;
+val* var17 /* : MClassType */;
+val* var19 /* : MClassType */;
+val* var20 /* : nullable MProperty */;
 val* var_mproperty /* var mproperty: nullable MProperty */;
-short int var17 /* : Bool */;
-static val* varonce18;
-val* var19 /* : String */;
-char* var20 /* : NativeString */;
-val* var21 /* : String */;
-short int var22 /* : Bool */;
+short int var21 /* : Bool */;
+static val* varonce22;
+val* var23 /* : String */;
+char* var24 /* : CString */;
+val* var25 /* : String */;
+val* var26 /* : nullable Int */;
+val* var27 /* : nullable Int */;
+val* var28 /* : nullable Bool */;
+val* var29 /* : nullable Bool */;
+short int var30 /* : Bool */;
 short int var_ /* var : Bool */;
-short int var23 /* : Bool */;
-short int var24 /* : Bool */;
-short int var26 /* : Bool */;
-short int var28 /* : Bool */;
-static val* varonce29;
-val* var30 /* : String */;
-char* var31 /* : NativeString */;
-val* var32 /* : String */;
-val* var33 /* : nullable MProperty */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
 short int var34 /* : Bool */;
-short int var35 /* : Bool */;
-short int var37 /* : Bool */;
-short int var39 /* : Bool */;
-val* var40 /* : ModelBuilder */;
-val* var42 /* : ModelBuilder */;
-val* var44 /* : NativeArray[String] */;
-static val* varonce43;
-static val* varonce45;
-val* var46 /* : String */;
-char* var47 /* : NativeString */;
-val* var48 /* : String */;
-static val* varonce49;
-val* var50 /* : String */;
-char* var51 /* : NativeString */;
-val* var52 /* : String */;
-static val* varonce53;
-val* var54 /* : String */;
-char* var55 /* : NativeString */;
-val* var56 /* : String */;
-val* var57 /* : String */;
+short int var36 /* : Bool */;
+static val* varonce37;
+val* var38 /* : String */;
+char* var39 /* : CString */;
+val* var40 /* : String */;
+val* var41 /* : nullable Int */;
+val* var42 /* : nullable Int */;
+val* var43 /* : nullable Bool */;
+val* var44 /* : nullable Bool */;
+val* var45 /* : nullable MProperty */;
+short int var46 /* : Bool */;
+short int var47 /* : Bool */;
+short int var49 /* : Bool */;
+short int var51 /* : Bool */;
+val* var52 /* : ModelBuilder */;
+val* var54 /* : ModelBuilder */;
+val* var56 /* : NativeArray[String] */;
+static val* varonce55;
+static val* varonce57;
 val* var58 /* : String */;
-short int var59 /* : Bool */;
-val* var60 /* : ModelBuilder */;
-val* var62 /* : ModelBuilder */;
-val* var64 /* : NativeArray[String] */;
-static val* varonce63;
+char* var59 /* : CString */;
+val* var60 /* : String */;
+val* var61 /* : nullable Int */;
+val* var62 /* : nullable Int */;
+val* var63 /* : nullable Bool */;
+val* var64 /* : nullable Bool */;
 static val* varonce65;
 val* var66 /* : String */;
-char* var67 /* : NativeString */;
+char* var67 /* : CString */;
 val* var68 /* : String */;
-static val* varonce69;
-val* var70 /* : String */;
-char* var71 /* : NativeString */;
-val* var72 /* : String */;
+val* var69 /* : nullable Int */;
+val* var70 /* : nullable Int */;
+val* var71 /* : nullable Bool */;
+val* var72 /* : nullable Bool */;
 static val* varonce73;
 val* var74 /* : String */;
-char* var75 /* : NativeString */;
+char* var75 /* : CString */;
 val* var76 /* : String */;
-static val* varonce77;
-val* var78 /* : String */;
-char* var79 /* : NativeString */;
-val* var80 /* : String */;
+val* var77 /* : nullable Int */;
+val* var78 /* : nullable Int */;
+val* var79 /* : nullable Bool */;
+val* var80 /* : nullable Bool */;
 val* var81 /* : String */;
 val* var82 /* : String */;
-val* var83 /* : String */;
+short int var83 /* : Bool */;
 val* var84 /* : ModelBuilder */;
 val* var86 /* : ModelBuilder */;
 val* var88 /* : NativeArray[String] */;
 static val* varonce87;
 static val* varonce89;
 val* var90 /* : String */;
-char* var91 /* : NativeString */;
+char* var91 /* : CString */;
 val* var92 /* : String */;
-static val* varonce93;
-val* var94 /* : String */;
-char* var95 /* : NativeString */;
-val* var96 /* : String */;
+val* var93 /* : nullable Int */;
+val* var94 /* : nullable Int */;
+val* var95 /* : nullable Bool */;
+val* var96 /* : nullable Bool */;
 static val* varonce97;
 val* var98 /* : String */;
-char* var99 /* : NativeString */;
+char* var99 /* : CString */;
 val* var100 /* : String */;
-val* var101 /* : String */;
-val* var102 /* : String */;
-short int var103 /* : Bool */;
-int cltype104;
-int idtype105;
-short int var106 /* : Bool */;
-short int var107 /* : Bool */;
-int cltype108;
-int idtype109;
-short int var_110 /* var : Bool */;
-short int var111 /* : Bool */;
-short int var112 /* : Bool */;
-val* var114 /* : NativeArray[String] */;
+val* var101 /* : nullable Int */;
+val* var102 /* : nullable Int */;
+val* var103 /* : nullable Bool */;
+val* var104 /* : nullable Bool */;
+static val* varonce105;
+val* var106 /* : String */;
+char* var107 /* : CString */;
+val* var108 /* : String */;
+val* var109 /* : nullable Int */;
+val* var110 /* : nullable Int */;
+val* var111 /* : nullable Bool */;
+val* var112 /* : nullable Bool */;
 static val* varonce113;
-static val* varonce115;
+val* var114 /* : String */;
+char* var115 /* : CString */;
 val* var116 /* : String */;
-char* var117 /* : NativeString */;
-val* var118 /* : String */;
-static val* varonce119;
-val* var120 /* : String */;
-char* var121 /* : NativeString */;
+val* var117 /* : nullable Int */;
+val* var118 /* : nullable Int */;
+val* var119 /* : nullable Bool */;
+val* var120 /* : nullable Bool */;
+val* var121 /* : String */;
 val* var122 /* : String */;
 val* var123 /* : String */;
-short int var124 /* : Bool */;
-short int var125 /* : Bool */;
-int cltype126;
-int idtype127;
-short int var_128 /* var : Bool */;
-short int var129 /* : Bool */;
-short int var130 /* : Bool */;
-val* var131 /* : ModelBuilder */;
-val* var133 /* : ModelBuilder */;
-static val* varonce134;
-val* var135 /* : String */;
-char* var136 /* : NativeString */;
-val* var137 /* : String */;
-val* var139 /* : NativeArray[String] */;
-static val* varonce138;
-static val* varonce140;
-val* var141 /* : String */;
-char* var142 /* : NativeString */;
-val* var143 /* : String */;
-static val* varonce144;
-val* var145 /* : String */;
-char* var146 /* : NativeString */;
-val* var147 /* : String */;
+val* var124 /* : ModelBuilder */;
+val* var126 /* : ModelBuilder */;
+val* var128 /* : NativeArray[String] */;
+static val* varonce127;
+static val* varonce129;
+val* var130 /* : String */;
+char* var131 /* : CString */;
+val* var132 /* : String */;
+val* var133 /* : nullable Int */;
+val* var134 /* : nullable Int */;
+val* var135 /* : nullable Bool */;
+val* var136 /* : nullable Bool */;
+static val* varonce137;
+val* var138 /* : String */;
+char* var139 /* : CString */;
+val* var140 /* : String */;
+val* var141 /* : nullable Int */;
+val* var142 /* : nullable Int */;
+val* var143 /* : nullable Bool */;
+val* var144 /* : nullable Bool */;
+static val* varonce145;
+val* var146 /* : String */;
+char* var147 /* : CString */;
 val* var148 /* : String */;
-val* var149 /* : String */;
-short int var150 /* : Bool */;
-short int var151 /* : Bool */;
-short int var152 /* : Bool */;
-short int var154 /* : Bool */;
-short int var_155 /* var : Bool */;
-short int var_156 /* var : Bool */;
-short int var157 /* : Bool */;
+val* var149 /* : nullable Int */;
+val* var150 /* : nullable Int */;
+val* var151 /* : nullable Bool */;
+val* var152 /* : nullable Bool */;
+val* var153 /* : String */;
+val* var154 /* : String */;
+short int var155 /* : Bool */;
+int cltype156;
+int idtype157;
+short int var158 /* : Bool */;
 short int var159 /* : Bool */;
-short int var160 /* : Bool */;
-val* var162 /* : NativeArray[String] */;
-static val* varonce161;
-static val* varonce163;
-val* var164 /* : String */;
-char* var165 /* : NativeString */;
-val* var166 /* : String */;
+int cltype160;
+int idtype161;
+short int var_162 /* var : Bool */;
+short int var163 /* : Bool */;
+short int var164 /* : Bool */;
+val* var166 /* : NativeArray[String] */;
+static val* varonce165;
 static val* varonce167;
 val* var168 /* : String */;
-char* var169 /* : NativeString */;
+char* var169 /* : CString */;
 val* var170 /* : String */;
-val* var171 /* : String */;
-short int var172 /* : Bool */;
-short int var173 /* : Bool */;
-short int var_174 /* var : Bool */;
-short int var175 /* : Bool */;
-short int var177 /* : Bool */;
-val* var179 /* : NativeArray[String] */;
-static val* varonce178;
-static val* varonce180;
-val* var181 /* : String */;
-char* var182 /* : NativeString */;
+val* var171 /* : nullable Int */;
+val* var172 /* : nullable Int */;
+val* var173 /* : nullable Bool */;
+val* var174 /* : nullable Bool */;
+static val* varonce175;
+val* var176 /* : String */;
+char* var177 /* : CString */;
+val* var178 /* : String */;
+val* var179 /* : nullable Int */;
+val* var180 /* : nullable Int */;
+val* var181 /* : nullable Bool */;
+val* var182 /* : nullable Bool */;
 val* var183 /* : String */;
-static val* varonce184;
-val* var185 /* : String */;
-char* var186 /* : NativeString */;
-val* var187 /* : String */;
-val* var188 /* : String */;
+short int var184 /* : Bool */;
+short int var185 /* : Bool */;
+int cltype186;
+int idtype187;
+short int var_188 /* var : Bool */;
 short int var189 /* : Bool */;
 short int var190 /* : Bool */;
-short int var191 /* : Bool */;
-val* var192 /* : MVisibility */;
-val* var194 /* : MVisibility */;
-val* var195 /* : Sys */;
-val* var196 /* : MVisibility */;
-short int var197 /* : Bool */;
-short int var199 /* : Bool */;
-short int var201 /* : Bool */;
-short int var_202 /* var : Bool */;
-short int var203 /* : Bool */;
-short int var_204 /* var : Bool */;
-val* var205 /* : MModule */;
-val* var207 /* : MModule */;
-val* var208 /* : MClassDef */;
-val* var210 /* : MClassDef */;
-val* var211 /* : MModule */;
-val* var213 /* : MModule */;
-val* var214 /* : MVisibility */;
-val* var215 /* : Sys */;
-val* var216 /* : MVisibility */;
-short int var217 /* : Bool */;
-short int var_218 /* var : Bool */;
-val* var219 /* : ModelBuilder */;
-val* var221 /* : ModelBuilder */;
-val* var222 /* : ToolContext */;
-val* var224 /* : ToolContext */;
-val* var225 /* : OptionBool */;
-val* var227 /* : OptionBool */;
-val* var228 /* : nullable Object */;
-val* var230 /* : nullable Object */;
+val* var191 /* : ModelBuilder */;
+val* var193 /* : ModelBuilder */;
+static val* varonce194;
+val* var195 /* : String */;
+char* var196 /* : CString */;
+val* var197 /* : String */;
+val* var198 /* : nullable Int */;
+val* var199 /* : nullable Int */;
+val* var200 /* : nullable Bool */;
+val* var201 /* : nullable Bool */;
+val* var203 /* : NativeArray[String] */;
+static val* varonce202;
+static val* varonce204;
+val* var205 /* : String */;
+char* var206 /* : CString */;
+val* var207 /* : String */;
+val* var208 /* : nullable Int */;
+val* var209 /* : nullable Int */;
+val* var210 /* : nullable Bool */;
+val* var211 /* : nullable Bool */;
+static val* varonce212;
+val* var213 /* : String */;
+char* var214 /* : CString */;
+val* var215 /* : String */;
+val* var216 /* : nullable Int */;
+val* var217 /* : nullable Int */;
+val* var218 /* : nullable Bool */;
+val* var219 /* : nullable Bool */;
+val* var220 /* : String */;
+val* var221 /* : String */;
+short int var222 /* : Bool */;
+short int var223 /* : Bool */;
+short int var224 /* : Bool */;
+short int var226 /* : Bool */;
+short int var_227 /* var : Bool */;
+short int var_228 /* var : Bool */;
+short int var229 /* : Bool */;
 short int var231 /* : Bool */;
 short int var232 /* : Bool */;
-val* var233 /* : ModelBuilder */;
-val* var235 /* : ModelBuilder */;
-val* var237 /* : NativeArray[String] */;
-static val* varonce236;
-static val* varonce238;
-val* var239 /* : String */;
-char* var240 /* : NativeString */;
-val* var241 /* : String */;
-static val* varonce242;
-val* var243 /* : String */;
-char* var244 /* : NativeString */;
-val* var245 /* : String */;
+val* var234 /* : NativeArray[String] */;
+static val* varonce233;
+static val* varonce235;
+val* var236 /* : String */;
+char* var237 /* : CString */;
+val* var238 /* : String */;
+val* var239 /* : nullable Int */;
+val* var240 /* : nullable Int */;
+val* var241 /* : nullable Bool */;
+val* var242 /* : nullable Bool */;
+static val* varonce243;
+val* var244 /* : String */;
+char* var245 /* : CString */;
 val* var246 /* : String */;
-val* var247 /* : nullable MDeprecationInfo */;
-val* var249 /* : nullable MDeprecationInfo */;
-val* var_info /* var info: nullable MDeprecationInfo */;
-short int var250 /* : Bool */;
-short int var251 /* : Bool */;
+val* var247 /* : nullable Int */;
+val* var248 /* : nullable Int */;
+val* var249 /* : nullable Bool */;
+val* var250 /* : nullable Bool */;
+val* var251 /* : String */;
 short int var252 /* : Bool */;
-val* var_other254 /* var other: nullable Object */;
+short int var253 /* : Bool */;
+short int var_254 /* var : Bool */;
 short int var255 /* : Bool */;
-short int var256 /* : Bool */;
-short int var_257 /* var : Bool */;
-val* var258 /* : nullable MPropDef */;
-val* var260 /* : nullable MPropDef */;
-val* var261 /* : MProperty */;
-val* var263 /* : MProperty */;
-val* var264 /* : nullable MDeprecationInfo */;
-val* var266 /* : nullable MDeprecationInfo */;
-short int var267 /* : Bool */;
-short int var268 /* : Bool */;
-short int var270 /* : Bool */;
-short int var272 /* : Bool */;
-val* var273 /* : nullable MDoc */;
-val* var275 /* : nullable MDoc */;
-val* var_mdoc /* var mdoc: nullable MDoc */;
-short int var276 /* : Bool */;
+short int var257 /* : Bool */;
+val* var259 /* : NativeArray[String] */;
+static val* varonce258;
+static val* varonce260;
+val* var261 /* : String */;
+char* var262 /* : CString */;
+val* var263 /* : String */;
+val* var264 /* : nullable Int */;
+val* var265 /* : nullable Int */;
+val* var266 /* : nullable Bool */;
+val* var267 /* : nullable Bool */;
+static val* varonce268;
+val* var269 /* : String */;
+char* var270 /* : CString */;
+val* var271 /* : String */;
+val* var272 /* : nullable Int */;
+val* var273 /* : nullable Int */;
+val* var274 /* : nullable Bool */;
+val* var275 /* : nullable Bool */;
+val* var276 /* : String */;
 short int var277 /* : Bool */;
+short int var278 /* : Bool */;
 short int var279 /* : Bool */;
-short int var280 /* : Bool */;
-val* var281 /* : ModelBuilder */;
-val* var283 /* : ModelBuilder */;
-static val* varonce284;
-val* var285 /* : String */;
-char* var286 /* : NativeString */;
-val* var287 /* : String */;
-val* var289 /* : NativeArray[String] */;
-static val* varonce288;
-static val* varonce290;
-val* var291 /* : String */;
-char* var292 /* : NativeString */;
-val* var293 /* : String */;
-static val* varonce294;
-val* var295 /* : String */;
-char* var296 /* : NativeString */;
-val* var297 /* : String */;
-val* var298 /* : Array[String] */;
-val* var300 /* : Array[String] */;
-val* var301 /* : nullable Object */;
-val* var302 /* : String */;
-val* var303 /* : ModelBuilder */;
-val* var305 /* : ModelBuilder */;
-static val* varonce306;
-val* var307 /* : String */;
-char* var308 /* : NativeString */;
-val* var309 /* : String */;
-val* var311 /* : NativeArray[String] */;
-static val* varonce310;
-static val* varonce312;
-val* var313 /* : String */;
-char* var314 /* : NativeString */;
-val* var315 /* : String */;
-static val* varonce316;
-val* var317 /* : String */;
-char* var318 /* : NativeString */;
-val* var319 /* : String */;
-val* var320 /* : String */;
-val* var321 /* : MModule */;
-val* var323 /* : MModule */;
-val* var324 /* : Array[MPropDef] */;
-val* var_propdefs /* var propdefs: Array[MMethodDef] */;
-long var325 /* : Int */;
-long var327 /* : Int */;
-short int var328 /* : Bool */;
-short int var330 /* : Bool */;
-val* var331 /* : ModelBuilder */;
-val* var333 /* : ModelBuilder */;
-val* var335 /* : NativeArray[String] */;
+val* var280 /* : MVisibility */;
+val* var282 /* : MVisibility */;
+val* var283 /* : Sys */;
+val* var284 /* : MVisibility */;
+short int var285 /* : Bool */;
+short int var287 /* : Bool */;
+short int var289 /* : Bool */;
+short int var_290 /* var : Bool */;
+short int var291 /* : Bool */;
+short int var_292 /* var : Bool */;
+val* var293 /* : MModule */;
+val* var295 /* : MModule */;
+val* var296 /* : MClassDef */;
+val* var298 /* : MClassDef */;
+val* var299 /* : MModule */;
+val* var301 /* : MModule */;
+val* var302 /* : MVisibility */;
+val* var303 /* : Sys */;
+val* var304 /* : MVisibility */;
+short int var305 /* : Bool */;
+short int var_306 /* var : Bool */;
+val* var307 /* : ModelBuilder */;
+val* var309 /* : ModelBuilder */;
+val* var310 /* : ToolContext */;
+val* var312 /* : ToolContext */;
+val* var313 /* : OptionBool */;
+val* var315 /* : OptionBool */;
+val* var316 /* : nullable Object */;
+val* var318 /* : nullable Object */;
+short int var319 /* : Bool */;
+short int var320 /* : Bool */;
+val* var321 /* : ModelBuilder */;
+val* var323 /* : ModelBuilder */;
+val* var325 /* : NativeArray[String] */;
+static val* varonce324;
+static val* varonce326;
+val* var327 /* : String */;
+char* var328 /* : CString */;
+val* var329 /* : String */;
+val* var330 /* : nullable Int */;
+val* var331 /* : nullable Int */;
+val* var332 /* : nullable Bool */;
+val* var333 /* : nullable Bool */;
 static val* varonce334;
-static val* varonce336;
+val* var335 /* : String */;
+char* var336 /* : CString */;
 val* var337 /* : String */;
-char* var338 /* : NativeString */;
-val* var339 /* : String */;
-static val* varonce340;
-val* var341 /* : String */;
-char* var342 /* : NativeString */;
-val* var343 /* : String */;
-static val* varonce344;
-val* var345 /* : String */;
-char* var346 /* : NativeString */;
-val* var347 /* : String */;
-val* var348 /* : String */;
-val* var349 /* : String */;
-long var350 /* : Int */;
-long var352 /* : Int */;
-short int var353 /* : Bool */;
-short int var355 /* : Bool */;
-val* var356 /* : nullable Object */;
-val* var_mpropdef /* var mpropdef: nullable Object */;
-val* var357 /* : ModelBuilder */;
-val* var359 /* : ModelBuilder */;
-static val* varonce360;
-val* var361 /* : String */;
-char* var362 /* : NativeString */;
-val* var363 /* : String */;
-val* var365 /* : NativeArray[String] */;
-static val* varonce364;
-static val* varonce366;
-val* var367 /* : String */;
-char* var368 /* : NativeString */;
-val* var369 /* : String */;
-static val* varonce370;
-val* var371 /* : String */;
-char* var372 /* : NativeString */;
-val* var373 /* : String */;
-static val* varonce374;
-val* var375 /* : String */;
-char* var376 /* : NativeString */;
-val* var377 /* : String */;
-val* var378 /* : String */;
-static val* varonce379;
-val* var380 /* : String */;
-char* var381 /* : NativeString */;
-val* var382 /* : String */;
+val* var338 /* : nullable Int */;
+val* var339 /* : nullable Int */;
+val* var340 /* : nullable Bool */;
+val* var341 /* : nullable Bool */;
+val* var342 /* : String */;
+val* var343 /* : nullable MDeprecationInfo */;
+val* var345 /* : nullable MDeprecationInfo */;
+val* var_info /* var info: nullable MDeprecationInfo */;
+short int var346 /* : Bool */;
+short int var347 /* : Bool */;
+short int var348 /* : Bool */;
+val* var_other350 /* var other: nullable Object */;
+short int var351 /* : Bool */;
+short int var352 /* : Bool */;
+short int var_353 /* var : Bool */;
+val* var354 /* : nullable MPropDef */;
+val* var356 /* : nullable MPropDef */;
+val* var357 /* : MProperty */;
+val* var359 /* : MProperty */;
+val* var360 /* : nullable MDeprecationInfo */;
+val* var362 /* : nullable MDeprecationInfo */;
+short int var363 /* : Bool */;
+short int var364 /* : Bool */;
+short int var366 /* : Bool */;
+short int var368 /* : Bool */;
+val* var369 /* : nullable MDoc */;
+val* var371 /* : nullable MDoc */;
+val* var_mdoc /* var mdoc: nullable MDoc */;
+short int var372 /* : Bool */;
+short int var373 /* : Bool */;
+short int var375 /* : Bool */;
+short int var376 /* : Bool */;
+val* var377 /* : ModelBuilder */;
+val* var379 /* : ModelBuilder */;
+static val* varonce380;
+val* var381 /* : String */;
+char* var382 /* : CString */;
 val* var383 /* : String */;
-val* var384 /* : String */;
-val* var385 /* : MPropDef */;
-val* var387 /* : MPropDef */;
-val* var388 /* : nullable MSignature */;
-val* var389 /* : nullable MSignature */;
-val* var391 /* : nullable MSignature */;
-val* var392 /* : nullable MSignature */;
-val* var394 /* : nullable MSignature */;
+val* var384 /* : nullable Int */;
+val* var385 /* : nullable Int */;
+val* var386 /* : nullable Bool */;
+val* var387 /* : nullable Bool */;
+val* var389 /* : NativeArray[String] */;
+static val* varonce388;
+static val* varonce390;
+val* var391 /* : String */;
+char* var392 /* : CString */;
+val* var393 /* : String */;
+val* var394 /* : nullable Int */;
+val* var395 /* : nullable Int */;
+val* var396 /* : nullable Bool */;
+val* var397 /* : nullable Bool */;
+static val* varonce398;
+val* var399 /* : String */;
+char* var400 /* : CString */;
+val* var401 /* : String */;
+val* var402 /* : nullable Int */;
+val* var403 /* : nullable Int */;
+val* var404 /* : nullable Bool */;
+val* var405 /* : nullable Bool */;
+val* var406 /* : Array[String] */;
+val* var408 /* : Array[String] */;
+val* var409 /* : nullable Object */;
+val* var410 /* : String */;
+val* var411 /* : ModelBuilder */;
+val* var413 /* : ModelBuilder */;
+static val* varonce414;
+val* var415 /* : String */;
+char* var416 /* : CString */;
+val* var417 /* : String */;
+val* var418 /* : nullable Int */;
+val* var419 /* : nullable Int */;
+val* var420 /* : nullable Bool */;
+val* var421 /* : nullable Bool */;
+val* var423 /* : NativeArray[String] */;
+static val* varonce422;
+static val* varonce424;
+val* var425 /* : String */;
+char* var426 /* : CString */;
+val* var427 /* : String */;
+val* var428 /* : nullable Int */;
+val* var429 /* : nullable Int */;
+val* var430 /* : nullable Bool */;
+val* var431 /* : nullable Bool */;
+static val* varonce432;
+val* var433 /* : String */;
+char* var434 /* : CString */;
+val* var435 /* : String */;
+val* var436 /* : nullable Int */;
+val* var437 /* : nullable Int */;
+val* var438 /* : nullable Bool */;
+val* var439 /* : nullable Bool */;
+val* var440 /* : String */;
+val* var441 /* : MModule */;
+val* var443 /* : MModule */;
+val* var444 /* : Array[MPropDef] */;
+val* var_propdefs /* var propdefs: Array[MMethodDef] */;
+long var445 /* : Int */;
+long var447 /* : Int */;
+short int var448 /* : Bool */;
+short int var450 /* : Bool */;
+val* var451 /* : ModelBuilder */;
+val* var453 /* : ModelBuilder */;
+val* var455 /* : NativeArray[String] */;
+static val* varonce454;
+static val* varonce456;
+val* var457 /* : String */;
+char* var458 /* : CString */;
+val* var459 /* : String */;
+val* var460 /* : nullable Int */;
+val* var461 /* : nullable Int */;
+val* var462 /* : nullable Bool */;
+val* var463 /* : nullable Bool */;
+static val* varonce464;
+val* var465 /* : String */;
+char* var466 /* : CString */;
+val* var467 /* : String */;
+val* var468 /* : nullable Int */;
+val* var469 /* : nullable Int */;
+val* var470 /* : nullable Bool */;
+val* var471 /* : nullable Bool */;
+static val* varonce472;
+val* var473 /* : String */;
+char* var474 /* : CString */;
+val* var475 /* : String */;
+val* var476 /* : nullable Int */;
+val* var477 /* : nullable Int */;
+val* var478 /* : nullable Bool */;
+val* var479 /* : nullable Bool */;
+val* var480 /* : String */;
+val* var481 /* : String */;
+long var482 /* : Int */;
+long var484 /* : Int */;
+short int var485 /* : Bool */;
+short int var487 /* : Bool */;
+val* var488 /* : nullable Object */;
+val* var_mpropdef /* var mpropdef: nullable Object */;
+val* var489 /* : ModelBuilder */;
+val* var491 /* : ModelBuilder */;
+static val* varonce492;
+val* var493 /* : String */;
+char* var494 /* : CString */;
+val* var495 /* : String */;
+val* var496 /* : nullable Int */;
+val* var497 /* : nullable Int */;
+val* var498 /* : nullable Bool */;
+val* var499 /* : nullable Bool */;
+val* var501 /* : NativeArray[String] */;
+static val* varonce500;
+static val* varonce502;
+val* var503 /* : String */;
+char* var504 /* : CString */;
+val* var505 /* : String */;
+val* var506 /* : nullable Int */;
+val* var507 /* : nullable Int */;
+val* var508 /* : nullable Bool */;
+val* var509 /* : nullable Bool */;
+static val* varonce510;
+val* var511 /* : String */;
+char* var512 /* : CString */;
+val* var513 /* : String */;
+val* var514 /* : nullable Int */;
+val* var515 /* : nullable Int */;
+val* var516 /* : nullable Bool */;
+val* var517 /* : nullable Bool */;
+static val* varonce518;
+val* var519 /* : String */;
+char* var520 /* : CString */;
+val* var521 /* : String */;
+val* var522 /* : nullable Int */;
+val* var523 /* : nullable Int */;
+val* var524 /* : nullable Bool */;
+val* var525 /* : nullable Bool */;
+val* var526 /* : String */;
+static val* varonce527;
+val* var528 /* : String */;
+char* var529 /* : CString */;
+val* var530 /* : String */;
+val* var531 /* : nullable Int */;
+val* var532 /* : nullable Int */;
+val* var533 /* : nullable Bool */;
+val* var534 /* : nullable Bool */;
+val* var535 /* : String */;
+val* var536 /* : String */;
+val* var537 /* : MPropDef */;
+val* var539 /* : MPropDef */;
+val* var540 /* : nullable MSignature */;
+val* var541 /* : nullable MSignature */;
+val* var543 /* : nullable MSignature */;
+val* var544 /* : nullable MSignature */;
+val* var546 /* : nullable MSignature */;
 val* var_msignature /* var msignature: nullable MSignature */;
-short int var395 /* : Bool */;
-short int var396 /* : Bool */;
-short int var398 /* : Bool */;
-short int var400 /* : Bool */;
-val* var401 /* : MType */;
-short int var402 /* : Bool */;
-int cltype403;
-int idtype404;
+short int var547 /* : Bool */;
+short int var548 /* : Bool */;
+short int var550 /* : Bool */;
+short int var552 /* : Bool */;
+val* var553 /* : MType */;
+short int var554 /* : Bool */;
+int cltype555;
+int idtype556;
 const char* var_class_name;
 short int var_erasure_cast /* var erasure_cast: Bool */;
-val* var405 /* : nullable MSignature */;
-val* var407 /* : nullable MSignature */;
-val* var408 /* : nullable MType */;
-val* var410 /* : nullable MType */;
+val* var557 /* : nullable MSignature */;
+val* var559 /* : nullable MSignature */;
+val* var560 /* : nullable MType */;
+val* var562 /* : nullable MType */;
 val* var_rettype /* var rettype: nullable MType */;
-short int var411 /* : Bool */;
-short int var412 /* : Bool */;
-short int var_413 /* var : Bool */;
-short int var414 /* : Bool */;
-short int var415 /* : Bool */;
-short int var417 /* : Bool */;
-short int var418 /* : Bool */;
-val* var419 /* : MType */;
-short int var420 /* : Bool */;
-int cltype421;
-int idtype422;
-val* var423 /* : nullable MType */;
-val* var425 /* : nullable MType */;
+short int var563 /* : Bool */;
+short int var564 /* : Bool */;
+short int var_565 /* var : Bool */;
+short int var566 /* : Bool */;
+short int var567 /* : Bool */;
+short int var569 /* : Bool */;
+short int var570 /* : Bool */;
+val* var571 /* : MType */;
+short int var572 /* : Bool */;
+int cltype573;
+int idtype574;
+val* var575 /* : nullable MType */;
+val* var577 /* : nullable MType */;
 val* var_erased_rettype /* var erased_rettype: nullable MType */;
-short int var426 /* : Bool */;
-short int var427 /* : Bool */;
-short int var429 /* : Bool */;
-short int var430 /* : Bool */;
-val* var431 /* : CallSite */;
-val* var432 /* : Location */;
-val* var433 /* : MModule */;
-val* var435 /* : MModule */;
-val* var436 /* : nullable MClassType */;
-val* var438 /* : nullable MClassType */;
+short int var578 /* : Bool */;
+short int var579 /* : Bool */;
+short int var581 /* : Bool */;
+short int var582 /* : Bool */;
+val* var583 /* : CallSite */;
+val* var584 /* : Location */;
+val* var585 /* : MModule */;
+val* var587 /* : MModule */;
+val* var588 /* : nullable MClassType */;
+val* var590 /* : nullable MClassType */;
 val* var_callsite /* var callsite: CallSite */;
 var_node = p0;
 var_recvtype = p1;
@@ -2893,276 +3550,238 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Object";
-var5 = core__flat___NativeString___to_s_full(var4, 6l, 6l);
+var6 = (val*)(6l<<2|1);
+var7 = (val*)(6l<<2|1);
+var8 = (val*)((long)(0)<<2|3);
+var9 = (val*)((long)(0)<<2|3);
+var5 = core__flat___CString___to_s_unsafe(var4, var6, var7, var8, var9);
 var3 = var5;
 varonce = var3;
 }
 {
-var6 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(self, var_node, var3);
+var10 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(self, var_node, var3);
 }
-var_objclass = var6;
+var_objclass = var10;
 if (var_objclass == NULL) {
-var7 = 1; /* is null */
+var11 = 1; /* is null */
 } else {
-var7 = 0; /* arg is null but recv is not */
+var11 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_objclass,((val*)NULL)) on <var_objclass:nullable MClass> */
+{ /* Inline kernel$Object$== (var_objclass,((val*)NULL)) on <var_objclass:nullable MClass> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_objclass,var_other) on <var_objclass:nullable MClass(MClass)> */
-var12 = var_objclass == var_other;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_objclass,var_other) on <var_objclass:nullable MClass(MClass)> */
+var16 = var_objclass == var_other;
+var14 = var16;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
 }
 }
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-var7 = var8;
+var11 = var12;
 }
-if (var7){
+if (var11){
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MClass#mclass_type (var_objclass) on <var_objclass:nullable MClass(MClass)> */
-var15 = var_objclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_objclass:nullable MClass(MClass)> */
-if (unlikely(var15 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var_objclass) on <var_objclass:nullable MClass(MClass)> */
+var19 = var_objclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_objclass:nullable MClass(MClass)> */
+if (unlikely(var19 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 507);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 520);
 fatal_exit(1);
 }
-var13 = var15;
-RET_LABEL14:(void)0;
+var17 = var19;
+RET_LABEL18:(void)0;
 }
 }
-var_unsafe_type = var13;
+var_unsafe_type = var17;
 } else {
 }
 {
-var16 = nitc__typing___nitc__typing__TypeVisitor___try_get_mproperty_by_name2(self, var_node, var_unsafe_type, var_name);
+var20 = nitc__typing___nitc__typing__TypeVisitor___try_get_mproperty_by_name2(self, var_node, var_unsafe_type, var_name);
 }
-var_mproperty = var16;
-if (likely(varonce18!=NULL)) {
-var19 = varonce18;
+var_mproperty = var20;
+if (likely(varonce22!=NULL)) {
+var23 = varonce22;
 } else {
-var20 = "new";
-var21 = core__flat___NativeString___to_s_full(var20, 3l, 3l);
-var19 = var21;
-varonce18 = var19;
+var24 = "new";
+var26 = (val*)(3l<<2|1);
+var27 = (val*)(3l<<2|1);
+var28 = (val*)((long)(0)<<2|3);
+var29 = (val*)((long)(0)<<2|3);
+var25 = core__flat___CString___to_s_unsafe(var24, var26, var27, var28, var29);
+var23 = var25;
+varonce22 = var23;
 }
 {
-var22 = ((short int(*)(val* self, val* p0))(var_name->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_name, var19); /* == on <var_name:String>*/
+var30 = ((short int(*)(val* self, val* p0))(var_name->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_name, var23); /* == on <var_name:String>*/
 }
-var_ = var22;
-if (var22){
+var_ = var30;
+if (var30){
 if (var_mproperty == NULL) {
-var23 = 1; /* is null */
+var31 = 1; /* is null */
 } else {
-var23 = 0; /* arg is null but recv is not */
+var31 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mproperty,((val*)NULL)) on <var_mproperty:nullable MProperty> */
+{ /* Inline kernel$Object$== (var_mproperty,((val*)NULL)) on <var_mproperty:nullable MProperty> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mproperty,var_other) on <var_mproperty:nullable MProperty(MProperty)> */
-var28 = var_mproperty == var_other;
-var26 = var28;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_mproperty,var_other) on <var_mproperty:nullable MProperty(MProperty)> */
+var36 = var_mproperty == var_other;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
 }
 }
-var24 = var26;
-goto RET_LABEL25;
-RET_LABEL25:(void)0;
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
-var23 = var24;
+var31 = var32;
 }
-var17 = var23;
+var21 = var31;
 } else {
-var17 = var_;
+var21 = var_;
 }
-if (var17){
-if (likely(varonce29!=NULL)) {
-var30 = varonce29;
+if (var21){
+if (likely(varonce37!=NULL)) {
+var38 = varonce37;
 } else {
-var31 = "init";
-var32 = core__flat___NativeString___to_s_full(var31, 4l, 4l);
-var30 = var32;
-varonce29 = var30;
+var39 = "init";
+var41 = (val*)(4l<<2|1);
+var42 = (val*)(4l<<2|1);
+var43 = (val*)((long)(0)<<2|3);
+var44 = (val*)((long)(0)<<2|3);
+var40 = core__flat___CString___to_s_unsafe(var39, var41, var42, var43, var44);
+var38 = var40;
+varonce37 = var38;
 }
-var_name = var30;
+var_name = var38;
 {
-var33 = nitc__typing___nitc__typing__TypeVisitor___try_get_mproperty_by_name2(self, var_node, var_unsafe_type, var_name);
+var45 = nitc__typing___nitc__typing__TypeVisitor___try_get_mproperty_by_name2(self, var_node, var_unsafe_type, var_name);
 }
-var_mproperty = var33;
+var_mproperty = var45;
 } else {
 }
 if (var_mproperty == NULL) {
-var34 = 1; /* is null */
+var46 = 1; /* is null */
 } else {
-var34 = 0; /* arg is null but recv is not */
+var46 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mproperty,((val*)NULL)) on <var_mproperty:nullable MProperty> */
+{ /* Inline kernel$Object$== (var_mproperty,((val*)NULL)) on <var_mproperty:nullable MProperty> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mproperty,var_other) on <var_mproperty:nullable MProperty(MProperty)> */
-var39 = var_mproperty == var_other;
-var37 = var39;
-goto RET_LABEL38;
-RET_LABEL38:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_mproperty,var_other) on <var_mproperty:nullable MProperty(MProperty)> */
+var51 = var_mproperty == var_other;
+var49 = var51;
+goto RET_LABEL50;
+RET_LABEL50:(void)0;
 }
 }
-var35 = var37;
-goto RET_LABEL36;
-RET_LABEL36:(void)0;
+var47 = var49;
+goto RET_LABEL48;
+RET_LABEL48:(void)0;
 }
-var34 = var35;
+var46 = var47;
 }
-if (var34){
+if (var46){
 if (var_recv_is_self){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var42 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var42 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var54 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var54 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var40 = var42;
-RET_LABEL41:(void)0;
-}
-}
-if (unlikely(varonce43==NULL)) {
-var44 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce45!=NULL)) {
-var46 = varonce45;
-} else {
-var47 = "Error: method or variable `";
-var48 = core__flat___NativeString___to_s_full(var47, 27l, 27l);
-var46 = var48;
-varonce45 = var46;
-}
-((struct instance_core__NativeArray*)var44)->values[0]=var46;
-if (likely(varonce49!=NULL)) {
-var50 = varonce49;
-} else {
-var51 = "` unknown in `";
-var52 = core__flat___NativeString___to_s_full(var51, 14l, 14l);
-var50 = var52;
-varonce49 = var50;
-}
-((struct instance_core__NativeArray*)var44)->values[2]=var50;
-if (likely(varonce53!=NULL)) {
-var54 = varonce53;
-} else {
-var55 = "`.";
-var56 = core__flat___NativeString___to_s_full(var55, 2l, 2l);
-var54 = var56;
-varonce53 = var54;
-}
-((struct instance_core__NativeArray*)var44)->values[4]=var54;
-} else {
-var44 = varonce43;
-varonce43 = NULL;
-}
-((struct instance_core__NativeArray*)var44)->values[1]=var_name;
-{
-var57 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
-}
-((struct instance_core__NativeArray*)var44)->values[3]=var57;
-{
-var58 = ((val*(*)(val* self))(var44->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var44); /* native_to_s on <var44:NativeArray[String]>*/
+var52 = var54;
+RET_LABEL53:(void)0;
 }
-varonce43 = var44;
-{
-nitc___nitc__ModelBuilder___error(var40, var_node, var58); /* Direct call modelbuilder_base#ModelBuilder#error on <var40:ModelBuilder>*/
 }
+if (unlikely(varonce55==NULL)) {
+var56 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce57!=NULL)) {
+var58 = varonce57;
 } else {
-{
-var59 = ((short int(*)(val* self))(var_recvtype->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_recvtype); /* need_anchor on <var_recvtype:MType>*/
-}
-if (var59){
-{
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var62 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var62 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
-fatal_exit(1);
-}
-var60 = var62;
-RET_LABEL61:(void)0;
-}
+var59 = "Error: method or variable `";
+var61 = (val*)(27l<<2|1);
+var62 = (val*)(27l<<2|1);
+var63 = (val*)((long)(0)<<2|3);
+var64 = (val*)((long)(0)<<2|3);
+var60 = core__flat___CString___to_s_unsafe(var59, var61, var62, var63, var64);
+var58 = var60;
+varonce57 = var58;
 }
-if (unlikely(varonce63==NULL)) {
-var64 = NEW_core__NativeArray(7l, &type_core__NativeArray__core__String);
+((struct instance_core__NativeArray*)var56)->values[0]=var58;
 if (likely(varonce65!=NULL)) {
 var66 = varonce65;
 } else {
-var67 = "Error: method `";
-var68 = core__flat___NativeString___to_s_full(var67, 15l, 15l);
+var67 = "` unknown in `";
+var69 = (val*)(14l<<2|1);
+var70 = (val*)(14l<<2|1);
+var71 = (val*)((long)(0)<<2|3);
+var72 = (val*)((long)(0)<<2|3);
+var68 = core__flat___CString___to_s_unsafe(var67, var69, var70, var71, var72);
 var66 = var68;
 varonce65 = var66;
 }
-((struct instance_core__NativeArray*)var64)->values[0]=var66;
-if (likely(varonce69!=NULL)) {
-var70 = varonce69;
-} else {
-var71 = "` does not exists in `";
-var72 = core__flat___NativeString___to_s_full(var71, 22l, 22l);
-var70 = var72;
-varonce69 = var70;
-}
-((struct instance_core__NativeArray*)var64)->values[2]=var70;
+((struct instance_core__NativeArray*)var56)->values[2]=var66;
 if (likely(varonce73!=NULL)) {
 var74 = varonce73;
 } else {
-var75 = ": ";
-var76 = core__flat___NativeString___to_s_full(var75, 2l, 2l);
+var75 = "`.";
+var77 = (val*)(2l<<2|1);
+var78 = (val*)(2l<<2|1);
+var79 = (val*)((long)(0)<<2|3);
+var80 = (val*)((long)(0)<<2|3);
+var76 = core__flat___CString___to_s_unsafe(var75, var77, var78, var79, var80);
 var74 = var76;
 varonce73 = var74;
 }
-((struct instance_core__NativeArray*)var64)->values[4]=var74;
-if (likely(varonce77!=NULL)) {
-var78 = varonce77;
+((struct instance_core__NativeArray*)var56)->values[4]=var74;
 } else {
-var79 = "`.";
-var80 = core__flat___NativeString___to_s_full(var79, 2l, 2l);
-var78 = var80;
-varonce77 = var78;
+var56 = varonce55;
+varonce55 = NULL;
 }
-((struct instance_core__NativeArray*)var64)->values[6]=var78;
-} else {
-var64 = varonce63;
-varonce63 = NULL;
-}
-((struct instance_core__NativeArray*)var64)->values[1]=var_name;
+((struct instance_core__NativeArray*)var56)->values[1]=var_name;
 {
 var81 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
 }
-((struct instance_core__NativeArray*)var64)->values[3]=var81;
+((struct instance_core__NativeArray*)var56)->values[3]=var81;
 {
-var82 = ((val*(*)(val* self))(var_unsafe_type->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_unsafe_type); /* to_s on <var_unsafe_type:MType>*/
+var82 = ((val*(*)(val* self))(var56->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var56); /* native_to_s on <var56:NativeArray[String]>*/
 }
-((struct instance_core__NativeArray*)var64)->values[5]=var82;
+varonce55 = var56;
 {
-var83 = ((val*(*)(val* self))(var64->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var64); /* native_to_s on <var64:NativeArray[String]>*/
+nitc___nitc__ModelBuilder___error(var52, var_node, var82); /* Direct call modelbuilder_base$ModelBuilder$error on <var52:ModelBuilder>*/
 }
-varonce63 = var64;
+} else {
 {
-nitc___nitc__ModelBuilder___error(var60, var_node, var83); /* Direct call modelbuilder_base#ModelBuilder#error on <var60:ModelBuilder>*/
+var83 = ((short int(*)(val* self))(var_recvtype->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_recvtype); /* need_anchor on <var_recvtype:MType>*/
 }
-} else {
+if (var83){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var86 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var86 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -3172,49 +3791,151 @@ RET_LABEL85:(void)0;
 }
 }
 if (unlikely(varonce87==NULL)) {
-var88 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
+var88 = NEW_core__NativeArray((int)7l, &type_core__NativeArray__core__String);
 if (likely(varonce89!=NULL)) {
 var90 = varonce89;
 } else {
 var91 = "Error: method `";
-var92 = core__flat___NativeString___to_s_full(var91, 15l, 15l);
+var93 = (val*)(15l<<2|1);
+var94 = (val*)(15l<<2|1);
+var95 = (val*)((long)(0)<<2|3);
+var96 = (val*)((long)(0)<<2|3);
+var92 = core__flat___CString___to_s_unsafe(var91, var93, var94, var95, var96);
 var90 = var92;
 varonce89 = var90;
 }
 ((struct instance_core__NativeArray*)var88)->values[0]=var90;
-if (likely(varonce93!=NULL)) {
-var94 = varonce93;
-} else {
-var95 = "` does not exists in `";
-var96 = core__flat___NativeString___to_s_full(var95, 22l, 22l);
-var94 = var96;
-varonce93 = var94;
-}
-((struct instance_core__NativeArray*)var88)->values[2]=var94;
 if (likely(varonce97!=NULL)) {
 var98 = varonce97;
 } else {
-var99 = "`.";
-var100 = core__flat___NativeString___to_s_full(var99, 2l, 2l);
+var99 = "` does not exists in `";
+var101 = (val*)(22l<<2|1);
+var102 = (val*)(22l<<2|1);
+var103 = (val*)((long)(0)<<2|3);
+var104 = (val*)((long)(0)<<2|3);
+var100 = core__flat___CString___to_s_unsafe(var99, var101, var102, var103, var104);
 var98 = var100;
 varonce97 = var98;
 }
-((struct instance_core__NativeArray*)var88)->values[4]=var98;
+((struct instance_core__NativeArray*)var88)->values[2]=var98;
+if (likely(varonce105!=NULL)) {
+var106 = varonce105;
+} else {
+var107 = ": ";
+var109 = (val*)(2l<<2|1);
+var110 = (val*)(2l<<2|1);
+var111 = (val*)((long)(0)<<2|3);
+var112 = (val*)((long)(0)<<2|3);
+var108 = core__flat___CString___to_s_unsafe(var107, var109, var110, var111, var112);
+var106 = var108;
+varonce105 = var106;
+}
+((struct instance_core__NativeArray*)var88)->values[4]=var106;
+if (likely(varonce113!=NULL)) {
+var114 = varonce113;
+} else {
+var115 = "`.";
+var117 = (val*)(2l<<2|1);
+var118 = (val*)(2l<<2|1);
+var119 = (val*)((long)(0)<<2|3);
+var120 = (val*)((long)(0)<<2|3);
+var116 = core__flat___CString___to_s_unsafe(var115, var117, var118, var119, var120);
+var114 = var116;
+varonce113 = var114;
+}
+((struct instance_core__NativeArray*)var88)->values[6]=var114;
 } else {
 var88 = varonce87;
 varonce87 = NULL;
 }
 ((struct instance_core__NativeArray*)var88)->values[1]=var_name;
 {
-var101 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
+var121 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
 }
-((struct instance_core__NativeArray*)var88)->values[3]=var101;
+((struct instance_core__NativeArray*)var88)->values[3]=var121;
 {
-var102 = ((val*(*)(val* self))(var88->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var88); /* native_to_s on <var88:NativeArray[String]>*/
+var122 = ((val*(*)(val* self))(var_unsafe_type->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_unsafe_type); /* to_s on <var_unsafe_type:MType>*/
+}
+((struct instance_core__NativeArray*)var88)->values[5]=var122;
+{
+var123 = ((val*(*)(val* self))(var88->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var88); /* native_to_s on <var88:NativeArray[String]>*/
 }
 varonce87 = var88;
 {
-nitc___nitc__ModelBuilder___error(var84, var_node, var102); /* Direct call modelbuilder_base#ModelBuilder#error on <var84:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var84, var_node, var123); /* Direct call modelbuilder_base$ModelBuilder$error on <var84:ModelBuilder>*/
+}
+} else {
+{
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var126 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var126 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
+fatal_exit(1);
+}
+var124 = var126;
+RET_LABEL125:(void)0;
+}
+}
+if (unlikely(varonce127==NULL)) {
+var128 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce129!=NULL)) {
+var130 = varonce129;
+} else {
+var131 = "Error: method `";
+var133 = (val*)(15l<<2|1);
+var134 = (val*)(15l<<2|1);
+var135 = (val*)((long)(0)<<2|3);
+var136 = (val*)((long)(0)<<2|3);
+var132 = core__flat___CString___to_s_unsafe(var131, var133, var134, var135, var136);
+var130 = var132;
+varonce129 = var130;
+}
+((struct instance_core__NativeArray*)var128)->values[0]=var130;
+if (likely(varonce137!=NULL)) {
+var138 = varonce137;
+} else {
+var139 = "` does not exists in `";
+var141 = (val*)(22l<<2|1);
+var142 = (val*)(22l<<2|1);
+var143 = (val*)((long)(0)<<2|3);
+var144 = (val*)((long)(0)<<2|3);
+var140 = core__flat___CString___to_s_unsafe(var139, var141, var142, var143, var144);
+var138 = var140;
+varonce137 = var138;
+}
+((struct instance_core__NativeArray*)var128)->values[2]=var138;
+if (likely(varonce145!=NULL)) {
+var146 = varonce145;
+} else {
+var147 = "`.";
+var149 = (val*)(2l<<2|1);
+var150 = (val*)(2l<<2|1);
+var151 = (val*)((long)(0)<<2|3);
+var152 = (val*)((long)(0)<<2|3);
+var148 = core__flat___CString___to_s_unsafe(var147, var149, var150, var151, var152);
+var146 = var148;
+varonce145 = var146;
+}
+((struct instance_core__NativeArray*)var128)->values[4]=var146;
+} else {
+var128 = varonce127;
+varonce127 = NULL;
+}
+((struct instance_core__NativeArray*)var128)->values[1]=var_name;
+{
+var153 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
+}
+((struct instance_core__NativeArray*)var128)->values[3]=var153;
+{
+var154 = ((val*(*)(val* self))(var128->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var128); /* native_to_s on <var128:NativeArray[String]>*/
+}
+varonce127 = var128;
+{
+nitc___nitc__ModelBuilder___error(var124, var_node, var154); /* Direct call modelbuilder_base$ModelBuilder$error on <var124:ModelBuilder>*/
 }
 }
 }
@@ -3223,1055 +3944,1224 @@ goto RET_LABEL;
 } else {
 }
 /* <var_mproperty:nullable MProperty(MProperty)> isa MMethod */
-cltype104 = type_nitc__MMethod.color;
-idtype105 = type_nitc__MMethod.id;
-if(cltype104 >= var_mproperty->type->table_size) {
-var103 = 0;
+cltype156 = type_nitc__MMethod.color;
+idtype157 = type_nitc__MMethod.id;
+if(cltype156 >= var_mproperty->type->table_size) {
+var155 = 0;
 } else {
-var103 = var_mproperty->type->type_table[cltype104] == idtype105;
+var155 = var_mproperty->type->type_table[cltype156] == idtype157;
+}
+if (unlikely(!var155)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (unlikely(!var103)) {
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 332);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 336);
 fatal_exit(1);
 }
 /* <var_recvtype:MType> isa MNullType */
-cltype108 = type_nitc__MNullType.color;
-idtype109 = type_nitc__MNullType.id;
-if(cltype108 >= var_recvtype->type->table_size) {
-var107 = 0;
+cltype160 = type_nitc__MNullType.color;
+idtype161 = type_nitc__MNullType.id;
+if(cltype160 >= var_recvtype->type->table_size) {
+var159 = 0;
 } else {
-var107 = var_recvtype->type->type_table[cltype108] == idtype109;
+var159 = var_recvtype->type->type_table[cltype160] == idtype161;
 }
-var_110 = var107;
-if (var107){
+var_162 = var159;
+if (var159){
 {
-var111 = nitc___nitc__MMethod___is_null_safe(var_mproperty);
+var163 = nitc___nitc__MMethod___is_null_safe(var_mproperty);
 }
-var112 = !var111;
-var106 = var112;
+var164 = !var163;
+var158 = var164;
 } else {
-var106 = var_110;
+var158 = var_162;
 }
-if (var106){
-if (unlikely(varonce113==NULL)) {
-var114 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce115!=NULL)) {
-var116 = varonce115;
+if (var158){
+if (unlikely(varonce165==NULL)) {
+var166 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce167!=NULL)) {
+var168 = varonce167;
 } else {
-var117 = "Error: method `";
-var118 = core__flat___NativeString___to_s_full(var117, 15l, 15l);
-var116 = var118;
-varonce115 = var116;
+var169 = "Error: method `";
+var171 = (val*)(15l<<2|1);
+var172 = (val*)(15l<<2|1);
+var173 = (val*)((long)(0)<<2|3);
+var174 = (val*)((long)(0)<<2|3);
+var170 = core__flat___CString___to_s_unsafe(var169, var171, var172, var173, var174);
+var168 = var170;
+varonce167 = var168;
 }
-((struct instance_core__NativeArray*)var114)->values[0]=var116;
-if (likely(varonce119!=NULL)) {
-var120 = varonce119;
+((struct instance_core__NativeArray*)var166)->values[0]=var168;
+if (likely(varonce175!=NULL)) {
+var176 = varonce175;
 } else {
-var121 = "` called on `null`.";
-var122 = core__flat___NativeString___to_s_full(var121, 19l, 19l);
-var120 = var122;
-varonce119 = var120;
+var177 = "` called on `null`.";
+var179 = (val*)(19l<<2|1);
+var180 = (val*)(19l<<2|1);
+var181 = (val*)((long)(0)<<2|3);
+var182 = (val*)((long)(0)<<2|3);
+var178 = core__flat___CString___to_s_unsafe(var177, var179, var180, var181, var182);
+var176 = var178;
+varonce175 = var176;
 }
-((struct instance_core__NativeArray*)var114)->values[2]=var120;
+((struct instance_core__NativeArray*)var166)->values[2]=var176;
 } else {
-var114 = varonce113;
-varonce113 = NULL;
+var166 = varonce165;
+varonce165 = NULL;
 }
-((struct instance_core__NativeArray*)var114)->values[1]=var_name;
+((struct instance_core__NativeArray*)var166)->values[1]=var_name;
 {
-var123 = ((val*(*)(val* self))(var114->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var114); /* native_to_s on <var114:NativeArray[String]>*/
+var183 = ((val*(*)(val* self))(var166->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var166); /* native_to_s on <var166:NativeArray[String]>*/
 }
-varonce113 = var114;
+varonce165 = var166;
 {
-nitc__typing___nitc__typing__TypeVisitor___error(self, var_node, var123); /* Direct call typing#TypeVisitor#error on <self:TypeVisitor>*/
+nitc__typing___nitc__typing__TypeVisitor___error(self, var_node, var183); /* Direct call typing$TypeVisitor$error on <self:TypeVisitor>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 /* <var_unsafe_type:MType> isa MNullableType */
-cltype126 = type_nitc__MNullableType.color;
-idtype127 = type_nitc__MNullableType.id;
-if(cltype126 >= var_unsafe_type->type->table_size) {
-var125 = 0;
+cltype186 = type_nitc__MNullableType.color;
+idtype187 = type_nitc__MNullableType.id;
+if(cltype186 >= var_unsafe_type->type->table_size) {
+var185 = 0;
 } else {
-var125 = var_unsafe_type->type->type_table[cltype126] == idtype127;
+var185 = var_unsafe_type->type->type_table[cltype186] == idtype187;
 }
-var_128 = var125;
-if (var125){
+var_188 = var185;
+if (var185){
 {
-var129 = nitc___nitc__MMethod___is_null_safe(var_mproperty);
+var189 = nitc___nitc__MMethod___is_null_safe(var_mproperty);
 }
-var130 = !var129;
-var124 = var130;
+var190 = !var189;
+var184 = var190;
 } else {
-var124 = var_128;
+var184 = var_188;
 }
-if (var124){
+if (var184){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var133 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var133 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var193 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var193 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var131 = var133;
-RET_LABEL132:(void)0;
+var191 = var193;
+RET_LABEL192:(void)0;
 }
 }
-if (likely(varonce134!=NULL)) {
-var135 = varonce134;
+if (likely(varonce194!=NULL)) {
+var195 = varonce194;
 } else {
-var136 = "call-on-nullable";
-var137 = core__flat___NativeString___to_s_full(var136, 16l, 16l);
-var135 = var137;
-varonce134 = var135;
+var196 = "call-on-nullable";
+var198 = (val*)(16l<<2|1);
+var199 = (val*)(16l<<2|1);
+var200 = (val*)((long)(0)<<2|3);
+var201 = (val*)((long)(0)<<2|3);
+var197 = core__flat___CString___to_s_unsafe(var196, var198, var199, var200, var201);
+var195 = var197;
+varonce194 = var195;
 }
-if (unlikely(varonce138==NULL)) {
-var139 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce140!=NULL)) {
-var141 = varonce140;
+if (unlikely(varonce202==NULL)) {
+var203 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce204!=NULL)) {
+var205 = varonce204;
 } else {
-var142 = "Warning: method call on a nullable receiver `";
-var143 = core__flat___NativeString___to_s_full(var142, 45l, 45l);
-var141 = var143;
-varonce140 = var141;
+var206 = "Warning: method call on a nullable receiver `";
+var208 = (val*)(45l<<2|1);
+var209 = (val*)(45l<<2|1);
+var210 = (val*)((long)(0)<<2|3);
+var211 = (val*)((long)(0)<<2|3);
+var207 = core__flat___CString___to_s_unsafe(var206, var208, var209, var210, var211);
+var205 = var207;
+varonce204 = var205;
 }
-((struct instance_core__NativeArray*)var139)->values[0]=var141;
-if (likely(varonce144!=NULL)) {
-var145 = varonce144;
+((struct instance_core__NativeArray*)var203)->values[0]=var205;
+if (likely(varonce212!=NULL)) {
+var213 = varonce212;
 } else {
-var146 = "`.";
-var147 = core__flat___NativeString___to_s_full(var146, 2l, 2l);
-var145 = var147;
-varonce144 = var145;
+var214 = "`.";
+var216 = (val*)(2l<<2|1);
+var217 = (val*)(2l<<2|1);
+var218 = (val*)((long)(0)<<2|3);
+var219 = (val*)((long)(0)<<2|3);
+var215 = core__flat___CString___to_s_unsafe(var214, var216, var217, var218, var219);
+var213 = var215;
+varonce212 = var213;
 }
-((struct instance_core__NativeArray*)var139)->values[2]=var145;
+((struct instance_core__NativeArray*)var203)->values[2]=var213;
 } else {
-var139 = varonce138;
-varonce138 = NULL;
+var203 = varonce202;
+varonce202 = NULL;
 }
 {
-var148 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
+var220 = ((val*(*)(val* self))(var_recvtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_recvtype); /* to_s on <var_recvtype:MType>*/
 }
-((struct instance_core__NativeArray*)var139)->values[1]=var148;
+((struct instance_core__NativeArray*)var203)->values[1]=var220;
 {
-var149 = ((val*(*)(val* self))(var139->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var139); /* native_to_s on <var139:NativeArray[String]>*/
+var221 = ((val*(*)(val* self))(var203->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var203); /* native_to_s on <var203:NativeArray[String]>*/
 }
-varonce138 = var139;
+varonce202 = var203;
 {
-nitc___nitc__ModelBuilder___advice(var131, var_node, var135, var149); /* Direct call modelbuilder_base#ModelBuilder#advice on <var131:ModelBuilder>*/
+nitc___nitc__ModelBuilder___advice(var191, var_node, var195, var221); /* Direct call modelbuilder_base$ModelBuilder$advice on <var191:ModelBuilder>*/
 }
 } else {
 }
 }
 {
-{ /* Inline typing#TypeVisitor#is_toplevel_context (self) on <self:TypeVisitor> */
-var154 = self->attrs[COLOR_nitc__typing__TypeVisitor___is_toplevel_context].s; /* _is_toplevel_context on <self:TypeVisitor> */
-var152 = var154;
-RET_LABEL153:(void)0;
+{ /* Inline typing$TypeVisitor$is_toplevel_context (self) on <self:TypeVisitor> */
+var226 = self->attrs[COLOR_nitc__typing__TypeVisitor___is_toplevel_context].s; /* _is_toplevel_context on <self:TypeVisitor> */
+var224 = var226;
+RET_LABEL225:(void)0;
 }
 }
-var_155 = var152;
-if (var152){
-var151 = var_recv_is_self;
+var_227 = var224;
+if (var224){
+var223 = var_recv_is_self;
 } else {
-var151 = var_155;
+var223 = var_227;
 }
-var_156 = var151;
-if (var151){
+var_228 = var223;
+if (var223){
 {
-{ /* Inline model#MMethod#is_toplevel (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
-var159 = var_mproperty->attrs[COLOR_nitc__model__MMethod___is_toplevel].s; /* _is_toplevel on <var_mproperty:nullable MProperty(MMethod)> */
-var157 = var159;
-RET_LABEL158:(void)0;
+{ /* Inline model$MMethod$is_toplevel (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
+var231 = var_mproperty->attrs[COLOR_nitc__model__MMethod___is_toplevel].s; /* _is_toplevel on <var_mproperty:nullable MProperty(MMethod)> */
+var229 = var231;
+RET_LABEL230:(void)0;
 }
 }
-var160 = !var157;
-var150 = var160;
+var232 = !var229;
+var222 = var232;
 } else {
-var150 = var_156;
+var222 = var_228;
 }
-if (var150){
-if (unlikely(varonce161==NULL)) {
-var162 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce163!=NULL)) {
-var164 = varonce163;
+if (var222){
+if (unlikely(varonce233==NULL)) {
+var234 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce235!=NULL)) {
+var236 = varonce235;
 } else {
-var165 = "Error: `";
-var166 = core__flat___NativeString___to_s_full(var165, 8l, 8l);
-var164 = var166;
-varonce163 = var164;
+var237 = "Error: `";
+var239 = (val*)(8l<<2|1);
+var240 = (val*)(8l<<2|1);
+var241 = (val*)((long)(0)<<2|3);
+var242 = (val*)((long)(0)<<2|3);
+var238 = core__flat___CString___to_s_unsafe(var237, var239, var240, var241, var242);
+var236 = var238;
+varonce235 = var236;
 }
-((struct instance_core__NativeArray*)var162)->values[0]=var164;
-if (likely(varonce167!=NULL)) {
-var168 = varonce167;
+((struct instance_core__NativeArray*)var234)->values[0]=var236;
+if (likely(varonce243!=NULL)) {
+var244 = varonce243;
 } else {
-var169 = "` is not a top-level method, thus need a receiver.";
-var170 = core__flat___NativeString___to_s_full(var169, 50l, 50l);
-var168 = var170;
-varonce167 = var168;
+var245 = "` is not a top-level method, thus need a receiver.";
+var247 = (val*)(50l<<2|1);
+var248 = (val*)(50l<<2|1);
+var249 = (val*)((long)(0)<<2|3);
+var250 = (val*)((long)(0)<<2|3);
+var246 = core__flat___CString___to_s_unsafe(var245, var247, var248, var249, var250);
+var244 = var246;
+varonce243 = var244;
 }
-((struct instance_core__NativeArray*)var162)->values[2]=var168;
+((struct instance_core__NativeArray*)var234)->values[2]=var244;
 } else {
-var162 = varonce161;
-varonce161 = NULL;
+var234 = varonce233;
+varonce233 = NULL;
 }
-((struct instance_core__NativeArray*)var162)->values[1]=var_name;
+((struct instance_core__NativeArray*)var234)->values[1]=var_name;
 {
-var171 = ((val*(*)(val* self))(var162->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var162); /* native_to_s on <var162:NativeArray[String]>*/
+var251 = ((val*(*)(val* self))(var234->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var234); /* native_to_s on <var234:NativeArray[String]>*/
 }
-varonce161 = var162;
+varonce233 = var234;
 {
-nitc__typing___nitc__typing__TypeVisitor___error(self, var_node, var171); /* Direct call typing#TypeVisitor#error on <self:TypeVisitor>*/
+nitc__typing___nitc__typing__TypeVisitor___error(self, var_node, var251); /* Direct call typing$TypeVisitor$error on <self:TypeVisitor>*/
 }
 } else {
 }
-var173 = !var_recv_is_self;
-var_174 = var173;
-if (var173){
+var253 = !var_recv_is_self;
+var_254 = var253;
+if (var253){
 {
-{ /* Inline model#MMethod#is_toplevel (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
-var177 = var_mproperty->attrs[COLOR_nitc__model__MMethod___is_toplevel].s; /* _is_toplevel on <var_mproperty:nullable MProperty(MMethod)> */
-var175 = var177;
-RET_LABEL176:(void)0;
-}
+{ /* Inline model$MMethod$is_toplevel (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
+var257 = var_mproperty->attrs[COLOR_nitc__model__MMethod___is_toplevel].s; /* _is_toplevel on <var_mproperty:nullable MProperty(MMethod)> */
+var255 = var257;
+RET_LABEL256:(void)0;
 }
-var172 = var175;
-} else {
-var172 = var_174;
 }
-if (var172){
-if (unlikely(varonce178==NULL)) {
-var179 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce180!=NULL)) {
-var181 = varonce180;
+var252 = var255;
 } else {
-var182 = "Error: cannot call `";
-var183 = core__flat___NativeString___to_s_full(var182, 20l, 20l);
-var181 = var183;
-varonce180 = var181;
+var252 = var_254;
 }
-((struct instance_core__NativeArray*)var179)->values[0]=var181;
-if (likely(varonce184!=NULL)) {
-var185 = varonce184;
+if (var252){
+if (unlikely(varonce258==NULL)) {
+var259 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce260!=NULL)) {
+var261 = varonce260;
 } else {
-var186 = "`, a top-level method, with a receiver.";
-var187 = core__flat___NativeString___to_s_full(var186, 39l, 39l);
-var185 = var187;
-varonce184 = var185;
+var262 = "Error: cannot call `";
+var264 = (val*)(20l<<2|1);
+var265 = (val*)(20l<<2|1);
+var266 = (val*)((long)(0)<<2|3);
+var267 = (val*)((long)(0)<<2|3);
+var263 = core__flat___CString___to_s_unsafe(var262, var264, var265, var266, var267);
+var261 = var263;
+varonce260 = var261;
+}
+((struct instance_core__NativeArray*)var259)->values[0]=var261;
+if (likely(varonce268!=NULL)) {
+var269 = varonce268;
+} else {
+var270 = "`, a top-level method, with a receiver.";
+var272 = (val*)(39l<<2|1);
+var273 = (val*)(39l<<2|1);
+var274 = (val*)((long)(0)<<2|3);
+var275 = (val*)((long)(0)<<2|3);
+var271 = core__flat___CString___to_s_unsafe(var270, var272, var273, var274, var275);
+var269 = var271;
+varonce268 = var269;
 }
-((struct instance_core__NativeArray*)var179)->values[2]=var185;
+((struct instance_core__NativeArray*)var259)->values[2]=var269;
 } else {
-var179 = varonce178;
-varonce178 = NULL;
+var259 = varonce258;
+varonce258 = NULL;
 }
-((struct instance_core__NativeArray*)var179)->values[1]=var_name;
+((struct instance_core__NativeArray*)var259)->values[1]=var_name;
 {
-var188 = ((val*(*)(val* self))(var179->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var179); /* native_to_s on <var179:NativeArray[String]>*/
+var276 = ((val*(*)(val* self))(var259->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var259); /* native_to_s on <var259:NativeArray[String]>*/
 }
-varonce178 = var179;
+varonce258 = var259;
 {
-nitc__typing___nitc__typing__TypeVisitor___error(self, var_node, var188); /* Direct call typing#TypeVisitor#error on <self:TypeVisitor>*/
+nitc__typing___nitc__typing__TypeVisitor___error(self, var_node, var276); /* Direct call typing$TypeVisitor$error on <self:TypeVisitor>*/
 }
 } else {
 }
 {
-{ /* Inline model#MProperty#visibility (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
-var194 = var_mproperty->attrs[COLOR_nitc__model__MProperty___visibility].val; /* _visibility on <var_mproperty:nullable MProperty(MMethod)> */
-if (unlikely(var194 == NULL)) {
+{ /* Inline model$MProperty$visibility (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
+var282 = var_mproperty->attrs[COLOR_nitc__model__MProperty___visibility].val; /* _visibility on <var_mproperty:nullable MProperty(MMethod)> */
+if (unlikely(var282 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _visibility");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1967);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2078);
 fatal_exit(1);
 }
-var192 = var194;
-RET_LABEL193:(void)0;
+var280 = var282;
+RET_LABEL281:(void)0;
 }
 }
-var195 = glob_sys;
+var283 = glob_sys;
 {
-var196 = nitc__model_base___core__Sys___protected_visibility(var195);
+var284 = nitc__model_base___core__Sys___protected_visibility(var283);
 }
 {
-{ /* Inline kernel#Object#== (var192,var196) on <var192:MVisibility> */
-var_other = var196;
+{ /* Inline kernel$Object$== (var280,var284) on <var280:MVisibility> */
+var_other = var284;
 {
-{ /* Inline kernel#Object#is_same_instance (var192,var_other) on <var192:MVisibility> */
-var201 = var192 == var_other;
-var199 = var201;
-goto RET_LABEL200;
-RET_LABEL200:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var280,var_other) on <var280:MVisibility> */
+var289 = var280 == var_other;
+var287 = var289;
+goto RET_LABEL288;
+RET_LABEL288:(void)0;
 }
 }
-var197 = var199;
-goto RET_LABEL198;
-RET_LABEL198:(void)0;
+var285 = var287;
+goto RET_LABEL286;
+RET_LABEL286:(void)0;
 }
 }
-var_202 = var197;
-if (var197){
-var203 = !var_recv_is_self;
-var191 = var203;
+var_290 = var285;
+if (var285){
+var291 = !var_recv_is_self;
+var279 = var291;
 } else {
-var191 = var_202;
+var279 = var_290;
 }
-var_204 = var191;
-if (var191){
+var_292 = var279;
+if (var279){
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
-var207 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
-if (unlikely(var207 == NULL)) {
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
+var295 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
+if (unlikely(var295 == 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__typing, 37);
 fatal_exit(1);
 }
-var205 = var207;
-RET_LABEL206:(void)0;
+var293 = var295;
+RET_LABEL294:(void)0;
 }
 }
 {
-{ /* Inline model#MProperty#intro_mclassdef (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
-var210 = var_mproperty->attrs[COLOR_nitc__model__MProperty___intro_mclassdef].val; /* _intro_mclassdef on <var_mproperty:nullable MProperty(MMethod)> */
-if (unlikely(var210 == NULL)) {
+{ /* Inline model$MProperty$intro_mclassdef (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
+var298 = var_mproperty->attrs[COLOR_nitc__model__MProperty___intro_mclassdef].val; /* _intro_mclassdef on <var_mproperty:nullable MProperty(MMethod)> */
+if (unlikely(var298 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1946);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2042);
 fatal_exit(1);
 }
-var208 = var210;
-RET_LABEL209:(void)0;
+var296 = var298;
+RET_LABEL297:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mmodule (var208) on <var208:MClassDef> */
-var213 = var208->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var208:MClassDef> */
-if (unlikely(var213 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (var296) on <var296:MClassDef> */
+var301 = var296->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var296:MClassDef> */
+if (unlikely(var301 == 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);
 }
-var211 = var213;
-RET_LABEL212:(void)0;
+var299 = var301;
+RET_LABEL300:(void)0;
 }
 }
 {
-var214 = nitc___nitc__MModule___visibility_for(var205, var211);
+var302 = nitc___nitc__MModule___visibility_for(var293, var299);
 }
-var215 = glob_sys;
+var303 = glob_sys;
 {
-var216 = nitc__model_base___core__Sys___intrude_visibility(var215);
+var304 = nitc__model_base___core__Sys___intrude_visibility(var303);
 }
 {
-var217 = nitc___nitc__MVisibility___core__kernel__Comparable___60d(var214, var216);
+var305 = nitc___nitc__MVisibility___core__kernel__Comparable___60d(var302, var304);
 }
-var190 = var217;
+var278 = var305;
 } else {
-var190 = var_204;
+var278 = var_292;
 }
-var_218 = var190;
-if (var190){
+var_306 = var278;
+if (var278){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var221 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var221 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var309 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var309 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var219 = var221;
-RET_LABEL220:(void)0;
+var307 = var309;
+RET_LABEL308:(void)0;
 }
 }
 {
-{ /* Inline modelbuilder_base#ModelBuilder#toolcontext (var219) on <var219:ModelBuilder> */
-var224 = var219->attrs[COLOR_nitc__modelbuilder_base__ModelBuilder___toolcontext].val; /* _toolcontext on <var219:ModelBuilder> */
-if (unlikely(var224 == NULL)) {
+{ /* Inline modelbuilder_base$ModelBuilder$toolcontext (var307) on <var307:ModelBuilder> */
+var312 = var307->attrs[COLOR_nitc__modelbuilder_base__ModelBuilder___toolcontext].val; /* _toolcontext on <var307:ModelBuilder> */
+if (unlikely(var312 == 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__modelbuilder_base, 47);
 fatal_exit(1);
 }
-var222 = var224;
-RET_LABEL223:(void)0;
+var310 = var312;
+RET_LABEL311:(void)0;
 }
 }
 {
-{ /* Inline modelbuilder#ToolContext#opt_ignore_visibility (var222) on <var222:ToolContext> */
-var227 = var222->attrs[COLOR_nitc__modelbuilder__ToolContext___opt_ignore_visibility].val; /* _opt_ignore_visibility on <var222:ToolContext> */
-if (unlikely(var227 == NULL)) {
+{ /* Inline modelbuilder$ToolContext$opt_ignore_visibility (var310) on <var310:ToolContext> */
+var315 = var310->attrs[COLOR_nitc__modelbuilder__ToolContext___opt_ignore_visibility].val; /* _opt_ignore_visibility on <var310:ToolContext> */
+if (unlikely(var315 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _opt_ignore_visibility");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__modelbuilder, 27);
 fatal_exit(1);
 }
-var225 = var227;
-RET_LABEL226:(void)0;
+var313 = var315;
+RET_LABEL314:(void)0;
 }
 }
 {
-{ /* Inline opts#Option#value (var225) on <var225:OptionBool> */
-var230 = var225->attrs[COLOR_opts__Option___value].val; /* _value on <var225:OptionBool> */
-var228 = var230;
-RET_LABEL229:(void)0;
+{ /* Inline opts$Option$value (var313) on <var313:OptionBool> */
+var318 = var313->attrs[COLOR_opts__Option___value].val; /* _value on <var313:OptionBool> */
+var316 = var318;
+RET_LABEL317:(void)0;
 }
 }
-var231 = (short int)((long)(var228)>>2);
-var232 = !var231;
-var189 = var232;
+var319 = (short int)((long)(var316)>>2);
+var320 = !var319;
+var277 = var320;
 } else {
-var189 = var_218;
+var277 = var_306;
 }
-if (var189){
+if (var277){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var235 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var235 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var323 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var323 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var233 = var235;
-RET_LABEL234:(void)0;
+var321 = var323;
+RET_LABEL322:(void)0;
 }
 }
-if (unlikely(varonce236==NULL)) {
-var237 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce238!=NULL)) {
-var239 = varonce238;
+if (unlikely(varonce324==NULL)) {
+var325 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce326!=NULL)) {
+var327 = varonce326;
 } else {
-var240 = "Error: method `";
-var241 = core__flat___NativeString___to_s_full(var240, 15l, 15l);
-var239 = var241;
-varonce238 = var239;
+var328 = "Error: method `";
+var330 = (val*)(15l<<2|1);
+var331 = (val*)(15l<<2|1);
+var332 = (val*)((long)(0)<<2|3);
+var333 = (val*)((long)(0)<<2|3);
+var329 = core__flat___CString___to_s_unsafe(var328, var330, var331, var332, var333);
+var327 = var329;
+varonce326 = var327;
 }
-((struct instance_core__NativeArray*)var237)->values[0]=var239;
-if (likely(varonce242!=NULL)) {
-var243 = varonce242;
+((struct instance_core__NativeArray*)var325)->values[0]=var327;
+if (likely(varonce334!=NULL)) {
+var335 = varonce334;
 } else {
-var244 = "` is protected and can only accessed by `self`.";
-var245 = core__flat___NativeString___to_s_full(var244, 47l, 47l);
-var243 = var245;
-varonce242 = var243;
+var336 = "` is protected and can only accessed by `self`.";
+var338 = (val*)(47l<<2|1);
+var339 = (val*)(47l<<2|1);
+var340 = (val*)((long)(0)<<2|3);
+var341 = (val*)((long)(0)<<2|3);
+var337 = core__flat___CString___to_s_unsafe(var336, var338, var339, var340, var341);
+var335 = var337;
+varonce334 = var335;
 }
-((struct instance_core__NativeArray*)var237)->values[2]=var243;
+((struct instance_core__NativeArray*)var325)->values[2]=var335;
 } else {
-var237 = varonce236;
-varonce236 = NULL;
+var325 = varonce324;
+varonce324 = NULL;
 }
-((struct instance_core__NativeArray*)var237)->values[1]=var_name;
+((struct instance_core__NativeArray*)var325)->values[1]=var_name;
 {
-var246 = ((val*(*)(val* self))(var237->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var237); /* native_to_s on <var237:NativeArray[String]>*/
+var342 = ((val*(*)(val* self))(var325->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var325); /* native_to_s on <var325:NativeArray[String]>*/
 }
-varonce236 = var237;
+varonce324 = var325;
 {
-nitc___nitc__ModelBuilder___error(var233, var_node, var246); /* Direct call modelbuilder_base#ModelBuilder#error on <var233:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var321, var_node, var342); /* Direct call modelbuilder_base$ModelBuilder$error on <var321:ModelBuilder>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline mdoc#MEntity#deprecation (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
-var249 = var_mproperty->attrs[COLOR_nitc__mdoc__MEntity___deprecation].val; /* _deprecation on <var_mproperty:nullable MProperty(MMethod)> */
-var247 = var249;
-RET_LABEL248:(void)0;
+{ /* Inline mdoc$MEntity$deprecation (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
+var345 = var_mproperty->attrs[COLOR_nitc__mdoc__MEntity___deprecation].val; /* _deprecation on <var_mproperty:nullable MProperty(MMethod)> */
+var343 = var345;
+RET_LABEL344:(void)0;
 }
 }
-var_info = var247;
+var_info = var343;
 if (var_info == NULL) {
-var251 = 0; /* is null */
+var347 = 0; /* is null */
 } else {
-var251 = 1; /* arg is null and recv is not */
+var347 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_info,((val*)NULL)) on <var_info:nullable MDeprecationInfo> */
-var_other254 = ((val*)NULL);
+{ /* Inline kernel$Object$!= (var_info,((val*)NULL)) on <var_info:nullable MDeprecationInfo> */
+var_other350 = ((val*)NULL);
 {
-var255 = ((short int(*)(val* self, val* p0))(var_info->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_info, var_other254); /* == on <var_info:nullable MDeprecationInfo(MDeprecationInfo)>*/
+var351 = ((short int(*)(val* self, val* p0))(var_info->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_info, var_other350); /* == on <var_info:nullable MDeprecationInfo(MDeprecationInfo)>*/
 }
-var256 = !var255;
-var252 = var256;
-goto RET_LABEL253;
-RET_LABEL253:(void)0;
+var352 = !var351;
+var348 = var352;
+goto RET_LABEL349;
+RET_LABEL349:(void)0;
 }
-var251 = var252;
+var347 = var348;
 }
-var_257 = var251;
-if (var251){
+var_353 = var347;
+if (var347){
 {
-{ /* Inline typing#TypeVisitor#mpropdef (self) on <self:TypeVisitor> */
-var260 = self->attrs[COLOR_nitc__typing__TypeVisitor___mpropdef].val; /* _mpropdef on <self:TypeVisitor> */
-var258 = var260;
-RET_LABEL259:(void)0;
+{ /* Inline typing$TypeVisitor$mpropdef (self) on <self:TypeVisitor> */
+var356 = self->attrs[COLOR_nitc__typing__TypeVisitor___mpropdef].val; /* _mpropdef on <self:TypeVisitor> */
+var354 = var356;
+RET_LABEL355:(void)0;
 }
 }
-if (var258 == NULL) {
+if (var354 == 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__typing, 355);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 359);
 fatal_exit(1);
 } else {
-{ /* Inline model#MPropDef#mproperty (var258) on <var258:nullable MPropDef> */
-if (unlikely(var258 == NULL)) {
+{ /* Inline model$MPropDef$mproperty (var354) on <var354:nullable MPropDef> */
+if (unlikely(var354 == 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__model, 2230);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2357);
 fatal_exit(1);
 }
-var263 = var258->attrs[COLOR_nitc__model__MPropDef___mproperty].val; /* _mproperty on <var258:nullable MPropDef> */
-if (unlikely(var263 == NULL)) {
+var359 = var354->attrs[COLOR_nitc__model__MPropDef___mproperty].val; /* _mproperty on <var354:nullable MPropDef> */
+if (unlikely(var359 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2230);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2357);
 fatal_exit(1);
 }
-var261 = var263;
-RET_LABEL262:(void)0;
+var357 = var359;
+RET_LABEL358:(void)0;
 }
 }
 {
-{ /* Inline mdoc#MEntity#deprecation (var261) on <var261:MProperty> */
-var266 = var261->attrs[COLOR_nitc__mdoc__MEntity___deprecation].val; /* _deprecation on <var261:MProperty> */
-var264 = var266;
-RET_LABEL265:(void)0;
+{ /* Inline mdoc$MEntity$deprecation (var357) on <var357:MProperty> */
+var362 = var357->attrs[COLOR_nitc__mdoc__MEntity___deprecation].val; /* _deprecation on <var357:MProperty> */
+var360 = var362;
+RET_LABEL361:(void)0;
 }
 }
-if (var264 == NULL) {
-var267 = 1; /* is null */
+if (var360 == NULL) {
+var363 = 1; /* is null */
 } else {
-var267 = 0; /* arg is null but recv is not */
+var363 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var264,((val*)NULL)) on <var264:nullable MDeprecationInfo> */
+{ /* Inline kernel$Object$== (var360,((val*)NULL)) on <var360:nullable MDeprecationInfo> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var264,var_other) on <var264:nullable MDeprecationInfo(MDeprecationInfo)> */
-var272 = var264 == var_other;
-var270 = var272;
-goto RET_LABEL271;
-RET_LABEL271:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var360,var_other) on <var360:nullable MDeprecationInfo(MDeprecationInfo)> */
+var368 = var360 == var_other;
+var366 = var368;
+goto RET_LABEL367;
+RET_LABEL367:(void)0;
 }
 }
-var268 = var270;
-goto RET_LABEL269;
-RET_LABEL269:(void)0;
+var364 = var366;
+goto RET_LABEL365;
+RET_LABEL365:(void)0;
 }
-var267 = var268;
+var363 = var364;
 }
-var250 = var267;
+var346 = var363;
 } else {
-var250 = var_257;
+var346 = var_353;
 }
-if (var250){
+if (var346){
 {
-{ /* Inline mdoc#MDeprecationInfo#mdoc (var_info) on <var_info:nullable MDeprecationInfo(MDeprecationInfo)> */
-var275 = var_info->attrs[COLOR_nitc__mdoc__MDeprecationInfo___mdoc].val; /* _mdoc on <var_info:nullable MDeprecationInfo(MDeprecationInfo)> */
-var273 = var275;
-RET_LABEL274:(void)0;
+{ /* Inline mdoc$MDeprecationInfo$mdoc (var_info) on <var_info:nullable MDeprecationInfo(MDeprecationInfo)> */
+var371 = var_info->attrs[COLOR_nitc__mdoc__MDeprecationInfo___mdoc].val; /* _mdoc on <var_info:nullable MDeprecationInfo(MDeprecationInfo)> */
+var369 = var371;
+RET_LABEL370:(void)0;
 }
 }
-var_mdoc = var273;
+var_mdoc = var369;
 if (var_mdoc == NULL) {
-var276 = 0; /* is null */
+var372 = 0; /* is null */
 } else {
-var276 = 1; /* arg is null and recv is not */
+var372 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_mdoc,((val*)NULL)) on <var_mdoc:nullable MDoc> */
-var_other254 = ((val*)NULL);
+{ /* Inline kernel$Object$!= (var_mdoc,((val*)NULL)) on <var_mdoc:nullable MDoc> */
+var_other350 = ((val*)NULL);
 {
-var279 = ((short int(*)(val* self, val* p0))(var_mdoc->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_mdoc, var_other254); /* == on <var_mdoc:nullable MDoc(MDoc)>*/
+var375 = ((short int(*)(val* self, val* p0))(var_mdoc->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_mdoc, var_other350); /* == on <var_mdoc:nullable MDoc(MDoc)>*/
 }
-var280 = !var279;
-var277 = var280;
-goto RET_LABEL278;
-RET_LABEL278:(void)0;
+var376 = !var375;
+var373 = var376;
+goto RET_LABEL374;
+RET_LABEL374:(void)0;
 }
-var276 = var277;
+var372 = var373;
 }
-if (var276){
+if (var372){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var283 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var283 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var379 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var379 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var281 = var283;
-RET_LABEL282:(void)0;
+var377 = var379;
+RET_LABEL378:(void)0;
 }
 }
-if (likely(varonce284!=NULL)) {
-var285 = varonce284;
+if (likely(varonce380!=NULL)) {
+var381 = varonce380;
 } else {
-var286 = "deprecated-method";
-var287 = core__flat___NativeString___to_s_full(var286, 17l, 17l);
-var285 = var287;
-varonce284 = var285;
+var382 = "deprecated-method";
+var384 = (val*)(17l<<2|1);
+var385 = (val*)(17l<<2|1);
+var386 = (val*)((long)(0)<<2|3);
+var387 = (val*)((long)(0)<<2|3);
+var383 = core__flat___CString___to_s_unsafe(var382, var384, var385, var386, var387);
+var381 = var383;
+varonce380 = var381;
 }
-if (unlikely(varonce288==NULL)) {
-var289 = NEW_core__NativeArray(4l, &type_core__NativeArray__core__String);
-if (likely(varonce290!=NULL)) {
-var291 = varonce290;
+if (unlikely(varonce388==NULL)) {
+var389 = NEW_core__NativeArray((int)4l, &type_core__NativeArray__core__String);
+if (likely(varonce390!=NULL)) {
+var391 = varonce390;
 } else {
-var292 = "Deprecation Warning: method `";
-var293 = core__flat___NativeString___to_s_full(var292, 29l, 29l);
-var291 = var293;
-varonce290 = var291;
+var392 = "Deprecation Warning: method `";
+var394 = (val*)(29l<<2|1);
+var395 = (val*)(29l<<2|1);
+var396 = (val*)((long)(0)<<2|3);
+var397 = (val*)((long)(0)<<2|3);
+var393 = core__flat___CString___to_s_unsafe(var392, var394, var395, var396, var397);
+var391 = var393;
+varonce390 = var391;
 }
-((struct instance_core__NativeArray*)var289)->values[0]=var291;
-if (likely(varonce294!=NULL)) {
-var295 = varonce294;
+((struct instance_core__NativeArray*)var389)->values[0]=var391;
+if (likely(varonce398!=NULL)) {
+var399 = varonce398;
 } else {
-var296 = "` is deprecated: ";
-var297 = core__flat___NativeString___to_s_full(var296, 17l, 17l);
-var295 = var297;
-varonce294 = var295;
+var400 = "` is deprecated: ";
+var402 = (val*)(17l<<2|1);
+var403 = (val*)(17l<<2|1);
+var404 = (val*)((long)(0)<<2|3);
+var405 = (val*)((long)(0)<<2|3);
+var401 = core__flat___CString___to_s_unsafe(var400, var402, var403, var404, var405);
+var399 = var401;
+varonce398 = var399;
 }
-((struct instance_core__NativeArray*)var289)->values[2]=var295;
+((struct instance_core__NativeArray*)var389)->values[2]=var399;
 } else {
-var289 = varonce288;
-varonce288 = NULL;
+var389 = varonce388;
+varonce388 = NULL;
 }
-((struct instance_core__NativeArray*)var289)->values[1]=var_name;
+((struct instance_core__NativeArray*)var389)->values[1]=var_name;
 {
-{ /* Inline mdoc#MDoc#content (var_mdoc) on <var_mdoc:nullable MDoc(MDoc)> */
-var300 = var_mdoc->attrs[COLOR_nitc__mdoc__MDoc___content].val; /* _content on <var_mdoc:nullable MDoc(MDoc)> */
-if (unlikely(var300 == NULL)) {
+{ /* Inline mdoc$MDoc$content (var_mdoc) on <var_mdoc:nullable MDoc(MDoc)> */
+var408 = var_mdoc->attrs[COLOR_nitc__mdoc__MDoc___content].val; /* _content on <var_mdoc:nullable MDoc(MDoc)> */
+if (unlikely(var408 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _content");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mdoc, 23);
 fatal_exit(1);
 }
-var298 = var300;
-RET_LABEL299:(void)0;
+var406 = var408;
+RET_LABEL407:(void)0;
 }
 }
 {
-var301 = core___core__SequenceRead___Collection__first(var298);
+var409 = core___core__SequenceRead___Collection__first(var406);
 }
-((struct instance_core__NativeArray*)var289)->values[3]=var301;
+((struct instance_core__NativeArray*)var389)->values[3]=var409;
 {
-var302 = ((val*(*)(val* self))(var289->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var289); /* native_to_s on <var289:NativeArray[String]>*/
+var410 = ((val*(*)(val* self))(var389->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var389); /* native_to_s on <var389:NativeArray[String]>*/
 }
-varonce288 = var289;
+varonce388 = var389;
 {
-nitc___nitc__ModelBuilder___warning(var281, var_node, var285, var302); /* Direct call modelbuilder_base#ModelBuilder#warning on <var281:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var377, var_node, var381, var410); /* Direct call modelbuilder_base$ModelBuilder$warning on <var377:ModelBuilder>*/
 }
 } else {
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var305 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var305 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var413 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var413 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var303 = var305;
-RET_LABEL304:(void)0;
-}
-}
-if (likely(varonce306!=NULL)) {
-var307 = varonce306;
-} else {
-var308 = "deprecated-method";
-var309 = core__flat___NativeString___to_s_full(var308, 17l, 17l);
-var307 = var309;
-varonce306 = var307;
-}
-if (unlikely(varonce310==NULL)) {
-var311 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce312!=NULL)) {
-var313 = varonce312;
-} else {
-var314 = "Deprecation Warning: method `";
-var315 = core__flat___NativeString___to_s_full(var314, 29l, 29l);
-var313 = var315;
-varonce312 = var313;
-}
-((struct instance_core__NativeArray*)var311)->values[0]=var313;
-if (likely(varonce316!=NULL)) {
-var317 = varonce316;
-} else {
-var318 = "` is deprecated.";
-var319 = core__flat___NativeString___to_s_full(var318, 16l, 16l);
-var317 = var319;
-varonce316 = var317;
+var411 = var413;
+RET_LABEL412:(void)0;
+}
+}
+if (likely(varonce414!=NULL)) {
+var415 = varonce414;
+} else {
+var416 = "deprecated-method";
+var418 = (val*)(17l<<2|1);
+var419 = (val*)(17l<<2|1);
+var420 = (val*)((long)(0)<<2|3);
+var421 = (val*)((long)(0)<<2|3);
+var417 = core__flat___CString___to_s_unsafe(var416, var418, var419, var420, var421);
+var415 = var417;
+varonce414 = var415;
+}
+if (unlikely(varonce422==NULL)) {
+var423 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce424!=NULL)) {
+var425 = varonce424;
+} else {
+var426 = "Deprecation Warning: method `";
+var428 = (val*)(29l<<2|1);
+var429 = (val*)(29l<<2|1);
+var430 = (val*)((long)(0)<<2|3);
+var431 = (val*)((long)(0)<<2|3);
+var427 = core__flat___CString___to_s_unsafe(var426, var428, var429, var430, var431);
+var425 = var427;
+varonce424 = var425;
+}
+((struct instance_core__NativeArray*)var423)->values[0]=var425;
+if (likely(varonce432!=NULL)) {
+var433 = varonce432;
+} else {
+var434 = "` is deprecated.";
+var436 = (val*)(16l<<2|1);
+var437 = (val*)(16l<<2|1);
+var438 = (val*)((long)(0)<<2|3);
+var439 = (val*)((long)(0)<<2|3);
+var435 = core__flat___CString___to_s_unsafe(var434, var436, var437, var438, var439);
+var433 = var435;
+varonce432 = var433;
 }
-((struct instance_core__NativeArray*)var311)->values[2]=var317;
+((struct instance_core__NativeArray*)var423)->values[2]=var433;
 } else {
-var311 = varonce310;
-varonce310 = NULL;
+var423 = varonce422;
+varonce422 = NULL;
 }
-((struct instance_core__NativeArray*)var311)->values[1]=var_name;
+((struct instance_core__NativeArray*)var423)->values[1]=var_name;
 {
-var320 = ((val*(*)(val* self))(var311->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var311); /* native_to_s on <var311:NativeArray[String]>*/
+var440 = ((val*(*)(val* self))(var423->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var423); /* native_to_s on <var423:NativeArray[String]>*/
 }
-varonce310 = var311;
+varonce422 = var423;
 {
-nitc___nitc__ModelBuilder___warning(var303, var_node, var307, var320); /* Direct call modelbuilder_base#ModelBuilder#warning on <var303:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var411, var_node, var415, var440); /* Direct call modelbuilder_base$ModelBuilder$warning on <var411:ModelBuilder>*/
 }
 }
 } else {
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
-var323 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
-if (unlikely(var323 == NULL)) {
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
+var443 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
+if (unlikely(var443 == 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__typing, 37);
 fatal_exit(1);
 }
-var321 = var323;
-RET_LABEL322:(void)0;
+var441 = var443;
+RET_LABEL442:(void)0;
 }
 }
 {
-var324 = nitc___nitc__MProperty___lookup_definitions(var_mproperty, var321, var_unsafe_type);
+var444 = nitc___nitc__MProperty___lookup_definitions(var_mproperty, var441, var_unsafe_type);
 }
-var_propdefs = var324;
+var_propdefs = var444;
 {
-{ /* Inline array#AbstractArrayRead#length (var_propdefs) on <var_propdefs:Array[MMethodDef]> */
-var327 = var_propdefs->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_propdefs:Array[MMethodDef]> */
-var325 = var327;
-RET_LABEL326:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_propdefs) on <var_propdefs:Array[MMethodDef]> */
+var447 = var_propdefs->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_propdefs:Array[MMethodDef]> */
+var445 = var447;
+RET_LABEL446:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var325,0l) on <var325:Int> */
-var330 = var325 == 0l;
-var328 = var330;
-goto RET_LABEL329;
-RET_LABEL329:(void)0;
+{ /* Inline kernel$Int$== (var445,0l) on <var445:Int> */
+var450 = var445 == 0l;
+var448 = var450;
+goto RET_LABEL449;
+RET_LABEL449:(void)0;
 }
 }
-if (var328){
+if (var448){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var333 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var333 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var453 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var453 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var331 = var333;
-RET_LABEL332:(void)0;
+var451 = var453;
+RET_LABEL452:(void)0;
 }
 }
-if (unlikely(varonce334==NULL)) {
-var335 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce336!=NULL)) {
-var337 = varonce336;
+if (unlikely(varonce454==NULL)) {
+var455 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce456!=NULL)) {
+var457 = varonce456;
 } else {
-var338 = "Type Error: no definition found for property `";
-var339 = core__flat___NativeString___to_s_full(var338, 46l, 46l);
-var337 = var339;
-varonce336 = var337;
+var458 = "Type Error: no definition found for property `";
+var460 = (val*)(46l<<2|1);
+var461 = (val*)(46l<<2|1);
+var462 = (val*)((long)(0)<<2|3);
+var463 = (val*)((long)(0)<<2|3);
+var459 = core__flat___CString___to_s_unsafe(var458, var460, var461, var462, var463);
+var457 = var459;
+varonce456 = var457;
 }
-((struct instance_core__NativeArray*)var335)->values[0]=var337;
-if (likely(varonce340!=NULL)) {
-var341 = varonce340;
+((struct instance_core__NativeArray*)var455)->values[0]=var457;
+if (likely(varonce464!=NULL)) {
+var465 = varonce464;
 } else {
-var342 = "` in `";
-var343 = core__flat___NativeString___to_s_full(var342, 6l, 6l);
-var341 = var343;
-varonce340 = var341;
+var466 = "` in `";
+var468 = (val*)(6l<<2|1);
+var469 = (val*)(6l<<2|1);
+var470 = (val*)((long)(0)<<2|3);
+var471 = (val*)((long)(0)<<2|3);
+var467 = core__flat___CString___to_s_unsafe(var466, var468, var469, var470, var471);
+var465 = var467;
+varonce464 = var465;
 }
-((struct instance_core__NativeArray*)var335)->values[2]=var341;
-if (likely(varonce344!=NULL)) {
-var345 = varonce344;
+((struct instance_core__NativeArray*)var455)->values[2]=var465;
+if (likely(varonce472!=NULL)) {
+var473 = varonce472;
 } else {
-var346 = "`.";
-var347 = core__flat___NativeString___to_s_full(var346, 2l, 2l);
-var345 = var347;
-varonce344 = var345;
+var474 = "`.";
+var476 = (val*)(2l<<2|1);
+var477 = (val*)(2l<<2|1);
+var478 = (val*)((long)(0)<<2|3);
+var479 = (val*)((long)(0)<<2|3);
+var475 = core__flat___CString___to_s_unsafe(var474, var476, var477, var478, var479);
+var473 = var475;
+varonce472 = var473;
 }
-((struct instance_core__NativeArray*)var335)->values[4]=var345;
+((struct instance_core__NativeArray*)var455)->values[4]=var473;
 } else {
-var335 = varonce334;
-varonce334 = NULL;
+var455 = varonce454;
+varonce454 = NULL;
 }
-((struct instance_core__NativeArray*)var335)->values[1]=var_name;
+((struct instance_core__NativeArray*)var455)->values[1]=var_name;
 {
-var348 = ((val*(*)(val* self))(var_unsafe_type->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_unsafe_type); /* to_s on <var_unsafe_type:MType>*/
+var480 = ((val*(*)(val* self))(var_unsafe_type->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_unsafe_type); /* to_s on <var_unsafe_type:MType>*/
 }
-((struct instance_core__NativeArray*)var335)->values[3]=var348;
+((struct instance_core__NativeArray*)var455)->values[3]=var480;
 {
-var349 = ((val*(*)(val* self))(var335->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var335); /* native_to_s on <var335:NativeArray[String]>*/
+var481 = ((val*(*)(val* self))(var455->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var455); /* native_to_s on <var455:NativeArray[String]>*/
 }
-varonce334 = var335;
+varonce454 = var455;
 {
-nitc___nitc__ModelBuilder___error(var331, var_node, var349); /* Direct call modelbuilder_base#ModelBuilder#error on <var331:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var451, var_node, var481); /* Direct call modelbuilder_base$ModelBuilder$error on <var451:ModelBuilder>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 {
-{ /* Inline array#AbstractArrayRead#length (var_propdefs) on <var_propdefs:Array[MMethodDef]> */
-var352 = var_propdefs->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_propdefs:Array[MMethodDef]> */
-var350 = var352;
-RET_LABEL351:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_propdefs) on <var_propdefs:Array[MMethodDef]> */
+var484 = var_propdefs->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_propdefs:Array[MMethodDef]> */
+var482 = var484;
+RET_LABEL483:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var350,1l) on <var350:Int> */
-var355 = var350 == 1l;
-var353 = var355;
-goto RET_LABEL354;
-RET_LABEL354:(void)0;
+{ /* Inline kernel$Int$== (var482,1l) on <var482:Int> */
+var487 = var482 == 1l;
+var485 = var487;
+goto RET_LABEL486;
+RET_LABEL486:(void)0;
 }
 }
-if (var353){
+if (var485){
 {
-var356 = core___core__SequenceRead___Collection__first(var_propdefs);
+var488 = core___core__SequenceRead___Collection__first(var_propdefs);
 }
-var_mpropdef = var356;
+var_mpropdef = var488;
 } else {
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var359 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var359 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var491 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var491 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var357 = var359;
-RET_LABEL358:(void)0;
+var489 = var491;
+RET_LABEL490:(void)0;
 }
 }
-if (likely(varonce360!=NULL)) {
-var361 = varonce360;
+if (likely(varonce492!=NULL)) {
+var493 = varonce492;
 } else {
-var362 = "property-conflict";
-var363 = core__flat___NativeString___to_s_full(var362, 17l, 17l);
-var361 = var363;
-varonce360 = var361;
+var494 = "property-conflict";
+var496 = (val*)(17l<<2|1);
+var497 = (val*)(17l<<2|1);
+var498 = (val*)((long)(0)<<2|3);
+var499 = (val*)((long)(0)<<2|3);
+var495 = core__flat___CString___to_s_unsafe(var494, var496, var497, var498, var499);
+var493 = var495;
+varonce492 = var493;
 }
-if (unlikely(varonce364==NULL)) {
-var365 = NEW_core__NativeArray(6l, &type_core__NativeArray__core__String);
-if (likely(varonce366!=NULL)) {
-var367 = varonce366;
+if (unlikely(varonce500==NULL)) {
+var501 = NEW_core__NativeArray((int)6l, &type_core__NativeArray__core__String);
+if (likely(varonce502!=NULL)) {
+var503 = varonce502;
 } else {
-var368 = "Warning: conflicting property definitions for property `";
-var369 = core__flat___NativeString___to_s_full(var368, 56l, 56l);
-var367 = var369;
-varonce366 = var367;
+var504 = "Warning: conflicting property definitions for property `";
+var506 = (val*)(56l<<2|1);
+var507 = (val*)(56l<<2|1);
+var508 = (val*)((long)(0)<<2|3);
+var509 = (val*)((long)(0)<<2|3);
+var505 = core__flat___CString___to_s_unsafe(var504, var506, var507, var508, var509);
+var503 = var505;
+varonce502 = var503;
 }
-((struct instance_core__NativeArray*)var365)->values[0]=var367;
-if (likely(varonce370!=NULL)) {
-var371 = varonce370;
+((struct instance_core__NativeArray*)var501)->values[0]=var503;
+if (likely(varonce510!=NULL)) {
+var511 = varonce510;
 } else {
-var372 = "` in `";
-var373 = core__flat___NativeString___to_s_full(var372, 6l, 6l);
-var371 = var373;
-varonce370 = var371;
+var512 = "` in `";
+var514 = (val*)(6l<<2|1);
+var515 = (val*)(6l<<2|1);
+var516 = (val*)((long)(0)<<2|3);
+var517 = (val*)((long)(0)<<2|3);
+var513 = core__flat___CString___to_s_unsafe(var512, var514, var515, var516, var517);
+var511 = var513;
+varonce510 = var511;
 }
-((struct instance_core__NativeArray*)var365)->values[2]=var371;
-if (likely(varonce374!=NULL)) {
-var375 = varonce374;
+((struct instance_core__NativeArray*)var501)->values[2]=var511;
+if (likely(varonce518!=NULL)) {
+var519 = varonce518;
 } else {
-var376 = "`: ";
-var377 = core__flat___NativeString___to_s_full(var376, 3l, 3l);
-var375 = var377;
-varonce374 = var375;
+var520 = "`: ";
+var522 = (val*)(3l<<2|1);
+var523 = (val*)(3l<<2|1);
+var524 = (val*)((long)(0)<<2|3);
+var525 = (val*)((long)(0)<<2|3);
+var521 = core__flat___CString___to_s_unsafe(var520, var522, var523, var524, var525);
+var519 = var521;
+varonce518 = var519;
 }
-((struct instance_core__NativeArray*)var365)->values[4]=var375;
+((struct instance_core__NativeArray*)var501)->values[4]=var519;
 } else {
-var365 = varonce364;
-varonce364 = NULL;
+var501 = varonce500;
+varonce500 = NULL;
 }
-((struct instance_core__NativeArray*)var365)->values[1]=var_name;
+((struct instance_core__NativeArray*)var501)->values[1]=var_name;
 {
-var378 = ((val*(*)(val* self))(var_unsafe_type->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_unsafe_type); /* to_s on <var_unsafe_type:MType>*/
+var526 = ((val*(*)(val* self))(var_unsafe_type->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_unsafe_type); /* to_s on <var_unsafe_type:MType>*/
 }
-((struct instance_core__NativeArray*)var365)->values[3]=var378;
-if (likely(varonce379!=NULL)) {
-var380 = varonce379;
+((struct instance_core__NativeArray*)var501)->values[3]=var526;
+if (likely(varonce527!=NULL)) {
+var528 = varonce527;
 } else {
-var381 = " ";
-var382 = core__flat___NativeString___to_s_full(var381, 1l, 1l);
-var380 = var382;
-varonce379 = var380;
+var529 = " ";
+var531 = (val*)(1l<<2|1);
+var532 = (val*)(1l<<2|1);
+var533 = (val*)((long)(0)<<2|3);
+var534 = (val*)((long)(0)<<2|3);
+var530 = core__flat___CString___to_s_unsafe(var529, var531, var532, var533, var534);
+var528 = var530;
+varonce527 = var528;
 }
 {
-var383 = core__abstract_text___Collection___join(var_propdefs, var380);
+var535 = core__abstract_text___Collection___join(var_propdefs, var528, ((val*)NULL));
 }
-((struct instance_core__NativeArray*)var365)->values[5]=var383;
+((struct instance_core__NativeArray*)var501)->values[5]=var535;
 {
-var384 = ((val*(*)(val* self))(var365->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var365); /* native_to_s on <var365:NativeArray[String]>*/
+var536 = ((val*(*)(val* self))(var501->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var501); /* native_to_s on <var501:NativeArray[String]>*/
 }
-varonce364 = var365;
+varonce500 = var501;
 {
-nitc___nitc__ModelBuilder___warning(var357, var_node, var361, var384); /* Direct call modelbuilder_base#ModelBuilder#warning on <var357:ModelBuilder>*/
+nitc___nitc__ModelBuilder___warning(var489, var_node, var493, var536); /* Direct call modelbuilder_base$ModelBuilder$warning on <var489:ModelBuilder>*/
 }
 {
-{ /* Inline model#MProperty#intro (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
-var387 = var_mproperty->attrs[COLOR_nitc__model__MProperty___intro].val; /* _intro on <var_mproperty:nullable MProperty(MMethod)> */
-if (unlikely(var387 == NULL)) {
+{ /* Inline model$MProperty$intro (var_mproperty) on <var_mproperty:nullable MProperty(MMethod)> */
+var539 = var_mproperty->attrs[COLOR_nitc__model__MProperty___intro].val; /* _intro on <var_mproperty:nullable MProperty(MMethod)> */
+if (unlikely(var539 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1986);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2097);
 fatal_exit(1);
 }
-var385 = var387;
-RET_LABEL386:(void)0;
+var537 = var539;
+RET_LABEL538:(void)0;
 }
 }
-var_mpropdef = var385;
+var_mpropdef = var537;
 }
 }
 {
-{ /* Inline model#MMethodDef#new_msignature (var_mpropdef) on <var_mpropdef:nullable Object(MMethodDef)> */
-var391 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___new_msignature].val; /* _new_msignature on <var_mpropdef:nullable Object(MMethodDef)> */
-var389 = var391;
-RET_LABEL390:(void)0;
+{ /* Inline model$MMethodDef$new_msignature (var_mpropdef) on <var_mpropdef:nullable Object(MMethodDef)> */
+var543 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___new_msignature].val; /* _new_msignature on <var_mpropdef:nullable Object(MMethodDef)> */
+var541 = var543;
+RET_LABEL542:(void)0;
 }
 }
-if (var389!=NULL) {
-var388 = var389;
+if (var541!=NULL) {
+var540 = var541;
 } else {
 {
-{ /* Inline model#MMethodDef#msignature (var_mpropdef) on <var_mpropdef:nullable Object(MMethodDef)> */
-var394 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___msignature].val; /* _msignature on <var_mpropdef:nullable Object(MMethodDef)> */
-var392 = var394;
-RET_LABEL393:(void)0;
+{ /* Inline model$MMethodDef$msignature (var_mpropdef) on <var_mpropdef:nullable Object(MMethodDef)> */
+var546 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___msignature].val; /* _msignature on <var_mpropdef:nullable Object(MMethodDef)> */
+var544 = var546;
+RET_LABEL545:(void)0;
 }
 }
-var388 = var392;
+var540 = var544;
 }
-var_msignature = var388;
+var_msignature = var540;
 if (var_msignature == NULL) {
-var395 = 1; /* is null */
+var547 = 1; /* is null */
 } else {
-var395 = 0; /* arg is null but recv is not */
+var547 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_msignature,((val*)NULL)) on <var_msignature:nullable MSignature> */
+{ /* Inline kernel$Object$== (var_msignature,((val*)NULL)) on <var_msignature:nullable MSignature> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_msignature,var_other) on <var_msignature:nullable MSignature(MSignature)> */
-var400 = var_msignature == var_other;
-var398 = var400;
-goto RET_LABEL399;
-RET_LABEL399:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_msignature,var_other) on <var_msignature:nullable MSignature(MSignature)> */
+var552 = var_msignature == var_other;
+var550 = var552;
+goto RET_LABEL551;
+RET_LABEL551:(void)0;
 }
 }
-var396 = var398;
-goto RET_LABEL397;
-RET_LABEL397:(void)0;
+var548 = var550;
+goto RET_LABEL549;
+RET_LABEL549:(void)0;
 }
-var395 = var396;
+var547 = var548;
 }
-if (var395){
+if (var547){
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 {
-var401 = nitc__typing___nitc__typing__TypeVisitor___resolve_for(self, var_msignature, var_recvtype, var_recv_is_self);
+var553 = nitc__typing___nitc__typing__TypeVisitor___resolve_for(self, var_msignature, var_recvtype, var_recv_is_self);
 }
-/* <var401:MType> isa MSignature */
-cltype403 = type_nitc__MSignature.color;
-idtype404 = type_nitc__MSignature.id;
-if(cltype403 >= var401->type->table_size) {
-var402 = 0;
+/* <var553:MType> isa MSignature */
+cltype555 = type_nitc__MSignature.color;
+idtype556 = type_nitc__MSignature.id;
+if(cltype555 >= var553->type->table_size) {
+var554 = 0;
 } else {
-var402 = var401->type->type_table[cltype403] == idtype404;
+var554 = var553->type->type_table[cltype555] == idtype556;
 }
-if (unlikely(!var402)) {
-var_class_name = var401 == NULL ? "null" : var401->type->name;
+if (unlikely(!var554)) {
+var_class_name = var553 == NULL ? "null" : var553->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "MSignature", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 379);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 383);
 fatal_exit(1);
 }
-var_msignature = var401;
+var_msignature = var553;
 var_erasure_cast = 0;
 {
-{ /* Inline model#MMethodDef#msignature (var_mpropdef) on <var_mpropdef:nullable Object(MMethodDef)> */
-var407 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___msignature].val; /* _msignature on <var_mpropdef:nullable Object(MMethodDef)> */
-var405 = var407;
-RET_LABEL406:(void)0;
+{ /* Inline model$MMethodDef$msignature (var_mpropdef) on <var_mpropdef:nullable Object(MMethodDef)> */
+var559 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___msignature].val; /* _msignature on <var_mpropdef:nullable Object(MMethodDef)> */
+var557 = var559;
+RET_LABEL558:(void)0;
+}
 }
+if (var557 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (var405 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 382);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 386);
 fatal_exit(1);
 } else {
-{ /* Inline model#MSignature#return_mtype (var405) on <var405:nullable MSignature> */
-if (unlikely(var405 == NULL)) {
+{ /* Inline model$MSignature$return_mtype (var557) on <var557:nullable MSignature> */
+if (unlikely(var557 == 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__model, 1795);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1891);
 fatal_exit(1);
 }
-var410 = var405->attrs[COLOR_nitc__model__MSignature___return_mtype].val; /* _return_mtype on <var405:nullable MSignature> */
-var408 = var410;
-RET_LABEL409:(void)0;
+var562 = var557->attrs[COLOR_nitc__model__MSignature___return_mtype].val; /* _return_mtype on <var557:nullable MSignature> */
+var560 = var562;
+RET_LABEL561:(void)0;
 }
 }
-var_rettype = var408;
-var412 = !var_recv_is_self;
-var_413 = var412;
-if (var412){
+var_rettype = var560;
+var564 = !var_recv_is_self;
+var_565 = var564;
+if (var564){
 if (var_rettype == NULL) {
-var414 = 0; /* is null */
+var566 = 0; /* is null */
 } else {
-var414 = 1; /* arg is null and recv is not */
+var566 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_rettype,((val*)NULL)) on <var_rettype:nullable MType> */
-var_other254 = ((val*)NULL);
+{ /* Inline kernel$Object$!= (var_rettype,((val*)NULL)) on <var_rettype:nullable MType> */
+var_other350 = ((val*)NULL);
 {
-var417 = ((short int(*)(val* self, val* p0))(var_rettype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_rettype, var_other254); /* == on <var_rettype:nullable MType(MType)>*/
+var569 = ((short int(*)(val* self, val* p0))(var_rettype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_rettype, var_other350); /* == on <var_rettype:nullable MType(MType)>*/
 }
-var418 = !var417;
-var415 = var418;
-goto RET_LABEL416;
-RET_LABEL416:(void)0;
+var570 = !var569;
+var567 = var570;
+goto RET_LABEL568;
+RET_LABEL568:(void)0;
 }
-var414 = var415;
+var566 = var567;
 }
-var411 = var414;
+var563 = var566;
 } else {
-var411 = var_413;
+var563 = var_565;
 }
-if (var411){
+if (var563){
 {
-var419 = ((val*(*)(val* self))(var_rettype->class->vft[COLOR_nitc__model__MType__undecorate]))(var_rettype); /* undecorate on <var_rettype:nullable MType(MType)>*/
+var571 = ((val*(*)(val* self))(var_rettype->class->vft[COLOR_nitc__model__MType__undecorate]))(var_rettype); /* undecorate on <var_rettype:nullable MType(MType)>*/
 }
-var_rettype = var419;
+var_rettype = var571;
 /* <var_rettype:nullable MType(MType)> isa MParameterType */
-cltype421 = type_nitc__MParameterType.color;
-idtype422 = type_nitc__MParameterType.id;
-if(cltype421 >= var_rettype->type->table_size) {
-var420 = 0;
+cltype573 = type_nitc__MParameterType.color;
+idtype574 = type_nitc__MParameterType.id;
+if(cltype573 >= var_rettype->type->table_size) {
+var572 = 0;
 } else {
-var420 = var_rettype->type->type_table[cltype421] == idtype422;
+var572 = var_rettype->type->type_table[cltype573] == idtype574;
 }
-if (var420){
+if (var572){
 {
-{ /* Inline model#MSignature#return_mtype (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
-var425 = var_msignature->attrs[COLOR_nitc__model__MSignature___return_mtype].val; /* _return_mtype on <var_msignature:nullable MSignature(MSignature)> */
-var423 = var425;
-RET_LABEL424:(void)0;
+{ /* Inline model$MSignature$return_mtype (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
+var577 = var_msignature->attrs[COLOR_nitc__model__MSignature___return_mtype].val; /* _return_mtype on <var_msignature:nullable MSignature(MSignature)> */
+var575 = var577;
+RET_LABEL576:(void)0;
 }
 }
-var_erased_rettype = var423;
+var_erased_rettype = var575;
 if (var_erased_rettype == NULL) {
-var426 = 0; /* is null */
+var578 = 0; /* is null */
 } else {
-var426 = 1; /* arg is null and recv is not */
+var578 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_erased_rettype,((val*)NULL)) on <var_erased_rettype:nullable MType> */
-var_other254 = ((val*)NULL);
+{ /* Inline kernel$Object$!= (var_erased_rettype,((val*)NULL)) on <var_erased_rettype:nullable MType> */
+var_other350 = ((val*)NULL);
 {
-var429 = ((short int(*)(val* self, val* p0))(var_erased_rettype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_erased_rettype, var_other254); /* == on <var_erased_rettype:nullable MType(MType)>*/
+var581 = ((short int(*)(val* self, val* p0))(var_erased_rettype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_erased_rettype, var_other350); /* == on <var_erased_rettype:nullable MType(MType)>*/
+}
+var582 = !var581;
+var579 = var582;
+goto RET_LABEL580;
+RET_LABEL580:(void)0;
 }
-var430 = !var429;
-var427 = var430;
-goto RET_LABEL428;
-RET_LABEL428:(void)0;
+var578 = var579;
 }
-var426 = var427;
+if (unlikely(!var578)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (unlikely(!var426)) {
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 387);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 391);
 fatal_exit(1);
 }
 var_erasure_cast = 1;
@@ -4279,66 +5169,69 @@ var_erasure_cast = 1;
 }
 } else {
 }
-var431 = NEW_nitc__CallSite(&type_nitc__CallSite);
+var583 = NEW_nitc__CallSite(&type_nitc__CallSite);
 {
-var432 = ((val*(*)(val* self))(var_node->class->vft[COLOR_nitc__parser_nodes__ANode__hot_location]))(var_node); /* hot_location on <var_node:ANode>*/
+var584 = ((val*(*)(val* self))(var_node->class->vft[COLOR_nitc__parser_nodes__ANode__hot_location]))(var_node); /* hot_location on <var_node:ANode>*/
 }
 {
-{ /* Inline typing#TypeVisitor#mmodule (self) on <self:TypeVisitor> */
-var435 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
-if (unlikely(var435 == NULL)) {
+{ /* Inline typing$TypeVisitor$mmodule (self) on <self:TypeVisitor> */
+var587 = self->attrs[COLOR_nitc__typing__TypeVisitor___mmodule].val; /* _mmodule on <self:TypeVisitor> */
+if (unlikely(var587 == 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__typing, 37);
 fatal_exit(1);
 }
-var433 = var435;
-RET_LABEL434:(void)0;
+var585 = var587;
+RET_LABEL586:(void)0;
 }
 }
 {
-{ /* Inline typing#TypeVisitor#anchor (self) on <self:TypeVisitor> */
-var438 = self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val; /* _anchor on <self:TypeVisitor> */
-var436 = var438;
-RET_LABEL437:(void)0;
+{ /* Inline typing$TypeVisitor$anchor (self) on <self:TypeVisitor> */
+var590 = self->attrs[COLOR_nitc__typing__TypeVisitor___anchor].val; /* _anchor on <self:TypeVisitor> */
+var588 = var590;
+RET_LABEL589:(void)0;
 }
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__location_61d]))(var431, var432); /* location= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__location_61d]))(var583, var584); /* location= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__recv_61d]))(var431, var_recvtype); /* recv= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__recv_61d]))(var583, var_recvtype); /* recv= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__mmodule_61d]))(var431, var433); /* mmodule= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__mmodule_61d]))(var583, var585); /* mmodule= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__anchor_61d]))(var431, var436); /* anchor= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__anchor_61d]))(var583, var588); /* anchor= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, short int p0))(var431->class->vft[COLOR_nitc__typing__CallSite__recv_is_self_61d]))(var431, var_recv_is_self); /* recv_is_self= on <var431:CallSite>*/
+((void(*)(val* self, short int p0))(var583->class->vft[COLOR_nitc__typing__CallSite__recv_is_self_61d]))(var583, var_recv_is_self); /* recv_is_self= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__mproperty_61d]))(var431, var_mproperty); /* mproperty= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__mproperty_61d]))(var583, var_mproperty); /* mproperty= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__mpropdef_61d]))(var431, var_mpropdef); /* mpropdef= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__mpropdef_61d]))(var583, var_mpropdef); /* mpropdef= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, val* p0))(var431->class->vft[COLOR_nitc__typing__CallSite__msignature_61d]))(var431, var_msignature); /* msignature= on <var431:CallSite>*/
+((void(*)(val* self, val* p0))(var583->class->vft[COLOR_nitc__typing__CallSite__msignature_61d]))(var583, var_msignature); /* msignature= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self, short int p0))(var431->class->vft[COLOR_nitc__typing__CallSite__erasure_cast_61d]))(var431, var_erasure_cast); /* erasure_cast= on <var431:CallSite>*/
+((void(*)(val* self, short int p0))(var583->class->vft[COLOR_nitc__typing__CallSite__erasure_cast_61d]))(var583, var_erasure_cast); /* erasure_cast= on <var583:CallSite>*/
 }
 {
-((void(*)(val* self))(var431->class->vft[COLOR_core__kernel__Object__init]))(var431); /* init on <var431:CallSite>*/
+((void(*)(val* self))(var583->class->vft[COLOR_core__kernel__Object__init]))(var583); /* init on <var583:CallSite>*/
 }
-var_callsite = var431;
+var_callsite = var583;
 var = var_callsite;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#try_get_method for (self: TypeVisitor, ANode, MType, String, Bool): nullable CallSite */
+/* method typing$TypeVisitor$try_get_method for (self: TypeVisitor, ANode, MType, String, Bool): nullable CallSite */
 val* nitc__typing___nitc__typing__TypeVisitor___try_get_method(val* self, val* p0, val* p1, val* p2, short int p3) {
 val* var /* : nullable CallSite */;
 val* var_node /* var node: ANode */;
@@ -4373,10 +5266,10 @@ var3 = 1; /* is null */
 var3 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mproperty,((val*)NULL)) on <var_mproperty:nullable MProperty> */
+{ /* Inline kernel$Object$== (var_mproperty,((val*)NULL)) on <var_mproperty:nullable MProperty> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mproperty,var_other) on <var_mproperty:nullable MProperty(MProperty)> */
+{ /* Inline kernel$Object$is_same_instance (var_mproperty,var_other) on <var_mproperty:nullable MProperty(MProperty)> */
 var8 = var_mproperty == var_other;
 var6 = var8;
 goto RET_LABEL7;
@@ -4402,7 +5295,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#check_signature for (self: TypeVisitor, ANode, Array[AExpr], MProperty, MSignature): nullable SignatureMap */
+/* method typing$TypeVisitor$check_signature for (self: TypeVisitor, ANode, Array[AExpr], MProperty, MSignature): nullable SignatureMap */
 val* nitc__typing___nitc__typing__TypeVisitor___check_signature(val* self, val* p0, val* p1, val* p2, val* p3) {
 val* var /* : nullable SignatureMap */;
 val* var_node /* var node: ANode */;
@@ -4433,460 +5326,568 @@ val* var22 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce23;
 val* var24 /* : String */;
-char* var25 /* : NativeString */;
+char* var25 /* : CString */;
 val* var26 /* : String */;
-static val* varonce27;
-val* var28 /* : String */;
-char* var29 /* : NativeString */;
-val* var30 /* : String */;
+val* var27 /* : nullable Int */;
+val* var28 /* : nullable Int */;
+val* var29 /* : nullable Bool */;
+val* var30 /* : nullable Bool */;
 static val* varonce31;
 val* var32 /* : String */;
-char* var33 /* : NativeString */;
+char* var33 /* : CString */;
 val* var34 /* : String */;
-static val* varonce35;
-val* var36 /* : String */;
-char* var37 /* : NativeString */;
-val* var38 /* : String */;
+val* var35 /* : nullable Int */;
+val* var36 /* : nullable Int */;
+val* var37 /* : nullable Bool */;
+val* var38 /* : nullable Bool */;
 static val* varonce39;
 val* var40 /* : String */;
-char* var41 /* : NativeString */;
+char* var41 /* : CString */;
 val* var42 /* : String */;
-long var43 /* : Int */;
-val* var44 /* : String */;
-val* var45 /* : String */;
-val* var46 /* : String */;
-long var47 /* : Int */;
-long var49 /* : Int */;
+val* var43 /* : nullable Int */;
+val* var44 /* : nullable Int */;
+val* var45 /* : nullable Bool */;
+val* var46 /* : nullable Bool */;
+static val* varonce47;
+val* var48 /* : String */;
+char* var49 /* : CString */;
 val* var50 /* : String */;
-val* var51 /* : String */;
-val* var52 /* : String */;
-long var53 /* : Int */;
-long var55 /* : Int */;
-long var56 /* : Int */;
-short int var57 /* : Bool */;
-short int var59 /* : Bool */;
-short int var60 /* : Bool */;
-long var61 /* : Int */;
+val* var51 /* : nullable Int */;
+val* var52 /* : nullable Int */;
+val* var53 /* : nullable Bool */;
+val* var54 /* : nullable Bool */;
+static val* varonce55;
+val* var56 /* : String */;
+char* var57 /* : CString */;
+val* var58 /* : String */;
+val* var59 /* : nullable Int */;
+val* var60 /* : nullable Int */;
+val* var61 /* : nullable Bool */;
+val* var62 /* : nullable Bool */;
 long var63 /* : Int */;
-long var64 /* : Int */;
-short int var65 /* : Bool */;
-short int var67 /* : Bool */;
-int cltype68;
-int idtype69;
-const char* var_class_name70;
-short int var71 /* : Bool */;
-val* var72 /* : ModelBuilder */;
-val* var74 /* : ModelBuilder */;
-val* var76 /* : NativeArray[String] */;
-static val* varonce75;
-static val* varonce77;
-val* var78 /* : String */;
-char* var79 /* : NativeString */;
-val* var80 /* : String */;
-static val* varonce81;
-val* var82 /* : String */;
-char* var83 /* : NativeString */;
-val* var84 /* : String */;
-static val* varonce85;
-val* var86 /* : String */;
-char* var87 /* : NativeString */;
-val* var88 /* : String */;
-static val* varonce89;
-val* var90 /* : String */;
-char* var91 /* : NativeString */;
-val* var92 /* : String */;
-static val* varonce93;
-val* var94 /* : String */;
-char* var95 /* : NativeString */;
-val* var96 /* : String */;
-long var97 /* : Int */;
-val* var98 /* : String */;
-val* var99 /* : String */;
-val* var100 /* : String */;
-long var101 /* : Int */;
-long var103 /* : Int */;
-val* var104 /* : String */;
-val* var105 /* : String */;
+val* var64 /* : String */;
+val* var65 /* : String */;
+val* var66 /* : String */;
+long var67 /* : Int */;
+long var69 /* : Int */;
+val* var70 /* : String */;
+val* var71 /* : String */;
+val* var72 /* : String */;
+long var73 /* : Int */;
+long var75 /* : Int */;
+long var76 /* : Int */;
+short int var77 /* : Bool */;
+short int var79 /* : Bool */;
+short int var80 /* : Bool */;
+long var81 /* : Int */;
+long var83 /* : Int */;
+long var84 /* : Int */;
+short int var85 /* : Bool */;
+short int var87 /* : Bool */;
+int cltype88;
+int idtype89;
+const char* var_class_name90;
+short int var91 /* : Bool */;
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+val* var96 /* : NativeArray[String] */;
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 val* var106 /* : String */;
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 val* var_map /* var map: SignatureMap */;
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 short int var_last_is_padded /* var last_is_padded: Bool */;
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-long var120 /* : Int */;
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 long var_nbargs /* var nbargs: Int */;
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 long var167 /* : Int */;
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+long var193 /* : Int */;
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 long var_ /* var : Int */;
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-int cltype171;
-int idtype172;
-const char* var_class_name173;
-short int var174 /* : Bool */;
-val* var175 /* : nullable Object */;
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+short int var210 /* : Bool */;
+int cltype211;
+int idtype212;
+const char* var_class_name213;
+short int var214 /* : Bool */;
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 val* var_e /* var e: AExpr */;
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-int cltype177;
-int idtype178;
-short int var179 /* : Bool */;
-val* var181 /* : TId */;
-val* var183 /* : TId */;
-val* var184 /* : String */;
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+int idtype218;
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 val* var_name /* var name: String */;
-val* var185 /* : nullable MParameter */;
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 val* var_param /* var param: nullable MParameter */;
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-short int var189 /* : Bool */;
-short int var191 /* : Bool */;
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-val* var205 /* : String */;
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-val* var223 /* : nullable Object */;
-val* var_prev /* var prev: nullable Int */;
-short int var224 /* : Bool */;
-short int var225 /* : Bool */;
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 short int var227 /* : Bool */;
-short int var228 /* : Bool */;
-val* var229 /* : ModelBuilder */;
-val* var231 /* : ModelBuilder */;
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-static val* varonce232;
-static val* varonce234;
-val* var235 /* : String */;
-char* var236 /* : NativeString */;
-val* var237 /* : String */;
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+short int var231 /* : Bool */;
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 static val* varonce238;
-val* var239 /* : String */;
-char* var240 /* : NativeString */;
+static val* varonce240;
 val* var241 /* : String */;
-static val* varonce242;
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 val* var243 /* : String */;
-char* var244 /* : NativeString */;
-val* var245 /* : String */;
-static val* varonce246;
-val* var247 /* : String */;
-char* var248 /* : NativeString */;
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 val* var249 /* : String */;
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+short int var276 /* : Bool */;
+short int var277 /* : Bool */;
+short int var279 /* : Bool */;
+short int var280 /* : Bool */;
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+val* var301 /* : nullable Bool */;
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+val* var307 /* : nullable Int */;
+val* var308 /* : nullable Bool */;
+val* var309 /* : nullable Bool */;
+static val* varonce310;
+val* var311 /* : String */;
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+val* var317 /* : nullable Bool */;
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 long var_min_arity /* var min_arity: Int */;
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-long var273 /* : Int */;
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-long var279 /* : Int */;
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+long var339 /* : Int */;
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+long var341 /* : Int */;
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 long var_vararg_decl /* var vararg_decl: Int */;
 long var_j /* var j: Int */;
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-int idtype371;
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 short int var377 /* : Bool */;
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-short int var382 /* : Bool */;
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 long var383 /* : Int */;
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-int cltype387;
-int idtype388;
-const char* var_class_name389;
-short int var390 /* : Bool */;
-long var391 /* : Int */;
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 short int var393 /* : Bool */;
 int cltype394;
 int idtype395;
 const char* var_class_name396;
-long var397 /* : Int */;
-long var398 /* : Int */;
-short int var399 /* : Bool */;
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 short int var401 /* : Bool */;
 int cltype402;
 int idtype403;
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+long var465 /* : Int */;
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+int cltype470;
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+const char* var_class_name472;
+short int var473 /* : Bool */;
+val* var474 /* : ModelBuilder */;
+val* var476 /* : ModelBuilder */;
+val* var478 /* : NativeArray[String] */;
+static val* varonce477;
+static val* varonce479;
+val* var480 /* : String */;
+char* var481 /* : CString */;
+val* var482 /* : String */;
+val* var483 /* : nullable Int */;
+val* var484 /* : nullable Int */;
+val* var485 /* : nullable Bool */;
+val* var486 /* : nullable Bool */;
+static val* varonce487;
+val* var488 /* : String */;
+char* var489 /* : CString */;
+val* var490 /* : String */;
+val* var491 /* : nullable Int */;
+val* var492 /* : nullable Int */;
+val* var493 /* : nullable Bool */;
+val* var494 /* : nullable Bool */;
+static val* varonce495;
+val* var496 /* : String */;
+char* var497 /* : CString */;
+val* var498 /* : String */;
+val* var499 /* : nullable Int */;
+val* var500 /* : nullable Int */;
+val* var501 /* : nullable Bool */;
+val* var502 /* : nullable Bool */;
+static val* varonce503;
+val* var504 /* : String */;
+char* var505 /* : CString */;
+val* var506 /* : String */;
+val* var507 /* : nullable Int */;
+val* var508 /* : nullable Int */;
+val* var509 /* : nullable Bool */;
+val* var510 /* : nullable Bool */;
+static val* varonce511;
+val* var512 /* : String */;
+char* var513 /* : CString */;
+val* var514 /* : String */;
+val* var515 /* : nullable Int */;
+val* var516 /* : nullable Int */;
+val* var517 /* : nullable Bool */;
+val* var518 /* : nullable Bool */;
+val* var519 /* : String */;
+val* var520 /* : String */;
+val* var521 /* : String */;
+long var522 /* : Int */;
+long var524 /* : Int */;
+val* var525 /* : String */;
+val* var526 /* : String */;
+val* var527 /* : String */;
+val* var528 /* : ModelBuilder */;
+val* var530 /* : ModelBuilder */;
+val* var532 /* : NativeArray[String] */;
+static val* varonce531;
+static val* varonce533;
+val* var534 /* : String */;
+char* var535 /* : CString */;
+val* var536 /* : String */;
+val* var537 /* : nullable Int */;
+val* var538 /* : nullable Int */;
+val* var539 /* : nullable Bool */;
+val* var540 /* : nullable Bool */;
+static val* varonce541;
+val* var542 /* : String */;
+char* var543 /* : CString */;
+val* var544 /* : String */;
+val* var545 /* : nullable Int */;
+val* var546 /* : nullable Int */;
+val* var547 /* : nullable Bool */;
+val* var548 /* : nullable Bool */;
+static val* varonce549;
+val* var550 /* : String */;
+char* var551 /* : CString */;
+val* var552 /* : String */;
+val* var553 /* : nullable Int */;
+val* var554 /* : nullable Int */;
+val* var555 /* : nullable Bool */;
+val* var556 /* : nullable Bool */;
+static val* varonce557;
+val* var558 /* : String */;
+char* var559 /* : CString */;
+val* var560 /* : String */;
+val* var561 /* : nullable Int */;
+val* var562 /* : nullable Int */;
+val* var563 /* : nullable Bool */;
+val* var564 /* : nullable Bool */;
+static val* varonce565;
+val* var566 /* : String */;
+char* var567 /* : CString */;
+val* var568 /* : String */;
+val* var569 /* : nullable Int */;
+val* var570 /* : nullable Int */;
+val* var571 /* : nullable Bool */;
+val* var572 /* : nullable Bool */;
+val* var573 /* : String */;
+val* var574 /* : String */;
+val* var575 /* : String */;
+long var576 /* : Int */;
+long var578 /* : Int */;
+val* var579 /* : String */;
+val* var580 /* : String */;
+val* var581 /* : String */;
+short int var582 /* : Bool */;
+short int var584 /* : Bool */;
+int cltype585;
+int idtype586;
+const char* var_class_name587;
+short int var588 /* : Bool */;
+val* var589 /* : Array[MParameter] */;
+val* var591 /* : Array[MParameter] */;
+val* var592 /* : nullable Object */;
+val* var593 /* : MType */;
+val* var595 /* : MType */;
+val* var_paramtype596 /* var paramtype: MType */;
+val* var597 /* : nullable Object */;
 val* var_first /* var first: AExpr */;
-short int var490 /* : Bool */;
-short int var492 /* : Bool */;
-val* var493 /* : Array[MParameter] */;
-val* var495 /* : Array[MParameter] */;
-val* var496 /* : nullable Object */;
-short int var497 /* : Bool */;
-short int var498 /* : Bool */;
-long var499 /* : Int */;
-short int var501 /* : Bool */;
-int cltype502;
-int idtype503;
-const char* var_class_name504;
-long var505 /* : Int */;
-long var_i507 /* var i: Int */;
-long var508 /* : Int */;
-short int var510 /* : Bool */;
-int cltype511;
-int idtype512;
-const char* var_class_name513;
-long var514 /* : Int */;
-long var_515 /* var : Int */;
-short int var516 /* : Bool */;
-short int var518 /* : Bool */;
-int cltype519;
-int idtype520;
-const char* var_class_name521;
-short int var522 /* : Bool */;
-val* var524 /* : nullable Object */;
-val* var525 /* : nullable MType */;
-long var526 /* : Int */;
+short int var598 /* : Bool */;
+short int var600 /* : Bool */;
+val* var601 /* : Array[MParameter] */;
+val* var603 /* : Array[MParameter] */;
+val* var604 /* : nullable Object */;
+short int var605 /* : Bool */;
+short int var606 /* : Bool */;
+long var607 /* : Int */;
+short int var609 /* : Bool */;
+int cltype610;
+int idtype611;
+const char* var_class_name612;
+long var613 /* : Int */;
+long var_i615 /* var i: Int */;
+long var616 /* : Int */;
+short int var618 /* : Bool */;
+int cltype619;
+int idtype620;
+const char* var_class_name621;
+long var622 /* : Int */;
+long var_623 /* var : Int */;
+short int var624 /* : Bool */;
+short int var626 /* : Bool */;
+int cltype627;
+int idtype628;
+const char* var_class_name629;
+short int var630 /* : Bool */;
+val* var632 /* : nullable Object */;
+val* var633 /* : nullable MType */;
+long var634 /* : Int */;
 var_node = p0;
 var_args = p1;
 var_mproperty = p2;
 var_msignature = p3;
 {
-{ /* Inline model#MSignature#vararg_rank (var_msignature) on <var_msignature:MSignature> */
+{ /* Inline model$MSignature$vararg_rank (var_msignature) on <var_msignature:MSignature> */
 var3 = var_msignature->attrs[COLOR_nitc__model__MSignature___vararg_rank].l; /* _vararg_rank on <var_msignature:MSignature> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -4894,14 +5895,14 @@ RET_LABEL2:(void)0;
 }
 var_vararg_rank = var1;
 {
-{ /* Inline kernel#Int#>= (var_vararg_rank,0l) on <var_vararg_rank:Int> */
+{ /* Inline kernel$Int$>= (var_vararg_rank,0l) on <var_vararg_rank:Int> */
 /* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
 /* <0l:Int> isa OTHER */
 var6 = 1; /* easy <0l:Int> isa OTHER*/
 if (unlikely(!var6)) {
 var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 729);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 726);
 fatal_exit(1);
 }
 var7 = var_vararg_rank >= 0l;
@@ -4912,7 +5913,7 @@ RET_LABEL5:(void)0;
 }
 if (var4){
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
 var10 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
 var8 = var10;
 RET_LABEL9:(void)0;
@@ -4922,14 +5923,14 @@ RET_LABEL9:(void)0;
 var11 = nitc___nitc__MSignature___arity(var_msignature);
 }
 {
-{ /* Inline kernel#Int#< (var8,var11) on <var8:Int> */
+{ /* Inline kernel$Int$< (var8,var11) on <var8:Int> */
 /* Covariant cast for argument 0 (i) <var11:Int> isa OTHER */
 /* <var11:Int> isa OTHER */
 var14 = 1; /* easy <var11:Int> isa OTHER*/
 if (unlikely(!var14)) {
 var_class_name17 = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name17);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
 var18 = var8 < var11;
@@ -4940,9 +5941,12 @@ RET_LABEL13:(void)0;
 }
 if (var12){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var21 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -4952,88 +5956,108 @@ RET_LABEL20:(void)0;
 }
 }
 if (unlikely(varonce==NULL)) {
-var22 = NEW_core__NativeArray(10l, &type_core__NativeArray__core__String);
+var22 = NEW_core__NativeArray((int)10l, &type_core__NativeArray__core__String);
 if (likely(varonce23!=NULL)) {
 var24 = varonce23;
 } else {
 var25 = "Error: expected at least ";
-var26 = core__flat___NativeString___to_s_full(var25, 25l, 25l);
+var27 = (val*)(25l<<2|1);
+var28 = (val*)(25l<<2|1);
+var29 = (val*)((long)(0)<<2|3);
+var30 = (val*)((long)(0)<<2|3);
+var26 = core__flat___CString___to_s_unsafe(var25, var27, var28, var29, var30);
 var24 = var26;
 varonce23 = var24;
 }
 ((struct instance_core__NativeArray*)var22)->values[0]=var24;
-if (likely(varonce27!=NULL)) {
-var28 = varonce27;
-} else {
-var29 = " argument(s) for `";
-var30 = core__flat___NativeString___to_s_full(var29, 18l, 18l);
-var28 = var30;
-varonce27 = var28;
-}
-((struct instance_core__NativeArray*)var22)->values[2]=var28;
 if (likely(varonce31!=NULL)) {
 var32 = varonce31;
 } else {
-var33 = "`; got ";
-var34 = core__flat___NativeString___to_s_full(var33, 7l, 7l);
+var33 = " argument(s) for `";
+var35 = (val*)(18l<<2|1);
+var36 = (val*)(18l<<2|1);
+var37 = (val*)((long)(0)<<2|3);
+var38 = (val*)((long)(0)<<2|3);
+var34 = core__flat___CString___to_s_unsafe(var33, var35, var36, var37, var38);
 var32 = var34;
 varonce31 = var32;
 }
-((struct instance_core__NativeArray*)var22)->values[5]=var32;
-if (likely(varonce35!=NULL)) {
-var36 = varonce35;
-} else {
-var37 = ". See introduction at `";
-var38 = core__flat___NativeString___to_s_full(var37, 23l, 23l);
-var36 = var38;
-varonce35 = var36;
-}
-((struct instance_core__NativeArray*)var22)->values[7]=var36;
+((struct instance_core__NativeArray*)var22)->values[2]=var32;
 if (likely(varonce39!=NULL)) {
 var40 = varonce39;
 } else {
-var41 = "`.";
-var42 = core__flat___NativeString___to_s_full(var41, 2l, 2l);
+var41 = "`; got ";
+var43 = (val*)(7l<<2|1);
+var44 = (val*)(7l<<2|1);
+var45 = (val*)((long)(0)<<2|3);
+var46 = (val*)((long)(0)<<2|3);
+var42 = core__flat___CString___to_s_unsafe(var41, var43, var44, var45, var46);
 var40 = var42;
 varonce39 = var40;
 }
-((struct instance_core__NativeArray*)var22)->values[9]=var40;
+((struct instance_core__NativeArray*)var22)->values[5]=var40;
+if (likely(varonce47!=NULL)) {
+var48 = varonce47;
+} else {
+var49 = ". See introduction at `";
+var51 = (val*)(23l<<2|1);
+var52 = (val*)(23l<<2|1);
+var53 = (val*)((long)(0)<<2|3);
+var54 = (val*)((long)(0)<<2|3);
+var50 = core__flat___CString___to_s_unsafe(var49, var51, var52, var53, var54);
+var48 = var50;
+varonce47 = var48;
+}
+((struct instance_core__NativeArray*)var22)->values[7]=var48;
+if (likely(varonce55!=NULL)) {
+var56 = varonce55;
+} else {
+var57 = "`.";
+var59 = (val*)(2l<<2|1);
+var60 = (val*)(2l<<2|1);
+var61 = (val*)((long)(0)<<2|3);
+var62 = (val*)((long)(0)<<2|3);
+var58 = core__flat___CString___to_s_unsafe(var57, var59, var60, var61, var62);
+var56 = var58;
+varonce55 = var56;
+}
+((struct instance_core__NativeArray*)var22)->values[9]=var56;
 } else {
 var22 = varonce;
 varonce = NULL;
 }
 {
-var43 = nitc___nitc__MSignature___arity(var_msignature);
+var63 = nitc___nitc__MSignature___arity(var_msignature);
 }
-var44 = core__flat___Int___core__abstract_text__Object__to_s(var43);
-((struct instance_core__NativeArray*)var22)->values[1]=var44;
+var64 = core__flat___Int___core__abstract_text__Object__to_s(var63);
+((struct instance_core__NativeArray*)var22)->values[1]=var64;
 {
-var45 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
+var65 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
 }
-((struct instance_core__NativeArray*)var22)->values[3]=var45;
+((struct instance_core__NativeArray*)var22)->values[3]=var65;
 {
-var46 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
+var66 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
 }
-((struct instance_core__NativeArray*)var22)->values[4]=var46;
+((struct instance_core__NativeArray*)var22)->values[4]=var66;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var49 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var47 = var49;
-RET_LABEL48:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var69 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var67 = var69;
+RET_LABEL68:(void)0;
 }
 }
-var50 = core__flat___Int___core__abstract_text__Object__to_s(var47);
-((struct instance_core__NativeArray*)var22)->values[6]=var50;
+var70 = core__flat___Int___core__abstract_text__Object__to_s(var67);
+((struct instance_core__NativeArray*)var22)->values[6]=var70;
 {
-var51 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
+var71 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
 }
-((struct instance_core__NativeArray*)var22)->values[8]=var51;
+((struct instance_core__NativeArray*)var22)->values[8]=var71;
 {
-var52 = ((val*(*)(val* self))(var22->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var22); /* native_to_s on <var22:NativeArray[String]>*/
+var72 = ((val*(*)(val* self))(var22->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var22); /* native_to_s on <var22:NativeArray[String]>*/
 }
 varonce = var22;
 {
-nitc___nitc__ModelBuilder___error(var19, var_node, var52); /* Direct call modelbuilder_base#ModelBuilder#error on <var19:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var19, var_node, var72); /* Direct call modelbuilder_base$ModelBuilder$error on <var19:ModelBuilder>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
@@ -5041,148 +6065,171 @@ goto RET_LABEL;
 }
 } else {
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var55 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var53 = var55;
-RET_LABEL54:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var75 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var73 = var75;
+RET_LABEL74:(void)0;
 }
 }
 {
-var56 = nitc___nitc__MSignature___arity(var_msignature);
+var76 = nitc___nitc__MSignature___arity(var_msignature);
 }
 {
-{ /* Inline kernel#Int#!= (var53,var56) on <var53:Int> */
-var59 = var53 == var56;
-var60 = !var59;
-var57 = var60;
-goto RET_LABEL58;
-RET_LABEL58:(void)0;
+{ /* Inline kernel$Int$!= (var73,var76) on <var73:Int> */
+var79 = var73 == var76;
+var80 = !var79;
+var77 = var80;
+goto RET_LABEL78;
+RET_LABEL78:(void)0;
 }
 }
-if (var57){
+if (var77){
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var63 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var61 = var63;
-RET_LABEL62:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var83 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var81 = var83;
+RET_LABEL82:(void)0;
 }
 }
 {
-var64 = nitc___nitc__MSignature___arity(var_msignature);
+var84 = nitc___nitc__MSignature___arity(var_msignature);
 }
 {
-{ /* Inline kernel#Int#> (var61,var64) on <var61:Int> */
-/* Covariant cast for argument 0 (i) <var64:Int> isa OTHER */
-/* <var64:Int> isa OTHER */
-var67 = 1; /* easy <var64:Int> isa OTHER*/
-if (unlikely(!var67)) {
-var_class_name70 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name70);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 730);
+{ /* Inline kernel$Int$> (var81,var84) on <var81:Int> */
+/* Covariant cast for argument 0 (i) <var84:Int> isa OTHER */
+/* <var84:Int> isa OTHER */
+var87 = 1; /* easy <var84:Int> isa OTHER*/
+if (unlikely(!var87)) {
+var_class_name90 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name90);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
 fatal_exit(1);
 }
-var71 = var61 > var64;
-var65 = var71;
-goto RET_LABEL66;
-RET_LABEL66:(void)0;
+var91 = var81 > var84;
+var85 = var91;
+goto RET_LABEL86;
+RET_LABEL86:(void)0;
 }
 }
-if (var65){
+if (var85){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var74 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var74 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var94 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var94 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var72 = var74;
-RET_LABEL73:(void)0;
-}
+var92 = var94;
+RET_LABEL93:(void)0;
 }
-if (unlikely(varonce75==NULL)) {
-var76 = NEW_core__NativeArray(10l, &type_core__NativeArray__core__String);
-if (likely(varonce77!=NULL)) {
-var78 = varonce77;
-} else {
-var79 = "Error: expected ";
-var80 = core__flat___NativeString___to_s_full(var79, 16l, 16l);
-var78 = var80;
-varonce77 = var78;
 }
-((struct instance_core__NativeArray*)var76)->values[0]=var78;
-if (likely(varonce81!=NULL)) {
-var82 = varonce81;
+if (unlikely(varonce95==NULL)) {
+var96 = NEW_core__NativeArray((int)10l, &type_core__NativeArray__core__String);
+if (likely(varonce97!=NULL)) {
+var98 = varonce97;
 } else {
-var83 = " argument(s) for `";
-var84 = core__flat___NativeString___to_s_full(var83, 18l, 18l);
-var82 = var84;
-varonce81 = var82;
+var99 = "Error: expected ";
+var101 = (val*)(16l<<2|1);
+var102 = (val*)(16l<<2|1);
+var103 = (val*)((long)(0)<<2|3);
+var104 = (val*)((long)(0)<<2|3);
+var100 = core__flat___CString___to_s_unsafe(var99, var101, var102, var103, var104);
+var98 = var100;
+varonce97 = var98;
 }
-((struct instance_core__NativeArray*)var76)->values[2]=var82;
-if (likely(varonce85!=NULL)) {
-var86 = varonce85;
+((struct instance_core__NativeArray*)var96)->values[0]=var98;
+if (likely(varonce105!=NULL)) {
+var106 = varonce105;
+} else {
+var107 = " argument(s) for `";
+var109 = (val*)(18l<<2|1);
+var110 = (val*)(18l<<2|1);
+var111 = (val*)((long)(0)<<2|3);
+var112 = (val*)((long)(0)<<2|3);
+var108 = core__flat___CString___to_s_unsafe(var107, var109, var110, var111, var112);
+var106 = var108;
+varonce105 = var106;
+}
+((struct instance_core__NativeArray*)var96)->values[2]=var106;
+if (likely(varonce113!=NULL)) {
+var114 = varonce113;
 } else {
-var87 = "`; got ";
-var88 = core__flat___NativeString___to_s_full(var87, 7l, 7l);
-var86 = var88;
-varonce85 = var86;
+var115 = "`; got ";
+var117 = (val*)(7l<<2|1);
+var118 = (val*)(7l<<2|1);
+var119 = (val*)((long)(0)<<2|3);
+var120 = (val*)((long)(0)<<2|3);
+var116 = core__flat___CString___to_s_unsafe(var115, var117, var118, var119, var120);
+var114 = var116;
+varonce113 = var114;
 }
-((struct instance_core__NativeArray*)var76)->values[5]=var86;
-if (likely(varonce89!=NULL)) {
-var90 = varonce89;
+((struct instance_core__NativeArray*)var96)->values[5]=var114;
+if (likely(varonce121!=NULL)) {
+var122 = varonce121;
 } else {
-var91 = ". See introduction at `";
-var92 = core__flat___NativeString___to_s_full(var91, 23l, 23l);
-var90 = var92;
-varonce89 = var90;
+var123 = ". See introduction at `";
+var125 = (val*)(23l<<2|1);
+var126 = (val*)(23l<<2|1);
+var127 = (val*)((long)(0)<<2|3);
+var128 = (val*)((long)(0)<<2|3);
+var124 = core__flat___CString___to_s_unsafe(var123, var125, var126, var127, var128);
+var122 = var124;
+varonce121 = var122;
 }
-((struct instance_core__NativeArray*)var76)->values[7]=var90;
-if (likely(varonce93!=NULL)) {
-var94 = varonce93;
+((struct instance_core__NativeArray*)var96)->values[7]=var122;
+if (likely(varonce129!=NULL)) {
+var130 = varonce129;
 } else {
-var95 = "`.";
-var96 = core__flat___NativeString___to_s_full(var95, 2l, 2l);
-var94 = var96;
-varonce93 = var94;
+var131 = "`.";
+var133 = (val*)(2l<<2|1);
+var134 = (val*)(2l<<2|1);
+var135 = (val*)((long)(0)<<2|3);
+var136 = (val*)((long)(0)<<2|3);
+var132 = core__flat___CString___to_s_unsafe(var131, var133, var134, var135, var136);
+var130 = var132;
+varonce129 = var130;
 }
-((struct instance_core__NativeArray*)var76)->values[9]=var94;
+((struct instance_core__NativeArray*)var96)->values[9]=var130;
 } else {
-var76 = varonce75;
-varonce75 = NULL;
+var96 = varonce95;
+varonce95 = NULL;
 }
 {
-var97 = nitc___nitc__MSignature___arity(var_msignature);
+var137 = nitc___nitc__MSignature___arity(var_msignature);
 }
-var98 = core__flat___Int___core__abstract_text__Object__to_s(var97);
-((struct instance_core__NativeArray*)var76)->values[1]=var98;
+var138 = core__flat___Int___core__abstract_text__Object__to_s(var137);
+((struct instance_core__NativeArray*)var96)->values[1]=var138;
 {
-var99 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
+var139 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
 }
-((struct instance_core__NativeArray*)var76)->values[3]=var99;
+((struct instance_core__NativeArray*)var96)->values[3]=var139;
 {
-var100 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
+var140 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
 }
-((struct instance_core__NativeArray*)var76)->values[4]=var100;
+((struct instance_core__NativeArray*)var96)->values[4]=var140;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var103 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var101 = var103;
-RET_LABEL102:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var143 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var141 = var143;
+RET_LABEL142:(void)0;
 }
 }
-var104 = core__flat___Int___core__abstract_text__Object__to_s(var101);
-((struct instance_core__NativeArray*)var76)->values[6]=var104;
+var144 = core__flat___Int___core__abstract_text__Object__to_s(var141);
+((struct instance_core__NativeArray*)var96)->values[6]=var144;
 {
-var105 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
+var145 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
 }
-((struct instance_core__NativeArray*)var76)->values[8]=var105;
+((struct instance_core__NativeArray*)var96)->values[8]=var145;
 {
-var106 = ((val*(*)(val* self))(var76->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var76); /* native_to_s on <var76:NativeArray[String]>*/
+var146 = ((val*(*)(val* self))(var96->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var96); /* native_to_s on <var96:NativeArray[String]>*/
 }
-varonce75 = var76;
+varonce95 = var96;
 {
-nitc___nitc__ModelBuilder___error(var72, var_node, var106); /* Direct call modelbuilder_base#ModelBuilder#error on <var72:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var92, var_node, var146); /* Direct call modelbuilder_base$ModelBuilder$error on <var92:ModelBuilder>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
@@ -5191,1117 +6238,1248 @@ goto RET_LABEL;
 } else {
 }
 }
-var107 = NEW_nitc__SignatureMap(&type_nitc__SignatureMap);
+var147 = NEW_nitc__SignatureMap(&type_nitc__SignatureMap);
 {
-{ /* Inline kernel#Object#init (var107) on <var107:SignatureMap> */
-RET_LABEL108:(void)0;
+{ /* Inline kernel$Object$init (var147) on <var147:SignatureMap> */
+RET_LABEL148:(void)0;
 }
 }
-var_map = var107;
+var_map = var147;
 {
-{ /* Inline model#MProperty#name (var_mproperty) on <var_mproperty:MProperty> */
-var111 = var_mproperty->attrs[COLOR_nitc__model__MProperty___name].val; /* _name on <var_mproperty:MProperty> */
-if (unlikely(var111 == NULL)) {
+{ /* Inline model$MProperty$name (var_mproperty) on <var_mproperty:MProperty> */
+var151 = var_mproperty->attrs[COLOR_nitc__model__MProperty___name].val; /* _name on <var_mproperty:MProperty> */
+if (unlikely(var151 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1951);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2047);
 fatal_exit(1);
 }
-var109 = var111;
-RET_LABEL110:(void)0;
+var149 = var151;
+RET_LABEL150:(void)0;
 }
 }
 {
-var112 = ((val*(*)(val* self))(var109->class->vft[COLOR_core__abstract_text__Text__chars]))(var109); /* chars on <var109:String>*/
+var152 = ((val*(*)(val* self))(var149->class->vft[COLOR_core__abstract_text__Text__chars]))(var149); /* chars on <var149:String>*/
 }
 {
-var113 = ((val*(*)(val* self))((((long)var112&3)?class_info[((long)var112&3)]:var112->class)->vft[COLOR_core__abstract_collection__SequenceRead__last]))(var112); /* last on <var112:SequenceRead[Char]>*/
+var153 = ((val*(*)(val* self))((((long)var152&3)?class_info[((long)var152&3)]:var152->class)->vft[COLOR_core__abstract_collection__SequenceRead__last]))(var152); /* last on <var152:SequenceRead[Char]>*/
 }
 {
-{ /* Inline kernel#Char#== (var113,'=') on <var113:nullable Object(Char)> */
-var117 = (uint32_t)((long)(var113)>>2);
-var116 = var117 == '=';
-var114 = var116;
-goto RET_LABEL115;
-RET_LABEL115:(void)0;
+{ /* Inline kernel$Char$== (var153,'=') on <var153:nullable Object(Char)> */
+var157 = (uint32_t)((long)(var153)>>2);
+var156 = var157 == '=';
+var154 = var156;
+goto RET_LABEL155;
+RET_LABEL155:(void)0;
 }
 }
-var_last_is_padded = var114;
+var_last_is_padded = var154;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var120 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var118 = var120;
-RET_LABEL119:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var160 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var158 = var160;
+RET_LABEL159:(void)0;
 }
 }
-var_nbargs = var118;
+var_nbargs = var158;
 if (var_last_is_padded){
 {
-{ /* Inline kernel#Int#- (var_nbargs,1l) on <var_nbargs:Int> */
+{ /* Inline kernel$Int$- (var_nbargs,1l) on <var_nbargs:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var123 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var123)) {
-var_class_name126 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name126);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 734);
+var163 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var163)) {
+var_class_name166 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name166);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
 fatal_exit(1);
 }
-var127 = var_nbargs - 1l;
-var121 = var127;
-goto RET_LABEL122;
-RET_LABEL122:(void)0;
+var167 = var_nbargs - 1l;
+var161 = var167;
+goto RET_LABEL162;
+RET_LABEL162:(void)0;
 }
 }
-var_nbargs = var121;
+var_nbargs = var161;
 {
-var128 = core___core__SequenceRead___last(var_args);
+var168 = core___core__SequenceRead___last(var_args);
 }
-/* <var128:nullable Object(AExpr)> isa ANamedargExpr */
-cltype130 = type_nitc__ANamedargExpr.color;
-idtype131 = type_nitc__ANamedargExpr.id;
-if(cltype130 >= var128->type->table_size) {
-var129 = 0;
+/* <var168:nullable Object(AExpr)> isa ANamedargExpr */
+cltype170 = type_nitc__ANamedargExpr.color;
+idtype171 = type_nitc__ANamedargExpr.id;
+if(cltype170 >= var168->type->table_size) {
+var169 = 0;
 } else {
-var129 = var128->type->type_table[cltype130] == idtype131;
+var169 = var168->type->type_table[cltype170] == idtype171;
+}
+var172 = !var169;
+if (unlikely(!var172)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-var132 = !var129;
-if (unlikely(!var132)) {
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 438);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 442);
 fatal_exit(1);
 }
 {
-{ /* Inline typing#SignatureMap#map (var_map) on <var_map:SignatureMap> */
-var135 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
-if (unlikely(var135 == NULL)) {
+{ /* Inline typing$SignatureMap$map (var_map) on <var_map:SignatureMap> */
+var175 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
+if (unlikely(var175 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _map");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 628);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 632);
 fatal_exit(1);
 }
-var133 = var135;
-RET_LABEL134:(void)0;
+var173 = var175;
+RET_LABEL174:(void)0;
 }
 }
 {
-var136 = nitc___nitc__MSignature___arity(var_msignature);
+var176 = nitc___nitc__MSignature___arity(var_msignature);
 }
 {
-{ /* Inline kernel#Int#- (var136,1l) on <var136:Int> */
+{ /* Inline kernel$Int$- (var176,1l) on <var176:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var139 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var139)) {
-var_class_name142 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name142);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 734);
+var179 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var179)) {
+var_class_name182 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name182);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
 fatal_exit(1);
 }
-var143 = var136 - 1l;
-var137 = var143;
-goto RET_LABEL138;
-RET_LABEL138:(void)0;
+var183 = var176 - 1l;
+var177 = var183;
+goto RET_LABEL178;
+RET_LABEL178:(void)0;
 }
 }
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var146 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var144 = var146;
-RET_LABEL145:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var186 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var184 = var186;
+RET_LABEL185:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#- (var144,1l) on <var144:Int> */
+{ /* Inline kernel$Int$- (var184,1l) on <var184:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var149 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var149)) {
-var_class_name152 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name152);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 734);
+var189 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var189)) {
+var_class_name192 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name192);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
 fatal_exit(1);
 }
-var153 = var144 - 1l;
-var147 = var153;
-goto RET_LABEL148;
-RET_LABEL148:(void)0;
+var193 = var184 - 1l;
+var187 = var193;
+goto RET_LABEL188;
+RET_LABEL188:(void)0;
 }
 }
 {
-var154 = (val*)(var137<<2|1);
-var155 = (val*)(var147<<2|1);
-core___core__ArrayMap___core__abstract_collection__Map___91d_93d_61d(var133, var154, var155); /* Direct call array#ArrayMap#[]= on <var133:ArrayMap[Int, Int]>*/
+var194 = (val*)(var177<<2|1);
+var195 = (val*)(var187<<2|1);
+core___core__ArrayMap___core__abstract_collection__Map___91d_93d_61d(var173, var194, var195); /* Direct call array$ArrayMap$[]= on <var173:ArrayMap[Int, Int]>*/
 }
 {
-var156 = core___core__SequenceRead___last(var_args);
+var196 = core___core__SequenceRead___last(var_args);
 }
 {
-{ /* Inline model#MSignature#mparameters (var_msignature) on <var_msignature:MSignature> */
-var159 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
-if (unlikely(var159 == NULL)) {
+{ /* Inline model$MSignature$mparameters (var_msignature) on <var_msignature:MSignature> */
+var199 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
+if (unlikely(var199 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mparameters");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1879);
 fatal_exit(1);
 }
-var157 = var159;
-RET_LABEL158:(void)0;
+var197 = var199;
+RET_LABEL198:(void)0;
 }
 }
 {
-var160 = core___core__SequenceRead___last(var157);
+var200 = core___core__SequenceRead___last(var197);
 }
 {
-{ /* Inline model#MParameter#mtype (var160) on <var160:nullable Object(MParameter)> */
-var163 = var160->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var160:nullable Object(MParameter)> */
-if (unlikely(var163 == NULL)) {
+{ /* Inline model$MParameter$mtype (var200) on <var200:nullable Object(MParameter)> */
+var203 = var200->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var200:nullable Object(MParameter)> */
+if (unlikely(var203 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
-var161 = var163;
-RET_LABEL162:(void)0;
+var201 = var203;
+RET_LABEL202:(void)0;
 }
 }
 {
-var164 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var156, var161);
+var204 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var196, var201);
 }
 } else {
 }
 var_i = 0l;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var167 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var165 = var167;
-RET_LABEL166:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var207 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var205 = var207;
+RET_LABEL206:(void)0;
 }
 }
-var_ = var165;
+var_ = var205;
 for(;;) {
 {
-{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+{ /* Inline kernel$Int$< (var_i,var_) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
 /* <var_:Int> isa OTHER */
-var170 = 1; /* easy <var_:Int> isa OTHER*/
-if (unlikely(!var170)) {
-var_class_name173 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name173);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+var210 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var210)) {
+var_class_name213 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name213);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
-var174 = var_i < var_;
-var168 = var174;
-goto RET_LABEL169;
-RET_LABEL169:(void)0;
+var214 = var_i < var_;
+var208 = var214;
+goto RET_LABEL209;
+RET_LABEL209:(void)0;
 }
 }
-if (var168){
+if (var208){
 } else {
 goto BREAK_label;
 }
 {
-var175 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_i);
+var215 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_i);
 }
-var_e = var175;
+var_e = var215;
 /* <var_e:AExpr> isa ANamedargExpr */
-cltype177 = type_nitc__ANamedargExpr.color;
-idtype178 = type_nitc__ANamedargExpr.id;
-if(cltype177 >= var_e->type->table_size) {
-var176 = 0;
+cltype217 = type_nitc__ANamedargExpr.color;
+idtype218 = type_nitc__ANamedargExpr.id;
+if(cltype217 >= var_e->type->table_size) {
+var216 = 0;
 } else {
-var176 = var_e->type->type_table[cltype177] == idtype178;
+var216 = var_e->type->type_table[cltype217] == idtype218;
 }
-var179 = !var176;
-if (var179){
-goto BREAK_label180;
+var219 = !var216;
+if (var219){
+goto BREAK_label220;
 } else {
 }
 {
-{ /* Inline parser_nodes#ANamedargExpr#n_id (var_e) on <var_e:AExpr(ANamedargExpr)> */
-var183 = var_e->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <var_e:AExpr(ANamedargExpr)> */
-if (unlikely(var183 == NULL)) {
+{ /* Inline parser_nodes$ANamedargExpr$n_id (var_e) on <var_e:AExpr(ANamedargExpr)> */
+var223 = var_e->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <var_e:AExpr(ANamedargExpr)> */
+if (unlikely(var223 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2641);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2722);
 fatal_exit(1);
 }
-var181 = var183;
-RET_LABEL182:(void)0;
+var221 = var223;
+RET_LABEL222:(void)0;
 }
 }
 {
-var184 = nitc__lexer_work___Token___text(var181);
+var224 = nitc__lexer_work___Token___text(var221);
 }
-var_name = var184;
+var_name = var224;
 {
-var185 = nitc___nitc__MSignature___mparameter_by_name(var_msignature, var_name);
+var225 = nitc___nitc__MSignature___mparameter_by_name(var_msignature, var_name);
 }
-var_param = var185;
+var_param = var225;
 if (var_param == NULL) {
-var186 = 1; /* is null */
+var226 = 1; /* is null */
 } else {
-var186 = 0; /* arg is null but recv is not */
+var226 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_param,((val*)NULL)) on <var_param:nullable MParameter> */
+{ /* Inline kernel$Object$== (var_param,((val*)NULL)) on <var_param:nullable MParameter> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_param,var_other) on <var_param:nullable MParameter(MParameter)> */
-var191 = var_param == var_other;
-var189 = var191;
-goto RET_LABEL190;
-RET_LABEL190:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_param,var_other) on <var_param:nullable MParameter(MParameter)> */
+var231 = var_param == var_other;
+var229 = var231;
+goto RET_LABEL230;
+RET_LABEL230:(void)0;
 }
 }
-var187 = var189;
-goto RET_LABEL188;
-RET_LABEL188:(void)0;
+var227 = var229;
+goto RET_LABEL228;
+RET_LABEL228:(void)0;
 }
-var186 = var187;
+var226 = var227;
 }
-if (var186){
+if (var226){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var194 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var194 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var234 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var234 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var192 = var194;
-RET_LABEL193:(void)0;
+var232 = var234;
+RET_LABEL233:(void)0;
 }
 }
 {
-{ /* Inline parser_nodes#ANamedargExpr#n_id (var_e) on <var_e:AExpr(ANamedargExpr)> */
-var197 = var_e->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <var_e:AExpr(ANamedargExpr)> */
-if (unlikely(var197 == NULL)) {
+{ /* Inline parser_nodes$ANamedargExpr$n_id (var_e) on <var_e:AExpr(ANamedargExpr)> */
+var237 = var_e->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_id].val; /* _n_id on <var_e:AExpr(ANamedargExpr)> */
+if (unlikely(var237 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2641);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2722);
 fatal_exit(1);
 }
-var195 = var197;
-RET_LABEL196:(void)0;
-}
-}
-if (unlikely(varonce198==NULL)) {
-var199 = NEW_core__NativeArray(6l, &type_core__NativeArray__core__String);
-if (likely(varonce200!=NULL)) {
-var201 = varonce200;
-} else {
-var202 = "Error: no parameter `";
-var203 = core__flat___NativeString___to_s_full(var202, 21l, 21l);
-var201 = var203;
-varonce200 = var201;
-}
-((struct instance_core__NativeArray*)var199)->values[0]=var201;
-if (likely(varonce204!=NULL)) {
-var205 = varonce204;
-} else {
-var206 = "` for `";
-var207 = core__flat___NativeString___to_s_full(var206, 7l, 7l);
-var205 = var207;
-varonce204 = var205;
-}
-((struct instance_core__NativeArray*)var199)->values[2]=var205;
-if (likely(varonce208!=NULL)) {
-var209 = varonce208;
-} else {
-var210 = "`.";
-var211 = core__flat___NativeString___to_s_full(var210, 2l, 2l);
-var209 = var211;
-varonce208 = var209;
-}
-((struct instance_core__NativeArray*)var199)->values[5]=var209;
+var235 = var237;
+RET_LABEL236:(void)0;
+}
+}
+if (unlikely(varonce238==NULL)) {
+var239 = NEW_core__NativeArray((int)6l, &type_core__NativeArray__core__String);
+if (likely(varonce240!=NULL)) {
+var241 = varonce240;
+} else {
+var242 = "Error: no parameter `";
+var244 = (val*)(21l<<2|1);
+var245 = (val*)(21l<<2|1);
+var246 = (val*)((long)(0)<<2|3);
+var247 = (val*)((long)(0)<<2|3);
+var243 = core__flat___CString___to_s_unsafe(var242, var244, var245, var246, var247);
+var241 = var243;
+varonce240 = var241;
+}
+((struct instance_core__NativeArray*)var239)->values[0]=var241;
+if (likely(varonce248!=NULL)) {
+var249 = varonce248;
+} else {
+var250 = "` for `";
+var252 = (val*)(7l<<2|1);
+var253 = (val*)(7l<<2|1);
+var254 = (val*)((long)(0)<<2|3);
+var255 = (val*)((long)(0)<<2|3);
+var251 = core__flat___CString___to_s_unsafe(var250, var252, var253, var254, var255);
+var249 = var251;
+varonce248 = var249;
+}
+((struct instance_core__NativeArray*)var239)->values[2]=var249;
+if (likely(varonce256!=NULL)) {
+var257 = varonce256;
+} else {
+var258 = "`.";
+var260 = (val*)(2l<<2|1);
+var261 = (val*)(2l<<2|1);
+var262 = (val*)((long)(0)<<2|3);
+var263 = (val*)((long)(0)<<2|3);
+var259 = core__flat___CString___to_s_unsafe(var258, var260, var261, var262, var263);
+var257 = var259;
+varonce256 = var257;
+}
+((struct instance_core__NativeArray*)var239)->values[5]=var257;
 } else {
-var199 = varonce198;
-varonce198 = NULL;
+var239 = varonce238;
+varonce238 = NULL;
 }
-((struct instance_core__NativeArray*)var199)->values[1]=var_name;
+((struct instance_core__NativeArray*)var239)->values[1]=var_name;
 {
-var212 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
+var264 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
 }
-((struct instance_core__NativeArray*)var199)->values[3]=var212;
+((struct instance_core__NativeArray*)var239)->values[3]=var264;
 {
-var213 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
+var265 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
 }
-((struct instance_core__NativeArray*)var199)->values[4]=var213;
+((struct instance_core__NativeArray*)var239)->values[4]=var265;
 {
-var214 = ((val*(*)(val* self))(var199->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var199); /* native_to_s on <var199:NativeArray[String]>*/
+var266 = ((val*(*)(val* self))(var239->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var239); /* native_to_s on <var239:NativeArray[String]>*/
 }
-varonce198 = var199;
+varonce238 = var239;
 {
-nitc___nitc__ModelBuilder___error(var192, var195, var214); /* Direct call modelbuilder_base#ModelBuilder#error on <var192:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var232, var235, var266); /* Direct call modelbuilder_base$ModelBuilder$error on <var232:ModelBuilder>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MSignature#mparameters (var_msignature) on <var_msignature:MSignature> */
-var217 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
-if (unlikely(var217 == NULL)) {
+{ /* Inline model$MSignature$mparameters (var_msignature) on <var_msignature:MSignature> */
+var269 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
+if (unlikely(var269 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mparameters");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1879);
 fatal_exit(1);
 }
-var215 = var217;
-RET_LABEL216:(void)0;
+var267 = var269;
+RET_LABEL268:(void)0;
 }
 }
 {
-var218 = core___core__AbstractArrayRead___core__abstract_collection__SequenceRead__index_of(var215, var_param);
+var270 = core___core__AbstractArrayRead___core__abstract_collection__SequenceRead__index_of(var267, var_param);
 }
-var_idx = var218;
+var_idx = var270;
 {
-{ /* Inline typing#SignatureMap#map (var_map) on <var_map:SignatureMap> */
-var221 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
-if (unlikely(var221 == NULL)) {
+{ /* Inline typing$SignatureMap$map (var_map) on <var_map:SignatureMap> */
+var273 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
+if (unlikely(var273 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _map");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 628);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 632);
 fatal_exit(1);
 }
-var219 = var221;
-RET_LABEL220:(void)0;
+var271 = var273;
+RET_LABEL272:(void)0;
 }
 }
 {
-var223 = (val*)(var_idx<<2|1);
-var222 = core___core__MapRead___get_or_null(var219, var223);
+var275 = (val*)(var_idx<<2|1);
+var274 = core___core__MapRead___get_or_null(var271, var275);
 }
-var_prev = var222;
+var_prev = var274;
 if (var_prev == NULL) {
-var224 = 0; /* is null */
+var276 = 0; /* is null */
 } else {
-var224 = 1; /* arg is null and recv is not */
+var276 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Int#!= (var_prev,((val*)NULL)) on <var_prev:nullable Int> */
-var227 = 0; /* incompatible types Int vs. null; cannot be NULL */
-var228 = !var227;
-var225 = var228;
-goto RET_LABEL226;
-RET_LABEL226:(void)0;
+{ /* Inline kernel$Int$!= (var_prev,((val*)NULL)) on <var_prev:nullable Int> */
+var279 = 0; /* incompatible types Int vs. null; cannot be NULL */
+var280 = !var279;
+var277 = var280;
+goto RET_LABEL278;
+RET_LABEL278:(void)0;
 }
-var224 = var225;
+var276 = var277;
 }
-if (var224){
+if (var276){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var231 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var231 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var283 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var283 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var229 = var231;
-RET_LABEL230:(void)0;
+var281 = var283;
+RET_LABEL282:(void)0;
 }
 }
-if (unlikely(varonce232==NULL)) {
-var233 = NEW_core__NativeArray(8l, &type_core__NativeArray__core__String);
-if (likely(varonce234!=NULL)) {
-var235 = varonce234;
+if (unlikely(varonce284==NULL)) {
+var285 = NEW_core__NativeArray((int)8l, &type_core__NativeArray__core__String);
+if (likely(varonce286!=NULL)) {
+var287 = varonce286;
 } else {
-var236 = "Error: parameter `";
-var237 = core__flat___NativeString___to_s_full(var236, 18l, 18l);
-var235 = var237;
-varonce234 = var235;
+var288 = "Error: parameter `";
+var290 = (val*)(18l<<2|1);
+var291 = (val*)(18l<<2|1);
+var292 = (val*)((long)(0)<<2|3);
+var293 = (val*)((long)(0)<<2|3);
+var289 = core__flat___CString___to_s_unsafe(var288, var290, var291, var292, var293);
+var287 = var289;
+varonce286 = var287;
 }
-((struct instance_core__NativeArray*)var233)->values[0]=var235;
-if (likely(varonce238!=NULL)) {
-var239 = varonce238;
+((struct instance_core__NativeArray*)var285)->values[0]=var287;
+if (likely(varonce294!=NULL)) {
+var295 = varonce294;
 } else {
-var240 = "` already associated with argument #";
-var241 = core__flat___NativeString___to_s_full(var240, 36l, 36l);
-var239 = var241;
-varonce238 = var239;
+var296 = "` already associated with argument #";
+var298 = (val*)(36l<<2|1);
+var299 = (val*)(36l<<2|1);
+var300 = (val*)((long)(0)<<2|3);
+var301 = (val*)((long)(0)<<2|3);
+var297 = core__flat___CString___to_s_unsafe(var296, var298, var299, var300, var301);
+var295 = var297;
+varonce294 = var295;
 }
-((struct instance_core__NativeArray*)var233)->values[2]=var239;
-if (likely(varonce242!=NULL)) {
-var243 = varonce242;
+((struct instance_core__NativeArray*)var285)->values[2]=var295;
+if (likely(varonce302!=NULL)) {
+var303 = varonce302;
 } else {
-var244 = " for `";
-var245 = core__flat___NativeString___to_s_full(var244, 6l, 6l);
-var243 = var245;
-varonce242 = var243;
+var304 = " for `";
+var306 = (val*)(6l<<2|1);
+var307 = (val*)(6l<<2|1);
+var308 = (val*)((long)(0)<<2|3);
+var309 = (val*)((long)(0)<<2|3);
+var305 = core__flat___CString___to_s_unsafe(var304, var306, var307, var308, var309);
+var303 = var305;
+varonce302 = var303;
 }
-((struct instance_core__NativeArray*)var233)->values[4]=var243;
-if (likely(varonce246!=NULL)) {
-var247 = varonce246;
+((struct instance_core__NativeArray*)var285)->values[4]=var303;
+if (likely(varonce310!=NULL)) {
+var311 = varonce310;
 } else {
-var248 = "`.";
-var249 = core__flat___NativeString___to_s_full(var248, 2l, 2l);
-var247 = var249;
-varonce246 = var247;
+var312 = "`.";
+var314 = (val*)(2l<<2|1);
+var315 = (val*)(2l<<2|1);
+var316 = (val*)((long)(0)<<2|3);
+var317 = (val*)((long)(0)<<2|3);
+var313 = core__flat___CString___to_s_unsafe(var312, var314, var315, var316, var317);
+var311 = var313;
+varonce310 = var311;
 }
-((struct instance_core__NativeArray*)var233)->values[7]=var247;
+((struct instance_core__NativeArray*)var285)->values[7]=var311;
 } else {
-var233 = varonce232;
-varonce232 = NULL;
+var285 = varonce284;
+varonce284 = NULL;
 }
-((struct instance_core__NativeArray*)var233)->values[1]=var_name;
-var251 = (long)(var_prev)>>2;
-var250 = core__flat___Int___core__abstract_text__Object__to_s(var251);
-((struct instance_core__NativeArray*)var233)->values[3]=var250;
+((struct instance_core__NativeArray*)var285)->values[1]=var_name;
+var319 = (long)(var_prev)>>2;
+var318 = core__flat___Int___core__abstract_text__Object__to_s(var319);
+((struct instance_core__NativeArray*)var285)->values[3]=var318;
 {
-var252 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
+var320 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
 }
-((struct instance_core__NativeArray*)var233)->values[5]=var252;
+((struct instance_core__NativeArray*)var285)->values[5]=var320;
 {
-var253 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
+var321 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
 }
-((struct instance_core__NativeArray*)var233)->values[6]=var253;
+((struct instance_core__NativeArray*)var285)->values[6]=var321;
 {
-var254 = ((val*(*)(val* self))(var233->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var233); /* native_to_s on <var233:NativeArray[String]>*/
+var322 = ((val*(*)(val* self))(var285->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var285); /* native_to_s on <var285:NativeArray[String]>*/
 }
-varonce232 = var233;
+varonce284 = var285;
 {
-nitc___nitc__ModelBuilder___error(var229, var_e, var254); /* Direct call modelbuilder_base#ModelBuilder#error on <var229:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var281, var_e, var322); /* Direct call modelbuilder_base$ModelBuilder$error on <var281:ModelBuilder>*/
 }
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#SignatureMap#map (var_map) on <var_map:SignatureMap> */
-var257 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
-if (unlikely(var257 == NULL)) {
+{ /* Inline typing$SignatureMap$map (var_map) on <var_map:SignatureMap> */
+var325 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
+if (unlikely(var325 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _map");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 628);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 632);
 fatal_exit(1);
 }
-var255 = var257;
-RET_LABEL256:(void)0;
+var323 = var325;
+RET_LABEL324:(void)0;
 }
 }
 {
-var258 = (val*)(var_idx<<2|1);
-var259 = (val*)(var_i<<2|1);
-core___core__ArrayMap___core__abstract_collection__Map___91d_93d_61d(var255, var258, var259); /* Direct call array#ArrayMap#[]= on <var255:ArrayMap[Int, Int]>*/
+var326 = (val*)(var_idx<<2|1);
+var327 = (val*)(var_i<<2|1);
+core___core__ArrayMap___core__abstract_collection__Map___91d_93d_61d(var323, var326, var327); /* Direct call array$ArrayMap$[]= on <var323:ArrayMap[Int, Int]>*/
 }
 {
-{ /* Inline parser_nodes#ANamedargExpr#n_expr (var_e) on <var_e:AExpr(ANamedargExpr)> */
-var262 = var_e->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_expr].val; /* _n_expr on <var_e:AExpr(ANamedargExpr)> */
-if (unlikely(var262 == NULL)) {
+{ /* Inline parser_nodes$ANamedargExpr$n_expr (var_e) on <var_e:AExpr(ANamedargExpr)> */
+var330 = var_e->attrs[COLOR_nitc__parser_nodes__ANamedargExpr___n_expr].val; /* _n_expr on <var_e:AExpr(ANamedargExpr)> */
+if (unlikely(var330 == 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, 2647);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2728);
 fatal_exit(1);
 }
-var260 = var262;
-RET_LABEL261:(void)0;
+var328 = var330;
+RET_LABEL329:(void)0;
 }
 }
 {
-{ /* Inline model#MParameter#mtype (var_param) on <var_param:nullable MParameter(MParameter)> */
-var265 = var_param->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param:nullable MParameter(MParameter)> */
-if (unlikely(var265 == NULL)) {
+{ /* Inline model$MParameter$mtype (var_param) on <var_param:nullable MParameter(MParameter)> */
+var333 = var_param->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param:nullable MParameter(MParameter)> */
+if (unlikely(var333 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
-var263 = var265;
-RET_LABEL264:(void)0;
+var331 = var333;
+RET_LABEL332:(void)0;
 }
 }
 {
-var266 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var260, var263);
+var334 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var328, var331);
 }
 {
-{ /* Inline typing#AExpr#mtype= (var_e,var266) on <var_e:AExpr(ANamedargExpr)> */
-var_e->attrs[COLOR_nitc__typing__AExpr___mtype].val = var266; /* _mtype on <var_e:AExpr(ANamedargExpr)> */
-RET_LABEL267:(void)0;
+{ /* Inline typing$AExpr$mtype= (var_e,var334) on <var_e:AExpr(ANamedargExpr)> */
+var_e->attrs[COLOR_nitc__typing__AExpr___mtype].val = var334; /* _mtype on <var_e:AExpr(ANamedargExpr)> */
+RET_LABEL335:(void)0;
 }
 }
-BREAK_label180: (void)0;
+BREAK_label220: (void)0;
 {
-var268 = core___core__Int___Discrete__successor(var_i, 1l);
+var336 = core___core__Int___Discrete__successor(var_i, 1l);
 }
-var_i = var268;
+var_i = var336;
 }
 BREAK_label: (void)0;
 var_min_arity = 0l;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var271 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var269 = var271;
-RET_LABEL270:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var339 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var337 = var339;
+RET_LABEL338:(void)0;
 }
 }
 {
-var272 = nitc___nitc__MSignature___arity(var_msignature);
+var340 = nitc___nitc__MSignature___arity(var_msignature);
 }
 {
-{ /* Inline kernel#Int#- (var269,var272) on <var269:Int> */
-/* Covariant cast for argument 0 (i) <var272:Int> isa OTHER */
-/* <var272:Int> isa OTHER */
-var275 = 1; /* easy <var272:Int> isa OTHER*/
-if (unlikely(!var275)) {
-var_class_name278 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name278);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 734);
+{ /* Inline kernel$Int$- (var337,var340) on <var337:Int> */
+/* Covariant cast for argument 0 (i) <var340:Int> isa OTHER */
+/* <var340:Int> isa OTHER */
+var343 = 1; /* easy <var340:Int> isa OTHER*/
+if (unlikely(!var343)) {
+var_class_name346 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name346);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
 fatal_exit(1);
 }
-var279 = var269 - var272;
-var273 = var279;
-goto RET_LABEL274;
-RET_LABEL274:(void)0;
+var347 = var337 - var340;
+var341 = var347;
+goto RET_LABEL342;
+RET_LABEL342:(void)0;
 }
 }
-var_vararg_decl = var273;
+var_vararg_decl = var341;
 var_j = 0l;
-var_i280 = 0l;
+var_i348 = 0l;
 {
-var281 = nitc___nitc__MSignature___arity(var_msignature);
+var349 = nitc___nitc__MSignature___arity(var_msignature);
 }
-var_282 = var281;
+var_350 = var349;
 for(;;) {
 {
-{ /* Inline kernel#Int#< (var_i280,var_282) on <var_i280:Int> */
-/* Covariant cast for argument 0 (i) <var_282:Int> isa OTHER */
-/* <var_282:Int> isa OTHER */
-var285 = 1; /* easy <var_282:Int> isa OTHER*/
-if (unlikely(!var285)) {
-var_class_name288 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name288);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+{ /* Inline kernel$Int$< (var_i348,var_350) on <var_i348:Int> */
+/* Covariant cast for argument 0 (i) <var_350:Int> isa OTHER */
+/* <var_350:Int> isa OTHER */
+var353 = 1; /* easy <var_350:Int> isa OTHER*/
+if (unlikely(!var353)) {
+var_class_name356 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name356);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
-var289 = var_i280 < var_282;
-var283 = var289;
-goto RET_LABEL284;
-RET_LABEL284:(void)0;
+var357 = var_i348 < var_350;
+var351 = var357;
+goto RET_LABEL352;
+RET_LABEL352:(void)0;
 }
 }
-if (var283){
+if (var351){
 } else {
-goto BREAK_label290;
+goto BREAK_label358;
 }
 {
-{ /* Inline typing#SignatureMap#map (var_map) on <var_map:SignatureMap> */
-var293 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
-if (unlikely(var293 == NULL)) {
+{ /* Inline typing$SignatureMap$map (var_map) on <var_map:SignatureMap> */
+var361 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
+if (unlikely(var361 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _map");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 628);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 632);
 fatal_exit(1);
 }
-var291 = var293;
-RET_LABEL292:(void)0;
+var359 = var361;
+RET_LABEL360:(void)0;
 }
 }
 {
-var295 = (val*)(var_i280<<2|1);
-var294 = core___core__CoupleMap___MapRead__has_key(var291, var295);
+var363 = (val*)(var_i348<<2|1);
+var362 = core___core__CoupleMap___MapRead__has_key(var359, var363);
 }
-if (var294){
-goto BREAK_label296;
+if (var362){
+goto BREAK_label364;
 } else {
 }
 {
-{ /* Inline model#MSignature#mparameters (var_msignature) on <var_msignature:MSignature> */
-var299 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
-if (unlikely(var299 == NULL)) {
+{ /* Inline model$MSignature$mparameters (var_msignature) on <var_msignature:MSignature> */
+var367 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
+if (unlikely(var367 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mparameters");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1879);
 fatal_exit(1);
 }
-var297 = var299;
-RET_LABEL298:(void)0;
+var365 = var367;
+RET_LABEL366:(void)0;
 }
 }
 {
-var300 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var297, var_i280);
+var368 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var365, var_i348);
 }
-var_param301 = var300;
+var_param369 = var368;
 for(;;) {
 {
-{ /* Inline kernel#Int#< (var_j,var_nbargs) on <var_j:Int> */
+{ /* Inline kernel$Int$< (var_j,var_nbargs) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <var_nbargs:Int> isa OTHER */
 /* <var_nbargs:Int> isa OTHER */
-var305 = 1; /* easy <var_nbargs:Int> isa OTHER*/
-if (unlikely(!var305)) {
-var_class_name308 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name308);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+var373 = 1; /* easy <var_nbargs:Int> isa OTHER*/
+if (unlikely(!var373)) {
+var_class_name376 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name376);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
-var309 = var_j < var_nbargs;
-var303 = var309;
-goto RET_LABEL304;
-RET_LABEL304:(void)0;
+var377 = var_j < var_nbargs;
+var371 = var377;
+goto RET_LABEL372;
+RET_LABEL372:(void)0;
 }
 }
-var_310 = var303;
-if (var303){
+var_378 = var371;
+if (var371){
 {
-var311 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_j);
+var379 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_j);
 }
-/* <var311:nullable Object(AExpr)> isa ANamedargExpr */
-cltype313 = type_nitc__ANamedargExpr.color;
-idtype314 = type_nitc__ANamedargExpr.id;
-if(cltype313 >= var311->type->table_size) {
-var312 = 0;
+/* <var379:nullable Object(AExpr)> isa ANamedargExpr */
+cltype381 = type_nitc__ANamedargExpr.color;
+idtype382 = type_nitc__ANamedargExpr.id;
+if(cltype381 >= var379->type->table_size) {
+var380 = 0;
 } else {
-var312 = var311->type->type_table[cltype313] == idtype314;
+var380 = var379->type->type_table[cltype381] == idtype382;
 }
-var302 = var312;
+var370 = var380;
 } else {
-var302 = var_310;
+var370 = var_378;
 }
-if (var302){
+if (var370){
 {
-{ /* Inline kernel#Int#+ (var_j,1l) on <var_j:Int> */
+{ /* Inline kernel$Int$+ (var_j,1l) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var317 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var317)) {
-var_class_name320 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name320);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var385 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var385)) {
+var_class_name388 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name388);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var321 = var_j + 1l;
-var315 = var321;
-goto RET_LABEL316;
-RET_LABEL316:(void)0;
+var389 = var_j + 1l;
+var383 = var389;
+goto RET_LABEL384;
+RET_LABEL384:(void)0;
 }
 }
-var_j = var315;
+var_j = var383;
 } else {
-goto BREAK_label322;
+goto BREAK_label390;
 }
 }
-BREAK_label322: (void)0;
+BREAK_label390: (void)0;
 {
-{ /* Inline kernel#Int#>= (var_j,var_nbargs) on <var_j:Int> */
+{ /* Inline kernel$Int$>= (var_j,var_nbargs) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <var_nbargs:Int> isa OTHER */
 /* <var_nbargs:Int> isa OTHER */
-var325 = 1; /* easy <var_nbargs:Int> isa OTHER*/
-if (unlikely(!var325)) {
-var_class_name328 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name328);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 729);
+var393 = 1; /* easy <var_nbargs:Int> isa OTHER*/
+if (unlikely(!var393)) {
+var_class_name396 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name396);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 726);
 fatal_exit(1);
 }
-var329 = var_j >= var_nbargs;
-var323 = var329;
-goto RET_LABEL324;
-RET_LABEL324:(void)0;
+var397 = var_j >= var_nbargs;
+var391 = var397;
+goto RET_LABEL392;
+RET_LABEL392:(void)0;
 }
 }
-if (var323){
+if (var391){
 {
-{ /* Inline model#MParameter#mtype (var_param301) on <var_param301:MParameter> */
-var332 = var_param301->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param301:MParameter> */
-if (unlikely(var332 == NULL)) {
+{ /* Inline model$MParameter$mtype (var_param369) on <var_param369:MParameter> */
+var400 = var_param369->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param369:MParameter> */
+if (unlikely(var400 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
-var330 = var332;
-RET_LABEL331:(void)0;
+var398 = var400;
+RET_LABEL399:(void)0;
 }
 }
-/* <var330:MType> isa MNullableType */
-cltype334 = type_nitc__MNullableType.color;
-idtype335 = type_nitc__MNullableType.id;
-if(cltype334 >= var330->type->table_size) {
-var333 = 0;
+/* <var398:MType> isa MNullableType */
+cltype402 = type_nitc__MNullableType.color;
+idtype403 = type_nitc__MNullableType.id;
+if(cltype402 >= var398->type->table_size) {
+var401 = 0;
 } else {
-var333 = var330->type->type_table[cltype334] == idtype335;
+var401 = var398->type->type_table[cltype402] == idtype403;
 }
-var336 = !var333;
-if (var336){
+var404 = !var401;
+if (var404){
 {
-{ /* Inline kernel#Int#+ (var_j,1l) on <var_j:Int> */
+{ /* Inline kernel$Int$+ (var_j,1l) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var339 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var339)) {
-var_class_name342 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name342);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var407 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var407)) {
+var_class_name410 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name410);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var343 = var_j + 1l;
-var337 = var343;
-goto RET_LABEL338;
-RET_LABEL338:(void)0;
+var411 = var_j + 1l;
+var405 = var411;
+goto RET_LABEL406;
+RET_LABEL406:(void)0;
 }
 }
-var_min_arity = var337;
+var_min_arity = var405;
 } else {
 }
 {
-{ /* Inline kernel#Int#+ (var_j,1l) on <var_j:Int> */
+{ /* Inline kernel$Int$+ (var_j,1l) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var346 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var346)) {
-var_class_name349 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name349);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var414 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var414)) {
+var_class_name417 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name417);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var350 = var_j + 1l;
-var344 = var350;
-goto RET_LABEL345;
-RET_LABEL345:(void)0;
+var418 = var_j + 1l;
+var412 = var418;
+goto RET_LABEL413;
+RET_LABEL413:(void)0;
 }
 }
-var_j = var344;
-goto BREAK_label296;
+var_j = var412;
+goto BREAK_label364;
 } else {
 }
 {
-var351 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_j);
+var419 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_j);
 }
-var_arg = var351;
+var_arg = var419;
 {
-{ /* Inline typing#SignatureMap#map (var_map) on <var_map:SignatureMap> */
-var354 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
-if (unlikely(var354 == NULL)) {
+{ /* Inline typing$SignatureMap$map (var_map) on <var_map:SignatureMap> */
+var422 = var_map->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <var_map:SignatureMap> */
+if (unlikely(var422 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _map");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 628);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 632);
 fatal_exit(1);
 }
-var352 = var354;
-RET_LABEL353:(void)0;
+var420 = var422;
+RET_LABEL421:(void)0;
 }
 }
 {
-var355 = (val*)(var_i280<<2|1);
-var356 = (val*)(var_j<<2|1);
-core___core__ArrayMap___core__abstract_collection__Map___91d_93d_61d(var352, var355, var356); /* Direct call array#ArrayMap#[]= on <var352:ArrayMap[Int, Int]>*/
+var423 = (val*)(var_i348<<2|1);
+var424 = (val*)(var_j<<2|1);
+core___core__ArrayMap___core__abstract_collection__Map___91d_93d_61d(var420, var423, var424); /* Direct call array$ArrayMap$[]= on <var420:ArrayMap[Int, Int]>*/
 }
 {
-{ /* Inline kernel#Int#+ (var_j,1l) on <var_j:Int> */
+{ /* Inline kernel$Int$+ (var_j,1l) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var359 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var359)) {
-var_class_name362 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name362);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var427 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var427)) {
+var_class_name430 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name430);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var363 = var_j + 1l;
-var357 = var363;
-goto RET_LABEL358;
-RET_LABEL358:(void)0;
+var431 = var_j + 1l;
+var425 = var431;
+goto RET_LABEL426;
+RET_LABEL426:(void)0;
 }
 }
-var_j = var357;
+var_j = var425;
 {
-{ /* Inline kernel#Int#== (var_i280,var_vararg_rank) on <var_i280:Int> */
-var366 = var_i280 == var_vararg_rank;
-var364 = var366;
-goto RET_LABEL365;
-RET_LABEL365:(void)0;
+{ /* Inline kernel$Int$== (var_i348,var_vararg_rank) on <var_i348:Int> */
+var434 = var_i348 == var_vararg_rank;
+var432 = var434;
+goto RET_LABEL433;
+RET_LABEL433:(void)0;
 }
 }
-if (var364){
+if (var432){
 {
-{ /* Inline kernel#Int#+ (var_j,var_vararg_decl) on <var_j:Int> */
+{ /* Inline kernel$Int$+ (var_j,var_vararg_decl) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <var_vararg_decl:Int> isa OTHER */
 /* <var_vararg_decl:Int> isa OTHER */
-var369 = 1; /* easy <var_vararg_decl:Int> isa OTHER*/
-if (unlikely(!var369)) {
-var_class_name372 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name372);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var437 = 1; /* easy <var_vararg_decl:Int> isa OTHER*/
+if (unlikely(!var437)) {
+var_class_name440 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name440);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var373 = var_j + var_vararg_decl;
-var367 = var373;
-goto RET_LABEL368;
-RET_LABEL368:(void)0;
+var441 = var_j + var_vararg_decl;
+var435 = var441;
+goto RET_LABEL436;
+RET_LABEL436:(void)0;
 }
 }
-var_j = var367;
-goto BREAK_label296;
+var_j = var435;
+goto BREAK_label364;
 } else {
 }
 {
-{ /* Inline model#MParameter#is_vararg (var_param301) on <var_param301:MParameter> */
-var376 = var_param301->attrs[COLOR_nitc__model__MParameter___is_vararg].s; /* _is_vararg on <var_param301:MParameter> */
-var374 = var376;
-RET_LABEL375:(void)0;
+{ /* Inline model$MParameter$is_vararg (var_param369) on <var_param369:MParameter> */
+var444 = var_param369->attrs[COLOR_nitc__model__MParameter___is_vararg].s; /* _is_vararg on <var_param369:MParameter> */
+var442 = var444;
+RET_LABEL443:(void)0;
 }
 }
-var377 = !var374;
-if (var377){
+var445 = !var442;
+if (var445){
 {
-{ /* Inline model#MParameter#mtype (var_param301) on <var_param301:MParameter> */
-var380 = var_param301->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param301:MParameter> */
-if (unlikely(var380 == NULL)) {
+{ /* Inline model$MParameter$mtype (var_param369) on <var_param369:MParameter> */
+var448 = var_param369->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param369:MParameter> */
+if (unlikely(var448 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
-var378 = var380;
-RET_LABEL379:(void)0;
+var446 = var448;
+RET_LABEL447:(void)0;
 }
 }
-var_paramtype = var378;
+var_paramtype = var446;
 {
-var381 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var_arg, var_paramtype);
+var449 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var_arg, var_paramtype);
 }
 } else {
 {
-var382 = nitc__typing___nitc__typing__TypeVisitor___check_one_vararg(self, var_arg, var_param301);
+var450 = nitc__typing___nitc__typing__TypeVisitor___check_one_vararg(self, var_arg, var_param369);
 }
 }
-BREAK_label296: (void)0;
+BREAK_label364: (void)0;
 {
-var383 = core___core__Int___Discrete__successor(var_i280, 1l);
+var451 = core___core__Int___Discrete__successor(var_i348, 1l);
 }
-var_i280 = var383;
+var_i348 = var451;
 }
-BREAK_label290: (void)0;
+BREAK_label358: (void)0;
 {
-{ /* Inline kernel#Int#> (var_min_arity,0l) on <var_min_arity:Int> */
+{ /* Inline kernel$Int$> (var_min_arity,0l) on <var_min_arity:Int> */
 /* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
 /* <0l:Int> isa OTHER */
-var386 = 1; /* easy <0l:Int> isa OTHER*/
-if (unlikely(!var386)) {
-var_class_name389 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name389);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 730);
+var454 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var454)) {
+var_class_name457 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name457);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
 fatal_exit(1);
 }
-var390 = var_min_arity > 0l;
-var384 = var390;
-goto RET_LABEL385;
-RET_LABEL385:(void)0;
+var458 = var_min_arity > 0l;
+var452 = var458;
+goto RET_LABEL453;
+RET_LABEL453:(void)0;
 }
 }
-if (var384){
+if (var452){
 if (var_last_is_padded){
 {
-{ /* Inline kernel#Int#+ (var_min_arity,1l) on <var_min_arity:Int> */
+{ /* Inline kernel$Int$+ (var_min_arity,1l) on <var_min_arity:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var393 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var393)) {
-var_class_name396 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name396);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var461 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var461)) {
+var_class_name464 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name464);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var397 = var_min_arity + 1l;
-var391 = var397;
-goto RET_LABEL392;
-RET_LABEL392:(void)0;
+var465 = var_min_arity + 1l;
+var459 = var465;
+goto RET_LABEL460;
+RET_LABEL460:(void)0;
 }
 }
-var_min_arity = var391;
+var_min_arity = var459;
 } else {
 }
 {
-var398 = nitc___nitc__MSignature___arity(var_msignature);
+var466 = nitc___nitc__MSignature___arity(var_msignature);
 }
 {
-{ /* Inline kernel#Int#< (var_min_arity,var398) on <var_min_arity:Int> */
-/* Covariant cast for argument 0 (i) <var398:Int> isa OTHER */
-/* <var398:Int> isa OTHER */
-var401 = 1; /* easy <var398:Int> isa OTHER*/
-if (unlikely(!var401)) {
-var_class_name404 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name404);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+{ /* Inline kernel$Int$< (var_min_arity,var466) on <var_min_arity:Int> */
+/* Covariant cast for argument 0 (i) <var466:Int> isa OTHER */
+/* <var466:Int> isa OTHER */
+var469 = 1; /* easy <var466:Int> isa OTHER*/
+if (unlikely(!var469)) {
+var_class_name472 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name472);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
-var405 = var_min_arity < var398;
-var399 = var405;
-goto RET_LABEL400;
-RET_LABEL400:(void)0;
+var473 = var_min_arity < var466;
+var467 = var473;
+goto RET_LABEL468;
+RET_LABEL468:(void)0;
 }
 }
-if (var399){
+if (var467){
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var408 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var408 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var476 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var476 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var406 = var408;
-RET_LABEL407:(void)0;
+var474 = var476;
+RET_LABEL475:(void)0;
 }
 }
-if (unlikely(varonce409==NULL)) {
-var410 = NEW_core__NativeArray(10l, &type_core__NativeArray__core__String);
-if (likely(varonce411!=NULL)) {
-var412 = varonce411;
+if (unlikely(varonce477==NULL)) {
+var478 = NEW_core__NativeArray((int)10l, &type_core__NativeArray__core__String);
+if (likely(varonce479!=NULL)) {
+var480 = varonce479;
 } else {
-var413 = "Error: expected at least ";
-var414 = core__flat___NativeString___to_s_full(var413, 25l, 25l);
-var412 = var414;
-varonce411 = var412;
+var481 = "Error: expected at least ";
+var483 = (val*)(25l<<2|1);
+var484 = (val*)(25l<<2|1);
+var485 = (val*)((long)(0)<<2|3);
+var486 = (val*)((long)(0)<<2|3);
+var482 = core__flat___CString___to_s_unsafe(var481, var483, var484, var485, var486);
+var480 = var482;
+varonce479 = var480;
 }
-((struct instance_core__NativeArray*)var410)->values[0]=var412;
-if (likely(varonce415!=NULL)) {
-var416 = varonce415;
+((struct instance_core__NativeArray*)var478)->values[0]=var480;
+if (likely(varonce487!=NULL)) {
+var488 = varonce487;
 } else {
-var417 = " argument(s) for `";
-var418 = core__flat___NativeString___to_s_full(var417, 18l, 18l);
-var416 = var418;
-varonce415 = var416;
+var489 = " argument(s) for `";
+var491 = (val*)(18l<<2|1);
+var492 = (val*)(18l<<2|1);
+var493 = (val*)((long)(0)<<2|3);
+var494 = (val*)((long)(0)<<2|3);
+var490 = core__flat___CString___to_s_unsafe(var489, var491, var492, var493, var494);
+var488 = var490;
+varonce487 = var488;
 }
-((struct instance_core__NativeArray*)var410)->values[2]=var416;
-if (likely(varonce419!=NULL)) {
-var420 = varonce419;
+((struct instance_core__NativeArray*)var478)->values[2]=var488;
+if (likely(varonce495!=NULL)) {
+var496 = varonce495;
 } else {
-var421 = "`; got ";
-var422 = core__flat___NativeString___to_s_full(var421, 7l, 7l);
-var420 = var422;
-varonce419 = var420;
+var497 = "`; got ";
+var499 = (val*)(7l<<2|1);
+var500 = (val*)(7l<<2|1);
+var501 = (val*)((long)(0)<<2|3);
+var502 = (val*)((long)(0)<<2|3);
+var498 = core__flat___CString___to_s_unsafe(var497, var499, var500, var501, var502);
+var496 = var498;
+varonce495 = var496;
 }
-((struct instance_core__NativeArray*)var410)->values[5]=var420;
-if (likely(varonce423!=NULL)) {
-var424 = varonce423;
+((struct instance_core__NativeArray*)var478)->values[5]=var496;
+if (likely(varonce503!=NULL)) {
+var504 = varonce503;
 } else {
-var425 = ". See introduction at `";
-var426 = core__flat___NativeString___to_s_full(var425, 23l, 23l);
-var424 = var426;
-varonce423 = var424;
+var505 = ". See introduction at `";
+var507 = (val*)(23l<<2|1);
+var508 = (val*)(23l<<2|1);
+var509 = (val*)((long)(0)<<2|3);
+var510 = (val*)((long)(0)<<2|3);
+var506 = core__flat___CString___to_s_unsafe(var505, var507, var508, var509, var510);
+var504 = var506;
+varonce503 = var504;
 }
-((struct instance_core__NativeArray*)var410)->values[7]=var424;
-if (likely(varonce427!=NULL)) {
-var428 = varonce427;
+((struct instance_core__NativeArray*)var478)->values[7]=var504;
+if (likely(varonce511!=NULL)) {
+var512 = varonce511;
 } else {
-var429 = "`.";
-var430 = core__flat___NativeString___to_s_full(var429, 2l, 2l);
-var428 = var430;
-varonce427 = var428;
+var513 = "`.";
+var515 = (val*)(2l<<2|1);
+var516 = (val*)(2l<<2|1);
+var517 = (val*)((long)(0)<<2|3);
+var518 = (val*)((long)(0)<<2|3);
+var514 = core__flat___CString___to_s_unsafe(var513, var515, var516, var517, var518);
+var512 = var514;
+varonce511 = var512;
 }
-((struct instance_core__NativeArray*)var410)->values[9]=var428;
+((struct instance_core__NativeArray*)var478)->values[9]=var512;
 } else {
-var410 = varonce409;
-varonce409 = NULL;
+var478 = varonce477;
+varonce477 = NULL;
 }
-var431 = core__flat___Int___core__abstract_text__Object__to_s(var_min_arity);
-((struct instance_core__NativeArray*)var410)->values[1]=var431;
+var519 = core__flat___Int___core__abstract_text__Object__to_s(var_min_arity);
+((struct instance_core__NativeArray*)var478)->values[1]=var519;
 {
-var432 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
+var520 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
 }
-((struct instance_core__NativeArray*)var410)->values[3]=var432;
+((struct instance_core__NativeArray*)var478)->values[3]=var520;
 {
-var433 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
+var521 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
 }
-((struct instance_core__NativeArray*)var410)->values[4]=var433;
+((struct instance_core__NativeArray*)var478)->values[4]=var521;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var436 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var434 = var436;
-RET_LABEL435:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var524 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var522 = var524;
+RET_LABEL523:(void)0;
 }
 }
-var437 = core__flat___Int___core__abstract_text__Object__to_s(var434);
-((struct instance_core__NativeArray*)var410)->values[6]=var437;
+var525 = core__flat___Int___core__abstract_text__Object__to_s(var522);
+((struct instance_core__NativeArray*)var478)->values[6]=var525;
 {
-var438 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
+var526 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
 }
-((struct instance_core__NativeArray*)var410)->values[8]=var438;
+((struct instance_core__NativeArray*)var478)->values[8]=var526;
 {
-var439 = ((val*(*)(val* self))(var410->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var410); /* native_to_s on <var410:NativeArray[String]>*/
+var527 = ((val*(*)(val* self))(var478->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var478); /* native_to_s on <var478:NativeArray[String]>*/
 }
-varonce409 = var410;
+varonce477 = var478;
 {
-nitc___nitc__ModelBuilder___error(var406, var_node, var439); /* Direct call modelbuilder_base#ModelBuilder#error on <var406:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var474, var_node, var527); /* Direct call modelbuilder_base$ModelBuilder$error on <var474:ModelBuilder>*/
 }
 } else {
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
-var442 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
-if (unlikely(var442 == NULL)) {
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
+var530 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
+if (unlikely(var530 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
 }
-var440 = var442;
-RET_LABEL441:(void)0;
+var528 = var530;
+RET_LABEL529:(void)0;
 }
 }
-if (unlikely(varonce443==NULL)) {
-var444 = NEW_core__NativeArray(10l, &type_core__NativeArray__core__String);
-if (likely(varonce445!=NULL)) {
-var446 = varonce445;
+if (unlikely(varonce531==NULL)) {
+var532 = NEW_core__NativeArray((int)10l, &type_core__NativeArray__core__String);
+if (likely(varonce533!=NULL)) {
+var534 = varonce533;
 } else {
-var447 = "Error: expected ";
-var448 = core__flat___NativeString___to_s_full(var447, 16l, 16l);
-var446 = var448;
-varonce445 = var446;
+var535 = "Error: expected ";
+var537 = (val*)(16l<<2|1);
+var538 = (val*)(16l<<2|1);
+var539 = (val*)((long)(0)<<2|3);
+var540 = (val*)((long)(0)<<2|3);
+var536 = core__flat___CString___to_s_unsafe(var535, var537, var538, var539, var540);
+var534 = var536;
+varonce533 = var534;
 }
-((struct instance_core__NativeArray*)var444)->values[0]=var446;
-if (likely(varonce449!=NULL)) {
-var450 = varonce449;
+((struct instance_core__NativeArray*)var532)->values[0]=var534;
+if (likely(varonce541!=NULL)) {
+var542 = varonce541;
 } else {
-var451 = " argument(s) for `";
-var452 = core__flat___NativeString___to_s_full(var451, 18l, 18l);
-var450 = var452;
-varonce449 = var450;
+var543 = " argument(s) for `";
+var545 = (val*)(18l<<2|1);
+var546 = (val*)(18l<<2|1);
+var547 = (val*)((long)(0)<<2|3);
+var548 = (val*)((long)(0)<<2|3);
+var544 = core__flat___CString___to_s_unsafe(var543, var545, var546, var547, var548);
+var542 = var544;
+varonce541 = var542;
 }
-((struct instance_core__NativeArray*)var444)->values[2]=var450;
-if (likely(varonce453!=NULL)) {
-var454 = varonce453;
+((struct instance_core__NativeArray*)var532)->values[2]=var542;
+if (likely(varonce549!=NULL)) {
+var550 = varonce549;
 } else {
-var455 = "`; got ";
-var456 = core__flat___NativeString___to_s_full(var455, 7l, 7l);
-var454 = var456;
-varonce453 = var454;
+var551 = "`; got ";
+var553 = (val*)(7l<<2|1);
+var554 = (val*)(7l<<2|1);
+var555 = (val*)((long)(0)<<2|3);
+var556 = (val*)((long)(0)<<2|3);
+var552 = core__flat___CString___to_s_unsafe(var551, var553, var554, var555, var556);
+var550 = var552;
+varonce549 = var550;
 }
-((struct instance_core__NativeArray*)var444)->values[5]=var454;
-if (likely(varonce457!=NULL)) {
-var458 = varonce457;
+((struct instance_core__NativeArray*)var532)->values[5]=var550;
+if (likely(varonce557!=NULL)) {
+var558 = varonce557;
 } else {
-var459 = ". See introduction at `";
-var460 = core__flat___NativeString___to_s_full(var459, 23l, 23l);
-var458 = var460;
-varonce457 = var458;
+var559 = ". See introduction at `";
+var561 = (val*)(23l<<2|1);
+var562 = (val*)(23l<<2|1);
+var563 = (val*)((long)(0)<<2|3);
+var564 = (val*)((long)(0)<<2|3);
+var560 = core__flat___CString___to_s_unsafe(var559, var561, var562, var563, var564);
+var558 = var560;
+varonce557 = var558;
 }
-((struct instance_core__NativeArray*)var444)->values[7]=var458;
-if (likely(varonce461!=NULL)) {
-var462 = varonce461;
+((struct instance_core__NativeArray*)var532)->values[7]=var558;
+if (likely(varonce565!=NULL)) {
+var566 = varonce565;
 } else {
-var463 = "`.";
-var464 = core__flat___NativeString___to_s_full(var463, 2l, 2l);
-var462 = var464;
-varonce461 = var462;
+var567 = "`.";
+var569 = (val*)(2l<<2|1);
+var570 = (val*)(2l<<2|1);
+var571 = (val*)((long)(0)<<2|3);
+var572 = (val*)((long)(0)<<2|3);
+var568 = core__flat___CString___to_s_unsafe(var567, var569, var570, var571, var572);
+var566 = var568;
+varonce565 = var566;
 }
-((struct instance_core__NativeArray*)var444)->values[9]=var462;
+((struct instance_core__NativeArray*)var532)->values[9]=var566;
 } else {
-var444 = varonce443;
-varonce443 = NULL;
+var532 = varonce531;
+varonce531 = NULL;
 }
-var465 = core__flat___Int___core__abstract_text__Object__to_s(var_min_arity);
-((struct instance_core__NativeArray*)var444)->values[1]=var465;
+var573 = core__flat___Int___core__abstract_text__Object__to_s(var_min_arity);
+((struct instance_core__NativeArray*)var532)->values[1]=var573;
 {
-var466 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
+var574 = ((val*(*)(val* self))(var_mproperty->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_mproperty); /* to_s on <var_mproperty:MProperty>*/
 }
-((struct instance_core__NativeArray*)var444)->values[3]=var466;
+((struct instance_core__NativeArray*)var532)->values[3]=var574;
 {
-var467 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
+var575 = ((val*(*)(val* self))(var_msignature->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_msignature); /* to_s on <var_msignature:MSignature>*/
 }
-((struct instance_core__NativeArray*)var444)->values[4]=var467;
+((struct instance_core__NativeArray*)var532)->values[4]=var575;
 {
-{ /* Inline array#AbstractArrayRead#length (var_args) on <var_args:Array[AExpr]> */
-var470 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
-var468 = var470;
-RET_LABEL469:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_args) on <var_args:Array[AExpr]> */
+var578 = var_args->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_args:Array[AExpr]> */
+var576 = var578;
+RET_LABEL577:(void)0;
 }
 }
-var471 = core__flat___Int___core__abstract_text__Object__to_s(var468);
-((struct instance_core__NativeArray*)var444)->values[6]=var471;
+var579 = core__flat___Int___core__abstract_text__Object__to_s(var576);
+((struct instance_core__NativeArray*)var532)->values[6]=var579;
 {
-var472 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
+var580 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mproperty);
 }
-((struct instance_core__NativeArray*)var444)->values[8]=var472;
+((struct instance_core__NativeArray*)var532)->values[8]=var580;
 {
-var473 = ((val*(*)(val* self))(var444->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var444); /* native_to_s on <var444:NativeArray[String]>*/
+var581 = ((val*(*)(val* self))(var532->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var532); /* native_to_s on <var532:NativeArray[String]>*/
 }
-varonce443 = var444;
+varonce531 = var532;
 {
-nitc___nitc__ModelBuilder___error(var440, var_node, var473); /* Direct call modelbuilder_base#ModelBuilder#error on <var440:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var528, var_node, var581); /* Direct call modelbuilder_base$ModelBuilder$error on <var528:ModelBuilder>*/
 }
 }
 var = ((val*)NULL);
@@ -6309,165 +7487,174 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline kernel#Int#>= (var_vararg_rank,0l) on <var_vararg_rank:Int> */
+{ /* Inline kernel$Int$>= (var_vararg_rank,0l) on <var_vararg_rank:Int> */
 /* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
 /* <0l:Int> isa OTHER */
-var476 = 1; /* easy <0l:Int> isa OTHER*/
-if (unlikely(!var476)) {
-var_class_name479 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name479);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 729);
+var584 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var584)) {
+var_class_name587 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name587);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 726);
 fatal_exit(1);
 }
-var480 = var_vararg_rank >= 0l;
-var474 = var480;
-goto RET_LABEL475;
-RET_LABEL475:(void)0;
+var588 = var_vararg_rank >= 0l;
+var582 = var588;
+goto RET_LABEL583;
+RET_LABEL583:(void)0;
 }
 }
-if (var474){
+if (var582){
 {
-{ /* Inline model#MSignature#mparameters (var_msignature) on <var_msignature:MSignature> */
-var483 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
-if (unlikely(var483 == NULL)) {
+{ /* Inline model$MSignature$mparameters (var_msignature) on <var_msignature:MSignature> */
+var591 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
+if (unlikely(var591 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mparameters");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1879);
 fatal_exit(1);
 }
-var481 = var483;
-RET_LABEL482:(void)0;
+var589 = var591;
+RET_LABEL590:(void)0;
 }
 }
 {
-var484 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var481, var_vararg_rank);
+var592 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var589, var_vararg_rank);
 }
 {
-{ /* Inline model#MParameter#mtype (var484) on <var484:nullable Object(MParameter)> */
-var487 = var484->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var484:nullable Object(MParameter)> */
-if (unlikely(var487 == NULL)) {
+{ /* Inline model$MParameter$mtype (var592) on <var592:nullable Object(MParameter)> */
+var595 = var592->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var592:nullable Object(MParameter)> */
+if (unlikely(var595 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
-var485 = var487;
-RET_LABEL486:(void)0;
+var593 = var595;
+RET_LABEL594:(void)0;
 }
 }
-var_paramtype488 = var485;
+var_paramtype596 = var593;
 {
-var489 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_vararg_rank);
+var597 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_vararg_rank);
 }
-var_first = var489;
+var_first = var597;
 {
-{ /* Inline kernel#Int#== (var_vararg_decl,0l) on <var_vararg_decl:Int> */
-var492 = var_vararg_decl == 0l;
-var490 = var492;
-goto RET_LABEL491;
-RET_LABEL491:(void)0;
+{ /* Inline kernel$Int$== (var_vararg_decl,0l) on <var_vararg_decl:Int> */
+var600 = var_vararg_decl == 0l;
+var598 = var600;
+goto RET_LABEL599;
+RET_LABEL599:(void)0;
 }
 }
-if (var490){
+if (var598){
 {
-{ /* Inline model#MSignature#mparameters (var_msignature) on <var_msignature:MSignature> */
-var495 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
-if (unlikely(var495 == NULL)) {
+{ /* Inline model$MSignature$mparameters (var_msignature) on <var_msignature:MSignature> */
+var603 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:MSignature> */
+if (unlikely(var603 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mparameters");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1879);
 fatal_exit(1);
 }
-var493 = var495;
-RET_LABEL494:(void)0;
+var601 = var603;
+RET_LABEL602:(void)0;
 }
 }
 {
-var496 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var493, var_vararg_rank);
+var604 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var601, var_vararg_rank);
 }
 {
-var497 = nitc__typing___nitc__typing__TypeVisitor___check_one_vararg(self, var_first, var496);
+var605 = nitc__typing___nitc__typing__TypeVisitor___check_one_vararg(self, var_first, var604);
 }
-var498 = !var497;
-if (var498){
+var606 = !var605;
+if (var606){
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
 } else {
 {
-{ /* Inline kernel#Int#+ (var_vararg_decl,1l) on <var_vararg_decl:Int> */
+{ /* Inline kernel$Int$+ (var_vararg_decl,1l) on <var_vararg_decl:Int> */
 /* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
 /* <1l:Int> isa OTHER */
-var501 = 1; /* easy <1l:Int> isa OTHER*/
-if (unlikely(!var501)) {
-var_class_name504 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name504);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var609 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var609)) {
+var_class_name612 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name612);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var505 = var_vararg_decl + 1l;
-var499 = var505;
-goto RET_LABEL500;
-RET_LABEL500:(void)0;
+var613 = var_vararg_decl + 1l;
+var607 = var613;
+goto RET_LABEL608;
+RET_LABEL608:(void)0;
 }
 }
 {
-{ /* Inline typing#AExpr#vararg_decl= (var_first,var499) on <var_first:AExpr> */
-var_first->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l = var499; /* _vararg_decl on <var_first:AExpr> */
-RET_LABEL506:(void)0;
+{ /* Inline typing$AExpr$vararg_decl= (var_first,var607) on <var_first:AExpr> */
+var_first->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l = var607; /* _vararg_decl on <var_first:AExpr> */
+RET_LABEL614:(void)0;
 }
 }
-var_i507 = var_vararg_rank;
+var_i615 = var_vararg_rank;
 {
-{ /* Inline kernel#Int#+ (var_vararg_rank,var_vararg_decl) on <var_vararg_rank:Int> */
+{ /* Inline kernel$Int$+ (var_vararg_rank,var_vararg_decl) on <var_vararg_rank:Int> */
 /* Covariant cast for argument 0 (i) <var_vararg_decl:Int> isa OTHER */
 /* <var_vararg_decl:Int> isa OTHER */
-var510 = 1; /* easy <var_vararg_decl:Int> isa OTHER*/
-if (unlikely(!var510)) {
-var_class_name513 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name513);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+var618 = 1; /* easy <var_vararg_decl:Int> isa OTHER*/
+if (unlikely(!var618)) {
+var_class_name621 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name621);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
 fatal_exit(1);
 }
-var514 = var_vararg_rank + var_vararg_decl;
-var508 = var514;
-goto RET_LABEL509;
-RET_LABEL509:(void)0;
+var622 = var_vararg_rank + var_vararg_decl;
+var616 = var622;
+goto RET_LABEL617;
+RET_LABEL617:(void)0;
 }
 }
-var_515 = var508;
+var_623 = var616;
 for(;;) {
 {
-{ /* Inline kernel#Int#<= (var_i507,var_515) on <var_i507:Int> */
-/* Covariant cast for argument 0 (i) <var_515:Int> isa OTHER */
-/* <var_515:Int> isa OTHER */
-var518 = 1; /* easy <var_515:Int> isa OTHER*/
-if (unlikely(!var518)) {
-var_class_name521 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name521);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
+{ /* Inline kernel$Int$<= (var_i615,var_623) on <var_i615:Int> */
+/* Covariant cast for argument 0 (i) <var_623:Int> isa OTHER */
+/* <var_623:Int> isa OTHER */
+var626 = 1; /* easy <var_623:Int> isa OTHER*/
+if (unlikely(!var626)) {
+var_class_name629 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name629);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 724);
 fatal_exit(1);
 }
-var522 = var_i507 <= var_515;
-var516 = var522;
-goto RET_LABEL517;
-RET_LABEL517:(void)0;
+var630 = var_i615 <= var_623;
+var624 = var630;
+goto RET_LABEL625;
+RET_LABEL625:(void)0;
 }
 }
-if (var516){
+if (var624){
 } else {
-goto BREAK_label523;
+goto BREAK_label631;
 }
 {
-var524 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_i507);
+var632 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_args, var_i615);
 }
 {
-var525 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var524, var_paramtype488);
+var633 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var632, var_paramtype596);
 }
 {
-var526 = core___core__Int___Discrete__successor(var_i507, 1l);
+var634 = core___core__Int___Discrete__successor(var_i615, 1l);
 }
-var_i507 = var526;
+var_i615 = var634;
 }
-BREAK_label523: (void)0;
+BREAK_label631: (void)0;
 }
 } else {
 }
@@ -6476,7 +7663,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#check_one_vararg for (self: TypeVisitor, AExpr, MParameter): Bool */
+/* method typing$TypeVisitor$check_one_vararg for (self: TypeVisitor, AExpr, MParameter): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___check_one_vararg(val* self, val* p0, val* p1) {
 short int var /* : Bool */;
 val* var_arg /* var arg: AExpr */;
@@ -6486,65 +7673,84 @@ val* var3 /* : MType */;
 val* var_paramtype /* var paramtype: MType */;
 static val* varonce;
 val* var4 /* : String */;
-char* var5 /* : NativeString */;
+char* var5 /* : CString */;
 val* var6 /* : String */;
-val* var7 /* : nullable MClass */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Int */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : nullable Bool */;
+val* var11 /* : nullable MClass */;
 val* var_mclass /* var mclass: nullable MClass */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var11 /* : Bool */;
+short int var12 /* : Bool */;
 short int var13 /* : Bool */;
-val* var14 /* : Array[MType] */;
+val* var_other /* var other: nullable Object */;
+short int var15 /* : Bool */;
+short int var17 /* : Bool */;
+val* var18 /* : Array[MType] */;
 val* var_ /* var : Array[MType] */;
-val* var15 /* : MClassType */;
+val* var19 /* : MClassType */;
 val* var_array_mtype /* var array_mtype: MClassType */;
-short int var16 /* : Bool */;
+short int var20 /* : Bool */;
 int cltype;
 int idtype;
-val* var17 /* : AExpr */;
-val* var19 /* : AExpr */;
-val* var20 /* : nullable MType */;
 val* var21 /* : AExpr */;
 val* var23 /* : AExpr */;
 val* var24 /* : nullable MType */;
-val* var26 /* : nullable MType */;
+val* var25 /* : AExpr */;
+val* var27 /* : AExpr */;
+val* var28 /* : nullable MType */;
+val* var30 /* : nullable MType */;
 val* var_t /* var t: nullable MType */;
-short int var27 /* : Bool */;
-short int var28 /* : Bool */;
-short int var30 /* : Bool */;
+short int var31 /* : Bool */;
 short int var32 /* : Bool */;
-short int var33 /* : Bool */;
 short int var34 /* : Bool */;
-short int var35 /* : Bool */;
-short int var_36 /* var : Bool */;
+short int var36 /* : Bool */;
 short int var37 /* : Bool */;
-val* var39 /* : NativeArray[String] */;
-static val* varonce38;
-static val* varonce40;
-val* var41 /* : String */;
-char* var42 /* : NativeString */;
-val* var43 /* : String */;
+short int var38 /* : Bool */;
+short int var39 /* : Bool */;
+short int var_40 /* var : Bool */;
+short int var41 /* : Bool */;
+val* var43 /* : NativeArray[String] */;
+static val* varonce42;
 static val* varonce44;
 val* var45 /* : String */;
-char* var46 /* : NativeString */;
+char* var46 /* : CString */;
 val* var47 /* : String */;
-static val* varonce48;
-val* var49 /* : String */;
-char* var50 /* : NativeString */;
-val* var51 /* : String */;
-val* var52 /* : String */;
+val* var48 /* : nullable Int */;
+val* var49 /* : nullable Int */;
+val* var50 /* : nullable Bool */;
+val* var51 /* : nullable Bool */;
+static val* varonce52;
 val* var53 /* : String */;
-val* var54 /* : String */;
-val* var56 /* : nullable MType */;
+char* var54 /* : CString */;
+val* var55 /* : String */;
+val* var56 /* : nullable Int */;
+val* var57 /* : nullable Int */;
+val* var58 /* : nullable Bool */;
+val* var59 /* : nullable Bool */;
+static val* varonce60;
+val* var61 /* : String */;
+char* var62 /* : CString */;
+val* var63 /* : String */;
+val* var64 /* : nullable Int */;
+val* var65 /* : nullable Int */;
+val* var66 /* : nullable Bool */;
+val* var67 /* : nullable Bool */;
+val* var68 /* : String */;
+val* var69 /* : String */;
+val* var70 /* : String */;
+val* var72 /* : nullable MType */;
 var_arg = p0;
 var_param = p1;
 {
-{ /* Inline model#MParameter#mtype (var_param) on <var_param:MParameter> */
+{ /* Inline model$MParameter$mtype (var_param) on <var_param:MParameter> */
 var3 = var_param->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var_param:MParameter> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
 var1 = var3;
@@ -6556,204 +7762,226 @@ if (likely(varonce!=NULL)) {
 var4 = varonce;
 } else {
 var5 = "Array";
-var6 = core__flat___NativeString___to_s_full(var5, 5l, 5l);
+var7 = (val*)(5l<<2|1);
+var8 = (val*)(5l<<2|1);
+var9 = (val*)((long)(0)<<2|3);
+var10 = (val*)((long)(0)<<2|3);
+var6 = core__flat___CString___to_s_unsafe(var5, var7, var8, var9, var10);
 var4 = var6;
 varonce = var4;
 }
 {
-var7 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(self, var_arg, var4);
+var11 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(self, var_arg, var4);
 }
-var_mclass = var7;
+var_mclass = var11;
 if (var_mclass == NULL) {
-var8 = 1; /* is null */
+var12 = 1; /* is null */
 } else {
-var8 = 0; /* arg is null but recv is not */
+var12 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mclass,((val*)NULL)) on <var_mclass:nullable MClass> */
+{ /* Inline kernel$Object$== (var_mclass,((val*)NULL)) on <var_mclass:nullable MClass> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mclass,var_other) on <var_mclass:nullable MClass(MClass)> */
-var13 = var_mclass == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_mclass,var_other) on <var_mclass:nullable MClass(MClass)> */
+var17 = var_mclass == var_other;
+var15 = var17;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
 }
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+var13 = var15;
+goto RET_LABEL14;
+RET_LABEL14:(void)0;
 }
-var8 = var9;
+var12 = var13;
 }
-if (var8){
+if (var12){
 var = 0;
 goto RET_LABEL;
 } else {
 }
-var14 = NEW_core__Array(&type_core__Array__nitc__MType);
+var18 = NEW_core__Array(&type_core__Array__nitc__MType);
 {
-core___core__Array___with_capacity(var14, 1l); /* Direct call array#Array#with_capacity on <var14:Array[MType]>*/
+core___core__Array___with_capacity(var18, 1l); /* Direct call array$Array$with_capacity on <var18:Array[MType]>*/
 }
-var_ = var14;
+var_ = var18;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_paramtype); /* Direct call array#AbstractArray#push on <var_:Array[MType]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_paramtype); /* Direct call array$AbstractArray$push on <var_:Array[MType]>*/
 }
 {
-var15 = nitc___nitc__MClass___get_mtype(var_mclass, var_);
+var19 = nitc___nitc__MClass___get_mtype(var_mclass, var_);
 }
-var_array_mtype = var15;
+var_array_mtype = var19;
 /* <var_arg:AExpr> isa AVarargExpr */
 cltype = type_nitc__AVarargExpr.color;
 idtype = type_nitc__AVarargExpr.id;
 if(cltype >= var_arg->type->table_size) {
-var16 = 0;
+var20 = 0;
 } else {
-var16 = var_arg->type->type_table[cltype] == idtype;
+var20 = var_arg->type->type_table[cltype] == idtype;
 }
-if (var16){
+if (var20){
 {
-{ /* Inline parser_nodes#AVarargExpr#n_expr (var_arg) on <var_arg:AExpr(AVarargExpr)> */
-var19 = var_arg->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <var_arg:AExpr(AVarargExpr)> */
-if (unlikely(var19 == NULL)) {
+{ /* Inline parser_nodes$AVarargExpr$n_expr (var_arg) on <var_arg:AExpr(AVarargExpr)> */
+var23 = var_arg->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <var_arg:AExpr(AVarargExpr)> */
+if (unlikely(var23 == 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, 2630);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2711);
 fatal_exit(1);
 }
-var17 = var19;
-RET_LABEL18:(void)0;
+var21 = var23;
+RET_LABEL22:(void)0;
 }
 }
 {
-var20 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var17, var_array_mtype);
+var24 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var21, var_array_mtype);
 }
 {
-{ /* Inline parser_nodes#AVarargExpr#n_expr (var_arg) on <var_arg:AExpr(AVarargExpr)> */
-var23 = var_arg->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <var_arg:AExpr(AVarargExpr)> */
-if (unlikely(var23 == NULL)) {
+{ /* Inline parser_nodes$AVarargExpr$n_expr (var_arg) on <var_arg:AExpr(AVarargExpr)> */
+var27 = var_arg->attrs[COLOR_nitc__parser_nodes__AVarargExpr___n_expr].val; /* _n_expr on <var_arg:AExpr(AVarargExpr)> */
+if (unlikely(var27 == 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, 2630);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 2711);
 fatal_exit(1);
 }
-var21 = var23;
-RET_LABEL22:(void)0;
+var25 = var27;
+RET_LABEL26:(void)0;
 }
 }
 {
-var24 = ((val*(*)(val* self))(var21->class->vft[COLOR_nitc__typing__AExpr__mtype]))(var21); /* mtype on <var21:AExpr>*/
+var28 = ((val*(*)(val* self))(var25->class->vft[COLOR_nitc__typing__AExpr__mtype]))(var25); /* mtype on <var25:AExpr>*/
 }
 {
-{ /* Inline typing#AExpr#mtype= (var_arg,var24) on <var_arg:AExpr(AVarargExpr)> */
-var_arg->attrs[COLOR_nitc__typing__AExpr___mtype].val = var24; /* _mtype on <var_arg:AExpr(AVarargExpr)> */
-RET_LABEL25:(void)0;
+{ /* Inline typing$AExpr$mtype= (var_arg,var28) on <var_arg:AExpr(AVarargExpr)> */
+var_arg->attrs[COLOR_nitc__typing__AExpr___mtype].val = var28; /* _mtype on <var_arg:AExpr(AVarargExpr)> */
+RET_LABEL29:(void)0;
 }
 }
 } else {
 {
-var26 = nitc__typing___nitc__typing__TypeVisitor___visit_expr(self, var_arg);
+var30 = nitc__typing___nitc__typing__TypeVisitor___visit_expr(self, var_arg);
 }
-var_t = var26;
+var_t = var30;
 if (var_t == NULL) {
-var27 = 1; /* is null */
+var31 = 1; /* is null */
 } else {
-var27 = 0; /* arg is null but recv is not */
+var31 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_t,((val*)NULL)) on <var_t:nullable MType> */
+{ /* Inline kernel$Object$== (var_t,((val*)NULL)) on <var_t:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_t,var_other) on <var_t:nullable MType(MType)> */
-var32 = var_t == var_other;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_t,var_other) on <var_t:nullable MType(MType)> */
+var36 = var_t == var_other;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
 }
 }
-var28 = var30;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
-var27 = var28;
+var31 = var32;
 }
-if (var27){
+if (var31){
 var = 0;
 goto RET_LABEL;
 } else {
 }
 {
-var34 = nitc__typing___nitc__typing__TypeVisitor___is_subtype(self, var_t, var_paramtype);
+var38 = nitc__typing___nitc__typing__TypeVisitor___is_subtype(self, var_t, var_paramtype);
 }
-var35 = !var34;
-var_36 = var35;
-if (var35){
+var39 = !var38;
+var_40 = var39;
+if (var39){
 {
-var37 = nitc__typing___nitc__typing__TypeVisitor___is_subtype(self, var_t, var_array_mtype);
-}
-var33 = var37;
-} else {
-var33 = var_36;
+var41 = nitc__typing___nitc__typing__TypeVisitor___is_subtype(self, var_t, var_array_mtype);
 }
-if (var33){
-if (unlikely(varonce38==NULL)) {
-var39 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce40!=NULL)) {
-var41 = varonce40;
+var37 = var41;
 } else {
-var42 = "Type Error: expected `";
-var43 = core__flat___NativeString___to_s_full(var42, 22l, 22l);
-var41 = var43;
-varonce40 = var41;
+var37 = var_40;
 }
-((struct instance_core__NativeArray*)var39)->values[0]=var41;
+if (var37){
+if (unlikely(varonce42==NULL)) {
+var43 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
 if (likely(varonce44!=NULL)) {
 var45 = varonce44;
 } else {
-var46 = "`, got `";
-var47 = core__flat___NativeString___to_s_full(var46, 8l, 8l);
+var46 = "Type Error: expected `";
+var48 = (val*)(22l<<2|1);
+var49 = (val*)(22l<<2|1);
+var50 = (val*)((long)(0)<<2|3);
+var51 = (val*)((long)(0)<<2|3);
+var47 = core__flat___CString___to_s_unsafe(var46, var48, var49, var50, var51);
 var45 = var47;
 varonce44 = var45;
 }
-((struct instance_core__NativeArray*)var39)->values[2]=var45;
-if (likely(varonce48!=NULL)) {
-var49 = varonce48;
+((struct instance_core__NativeArray*)var43)->values[0]=var45;
+if (likely(varonce52!=NULL)) {
+var53 = varonce52;
 } else {
-var50 = "`. Is an ellipsis `...` missing on the argument?";
-var51 = core__flat___NativeString___to_s_full(var50, 48l, 48l);
-var49 = var51;
-varonce48 = var49;
+var54 = "`, got `";
+var56 = (val*)(8l<<2|1);
+var57 = (val*)(8l<<2|1);
+var58 = (val*)((long)(0)<<2|3);
+var59 = (val*)((long)(0)<<2|3);
+var55 = core__flat___CString___to_s_unsafe(var54, var56, var57, var58, var59);
+var53 = var55;
+varonce52 = var53;
+}
+((struct instance_core__NativeArray*)var43)->values[2]=var53;
+if (likely(varonce60!=NULL)) {
+var61 = varonce60;
+} else {
+var62 = "`. Is an ellipsis `...` missing on the argument?";
+var64 = (val*)(48l<<2|1);
+var65 = (val*)(48l<<2|1);
+var66 = (val*)((long)(0)<<2|3);
+var67 = (val*)((long)(0)<<2|3);
+var63 = core__flat___CString___to_s_unsafe(var62, var64, var65, var66, var67);
+var61 = var63;
+varonce60 = var61;
 }
-((struct instance_core__NativeArray*)var39)->values[4]=var49;
+((struct instance_core__NativeArray*)var43)->values[4]=var61;
 } else {
-var39 = varonce38;
-varonce38 = NULL;
+var43 = varonce42;
+varonce42 = NULL;
 }
 {
-var52 = ((val*(*)(val* self))(var_paramtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_paramtype); /* to_s on <var_paramtype:MType>*/
+var68 = ((val*(*)(val* self))(var_paramtype->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_paramtype); /* to_s on <var_paramtype:MType>*/
 }
-((struct instance_core__NativeArray*)var39)->values[1]=var52;
+((struct instance_core__NativeArray*)var43)->values[1]=var68;
 {
-var53 = ((val*(*)(val* self))(var_t->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_t); /* to_s on <var_t:nullable MType(MType)>*/
+var69 = ((val*(*)(val* self))(var_t->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_t); /* to_s on <var_t:nullable MType(MType)>*/
 }
-((struct instance_core__NativeArray*)var39)->values[3]=var53;
+((struct instance_core__NativeArray*)var43)->values[3]=var69;
 {
-var54 = ((val*(*)(val* self))(var39->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var39); /* native_to_s on <var39:NativeArray[String]>*/
+var70 = ((val*(*)(val* self))(var43->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var43); /* native_to_s on <var43:NativeArray[String]>*/
 }
-varonce38 = var39;
+varonce42 = var43;
 {
-nitc__typing___nitc__typing__TypeVisitor___error(self, var_arg, var54); /* Direct call typing#TypeVisitor#error on <self:TypeVisitor>*/
+nitc__typing___nitc__typing__TypeVisitor___error(self, var_arg, var70); /* Direct call typing$TypeVisitor$error on <self:TypeVisitor>*/
 }
 var = 0;
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#AExpr#vararg_decl= (var_arg,1l) on <var_arg:AExpr> */
+{ /* Inline typing$AExpr$vararg_decl= (var_arg,1l) on <var_arg:AExpr> */
 var_arg->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l = 1l; /* _vararg_decl on <var_arg:AExpr> */
-RET_LABEL55:(void)0;
+RET_LABEL71:(void)0;
 }
 }
 {
-var56 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var_arg, var_paramtype);
+var72 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(self, var_arg, var_paramtype);
 }
 }
 var = 1;
@@ -6761,7 +7989,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#error for (self: TypeVisitor, ANode, String) */
+/* method typing$TypeVisitor$error for (self: TypeVisitor, ANode, String) */
 void nitc__typing___nitc__typing__TypeVisitor___error(val* self, val* p0, val* p1) {
 val* var_node /* var node: ANode */;
 val* var_message /* var message: String */;
@@ -6770,9 +7998,12 @@ val* var2 /* : ModelBuilder */;
 var_node = p0;
 var_message = p1;
 {
-{ /* Inline typing#TypeVisitor#modelbuilder (self) on <self:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$modelbuilder (self) on <self:TypeVisitor> */
 var2 = self->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <self:TypeVisitor> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
 fatal_exit(1);
@@ -6782,11 +8013,11 @@ RET_LABEL1:(void)0;
 }
 }
 {
-nitc___nitc__ModelBuilder___error(var, var_node, var_message); /* Direct call modelbuilder_base#ModelBuilder#error on <var:ModelBuilder>*/
+nitc___nitc__ModelBuilder___error(var, var_node, var_message); /* Direct call modelbuilder_base$ModelBuilder$error on <var:ModelBuilder>*/
 }
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#get_variable for (self: TypeVisitor, AExpr, Variable): nullable MType */
+/* method typing$TypeVisitor$get_variable for (self: TypeVisitor, AExpr, Variable): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___get_variable(val* self, val* p0, val* p1) {
 val* var /* : nullable MType */;
 val* var_node /* var node: AExpr */;
@@ -6834,7 +8065,7 @@ val* var51 /* : nullable MType */;
 var_node = p0;
 var_variable = p1;
 {
-{ /* Inline typing#Variable#is_adapted (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$is_adapted (var_variable) on <var_variable:Variable> */
 var3 = var_variable->attrs[COLOR_nitc__typing__Variable___is_adapted].s; /* _is_adapted on <var_variable:Variable> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -6843,7 +8074,7 @@ RET_LABEL2:(void)0;
 var4 = !var1;
 if (var4){
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var7 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var5 = var7;
 RET_LABEL6:(void)0;
@@ -6854,7 +8085,7 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline flow#AExpr#after_flow_context (var_node) on <var_node:AExpr> */
+{ /* Inline flow$AExpr$after_flow_context (var_node) on <var_node:AExpr> */
 var10 = var_node->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_node:AExpr> */
 var8 = var10;
 RET_LABEL9:(void)0;
@@ -6867,10 +8098,10 @@ var11 = 1; /* is null */
 var11 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_flow,((val*)NULL)) on <var_flow:nullable FlowContext> */
+{ /* Inline kernel$Object$== (var_flow,((val*)NULL)) on <var_flow:nullable FlowContext> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_flow,var_other) on <var_flow:nullable FlowContext(FlowContext)> */
+{ /* Inline kernel$Object$is_same_instance (var_flow,var_other) on <var_flow:nullable FlowContext(FlowContext)> */
 var16 = var_flow == var_other;
 var14 = var16;
 goto RET_LABEL15;
@@ -6889,11 +8120,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#FlowContext#vars (var_flow) on <var_flow:nullable FlowContext(FlowContext)> */
+{ /* Inline typing$FlowContext$vars (var_flow) on <var_flow:nullable FlowContext(FlowContext)> */
 var19 = var_flow->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <var_flow:nullable FlowContext(FlowContext)> */
 if (unlikely(var19 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var17 = var19;
@@ -6905,11 +8139,14 @@ var20 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var17
 }
 if (var20){
 {
-{ /* Inline typing#FlowContext#vars (var_flow) on <var_flow:nullable FlowContext(FlowContext)> */
+{ /* Inline typing$FlowContext$vars (var_flow) on <var_flow:nullable FlowContext(FlowContext)> */
 var23 = var_flow->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <var_flow:nullable FlowContext(FlowContext)> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var21 = var23;
@@ -6927,14 +8164,14 @@ var25 = nitc__typing___FlowContext___collect_types(var_flow, var_variable);
 }
 var_mtypes = var25;
 {
-{ /* Inline array#AbstractArrayRead#length (var_mtypes) on <var_mtypes:Array[nullable MType]> */
+{ /* Inline array$AbstractArrayRead$length (var_mtypes) on <var_mtypes:Array[nullable MType]> */
 var28 = var_mtypes->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_mtypes:Array[nullable MType]> */
 var26 = var28;
 RET_LABEL27:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var26,0l) on <var26:Int> */
+{ /* Inline kernel$Int$== (var26,0l) on <var26:Int> */
 var31 = var26 == 0l;
 var29 = var31;
 goto RET_LABEL30;
@@ -6943,7 +8180,7 @@ RET_LABEL30:(void)0;
 }
 if (var29){
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var34 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var32 = var34;
 RET_LABEL33:(void)0;
@@ -6953,14 +8190,14 @@ var = var32;
 goto RET_LABEL;
 } else {
 {
-{ /* Inline array#AbstractArrayRead#length (var_mtypes) on <var_mtypes:Array[nullable MType]> */
+{ /* Inline array$AbstractArrayRead$length (var_mtypes) on <var_mtypes:Array[nullable MType]> */
 var37 = var_mtypes->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_mtypes:Array[nullable MType]> */
 var35 = var37;
 RET_LABEL36:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var35,1l) on <var35:Int> */
+{ /* Inline kernel$Int$== (var35,1l) on <var35:Int> */
 var40 = var35 == 1l;
 var38 = var40;
 goto RET_LABEL39;
@@ -6984,10 +8221,10 @@ var43 = 1; /* is null */
 var43 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_res,((val*)NULL)) on <var_res:nullable MType> */
+{ /* Inline kernel$Object$== (var_res,((val*)NULL)) on <var_res:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_res,var_other) on <var_res:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_res,var_other) on <var_res:nullable MType(MType)> */
 var48 = var_res == var_other;
 var46 = var48;
 goto RET_LABEL47;
@@ -7002,7 +8239,7 @@ var43 = var44;
 }
 if (var43){
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var51 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var49 = var51;
 RET_LABEL50:(void)0;
@@ -7019,7 +8256,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#dirty for (self: TypeVisitor): Bool */
+/* method typing$TypeVisitor$dirty for (self: TypeVisitor): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___dirty(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -7028,12 +8265,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#dirty= for (self: TypeVisitor, Bool) */
+/* method typing$TypeVisitor$dirty= for (self: TypeVisitor, Bool) */
 void nitc__typing___nitc__typing__TypeVisitor___dirty_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___dirty].s = p0; /* _dirty on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#has_loop for (self: TypeVisitor): Bool */
+/* method typing$TypeVisitor$has_loop for (self: TypeVisitor): Bool */
 short int nitc__typing___nitc__typing__TypeVisitor___has_loop(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -7042,12 +8279,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#TypeVisitor#has_loop= for (self: TypeVisitor, Bool) */
+/* method typing$TypeVisitor$has_loop= for (self: TypeVisitor, Bool) */
 void nitc__typing___nitc__typing__TypeVisitor___has_loop_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__typing__TypeVisitor___has_loop].s = p0; /* _has_loop on <self:TypeVisitor> */
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#set_variable for (self: TypeVisitor, AExpr, Variable, nullable MType) */
+/* method typing$TypeVisitor$set_variable for (self: TypeVisitor, AExpr, Variable, nullable MType) */
 void nitc__typing___nitc__typing__TypeVisitor___set_variable(val* self, val* p0, val* p1, val* p2) {
 val* var_node /* var node: AExpr */;
 val* var_variable /* var variable: Variable */;
@@ -7064,7 +8301,7 @@ var_node = p0;
 var_variable = p1;
 var_mtype = p2;
 {
-{ /* Inline flow#AExpr#after_flow_context (var_node) on <var_node:AExpr> */
+{ /* Inline flow$AExpr$after_flow_context (var_node) on <var_node:AExpr> */
 var2 = var_node->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_node:AExpr> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -7077,7 +8314,7 @@ var3 = 0; /* is null */
 var3 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_flow,((val*)NULL)) on <var_flow:nullable FlowContext> */
+{ /* Inline kernel$Object$!= (var_flow,((val*)NULL)) on <var_flow:nullable FlowContext> */
 var_other = ((val*)NULL);
 {
 var6 = ((short int(*)(val* self, val* p0))(var_flow->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_flow, var_other); /* == on <var_flow:nullable FlowContext(FlowContext)>*/
@@ -7090,16 +8327,19 @@ 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__typing, 594);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 598);
 fatal_exit(1);
 }
 {
-nitc__typing___FlowContext___set_var(var_flow, self, var_variable, var_mtype); /* Direct call typing#FlowContext#set_var on <var_flow:nullable FlowContext(FlowContext)>*/
+nitc__typing___FlowContext___set_var(var_flow, self, var_variable, var_mtype); /* Direct call typing$FlowContext$set_var on <var_flow:nullable FlowContext(FlowContext)>*/
 }
 RET_LABEL:;
 }
-/* method typing#TypeVisitor#merge_types for (self: TypeVisitor, ANode, Array[nullable MType]): nullable MType */
+/* method typing$TypeVisitor$merge_types for (self: TypeVisitor, ANode, Array[nullable MType]): nullable MType */
 val* nitc__typing___nitc__typing__TypeVisitor___merge_types(val* self, val* p0, val* p1) {
 val* var /* : nullable MType */;
 val* var_node /* var node: ANode */;
@@ -7142,14 +8382,14 @@ short int var39 /* : Bool */;
 var_node = p0;
 var_col = p1;
 {
-{ /* Inline array#AbstractArrayRead#length (var_col) on <var_col:Array[nullable MType]> */
+{ /* Inline array$AbstractArrayRead$length (var_col) on <var_col:Array[nullable MType]> */
 var3 = var_col->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_col:Array[nullable MType]> */
 var1 = var3;
 RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var1,1l) on <var1:Int> */
+{ /* Inline kernel$Int$== (var1,1l) on <var1:Int> */
 var6 = var1 == 1l;
 var4 = var6;
 goto RET_LABEL5;
@@ -7187,10 +8427,10 @@ var12 = 1; /* is null */
 var12 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_t1,((val*)NULL)) on <var_t1:nullable MType> */
+{ /* Inline kernel$Object$== (var_t1,((val*)NULL)) on <var_t1:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_t1,var_other) on <var_t1:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_t1,var_other) on <var_t1:nullable MType(MType)> */
 var17 = var_t1 == var_other;
 var15 = var17;
 goto RET_LABEL16;
@@ -7231,10 +8471,10 @@ var25 = 1; /* is null */
 var25 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_t2,((val*)NULL)) on <var_t2:nullable MType> */
+{ /* Inline kernel$Object$== (var_t2,((val*)NULL)) on <var_t2:nullable MType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_t2,var_other) on <var_t2:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var_t2,var_other) on <var_t2:nullable MType(MType)> */
 var30 = var_t2 == var_other;
 var28 = var30;
 goto RET_LABEL29;
@@ -7307,64 +8547,90 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#SignatureMap#map for (self: SignatureMap): ArrayMap[Int, Int] */
+/* method typing$SignatureMap$map for (self: SignatureMap): ArrayMap[Int, Int] */
 val* nitc___nitc__SignatureMap___map(val* self) {
 val* var /* : ArrayMap[Int, Int] */;
 val* var1 /* : ArrayMap[Int, Int] */;
 var1 = self->attrs[COLOR_nitc__typing__SignatureMap___map].val; /* _map on <self:SignatureMap> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _map");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 628);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 632);
+fatal_exit(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method typing$CallSite$location for (self: CallSite): Location */
+val* nitc___nitc__CallSite___nitc__model_base__MEntity__location(val* self) {
+val* var /* : Location */;
+val* var1 /* : Location */;
+var1 = self->attrs[COLOR_nitc__typing__CallSite___location].val; /* _location on <self:CallSite> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _location");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 640);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#location= for (self: CallSite, Location) */
+/* method typing$CallSite$location= for (self: CallSite, Location) */
 void nitc___nitc__CallSite___location_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___location].val = p0; /* _location on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#recv for (self: CallSite): MType */
+/* method typing$CallSite$recv for (self: CallSite): MType */
 val* nitc___nitc__CallSite___recv(val* self) {
 val* var /* : MType */;
 val* var1 /* : MType */;
 var1 = self->attrs[COLOR_nitc__typing__CallSite___recv].val; /* _recv on <self:CallSite> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _recv");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 639);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 642);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#recv= for (self: CallSite, MType) */
+/* method typing$CallSite$recv= for (self: CallSite, MType) */
 void nitc___nitc__CallSite___recv_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___recv].val = p0; /* _recv on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#mmodule for (self: CallSite): MModule */
+/* method typing$CallSite$mmodule for (self: CallSite): MModule */
 val* nitc___nitc__CallSite___mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__typing__CallSite___mmodule].val; /* _mmodule on <self:CallSite> */
 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__typing, 642);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 645);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#mmodule= for (self: CallSite, MModule) */
+/* method typing$CallSite$mmodule= for (self: CallSite, MModule) */
 void nitc___nitc__CallSite___mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___mmodule].val = p0; /* _mmodule on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#anchor for (self: CallSite): nullable MClassType */
+/* method typing$CallSite$anchor for (self: CallSite): nullable MClassType */
 val* nitc___nitc__CallSite___anchor(val* self) {
 val* var /* : nullable MClassType */;
 val* var1 /* : nullable MClassType */;
@@ -7373,74 +8639,83 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#anchor= for (self: CallSite, nullable MClassType) */
+/* method typing$CallSite$anchor= for (self: CallSite, nullable MClassType) */
 void nitc___nitc__CallSite___anchor_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___anchor].val = p0; /* _anchor on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#recv_is_self= for (self: CallSite, Bool) */
+/* method typing$CallSite$recv_is_self= for (self: CallSite, Bool) */
 void nitc___nitc__CallSite___recv_is_self_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__typing__CallSite___recv_is_self].s = p0; /* _recv_is_self on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#mproperty for (self: CallSite): MMethod */
+/* method typing$CallSite$mproperty for (self: CallSite): MMethod */
 val* nitc___nitc__CallSite___mproperty(val* self) {
 val* var /* : MMethod */;
 val* var1 /* : MMethod */;
 var1 = self->attrs[COLOR_nitc__typing__CallSite___mproperty].val; /* _mproperty on <self:CallSite> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 653);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 656);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#mproperty= for (self: CallSite, MMethod) */
+/* method typing$CallSite$mproperty= for (self: CallSite, MMethod) */
 void nitc___nitc__CallSite___mproperty_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___mproperty].val = p0; /* _mproperty on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#mpropdef for (self: CallSite): MMethodDef */
+/* method typing$CallSite$mpropdef for (self: CallSite): MMethodDef */
 val* nitc___nitc__CallSite___mpropdef(val* self) {
 val* var /* : MMethodDef */;
 val* var1 /* : MMethodDef */;
 var1 = self->attrs[COLOR_nitc__typing__CallSite___mpropdef].val; /* _mpropdef on <self:CallSite> */
 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__typing, 656);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 659);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#mpropdef= for (self: CallSite, MMethodDef) */
+/* method typing$CallSite$mpropdef= for (self: CallSite, MMethodDef) */
 void nitc___nitc__CallSite___mpropdef_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___mpropdef].val = p0; /* _mpropdef on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#msignature for (self: CallSite): MSignature */
+/* method typing$CallSite$msignature for (self: CallSite): MSignature */
 val* nitc___nitc__CallSite___msignature(val* self) {
 val* var /* : MSignature */;
 val* var1 /* : MSignature */;
 var1 = self->attrs[COLOR_nitc__typing__CallSite___msignature].val; /* _msignature on <self:CallSite> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _msignature");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 660);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 663);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#msignature= for (self: CallSite, MSignature) */
+/* method typing$CallSite$msignature= for (self: CallSite, MSignature) */
 void nitc___nitc__CallSite___msignature_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___msignature].val = p0; /* _msignature on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#erasure_cast for (self: CallSite): Bool */
+/* method typing$CallSite$erasure_cast for (self: CallSite): Bool */
 short int nitc___nitc__CallSite___erasure_cast(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -7449,12 +8724,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#erasure_cast= for (self: CallSite, Bool) */
+/* method typing$CallSite$erasure_cast= for (self: CallSite, Bool) */
 void nitc___nitc__CallSite___erasure_cast_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__typing__CallSite___erasure_cast].s = p0; /* _erasure_cast on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#signaturemap for (self: CallSite): nullable SignatureMap */
+/* method typing$CallSite$signaturemap for (self: CallSite): nullable SignatureMap */
 val* nitc___nitc__CallSite___signaturemap(val* self) {
 val* var /* : nullable SignatureMap */;
 val* var1 /* : nullable SignatureMap */;
@@ -7463,12 +8738,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#signaturemap= for (self: CallSite, nullable SignatureMap) */
+/* method typing$CallSite$signaturemap= for (self: CallSite, nullable SignatureMap) */
 void nitc___nitc__CallSite___signaturemap_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__CallSite___signaturemap].val = p0; /* _signaturemap on <self:CallSite> */
 RET_LABEL:;
 }
-/* method typing#CallSite#check_signature for (self: CallSite, TypeVisitor, ANode, Array[AExpr]): Bool */
+/* method typing$CallSite$check_signature for (self: CallSite, TypeVisitor, ANode, Array[AExpr]): Bool */
 short int nitc___nitc__CallSite___check_signature(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 val* var_v /* var v: TypeVisitor */;
@@ -7493,11 +8768,14 @@ var_v = p0;
 var_node = p1;
 var_args = p2;
 {
-{ /* Inline typing#CallSite#mproperty (self) on <self:CallSite> */
+{ /* Inline typing$CallSite$mproperty (self) on <self:CallSite> */
 var3 = self->attrs[COLOR_nitc__typing__CallSite___mproperty].val; /* _mproperty on <self:CallSite> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 653);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 656);
 fatal_exit(1);
 }
 var1 = var3;
@@ -7505,11 +8783,14 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline typing#CallSite#msignature (self) on <self:CallSite> */
+{ /* Inline typing$CallSite$msignature (self) on <self:CallSite> */
 var6 = self->attrs[COLOR_nitc__typing__CallSite___msignature].val; /* _msignature on <self:CallSite> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _msignature");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 660);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 663);
 fatal_exit(1);
 }
 var4 = var6;
@@ -7521,7 +8802,7 @@ var7 = nitc__typing___nitc__typing__TypeVisitor___check_signature(var_v, var_nod
 }
 var_map = var7;
 {
-{ /* Inline typing#CallSite#signaturemap= (self,var_map) on <self:CallSite> */
+{ /* Inline typing$CallSite$signaturemap= (self,var_map) on <self:CallSite> */
 self->attrs[COLOR_nitc__typing__CallSite___signaturemap].val = var_map; /* _signaturemap on <self:CallSite> */
 RET_LABEL8:(void)0;
 }
@@ -7532,10 +8813,10 @@ var9 = 1; /* is null */
 var9 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_map,((val*)NULL)) on <var_map:nullable SignatureMap> */
+{ /* Inline kernel$Object$== (var_map,((val*)NULL)) on <var_map:nullable SignatureMap> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_map,var_other) on <var_map:nullable SignatureMap(SignatureMap)> */
+{ /* Inline kernel$Object$is_same_instance (var_map,var_other) on <var_map:nullable SignatureMap(SignatureMap)> */
 var14 = var_map == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -7550,7 +8831,7 @@ var9 = var10;
 }
 if (var9){
 {
-{ /* Inline model_base#MEntity#is_broken= (self,1) on <self:CallSite> */
+{ /* Inline model_base$MEntity$is_broken= (self,1) on <self:CallSite> */
 self->attrs[COLOR_nitc__model_base__MEntity___is_broken].s = 1; /* _is_broken on <self:CallSite> */
 RET_LABEL15:(void)0;
 }
@@ -7563,10 +8844,10 @@ var16 = 1; /* is null */
 var16 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_map,((val*)NULL)) on <var_map:nullable SignatureMap> */
+{ /* Inline kernel$Object$== (var_map,((val*)NULL)) on <var_map:nullable SignatureMap> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_map,var_other) on <var_map:nullable SignatureMap(SignatureMap)> */
+{ /* Inline kernel$Object$is_same_instance (var_map,var_other) on <var_map:nullable SignatureMap(SignatureMap)> */
 var21 = var_map == var_other;
 var19 = var21;
 goto RET_LABEL20;
@@ -7584,14 +8865,14 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#CallSite#init for (self: CallSite) */
+/* method typing$CallSite$init for (self: CallSite) */
 void nitc___nitc__CallSite___core__kernel__Object__init(val* self) {
 {
 ((void(*)(val* self))(self->class->vft[COLOR_nitc___nitc__CallSite___core__kernel__Object__init]))(self); /* init on <self:CallSite>*/
 }
 RET_LABEL:;
 }
-/* method typing#Variable#declared_type for (self: Variable): nullable MType */
+/* method typing$Variable$declared_type for (self: Variable): nullable MType */
 val* nitc__typing___Variable___declared_type(val* self) {
 val* var /* : nullable MType */;
 val* var1 /* : nullable MType */;
@@ -7600,12 +8881,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#Variable#declared_type= for (self: Variable, nullable MType) */
+/* method typing$Variable$declared_type= for (self: Variable, nullable MType) */
 void nitc__typing___Variable___declared_type_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__Variable___declared_type].val = p0; /* _declared_type on <self:Variable> */
 RET_LABEL:;
 }
-/* method typing#Variable#is_adapted for (self: Variable): Bool */
+/* method typing$Variable$is_adapted for (self: Variable): Bool */
 short int nitc__typing___Variable___is_adapted(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -7614,26 +8895,29 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#Variable#is_adapted= for (self: Variable, Bool) */
+/* method typing$Variable$is_adapted= for (self: Variable, Bool) */
 void nitc__typing___Variable___is_adapted_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__typing__Variable___is_adapted].s = p0; /* _is_adapted on <self:Variable> */
 RET_LABEL:;
 }
-/* method typing#FlowContext#vars for (self: FlowContext): HashMap[Variable, nullable MType] */
+/* method typing$FlowContext$vars for (self: FlowContext): HashMap[Variable, nullable MType] */
 val* nitc__typing___FlowContext___vars(val* self) {
 val* var /* : HashMap[Variable, nullable MType] */;
 val* var1 /* : HashMap[Variable, nullable MType] */;
 var1 = self->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <self:FlowContext> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method typing#FlowContext#set_var for (self: FlowContext, TypeVisitor, Variable, nullable MType) */
+/* method typing$FlowContext$set_var for (self: FlowContext, TypeVisitor, Variable, nullable MType) */
 void nitc__typing___FlowContext___set_var(val* self, val* p0, val* p1, val* p2) {
 val* var_v /* var v: TypeVisitor */;
 val* var_variable /* var variable: Variable */;
@@ -7668,7 +8952,7 @@ var_v = p0;
 var_variable = p1;
 var_mtype = p2;
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var3 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -7677,10 +8961,10 @@ RET_LABEL2:(void)0;
 if (var1 == NULL) {
 var4 = (var_mtype == NULL);
 } else {
-{ /* Inline kernel#Object#== (var1,var_mtype) on <var1:nullable MType> */
+{ /* Inline kernel$Object$== (var1,var_mtype) on <var1:nullable MType> */
 var_other = var_mtype;
 {
-{ /* Inline kernel#Object#is_same_instance (var1,var_other) on <var1:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var1,var_other) on <var1:nullable MType(MType)> */
 var9 = var1 == var_other;
 var7 = var9;
 goto RET_LABEL8;
@@ -7696,7 +8980,7 @@ var4 = var5;
 var_ = var4;
 if (var4){
 {
-{ /* Inline typing#Variable#is_adapted (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$is_adapted (var_variable) on <var_variable:Variable> */
 var12 = var_variable->attrs[COLOR_nitc__typing__Variable___is_adapted].s; /* _is_adapted on <var_variable:Variable> */
 var10 = var12;
 RET_LABEL11:(void)0;
@@ -7712,11 +8996,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#FlowContext#vars (self) on <self:FlowContext> */
+{ /* Inline typing$FlowContext$vars (self) on <self:FlowContext> */
 var17 = self->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <self:FlowContext> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var15 = var17;
@@ -7729,11 +9016,14 @@ var18 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var15
 var_19 = var18;
 if (var18){
 {
-{ /* Inline typing#FlowContext#vars (self) on <self:FlowContext> */
+{ /* Inline typing$FlowContext$vars (self) on <self:FlowContext> */
 var22 = self->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <self:FlowContext> */
 if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var20 = var22;
@@ -7746,10 +9036,10 @@ var23 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var2
 if (var23 == NULL) {
 var24 = (var_mtype == NULL);
 } else {
-{ /* Inline kernel#Object#== (var23,var_mtype) on <var23:nullable Object(nullable MType)> */
+{ /* Inline kernel$Object$== (var23,var_mtype) on <var23:nullable Object(nullable MType)> */
 var_other = var_mtype;
 {
-{ /* Inline kernel#Object#is_same_instance (var23,var_other) on <var23:nullable MType(MType)> */
+{ /* Inline kernel$Object$is_same_instance (var23,var_other) on <var23:nullable Object(MType)> */
 var29 = var23 == var_other;
 var27 = var29;
 goto RET_LABEL28;
@@ -7771,11 +9061,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline typing#FlowContext#vars (self) on <self:FlowContext> */
+{ /* Inline typing$FlowContext$vars (self) on <self:FlowContext> */
 var32 = self->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <self:FlowContext> */
 if (unlikely(var32 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var30 = var32;
@@ -7783,23 +9076,23 @@ RET_LABEL31:(void)0;
 }
 }
 {
-core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var30, var_variable, var_mtype); /* Direct call hash_collection#HashMap#[]= on <var30:HashMap[Variable, nullable MType]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var30, var_variable, var_mtype); /* Direct call hash_collection$HashMap$[]= on <var30:HashMap[Variable, nullable MType]>*/
 }
 {
-{ /* Inline typing#TypeVisitor#dirty= (var_v,1) on <var_v:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$dirty= (var_v,1) on <var_v:TypeVisitor> */
 var_v->attrs[COLOR_nitc__typing__TypeVisitor___dirty].s = 1; /* _dirty on <var_v:TypeVisitor> */
 RET_LABEL33:(void)0;
 }
 }
 {
-{ /* Inline typing#Variable#is_adapted= (var_variable,1) on <var_variable:Variable> */
+{ /* Inline typing$Variable$is_adapted= (var_variable,1) on <var_variable:Variable> */
 var_variable->attrs[COLOR_nitc__typing__Variable___is_adapted].s = 1; /* _is_adapted on <var_variable:Variable> */
 RET_LABEL34:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method typing#FlowContext#collect_types for (self: FlowContext, Variable): Array[nullable MType] */
+/* method typing$FlowContext$collect_types for (self: FlowContext, Variable): Array[nullable MType] */
 val* nitc__typing___FlowContext___collect_types(val* self, val* p0) {
 val* var /* : Array[nullable MType] */;
 val* var_variable /* var variable: Variable */;
@@ -7834,21 +9127,21 @@ val* var29 /* : nullable MType */;
 var_variable = p0;
 var1 = NEW_core__Array(&type_core__Array__nullable__nitc__MType);
 {
-core___core__Array___core__kernel__Object__init(var1); /* Direct call array#Array#init on <var1:Array[nullable MType]>*/
+core___core__Array___core__kernel__Object__init(var1); /* Direct call array$Array$init on <var1:Array[nullable MType]>*/
 }
 var_res = var1;
 var2 = NEW_core__Array(&type_core__Array__nitc__FlowContext);
 {
-core___core__Array___with_capacity(var2, 1l); /* Direct call array#Array#with_capacity on <var2:Array[FlowContext]>*/
+core___core__Array___with_capacity(var2, 1l); /* Direct call array$Array$with_capacity on <var2:Array[FlowContext]>*/
 }
 var_ = var2;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, self); /* Direct call array#AbstractArray#push on <var_:Array[FlowContext]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, self); /* Direct call array$AbstractArray$push on <var_:Array[FlowContext]>*/
 }
 var_todo = var_;
 var3 = NEW_core__HashSet(&type_core__HashSet__nitc__FlowContext);
 {
-core___core__HashSet___core__kernel__Object__init(var3); /* Direct call hash_collection#HashSet#init on <var3:HashSet[FlowContext]>*/
+core___core__HashSet___core__kernel__Object__init(var3); /* Direct call hash_collection$HashSet$init on <var3:HashSet[FlowContext]>*/
 }
 var_seen = var3;
 for(;;) {
@@ -7876,14 +9169,17 @@ goto BREAK_label;
 } else {
 }
 {
-core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_seen, var_f); /* Direct call hash_collection#HashSet#add on <var_seen:HashSet[FlowContext]>*/
+core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_seen, var_f); /* Direct call hash_collection$HashSet$add on <var_seen:HashSet[FlowContext]>*/
 }
 {
-{ /* Inline typing#FlowContext#vars (var_f) on <var_f:FlowContext> */
+{ /* Inline typing$FlowContext$vars (var_f) on <var_f:FlowContext> */
 var11 = var_f->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <var_f:FlowContext> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var9 = var11;
@@ -7895,11 +9191,14 @@ var12 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var9,
 }
 if (var12){
 {
-{ /* Inline typing#FlowContext#vars (var_f) on <var_f:FlowContext> */
+{ /* Inline typing$FlowContext$vars (var_f) on <var_f:FlowContext> */
 var15 = var_f->attrs[COLOR_nitc__typing__FlowContext___vars].val; /* _vars on <var_f:FlowContext> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _vars");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 689);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 697);
 fatal_exit(1);
 }
 var13 = var15;
@@ -7910,13 +9209,16 @@ RET_LABEL14:(void)0;
 var16 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var13, var_variable);
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_res, var16); /* Direct call array#Array#add on <var_res:Array[nullable MType]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_res, var16); /* Direct call array$Array$add on <var_res:Array[nullable MType]>*/
 }
 } else {
 {
-{ /* Inline flow#FlowContext#previous (var_f) on <var_f:FlowContext> */
+{ /* Inline flow$FlowContext$previous (var_f) on <var_f:FlowContext> */
 var19 = var_f->attrs[COLOR_nitc__flow__FlowContext___previous].val; /* _previous on <var_f:FlowContext> */
 if (unlikely(var19 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _previous");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 189);
 fatal_exit(1);
@@ -7926,12 +9228,15 @@ RET_LABEL18:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_todo, var17); /* Direct call array#Array#add_all on <var_todo:Array[FlowContext]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_todo, var17); /* Direct call array$Array$add_all on <var_todo:Array[FlowContext]>*/
 }
 {
-{ /* Inline flow#FlowContext#loops (var_f) on <var_f:FlowContext> */
+{ /* Inline flow$FlowContext$loops (var_f) on <var_f:FlowContext> */
 var22 = var_f->attrs[COLOR_nitc__flow__FlowContext___loops].val; /* _loops on <var_f:FlowContext> */
 if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _loops");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 192);
 fatal_exit(1);
@@ -7941,12 +9246,15 @@ RET_LABEL21:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_todo, var20); /* Direct call array#Array#add_all on <var_todo:Array[FlowContext]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_todo, var20); /* Direct call array$Array$add_all on <var_todo:Array[FlowContext]>*/
 }
 {
-{ /* Inline flow#FlowContext#previous (var_f) on <var_f:FlowContext> */
+{ /* Inline flow$FlowContext$previous (var_f) on <var_f:FlowContext> */
 var25 = var_f->attrs[COLOR_nitc__flow__FlowContext___previous].val; /* _previous on <var_f:FlowContext> */
 if (unlikely(var25 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _previous");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__flow, 189);
 fatal_exit(1);
@@ -7960,14 +9268,14 @@ var26 = core___core__AbstractArrayRead___core__abstract_collection__Collection__
 }
 if (var26){
 {
-{ /* Inline typing#Variable#declared_type (var_variable) on <var_variable:Variable> */
+{ /* Inline typing$Variable$declared_type (var_variable) on <var_variable:Variable> */
 var29 = var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val; /* _declared_type on <var_variable:Variable> */
 var27 = var29;
 RET_LABEL28:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_res, var27); /* Direct call array#Array#add on <var_res:Array[nullable MType]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_res, var27); /* Direct call array$Array$add on <var_res:Array[nullable MType]>*/
 }
 } else {
 }
@@ -7983,18 +9291,18 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method typing#APropdef#do_typing for (self: APropdef, ModelBuilder) */
+/* method typing$APropdef$do_typing for (self: APropdef, ModelBuilder) */
 void nitc__typing___APropdef___do_typing(val* self, val* p0) {
 val* var_modelbuilder /* var modelbuilder: ModelBuilder */;
 var_modelbuilder = p0;
 RET_LABEL:;
 }
-/* method typing#APropdef#selfvariable= for (self: APropdef, nullable Variable) */
+/* method typing$APropdef$selfvariable= for (self: APropdef, nullable Variable) */
 void nitc__typing___APropdef___selfvariable_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__typing__APropdef___selfvariable].val = p0; /* _selfvariable on <self:APropdef> */
 RET_LABEL:;
 }
-/* method typing#AMethPropdef#do_typing for (self: AMethPropdef, ModelBuilder) */
+/* method typing$AMethPropdef$do_typing for (self: AMethPropdef, ModelBuilder) */
 void nitc__typing___AMethPropdef___APropdef__do_typing(val* self, val* p0) {
 val* var_modelbuilder /* var modelbuilder: ModelBuilder */;
 val* var /* : nullable MPropDef */;
@@ -8049,67 +9357,75 @@ val* var55 /* : ANodes[AParam] */;
 val* var56 /* : ANode */;
 static val* varonce;
 val* var57 /* : String */;
-char* var58 /* : NativeString */;
+char* var58 /* : CString */;
 val* var59 /* : String */;
-val* var60 /* : nullable MClass */;
+val* var60 /* : nullable Int */;
+val* var61 /* : nullable Int */;
+val* var62 /* : nullable Bool */;
+val* var63 /* : nullable Bool */;
+val* var64 /* : nullable MClass */;
 val* var_arrayclass /* var arrayclass: nullable MClass */;
-short int var61 /* : Bool */;
-short int var62 /* : Bool */;
-short int var64 /* : Bool */;
+short int var65 /* : Bool */;
 short int var66 /* : Bool */;
-val* var67 /* : Array[MType] */;
-val* var_68 /* var : Array[MType] */;
-val* var69 /* : MClassType */;
-val* var70 /* : nullable ASignature */;
-val* var72 /* : nullable ASignature */;
-val* var73 /* : ANodes[AParam] */;
-val* var75 /* : ANodes[AParam] */;
-val* var76 /* : ANode */;
-val* var77 /* : nullable Variable */;
-val* var79 /* : nullable Variable */;
+short int var68 /* : Bool */;
+short int var70 /* : Bool */;
+val* var71 /* : Array[MType] */;
+val* var_72 /* var : Array[MType] */;
+val* var73 /* : MClassType */;
+val* var74 /* : nullable ASignature */;
+val* var76 /* : nullable ASignature */;
+val* var77 /* : ANodes[AParam] */;
+val* var79 /* : ANodes[AParam] */;
+val* var80 /* : ANode */;
+val* var81 /* : nullable Variable */;
+val* var83 /* : nullable Variable */;
 val* var_variable /* var variable: nullable Variable */;
-short int var80 /* : Bool */;
-short int var81 /* : Bool */;
-val* var_other83 /* var other: nullable Object */;
 short int var84 /* : Bool */;
 short int var85 /* : Bool */;
-long var87 /* : Int */;
-val* var88 /* : nullable AExpr */;
-val* var90 /* : nullable AExpr */;
+val* var_other87 /* var other: nullable Object */;
+short int var88 /* : Bool */;
+short int var89 /* : Bool */;
+long var91 /* : Int */;
+val* var92 /* : nullable AExpr */;
+val* var94 /* : nullable AExpr */;
 val* var_nblock /* var nblock: nullable AExpr */;
-short int var91 /* : Bool */;
-short int var92 /* : Bool */;
-short int var94 /* : Bool */;
+short int var95 /* : Bool */;
 short int var96 /* : Bool */;
 short int var98 /* : Bool */;
-short int var99 /* : Bool */;
-short int var101 /* : Bool */;
+short int var100 /* : Bool */;
 short int var102 /* : Bool */;
-short int var_103 /* var : Bool */;
-short int var104 /* : Bool */;
+short int var103 /* : Bool */;
+short int var105 /* : Bool */;
 short int var106 /* : Bool */;
-short int var107 /* : Bool */;
-val* var109 /* : PostTypingVisitor */;
-val* var_post_visitor /* var post_visitor: PostTypingVisitor */;
+short int var_107 /* var : Bool */;
+short int var108 /* : Bool */;
 short int var110 /* : Bool */;
-val* var111 /* : nullable FlowContext */;
-val* var113 /* : nullable FlowContext */;
+short int var111 /* : Bool */;
+val* var113 /* : PostTypingVisitor */;
+val* var_post_visitor /* var post_visitor: PostTypingVisitor */;
 short int var114 /* : Bool */;
-short int var115 /* : Bool */;
-short int var_116 /* var : Bool */;
-val* var117 /* : nullable MType */;
-val* var119 /* : nullable MType */;
-short int var120 /* : Bool */;
-short int var121 /* : Bool */;
-short int var123 /* : Bool */;
+val* var115 /* : nullable FlowContext */;
+val* var117 /* : nullable FlowContext */;
+short int var118 /* : Bool */;
+short int var119 /* : Bool */;
+short int var_120 /* var : Bool */;
+val* var121 /* : nullable MType */;
+val* var123 /* : nullable MType */;
 short int var124 /* : Bool */;
-static val* varonce125;
-val* var126 /* : String */;
-char* var127 /* : NativeString */;
-val* var128 /* : String */;
+short int var125 /* : Bool */;
+short int var127 /* : Bool */;
+short int var128 /* : Bool */;
+static val* varonce129;
+val* var130 /* : String */;
+char* var131 /* : CString */;
+val* var132 /* : String */;
+val* var133 /* : nullable Int */;
+val* var134 /* : nullable Int */;
+val* var135 /* : nullable Bool */;
+val* var136 /* : nullable Bool */;
 var_modelbuilder = p0;
 {
-{ /* Inline modelize_property#APropdef#mpropdef (self) on <self:AMethPropdef> */
+{ /* Inline modelize_property$APropdef$mpropdef (self) on <self:AMethPropdef> */
 var2 = self->attrs[COLOR_nitc__modelize_property__APropdef___mpropdef].val; /* _mpropdef on <self:AMethPropdef> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -8122,10 +9438,10 @@ var3 = 1; /* is null */
 var3 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_mpropdef,((val*)NULL)) on <var_mpropdef:nullable MMethodDef> */
+{ /* Inline kernel$Object$== (var_mpropdef,((val*)NULL)) on <var_mpropdef:nullable MMethodDef> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_mpropdef,var_other) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
+{ /* Inline kernel$Object$is_same_instance (var_mpropdef,var_other) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
 var8 = var_mpropdef == var_other;
 var6 = var8;
 goto RET_LABEL7;
@@ -8144,11 +9460,14 @@ goto RET_LABEL;
 }
 var9 = NEW_nitc__typing__TypeVisitor(&type_nitc__typing__TypeVisitor);
 {
-{ /* Inline model#MPropDef#mclassdef (var_mpropdef) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
+{ /* Inline model$MPropDef$mclassdef (var_mpropdef) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
 var12 = var_mpropdef->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
 if (unlikely(var12 == 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);
 }
 var10 = var12;
@@ -8156,11 +9475,14 @@ RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mmodule (var10) on <var10:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (var10) on <var10:MClassDef> */
 var15 = var10->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var10:MClassDef> */
 if (unlikely(var15 == 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);
 }
 var13 = var15;
@@ -8181,9 +9503,12 @@ RET_LABEL14:(void)0;
 }
 var_v = var9;
 {
-{ /* Inline typing#TypeVisitor#selfvariable (var_v) on <var_v:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$selfvariable (var_v) on <var_v:TypeVisitor> */
 var18 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___selfvariable].val; /* _selfvariable on <var_v:TypeVisitor> */
 if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _selfvariable");
 PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 51);
 fatal_exit(1);
@@ -8193,26 +9518,29 @@ RET_LABEL17:(void)0;
 }
 }
 {
-{ /* Inline typing#APropdef#selfvariable= (self,var16) on <self:AMethPropdef> */
+{ /* Inline typing$APropdef$selfvariable= (self,var16) on <self:AMethPropdef> */
 self->attrs[COLOR_nitc__typing__APropdef___selfvariable].val = var16; /* _selfvariable on <self:AMethPropdef> */
 RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline modelize_property#APropdef#mpropdef (self) on <self:AMethPropdef> */
+{ /* Inline modelize_property$APropdef$mpropdef (self) on <self:AMethPropdef> */
 var22 = self->attrs[COLOR_nitc__modelize_property__APropdef___mpropdef].val; /* _mpropdef on <self:AMethPropdef> */
 var20 = var22;
 RET_LABEL21:(void)0;
 }
 }
 if (unlikely(var20 == 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__typing, 757);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 765);
 fatal_exit(1);
 }
 var_mmethoddef = var20;
 {
-{ /* Inline model#MMethodDef#msignature (var_mmethoddef) on <var_mmethoddef:MMethodDef> */
+{ /* Inline model$MMethodDef$msignature (var_mmethoddef) on <var_mmethoddef:MMethodDef> */
 var25 = var_mmethoddef->attrs[COLOR_nitc__model__MMethodDef___msignature].val; /* _msignature on <var_mmethoddef:MMethodDef> */
 var23 = var25;
 RET_LABEL24:(void)0;
@@ -8225,10 +9553,10 @@ var26 = 1; /* is null */
 var26 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_msignature,((val*)NULL)) on <var_msignature:nullable MSignature> */
+{ /* Inline kernel$Object$== (var_msignature,((val*)NULL)) on <var_msignature:nullable MSignature> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_msignature,var_other) on <var_msignature:nullable MSignature(MSignature)> */
+{ /* Inline kernel$Object$is_same_instance (var_msignature,var_other) on <var_msignature:nullable MSignature(MSignature)> */
 var31 = var_msignature == var_other;
 var29 = var31;
 goto RET_LABEL30;
@@ -8252,14 +9580,14 @@ var32 = nitc___nitc__MSignature___arity(var_msignature);
 var_ = var32;
 for(;;) {
 {
-{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+{ /* Inline kernel$Int$< (var_i,var_) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
 /* <var_:Int> isa OTHER */
 var35 = 1; /* easy <var_:Int> isa OTHER*/
 if (unlikely(!var35)) {
 var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
 var36 = var_i < var_;
@@ -8273,11 +9601,14 @@ if (var33){
 goto BREAK_label;
 }
 {
-{ /* Inline model#MSignature#mparameters (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
+{ /* Inline model$MSignature$mparameters (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
 var39 = var_msignature->attrs[COLOR_nitc__model__MSignature___mparameters].val; /* _mparameters on <var_msignature:nullable MSignature(MSignature)> */
 if (unlikely(var39 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mparameters");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1783);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1879);
 fatal_exit(1);
 }
 var37 = var39;
@@ -8288,11 +9619,14 @@ RET_LABEL38:(void)0;
 var40 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var37, var_i);
 }
 {
-{ /* Inline model#MParameter#mtype (var40) on <var40:nullable Object(MParameter)> */
+{ /* Inline model$MParameter$mtype (var40) on <var40:nullable Object(MParameter)> */
 var43 = var40->attrs[COLOR_nitc__model__MParameter___mtype].val; /* _mtype on <var40:nullable Object(MParameter)> */
 if (unlikely(var43 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1900);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1996);
 fatal_exit(1);
 }
 var41 = var43;
@@ -8301,14 +9635,14 @@ RET_LABEL42:(void)0;
 }
 var_mtype = var41;
 {
-{ /* Inline model#MSignature#vararg_rank (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
+{ /* Inline model$MSignature$vararg_rank (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
 var46 = var_msignature->attrs[COLOR_nitc__model__MSignature___vararg_rank].l; /* _vararg_rank on <var_msignature:nullable MSignature(MSignature)> */
 var44 = var46;
 RET_LABEL45:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var44,var_i) on <var44:Int> */
+{ /* Inline kernel$Int$== (var44,var_i) on <var44:Int> */
 var49 = var44 == var_i;
 var47 = var49;
 goto RET_LABEL48;
@@ -8317,27 +9651,36 @@ RET_LABEL48:(void)0;
 }
 if (var47){
 {
-{ /* Inline parser_nodes#AMethPropdef#n_signature (self) on <self:AMethPropdef> */
+{ /* Inline parser_nodes$AMethPropdef$n_signature (self) on <self:AMethPropdef> */
 var52 = self->attrs[COLOR_nitc__parser_nodes__AMethPropdef___n_signature].val; /* _n_signature on <self:AMethPropdef> */
 var50 = var52;
 RET_LABEL51:(void)0;
 }
 }
 if (var50 == 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__typing, 763);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 771);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ASignature#n_params (var50) on <var50:nullable ASignature> */
+{ /* Inline parser_nodes$ASignature$n_params (var50) on <var50:nullable ASignature> */
 if (unlikely(var50 == 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__parser_nodes, 1679);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1746);
 fatal_exit(1);
 }
 var55 = var50->attrs[COLOR_nitc__parser_nodes__ASignature___n_params].val; /* _n_params on <var50:nullable ASignature> */
 if (unlikely(var55 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_params");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1679);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1746);
 fatal_exit(1);
 }
 var53 = var55;
@@ -8351,1570 +9694,293 @@ if (likely(varonce!=NULL)) {
 var57 = varonce;
 } else {
 var58 = "Array";
-var59 = core__flat___NativeString___to_s_full(var58, 5l, 5l);
+var60 = (val*)(5l<<2|1);
+var61 = (val*)(5l<<2|1);
+var62 = (val*)((long)(0)<<2|3);
+var63 = (val*)((long)(0)<<2|3);
+var59 = core__flat___CString___to_s_unsafe(var58, var60, var61, var62, var63);
 var57 = var59;
 varonce = var57;
 }
 {
-var60 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(var_v, var56, var57);
+var64 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(var_v, var56, var57);
 }
-var_arrayclass = var60;
+var_arrayclass = var64;
 if (var_arrayclass == NULL) {
-var61 = 1; /* is null */
+var65 = 1; /* is null */
 } else {
-var61 = 0; /* arg is null but recv is not */
+var65 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_arrayclass,((val*)NULL)) on <var_arrayclass:nullable MClass> */
+{ /* Inline kernel$Object$== (var_arrayclass,((val*)NULL)) on <var_arrayclass:nullable MClass> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_arrayclass,var_other) on <var_arrayclass:nullable MClass(MClass)> */
-var66 = var_arrayclass == var_other;
-var64 = var66;
-goto RET_LABEL65;
-RET_LABEL65:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_arrayclass,var_other) on <var_arrayclass:nullable MClass(MClass)> */
+var70 = var_arrayclass == var_other;
+var68 = var70;
+goto RET_LABEL69;
+RET_LABEL69:(void)0;
 }
 }
-var62 = var64;
-goto RET_LABEL63;
-RET_LABEL63:(void)0;
+var66 = var68;
+goto RET_LABEL67;
+RET_LABEL67:(void)0;
 }
-var61 = var62;
+var65 = var66;
 }
-if (var61){
+if (var65){
 goto RET_LABEL;
 } else {
 }
-var67 = NEW_core__Array(&type_core__Array__nitc__MType);
+var71 = NEW_core__Array(&type_core__Array__nitc__MType);
 {
-core___core__Array___with_capacity(var67, 1l); /* Direct call array#Array#with_capacity on <var67:Array[MType]>*/
+core___core__Array___with_capacity(var71, 1l); /* Direct call array$Array$with_capacity on <var71:Array[MType]>*/
 }
-var_68 = var67;
+var_72 = var71;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_68, var_mtype); /* Direct call array#AbstractArray#push on <var_68:Array[MType]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_72, var_mtype); /* Direct call array$AbstractArray$push on <var_72:Array[MType]>*/
 }
 {
-var69 = nitc___nitc__MClass___get_mtype(var_arrayclass, var_68);
+var73 = nitc___nitc__MClass___get_mtype(var_arrayclass, var_72);
 }
-var_mtype = var69;
+var_mtype = var73;
 } else {
 }
 {
-{ /* Inline parser_nodes#AMethPropdef#n_signature (self) on <self:AMethPropdef> */
-var72 = self->attrs[COLOR_nitc__parser_nodes__AMethPropdef___n_signature].val; /* _n_signature on <self:AMethPropdef> */
-var70 = var72;
-RET_LABEL71:(void)0;
+{ /* Inline parser_nodes$AMethPropdef$n_signature (self) on <self:AMethPropdef> */
+var76 = self->attrs[COLOR_nitc__parser_nodes__AMethPropdef___n_signature].val; /* _n_signature on <self:AMethPropdef> */
+var74 = var76;
+RET_LABEL75:(void)0;
+}
 }
+if (var74 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (var70 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 767);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 775);
 fatal_exit(1);
 } else {
-{ /* Inline parser_nodes#ASignature#n_params (var70) on <var70:nullable ASignature> */
-if (unlikely(var70 == NULL)) {
+{ /* Inline parser_nodes$ASignature$n_params (var74) on <var74:nullable ASignature> */
+if (unlikely(var74 == 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__parser_nodes, 1679);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1746);
 fatal_exit(1);
 }
-var75 = var70->attrs[COLOR_nitc__parser_nodes__ASignature___n_params].val; /* _n_params on <var70:nullable ASignature> */
-if (unlikely(var75 == NULL)) {
+var79 = var74->attrs[COLOR_nitc__parser_nodes__ASignature___n_params].val; /* _n_params on <var74:nullable ASignature> */
+if (unlikely(var79 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_params");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1679);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1746);
 fatal_exit(1);
 }
-var73 = var75;
-RET_LABEL74:(void)0;
+var77 = var79;
+RET_LABEL78:(void)0;
 }
 }
 {
-var76 = nitc___nitc__ANodes___core__abstract_collection__SequenceRead___91d_93d(var73, var_i);
+var80 = nitc___nitc__ANodes___core__abstract_collection__SequenceRead___91d_93d(var77, var_i);
 }
 {
-{ /* Inline scope#AParam#variable (var76) on <var76:ANode(AParam)> */
-var79 = var76->attrs[COLOR_nitc__scope__AParam___variable].val; /* _variable on <var76:ANode(AParam)> */
-var77 = var79;
-RET_LABEL78:(void)0;
+{ /* Inline scope$AParam$variable (var80) on <var80:ANode(AParam)> */
+var83 = var80->attrs[COLOR_nitc__scope__AParam___variable].val; /* _variable on <var80:ANode(AParam)> */
+var81 = var83;
+RET_LABEL82:(void)0;
 }
 }
-var_variable = var77;
+var_variable = var81;
 if (var_variable == NULL) {
-var80 = 0; /* is null */
+var84 = 0; /* is null */
 } else {
-var80 = 1; /* arg is null and recv is not */
+var84 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_variable,((val*)NULL)) on <var_variable:nullable Variable> */
-var_other83 = ((val*)NULL);
+{ /* Inline kernel$Object$!= (var_variable,((val*)NULL)) on <var_variable:nullable Variable> */
+var_other87 = ((val*)NULL);
 {
-var84 = ((short int(*)(val* self, val* p0))(var_variable->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_variable, var_other83); /* == on <var_variable:nullable Variable(Variable)>*/
+var88 = ((short int(*)(val* self, val* p0))(var_variable->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_variable, var_other87); /* == on <var_variable:nullable Variable(Variable)>*/
 }
-var85 = !var84;
-var81 = var85;
-goto RET_LABEL82;
-RET_LABEL82:(void)0;
+var89 = !var88;
+var85 = var89;
+goto RET_LABEL86;
+RET_LABEL86:(void)0;
 }
-var80 = var81;
+var84 = var85;
+}
+if (unlikely(!var84)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (unlikely(!var80)) {
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 768);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 776);
 fatal_exit(1);
 }
 {
-{ /* Inline typing#Variable#declared_type= (var_variable,var_mtype) on <var_variable:nullable Variable(Variable)> */
+{ /* Inline typing$Variable$declared_type= (var_variable,var_mtype) on <var_variable:nullable Variable(Variable)> */
 var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val = var_mtype; /* _declared_type on <var_variable:nullable Variable(Variable)> */
-RET_LABEL86:(void)0;
+RET_LABEL90:(void)0;
 }
 }
 {
-var87 = core___core__Int___Discrete__successor(var_i, 1l);
+var91 = core___core__Int___Discrete__successor(var_i, 1l);
 }
-var_i = var87;
+var_i = var91;
 }
 BREAK_label: (void)0;
 {
-{ /* Inline parser_nodes#AMethPropdef#n_block (self) on <self:AMethPropdef> */
-var90 = self->attrs[COLOR_nitc__parser_nodes__AMethPropdef___n_block].val; /* _n_block on <self:AMethPropdef> */
-var88 = var90;
-RET_LABEL89:(void)0;
+{ /* Inline parser_nodes$AMethPropdef$n_block (self) on <self:AMethPropdef> */
+var94 = self->attrs[COLOR_nitc__parser_nodes__AMethPropdef___n_block].val; /* _n_block on <self:AMethPropdef> */
+var92 = var94;
+RET_LABEL93:(void)0;
 }
 }
-var_nblock = var88;
+var_nblock = var92;
 if (var_nblock == NULL) {
-var91 = 1; /* is null */
+var95 = 1; /* is null */
 } else {
-var91 = 0; /* arg is null but recv is not */
+var95 = 0; /* arg is null but 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);
 {
-{ /* Inline kernel#Object#is_same_instance (var_nblock,var_other) on <var_nblock:nullable AExpr(AExpr)> */
-var96 = var_nblock == var_other;
-var94 = var96;
-goto RET_LABEL95;
-RET_LABEL95:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_nblock,var_other) on <var_nblock:nullable AExpr(AExpr)> */
+var100 = var_nblock == var_other;
+var98 = var100;
+goto RET_LABEL99;
+RET_LABEL99:(void)0;
 }
 }
-var92 = var94;
-goto RET_LABEL93;
-RET_LABEL93:(void)0;
+var96 = var98;
+goto RET_LABEL97;
+RET_LABEL97:(void)0;
 }
-var91 = var92;
+var95 = var96;
 }
-if (var91){
+if (var95){
 goto RET_LABEL;
 } else {
 }
 for(;;) {
 {
-{ /* Inline typing#TypeVisitor#dirty= (var_v,0) on <var_v:TypeVisitor> */
+{ /* Inline typing$TypeVisitor$dirty= (var_v,0) on <var_v:TypeVisitor> */
 var_v->attrs[COLOR_nitc__typing__TypeVisitor___dirty].s = 0; /* _dirty on <var_v:TypeVisitor> */
-RET_LABEL97:(void)0;
+RET_LABEL101:(void)0;
 }
 }
 {
-nitc__typing___nitc__typing__TypeVisitor___visit_stmt(var_v, var_nblock); /* Direct call typing#TypeVisitor#visit_stmt on <var_v:TypeVisitor>*/
+nitc__typing___nitc__typing__TypeVisitor___visit_stmt(var_v, var_nblock); /* Direct call typing$TypeVisitor$visit_stmt on <var_v:TypeVisitor>*/
 }
 {
-{ /* Inline typing#TypeVisitor#has_loop (var_v) on <var_v:TypeVisitor> */
-var101 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___has_loop].s; /* _has_loop on <var_v:TypeVisitor> */
-var99 = var101;
-RET_LABEL100:(void)0;
+{ /* Inline typing$TypeVisitor$has_loop (var_v) on <var_v:TypeVisitor> */
+var105 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___has_loop].s; /* _has_loop on <var_v:TypeVisitor> */
+var103 = var105;
+RET_LABEL104:(void)0;
 }
 }
-var102 = !var99;
-var_103 = var102;
-if (var102){
-var98 = var_103;
+var106 = !var103;
+var_107 = var106;
+if (var106){
+var102 = var_107;
 } else {
 {
-{ /* Inline typing#TypeVisitor#dirty (var_v) on <var_v:TypeVisitor> */
-var106 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___dirty].s; /* _dirty on <var_v:TypeVisitor> */
-var104 = var106;
-RET_LABEL105:(void)0;
+{ /* Inline typing$TypeVisitor$dirty (var_v) on <var_v:TypeVisitor> */
+var110 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___dirty].s; /* _dirty on <var_v:TypeVisitor> */
+var108 = var110;
+RET_LABEL109:(void)0;
 }
 }
-var107 = !var104;
-var98 = var107;
+var111 = !var108;
+var102 = var111;
 }
-if (var98){
-goto BREAK_label108;
+if (var102){
+goto BREAK_label112;
 } else {
 }
 }
-BREAK_label108: (void)0;
-var109 = NEW_nitc__typing__PostTypingVisitor(&type_nitc__typing__PostTypingVisitor);
+BREAK_label112: (void)0;
+var113 = NEW_nitc__typing__PostTypingVisitor(&type_nitc__typing__PostTypingVisitor);
 {
-((void(*)(val* self, val* p0))(var109->class->vft[COLOR_nitc__typing__PostTypingVisitor__type_visitor_61d]))(var109, var_v); /* type_visitor= on <var109:PostTypingVisitor>*/
+((void(*)(val* self, val* p0))(var113->class->vft[COLOR_nitc__typing__PostTypingVisitor__type_visitor_61d]))(var113, var_v); /* type_visitor= on <var113:PostTypingVisitor>*/
 }
 {
-((void(*)(val* self))(var109->class->vft[COLOR_core__kernel__Object__init]))(var109); /* init on <var109:PostTypingVisitor>*/
+((void(*)(val* self))(var113->class->vft[COLOR_core__kernel__Object__init]))(var113); /* init on <var113:PostTypingVisitor>*/
 }
-var_post_visitor = var109;
+var_post_visitor = var113;
 {
-nitc___nitc__Visitor___enter_visit(var_post_visitor, self); /* Direct call parser_nodes#Visitor#enter_visit on <var_post_visitor:PostTypingVisitor>*/
+nitc___nitc__Visitor___enter_visit(var_post_visitor, self); /* Direct call parser_nodes$Visitor$enter_visit on <var_post_visitor:PostTypingVisitor>*/
 }
 {
-{ /* Inline flow#AExpr#after_flow_context (var_nblock) on <var_nblock:nullable AExpr(AExpr)> */
-var113 = var_nblock->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_nblock:nullable AExpr(AExpr)> */
-var111 = var113;
-RET_LABEL112:(void)0;
+{ /* Inline flow$AExpr$after_flow_context (var_nblock) on <var_nblock:nullable AExpr(AExpr)> */
+var117 = var_nblock->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_nblock:nullable AExpr(AExpr)> */
+var115 = var117;
+RET_LABEL116:(void)0;
+}
 }
+if (var115 == NULL) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (var111 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 784);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 792);
 fatal_exit(1);
 } else {
-var114 = nitc___nitc__FlowContext___is_unreachable(var111);
+var118 = nitc___nitc__FlowContext___is_unreachable(var115);
 }
-var115 = !var114;
-var_116 = var115;
-if (var115){
+var119 = !var118;
+var_120 = var119;
+if (var119){
 {
-{ /* Inline model#MSignature#return_mtype (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
-var119 = var_msignature->attrs[COLOR_nitc__model__MSignature___return_mtype].val; /* _return_mtype on <var_msignature:nullable MSignature(MSignature)> */
-var117 = var119;
-RET_LABEL118:(void)0;
+{ /* Inline model$MSignature$return_mtype (var_msignature) on <var_msignature:nullable MSignature(MSignature)> */
+var123 = var_msignature->attrs[COLOR_nitc__model__MSignature___return_mtype].val; /* _return_mtype on <var_msignature:nullable MSignature(MSignature)> */
+var121 = var123;
+RET_LABEL122:(void)0;
 }
 }
-if (var117 == NULL) {
-var120 = 0; /* is null */
+if (var121 == NULL) {
+var124 = 0; /* is null */
 } else {
-var120 = 1; /* arg is null and recv is not */
+var124 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var117,((val*)NULL)) on <var117:nullable MType> */
-var_other83 = ((val*)NULL);
+{ /* Inline kernel$Object$!= (var121,((val*)NULL)) on <var121:nullable MType> */
+var_other87 = ((val*)NULL);
 {
-var123 = ((short int(*)(val* self, val* p0))(var117->class->vft[COLOR_core__kernel__Object___61d_61d]))(var117, var_other83); /* == on <var117:nullable MType(MType)>*/
-}
-var124 = !var123;
-var121 = var124;
-goto RET_LABEL122;
-RET_LABEL122:(void)0;
-}
-var120 = var121;
+var127 = ((short int(*)(val* self, val* p0))(var121->class->vft[COLOR_core__kernel__Object___61d_61d]))(var121, var_other87); /* == on <var121:nullable MType(MType)>*/
 }
-var110 = var120;
-} else {
-var110 = var_116;
-}
-if (var110){
-if (likely(varonce125!=NULL)) {
-var126 = varonce125;
-} else {
-var127 = "Error: reached end of function; expected `return` with a value.";
-var128 = core__flat___NativeString___to_s_full(var127, 63l, 63l);
-var126 = var128;
-varonce125 = var126;
+var128 = !var127;
+var125 = var128;
+goto RET_LABEL126;
+RET_LABEL126:(void)0;
 }
-{
-nitc__typing___nitc__typing__TypeVisitor___error(var_v, self, var126); /* Direct call typing#TypeVisitor#error on <var_v:TypeVisitor>*/
+var124 = var125;
 }
+var114 = var124;
 } else {
+var114 = var_120;
 }
-RET_LABEL:;
-}
-/* method typing#PostTypingVisitor#type_visitor for (self: PostTypingVisitor): TypeVisitor */
-val* nitc__typing___nitc__typing__PostTypingVisitor___type_visitor(val* self) {
-val* var /* : TypeVisitor */;
-val* var1 /* : TypeVisitor */;
-var1 = self->attrs[COLOR_nitc__typing__PostTypingVisitor___type_visitor].val; /* _type_visitor on <self:PostTypingVisitor> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _type_visitor");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 793);
-fatal_exit(1);
-}
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method typing#PostTypingVisitor#type_visitor= for (self: PostTypingVisitor, TypeVisitor) */
-void nitc__typing___nitc__typing__PostTypingVisitor___type_visitor_61d(val* self, val* p0) {
-self->attrs[COLOR_nitc__typing__PostTypingVisitor___type_visitor].val = p0; /* _type_visitor on <self:PostTypingVisitor> */
-RET_LABEL:;
-}
-/* method typing#PostTypingVisitor#visit for (self: PostTypingVisitor, ANode) */
-void nitc__typing___nitc__typing__PostTypingVisitor___nitc__parser_nodes__Visitor__visit(val* self, val* p0) {
-val* var_n /* var n: ANode */;
-val* var /* : TypeVisitor */;
-val* var2 /* : TypeVisitor */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-int cltype;
-int idtype;
-short int var_ /* var : Bool */;
-val* var6 /* : nullable MType */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-short int var_13 /* var : Bool */;
-short int var14 /* : Bool */;
-short int var16 /* : Bool */;
-short int var17 /* : Bool */;
-var_n = p0;
-{
-((void(*)(val* self, val* p0))(var_n->class->vft[COLOR_nitc__parser_nodes__ANode__visit_all]))(var_n, self); /* visit_all on <var_n:ANode>*/
-}
-{
-{ /* Inline typing#PostTypingVisitor#type_visitor (self) on <self:PostTypingVisitor> */
-var2 = self->attrs[COLOR_nitc__typing__PostTypingVisitor___type_visitor].val; /* _type_visitor on <self:PostTypingVisitor> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _type_visitor");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 793);
-fatal_exit(1);
-}
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-{
-((void(*)(val* self, val* p0))(var_n->class->vft[COLOR_nitc__typing__ANode__accept_post_typing]))(var_n, var); /* accept_post_typing on <var_n:ANode>*/
-}
-/* <var_n:ANode> isa AExpr */
-cltype = type_nitc__AExpr.color;
-idtype = type_nitc__AExpr.id;
-if(cltype >= var_n->type->table_size) {
-var5 = 0;
+if (var114){
+if (likely(varonce129!=NULL)) {
+var130 = varonce129;
 } else {
-var5 = var_n->type->type_table[cltype] == idtype;
+var131 = "Error: reached end of function; expected `return` with a value.";
+var133 = (val*)(63l<<2|1);
+var134 = (val*)(63l<<2|1);
+var135 = (val*)((long)(0)<<2|3);
+var136 = (val*)((long)(0)<<2|3);
+var132 = core__flat___CString___to_s_unsafe(var131, var133, var134, var135, var136);
+var130 = var132;
+varonce129 = var130;
 }
-var_ = var5;
-if (var5){
 {
-var6 = ((val*(*)(val* self))(var_n->class->vft[COLOR_nitc__typing__AExpr__mtype]))(var_n); /* mtype on <var_n:ANode(AExpr)>*/
+nitc__typing___nitc__typing__TypeVisitor___error(var_v, self, var130); /* Direct call typing$TypeVisitor$error on <var_v:TypeVisitor>*/
 }
-if (var6 == NULL) {
-var7 = 1; /* is null */
 } else {
-var7 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var6,((val*)NULL)) on <var6:nullable MType> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var6,var_other) on <var6:nullable MType(MType)> */
-var12 = var6 == var_other;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
-}
-}
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
-}
-var7 = var8;
-}
-var4 = var7;
-} else {
-var4 = var_;
-}
-var_13 = var4;
-if (var4){
-{
-{ /* Inline typing#AExpr#is_typed (var_n) on <var_n:ANode(AExpr)> */
-var16 = var_n->attrs[COLOR_nitc__typing__AExpr___is_typed].s; /* _is_typed on <var_n:ANode(AExpr)> */
-var14 = var16;
-RET_LABEL15:(void)0;
-}
-}
-var17 = !var14;
-var3 = var17;
-} else {
-var3 = var_13;
-}
-if (var3){
-{
-{ /* Inline modelbuilder_base#ANode#is_broken= (var_n,1) on <var_n:ANode(AExpr)> */
-var_n->attrs[COLOR_nitc__modelbuilder_base__ANode___is_broken].s = 1; /* _is_broken on <var_n:ANode(AExpr)> */
-RET_LABEL18:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method typing#PostTypingVisitor#init for (self: PostTypingVisitor) */
-void nitc__typing___nitc__typing__PostTypingVisitor___core__kernel__Object__init(val* self) {
-{
-((void(*)(val* self))(self->class->vft[COLOR_nitc__typing___nitc__typing__PostTypingVisitor___core__kernel__Object__init]))(self); /* init on <self:PostTypingVisitor>*/
-}
-RET_LABEL:;
-}
-/* method typing#ANode#accept_post_typing for (self: ANode, TypeVisitor) */
-void nitc__typing___ANode___accept_post_typing(val* self, val* p0) {
-val* var_v /* var v: TypeVisitor */;
-var_v = p0;
-RET_LABEL:;
-}
-/* method typing#AAttrPropdef#do_typing for (self: AAttrPropdef, ModelBuilder) */
-void nitc__typing___AAttrPropdef___APropdef__do_typing(val* self, val* p0) {
-val* var_modelbuilder /* var modelbuilder: ModelBuilder */;
-short int var /* : Bool */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable MMethodDef */;
-val* var6 /* : nullable MMethodDef */;
-val* var_mpropdef /* var mpropdef: nullable MMethodDef */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var_ /* var : Bool */;
-val* var14 /* : nullable MSignature */;
-val* var16 /* : nullable MSignature */;
-short int var17 /* : Bool */;
-short int var18 /* : Bool */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
-val* var23 /* : TypeVisitor */;
-val* var24 /* : MClassDef */;
-val* var26 /* : MClassDef */;
-val* var27 /* : MModule */;
-val* var29 /* : MModule */;
-val* var_v /* var v: TypeVisitor */;
-val* var30 /* : Variable */;
-val* var32 /* : Variable */;
-val* var34 /* : nullable AExpr */;
-val* var36 /* : nullable AExpr */;
-val* var_nexpr /* var nexpr: nullable AExpr */;
-short int var37 /* : Bool */;
-short int var38 /* : Bool */;
-val* var_other40 /* var other: nullable Object */;
-short int var41 /* : Bool */;
-short int var42 /* : Bool */;
-val* var43 /* : nullable MType */;
-val* var45 /* : nullable MType */;
-val* var_mtype /* var mtype: nullable MType */;
-val* var46 /* : nullable MType */;
-val* var47 /* : nullable AExpr */;
-val* var49 /* : nullable AExpr */;
-val* var_nblock /* var nblock: nullable AExpr */;
-short int var50 /* : Bool */;
-short int var51 /* : Bool */;
-short int var53 /* : Bool */;
-short int var54 /* : Bool */;
-val* var55 /* : nullable FlowContext */;
-val* var57 /* : nullable FlowContext */;
-short int var58 /* : Bool */;
-short int var59 /* : Bool */;
-static val* varonce;
-val* var60 /* : String */;
-char* var61 /* : NativeString */;
-val* var62 /* : String */;
-var_modelbuilder = p0;
-{
-{ /* Inline modelize_property#AAttrPropdef#has_value (self) on <self:AAttrPropdef> */
-var2 = self->attrs[COLOR_nitc__modelize_property__AAttrPropdef___has_value].s; /* _has_value on <self:AAttrPropdef> */
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-var3 = !var;
-if (var3){
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline modelize_property#AAttrPropdef#mreadpropdef (self) on <self:AAttrPropdef> */
-var6 = self->attrs[COLOR_nitc__modelize_property__AAttrPropdef___mreadpropdef].val; /* _mreadpropdef on <self:AAttrPropdef> */
-var4 = var6;
-RET_LABEL5:(void)0;
-}
-}
-var_mpropdef = var4;
-if (var_mpropdef == NULL) {
-var8 = 1; /* is null */
-} else {
-var8 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_mpropdef,((val*)NULL)) on <var_mpropdef:nullable MMethodDef> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_mpropdef,var_other) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
-var13 = var_mpropdef == var_other;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-}
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
-}
-var8 = var9;
-}
-var_ = var8;
-if (var8){
-var7 = var_;
-} else {
-{
-{ /* Inline model#MMethodDef#msignature (var_mpropdef) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
-var16 = var_mpropdef->attrs[COLOR_nitc__model__MMethodDef___msignature].val; /* _msignature on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
-var14 = var16;
-RET_LABEL15:(void)0;
-}
-}
-if (var14 == NULL) {
-var17 = 1; /* is null */
-} else {
-var17 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var14,((val*)NULL)) on <var14:nullable MSignature> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var14,var_other) on <var14:nullable MSignature(MSignature)> */
-var22 = var14 == var_other;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
-}
-}
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
-}
-var17 = var18;
-}
-var7 = var17;
-}
-if (var7){
-goto RET_LABEL;
-} else {
-}
-var23 = NEW_nitc__typing__TypeVisitor(&type_nitc__typing__TypeVisitor);
-{
-{ /* Inline model#MPropDef#mclassdef (var_mpropdef) on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
-var26 = var_mpropdef->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var_mpropdef:nullable MMethodDef(MMethodDef)> */
-if (unlikely(var26 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2227);
-fatal_exit(1);
-}
-var24 = var26;
-RET_LABEL25:(void)0;
-}
-}
-{
-{ /* Inline model#MClassDef#mmodule (var24) on <var24:MClassDef> */
-var29 = var24->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var24:MClassDef> */
-if (unlikely(var29 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
-fatal_exit(1);
-}
-var27 = var29;
-RET_LABEL28:(void)0;
-}
-}
-{
-((void(*)(val* self, val* p0))(var23->class->vft[COLOR_nitc__typing__TypeVisitor__modelbuilder_61d]))(var23, var_modelbuilder); /* modelbuilder= on <var23:TypeVisitor>*/
-}
-{
-((void(*)(val* self, val* p0))(var23->class->vft[COLOR_nitc__typing__TypeVisitor__mmodule_61d]))(var23, var27); /* mmodule= on <var23:TypeVisitor>*/
-}
-{
-((void(*)(val* self, val* p0))(var23->class->vft[COLOR_nitc__typing__TypeVisitor__mpropdef_61d]))(var23, var_mpropdef); /* mpropdef= on <var23:TypeVisitor>*/
-}
-{
-((void(*)(val* self))(var23->class->vft[COLOR_core__kernel__Object__init]))(var23); /* init on <var23:TypeVisitor>*/
-}
-var_v = var23;
-{
-{ /* Inline typing#TypeVisitor#selfvariable (var_v) on <var_v:TypeVisitor> */
-var32 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___selfvariable].val; /* _selfvariable on <var_v:TypeVisitor> */
-if (unlikely(var32 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _selfvariable");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 51);
-fatal_exit(1);
-}
-var30 = var32;
-RET_LABEL31:(void)0;
-}
-}
-{
-{ /* Inline typing#APropdef#selfvariable= (self,var30) on <self:AAttrPropdef> */
-self->attrs[COLOR_nitc__typing__APropdef___selfvariable].val = var30; /* _selfvariable on <self:AAttrPropdef> */
-RET_LABEL33:(void)0;
-}
-}
-{
-{ /* Inline parser_nodes#AAttrPropdef#n_expr (self) on <self:AAttrPropdef> */
-var36 = self->attrs[COLOR_nitc__parser_nodes__AAttrPropdef___n_expr].val; /* _n_expr on <self:AAttrPropdef> */
-var34 = var36;
-RET_LABEL35:(void)0;
-}
-}
-var_nexpr = var34;
-if (var_nexpr == NULL) {
-var37 = 0; /* is null */
-} else {
-var37 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_nexpr,((val*)NULL)) on <var_nexpr:nullable AExpr> */
-var_other40 = ((val*)NULL);
-{
-var41 = ((short int(*)(val* self, val* p0))(var_nexpr->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_nexpr, var_other40); /* == on <var_nexpr:nullable AExpr(AExpr)>*/
-}
-var42 = !var41;
-var38 = var42;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
-}
-var37 = var38;
-}
-if (var37){
-{
-{ /* Inline modelize_property#AAttrPropdef#mtype (self) on <self:AAttrPropdef> */
-var45 = self->attrs[COLOR_nitc__modelize_property__AAttrPropdef___mtype].val; /* _mtype on <self:AAttrPropdef> */
-var43 = var45;
-RET_LABEL44:(void)0;
-}
-}
-var_mtype = var43;
-{
-var46 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(var_v, var_nexpr, var_mtype);
-}
-} else {
-}
-{
-{ /* Inline parser_nodes#AAttrPropdef#n_block (self) on <self:AAttrPropdef> */
-var49 = self->attrs[COLOR_nitc__parser_nodes__AAttrPropdef___n_block].val; /* _n_block on <self:AAttrPropdef> */
-var47 = var49;
-RET_LABEL48:(void)0;
-}
-}
-var_nblock = var47;
-if (var_nblock == NULL) {
-var50 = 0; /* is null */
-} else {
-var50 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_nblock,((val*)NULL)) on <var_nblock:nullable AExpr> */
-var_other40 = ((val*)NULL);
-{
-var53 = ((short int(*)(val* self, val* p0))(var_nblock->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_nblock, var_other40); /* == on <var_nblock:nullable AExpr(AExpr)>*/
-}
-var54 = !var53;
-var51 = var54;
-goto RET_LABEL52;
-RET_LABEL52:(void)0;
-}
-var50 = var51;
-}
-if (var50){
-{
-nitc__typing___nitc__typing__TypeVisitor___visit_stmt(var_v, var_nblock); /* Direct call typing#TypeVisitor#visit_stmt on <var_v:TypeVisitor>*/
-}
-{
-{ /* Inline flow#AExpr#after_flow_context (var_nblock) on <var_nblock:nullable AExpr(AExpr)> */
-var57 = var_nblock->attrs[COLOR_nitc__flow__AExpr___after_flow_context].val; /* _after_flow_context on <var_nblock:nullable AExpr(AExpr)> */
-var55 = var57;
-RET_LABEL56:(void)0;
-}
-}
-if (var55 == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 826);
-fatal_exit(1);
-} else {
-var58 = nitc___nitc__FlowContext___is_unreachable(var55);
-}
-var59 = !var58;
-if (var59){
-if (likely(varonce!=NULL)) {
-var60 = varonce;
-} else {
-var61 = "Error: reached end of block; expected `return`.";
-var62 = core__flat___NativeString___to_s_full(var61, 47l, 47l);
-var60 = var62;
-varonce = var60;
-}
-{
-nitc__typing___nitc__typing__TypeVisitor___error(var_v, self, var60); /* Direct call typing#TypeVisitor#error on <var_v:TypeVisitor>*/
-}
-} else {
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method typing#AExpr#mtype for (self: AExpr): nullable MType */
-val* nitc__typing___AExpr___mtype(val* self) {
-val* var /* : nullable MType */;
-val* var1 /* : nullable MType */;
-var1 = self->attrs[COLOR_nitc__typing__AExpr___mtype].val; /* _mtype on <self:AExpr> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method typing#AExpr#mtype= for (self: AExpr, nullable MType) */
-void nitc__typing___AExpr___mtype_61d(val* self, val* p0) {
-self->attrs[COLOR_nitc__typing__AExpr___mtype].val = p0; /* _mtype on <self:AExpr> */
-RET_LABEL:;
-}
-/* method typing#AExpr#is_typed for (self: AExpr): Bool */
-short int nitc__typing___AExpr___is_typed(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = self->attrs[COLOR_nitc__typing__AExpr___is_typed].s; /* _is_typed on <self:AExpr> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method typing#AExpr#is_typed= for (self: AExpr, Bool) */
-void nitc__typing___AExpr___is_typed_61d(val* self, short int p0) {
-self->attrs[COLOR_nitc__typing__AExpr___is_typed].s = p0; /* _is_typed on <self:AExpr> */
-RET_LABEL:;
-}
-/* method typing#AExpr#implicit_cast_to for (self: AExpr): nullable MType */
-val* nitc__typing___AExpr___implicit_cast_to(val* self) {
-val* var /* : nullable MType */;
-val* var1 /* : nullable MType */;
-var1 = self->attrs[COLOR_nitc__typing__AExpr___implicit_cast_to].val; /* _implicit_cast_to on <self:AExpr> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method typing#AExpr#implicit_cast_to= for (self: AExpr, nullable MType) */
-void nitc__typing___AExpr___implicit_cast_to_61d(val* self, val* p0) {
-self->attrs[COLOR_nitc__typing__AExpr___implicit_cast_to].val = p0; /* _implicit_cast_to on <self:AExpr> */
-RET_LABEL:;
-}
-/* method typing#AExpr#its_variable for (self: AExpr): nullable Variable */
-val* nitc__typing___AExpr___its_variable(val* self) {
-val* var /* : nullable Variable */;
-var = ((val*)NULL);
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method typing#AExpr#accept_typing for (self: AExpr, TypeVisitor) */
-void nitc__typing___AExpr___accept_typing(val* self, val* p0) {
-val* var_v /* var v: TypeVisitor */;
-val* var /* : NativeArray[String] */;
-static val* varonce;
-static val* varonce1;
-val* var2 /* : String */;
-char* var3 /* : NativeString */;
-val* var4 /* : String */;
-val* var5 /* : String */;
-val* var6 /* : String */;
-var_v = p0;
-if (unlikely(varonce==NULL)) {
-var = NEW_core__NativeArray(2l, &type_core__NativeArray__core__String);
-if (likely(varonce1!=NULL)) {
-var2 = varonce1;
-} else {
-var3 = "no implemented accept_typing for ";
-var4 = core__flat___NativeString___to_s_full(var3, 33l, 33l);
-var2 = var4;
-varonce1 = var2;
-}
-((struct instance_core__NativeArray*)var)->values[0]=var2;
-} else {
-var = varonce;
-varonce = NULL;
-}
-{
-var5 = core__abstract_text___Object___class_name(self);
-}
-((struct instance_core__NativeArray*)var)->values[1]=var5;
-{
-var6 = ((val*(*)(val* self))(var->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var); /* native_to_s on <var:NativeArray[String]>*/
-}
-varonce = var;
-{
-nitc__typing___nitc__typing__TypeVisitor___error(var_v, self, var6); /* Direct call typing#TypeVisitor#error on <var_v:TypeVisitor>*/
-}
-RET_LABEL:;
-}
-/* method typing#AExpr#comprehension for (self: AExpr): nullable AArrayExpr */
-val* nitc__typing___AExpr___comprehension(val* self) {
-val* var /* : nullable AArrayExpr */;
-val* var1 /* : nullable AArrayExpr */;
-var1 = self->attrs[COLOR_nitc__typing__AExpr___comprehension].val; /* _comprehension on <self:AExpr> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method typing#AExpr#comprehension= for (self: AExpr, nullable AArrayExpr) */
-void nitc__typing___AExpr___comprehension_61d(val* self, val* p0) {
-self->attrs[COLOR_nitc__typing__AExpr___comprehension].val = p0; /* _comprehension on <self:AExpr> */
-RET_LABEL:;
-}
-/* method typing#AExpr#vararg_decl for (self: AExpr): Int */
-long nitc__typing___AExpr___vararg_decl(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = self->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l; /* _vararg_decl on <self:AExpr> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method typing#AExpr#vararg_decl= for (self: AExpr, Int) */
-void nitc__typing___AExpr___vararg_decl_61d(val* self, long p0) {
-self->attrs[COLOR_nitc__typing__AExpr___vararg_decl].l = p0; /* _vararg_decl on <self:AExpr> */
-RET_LABEL:;
-}
-/* method typing#ABlockExpr#accept_typing for (self: ABlockExpr, TypeVisitor) */
-void nitc__typing___ABlockExpr___AExpr__accept_typing(val* self, val* p0) {
-val* var_v /* var v: TypeVisitor */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-val* var_ /* var : ANodes[AExpr] */;
-val* var3 /* : Iterator[ANode] */;
-val* var_4 /* var : Iterator[AExpr] */;
-short int var5 /* : Bool */;
-val* var6 /* : nullable Object */;
-val* var_e /* var e: AExpr */;
-var_v = p0;
-{
-{ /* Inline parser_nodes#ABlockExpr#n_expr (self) on <self:ABlockExpr> */
-var2 = self->attrs[COLOR_nitc__parser_nodes__ABlockExpr___n_expr].val; /* _n_expr on <self:ABlockExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1744);
-fatal_exit(1);
-}
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-var_ = var;
-{
-var3 = nitc___nitc__ANodes___core__abstract_collection__Collection__iterator(var_);
-}
-var_4 = var3;
-for(;;) {
-{
-var5 = ((short int(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_4); /* is_ok on <var_4:Iterator[AExpr]>*/
-}
-if (var5){
-} else {
-goto BREAK_label;
-}
-{
-var6 = ((val*(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_4); /* item on <var_4:Iterator[AExpr]>*/
-}
-var_e = var6;
-{
-nitc__typing___nitc__typing__TypeVisitor___visit_stmt(var_v, var_e); /* Direct call typing#TypeVisitor#visit_stmt on <var_v:TypeVisitor>*/
-}
-{
-((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_4); /* next on <var_4:Iterator[AExpr]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_4); /* finish on <var_4:Iterator[AExpr]>*/
-}
-{
-{ /* Inline typing#AExpr#is_typed= (self,1) on <self:ABlockExpr> */
-self->attrs[COLOR_nitc__typing__AExpr___is_typed].s = 1; /* _is_typed on <self:ABlockExpr> */
-RET_LABEL7:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method typing#ABlockExpr#mtype for (self: ABlockExpr): nullable MType */
-val* nitc__typing___ABlockExpr___AExpr__mtype(val* self) {
-val* var /* : nullable MType */;
-val* var1 /* : ANodes[AExpr] */;
-val* var3 /* : ANodes[AExpr] */;
-short int var4 /* : Bool */;
-val* var5 /* : ANodes[AExpr] */;
-val* var7 /* : ANodes[AExpr] */;
-val* var8 /* : nullable Object */;
-val* var9 /* : nullable MType */;
-{
-{ /* Inline parser_nodes#ABlockExpr#n_expr (self) on <self:ABlockExpr> */
-var3 = self->attrs[COLOR_nitc__parser_nodes__ABlockExpr___n_expr].val; /* _n_expr on <self:ABlockExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1744);
-fatal_exit(1);
-}
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-{
-var4 = nitc___nitc__ANodes___core__abstract_collection__Collection__is_empty(var1);
-}
-if (var4){
-var = ((val*)NULL);
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline parser_nodes#ABlockExpr#n_expr (self) on <self:ABlockExpr> */
-var7 = self->attrs[COLOR_nitc__parser_nodes__ABlockExpr___n_expr].val; /* _n_expr on <self:ABlockExpr> */
-if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__parser_nodes, 1744);
-fatal_exit(1);
-}
-var5 = var7;
-RET_LABEL6:(void)0;
-}
-}
-{
-var8 = core___core__SequenceRead___last(var5);
-}
-{
-var9 = ((val*(*)(val* self))(var8->class->vft[COLOR_nitc__typing__AExpr__mtype]))(var8); /* mtype on <var8:nullable Object(AExpr)>*/
-}
-var = var9;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method typing#AVardeclExpr#accept_typing for (self: AVardeclExpr, TypeVisitor) */
-void nitc__typing___AVardeclExpr___AExpr__accept_typing(val* self, val* p0) {
-val* var_v /* var v: TypeVisitor */;
-val* var /* : nullable Variable */;
-val* var2 /* : nullable Variable */;
-val* var_variable /* var variable: nullable Variable */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-val* var9 /* : nullable AType */;
-val* var11 /* : nullable AType */;
-val* var_ntype /* var ntype: nullable AType */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-val* var_mtype /* var mtype: nullable MType */;
-val* var18 /* : nullable MType */;
-short int var19 /* : Bool */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
-short int var24 /* : Bool */;
-val* var25 /* : nullable AExpr */;
-val* var27 /* : nullable AExpr */;
-val* var_nexpr /* var nexpr: nullable AExpr */;
-short int var28 /* : Bool */;
-short int var29 /* : Bool */;
-val* var_other31 /* var other: nullable Object */;
-short int var32 /* : Bool */;
-short int var33 /* : Bool */;
-short int var34 /* : Bool */;
-short int var35 /* : Bool */;
-short int var37 /* : Bool */;
-short int var38 /* : Bool */;
-val* var39 /* : nullable MType */;
-val* var_etype /* var etype: nullable MType */;
-short int var40 /* : Bool */;
-short int var41 /* : Bool */;
-short int var43 /* : Bool */;
-short int var45 /* : Bool */;
-short int var46 /* : Bool */;
-short int var47 /* : Bool */;
-short int var49 /* : Bool */;
-short int var50 /* : Bool */;
-val* var51 /* : ModelBuilder */;
-val* var53 /* : ModelBuilder */;
-static val* varonce;
-val* var54 /* : String */;
-char* var55 /* : NativeString */;
-val* var56 /* : String */;
-val* var58 /* : NativeArray[String] */;
-static val* varonce57;
-static val* varonce59;
-val* var60 /* : String */;
-char* var61 /* : NativeString */;
-val* var62 /* : String */;
-static val* varonce63;
-val* var64 /* : String */;
-char* var65 /* : NativeString */;
-val* var66 /* : String */;
-val* var67 /* : String */;
-val* var69 /* : String */;
-val* var70 /* : String */;
-val* var71 /* : nullable MType */;
-short int var72 /* : Bool */;
-short int var73 /* : Bool */;
-short int var75 /* : Bool */;
-short int var77 /* : Bool */;
-val* var_decltype /* var decltype: nullable MType */;
-short int var78 /* : Bool */;
-short int var79 /* : Bool */;
-short int var80 /* : Bool */;
-short int var82 /* : Bool */;
-short int var84 /* : Bool */;
-short int var_ /* var : Bool */;
-short int var85 /* : Bool */;
-int cltype;
-int idtype;
-static val* varonce86;
-val* var87 /* : String */;
-char* var88 /* : NativeString */;
-val* var89 /* : String */;
-val* var90 /* : nullable MClass */;
-val* var_objclass /* var objclass: nullable MClass */;
-short int var91 /* : Bool */;
-short int var92 /* : Bool */;
-short int var94 /* : Bool */;
-short int var96 /* : Bool */;
-val* var97 /* : MClassType */;
-val* var99 /* : MClassType */;
-val* var100 /* : MType */;
-short int var101 /* : Bool */;
-short int var102 /* : Bool */;
-short int var104 /* : Bool */;
-short int var106 /* : Bool */;
-var_v = p0;
-{
-{ /* Inline scope#AVardeclExpr#variable (self) on <self:AVardeclExpr> */
-var2 = self->attrs[COLOR_nitc__scope__AVardeclExpr___variable].val; /* _variable on <self:AVardeclExpr> */
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-var_variable = var;
-if (var_variable == NULL) {
-var3 = 1; /* is null */
-} else {
-var3 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_variable,((val*)NULL)) on <var_variable:nullable Variable> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_variable,var_other) on <var_variable:nullable Variable(Variable)> */
-var8 = var_variable == var_other;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
-}
-}
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var3 = var4;
-}
-if (var3){
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline parser_nodes#AVardeclExpr#n_type (self) on <self:AVardeclExpr> */
-var11 = self->attrs[COLOR_nitc__parser_nodes__AVardeclExpr___n_type].val; /* _n_type on <self:AVardeclExpr> */
-var9 = var11;
-RET_LABEL10:(void)0;
-}
-}
-var_ntype = var9;
-if (var_ntype == NULL) {
-var12 = 1; /* is null */
-} else {
-var12 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_ntype,((val*)NULL)) on <var_ntype:nullable AType> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_ntype,var_other) on <var_ntype:nullable AType(AType)> */
-var17 = var_ntype == var_other;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
-}
-}
-var13 = var15;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
-}
-var12 = var13;
-}
-if (var12){
-var_mtype = ((val*)NULL);
-} else {
-{
-var18 = nitc__typing___nitc__typing__TypeVisitor___resolve_mtype(var_v, var_ntype);
-}
-var_mtype = var18;
-if (var_mtype == NULL) {
-var19 = 1; /* is null */
-} else {
-var19 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_mtype,var_other) on <var_mtype:nullable MType(MType)> */
-var24 = var_mtype == var_other;
-var22 = var24;
-goto RET_LABEL23;
-RET_LABEL23:(void)0;
-}
-}
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
-}
-var19 = var20;
-}
-if (var19){
-goto RET_LABEL;
-} else {
-}
-}
-{
-{ /* Inline parser_nodes#AVardeclExpr#n_expr (self) on <self:AVardeclExpr> */
-var27 = self->attrs[COLOR_nitc__parser_nodes__AVardeclExpr___n_expr].val; /* _n_expr on <self:AVardeclExpr> */
-var25 = var27;
-RET_LABEL26:(void)0;
-}
-}
-var_nexpr = var25;
-if (var_nexpr == NULL) {
-var28 = 0; /* is null */
-} else {
-var28 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_nexpr,((val*)NULL)) on <var_nexpr:nullable AExpr> */
-var_other31 = ((val*)NULL);
-{
-var32 = ((short int(*)(val* self, val* p0))(var_nexpr->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_nexpr, var_other31); /* == on <var_nexpr:nullable AExpr(AExpr)>*/
-}
-var33 = !var32;
-var29 = var33;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
-}
-var28 = var29;
-}
-if (var28){
-if (var_mtype == NULL) {
-var34 = 0; /* is null */
-} else {
-var34 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
-var_other31 = ((val*)NULL);
-{
-var37 = ((short int(*)(val* self, val* p0))(var_mtype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_mtype, var_other31); /* == on <var_mtype:nullable MType(MType)>*/
-}
-var38 = !var37;
-var35 = var38;
-goto RET_LABEL36;
-RET_LABEL36:(void)0;
-}
-var34 = var35;
-}
-if (var34){
-{
-var39 = nitc__typing___nitc__typing__TypeVisitor___visit_expr_subtype(var_v, var_nexpr, var_mtype);
-}
-var_etype = var39;
-if (var_etype == NULL) {
-var40 = 0; /* <var_mtype:nullable MType(MType)> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var_etype,var_mtype) on <var_etype:nullable MType> */
-var_other = var_mtype;
-{
-{ /* Inline kernel#Object#is_same_instance (var_etype,var_other) on <var_etype:nullable MType(MType)> */
-var45 = var_etype == var_other;
-var43 = var45;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
-}
-}
-var41 = var43;
-goto RET_LABEL42;
-RET_LABEL42:(void)0;
-}
-var40 = var41;
-}
-if (var40){
-if (var_ntype == NULL) {
-var46 = 0; /* is null */
-} else {
-var46 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_ntype,((val*)NULL)) on <var_ntype:nullable AType> */
-var_other31 = ((val*)NULL);
-{
-var49 = ((short int(*)(val* self, val* p0))(var_ntype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_ntype, var_other31); /* == on <var_ntype:nullable AType(AType)>*/
-}
-var50 = !var49;
-var47 = var50;
-goto RET_LABEL48;
-RET_LABEL48:(void)0;
-}
-var46 = var47;
-}
-if (unlikely(!var46)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 911);
-fatal_exit(1);
-}
-{
-{ /* Inline typing#TypeVisitor#modelbuilder (var_v) on <var_v:TypeVisitor> */
-var53 = var_v->attrs[COLOR_nitc__typing__TypeVisitor___modelbuilder].val; /* _modelbuilder on <var_v:TypeVisitor> */
-if (unlikely(var53 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _modelbuilder");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__typing, 35);
-fatal_exit(1);
-}
-var51 = var53;
-RET_LABEL52:(void)0;
-}
-}
-if (likely(varonce!=NULL)) {
-var54 = varonce;
-} else {
-var55 = "useless-type";
-var56 = core__flat___NativeString___to_s_full(var55, 12l, 12l);
-var54 = var56;
-varonce = var54;
-}
-if (unlikely(varonce57==NULL)) {
-var58 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce59!=NULL)) {
-var60 = varonce59;
-} else {
-var61 = "Warning: useless type definition for variable `";
-var62 = core__flat___NativeString___to_s_full(var61, 47l, 47l);
-var60 = var62;
-varonce59 = var60;
-}
-((struct instance_core__NativeArray*)var58)->values[0]=var60;
-if (likely(varonce63!=NULL)) {
-var64 = varonce63;
-} else {
-var65 = "`";
-var66 = core__flat___NativeString___to_s_full(var65, 1l, 1l);
-var64 = var66;
-varonce63 = var64;
-}
-((struct instance_core__NativeArray*)var58)->values[2]=var64;
-} else {
-var58 = varonce57;
-varonce57 = NULL;
-}
-{
-{ /* Inline scope#Variable#name (var_variable) on <var_variable:nullable Variable(Variable)> */
-var69 = var_variable->attrs[COLOR_nitc__scope__Variable___name].val; /* _name on <var_variable:nullable Variable(Variable)> */
-if (unlikely(var69 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__scope, 36);
-fatal_exit(1);
-}
-var67 = var69;
-RET_LABEL68:(void)0;
-}
-}
-((struct instance_core__NativeArray*)var58)->values[1]=var67;
-{
-var70 = ((val*(*)(val* self))(var58->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var58); /* native_to_s on <var58:NativeArray[String]>*/
-}
-varonce57 = var58;
-{
-nitc___nitc__ModelBuilder___advice(var51, var_ntype, var54, var70); /* Direct call modelbuilder_base#ModelBuilder#advice on <var51:ModelBuilder>*/
-}
-} else {
-}
-} else {
-{
-var71 = nitc__typing___nitc__typing__TypeVisitor___visit_expr(var_v, var_nexpr);
-}
-var_mtype = var71;
-if (var_mtype == NULL) {
-var72 = 1; /* is null */
-} else {
-var72 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_mtype,var_other) on <var_mtype:nullable MType(MType)> */
-var77 = var_mtype == var_other;
-var75 = var77;
-goto RET_LABEL76;
-RET_LABEL76:(void)0;
-}
-}
-var73 = var75;
-goto RET_LABEL74;
-RET_LABEL74:(void)0;
-}
-var72 = var73;
-}
-if (var72){
-goto RET_LABEL;
-} else {
-}
-}
-} else {
-}
-var_decltype = var_mtype;
-if (var_mtype == NULL) {
-var79 = 1; /* is null */
-} else {
-var79 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_mtype,var_other) on <var_mtype:nullable MType(MType)> */
-var84 = var_mtype == var_other;
-var82 = var84;
-goto RET_LABEL83;
-RET_LABEL83:(void)0;
-}
-}
-var80 = var82;
-goto RET_LABEL81;
-RET_LABEL81:(void)0;
-}
-var79 = var80;
-}
-var_ = var79;
-if (var79){
-var78 = var_;
-} else {
-/* <var_mtype:nullable MType(MType)> isa MNullType */
-cltype = type_nitc__MNullType.color;
-idtype = type_nitc__MNullType.id;
-if(cltype >= var_mtype->type->table_size) {
-var85 = 0;
-} else {
-var85 = var_mtype->type->type_table[cltype] == idtype;
-}
-var78 = var85;
-}
-if (var78){
-if (likely(varonce86!=NULL)) {
-var87 = varonce86;
-} else {
-var88 = "Object";
-var89 = core__flat___NativeString___to_s_full(var88, 6l, 6l);
-var87 = var89;
-varonce86 = var87;
-}
-{
-var90 = nitc__typing___nitc__typing__TypeVisitor___get_mclass(var_v, self, var87);
-}
-var_objclass = var90;
-if (var_objclass == NULL) {
-var91 = 1; /* is null */
-} else {
-var91 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_objclass,((val*)NULL)) on <var_objclass:nullable MClass> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_objclass,var_other) on <var_objclass:nullable MClass(MClass)> */
-var96 = var_objclass == var_other;
-var94 = var96;
-goto RET_LABEL95;
-RET_LABEL95:(void)0;
-}
-}
-var92 = var94;
-goto RET_LABEL93;
-RET_LABEL93:(void)0;
-}
-var91 = var92;
-}
-if (var91){
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline model#MClass#mclass_type (var_objclass) on <var_objclass:nullable MClass(MClass)> */
-var99 = var_objclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_objclass:nullable MClass(MClass)> */
-if (unlikely(var99 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 507);
-fatal_exit(1);
-}
-var97 = var99;
-RET_LABEL98:(void)0;
-}
-}
-{
-var100 = nitc___nitc__MType___as_nullable(var97);
-}
-var_decltype = var100;
-if (var_mtype == NULL) {
-var101 = 1; /* is null */
-} else {
-var101 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_mtype,((val*)NULL)) on <var_mtype:nullable MType(nullable MNullType)> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_mtype,var_other) on <var_mtype:nullable MNullType(MNullType)> */
-var106 = var_mtype == var_other;
-var104 = var106;
-goto RET_LABEL105;
-RET_LABEL105:(void)0;
-}
-}
-var102 = var104;
-goto RET_LABEL103;
-RET_LABEL103:(void)0;
-}
-var101 = var102;
-}
-if (var101){
-var_mtype = var_decltype;
-} else {
-}
-} else {
-}
-{
-{ /* Inline typing#Variable#declared_type= (var_variable,var_decltype) on <var_variable:nullable Variable(Variable)> */
-var_variable->attrs[COLOR_nitc__typing__Variable___declared_type].val = var_decltype; /* _declared_type on <var_variable:nullable Variable(Variable)> */
-RET_LABEL107:(void)0;
-}
-}
-{
-nitc__typing___nitc__typing__TypeVisitor___set_variable(var_v, self, var_variable, var_mtype); /* Direct call typing#TypeVisitor#set_variable on <var_v:TypeVisitor>*/
-}
-{
-{ /* Inline typing#AExpr#mtype= (self,var_mtype) on <self:AVardeclExpr> */
-self->attrs[COLOR_nitc__typing__AExpr___mtype].val = var_mtype; /* _mtype on <self:AVardeclExpr> */
-RET_LABEL108:(void)0;
-}
-}
-{
-{ /* Inline typing#AExpr#is_typed= (self,1) on <self:AVardeclExpr> */
-self->attrs[COLOR_nitc__typing__AExpr___is_typed].s = 1; /* _is_typed on <self:AVardeclExpr> */
-RET_LABEL109:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method typing#AVarExpr#its_variable for (self: AVarExpr): nullable Variable */
-val* nitc__typing___AVarExpr___AExpr__its_variable(val* self) {
-val* var /* : nullable Variable */;
-val* var1 /* : nullable Variable */;
-val* var3 /* : nullable Variable */;
-{
-{ /* Inline scope#AVarFormExpr#variable (self) on <self:AVarExpr> */
-var3 = self->attrs[COLOR_nitc__scope__AVarFormExpr___variable].val; /* _variable on <self:AVarExpr> */
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method typing#AVarExpr#accept_typing for (self: AVarExpr, TypeVisitor) */
-void nitc__typing___AVarExpr___AExpr__accept_typing(val* self, val* p0) {
-val* var_v /* var v: TypeVisitor */;
-val* var /* : nullable Variable */;
-val* var2 /* : nullable Variable */;
-val* var_variable /* var variable: nullable Variable */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-val* var9 /* : nullable MType */;
-val* var_mtype /* var mtype: nullable MType */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
-val* var_other13 /* var other: nullable Object */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-var_v = p0;
-{
-{ /* Inline scope#AVarFormExpr#variable (self) on <self:AVarExpr> */
-var2 = self->attrs[COLOR_nitc__scope__AVarFormExpr___variable].val; /* _variable on <self:AVarExpr> */
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-var_variable = var;
-if (var_variable == NULL) {
-var3 = 1; /* is null */
-} else {
-var3 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#== (var_variable,((val*)NULL)) on <var_variable:nullable Variable> */
-var_other = ((val*)NULL);
-{
-{ /* Inline kernel#Object#is_same_instance (var_variable,var_other) on <var_variable:nullable Variable(Variable)> */
-var8 = var_variable == var_other;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
-}
-}
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var3 = var4;
-}
-if (var3){
-goto RET_LABEL;
-} else {
-}
-{
-var9 = nitc__typing___nitc__typing__TypeVisitor___get_variable(var_v, self, var_variable);
-}
-var_mtype = var9;
-if (var_mtype == NULL) {
-var10 = 0; /* is null */
-} else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_mtype,((val*)NULL)) on <var_mtype:nullable MType> */
-var_other13 = ((val*)NULL);
-{
-var14 = ((short int(*)(val* self, val* p0))(var_mtype->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_mtype, var_other13); /* == on <var_mtype:nullable MType(MType)>*/
-}
-var15 = !var14;
-var11 = var15;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-var10 = var11;
-}
-if (var10){
-} else {
-}
-{
-{ /* Inline typing#AExpr#mtype= (self,var_mtype) on <self:AVarExpr> */
-self->attrs[COLOR_nitc__typing__AExpr___mtype].val = var_mtype; /* _mtype on <self:AVarExpr> */
-RET_LABEL16:(void)0;
-}
 }
 RET_LABEL:;
 }