libevent: rename `bind_to` to the more precise `bind_tcp`

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

diff --git a/c_src/nitc__model.sep.1.c b/c_src/nitc__model.sep.1.c
index 51f5c38..d3b99cd 100644 (file)
--- a/c_src/nitc__model.sep.1.c
+++ b/c_src/nitc__model.sep.1.c
@@ -1,89 +1,121 @@
 #include "nitc__model.sep.0.h"
-/* method model#Model#mclasses for (self: Model): Array[MClass] */
+/* method model$MEntity$visibility for (self: MEntity): MVisibility */
+val* nitc__model___MEntity___visibility(val* self) {
+val* var /* : MVisibility */;
+val* var1 /* : Sys */;
+val* var2 /* : MVisibility */;
+var1 = glob_sys;
+{
+var2 = nitc__model_base___core__Sys___public_visibility(var1);
+}
+var = var2;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method model$Model$mclasses for (self: Model): Array[MClass] */
 val* nitc__model___Model___mclasses(val* self) {
 val* var /* : Array[MClass] */;
 val* var1 /* : Array[MClass] */;
 var1 = self->attrs[COLOR_nitc__model__Model___mclasses].val; /* _mclasses on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclasses");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 34);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 43);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#mproperties for (self: Model): Array[MProperty] */
+/* method model$Model$mproperties for (self: Model): Array[MProperty] */
 val* nitc__model___Model___mproperties(val* self) {
 val* var /* : Array[MProperty] */;
 val* var1 /* : Array[MProperty] */;
 var1 = self->attrs[COLOR_nitc__model__Model___mproperties].val; /* _mproperties on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperties");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 37);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 46);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#mclassdef_hierarchy for (self: Model): POSet[MClassDef] */
+/* method model$Model$mclassdef_hierarchy for (self: Model): POSet[MClassDef] */
 val* nitc__model___Model___mclassdef_hierarchy(val* self) {
 val* var /* : POSet[MClassDef] */;
 val* var1 /* : POSet[MClassDef] */;
 var1 = self->attrs[COLOR_nitc__model__Model___mclassdef_hierarchy].val; /* _mclassdef_hierarchy on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 40);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 49);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#intro_mtype_specialization_hierarchy for (self: Model): POSet[MClassType] */
+/* method model$Model$intro_mtype_specialization_hierarchy for (self: Model): POSet[MClassType] */
 val* nitc__model___Model___intro_mtype_specialization_hierarchy(val* self) {
 val* var /* : POSet[MClassType] */;
 val* var1 /* : POSet[MClassType] */;
 var1 = self->attrs[COLOR_nitc__model__Model___intro_mtype_specialization_hierarchy].val; /* _intro_mtype_specialization_hierarchy on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mtype_specialization_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 55);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#full_mtype_specialization_hierarchy for (self: Model): POSet[MClassType] */
+/* method model$Model$full_mtype_specialization_hierarchy for (self: Model): POSet[MClassType] */
 val* nitc__model___Model___full_mtype_specialization_hierarchy(val* self) {
 val* var /* : POSet[MClassType] */;
 val* var1 /* : POSet[MClassType] */;
 var1 = self->attrs[COLOR_nitc__model__Model___full_mtype_specialization_hierarchy].val; /* _full_mtype_specialization_hierarchy on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _full_mtype_specialization_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 57);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 66);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#mclasses_by_name for (self: Model): MultiHashMap[String, MClass] */
+/* method model$Model$mclasses_by_name for (self: Model): MultiHashMap[String, MClass] */
 val* nitc__model___Model___mclasses_by_name(val* self) {
 val* var /* : MultiHashMap[String, MClass] */;
 val* var1 /* : MultiHashMap[String, MClass] */;
 var1 = self->attrs[COLOR_nitc__model__Model___mclasses_by_name].val; /* _mclasses_by_name on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclasses_by_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 66);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 75);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#get_mclasses_by_name for (self: Model, String): nullable Array[MClass] */
+/* method model$Model$get_mclasses_by_name for (self: Model, String): nullable Array[MClass] */
 val* nitc__model___Model___get_mclasses_by_name(val* self, val* p0) {
 val* var /* : nullable Array[MClass] */;
 val* var_name /* var name: String */;
@@ -92,11 +124,14 @@ val* var3 /* : MultiHashMap[String, MClass] */;
 val* var4 /* : nullable Object */;
 var_name = p0;
 {
-{ /* Inline model#Model#mclasses_by_name (self) on <self:Model> */
+{ /* Inline model$Model$mclasses_by_name (self) on <self:Model> */
 var3 = self->attrs[COLOR_nitc__model__Model___mclasses_by_name].val; /* _mclasses_by_name on <self:Model> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclasses_by_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 66);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 75);
 fatal_exit(1);
 }
 var1 = var3;
@@ -111,21 +146,24 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#mproperties_by_name for (self: Model): MultiHashMap[String, MProperty] */
+/* method model$Model$mproperties_by_name for (self: Model): MultiHashMap[String, MProperty] */
 val* nitc__model___Model___mproperties_by_name(val* self) {
 val* var /* : MultiHashMap[String, MProperty] */;
 val* var1 /* : MultiHashMap[String, MProperty] */;
 var1 = self->attrs[COLOR_nitc__model__Model___mproperties_by_name].val; /* _mproperties_by_name on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperties_by_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 80);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 89);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#get_mproperties_by_name for (self: Model, String): nullable Array[MProperty] */
+/* method model$Model$get_mproperties_by_name for (self: Model, String): nullable Array[MProperty] */
 val* nitc__model___Model___get_mproperties_by_name(val* self, val* p0) {
 val* var /* : nullable Array[MProperty] */;
 val* var_name /* var name: String */;
@@ -134,11 +172,14 @@ val* var3 /* : MultiHashMap[String, MProperty] */;
 val* var4 /* : nullable Object */;
 var_name = p0;
 {
-{ /* Inline model#Model#mproperties_by_name (self) on <self:Model> */
+{ /* Inline model$Model$mproperties_by_name (self) on <self:Model> */
 var3 = self->attrs[COLOR_nitc__model__Model___mproperties_by_name].val; /* _mproperties_by_name on <self:Model> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperties_by_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 80);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 89);
 fatal_exit(1);
 }
 var1 = var3;
@@ -153,49 +194,58 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#Model#null_type for (self: Model): MNullType */
+/* method model$Model$null_type for (self: Model): MNullType */
 val* nitc__model___Model___null_type(val* self) {
 val* var /* : MNullType */;
 val* var1 /* : MNullType */;
 var1 = self->attrs[COLOR_nitc__model__Model___null_type].val; /* _null_type on <self:Model> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _null_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 94);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 103);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#intro_mclasses for (self: MModule): Array[MClass] */
+/* method model$MModule$intro_mclasses for (self: MModule): Array[MClass] */
 val* nitc__model___MModule___intro_mclasses(val* self) {
 val* var /* : Array[MClass] */;
 val* var1 /* : Array[MClass] */;
 var1 = self->attrs[COLOR_nitc__model__MModule___intro_mclasses].val; /* _intro_mclasses on <self:MModule> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mclasses");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 138);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 147);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#mclassdefs for (self: MModule): Array[MClassDef] */
+/* method model$MModule$mclassdefs for (self: MModule): Array[MClassDef] */
 val* nitc__model___MModule___mclassdefs(val* self) {
 val* var /* : Array[MClassDef] */;
 val* var1 /* : Array[MClassDef] */;
 var1 = self->attrs[COLOR_nitc__model__MModule___mclassdefs].val; /* _mclassdefs on <self:MModule> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 141);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 150);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#flatten_mclass_hierarchy for (self: MModule): POSet[MClass] */
+/* method model$MModule$flatten_mclass_hierarchy for (self: MModule): POSet[MClass] */
 val* nitc__model___MModule___flatten_mclass_hierarchy(val* self) {
 val* var /* : POSet[MClass] */;
 val* var1 /* : nullable POSet[MClass] */;
@@ -239,7 +289,7 @@ val* var_s /* var s: MClassType */;
 val* var41 /* : MClass */;
 val* var43 /* : MClass */;
 {
-{ /* Inline model#MModule#flatten_mclass_hierarchy_cache (self) on <self:MModule> */
+{ /* Inline model$MModule$flatten_mclass_hierarchy_cache (self) on <self:MModule> */
 var3 = self->attrs[COLOR_nitc__model__MModule___flatten_mclass_hierarchy_cache].val; /* _flatten_mclass_hierarchy_cache on <self:MModule> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -252,7 +302,7 @@ var4 = 0; /* is null */
 var4 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_res,((val*)NULL)) on <var_res:nullable POSet[MClass]> */
+{ /* Inline kernel$Object$!= (var_res,((val*)NULL)) on <var_res:nullable POSet[MClass]> */
 var_other = ((val*)NULL);
 {
 var7 = ((short int(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_res, var_other); /* == on <var_res:nullable POSet[MClass](POSet[MClass])>*/
@@ -271,17 +321,20 @@ goto RET_LABEL;
 }
 var9 = NEW_poset__POSet(&type_poset__POSet__nitc__MClass);
 {
-{ /* Inline kernel#Object#init (var9) on <var9:POSet[MClass]> */
+{ /* Inline kernel$Object$init (var9) on <var9:POSet[MClass]> */
 RET_LABEL10:(void)0;
 }
 }
 var_res = var9;
 {
-{ /* Inline mmodule#MModule#in_importation (self) on <self:MModule> */
+{ /* Inline mmodule$MModule$in_importation (self) on <self:MModule> */
 var13 = self->attrs[COLOR_nitc__mmodule__MModule___in_importation].val; /* _in_importation on <self:MModule> */
 if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _in_importation");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 104);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 108);
 fatal_exit(1);
 }
 var11 = var13;
@@ -309,11 +362,14 @@ var18 = ((val*(*)(val* self))((((long)var_16&3)?class_info[((long)var_16&3)]:var
 }
 var_m = var18;
 {
-{ /* Inline model#MModule#mclassdefs (var_m) on <var_m:MModule> */
+{ /* Inline model$MModule$mclassdefs (var_m) on <var_m:MModule> */
 var21 = var_m->attrs[COLOR_nitc__model__MModule___mclassdefs].val; /* _mclassdefs on <var_m:MModule> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 141);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 150);
 fatal_exit(1);
 }
 var19 = var21;
@@ -338,11 +394,14 @@ var27 = ((val*(*)(val* self))((((long)var_24&3)?class_info[((long)var_24&3)]:var
 }
 var_cd = var27;
 {
-{ /* Inline model#MClassDef#mclass (var_cd) on <var_cd:MClassDef> */
+{ /* Inline model$MClassDef$mclass (var_cd) on <var_cd:MClassDef> */
 var30 = var_cd->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <var_cd:MClassDef> */
 if (unlikely(var30 == 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);
 }
 var28 = var30;
@@ -354,11 +413,14 @@ var_c = var28;
 var31 = poset___poset__POSet___add_node(var_res, var_c);
 }
 {
-{ /* Inline model#MClassDef#supertypes (var_cd) on <var_cd:MClassDef> */
+{ /* Inline model$MClassDef$supertypes (var_cd) on <var_cd:MClassDef> */
 var34 = var_cd->attrs[COLOR_nitc__model__MClassDef___supertypes].val; /* _supertypes on <var_cd:MClassDef> */
 if (unlikely(var34 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _supertypes");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 650);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 666);
 fatal_exit(1);
 }
 var32 = var34;
@@ -383,11 +445,14 @@ var40 = ((val*(*)(val* self))((((long)var_37&3)?class_info[((long)var_37&3)]:var
 }
 var_s = var40;
 {
-{ /* Inline model#MClassType#mclass (var_s) on <var_s:MClassType> */
+{ /* Inline model$MClassType$mclass (var_s) on <var_s:MClassType> */
 var43 = var_s->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_s:MClassType> */
 if (unlikely(var43 == 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, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var41 = var43;
@@ -395,7 +460,7 @@ RET_LABEL42:(void)0;
 }
 }
 {
-poset___poset__POSet___add_edge(var_res, var_c, var41); /* Direct call poset#POSet#add_edge on <var_res:nullable POSet[MClass](POSet[MClass])>*/
+poset___poset__POSet___add_edge(var_res, var_c, var41); /* Direct call poset$POSet$add_edge on <var_res:nullable POSet[MClass](POSet[MClass])>*/
 }
 {
 ((void(*)(val* self))((((long)var_37&3)?class_info[((long)var_37&3)]:var_37->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_37); /* next on <var_37:IndexedIterator[MClassType]>*/
@@ -422,7 +487,7 @@ BREAK_label: (void)0;
 ((void(*)(val* self))((((long)var_16&3)?class_info[((long)var_16&3)]:var_16->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_16); /* finish on <var_16:Iterator[MModule]>*/
 }
 {
-{ /* Inline model#MModule#flatten_mclass_hierarchy_cache= (self,var_res) on <self:MModule> */
+{ /* Inline model$MModule$flatten_mclass_hierarchy_cache= (self,var_res) on <self:MModule> */
 self->attrs[COLOR_nitc__model__MModule___flatten_mclass_hierarchy_cache].val = var_res; /* _flatten_mclass_hierarchy_cache on <self:MModule> */
 RET_LABEL44:(void)0;
 }
@@ -432,7 +497,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#linearize_mclasses for (self: MModule, Array[MClass]) */
+/* method model$MModule$linearize_mclasses for (self: MModule, Array[MClass]) */
 void nitc__model___MModule___linearize_mclasses(val* self, val* p0) {
 val* var_mclasses /* var mclasses: Array[MClass] */;
 val* var /* : POSet[MClass] */;
@@ -441,11 +506,11 @@ var_mclasses = p0;
 var = nitc__model___MModule___flatten_mclass_hierarchy(self);
 }
 {
-core___core__Comparator___sort(var, var_mclasses); /* Direct call sorter#Comparator#sort on <var:POSet[MClass]>*/
+core___core__Comparator___sort(var, var_mclasses); /* Direct call sorter$Comparator$sort on <var:POSet[MClass]>*/
 }
 RET_LABEL:;
 }
-/* method model#MModule#linearize_mclassdefs for (self: MModule, Array[MClassDef]) */
+/* method model$MModule$linearize_mclassdefs for (self: MModule, Array[MClassDef]) */
 void nitc__model___MModule___linearize_mclassdefs(val* self, val* p0) {
 val* var_mclassdefs /* var mclassdefs: Array[MClassDef] */;
 val* var /* : MClassDefSorter */;
@@ -460,11 +525,11 @@ var = NEW_nitc__model__MClassDefSorter(&type_nitc__model__MClassDefSorter);
 }
 var_sorter = var;
 {
-core___core__Comparator___sort(var_sorter, var_mclassdefs); /* Direct call sorter#Comparator#sort on <var_sorter:MClassDefSorter>*/
+core___core__Comparator___sort(var_sorter, var_mclassdefs); /* Direct call sorter$Comparator$sort on <var_sorter:MClassDefSorter>*/
 }
 RET_LABEL:;
 }
-/* method model#MModule#linearize_mpropdefs for (self: MModule, Array[MPropDef]) */
+/* method model$MModule$linearize_mpropdefs for (self: MModule, Array[MPropDef]) */
 void nitc__model___MModule___linearize_mpropdefs(val* self, val* p0) {
 val* var_mpropdefs /* var mpropdefs: Array[MPropDef] */;
 val* var /* : MPropDefSorter */;
@@ -479,11 +544,11 @@ var = NEW_nitc__model__MPropDefSorter(&type_nitc__model__MPropDefSorter);
 }
 var_sorter = var;
 {
-core___core__Comparator___sort(var_sorter, var_mpropdefs); /* Direct call sorter#Comparator#sort on <var_sorter:MPropDefSorter>*/
+core___core__Comparator___sort(var_sorter, var_mpropdefs); /* Direct call sorter$Comparator$sort on <var_sorter:MPropDefSorter>*/
 }
 RET_LABEL:;
 }
-/* method model#MModule#flatten_mclass_hierarchy_cache for (self: MModule): nullable POSet[MClass] */
+/* method model$MModule$flatten_mclass_hierarchy_cache for (self: MModule): nullable POSet[MClass] */
 val* nitc__model___MModule___flatten_mclass_hierarchy_cache(val* self) {
 val* var /* : nullable POSet[MClass] */;
 val* var1 /* : nullable POSet[MClass] */;
@@ -492,29 +557,36 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#flatten_mclass_hierarchy_cache= for (self: MModule, nullable POSet[MClass]) */
+/* method model$MModule$flatten_mclass_hierarchy_cache= for (self: MModule, nullable POSet[MClass]) */
 void nitc__model___MModule___flatten_mclass_hierarchy_cache_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MModule___flatten_mclass_hierarchy_cache].val = p0; /* _flatten_mclass_hierarchy_cache on <self:MModule> */
 RET_LABEL:;
 }
-/* method model#MModule#object_type for (self: MModule): MClassType */
+/* method model$MModule$object_type for (self: MModule): MClassType */
 val* nitc__model___MModule___object_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___object_type].val != NULL; /* _object_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___object_type].val; /* _object_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _object_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 207);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 216);
 fatal_exit(1);
 }
 } else {
@@ -522,50 +594,64 @@ 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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___object_type].val = var7; /* _object_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___object_type].val = var11; /* _object_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#pointer_type for (self: MModule): MClassType */
+/* method model$MModule$pointer_type for (self: MModule): MClassType */
 val* nitc__model___MModule___pointer_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___pointer_type].val != NULL; /* _pointer_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___pointer_type].val; /* _pointer_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _pointer_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 210);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 219);
 fatal_exit(1);
 }
 } else {
@@ -573,50 +659,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Pointer";
-var5 = core__flat___NativeString___to_s_full(var4, 7l, 7l);
+var6 = (val*)(7l<<2|1);
+var7 = (val*)(7l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___pointer_type].val = var7; /* _pointer_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___pointer_type].val = var11; /* _pointer_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#bool_type for (self: MModule): MClassType */
+/* method model$MModule$bool_type for (self: MModule): MClassType */
 val* nitc__model___MModule___bool_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___bool_type].val != NULL; /* _bool_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___bool_type].val; /* _bool_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _bool_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 213);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 222);
 fatal_exit(1);
 }
 } else {
@@ -624,50 +724,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Bool";
-var5 = core__flat___NativeString___to_s_full(var4, 4l, 4l);
+var6 = (val*)(4l<<2|1);
+var7 = (val*)(4l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___bool_type].val = var7; /* _bool_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___bool_type].val = var11; /* _bool_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#int_type for (self: MModule): MClassType */
+/* method model$MModule$int_type for (self: MModule): MClassType */
 val* nitc__model___MModule___int_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___int_type].val != NULL; /* _int_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___int_type].val; /* _int_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _int_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 216);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 225);
 fatal_exit(1);
 }
 } else {
@@ -675,50 +789,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Int";
-var5 = core__flat___NativeString___to_s_full(var4, 3l, 3l);
+var6 = (val*)(3l<<2|1);
+var7 = (val*)(3l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___int_type].val = var7; /* _int_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___int_type].val = var11; /* _int_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#byte_type for (self: MModule): MClassType */
+/* method model$MModule$byte_type for (self: MModule): MClassType */
 val* nitc__model___MModule___byte_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___byte_type].val != NULL; /* _byte_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___byte_type].val; /* _byte_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _byte_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 219);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 228);
 fatal_exit(1);
 }
 } else {
@@ -726,50 +854,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Byte";
-var5 = core__flat___NativeString___to_s_full(var4, 4l, 4l);
+var6 = (val*)(4l<<2|1);
+var7 = (val*)(4l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___byte_type].val = var7; /* _byte_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___byte_type].val = var11; /* _byte_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#int8_type for (self: MModule): MClassType */
+/* method model$MModule$int8_type for (self: MModule): MClassType */
 val* nitc__model___MModule___int8_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___int8_type].val != NULL; /* _int8_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___int8_type].val; /* _int8_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _int8_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 222);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 231);
 fatal_exit(1);
 }
 } else {
@@ -777,50 +919,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Int8";
-var5 = core__flat___NativeString___to_s_full(var4, 4l, 4l);
+var6 = (val*)(4l<<2|1);
+var7 = (val*)(4l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___int8_type].val = var7; /* _int8_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___int8_type].val = var11; /* _int8_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#int16_type for (self: MModule): MClassType */
+/* method model$MModule$int16_type for (self: MModule): MClassType */
 val* nitc__model___MModule___int16_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___int16_type].val != NULL; /* _int16_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___int16_type].val; /* _int16_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _int16_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 225);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 234);
 fatal_exit(1);
 }
 } else {
@@ -828,50 +984,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Int16";
-var5 = core__flat___NativeString___to_s_full(var4, 5l, 5l);
+var6 = (val*)(5l<<2|1);
+var7 = (val*)(5l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___int16_type].val = var7; /* _int16_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___int16_type].val = var11; /* _int16_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#uint16_type for (self: MModule): MClassType */
+/* method model$MModule$uint16_type for (self: MModule): MClassType */
 val* nitc__model___MModule___uint16_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___uint16_type].val != NULL; /* _uint16_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___uint16_type].val; /* _uint16_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _uint16_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 228);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 237);
 fatal_exit(1);
 }
 } else {
@@ -879,50 +1049,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "UInt16";
-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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___uint16_type].val = var7; /* _uint16_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___uint16_type].val = var11; /* _uint16_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#int32_type for (self: MModule): MClassType */
+/* method model$MModule$int32_type for (self: MModule): MClassType */
 val* nitc__model___MModule___int32_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___int32_type].val != NULL; /* _int32_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___int32_type].val; /* _int32_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _int32_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 231);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 240);
 fatal_exit(1);
 }
 } else {
@@ -930,50 +1114,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Int32";
-var5 = core__flat___NativeString___to_s_full(var4, 5l, 5l);
+var6 = (val*)(5l<<2|1);
+var7 = (val*)(5l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___int32_type].val = var7; /* _int32_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___int32_type].val = var11; /* _int32_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#uint32_type for (self: MModule): MClassType */
+/* method model$MModule$uint32_type for (self: MModule): MClassType */
 val* nitc__model___MModule___uint32_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___uint32_type].val != NULL; /* _uint32_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___uint32_type].val; /* _uint32_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _uint32_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 234);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 243);
 fatal_exit(1);
 }
 } else {
@@ -981,50 +1179,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "UInt32";
-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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___uint32_type].val = var7; /* _uint32_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___uint32_type].val = var11; /* _uint32_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#char_type for (self: MModule): MClassType */
+/* method model$MModule$char_type for (self: MModule): MClassType */
 val* nitc__model___MModule___char_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___char_type].val != NULL; /* _char_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___char_type].val; /* _char_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _char_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 237);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 246);
 fatal_exit(1);
 }
 } else {
@@ -1032,50 +1244,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Char";
-var5 = core__flat___NativeString___to_s_full(var4, 4l, 4l);
+var6 = (val*)(4l<<2|1);
+var7 = (val*)(4l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___char_type].val = var7; /* _char_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___char_type].val = var11; /* _char_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#float_type for (self: MModule): MClassType */
+/* method model$MModule$float_type for (self: MModule): MClassType */
 val* nitc__model___MModule___float_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___float_type].val != NULL; /* _float_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___float_type].val; /* _float_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _float_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 240);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 249);
 fatal_exit(1);
 }
 } else {
@@ -1083,50 +1309,64 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Float";
-var5 = core__flat___NativeString___to_s_full(var4, 5l, 5l);
+var6 = (val*)(5l<<2|1);
+var7 = (val*)(5l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___float_type].val = var7; /* _float_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___float_type].val = var11; /* _float_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#string_type for (self: MModule): MClassType */
+/* method model$MModule$string_type for (self: MModule): MClassType */
 val* nitc__model___MModule___string_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MModule___string_type].val != NULL; /* _string_type on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___string_type].val; /* _string_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _string_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 243);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 252);
 fatal_exit(1);
 }
 } else {
@@ -1134,84 +1374,105 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "String";
-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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___string_type].val = var7; /* _string_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___string_type].val = var11; /* _string_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#native_string_type for (self: MModule): MClassType */
-val* nitc__model___MModule___native_string_type(val* self) {
+/* method model$MModule$c_string_type for (self: MModule): MClassType */
+val* nitc__model___MModule___c_string_type(val* self) {
 val* var /* : MClassType */;
 short int var1 /* : Bool */;
 val* var2 /* : MClassType */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
-val* var7 /* : MClassType */;
-val* var9 /* : MClassType */;
-var1 = self->attrs[COLOR_nitc__model__MModule___native_string_type].val != NULL; /* _native_string_type on <self:MModule> */
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
+val* var11 /* : MClassType */;
+val* var13 /* : MClassType */;
+var1 = self->attrs[COLOR_nitc__model__MModule___c_string_type].val != NULL; /* _c_string_type on <self:MModule> */
 if(likely(var1)) {
-var2 = self->attrs[COLOR_nitc__model__MModule___native_string_type].val; /* _native_string_type on <self:MModule> */
+var2 = self->attrs[COLOR_nitc__model__MModule___c_string_type].val; /* _c_string_type on <self:MModule> */
 if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _native_string_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 246);
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _c_string_type");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 255);
 fatal_exit(1);
 }
 } else {
 if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
-var4 = "NativeString";
-var5 = core__flat___NativeString___to_s_full(var4, 12l, 12l);
+var4 = "CString";
+var6 = (val*)(7l<<2|1);
+var7 = (val*)(7l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
 {
-{ /* Inline model#MClass#mclass_type (var6) on <var6:MClass> */
-var9 = var6->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var6:MClass> */
-if (unlikely(var9 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var10) on <var10:MClass> */
+var13 = var10->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var10:MClass> */
+if (unlikely(var13 == 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);
 }
-var7 = var9;
-RET_LABEL8:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
-self->attrs[COLOR_nitc__model__MModule___native_string_type].val = var7; /* _native_string_type on <self:MModule> */
-var2 = var7;
+self->attrs[COLOR_nitc__model__MModule___c_string_type].val = var11; /* _c_string_type on <self:MModule> */
+var2 = var11;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#array_type for (self: MModule, MType): MClassType */
+/* method model$MModule$array_type for (self: MModule, MType): MClassType */
 val* nitc__model___MModule___array_type(val* self, val* p0) {
 val* var /* : MClassType */;
 val* var_elt_type /* var elt_type: MType */;
@@ -1225,11 +1486,11 @@ var1 = nitc__model___MModule___array_class(self);
 }
 var2 = NEW_core__Array(&type_core__Array__nitc__MType);
 {
-core___core__Array___with_capacity(var2, 1l); /* Direct call array#Array#with_capacity on <var2:Array[MType]>*/
+core___core__Array___with_capacity(var2, 1l); /* Direct call array$Array$with_capacity on <var2:Array[MType]>*/
 }
 var_ = var2;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_elt_type); /* Direct call array#AbstractArray#push on <var_:Array[MType]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_elt_type); /* Direct call array$AbstractArray$push on <var_:Array[MType]>*/
 }
 {
 var3 = nitc___nitc__MClass___get_mtype(var1, var_);
@@ -1239,22 +1500,29 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#array_class for (self: MModule): MClass */
+/* method model$MModule$array_class for (self: MModule): MClass */
 val* nitc__model___MModule___array_class(val* self) {
 val* var /* : MClass */;
 short int var1 /* : Bool */;
 val* var2 /* : MClass */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
 var1 = self->attrs[COLOR_nitc__model__MModule___array_class].val != NULL; /* _array_class on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___array_class].val; /* _array_class on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _array_class");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 252);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 261);
 fatal_exit(1);
 }
 } else {
@@ -1262,21 +1530,25 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "Array";
-var5 = core__flat___NativeString___to_s_full(var4, 5l, 5l);
+var6 = (val*)(5l<<2|1);
+var7 = (val*)(5l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
-self->attrs[COLOR_nitc__model__MModule___array_class].val = var6; /* _array_class on <self:MModule> */
-var2 = var6;
+self->attrs[COLOR_nitc__model__MModule___array_class].val = var10; /* _array_class on <self:MModule> */
+var2 = var10;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#native_array_type for (self: MModule, MType): MClassType */
+/* method model$MModule$native_array_type for (self: MModule, MType): MClassType */
 val* nitc__model___MModule___native_array_type(val* self, val* p0) {
 val* var /* : MClassType */;
 val* var_elt_type /* var elt_type: MType */;
@@ -1290,11 +1562,11 @@ var1 = nitc__model___MModule___native_array_class(self);
 }
 var2 = NEW_core__Array(&type_core__Array__nitc__MType);
 {
-core___core__Array___with_capacity(var2, 1l); /* Direct call array#Array#with_capacity on <var2:Array[MType]>*/
+core___core__Array___with_capacity(var2, 1l); /* Direct call array$Array$with_capacity on <var2:Array[MType]>*/
 }
 var_ = var2;
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_elt_type); /* Direct call array#AbstractArray#push on <var_:Array[MType]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_elt_type); /* Direct call array$AbstractArray$push on <var_:Array[MType]>*/
 }
 {
 var3 = nitc___nitc__MClass___get_mtype(var1, var_);
@@ -1304,22 +1576,29 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#native_array_class for (self: MModule): MClass */
+/* method model$MModule$native_array_class for (self: MModule): MClass */
 val* nitc__model___MModule___native_array_class(val* self) {
 val* var /* : MClass */;
 short int var1 /* : Bool */;
 val* var2 /* : MClass */;
 static val* varonce;
 val* var3 /* : String */;
-char* var4 /* : NativeString */;
+char* var4 /* : CString */;
 val* var5 /* : String */;
-val* var6 /* : MClass */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : MClass */;
 var1 = self->attrs[COLOR_nitc__model__MModule___native_array_class].val != NULL; /* _native_array_class on <self:MModule> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MModule___native_array_class].val; /* _native_array_class on <self:MModule> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _native_array_class");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 258);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 267);
 fatal_exit(1);
 }
 } else {
@@ -1327,46 +1606,61 @@ if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = "NativeArray";
-var5 = core__flat___NativeString___to_s_full(var4, 11l, 11l);
+var6 = (val*)(11l<<2|1);
+var7 = (val*)(11l<<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__model___MModule___get_primitive_class(self, var3);
+var10 = nitc__model___MModule___get_primitive_class(self, var3);
 }
-self->attrs[COLOR_nitc__model__MModule___native_array_class].val = var6; /* _native_array_class on <self:MModule> */
-var2 = var6;
+self->attrs[COLOR_nitc__model__MModule___native_array_class].val = var10; /* _native_array_class on <self:MModule> */
+var2 = var10;
 }
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#sys_type for (self: MModule): nullable MClassType */
+/* method model$MModule$sys_type for (self: MModule): nullable MClassType */
 val* nitc__model___MModule___sys_type(val* self) {
 val* var /* : nullable MClassType */;
 val* var1 /* : Model */;
 val* var3 /* : Model */;
 static val* varonce;
 val* var4 /* : String */;
-char* var5 /* : NativeString */;
+char* var5 /* : CString */;
 val* var6 /* : String */;
-val* var7 /* : nullable Array[MClass] */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Int */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : nullable Bool */;
+val* var11 /* : nullable Array[MClass] */;
 val* var_clas /* var clas: nullable Array[MClass] */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-static val* varonce10;
-val* var11 /* : String */;
-char* var12 /* : NativeString */;
-val* var13 /* : String */;
-val* var14 /* : MClass */;
-val* var15 /* : MClassType */;
-val* var17 /* : MClassType */;
-{
-{ /* Inline mmodule#MModule#model (self) on <self:MModule> */
+short int var12 /* : Bool */;
+short int var13 /* : Bool */;
+static val* varonce14;
+val* var15 /* : String */;
+char* var16 /* : CString */;
+val* var17 /* : String */;
+val* var18 /* : nullable Int */;
+val* var19 /* : nullable Int */;
+val* var20 /* : nullable Bool */;
+val* var21 /* : nullable Bool */;
+val* var22 /* : MClass */;
+val* var23 /* : MClassType */;
+val* var25 /* : MClassType */;
+{
+{ /* Inline mmodule$MModule$model (self) on <self:MModule> */
 var3 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var1 = var3;
@@ -1377,82 +1671,104 @@ if (likely(varonce!=NULL)) {
 var4 = varonce;
 } else {
 var5 = "Sys";
-var6 = core__flat___NativeString___to_s_full(var5, 3l, 3l);
+var7 = (val*)(3l<<2|1);
+var8 = (val*)(3l<<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__model___Model___get_mclasses_by_name(var1, var4);
+var11 = nitc__model___Model___get_mclasses_by_name(var1, var4);
 }
-var_clas = var7;
+var_clas = var11;
 if (var_clas == 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) {
-var9 = core___core__Array___core__kernel__Object___61d_61d(var_clas, ((val*)NULL));
-var8 = var9;
+var13 = core___core__Array___core__kernel__Object___61d_61d(var_clas, ((val*)NULL));
+var12 = var13;
 }
-if (var8){
+if (var12){
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
-if (likely(varonce10!=NULL)) {
-var11 = varonce10;
+if (likely(varonce14!=NULL)) {
+var15 = varonce14;
 } else {
-var12 = "Sys";
-var13 = core__flat___NativeString___to_s_full(var12, 3l, 3l);
-var11 = var13;
-varonce10 = var11;
+var16 = "Sys";
+var18 = (val*)(3l<<2|1);
+var19 = (val*)(3l<<2|1);
+var20 = (val*)((long)(0)<<2|3);
+var21 = (val*)((long)(0)<<2|3);
+var17 = core__flat___CString___to_s_unsafe(var16, var18, var19, var20, var21);
+var15 = var17;
+varonce14 = var15;
 }
 {
-var14 = nitc__model___MModule___get_primitive_class(self, var11);
+var22 = nitc__model___MModule___get_primitive_class(self, var15);
 }
 {
-{ /* Inline model#MClass#mclass_type (var14) on <var14:MClass> */
-var17 = var14->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var14:MClass> */
-if (unlikely(var17 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var22) on <var22:MClass> */
+var25 = var22->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var22:MClass> */
+if (unlikely(var25 == 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);
 }
-var15 = var17;
-RET_LABEL16:(void)0;
+var23 = var25;
+RET_LABEL24:(void)0;
 }
 }
-var = var15;
+var = var23;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#finalizable_type for (self: MModule): nullable MClassType */
+/* method model$MModule$finalizable_type for (self: MModule): nullable MClassType */
 val* nitc__model___MModule___finalizable_type(val* self) {
 val* var /* : nullable MClassType */;
 val* var1 /* : Model */;
 val* var3 /* : Model */;
 static val* varonce;
 val* var4 /* : String */;
-char* var5 /* : NativeString */;
+char* var5 /* : CString */;
 val* var6 /* : String */;
-val* var7 /* : nullable Array[MClass] */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Int */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : nullable Bool */;
+val* var11 /* : nullable Array[MClass] */;
 val* var_clas /* var clas: nullable Array[MClass] */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-static val* varonce10;
-val* var11 /* : String */;
-char* var12 /* : NativeString */;
-val* var13 /* : String */;
-val* var14 /* : MClass */;
-val* var15 /* : MClassType */;
-val* var17 /* : MClassType */;
-{
-{ /* Inline mmodule#MModule#model (self) on <self:MModule> */
+short int var12 /* : Bool */;
+short int var13 /* : Bool */;
+static val* varonce14;
+val* var15 /* : String */;
+char* var16 /* : CString */;
+val* var17 /* : String */;
+val* var18 /* : nullable Int */;
+val* var19 /* : nullable Int */;
+val* var20 /* : nullable Bool */;
+val* var21 /* : nullable Bool */;
+val* var22 /* : MClass */;
+val* var23 /* : MClassType */;
+val* var25 /* : MClassType */;
+{
+{ /* Inline mmodule$MModule$model (self) on <self:MModule> */
 var3 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var1 = var3;
@@ -1463,57 +1779,68 @@ if (likely(varonce!=NULL)) {
 var4 = varonce;
 } else {
 var5 = "Finalizable";
-var6 = core__flat___NativeString___to_s_full(var5, 11l, 11l);
+var7 = (val*)(11l<<2|1);
+var8 = (val*)(11l<<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__model___Model___get_mclasses_by_name(var1, var4);
+var11 = nitc__model___Model___get_mclasses_by_name(var1, var4);
 }
-var_clas = var7;
+var_clas = var11;
 if (var_clas == 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) {
-var9 = core___core__Array___core__kernel__Object___61d_61d(var_clas, ((val*)NULL));
-var8 = var9;
+var13 = core___core__Array___core__kernel__Object___61d_61d(var_clas, ((val*)NULL));
+var12 = var13;
 }
-if (var8){
+if (var12){
 var = ((val*)NULL);
 goto RET_LABEL;
 } else {
 }
-if (likely(varonce10!=NULL)) {
-var11 = varonce10;
+if (likely(varonce14!=NULL)) {
+var15 = varonce14;
 } else {
-var12 = "Finalizable";
-var13 = core__flat___NativeString___to_s_full(var12, 11l, 11l);
-var11 = var13;
-varonce10 = var11;
+var16 = "Finalizable";
+var18 = (val*)(11l<<2|1);
+var19 = (val*)(11l<<2|1);
+var20 = (val*)((long)(0)<<2|3);
+var21 = (val*)((long)(0)<<2|3);
+var17 = core__flat___CString___to_s_unsafe(var16, var18, var19, var20, var21);
+var15 = var17;
+varonce14 = var15;
 }
 {
-var14 = nitc__model___MModule___get_primitive_class(self, var11);
+var22 = nitc__model___MModule___get_primitive_class(self, var15);
 }
 {
-{ /* Inline model#MClass#mclass_type (var14) on <var14:MClass> */
-var17 = var14->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var14:MClass> */
-if (unlikely(var17 == NULL)) {
+{ /* Inline model$MClass$mclass_type (var22) on <var22:MClass> */
+var25 = var22->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var22:MClass> */
+if (unlikely(var25 == 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);
 }
-var15 = var17;
-RET_LABEL16:(void)0;
+var23 = var25;
+RET_LABEL24:(void)0;
 }
 }
-var = var15;
+var = var23;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#get_primitive_class for (self: MModule, String): MClass */
+/* method model$MModule$get_primitive_class for (self: MModule, String): MClass */
 val* nitc__model___MModule___get_primitive_class(val* self, val* p0) {
 val* var /* : MClass */;
 val* var_name /* var name: String */;
@@ -1547,95 +1874,134 @@ short int var27 /* : Bool */;
 short int var28 /* : Bool */;
 static val* varonce;
 val* var29 /* : String */;
-char* var30 /* : NativeString */;
+char* var30 /* : CString */;
 val* var31 /* : String */;
-short int var32 /* : Bool */;
-short int var_33 /* var : Bool */;
-val* var34 /* : Model */;
-val* var36 /* : Model */;
-static val* varonce37;
-val* var38 /* : String */;
-char* var39 /* : NativeString */;
-val* var40 /* : String */;
-val* var41 /* : nullable Array[MClass] */;
-short int var42 /* : Bool */;
-short int var43 /* : Bool */;
-short int var45 /* : Bool */;
-short int var46 /* : Bool */;
-val* var47 /* : MClass */;
-val* var48 /* : Sys */;
-val* var49 /* : MClassKind */;
-val* var50 /* : Sys */;
-val* var51 /* : MVisibility */;
-val* var_c52 /* var c: MClass */;
-val* var53 /* : MClassDef */;
-val* var54 /* : MClassType */;
-val* var56 /* : MClassType */;
-val* var57 /* : Location */;
+val* var32 /* : nullable Int */;
+val* var33 /* : nullable Int */;
+val* var34 /* : nullable Bool */;
+val* var35 /* : nullable Bool */;
+short int var36 /* : Bool */;
+short int var_37 /* var : Bool */;
+val* var38 /* : Model */;
+val* var40 /* : Model */;
+static val* varonce41;
+val* var42 /* : String */;
+char* var43 /* : CString */;
+val* var44 /* : String */;
+val* var45 /* : nullable Int */;
+val* var46 /* : nullable Int */;
+val* var47 /* : nullable Bool */;
+val* var48 /* : nullable Bool */;
+val* var49 /* : nullable Array[MClass] */;
+short int var50 /* : Bool */;
+short int var51 /* : Bool */;
+short int var53 /* : Bool */;
+short int var54 /* : Bool */;
+val* var55 /* : Model */;
+val* var57 /* : Model */;
+val* var58 /* : Location */;
+val* var60 /* : Location */;
+val* var_loc /* var loc: Location */;
+val* var61 /* : MClass */;
+val* var62 /* : Sys */;
+val* var63 /* : MClassKind */;
+val* var64 /* : Sys */;
+val* var65 /* : MVisibility */;
+val* var_c66 /* var c: MClass */;
+val* var67 /* : MClassDef */;
+val* var68 /* : MClassType */;
+val* var70 /* : MClassType */;
 val* var_cladef /* var cladef: MClassDef */;
-val* var58 /* : Array[MClassType] */;
-val* var_59 /* var : Array[MClassType] */;
-val* var60 /* : MClassType */;
-val* var61 /* : Sys */;
-val* var63 /* : NativeArray[String] */;
-static val* varonce62;
-static val* varonce64;
-val* var65 /* : String */;
-char* var66 /* : NativeString */;
-val* var67 /* : String */;
-static val* varonce68;
-val* var69 /* : String */;
-char* var70 /* : NativeString */;
-val* var71 /* : String */;
-val* var72 /* : String */;
-val* var73 /* : String */;
+val* var71 /* : Array[MClassType] */;
+val* var_72 /* var : Array[MClassType] */;
+val* var73 /* : MClassType */;
 val* var74 /* : Sys */;
-long var76 /* : Int */;
-long var78 /* : Int */;
-short int var79 /* : Bool */;
-short int var81 /* : Bool */;
-short int var82 /* : Bool */;
-val* var84 /* : NativeArray[String] */;
-static val* varonce83;
+val* var76 /* : NativeArray[String] */;
+static val* varonce75;
+static val* varonce77;
+val* var78 /* : String */;
+char* var79 /* : CString */;
+val* var80 /* : String */;
+val* var81 /* : nullable Int */;
+val* var82 /* : nullable Int */;
+val* var83 /* : nullable Bool */;
+val* var84 /* : nullable Bool */;
 static val* varonce85;
 val* var86 /* : String */;
-char* var87 /* : NativeString */;
+char* var87 /* : CString */;
 val* var88 /* : String */;
-static val* varonce89;
-val* var90 /* : String */;
-char* var91 /* : NativeString */;
-val* var92 /* : String */;
-static val* varonce93;
+val* var89 /* : nullable Int */;
+val* var90 /* : nullable Int */;
+val* var91 /* : nullable Bool */;
+val* var92 /* : nullable Bool */;
+val* var93 /* : String */;
 val* var94 /* : String */;
-char* var95 /* : NativeString */;
-val* var96 /* : String */;
-val* var97 /* : String */;
-val* var98 /* : String */;
-val* var_msg /* var msg: String */;
-val* var_99 /* var : Array[MClass] */;
-val* var100 /* : IndexedIterator[nullable Object] */;
-val* var_101 /* var : IndexedIterator[MClass] */;
+val* var95 /* : Sys */;
+long var97 /* : Int */;
+long var99 /* : Int */;
+short int var100 /* : Bool */;
 short int var102 /* : Bool */;
-val* var104 /* : nullable Object */;
-val* var_c105 /* var c: MClass */;
-val* var107 /* : NativeArray[String] */;
+short int var103 /* : Bool */;
+val* var105 /* : NativeArray[String] */;
+static val* varonce104;
 static val* varonce106;
-static val* varonce108;
+val* var107 /* : String */;
+char* var108 /* : CString */;
 val* var109 /* : String */;
-char* var110 /* : NativeString */;
-val* var111 /* : String */;
-val* var112 /* : String */;
-val* var113 /* : String */;
-val* var114 /* : String */;
-val* var115 /* : Sys */;
-val* var116 /* : nullable Object */;
+val* var110 /* : nullable Int */;
+val* var111 /* : nullable Int */;
+val* var112 /* : nullable Bool */;
+val* var113 /* : nullable Bool */;
+static val* varonce114;
+val* var115 /* : String */;
+char* var116 /* : CString */;
+val* var117 /* : String */;
+val* var118 /* : nullable Int */;
+val* var119 /* : nullable Int */;
+val* var120 /* : nullable Bool */;
+val* var121 /* : nullable Bool */;
+static val* varonce122;
+val* var123 /* : String */;
+char* var124 /* : CString */;
+val* var125 /* : String */;
+val* var126 /* : nullable Int */;
+val* var127 /* : nullable Int */;
+val* var128 /* : nullable Bool */;
+val* var129 /* : nullable Bool */;
+val* var130 /* : String */;
+val* var131 /* : String */;
+val* var_msg /* var msg: String */;
+val* var_132 /* var : Array[MClass] */;
+val* var133 /* : IndexedIterator[nullable Object] */;
+val* var_134 /* var : IndexedIterator[MClass] */;
+short int var135 /* : Bool */;
+val* var137 /* : nullable Object */;
+val* var_c138 /* var c: MClass */;
+val* var140 /* : NativeArray[String] */;
+static val* varonce139;
+static val* varonce141;
+val* var142 /* : String */;
+char* var143 /* : CString */;
+val* var144 /* : String */;
+val* var145 /* : nullable Int */;
+val* var146 /* : nullable Int */;
+val* var147 /* : nullable Bool */;
+val* var148 /* : nullable Bool */;
+val* var149 /* : String */;
+val* var150 /* : String */;
+val* var151 /* : Text */;
+val* var152 /* : Sys */;
+val* var153 /* : nullable Object */;
 var_name = p0;
 {
-{ /* Inline mmodule#MModule#model (self) on <self:MModule> */
+{ /* Inline mmodule$MModule$model (self) on <self:MModule> */
 var3 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var1 = var3;
@@ -1652,7 +2018,7 @@ var5 = 0; /* is null */
 var5 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_cla,((val*)NULL)) on <var_cla:nullable Array[MClass]> */
+{ /* Inline kernel$Object$!= (var_cla,((val*)NULL)) on <var_cla:nullable Array[MClass]> */
 var_other = ((val*)NULL);
 {
 var8 = ((short int(*)(val* self, val* p0))(var_cla->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_cla, var_other); /* == on <var_cla:nullable Array[MClass](Array[MClass])>*/
@@ -1667,7 +2033,7 @@ var5 = var6;
 if (var5){
 var10 = NEW_core__Array(&type_core__Array__nitc__MClass);
 {
-core___core__Array___with_capacity(var10, 1l); /* Direct call array#Array#with_capacity on <var10:Array[MClass]>*/
+core___core__Array___with_capacity(var10, 1l); /* Direct call array$Array$with_capacity on <var10:Array[MClass]>*/
 }
 var_ = var10;
 var_11 = var_cla;
@@ -1688,11 +2054,14 @@ var15 = ((val*(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var
 }
 var_c = var15;
 {
-{ /* Inline mmodule#MModule#in_importation (self) on <self:MModule> */
+{ /* Inline mmodule$MModule$in_importation (self) on <self:MModule> */
 var18 = self->attrs[COLOR_nitc__mmodule__MModule___in_importation].val; /* _in_importation on <self:MModule> */
 if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _in_importation");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 104);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 108);
 fatal_exit(1);
 }
 var16 = var18;
@@ -1700,11 +2069,14 @@ RET_LABEL17:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var_c) on <var_c:MClass> */
+{ /* Inline model$MClass$intro_mmodule (var_c) on <var_c:MClass> */
 var21 = var_c->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var_c:MClass> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var19 = var21;
@@ -1716,7 +2088,7 @@ var22 = poset___poset__POSetElement____60d_61d(var16, var19);
 }
 if (var22){
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_c); /* Direct call array#AbstractArray#push on <var_:Array[MClass]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_c); /* Direct call array$AbstractArray$push on <var_:Array[MClass]>*/
 }
 } else {
 }
@@ -1754,331 +2126,387 @@ if (likely(varonce!=NULL)) {
 var29 = varonce;
 } else {
 var30 = "Bool";
-var31 = core__flat___NativeString___to_s_full(var30, 4l, 4l);
+var32 = (val*)(4l<<2|1);
+var33 = (val*)(4l<<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;
 varonce = var29;
 }
 {
-var32 = ((short int(*)(val* self, val* p0))(var_name->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_name, var29); /* == on <var_name:String>*/
+var36 = ((short int(*)(val* self, val* p0))(var_name->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_name, var29); /* == on <var_name:String>*/
 }
-var_33 = var32;
-if (var32){
+var_37 = var36;
+if (var36){
 {
-{ /* Inline mmodule#MModule#model (self) on <self:MModule> */
-var36 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
-if (unlikely(var36 == NULL)) {
+{ /* Inline mmodule$MModule$model (self) on <self:MModule> */
+var40 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
+if (unlikely(var40 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
-var34 = var36;
-RET_LABEL35:(void)0;
+var38 = var40;
+RET_LABEL39:(void)0;
 }
 }
-if (likely(varonce37!=NULL)) {
-var38 = varonce37;
+if (likely(varonce41!=NULL)) {
+var42 = varonce41;
 } else {
-var39 = "Object";
-var40 = core__flat___NativeString___to_s_full(var39, 6l, 6l);
-var38 = var40;
-varonce37 = var38;
+var43 = "Object";
+var45 = (val*)(6l<<2|1);
+var46 = (val*)(6l<<2|1);
+var47 = (val*)((long)(0)<<2|3);
+var48 = (val*)((long)(0)<<2|3);
+var44 = core__flat___CString___to_s_unsafe(var43, var45, var46, var47, var48);
+var42 = var44;
+varonce41 = var42;
 }
 {
-var41 = nitc__model___Model___get_mclasses_by_name(var34, var38);
+var49 = nitc__model___Model___get_mclasses_by_name(var38, var42);
 }
-if (var41 == NULL) {
-var42 = 0; /* is null */
+if (var49 == NULL) {
+var50 = 0; /* is null */
 } else {
-var42 = 1; /* arg is null and recv is not */
+var50 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var41,((val*)NULL)) on <var41:nullable Array[MClass]> */
+{ /* Inline kernel$Object$!= (var49,((val*)NULL)) on <var49:nullable Array[MClass]> */
 var_other = ((val*)NULL);
 {
-var45 = ((short int(*)(val* self, val* p0))(var41->class->vft[COLOR_core__kernel__Object___61d_61d]))(var41, var_other); /* == on <var41:nullable Array[MClass](Array[MClass])>*/
+var53 = ((short int(*)(val* self, val* p0))(var49->class->vft[COLOR_core__kernel__Object___61d_61d]))(var49, var_other); /* == on <var49:nullable Array[MClass](Array[MClass])>*/
 }
-var46 = !var45;
-var43 = var46;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
+var54 = !var53;
+var51 = var54;
+goto RET_LABEL52;
+RET_LABEL52:(void)0;
 }
-var42 = var43;
+var50 = var51;
 }
-var28 = var42;
+var28 = var50;
 } else {
-var28 = var_33;
+var28 = var_37;
 }
 if (var28){
-var47 = NEW_nitc__MClass(&type_nitc__MClass);
-var48 = glob_sys;
 {
-var49 = nitc__model___core__Sys___enum_kind(var48);
+{ /* Inline mmodule$MModule$model (self) on <self:MModule> */
+var57 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
+if (unlikely(var57 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-var50 = glob_sys;
-{
-var51 = nitc__model_base___core__Sys___public_visibility(var50);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
+fatal_exit(1);
 }
-{
-((void(*)(val* self, val* p0))(var47->class->vft[COLOR_nitc__model__MClass__intro_mmodule_61d]))(var47, self); /* intro_mmodule= on <var47:MClass>*/
+var55 = var57;
+RET_LABEL56:(void)0;
 }
-{
-((void(*)(val* self, val* p0))(var47->class->vft[COLOR_nitc__model__MClass__name_61d]))(var47, var_name); /* name= on <var47:MClass>*/
 }
 {
-((void(*)(val* self, val* p0))(var47->class->vft[COLOR_nitc__model__MClass__setup_parameter_names]))(var47, ((val*)NULL)); /* setup_parameter_names on <var47:MClass>*/
+{ /* Inline model_base$Model$no_location (var55) on <var55:Model> */
+var60 = var55->attrs[COLOR_nitc__model_base__Model___no_location].val; /* _no_location on <var55:Model> */
+if (unlikely(var60 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-{
-((void(*)(val* self, val* p0))(var47->class->vft[COLOR_nitc__model__MClass__kind_61d]))(var47, var49); /* kind= on <var47:MClass>*/
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _no_location");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model_base, 28);
+fatal_exit(1);
 }
-{
-((void(*)(val* self, val* p0))(var47->class->vft[COLOR_nitc__model__MClass__visibility_61d]))(var47, var51); /* visibility= on <var47:MClass>*/
+var58 = var60;
+RET_LABEL59:(void)0;
 }
+}
+var_loc = var58;
+var61 = NEW_nitc__MClass(&type_nitc__MClass);
+var62 = glob_sys;
 {
-((void(*)(val* self))(var47->class->vft[COLOR_core__kernel__Object__init]))(var47); /* init on <var47:MClass>*/
+var63 = nitc__model___core__Sys___enum_kind(var62);
 }
-var_c52 = var47;
-var53 = NEW_nitc__MClassDef(&type_nitc__MClassDef);
+var64 = glob_sys;
 {
-{ /* Inline model#MClass#mclass_type (var_c52) on <var_c52:MClass> */
-var56 = var_c52->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_c52:MClass> */
-if (unlikely(var56 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 507);
-fatal_exit(1);
+var65 = nitc__model_base___core__Sys___public_visibility(var64);
 }
-var54 = var56;
-RET_LABEL55:(void)0;
+{
+((void(*)(val* self, val* p0))(var61->class->vft[COLOR_nitc__model__MClass__intro_mmodule_61d]))(var61, self); /* intro_mmodule= on <var61:MClass>*/
 }
+{
+((void(*)(val* self, val* p0))(var61->class->vft[COLOR_nitc__model__MClass__name_61d]))(var61, var_name); /* name= on <var61:MClass>*/
 }
-var57 = NEW_nitc__Location(&type_nitc__Location);
 {
-((void(*)(val* self, val* p0))(var57->class->vft[COLOR_nitc__location__Location__file_61d]))(var57, ((val*)NULL)); /* file= on <var57:Location>*/
+((void(*)(val* self, val* p0))(var61->class->vft[COLOR_nitc__model__MClass__location_61d]))(var61, var_loc); /* location= on <var61:MClass>*/
 }
 {
-((void(*)(val* self, long p0))(var57->class->vft[COLOR_nitc__location__Location__line_start_61d]))(var57, 0l); /* line_start= on <var57:Location>*/
+((void(*)(val* self, val* p0))(var61->class->vft[COLOR_nitc__model__MClass__setup_parameter_names]))(var61, ((val*)NULL)); /* setup_parameter_names on <var61:MClass>*/
 }
 {
-((void(*)(val* self, long p0))(var57->class->vft[COLOR_nitc__location__Location__line_end_61d]))(var57, 0l); /* line_end= on <var57:Location>*/
+((void(*)(val* self, val* p0))(var61->class->vft[COLOR_nitc__model__MClass__kind_61d]))(var61, var63); /* kind= on <var61:MClass>*/
 }
 {
-((void(*)(val* self, long p0))(var57->class->vft[COLOR_nitc__location__Location__column_start_61d]))(var57, 0l); /* column_start= on <var57:Location>*/
+((void(*)(val* self, val* p0))(var61->class->vft[COLOR_nitc__model__MClass__visibility_61d]))(var61, var65); /* visibility= on <var61:MClass>*/
 }
 {
-((void(*)(val* self, long p0))(var57->class->vft[COLOR_nitc__location__Location__column_end_61d]))(var57, 0l); /* column_end= on <var57:Location>*/
+((void(*)(val* self))(var61->class->vft[COLOR_core__kernel__Object__init]))(var61); /* init on <var61:MClass>*/
 }
+var_c66 = var61;
+var67 = NEW_nitc__MClassDef(&type_nitc__MClassDef);
 {
-((void(*)(val* self))(var57->class->vft[COLOR_core__kernel__Object__init]))(var57); /* init on <var57:Location>*/
+{ /* Inline model$MClass$mclass_type (var_c66) on <var_c66:MClass> */
+var70 = var_c66->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_c66:MClass> */
+if (unlikely(var70 == 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, 520);
+fatal_exit(1);
+}
+var68 = var70;
+RET_LABEL69:(void)0;
+}
 }
 {
-((void(*)(val* self, val* p0))(var53->class->vft[COLOR_nitc__model__MClassDef__mmodule_61d]))(var53, self); /* mmodule= on <var53:MClassDef>*/
+((void(*)(val* self, val* p0))(var67->class->vft[COLOR_nitc__model__MClassDef__mmodule_61d]))(var67, self); /* mmodule= on <var67:MClassDef>*/
 }
 {
-((void(*)(val* self, val* p0))(var53->class->vft[COLOR_nitc__model__MClassDef__bound_mtype_61d]))(var53, var54); /* bound_mtype= on <var53:MClassDef>*/
+((void(*)(val* self, val* p0))(var67->class->vft[COLOR_nitc__model__MClassDef__bound_mtype_61d]))(var67, var68); /* bound_mtype= on <var67:MClassDef>*/
 }
 {
-((void(*)(val* self, val* p0))(var53->class->vft[COLOR_nitc__model__MClassDef__location_61d]))(var53, var57); /* location= on <var53:MClassDef>*/
+((void(*)(val* self, val* p0))(var67->class->vft[COLOR_nitc__model__MClassDef__location_61d]))(var67, var_loc); /* location= on <var67:MClassDef>*/
 }
 {
-((void(*)(val* self))(var53->class->vft[COLOR_core__kernel__Object__init]))(var53); /* init on <var53:MClassDef>*/
+((void(*)(val* self))(var67->class->vft[COLOR_core__kernel__Object__init]))(var67); /* init on <var67:MClassDef>*/
 }
-var_cladef = var53;
-var58 = NEW_core__Array(&type_core__Array__nitc__MClassType);
+var_cladef = var67;
+var71 = NEW_core__Array(&type_core__Array__nitc__MClassType);
 {
-core___core__Array___with_capacity(var58, 1l); /* Direct call array#Array#with_capacity on <var58:Array[MClassType]>*/
+core___core__Array___with_capacity(var71, 1l); /* Direct call array$Array$with_capacity on <var71:Array[MClassType]>*/
 }
-var_59 = var58;
+var_72 = var71;
 {
-var60 = nitc__model___MModule___object_type(self);
+var73 = nitc__model___MModule___object_type(self);
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_59, var60); /* Direct call array#AbstractArray#push on <var_59:Array[MClassType]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_72, var73); /* Direct call array$AbstractArray$push on <var_72:Array[MClassType]>*/
 }
 {
-nitc___nitc__MClassDef___set_supertypes(var_cladef, var_59); /* Direct call model#MClassDef#set_supertypes on <var_cladef:MClassDef>*/
+nitc___nitc__MClassDef___set_supertypes(var_cladef, var_72); /* Direct call model$MClassDef$set_supertypes on <var_cladef:MClassDef>*/
 }
 {
-nitc___nitc__MClassDef___add_in_hierarchy(var_cladef); /* Direct call model#MClassDef#add_in_hierarchy on <var_cladef:MClassDef>*/
+nitc___nitc__MClassDef___add_in_hierarchy(var_cladef); /* Direct call model$MClassDef$add_in_hierarchy on <var_cladef:MClassDef>*/
 }
-var = var_c52;
+var = var_c66;
 goto RET_LABEL;
 } else {
 }
-var61 = glob_sys;
-if (unlikely(varonce62==NULL)) {
-var63 = NEW_core__NativeArray(4l, &type_core__NativeArray__core__String);
-if (likely(varonce64!=NULL)) {
-var65 = varonce64;
-} else {
-var66 = "Fatal Error: no primitive class ";
-var67 = core__flat___NativeString___to_s_full(var66, 32l, 32l);
-var65 = var67;
-varonce64 = var65;
+var74 = glob_sys;
+if (unlikely(varonce75==NULL)) {
+var76 = NEW_core__NativeArray((int)4l, &type_core__NativeArray__core__String);
+if (likely(varonce77!=NULL)) {
+var78 = varonce77;
+} else {
+var79 = "Fatal Error: no primitive class ";
+var81 = (val*)(32l<<2|1);
+var82 = (val*)(32l<<2|1);
+var83 = (val*)((long)(0)<<2|3);
+var84 = (val*)((long)(0)<<2|3);
+var80 = core__flat___CString___to_s_unsafe(var79, var81, var82, var83, var84);
+var78 = var80;
+varonce77 = var78;
 }
-((struct instance_core__NativeArray*)var63)->values[0]=var65;
-if (likely(varonce68!=NULL)) {
-var69 = varonce68;
+((struct instance_core__NativeArray*)var76)->values[0]=var78;
+if (likely(varonce85!=NULL)) {
+var86 = varonce85;
 } else {
-var70 = " in ";
-var71 = core__flat___NativeString___to_s_full(var70, 4l, 4l);
-var69 = var71;
-varonce68 = var69;
+var87 = " in ";
+var89 = (val*)(4l<<2|1);
+var90 = (val*)(4l<<2|1);
+var91 = (val*)((long)(0)<<2|3);
+var92 = (val*)((long)(0)<<2|3);
+var88 = core__flat___CString___to_s_unsafe(var87, var89, var90, var91, var92);
+var86 = var88;
+varonce85 = var86;
 }
-((struct instance_core__NativeArray*)var63)->values[2]=var69;
+((struct instance_core__NativeArray*)var76)->values[2]=var86;
 } else {
-var63 = varonce62;
-varonce62 = NULL;
+var76 = varonce75;
+varonce75 = NULL;
 }
-((struct instance_core__NativeArray*)var63)->values[1]=var_name;
+((struct instance_core__NativeArray*)var76)->values[1]=var_name;
 {
-var72 = ((val*(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Object__to_s]))(self); /* to_s on <self:MModule>*/
+var93 = ((val*(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Object__to_s]))(self); /* to_s on <self:MModule>*/
 }
-((struct instance_core__NativeArray*)var63)->values[3]=var72;
+((struct instance_core__NativeArray*)var76)->values[3]=var93;
 {
-var73 = ((val*(*)(val* self))(var63->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var63); /* native_to_s on <var63:NativeArray[String]>*/
+var94 = ((val*(*)(val* self))(var76->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var76); /* native_to_s on <var76:NativeArray[String]>*/
 }
-varonce62 = var63;
+varonce75 = var76;
 {
-core__file___Sys___print(var61, var73); /* Direct call file#Sys#print on <var61:Sys>*/
+core__file___Sys___print_error(var74, var94); /* Direct call file$Sys$print_error on <var74:Sys>*/
 }
-var74 = glob_sys;
+var95 = glob_sys;
 {
-{ /* Inline kernel#Sys#exit (var74,1l) on <var74:Sys> */
-exit(1l);
-RET_LABEL75:(void)0;
+{ /* Inline kernel$Sys$exit (var95,1l) on <var95:Sys> */
+exit((int)1l);
+RET_LABEL96:(void)0;
+}
 }
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
 PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 296);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 306);
 fatal_exit(1);
 } else {
 }
 {
-{ /* Inline array#AbstractArrayRead#length (var_cla) on <var_cla:nullable Array[MClass](Array[MClass])> */
-var78 = var_cla->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_cla:nullable Array[MClass](Array[MClass])> */
-var76 = var78;
-RET_LABEL77:(void)0;
+{ /* Inline array$AbstractArrayRead$length (var_cla) on <var_cla:nullable Array[MClass](Array[MClass])> */
+var99 = var_cla->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_cla:nullable Array[MClass](Array[MClass])> */
+var97 = var99;
+RET_LABEL98:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#!= (var76,1l) on <var76:Int> */
-var81 = var76 == 1l;
-var82 = !var81;
-var79 = var82;
-goto RET_LABEL80;
-RET_LABEL80:(void)0;
+{ /* Inline kernel$Int$!= (var97,1l) on <var97:Int> */
+var102 = var97 == 1l;
+var103 = !var102;
+var100 = var103;
+goto RET_LABEL101;
+RET_LABEL101:(void)0;
 }
 }
-if (var79){
-if (unlikely(varonce83==NULL)) {
-var84 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce85!=NULL)) {
-var86 = varonce85;
+if (var100){
+if (unlikely(varonce104==NULL)) {
+var105 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce106!=NULL)) {
+var107 = varonce106;
 } else {
-var87 = "Fatal Error: more than one primitive class ";
-var88 = core__flat___NativeString___to_s_full(var87, 43l, 43l);
-var86 = var88;
-varonce85 = var86;
+var108 = "Fatal Error: more than one primitive class ";
+var110 = (val*)(43l<<2|1);
+var111 = (val*)(43l<<2|1);
+var112 = (val*)((long)(0)<<2|3);
+var113 = (val*)((long)(0)<<2|3);
+var109 = core__flat___CString___to_s_unsafe(var108, var110, var111, var112, var113);
+var107 = var109;
+varonce106 = var107;
 }
-((struct instance_core__NativeArray*)var84)->values[0]=var86;
-if (likely(varonce89!=NULL)) {
-var90 = varonce89;
+((struct instance_core__NativeArray*)var105)->values[0]=var107;
+if (likely(varonce114!=NULL)) {
+var115 = varonce114;
 } else {
-var91 = " in ";
-var92 = core__flat___NativeString___to_s_full(var91, 4l, 4l);
-var90 = var92;
-varonce89 = var90;
+var116 = " in ";
+var118 = (val*)(4l<<2|1);
+var119 = (val*)(4l<<2|1);
+var120 = (val*)((long)(0)<<2|3);
+var121 = (val*)((long)(0)<<2|3);
+var117 = core__flat___CString___to_s_unsafe(var116, var118, var119, var120, var121);
+var115 = var117;
+varonce114 = var115;
 }
-((struct instance_core__NativeArray*)var84)->values[2]=var90;
-if (likely(varonce93!=NULL)) {
-var94 = varonce93;
+((struct instance_core__NativeArray*)var105)->values[2]=var115;
+if (likely(varonce122!=NULL)) {
+var123 = varonce122;
 } else {
-var95 = ":";
-var96 = core__flat___NativeString___to_s_full(var95, 1l, 1l);
-var94 = var96;
-varonce93 = var94;
+var124 = ":";
+var126 = (val*)(1l<<2|1);
+var127 = (val*)(1l<<2|1);
+var128 = (val*)((long)(0)<<2|3);
+var129 = (val*)((long)(0)<<2|3);
+var125 = core__flat___CString___to_s_unsafe(var124, var126, var127, var128, var129);
+var123 = var125;
+varonce122 = var123;
 }
-((struct instance_core__NativeArray*)var84)->values[4]=var94;
+((struct instance_core__NativeArray*)var105)->values[4]=var123;
 } else {
-var84 = varonce83;
-varonce83 = NULL;
+var105 = varonce104;
+varonce104 = NULL;
 }
-((struct instance_core__NativeArray*)var84)->values[1]=var_name;
+((struct instance_core__NativeArray*)var105)->values[1]=var_name;
 {
-var97 = ((val*(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Object__to_s]))(self); /* to_s on <self:MModule>*/
+var130 = ((val*(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Object__to_s]))(self); /* to_s on <self:MModule>*/
 }
-((struct instance_core__NativeArray*)var84)->values[3]=var97;
+((struct instance_core__NativeArray*)var105)->values[3]=var130;
 {
-var98 = ((val*(*)(val* self))(var84->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var84); /* native_to_s on <var84:NativeArray[String]>*/
+var131 = ((val*(*)(val* self))(var105->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var105); /* native_to_s on <var105:NativeArray[String]>*/
 }
-varonce83 = var84;
-var_msg = var98;
-var_99 = var_cla;
+varonce104 = var105;
+var_msg = var131;
+var_132 = var_cla;
 {
-var100 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_99);
+var133 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_132);
 }
-var_101 = var100;
+var_134 = var133;
 for(;;) {
 {
-var102 = ((short int(*)(val* self))((((long)var_101&3)?class_info[((long)var_101&3)]:var_101->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_101); /* is_ok on <var_101:IndexedIterator[MClass]>*/
+var135 = ((short int(*)(val* self))((((long)var_134&3)?class_info[((long)var_134&3)]:var_134->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_134); /* is_ok on <var_134:IndexedIterator[MClass]>*/
 }
-if (var102){
+if (var135){
 } else {
-goto BREAK_label103;
+goto BREAK_label136;
 }
 {
-var104 = ((val*(*)(val* self))((((long)var_101&3)?class_info[((long)var_101&3)]:var_101->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_101); /* item on <var_101:IndexedIterator[MClass]>*/
+var137 = ((val*(*)(val* self))((((long)var_134&3)?class_info[((long)var_134&3)]:var_134->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_134); /* item on <var_134:IndexedIterator[MClass]>*/
 }
-var_c105 = var104;
-if (unlikely(varonce106==NULL)) {
-var107 = NEW_core__NativeArray(2l, &type_core__NativeArray__core__String);
-if (likely(varonce108!=NULL)) {
-var109 = varonce108;
+var_c138 = var137;
+if (unlikely(varonce139==NULL)) {
+var140 = NEW_core__NativeArray((int)2l, &type_core__NativeArray__core__String);
+if (likely(varonce141!=NULL)) {
+var142 = varonce141;
 } else {
-var110 = " ";
-var111 = core__flat___NativeString___to_s_full(var110, 1l, 1l);
-var109 = var111;
-varonce108 = var109;
+var143 = " ";
+var145 = (val*)(1l<<2|1);
+var146 = (val*)(1l<<2|1);
+var147 = (val*)((long)(0)<<2|3);
+var148 = (val*)((long)(0)<<2|3);
+var144 = core__flat___CString___to_s_unsafe(var143, var145, var146, var147, var148);
+var142 = var144;
+varonce141 = var142;
 }
-((struct instance_core__NativeArray*)var107)->values[0]=var109;
+((struct instance_core__NativeArray*)var140)->values[0]=var142;
 } else {
-var107 = varonce106;
-varonce106 = NULL;
+var140 = varonce139;
+varonce139 = NULL;
 }
 {
-var112 = nitc___nitc__MClass___nitc__model_base__MEntity__full_name(var_c105);
+var149 = nitc___nitc__MClass___nitc__model_base__MEntity__full_name(var_c138);
 }
-((struct instance_core__NativeArray*)var107)->values[1]=var112;
+((struct instance_core__NativeArray*)var140)->values[1]=var149;
 {
-var113 = ((val*(*)(val* self))(var107->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var107); /* native_to_s on <var107:NativeArray[String]>*/
+var150 = ((val*(*)(val* self))(var140->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var140); /* native_to_s on <var140:NativeArray[String]>*/
 }
-varonce106 = var107;
+varonce139 = var140;
 {
-var114 = ((val*(*)(val* self, val* p0))(var_msg->class->vft[COLOR_core__abstract_text__String___43d]))(var_msg, var113); /* + on <var_msg:String>*/
+var151 = ((val*(*)(val* self, val* p0))(var_msg->class->vft[COLOR_core__abstract_text__Text___43d]))(var_msg, var150); /* + on <var_msg:String>*/
 }
-var_msg = var114;
+var_msg = var151;
 {
-((void(*)(val* self))((((long)var_101&3)?class_info[((long)var_101&3)]:var_101->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_101); /* next on <var_101:IndexedIterator[MClass]>*/
+((void(*)(val* self))((((long)var_134&3)?class_info[((long)var_134&3)]:var_134->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_134); /* next on <var_134:IndexedIterator[MClass]>*/
 }
 }
-BREAK_label103: (void)0;
+BREAK_label136: (void)0;
 {
-((void(*)(val* self))((((long)var_101&3)?class_info[((long)var_101&3)]:var_101->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_101); /* finish on <var_101:IndexedIterator[MClass]>*/
+((void(*)(val* self))((((long)var_134&3)?class_info[((long)var_134&3)]:var_134->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_134); /* finish on <var_134:IndexedIterator[MClass]>*/
 }
-var115 = glob_sys;
+var152 = glob_sys;
 {
-core__file___Sys___print(var115, var_msg); /* Direct call file#Sys#print on <var115:Sys>*/
+core__file___Sys___print_error(var152, var_msg); /* Direct call file$Sys$print_error on <var152:Sys>*/
 }
 } else {
 }
 {
-var116 = core___core__SequenceRead___Collection__first(var_cla);
+var153 = core___core__SequenceRead___Collection__first(var_cla);
 }
-var = var116;
+var = var153;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MModule#try_get_primitive_method for (self: MModule, String, MClass): nullable MMethod */
+/* method model$MModule$try_get_primitive_method for (self: MModule, String, MClass): nullable MMethod */
 val* nitc__model___MModule___try_get_primitive_method(val* self, val* p0, val* p1) {
 val* var /* : nullable MMethod */;
 val* var_name /* var name: String */;
@@ -2120,27 +2548,42 @@ val* var33 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce34;
 val* var35 /* : String */;
-char* var36 /* : NativeString */;
+char* var36 /* : CString */;
 val* var37 /* : String */;
-static val* varonce38;
-val* var39 /* : String */;
-char* var40 /* : NativeString */;
-val* var41 /* : String */;
+val* var38 /* : nullable Int */;
+val* var39 /* : nullable Int */;
+val* var40 /* : nullable Bool */;
+val* var41 /* : nullable Bool */;
 static val* varonce42;
 val* var43 /* : String */;
-char* var44 /* : NativeString */;
+char* var44 /* : CString */;
 val* var45 /* : String */;
-val* var46 /* : String */;
-val* var47 /* : String */;
-val* var48 /* : String */;
+val* var46 /* : nullable Int */;
+val* var47 /* : nullable Int */;
+val* var48 /* : nullable Bool */;
+val* var49 /* : nullable Bool */;
+static val* varonce50;
+val* var51 /* : String */;
+char* var52 /* : CString */;
+val* var53 /* : String */;
+val* var54 /* : nullable Int */;
+val* var55 /* : nullable Int */;
+val* var56 /* : nullable Bool */;
+val* var57 /* : nullable Bool */;
+val* var58 /* : String */;
+val* var59 /* : String */;
+val* var60 /* : String */;
 var_name = p0;
 var_recv = p1;
 {
-{ /* Inline mmodule#MModule#model (self) on <self:MModule> */
+{ /* Inline mmodule$MModule$model (self) on <self:MModule> */
 var3 = self->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <self:MModule> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var1 = var3;
@@ -2167,11 +2610,14 @@ goto RET_LABEL;
 }
 var_res = ((val*)NULL);
 {
-{ /* Inline model#MClass#intro (var_recv) on <var_recv:MClass> */
+{ /* Inline model$MClass$intro (var_recv) on <var_recv:MClass> */
 var9 = var_recv->attrs[COLOR_nitc__model__MClass___intro].val; /* _intro on <var_recv:MClass> */
 if (unlikely(var9 == 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, 483);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 496);
 fatal_exit(1);
 }
 var7 = var9;
@@ -2179,11 +2625,14 @@ RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#bound_mtype (var7) on <var7:MClassDef> */
+{ /* Inline model$MClassDef$bound_mtype (var7) on <var7:MClassDef> */
 var12 = var7->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <var7:MClassDef> */
 if (unlikely(var12 == 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);
 }
 var10 = var12;
@@ -2217,8 +2666,11 @@ var17 = 0;
 var17 = var_mprop->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var17)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 315);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 325);
 fatal_exit(1);
 }
 {
@@ -2235,10 +2687,10 @@ var21 = 1; /* is null */
 var21 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_res,((val*)NULL)) on <var_res:nullable MMethod> */
+{ /* Inline kernel$Object$== (var_res,((val*)NULL)) on <var_res:nullable MMethod> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_res,var_other) on <var_res:nullable MMethod(MMethod)> */
+{ /* Inline kernel$Object$is_same_instance (var_res,var_other) on <var_res:nullable MMethod(MMethod)> */
 var26 = var_res == var_other;
 var24 = var26;
 goto RET_LABEL25;
@@ -2255,7 +2707,7 @@ if (var21){
 var_res = var_mprop;
 } else {
 {
-{ /* Inline kernel#Object#!= (var_res,var_mprop) on <var_res:nullable MMethod(MMethod)> */
+{ /* Inline kernel$Object$!= (var_res,var_mprop) on <var_res:nullable MMethod(MMethod)> */
 var_other29 = var_mprop;
 {
 var30 = ((short int(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_res, var_other29); /* == on <var_res:nullable MMethod(MMethod)>*/
@@ -2269,56 +2721,71 @@ RET_LABEL28:(void)0;
 if (var27){
 var32 = glob_sys;
 if (unlikely(varonce==NULL)) {
-var33 = NEW_core__NativeArray(6l, &type_core__NativeArray__core__String);
+var33 = NEW_core__NativeArray((int)6l, &type_core__NativeArray__core__String);
 if (likely(varonce34!=NULL)) {
 var35 = varonce34;
 } else {
 var36 = "Fatal Error: ambigous property name \'";
-var37 = core__flat___NativeString___to_s_full(var36, 37l, 37l);
+var38 = (val*)(37l<<2|1);
+var39 = (val*)(37l<<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*)var33)->values[0]=var35;
-if (likely(varonce38!=NULL)) {
-var39 = varonce38;
-} else {
-var40 = "\'; conflict between ";
-var41 = core__flat___NativeString___to_s_full(var40, 20l, 20l);
-var39 = var41;
-varonce38 = var39;
-}
-((struct instance_core__NativeArray*)var33)->values[2]=var39;
 if (likely(varonce42!=NULL)) {
 var43 = varonce42;
 } else {
-var44 = " and ";
-var45 = core__flat___NativeString___to_s_full(var44, 5l, 5l);
+var44 = "\'; conflict between ";
+var46 = (val*)(20l<<2|1);
+var47 = (val*)(20l<<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[4]=var43;
+((struct instance_core__NativeArray*)var33)->values[2]=var43;
+if (likely(varonce50!=NULL)) {
+var51 = varonce50;
+} else {
+var52 = " and ";
+var54 = (val*)(5l<<2|1);
+var55 = (val*)(5l<<2|1);
+var56 = (val*)((long)(0)<<2|3);
+var57 = (val*)((long)(0)<<2|3);
+var53 = core__flat___CString___to_s_unsafe(var52, var54, var55, var56, var57);
+var51 = var53;
+varonce50 = var51;
+}
+((struct instance_core__NativeArray*)var33)->values[4]=var51;
 } else {
 var33 = varonce;
 varonce = NULL;
 }
 ((struct instance_core__NativeArray*)var33)->values[1]=var_name;
 {
-var46 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mprop);
+var58 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_mprop);
 }
-((struct instance_core__NativeArray*)var33)->values[3]=var46;
+((struct instance_core__NativeArray*)var33)->values[3]=var58;
 {
-var47 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_res);
+var59 = nitc___nitc__MProperty___nitc__model_base__MEntity__full_name(var_res);
 }
-((struct instance_core__NativeArray*)var33)->values[5]=var47;
+((struct instance_core__NativeArray*)var33)->values[5]=var59;
 {
-var48 = ((val*(*)(val* self))(var33->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var33); /* native_to_s on <var33:NativeArray[String]>*/
+var60 = ((val*(*)(val* self))(var33->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var33); /* native_to_s on <var33:NativeArray[String]>*/
 }
 varonce = var33;
 {
-core__file___Sys___print(var32, var48); /* Direct call file#Sys#print on <var32:Sys>*/
+core__file___Sys___print_error(var32, var60); /* Direct call file$Sys$print_error on <var32:Sys>*/
+}
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
 PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 321);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 331);
 fatal_exit(1);
 } else {
 }
@@ -2337,26 +2804,29 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDefSorter#mmodule for (self: MClassDefSorter): MModule */
+/* method model$MClassDefSorter$mmodule for (self: MClassDefSorter): MModule */
 val* nitc__model___nitc__model__MClassDefSorter___mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__model__MClassDefSorter___mmodule].val; /* _mmodule on <self:MClassDefSorter> */
 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__model, 331);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 341);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDefSorter#mmodule= for (self: MClassDefSorter, MModule) */
+/* method model$MClassDefSorter$mmodule= for (self: MClassDefSorter, MModule) */
 void nitc__model___nitc__model__MClassDefSorter___mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDefSorter___mmodule].val = p0; /* _mmodule on <self:MClassDefSorter> */
 RET_LABEL:;
 }
-/* method model#MClassDefSorter#compare for (self: MClassDefSorter, MClassDef, MClassDef): Int */
+/* method model$MClassDefSorter$compare for (self: MClassDefSorter, MClassDef, MClassDef): Int */
 long nitc__model___nitc__model__MClassDefSorter___core__sorter__Comparator__compare(val* self, val* p0, val* p1) {
 long var /* : Int */;
 short int var1 /* : Bool */;
@@ -2405,7 +2875,7 @@ var1 = p0->type->type_table[cltype] == idtype;
 if (unlikely(!var1)) {
 var_class_name = p0 == NULL ? "null" : p0->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 332);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 342);
 fatal_exit(1);
 }
 /* Covariant cast for argument 1 (b) <p1:MClassDef> isa COMPARED */
@@ -2421,17 +2891,20 @@ var2 = p1->type->type_table[cltype3] == idtype4;
 if (unlikely(!var2)) {
 var_class_name6 = p1 == NULL ? "null" : p1->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name6);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 332);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 342);
 fatal_exit(1);
 }
 var_a = p0;
 var_b = p1;
 {
-{ /* Inline model#MClassDef#mclass (var_a) on <var_a:MClassDef> */
+{ /* Inline model$MClassDef$mclass (var_a) on <var_a:MClassDef> */
 var9 = var_a->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <var_a:MClassDef> */
 if (unlikely(var9 == 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);
 }
 var7 = var9;
@@ -2440,11 +2913,14 @@ RET_LABEL8:(void)0;
 }
 var_ca = var7;
 {
-{ /* Inline model#MClassDef#mclass (var_b) on <var_b:MClassDef> */
+{ /* Inline model$MClassDef$mclass (var_b) on <var_b:MClassDef> */
 var12 = var_b->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <var_b:MClassDef> */
 if (unlikely(var12 == 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);
 }
 var10 = var12;
@@ -2453,7 +2929,7 @@ RET_LABEL11:(void)0;
 }
 var_cb = var10;
 {
-{ /* Inline kernel#Object#!= (var_ca,var_cb) on <var_ca:MClass> */
+{ /* Inline kernel$Object$!= (var_ca,var_cb) on <var_ca:MClass> */
 var_other = var_cb;
 {
 var15 = ((short int(*)(val* self, val* p0))(var_ca->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_ca, var_other); /* == on <var_ca:MClass>*/
@@ -2466,11 +2942,14 @@ RET_LABEL14:(void)0;
 }
 if (var13){
 {
-{ /* Inline model#MClassDefSorter#mmodule (self) on <self:MClassDefSorter> */
+{ /* Inline model$MClassDefSorter$mmodule (self) on <self:MClassDefSorter> */
 var19 = self->attrs[COLOR_nitc__model__MClassDefSorter___mmodule].val; /* _mmodule on <self:MClassDefSorter> */
 if (unlikely(var19 == 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, 331);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 341);
 fatal_exit(1);
 }
 var17 = var19;
@@ -2488,11 +2967,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MClassDefSorter#mmodule (self) on <self:MClassDefSorter> */
+{ /* Inline model$MClassDefSorter$mmodule (self) on <self:MClassDefSorter> */
 var24 = self->attrs[COLOR_nitc__model__MClassDefSorter___mmodule].val; /* _mmodule on <self:MClassDefSorter> */
 if (unlikely(var24 == 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, 331);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 341);
 fatal_exit(1);
 }
 var22 = var24;
@@ -2500,11 +2982,14 @@ RET_LABEL23:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var22) on <var22:MModule> */
+{ /* Inline mmodule$MModule$model (var22) on <var22:MModule> */
 var27 = var22->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var22:MModule> */
 if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var25 = var27;
@@ -2512,11 +2997,14 @@ RET_LABEL26:(void)0;
 }
 }
 {
-{ /* Inline model#Model#mclassdef_hierarchy (var25) on <var25:Model> */
+{ /* Inline model$Model$mclassdef_hierarchy (var25) on <var25:Model> */
 var30 = var25->attrs[COLOR_nitc__model__Model___mclassdef_hierarchy].val; /* _mclassdef_hierarchy on <var25:Model> */
 if (unlikely(var30 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 40);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 49);
 fatal_exit(1);
 }
 var28 = var30;
@@ -2531,33 +3019,36 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDefSorter#init for (self: MClassDefSorter) */
+/* method model$MClassDefSorter$init for (self: MClassDefSorter) */
 void nitc__model___nitc__model__MClassDefSorter___core__kernel__Object__init(val* self) {
 {
 ((void(*)(val* self))(self->class->vft[COLOR_nitc__model___nitc__model__MClassDefSorter___core__kernel__Object__init]))(self); /* init on <self:MClassDefSorter>*/
 }
 RET_LABEL:;
 }
-/* method model#MPropDefSorter#mmodule for (self: MPropDefSorter): MModule */
+/* method model$MPropDefSorter$mmodule for (self: MPropDefSorter): MModule */
 val* nitc__model___nitc__model__MPropDefSorter___mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__model__MPropDefSorter___mmodule].val; /* _mmodule on <self:MPropDefSorter> */
 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__model, 344);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 354);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MPropDefSorter#mmodule= for (self: MPropDefSorter, MModule) */
+/* method model$MPropDefSorter$mmodule= for (self: MPropDefSorter, MModule) */
 void nitc__model___nitc__model__MPropDefSorter___mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MPropDefSorter___mmodule].val = p0; /* _mmodule on <self:MPropDefSorter> */
 RET_LABEL:;
 }
-/* method model#MPropDefSorter#compare for (self: MPropDefSorter, MPropDef, MPropDef): Int */
+/* method model$MPropDefSorter$compare for (self: MPropDefSorter, MPropDef, MPropDef): Int */
 long nitc__model___nitc__model__MPropDefSorter___core__sorter__Comparator__compare(val* self, val* p0, val* p1) {
 long var /* : Int */;
 short int var1 /* : Bool */;
@@ -2612,7 +3103,7 @@ var1 = p0->type->type_table[cltype] == idtype;
 if (unlikely(!var1)) {
 var_class_name = p0 == NULL ? "null" : p0->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 345);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 355);
 fatal_exit(1);
 }
 /* Covariant cast for argument 1 (pb) <p1:MPropDef> isa COMPARED */
@@ -2628,17 +3119,20 @@ var2 = p1->type->type_table[cltype3] == idtype4;
 if (unlikely(!var2)) {
 var_class_name6 = p1 == NULL ? "null" : p1->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name6);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 345);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 355);
 fatal_exit(1);
 }
 var_pa = p0;
 var_pb = p1;
 {
-{ /* Inline model#MPropDef#mclassdef (var_pa) on <var_pa:MPropDef> */
+{ /* Inline model$MPropDef$mclassdef (var_pa) on <var_pa:MPropDef> */
 var9 = var_pa->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var_pa:MPropDef> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2227);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2354);
 fatal_exit(1);
 }
 var7 = var9;
@@ -2647,11 +3141,14 @@ RET_LABEL8:(void)0;
 }
 var_a = var7;
 {
-{ /* Inline model#MPropDef#mclassdef (var_pb) on <var_pb:MPropDef> */
+{ /* Inline model$MPropDef$mclassdef (var_pb) on <var_pb:MPropDef> */
 var12 = var_pb->attrs[COLOR_nitc__model__MPropDef___mclassdef].val; /* _mclassdef on <var_pb:MPropDef> */
 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;
@@ -2660,11 +3157,14 @@ RET_LABEL11:(void)0;
 }
 var_b = var10;
 {
-{ /* Inline model#MClassDef#mclass (var_a) on <var_a:MClassDef> */
+{ /* Inline model$MClassDef$mclass (var_a) on <var_a:MClassDef> */
 var15 = var_a->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <var_a:MClassDef> */
 if (unlikely(var15 == 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);
 }
 var13 = var15;
@@ -2673,11 +3173,14 @@ RET_LABEL14:(void)0;
 }
 var_ca = var13;
 {
-{ /* Inline model#MClassDef#mclass (var_b) on <var_b:MClassDef> */
+{ /* Inline model$MClassDef$mclass (var_b) on <var_b:MClassDef> */
 var18 = var_b->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <var_b:MClassDef> */
 if (unlikely(var18 == 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);
 }
 var16 = var18;
@@ -2686,7 +3189,7 @@ RET_LABEL17:(void)0;
 }
 var_cb = var16;
 {
-{ /* Inline kernel#Object#!= (var_ca,var_cb) on <var_ca:MClass> */
+{ /* Inline kernel$Object$!= (var_ca,var_cb) on <var_ca:MClass> */
 var_other = var_cb;
 {
 var21 = ((short int(*)(val* self, val* p0))(var_ca->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_ca, var_other); /* == on <var_ca:MClass>*/
@@ -2699,11 +3202,14 @@ RET_LABEL20:(void)0;
 }
 if (var19){
 {
-{ /* Inline model#MPropDefSorter#mmodule (self) on <self:MPropDefSorter> */
+{ /* Inline model$MPropDefSorter$mmodule (self) on <self:MPropDefSorter> */
 var25 = self->attrs[COLOR_nitc__model__MPropDefSorter___mmodule].val; /* _mmodule on <self:MPropDefSorter> */
 if (unlikely(var25 == 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, 344);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 354);
 fatal_exit(1);
 }
 var23 = var25;
@@ -2721,11 +3227,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MPropDefSorter#mmodule (self) on <self:MPropDefSorter> */
+{ /* Inline model$MPropDefSorter$mmodule (self) on <self:MPropDefSorter> */
 var30 = self->attrs[COLOR_nitc__model__MPropDefSorter___mmodule].val; /* _mmodule on <self:MPropDefSorter> */
 if (unlikely(var30 == 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, 344);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 354);
 fatal_exit(1);
 }
 var28 = var30;
@@ -2733,11 +3242,14 @@ RET_LABEL29:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var28) on <var28:MModule> */
+{ /* Inline mmodule$MModule$model (var28) on <var28:MModule> */
 var33 = var28->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var28:MModule> */
 if (unlikely(var33 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var31 = var33;
@@ -2745,11 +3257,14 @@ RET_LABEL32:(void)0;
 }
 }
 {
-{ /* Inline model#Model#mclassdef_hierarchy (var31) on <var31:Model> */
+{ /* Inline model$Model$mclassdef_hierarchy (var31) on <var31:Model> */
 var36 = var31->attrs[COLOR_nitc__model__Model___mclassdef_hierarchy].val; /* _mclassdef_hierarchy on <var31:Model> */
 if (unlikely(var36 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 40);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 49);
 fatal_exit(1);
 }
 var34 = var36;
@@ -2764,52 +3279,80 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MPropDefSorter#init for (self: MPropDefSorter) */
+/* method model$MPropDefSorter$init for (self: MPropDefSorter) */
 void nitc__model___nitc__model__MPropDefSorter___core__kernel__Object__init(val* self) {
 {
 ((void(*)(val* self))(self->class->vft[COLOR_nitc__model___nitc__model__MPropDefSorter___core__kernel__Object__init]))(self); /* init on <self:MPropDefSorter>*/
 }
 RET_LABEL:;
 }
-/* method model#MClass#intro_mmodule for (self: MClass): MModule */
+/* method model$MClass$intro_mmodule for (self: MClass): MModule */
 val* nitc___nitc__MClass___intro_mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#intro_mmodule= for (self: MClass, MModule) */
+/* method model$MClass$intro_mmodule= for (self: MClass, MModule) */
 void nitc___nitc__MClass___intro_mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val = p0; /* _intro_mmodule on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#name for (self: MClass): String */
+/* method model$MClass$name for (self: MClass): String */
 val* nitc___nitc__MClass___nitc__model_base__MEntity__name(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
 var1 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
 if (unlikely(var1 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#name= for (self: MClass, String) */
+/* method model$MClass$name= for (self: MClass, String) */
 void nitc___nitc__MClass___name_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___name].val = p0; /* _name on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#full_name for (self: MClass): String */
+/* method model$MClass$location for (self: MClass): Location */
+val* nitc___nitc__MClass___nitc__model_base__MEntity__location(val* self) {
+val* var /* : Location */;
+val* var1 /* : Location */;
+var1 = self->attrs[COLOR_nitc__model__MClass___location].val; /* _location on <self:MClass> */
+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__model, 400);
+fatal_exit(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method model$MClass$location= for (self: MClass, Location) */
+void nitc___nitc__MClass___location_61d(val* self, val* p0) {
+self->attrs[COLOR_nitc__model__MClass___location].val = p0; /* _location on <self:MClass> */
+RET_LABEL:;
+}
+/* method model$MClass$full_name for (self: MClass): String */
 val* nitc___nitc__MClass___nitc__model_base__MEntity__full_name(val* self) {
 val* var /* : String */;
 short int var1 /* : Bool */;
@@ -2819,33 +3362,44 @@ val* var5 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce6;
 val* var7 /* : String */;
-char* var8 /* : NativeString */;
+char* var8 /* : CString */;
 val* var9 /* : String */;
-val* var10 /* : MModule */;
-val* var12 /* : MModule */;
-val* var13 /* : MVisibility */;
-val* var15 /* : MVisibility */;
-val* var16 /* : String */;
-val* var17 /* : String */;
-val* var19 /* : String */;
+val* var10 /* : nullable Int */;
+val* var11 /* : nullable Int */;
+val* var12 /* : nullable Bool */;
+val* var13 /* : nullable Bool */;
+val* var14 /* : MModule */;
+val* var16 /* : MModule */;
+val* var17 /* : MVisibility */;
+val* var19 /* : MVisibility */;
 val* var20 /* : String */;
+val* var21 /* : String */;
+val* var23 /* : String */;
+val* var24 /* : String */;
 var1 = self->attrs[COLOR_nitc__model__MClass___full_name].val != NULL; /* _full_name on <self:MClass> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MClass___full_name].val; /* _full_name on <self:MClass> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _full_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 389);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 402);
 fatal_exit(1);
 }
 } else {
 {
 if (unlikely(varonce==NULL)) {
-var5 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
+var5 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
 if (likely(varonce6!=NULL)) {
 var7 = varonce6;
 } else {
 var8 = "::";
-var9 = core__flat___NativeString___to_s_full(var8, 2l, 2l);
+var10 = (val*)(2l<<2|1);
+var11 = (val*)(2l<<2|1);
+var12 = (val*)((long)(0)<<2|3);
+var13 = (val*)((long)(0)<<2|3);
+var9 = core__flat___CString___to_s_unsafe(var8, var10, var11, var12, var13);
 var7 = var9;
 varonce6 = var7;
 }
@@ -2855,51 +3409,60 @@ var5 = varonce;
 varonce = NULL;
 }
 {
-{ /* Inline model#MClass#intro_mmodule (self) on <self:MClass> */
-var12 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
-if (unlikely(var12 == NULL)) {
+{ /* Inline model$MClass$intro_mmodule (self) on <self:MClass> */
+var16 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
+if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
-var10 = var12;
-RET_LABEL11:(void)0;
+var14 = var16;
+RET_LABEL15:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#visibility (self) on <self:MClass> */
-var15 = self->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <self:MClass> */
-if (unlikely(var15 == NULL)) {
+{ /* Inline model$MClass$visibility (self) on <self:MClass> */
+var19 = self->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <self:MClass> */
+if (unlikely(var19 == 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, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
-var13 = var15;
-RET_LABEL14:(void)0;
+var17 = var19;
+RET_LABEL18:(void)0;
 }
 }
 {
-var16 = nitc___nitc__MModule___namespace_for(var10, var13);
+var20 = nitc___nitc__MModule___namespace_for(var14, var17);
 }
-((struct instance_core__NativeArray*)var5)->values[0]=var16;
+((struct instance_core__NativeArray*)var5)->values[0]=var20;
 {
-{ /* Inline model#MClass#name (self) on <self:MClass> */
-var19 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
-if (unlikely(var19 == NULL)) {
+{ /* Inline model$MClass$name (self) on <self:MClass> */
+var23 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
+if (unlikely(var23 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
-var17 = var19;
-RET_LABEL18:(void)0;
+var21 = var23;
+RET_LABEL22:(void)0;
 }
 }
-((struct instance_core__NativeArray*)var5)->values[2]=var17;
+((struct instance_core__NativeArray*)var5)->values[2]=var21;
 {
-var20 = ((val*(*)(val* self))(var5->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var5); /* native_to_s on <var5:NativeArray[String]>*/
+var24 = ((val*(*)(val* self))(var5->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var5); /* native_to_s on <var5:NativeArray[String]>*/
 }
 varonce = var5;
-var3 = var20;
+var3 = var24;
 goto RET_LABEL4;
 RET_LABEL4:(void)0;
 }
@@ -2910,7 +3473,7 @@ var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#c_name for (self: MClass): String */
+/* method model$MClass$c_name for (self: MClass): String */
 val* nitc___nitc__MClass___nitc__model_base__MEntity__c_name(val* self) {
 val* var /* : String */;
 short int var1 /* : Bool */;
@@ -2920,34 +3483,45 @@ val* var5 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce6;
 val* var7 /* : String */;
-char* var8 /* : NativeString */;
+char* var8 /* : CString */;
 val* var9 /* : String */;
-val* var10 /* : MModule */;
-val* var12 /* : MModule */;
-val* var13 /* : MVisibility */;
-val* var15 /* : MVisibility */;
-val* var16 /* : String */;
-val* var17 /* : String */;
-val* var19 /* : String */;
+val* var10 /* : nullable Int */;
+val* var11 /* : nullable Int */;
+val* var12 /* : nullable Bool */;
+val* var13 /* : nullable Bool */;
+val* var14 /* : MModule */;
+val* var16 /* : MModule */;
+val* var17 /* : MVisibility */;
+val* var19 /* : MVisibility */;
 val* var20 /* : String */;
 val* var21 /* : String */;
+val* var23 /* : String */;
+val* var24 /* : String */;
+val* var25 /* : String */;
 var1 = self->attrs[COLOR_nitc__model__MClass___c_name].val != NULL; /* _c_name on <self:MClass> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MClass___c_name].val; /* _c_name on <self:MClass> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _c_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 397);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 410);
 fatal_exit(1);
 }
 } else {
 {
 if (unlikely(varonce==NULL)) {
-var5 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
+var5 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
 if (likely(varonce6!=NULL)) {
 var7 = varonce6;
 } else {
 var8 = "__";
-var9 = core__flat___NativeString___to_s_full(var8, 2l, 2l);
+var10 = (val*)(2l<<2|1);
+var11 = (val*)(2l<<2|1);
+var12 = (val*)((long)(0)<<2|3);
+var13 = (val*)((long)(0)<<2|3);
+var9 = core__flat___CString___to_s_unsafe(var8, var10, var11, var12, var13);
 var7 = var9;
 varonce6 = var7;
 }
@@ -2957,54 +3531,63 @@ var5 = varonce;
 varonce = NULL;
 }
 {
-{ /* Inline model#MClass#intro_mmodule (self) on <self:MClass> */
-var12 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
-if (unlikely(var12 == NULL)) {
+{ /* Inline model$MClass$intro_mmodule (self) on <self:MClass> */
+var16 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
+if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
-var10 = var12;
-RET_LABEL11:(void)0;
+var14 = var16;
+RET_LABEL15:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#visibility (self) on <self:MClass> */
-var15 = self->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <self:MClass> */
-if (unlikely(var15 == NULL)) {
+{ /* Inline model$MClass$visibility (self) on <self:MClass> */
+var19 = self->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <self:MClass> */
+if (unlikely(var19 == 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, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
-var13 = var15;
-RET_LABEL14:(void)0;
+var17 = var19;
+RET_LABEL18:(void)0;
 }
 }
 {
-var16 = nitc___nitc__MModule___c_namespace_for(var10, var13);
+var20 = nitc___nitc__MModule___c_namespace_for(var14, var17);
 }
-((struct instance_core__NativeArray*)var5)->values[0]=var16;
+((struct instance_core__NativeArray*)var5)->values[0]=var20;
 {
-{ /* Inline model#MClass#name (self) on <self:MClass> */
-var19 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
-if (unlikely(var19 == NULL)) {
+{ /* Inline model$MClass$name (self) on <self:MClass> */
+var23 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
+if (unlikely(var23 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
-var17 = var19;
-RET_LABEL18:(void)0;
+var21 = var23;
+RET_LABEL22:(void)0;
 }
 }
 {
-var20 = core___core__Text___to_cmangle(var17);
+var24 = core___core__Text___to_cmangle(var21);
 }
-((struct instance_core__NativeArray*)var5)->values[2]=var20;
+((struct instance_core__NativeArray*)var5)->values[2]=var24;
 {
-var21 = ((val*(*)(val* self))(var5->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var5); /* native_to_s on <var5:NativeArray[String]>*/
+var25 = ((val*(*)(val* self))(var5->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var5); /* native_to_s on <var5:NativeArray[String]>*/
 }
 varonce = var5;
-var3 = var21;
+var3 = var25;
 goto RET_LABEL4;
 RET_LABEL4:(void)0;
 }
@@ -3015,7 +3598,7 @@ var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#arity for (self: MClass): Int */
+/* method model$MClass$arity for (self: MClass): Int */
 long nitc___nitc__MClass___arity(val* self) {
 long var /* : Int */;
 long var1 /* : Int */;
@@ -3024,31 +3607,34 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#arity= for (self: MClass, Int) */
+/* method model$MClass$arity= for (self: MClass, Int) */
 void nitc___nitc__MClass___arity_61d(val* self, long p0) {
 self->attrs[COLOR_nitc__model__MClass___arity].l = p0; /* _arity on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#mparameters for (self: MClass): Array[MParameterType] */
+/* method model$MClass$mparameters for (self: MClass): Array[MParameterType] */
 val* nitc___nitc__MClass___mparameters(val* self) {
 val* var /* : Array[MParameterType] */;
 val* var1 /* : Array[MParameterType] */;
 var1 = self->attrs[COLOR_nitc__model__MClass___mparameters].val; /* _mparameters on <self:MClass> */
 if (unlikely(var1 == 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, 405);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 418);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#mparameters= for (self: MClass, Array[MParameterType]) */
+/* method model$MClass$mparameters= for (self: MClass, Array[MParameterType]) */
 void nitc___nitc__MClass___mparameters_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___mparameters].val = p0; /* _mparameters on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#signature_to_s for (self: MClass): String */
+/* method model$MClass$signature_to_s for (self: MClass): String */
 val* nitc___nitc__MClass___signature_to_s(val* self) {
 val* var /* : String */;
 long var1 /* : Int */;
@@ -3063,59 +3649,75 @@ val* var12 /* : String */;
 val* var14 /* : String */;
 static val* varonce;
 val* var15 /* : String */;
-char* var16 /* : NativeString */;
+char* var16 /* : CString */;
 val* var17 /* : String */;
+val* var18 /* : nullable Int */;
+val* var19 /* : nullable Int */;
+val* var20 /* : nullable Bool */;
+val* var21 /* : nullable Bool */;
 long var_i /* var i: Int */;
-long var18 /* : Int */;
-long var20 /* : Int */;
+long var22 /* : Int */;
+long var24 /* : Int */;
 long var_ /* var : Int */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var27 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var24 /* : Bool */;
-short int var25 /* : Bool */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-const char* var_class_name30;
+short int var28 /* : Bool */;
+short int var29 /* : Bool */;
 short int var31 /* : Bool */;
-static val* varonce32;
-val* var33 /* : String */;
-char* var34 /* : NativeString */;
-val* var35 /* : String */;
-val* var36 /* : Array[MParameterType] */;
-val* var38 /* : Array[MParameterType] */;
-val* var39 /* : nullable Object */;
-val* var40 /* : String */;
-val* var42 /* : String */;
-static val* varonce43;
-val* var44 /* : String */;
-char* var45 /* : NativeString */;
-val* var46 /* : String */;
-val* var47 /* : MClassDef */;
-val* var49 /* : MClassDef */;
-val* var50 /* : MClassType */;
-val* var52 /* : MClassType */;
-val* var53 /* : Array[MType] */;
-val* var54 /* : nullable Object */;
-val* var55 /* : String */;
-long var56 /* : Int */;
-static val* varonce57;
-val* var58 /* : String */;
-char* var59 /* : NativeString */;
-val* var60 /* : String */;
-val* var61 /* : String */;
+int cltype32;
+int idtype33;
+const char* var_class_name34;
+short int var35 /* : 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 /* : Array[MParameterType] */;
+val* var46 /* : Array[MParameterType] */;
+val* var47 /* : nullable Object */;
+val* var48 /* : String */;
+val* var50 /* : String */;
+static val* varonce51;
+val* var52 /* : String */;
+char* var53 /* : CString */;
+val* var54 /* : String */;
+val* var55 /* : nullable Int */;
+val* var56 /* : nullable Int */;
+val* var57 /* : nullable Bool */;
+val* var58 /* : nullable Bool */;
+val* var59 /* : MClassDef */;
+val* var61 /* : MClassDef */;
+val* var62 /* : MClassType */;
+val* var64 /* : MClassType */;
+val* var65 /* : Array[MType] */;
+val* var66 /* : nullable Object */;
+val* var67 /* : String */;
+long var68 /* : Int */;
+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 */;
 {
-{ /* Inline model#MClass#arity (self) on <self:MClass> */
+{ /* Inline model$MClass$arity (self) on <self:MClass> */
 var3 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
 var1 = var3;
 RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var1,0l) on <var1:Int> */
+{ /* Inline kernel$Int$== (var1,0l) on <var1:Int> */
 var6 = var1 == 0l;
 var4 = var6;
 goto RET_LABEL5;
@@ -3124,11 +3726,14 @@ RET_LABEL5:(void)0;
 }
 if (var4){
 {
-{ /* Inline model#MClass#name (self) on <self:MClass> */
+{ /* Inline model$MClass$name (self) on <self:MClass> */
 var9 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
 if (unlikely(var9 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
 var7 = var9;
@@ -3141,7 +3746,7 @@ goto RET_LABEL;
 }
 var10 = NEW_core__FlatBuffer(&type_core__FlatBuffer);
 {
-{ /* Inline flat#FlatBuffer#init (var10) on <var10:FlatBuffer> */
+{ /* Inline flat$FlatBuffer$init (var10) on <var10:FlatBuffer> */
 {
 ((void(*)(val* self))(var10->class->vft[COLOR_core___core__FlatBuffer___core__kernel__Object__init]))(var10); /* init on <var10:FlatBuffer>*/
 }
@@ -3150,11 +3755,14 @@ RET_LABEL11:(void)0;
 }
 var_res = var10;
 {
-{ /* Inline model#MClass#name (self) on <self:MClass> */
+{ /* Inline model$MClass$name (self) on <self:MClass> */
 var14 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
 if (unlikely(var14 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
 var12 = var14;
@@ -3162,184 +3770,212 @@ RET_LABEL13:(void)0;
 }
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var12); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var12); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
 if (likely(varonce!=NULL)) {
 var15 = varonce;
 } else {
 var16 = "[";
-var17 = core__flat___NativeString___to_s_full(var16, 1l, 1l);
+var18 = (val*)(1l<<2|1);
+var19 = (val*)(1l<<2|1);
+var20 = (val*)((long)(0)<<2|3);
+var21 = (val*)((long)(0)<<2|3);
+var17 = core__flat___CString___to_s_unsafe(var16, var18, var19, var20, var21);
 var15 = var17;
 varonce = var15;
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var15); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var15); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
 var_i = 0l;
 {
-{ /* Inline model#MClass#arity (self) on <self:MClass> */
-var20 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
-var18 = var20;
-RET_LABEL19:(void)0;
-}
+{ /* Inline model$MClass$arity (self) on <self:MClass> */
+var24 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
+var22 = var24;
+RET_LABEL23:(void)0;
 }
-var_ = var18;
+}
+var_ = var22;
 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 */
-var23 = 1; /* easy <var_:Int> isa OTHER*/
-if (unlikely(!var23)) {
+var27 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var27)) {
 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);
 }
-var24 = var_i < var_;
-var21 = var24;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+var28 = var_i < var_;
+var25 = var28;
+goto RET_LABEL26;
+RET_LABEL26:(void)0;
 }
 }
-if (var21){
+if (var25){
 } else {
 goto BREAK_label;
 }
 {
-{ /* Inline kernel#Int#> (var_i,0l) on <var_i:Int> */
+{ /* Inline kernel$Int$> (var_i,0l) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
 /* <0l:Int> isa OTHER */
-var27 = 1; /* easy <0l:Int> isa OTHER*/
-if (unlikely(!var27)) {
-var_class_name30 = type_core__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name30);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 730);
+var31 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var31)) {
+var_class_name34 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name34);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
 fatal_exit(1);
 }
-var31 = var_i > 0l;
-var25 = var31;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
+var35 = var_i > 0l;
+var29 = var35;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
 }
 }
-if (var25){
-if (likely(varonce32!=NULL)) {
-var33 = varonce32;
-} else {
-var34 = ", ";
-var35 = core__flat___NativeString___to_s_full(var34, 2l, 2l);
-var33 = var35;
-varonce32 = var33;
+if (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;
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var33); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var37); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
 } else {
 }
 {
-{ /* Inline model#MClass#mparameters (self) on <self:MClass> */
-var38 = self->attrs[COLOR_nitc__model__MClass___mparameters].val; /* _mparameters on <self:MClass> */
-if (unlikely(var38 == NULL)) {
+{ /* Inline model$MClass$mparameters (self) on <self:MClass> */
+var46 = self->attrs[COLOR_nitc__model__MClass___mparameters].val; /* _mparameters on <self:MClass> */
+if (unlikely(var46 == 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, 405);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 418);
 fatal_exit(1);
 }
-var36 = var38;
-RET_LABEL37:(void)0;
+var44 = var46;
+RET_LABEL45:(void)0;
 }
 }
 {
-var39 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var36, var_i);
+var47 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var44, var_i);
 }
 {
-{ /* Inline model#MParameterType#name (var39) on <var39:nullable Object(MParameterType)> */
-var42 = var39->attrs[COLOR_nitc__model__MParameterType___name].val; /* _name on <var39:nullable Object(MParameterType)> */
-if (unlikely(var42 == NULL)) {
+{ /* Inline model$MParameterType$name (var47) on <var47:nullable Object(MParameterType)> */
+var50 = var47->attrs[COLOR_nitc__model__MParameterType___name].val; /* _name on <var47:nullable Object(MParameterType)> */
+if (unlikely(var50 == 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, 1507);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1570);
 fatal_exit(1);
 }
-var40 = var42;
-RET_LABEL41:(void)0;
+var48 = var50;
+RET_LABEL49:(void)0;
 }
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var40); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var48); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
-if (likely(varonce43!=NULL)) {
-var44 = varonce43;
+if (likely(varonce51!=NULL)) {
+var52 = varonce51;
 } else {
-var45 = ": ";
-var46 = core__flat___NativeString___to_s_full(var45, 2l, 2l);
-var44 = var46;
-varonce43 = var44;
+var53 = ": ";
+var55 = (val*)(2l<<2|1);
+var56 = (val*)(2l<<2|1);
+var57 = (val*)((long)(0)<<2|3);
+var58 = (val*)((long)(0)<<2|3);
+var54 = core__flat___CString___to_s_unsafe(var53, var55, var56, var57, var58);
+var52 = var54;
+varonce51 = var52;
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var44); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var52); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
 {
-{ /* Inline model#MClass#intro (self) on <self:MClass> */
-var49 = self->attrs[COLOR_nitc__model__MClass___intro].val; /* _intro on <self:MClass> */
-if (unlikely(var49 == NULL)) {
+{ /* Inline model$MClass$intro (self) on <self:MClass> */
+var61 = self->attrs[COLOR_nitc__model__MClass___intro].val; /* _intro on <self:MClass> */
+if (unlikely(var61 == 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, 483);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 496);
 fatal_exit(1);
 }
-var47 = var49;
-RET_LABEL48:(void)0;
+var59 = var61;
+RET_LABEL60:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#bound_mtype (var47) on <var47:MClassDef> */
-var52 = var47->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <var47:MClassDef> */
-if (unlikely(var52 == NULL)) {
+{ /* Inline model$MClassDef$bound_mtype (var59) on <var59:MClassDef> */
+var64 = var59->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <var59:MClassDef> */
+if (unlikely(var64 == 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);
 }
-var50 = var52;
-RET_LABEL51:(void)0;
+var62 = var64;
+RET_LABEL63:(void)0;
 }
 }
 {
-var53 = ((val*(*)(val* self))(var50->class->vft[COLOR_nitc__model__MClassType__arguments]))(var50); /* arguments on <var50:MClassType>*/
+var65 = ((val*(*)(val* self))(var62->class->vft[COLOR_nitc__model__MClassType__arguments]))(var62); /* arguments on <var62:MClassType>*/
 }
 {
-var54 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var53, var_i);
+var66 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var65, var_i);
 }
 {
-var55 = ((val*(*)(val* self))(var54->class->vft[COLOR_core__abstract_text__Object__to_s]))(var54); /* to_s on <var54:nullable Object(MType)>*/
+var67 = ((val*(*)(val* self))(var66->class->vft[COLOR_core__abstract_text__Object__to_s]))(var66); /* to_s on <var66:nullable Object(MType)>*/
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var55); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var67); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
 {
-var56 = core___core__Int___Discrete__successor(var_i, 1l);
+var68 = core___core__Int___Discrete__successor(var_i, 1l);
 }
-var_i = var56;
+var_i = var68;
 }
 BREAK_label: (void)0;
-if (likely(varonce57!=NULL)) {
-var58 = varonce57;
+if (likely(varonce69!=NULL)) {
+var70 = varonce69;
 } else {
-var59 = "]";
-var60 = core__flat___NativeString___to_s_full(var59, 1l, 1l);
-var58 = var60;
-varonce57 = var58;
+var71 = "]";
+var73 = (val*)(1l<<2|1);
+var74 = (val*)(1l<<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;
 }
 {
-core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var58); /* Direct call flat#FlatBuffer#append on <var_res:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_res, var70); /* Direct call flat$FlatBuffer$append on <var_res:FlatBuffer>*/
 }
 {
-var61 = core___core__FlatBuffer___core__abstract_text__Object__to_s(var_res);
+var77 = core___core__FlatBuffer___core__abstract_text__Object__to_s(var_res);
 }
-var = var61;
+var = var77;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#setup_parameter_names for (self: MClass, nullable Array[String]) */
+/* method model$MClass$setup_parameter_names for (self: MClass, nullable Array[String]) */
 void nitc___nitc__MClass___setup_parameter_names(val* self, val* p0) {
 val* var_parameter_names /* var parameter_names: nullable Array[String] */;
 short int var /* : Bool */;
@@ -3392,42 +4028,42 @@ var = var1;
 }
 if (var){
 {
-{ /* Inline model#MClass#arity= (self,0l) on <self:MClass> */
+{ /* Inline model$MClass$arity= (self,0l) on <self:MClass> */
 self->attrs[COLOR_nitc__model__MClass___arity].l = 0l; /* _arity on <self:MClass> */
 RET_LABEL2:(void)0;
 }
 }
 } else {
 {
-{ /* Inline array#AbstractArrayRead#length (var_parameter_names) on <var_parameter_names:nullable Array[String](Array[String])> */
+{ /* Inline array$AbstractArrayRead$length (var_parameter_names) on <var_parameter_names:nullable Array[String](Array[String])> */
 var5 = var_parameter_names->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_parameter_names:nullable Array[String](Array[String])> */
 var3 = var5;
 RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#arity= (self,var3) on <self:MClass> */
+{ /* Inline model$MClass$arity= (self,var3) on <self:MClass> */
 self->attrs[COLOR_nitc__model__MClass___arity].l = var3; /* _arity on <self:MClass> */
 RET_LABEL6:(void)0;
 }
 }
 }
 {
-{ /* Inline model#MClass#arity (self) on <self:MClass> */
+{ /* Inline model$MClass$arity (self) on <self:MClass> */
 var9 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
 var7 = var9;
 RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#> (var7,0l) on <var7:Int> */
+{ /* Inline kernel$Int$> (var7,0l) on <var7:Int> */
 /* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
 /* <0l:Int> isa OTHER */
 var12 = 1; /* easy <0l:Int> isa OTHER*/
 if (unlikely(!var12)) {
 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);
 }
 var13 = var7 > 0l;
@@ -3443,7 +4079,7 @@ var14 = 0; /* is null */
 var14 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_parameter_names,((val*)NULL)) on <var_parameter_names:nullable Array[String]> */
+{ /* Inline kernel$Object$!= (var_parameter_names,((val*)NULL)) on <var_parameter_names:nullable Array[String]> */
 var_other = ((val*)NULL);
 {
 var17 = ((short int(*)(val* self, val* p0))(var_parameter_names->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_parameter_names, var_other); /* == on <var_parameter_names:nullable Array[String](Array[String])>*/
@@ -3456,18 +4092,21 @@ RET_LABEL16:(void)0;
 var14 = var15;
 }
 if (unlikely(!var14)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 444);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 457);
 fatal_exit(1);
 }
 var19 = NEW_core__Array(&type_core__Array__nitc__MParameterType);
 {
-core___core__Array___core__kernel__Object__init(var19); /* Direct call array#Array#init on <var19:Array[MParameterType]>*/
+core___core__Array___core__kernel__Object__init(var19); /* Direct call array$Array$init on <var19:Array[MParameterType]>*/
 }
 var_mparametertypes = var19;
 var_i = 0l;
 {
-{ /* Inline model#MClass#arity (self) on <self:MClass> */
+{ /* Inline model$MClass$arity (self) on <self:MClass> */
 var22 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
 var20 = var22;
 RET_LABEL21:(void)0;
@@ -3476,14 +4115,14 @@ RET_LABEL21:(void)0;
 var_ = var20;
 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 */
 var25 = 1; /* easy <var_:Int> isa OTHER*/
 if (unlikely(!var25)) {
 var_class_name28 = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
 var29 = var_i < var_;
@@ -3514,7 +4153,7 @@ var31 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(v
 }
 var_mparametertype = var30;
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_mparametertypes, var_mparametertype); /* Direct call array#Array#add on <var_mparametertypes:Array[MParameterType]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_mparametertypes, var_mparametertype); /* Direct call array$Array$add on <var_mparametertypes:Array[MParameterType]>*/
 }
 {
 var32 = core___core__Int___Discrete__successor(var_i, 1l);
@@ -3523,7 +4162,7 @@ var_i = var32;
 }
 BREAK_label: (void)0;
 {
-{ /* Inline model#MClass#mparameters= (self,var_mparametertypes) on <self:MClass> */
+{ /* Inline model$MClass$mparameters= (self,var_mparametertypes) on <self:MClass> */
 self->attrs[COLOR_nitc__model__MClass___mparameters].val = var_mparametertypes; /* _mparameters on <self:MClass> */
 RET_LABEL33:(void)0;
 }
@@ -3540,17 +4179,20 @@ var34 = NEW_nitc__MGenericType(&type_nitc__MGenericType);
 }
 var_mclass_type = var34;
 {
-{ /* Inline model#MClass#mclass_type= (self,var_mclass_type) on <self:MClass> */
+{ /* Inline model$MClass$mclass_type= (self,var_mclass_type) on <self:MClass> */
 self->attrs[COLOR_nitc__model__MClass___mclass_type].val = var_mclass_type; /* _mclass_type on <self:MClass> */
 RET_LABEL35:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#get_mtype_cache (self) on <self:MClass> */
+{ /* Inline model$MClass$get_mtype_cache (self) on <self:MClass> */
 var38 = self->attrs[COLOR_nitc__model__MClass___get_mtype_cache].val; /* _get_mtype_cache on <self:MClass> */
 if (unlikely(var38 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _get_mtype_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 539);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 552);
 fatal_exit(1);
 }
 var36 = var38;
@@ -3558,7 +4200,7 @@ RET_LABEL37:(void)0;
 }
 }
 {
-core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var36, var_mparametertypes, var_mclass_type); /* Direct call hash_collection#HashMap#[]= on <var36:HashMap[Array[MType], MGenericType]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var36, var_mparametertypes, var_mclass_type); /* Direct call hash_collection$HashMap$[]= on <var36:HashMap[Array[MType], MGenericType]>*/
 }
 } else {
 var39 = NEW_nitc__MClassType(&type_nitc__MClassType);
@@ -3569,7 +4211,7 @@ var39 = NEW_nitc__MClassType(&type_nitc__MClassType);
 ((void(*)(val* self))(var39->class->vft[COLOR_core__kernel__Object__init]))(var39); /* init on <var39:MClassType>*/
 }
 {
-{ /* Inline model#MClass#mclass_type= (self,var39) on <self:MClass> */
+{ /* Inline model$MClass$mclass_type= (self,var39) on <self:MClass> */
 self->attrs[COLOR_nitc__model__MClass___mclass_type].val = var39; /* _mclass_type on <self:MClass> */
 RET_LABEL40:(void)0;
 }
@@ -3577,45 +4219,51 @@ RET_LABEL40:(void)0;
 }
 RET_LABEL:;
 }
-/* method model#MClass#kind for (self: MClass): MClassKind */
+/* method model$MClass$kind for (self: MClass): MClassKind */
 val* nitc___nitc__MClass___kind(val* self) {
 val* var /* : MClassKind */;
 val* var1 /* : MClassKind */;
 var1 = self->attrs[COLOR_nitc__model__MClass___kind].val; /* _kind on <self:MClass> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _kind");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 459);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 472);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#kind= for (self: MClass, MClassKind) */
+/* method model$MClass$kind= for (self: MClass, MClassKind) */
 void nitc___nitc__MClass___kind_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___kind].val = p0; /* _kind on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#visibility for (self: MClass): MVisibility */
-val* nitc___nitc__MClass___visibility(val* self) {
+/* method model$MClass$visibility for (self: MClass): MVisibility */
+val* nitc___nitc__MClass___MEntity__visibility(val* self) {
 val* var /* : MVisibility */;
 val* var1 /* : MVisibility */;
 var1 = self->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <self:MClass> */
 if (unlikely(var1 == 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, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#visibility= for (self: MClass, MVisibility) */
+/* method model$MClass$visibility= for (self: MClass, MVisibility) */
 void nitc___nitc__MClass___visibility_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___visibility].val = p0; /* _visibility on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#init for (self: MClass) */
+/* method model$MClass$init for (self: MClass) */
 void nitc___nitc__MClass___core__kernel__Object__init(val* self) {
 val* var /* : MModule */;
 val* var2 /* : MModule */;
@@ -3636,11 +4284,14 @@ val* var20 /* : Array[MClass] */;
 ((void(*)(val* self))(self->class->vft[COLOR_nitc___nitc__MClass___core__kernel__Object__init]))(self); /* init on <self:MClass>*/
 }
 {
-{ /* Inline model#MClass#intro_mmodule (self) on <self:MClass> */
+{ /* Inline model$MClass$intro_mmodule (self) on <self:MClass> */
 var2 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var = var2;
@@ -3648,11 +4299,14 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline model#MModule#intro_mclasses (var) on <var:MModule> */
+{ /* Inline model$MModule$intro_mclasses (var) on <var:MModule> */
 var5 = var->attrs[COLOR_nitc__model__MModule___intro_mclasses].val; /* _intro_mclasses on <var:MModule> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mclasses");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 138);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 147);
 fatal_exit(1);
 }
 var3 = var5;
@@ -3660,14 +4314,17 @@ RET_LABEL4:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var3, self); /* Direct call array#Array#add on <var3:Array[MClass]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var3, self); /* Direct call array$Array$add on <var3:Array[MClass]>*/
 }
 {
-{ /* Inline model#MClass#intro_mmodule (self) on <self:MClass> */
+{ /* Inline model$MClass$intro_mmodule (self) on <self:MClass> */
 var8 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
 if (unlikely(var8 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var6 = var8;
@@ -3675,11 +4332,14 @@ RET_LABEL7:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var6) on <var6:MModule> */
+{ /* Inline mmodule$MModule$model (var6) on <var6:MModule> */
 var11 = var6->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var6:MModule> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var9 = var11;
@@ -3688,11 +4348,14 @@ RET_LABEL10:(void)0;
 }
 var_model = var9;
 {
-{ /* Inline model#Model#mclasses_by_name (var_model) on <var_model:Model> */
+{ /* Inline model$Model$mclasses_by_name (var_model) on <var_model:Model> */
 var14 = var_model->attrs[COLOR_nitc__model__Model___mclasses_by_name].val; /* _mclasses_by_name on <var_model:Model> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclasses_by_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 66);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 75);
 fatal_exit(1);
 }
 var12 = var14;
@@ -3700,11 +4363,14 @@ RET_LABEL13:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#name (self) on <self:MClass> */
+{ /* Inline model$MClass$name (self) on <self:MClass> */
 var17 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
 if (unlikely(var17 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
 var15 = var17;
@@ -3712,14 +4378,17 @@ RET_LABEL16:(void)0;
 }
 }
 {
-more_collections___more_collections__MultiHashMap___add_one(var12, var15, self); /* Direct call more_collections#MultiHashMap#add_one on <var12:MultiHashMap[String, MClass]>*/
+more_collections___more_collections__MultiHashMap___add_one(var12, var15, self); /* Direct call more_collections$MultiHashMap$add_one on <var12:MultiHashMap[String, MClass]>*/
 }
 {
-{ /* Inline model#Model#mclasses (var_model) on <var_model:Model> */
+{ /* Inline model$Model$mclasses (var_model) on <var_model:Model> */
 var20 = var_model->attrs[COLOR_nitc__model__Model___mclasses].val; /* _mclasses on <var_model:Model> */
 if (unlikely(var20 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclasses");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 34);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 43);
 fatal_exit(1);
 }
 var18 = var20;
@@ -3727,11 +4396,11 @@ RET_LABEL19:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var18, self); /* Direct call array#Array#add on <var18:Array[MClass]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var18, self); /* Direct call array$Array$add on <var18:Array[MClass]>*/
 }
 RET_LABEL:;
 }
-/* method model#MClass#model for (self: MClass): Model */
+/* method model$MClass$model for (self: MClass): Model */
 val* nitc___nitc__MClass___nitc__model_base__MEntity__model(val* self) {
 val* var /* : Model */;
 val* var1 /* : MModule */;
@@ -3739,11 +4408,14 @@ val* var3 /* : MModule */;
 val* var4 /* : Model */;
 val* var6 /* : Model */;
 {
-{ /* Inline model#MClass#intro_mmodule (self) on <self:MClass> */
+{ /* Inline model$MClass$intro_mmodule (self) on <self:MClass> */
 var3 = self->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <self:MClass> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var1 = var3;
@@ -3751,11 +4423,14 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var1) on <var1:MModule> */
+{ /* Inline mmodule$MModule$model (var1) on <var1:MModule> */
 var6 = var1->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var1:MModule> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var4 = var6;
@@ -3767,31 +4442,37 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#mclassdefs for (self: MClass): Array[MClassDef] */
+/* method model$MClass$mclassdefs for (self: MClass): Array[MClassDef] */
 val* nitc___nitc__MClass___mclassdefs(val* self) {
 val* var /* : Array[MClassDef] */;
 val* var1 /* : Array[MClassDef] */;
 var1 = self->attrs[COLOR_nitc__model__MClass___mclassdefs].val; /* _mclassdefs on <self:MClass> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 477);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 490);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#to_s for (self: MClass): String */
+/* method model$MClass$to_s for (self: MClass): String */
 val* nitc___nitc__MClass___core__abstract_text__Object__to_s(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
 val* var3 /* : String */;
 {
-{ /* Inline model#MClass#name (self) on <self:MClass> */
+{ /* Inline model$MClass$name (self) on <self:MClass> */
 var3 = self->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <self:MClass> */
 if (unlikely(var3 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
 var1 = var3;
@@ -3803,26 +4484,29 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#intro for (self: MClass): MClassDef */
+/* method model$MClass$intro for (self: MClass): MClassDef */
 val* nitc___nitc__MClass___intro(val* self) {
 val* var /* : MClassDef */;
 val* var1 /* : MClassDef */;
 var1 = self->attrs[COLOR_nitc__model__MClass___intro].val; /* _intro on <self:MClass> */
 if (unlikely(var1 == 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, 483);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 496);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#intro= for (self: MClass, MClassDef) */
+/* method model$MClass$intro= for (self: MClass, MClassDef) */
 void nitc___nitc__MClass___intro_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___intro].val = p0; /* _intro on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#try_intro for (self: MClass): nullable MClassDef */
+/* method model$MClass$try_intro for (self: MClass): nullable MClassDef */
 val* nitc___nitc__MClass___try_intro(val* self) {
 val* var /* : nullable MClassDef */;
 short int var1 /* : Bool */;
@@ -3831,8 +4515,11 @@ var1 = self->attrs[COLOR_nitc__model__MClass___intro].val != NULL; /* _intro on
 if (var1){
 var2 = self->attrs[COLOR_nitc__model__MClass___intro].val; /* _intro on <self:MClass> */
 if (unlikely(var2 == 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, 495);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 508);
 fatal_exit(1);
 }
 var = var2;
@@ -3844,7 +4531,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#in_hierarchy for (self: MClass, MModule): POSetElement[MClass] */
+/* method model$MClass$in_hierarchy for (self: MClass, MModule): POSetElement[MClass] */
 val* nitc___nitc__MClass___in_hierarchy(val* self, val* p0) {
 val* var /* : POSetElement[MClass] */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -3862,26 +4549,29 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#mclass_type for (self: MClass): MClassType */
+/* method model$MClass$mclass_type for (self: MClass): MClassType */
 val* nitc___nitc__MClass___mclass_type(val* self) {
 val* var /* : MClassType */;
 val* var1 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <self:MClass> */
 if (unlikely(var1 == 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);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#mclass_type= for (self: MClass, MClassType) */
+/* method model$MClass$mclass_type= for (self: MClass, MClassType) */
 void nitc___nitc__MClass___mclass_type_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClass___mclass_type].val = p0; /* _mclass_type on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClass#get_mtype for (self: MClass, Array[MType]): MClassType */
+/* method model$MClass$get_mtype for (self: MClass, Array[MType]): MClassType */
 val* nitc___nitc__MClass___get_mtype(val* self, val* p0) {
 val* var /* : MClassType */;
 val* var_mtype_arguments /* var mtype_arguments: Array[MType] */;
@@ -3912,21 +4602,21 @@ val* var31 /* : HashMap[Array[MType], MGenericType] */;
 val* var32 /* : Array[nullable Object] */;
 var_mtype_arguments = p0;
 {
-{ /* Inline array#AbstractArrayRead#length (var_mtype_arguments) on <var_mtype_arguments:Array[MType]> */
+{ /* Inline array$AbstractArrayRead$length (var_mtype_arguments) on <var_mtype_arguments:Array[MType]> */
 var3 = var_mtype_arguments->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_mtype_arguments:Array[MType]> */
 var1 = var3;
 RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#arity (self) on <self:MClass> */
+{ /* Inline model$MClass$arity (self) on <self:MClass> */
 var6 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
 var4 = var6;
 RET_LABEL5:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var1,var4) on <var1:Int> */
+{ /* Inline kernel$Int$== (var1,var4) on <var1:Int> */
 var9 = var1 == var4;
 var7 = var9;
 goto RET_LABEL8;
@@ -3934,19 +4624,22 @@ RET_LABEL8:(void)0;
 }
 }
 if (unlikely(!var7)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 530);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 543);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClass#arity (self) on <self:MClass> */
+{ /* Inline model$MClass$arity (self) on <self:MClass> */
 var12 = self->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <self:MClass> */
 var10 = var12;
 RET_LABEL11:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var10,0l) on <var10:Int> */
+{ /* Inline kernel$Int$== (var10,0l) on <var10:Int> */
 var15 = var10 == 0l;
 var13 = var15;
 goto RET_LABEL14;
@@ -3955,11 +4648,14 @@ RET_LABEL14:(void)0;
 }
 if (var13){
 {
-{ /* Inline model#MClass#mclass_type (self) on <self:MClass> */
+{ /* Inline model$MClass$mclass_type (self) on <self:MClass> */
 var18 = self->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <self:MClass> */
 if (unlikely(var18 == 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);
 }
 var16 = var18;
@@ -3971,11 +4667,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MClass#get_mtype_cache (self) on <self:MClass> */
+{ /* Inline model$MClass$get_mtype_cache (self) on <self:MClass> */
 var21 = self->attrs[COLOR_nitc__model__MClass___get_mtype_cache].val; /* _get_mtype_cache on <self:MClass> */
 if (unlikely(var21 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _get_mtype_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 539);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 552);
 fatal_exit(1);
 }
 var19 = var21;
@@ -3992,7 +4691,7 @@ var23 = 0; /* is null */
 var23 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_res,((val*)NULL)) on <var_res:nullable MGenericType> */
+{ /* Inline kernel$Object$!= (var_res,((val*)NULL)) on <var_res:nullable MGenericType> */
 var_other = ((val*)NULL);
 {
 var26 = ((short int(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_res, var_other); /* == on <var_res:nullable MGenericType(MGenericType)>*/
@@ -4021,11 +4720,14 @@ var28 = NEW_nitc__MGenericType(&type_nitc__MGenericType);
 }
 var_res = var28;
 {
-{ /* Inline model#MClass#get_mtype_cache (self) on <self:MClass> */
+{ /* Inline model$MClass$get_mtype_cache (self) on <self:MClass> */
 var31 = self->attrs[COLOR_nitc__model__MClass___get_mtype_cache].val; /* _get_mtype_cache on <self:MClass> */
 if (unlikely(var31 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _get_mtype_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 539);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 552);
 fatal_exit(1);
 }
 var29 = var31;
@@ -4036,28 +4738,31 @@ RET_LABEL30:(void)0;
 var32 = core__array___Collection___to_a(var_mtype_arguments);
 }
 {
-core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var29, var32, var_res); /* Direct call hash_collection#HashMap#[]= on <var29:HashMap[Array[MType], MGenericType]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var29, var32, var_res); /* Direct call hash_collection$HashMap$[]= on <var29:HashMap[Array[MType], MGenericType]>*/
 }
 var = var_res;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#get_mtype_cache for (self: MClass): HashMap[Array[MType], MGenericType] */
+/* method model$MClass$get_mtype_cache for (self: MClass): HashMap[Array[MType], MGenericType] */
 val* nitc___nitc__MClass___get_mtype_cache(val* self) {
 val* var /* : HashMap[Array[MType], MGenericType] */;
 val* var1 /* : HashMap[Array[MType], MGenericType] */;
 var1 = self->attrs[COLOR_nitc__model__MClass___get_mtype_cache].val; /* _get_mtype_cache on <self:MClass> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _get_mtype_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 539);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 552);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#has_new_factory for (self: MClass): Bool */
+/* method model$MClass$has_new_factory for (self: MClass): Bool */
 short int nitc___nitc__MClass___has_new_factory(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -4066,107 +4771,164 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClass#has_new_factory= for (self: MClass, Bool) */
+/* method model$MClass$has_new_factory= for (self: MClass, Bool) */
 void nitc___nitc__MClass___has_new_factory_61d(val* self, short int p0) {
 self->attrs[COLOR_nitc__model__MClass___has_new_factory].s = p0; /* _has_new_factory on <self:MClass> */
 RET_LABEL:;
 }
-/* method model#MClassDef#mmodule for (self: MClassDef): MModule */
+/* method model$MClassDef$mmodule for (self: MClassDef): MModule */
 val* nitc___nitc__MClassDef___mmodule(val* self) {
 val* var /* : MModule */;
 val* var1 /* : MModule */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 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__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#mmodule= for (self: MClassDef, MModule) */
+/* method model$MClassDef$mmodule= for (self: MClassDef, MModule) */
 void nitc___nitc__MClassDef___mmodule_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDef___mmodule].val = p0; /* _mmodule on <self:MClassDef> */
 RET_LABEL:;
 }
-/* method model#MClassDef#mclass for (self: MClassDef): MClass */
+/* method model$MClassDef$mclass for (self: MClassDef): MClass */
 val* nitc___nitc__MClassDef___mclass(val* self) {
 val* var /* : MClass */;
 val* var1 /* : MClass */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var1 == 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);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#mclass= for (self: MClassDef, MClass) */
+/* method model$MClassDef$mclass= for (self: MClassDef, MClass) */
 void nitc___nitc__MClassDef___mclass_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDef___mclass].val = p0; /* _mclass on <self:MClassDef> */
 RET_LABEL:;
 }
-/* method model#MClassDef#bound_mtype for (self: MClassDef): MClassType */
+/* method model$MClassDef$bound_mtype for (self: MClassDef): MClassType */
 val* nitc___nitc__MClassDef___bound_mtype(val* self) {
 val* var /* : MClassType */;
 val* var1 /* : MClassType */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <self:MClassDef> */
 if (unlikely(var1 == 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);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#bound_mtype= for (self: MClassDef, MClassType) */
+/* method model$MClassDef$bound_mtype= for (self: MClassDef, MClassType) */
 void nitc___nitc__MClassDef___bound_mtype_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val = p0; /* _bound_mtype on <self:MClassDef> */
 RET_LABEL:;
 }
-/* method model#MClassDef#location for (self: MClassDef): Location */
-val* nitc___nitc__MClassDef___location(val* self) {
+/* method model$MClassDef$location for (self: MClassDef): Location */
+val* nitc___nitc__MClassDef___nitc__model_base__MEntity__location(val* self) {
 val* var /* : Location */;
 val* var1 /* : Location */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___location].val; /* _location on <self:MClassDef> */
 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__model, 591);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 606);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#location= for (self: MClassDef, Location) */
+/* method model$MClassDef$location= for (self: MClassDef, Location) */
 void nitc___nitc__MClassDef___location_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDef___location].val = p0; /* _location on <self:MClassDef> */
 RET_LABEL:;
 }
-/* method model#MClassDef#to_s for (self: MClassDef): String */
+/* method model$MClassDef$visibility for (self: MClassDef): MVisibility */
+val* nitc___nitc__MClassDef___MEntity__visibility(val* self) {
+val* var /* : MVisibility */;
+val* var1 /* : MClass */;
+val* var3 /* : MClass */;
+val* var4 /* : MVisibility */;
+val* var6 /* : MVisibility */;
+{
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var3 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var3 == 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, 591);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline model$MClass$visibility (var1) on <var1:MClass> */
+var6 = var1->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var1:MClass> */
+if (unlikely(var6 == 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, 476);
+fatal_exit(1);
+}
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+var = var4;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method model$MClassDef$to_s for (self: MClassDef): String */
 val* nitc___nitc__MClassDef___core__abstract_text__Object__to_s(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___to_s].val; /* _to_s on <self:MClassDef> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _to_s");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 594);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 610);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#to_s= for (self: MClassDef, String) */
+/* method model$MClassDef$to_s= for (self: MClassDef, String) */
 void nitc___nitc__MClassDef___to_s_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDef___to_s].val = p0; /* _to_s on <self:MClassDef> */
 RET_LABEL:;
 }
-/* method model#MClassDef#init for (self: MClassDef) */
+/* method model$MClassDef$init for (self: MClassDef) */
 void nitc___nitc__MClassDef___core__kernel__Object__init(val* self) {
 val* var /* : MClassType */;
 val* var2 /* : MClassType */;
@@ -4200,24 +4962,31 @@ val* var42 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce43;
 val* var44 /* : String */;
-char* var45 /* : NativeString */;
+char* var45 /* : CString */;
 val* var46 /* : String */;
-val* var47 /* : MModule */;
-val* var49 /* : MModule */;
-val* var50 /* : String */;
-val* var51 /* : MClass */;
-val* var53 /* : MClass */;
+val* var47 /* : nullable Int */;
+val* var48 /* : nullable Int */;
+val* var49 /* : nullable Bool */;
+val* var50 /* : nullable Bool */;
+val* var51 /* : MModule */;
+val* var53 /* : MModule */;
 val* var54 /* : String */;
-val* var55 /* : String */;
+val* var55 /* : MClass */;
+val* var57 /* : MClass */;
+val* var58 /* : String */;
+val* var59 /* : String */;
 {
 ((void(*)(val* self))(self->class->vft[COLOR_nitc___nitc__MClassDef___core__kernel__Object__init]))(self); /* init on <self:MClassDef>*/
 }
 {
-{ /* Inline model#MClassDef#bound_mtype (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$bound_mtype (self) on <self:MClassDef> */
 var2 = self->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <self:MClassDef> */
 if (unlikely(var2 == 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);
 }
 var = var2;
@@ -4225,11 +4994,14 @@ RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline model#MClassType#mclass (var) on <var:MClassType> */
+{ /* Inline model$MClassType$mclass (var) on <var:MClassType> */
 var5 = var->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var:MClassType> */
 if (unlikely(var5 == 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, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var3 = var5;
@@ -4237,17 +5009,20 @@ RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mclass= (self,var3) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass= (self,var3) on <self:MClassDef> */
 self->attrs[COLOR_nitc__model__MClassDef___mclass].val = var3; /* _mclass on <self:MClassDef> */
 RET_LABEL6:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
 var9 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 if (unlikely(var9 == 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);
 }
 var7 = var9;
@@ -4255,11 +5030,14 @@ RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline model#MModule#mclassdefs (var7) on <var7:MModule> */
+{ /* Inline model$MModule$mclassdefs (var7) on <var7:MModule> */
 var12 = var7->attrs[COLOR_nitc__model__MModule___mclassdefs].val; /* _mclassdefs on <var7:MModule> */
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 141);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 150);
 fatal_exit(1);
 }
 var10 = var12;
@@ -4267,14 +5045,17 @@ RET_LABEL11:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var10, self); /* Direct call array#Array#add on <var10:Array[MClassDef]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var10, self); /* Direct call array$Array$add on <var10:Array[MClassDef]>*/
 }
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var15 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var15 == 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);
 }
 var13 = var15;
@@ -4282,11 +5063,14 @@ RET_LABEL14:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#mclassdefs (var13) on <var13:MClass> */
+{ /* Inline model$MClass$mclassdefs (var13) on <var13:MClass> */
 var18 = var13->attrs[COLOR_nitc__model__MClass___mclassdefs].val; /* _mclassdefs on <var13:MClass> */
 if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 477);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 490);
 fatal_exit(1);
 }
 var16 = var18;
@@ -4294,14 +5078,17 @@ RET_LABEL17:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var16, self); /* Direct call array#Array#add on <var16:Array[MClassDef]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var16, self); /* Direct call array$Array$add on <var16:Array[MClassDef]>*/
 }
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var21 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var21 == 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);
 }
 var19 = var21;
@@ -4309,11 +5096,14 @@ RET_LABEL20:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var19) on <var19:MClass> */
+{ /* Inline model$MClass$intro_mmodule (var19) on <var19:MClass> */
 var24 = var19->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var19:MClass> */
 if (unlikely(var24 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var22 = var24;
@@ -4321,11 +5111,14 @@ RET_LABEL23:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
 var27 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 if (unlikely(var27 == 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);
 }
 var25 = var27;
@@ -4333,10 +5126,10 @@ RET_LABEL26:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var22,var25) on <var22:MModule> */
+{ /* Inline kernel$Object$== (var22,var25) on <var22:MModule> */
 var_other = var25;
 {
-{ /* Inline kernel#Object#is_same_instance (var22,var_other) on <var22:MModule> */
+{ /* Inline kernel$Object$is_same_instance (var22,var_other) on <var22:MModule> */
 var32 = var22 == var_other;
 var30 = var32;
 goto RET_LABEL31;
@@ -4350,11 +5143,14 @@ RET_LABEL29:(void)0;
 }
 if (var28){
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var35 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var35 == 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);
 }
 var33 = var35;
@@ -4364,16 +5160,22 @@ RET_LABEL34:(void)0;
 var36 = var33->attrs[COLOR_nitc__model__MClass___intro].val != NULL; /* _intro on <var33:MClass> */
 var37 = !var36;
 if (unlikely(!var37)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 604);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 620);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var40 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var40 == 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);
 }
 var38 = var40;
@@ -4381,7 +5183,7 @@ RET_LABEL39:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro= (var38,self) on <var38:MClass> */
+{ /* Inline model$MClass$intro= (var38,self) on <var38:MClass> */
 var38->attrs[COLOR_nitc__model__MClass___intro].val = self; /* _intro on <var38:MClass> */
 RET_LABEL41:(void)0;
 }
@@ -4389,12 +5191,16 @@ RET_LABEL41:(void)0;
 } else {
 }
 if (unlikely(varonce==NULL)) {
-var42 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
+var42 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
 if (likely(varonce43!=NULL)) {
 var44 = varonce43;
 } else {
-var45 = "#";
-var46 = core__flat___NativeString___to_s_full(var45, 1l, 1l);
+var45 = "$";
+var47 = (val*)(1l<<2|1);
+var48 = (val*)(1l<<2|1);
+var49 = (val*)((long)(0)<<2|3);
+var50 = (val*)((long)(0)<<2|3);
+var46 = core__flat___CString___to_s_unsafe(var45, var47, var48, var49, var50);
 var44 = var46;
 varonce43 = var44;
 }
@@ -4404,50 +5210,56 @@ var42 = varonce;
 varonce = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var49 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var49 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var53 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var53 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var47 = var49;
-RET_LABEL48:(void)0;
+var51 = var53;
+RET_LABEL52:(void)0;
 }
 }
 {
-var50 = ((val*(*)(val* self))(var47->class->vft[COLOR_core__abstract_text__Object__to_s]))(var47); /* to_s on <var47:MModule>*/
+var54 = ((val*(*)(val* self))(var51->class->vft[COLOR_core__abstract_text__Object__to_s]))(var51); /* to_s on <var51:MModule>*/
 }
-((struct instance_core__NativeArray*)var42)->values[0]=var50;
+((struct instance_core__NativeArray*)var42)->values[0]=var54;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var53 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var53 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var57 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var57 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var51 = var53;
-RET_LABEL52:(void)0;
+var55 = var57;
+RET_LABEL56:(void)0;
 }
 }
 {
-var54 = ((val*(*)(val* self))(var51->class->vft[COLOR_core__abstract_text__Object__to_s]))(var51); /* to_s on <var51:MClass>*/
+var58 = ((val*(*)(val* self))(var55->class->vft[COLOR_core__abstract_text__Object__to_s]))(var55); /* to_s on <var55:MClass>*/
 }
-((struct instance_core__NativeArray*)var42)->values[2]=var54;
+((struct instance_core__NativeArray*)var42)->values[2]=var58;
 {
-var55 = ((val*(*)(val* self))(var42->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var42); /* native_to_s on <var42:NativeArray[String]>*/
+var59 = ((val*(*)(val* self))(var42->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var42); /* native_to_s on <var42:NativeArray[String]>*/
 }
 varonce = var42;
 {
-{ /* Inline model#MClassDef#to_s= (self,var55) on <self:MClassDef> */
-self->attrs[COLOR_nitc__model__MClassDef___to_s].val = var55; /* _to_s on <self:MClassDef> */
-RET_LABEL56:(void)0;
+{ /* Inline model$MClassDef$to_s= (self,var59) on <self:MClassDef> */
+self->attrs[COLOR_nitc__model__MClassDef___to_s].val = var59; /* _to_s on <self:MClassDef> */
+RET_LABEL60:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method model#MClassDef#name for (self: MClassDef): String */
+/* method model$MClassDef$name for (self: MClassDef): String */
 val* nitc___nitc__MClassDef___nitc__model_base__MEntity__name(val* self) {
 val* var /* : String */;
 val* var1 /* : MClass */;
@@ -4455,11 +5267,14 @@ val* var3 /* : MClass */;
 val* var4 /* : String */;
 val* var6 /* : String */;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var3 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
 var1 = var3;
@@ -4467,11 +5282,14 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#name (var1) on <var1:MClass> */
+{ /* Inline model$MClass$name (var1) on <var1:MClass> */
 var6 = var1->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var1:MClass> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
 var4 = var6;
@@ -4483,7 +5301,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#full_name for (self: MClassDef): String */
+/* method model$MClassDef$full_name for (self: MClassDef): String */
 val* nitc___nitc__MClassDef___nitc__model_base__MEntity__full_name(val* self) {
 val* var /* : String */;
 short int var1 /* : Bool */;
@@ -4494,97 +5312,120 @@ val* var6 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce7;
 val* var8 /* : String */;
-char* var9 /* : NativeString */;
+char* var9 /* : CString */;
 val* var10 /* : String */;
-val* var11 /* : MModule */;
-val* var13 /* : MModule */;
-val* var14 /* : MClass */;
-val* var16 /* : MClass */;
-val* var17 /* : MVisibility */;
-val* var19 /* : MVisibility */;
-val* var20 /* : String */;
-val* var21 /* : MClass */;
-val* var23 /* : MClass */;
+val* var11 /* : nullable Int */;
+val* var12 /* : nullable Int */;
+val* var13 /* : nullable Bool */;
+val* var14 /* : nullable Bool */;
+val* var15 /* : MModule */;
+val* var17 /* : MModule */;
+val* var18 /* : MClass */;
+val* var20 /* : MClass */;
+val* var21 /* : MVisibility */;
+val* var23 /* : MVisibility */;
 val* var24 /* : String */;
-val* var26 /* : String */;
-val* var27 /* : String */;
-val* var28 /* : MClass */;
-val* var30 /* : MClass */;
-val* var31 /* : MModule */;
-val* var33 /* : MModule */;
-val* var34 /* : nullable MPackage */;
+val* var25 /* : MClass */;
+val* var27 /* : MClass */;
+val* var28 /* : String */;
+val* var30 /* : String */;
+val* var31 /* : String */;
+val* var32 /* : MClass */;
+val* var34 /* : MClass */;
 val* var35 /* : MModule */;
 val* var37 /* : MModule */;
 val* var38 /* : nullable MPackage */;
-short int var39 /* : Bool */;
-short int var40 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var42 /* : Bool */;
+val* var39 /* : MModule */;
+val* var41 /* : MModule */;
+val* var42 /* : nullable MPackage */;
 short int var43 /* : Bool */;
-val* var45 /* : NativeArray[String] */;
-static val* varonce44;
-static val* varonce46;
-val* var47 /* : String */;
-char* var48 /* : NativeString */;
-val* var49 /* : String */;
-val* var50 /* : MModule */;
-val* var52 /* : MModule */;
+short int var44 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var46 /* : Bool */;
+short int var47 /* : Bool */;
+val* var49 /* : NativeArray[String] */;
+static val* varonce48;
+static val* varonce50;
+val* var51 /* : String */;
+char* var52 /* : CString */;
 val* var53 /* : String */;
-val* var54 /* : MClass */;
-val* var56 /* : MClass */;
-val* var57 /* : String */;
-val* var58 /* : String */;
-val* var59 /* : MClass */;
-val* var61 /* : MClass */;
-val* var62 /* : MVisibility */;
-val* var64 /* : MVisibility */;
-val* var65 /* : Sys */;
-val* var66 /* : MVisibility */;
-short int var67 /* : Bool */;
-val* var69 /* : NativeArray[String] */;
-static val* varonce68;
-static val* varonce70;
-val* var71 /* : String */;
-char* var72 /* : NativeString */;
-val* var73 /* : String */;
-val* var74 /* : MModule */;
-val* var76 /* : MModule */;
-val* var77 /* : String */;
-val* var78 /* : MClass */;
-val* var80 /* : MClass */;
+val* var54 /* : nullable Int */;
+val* var55 /* : nullable Int */;
+val* var56 /* : nullable Bool */;
+val* var57 /* : nullable Bool */;
+val* var58 /* : MModule */;
+val* var60 /* : MModule */;
+val* var61 /* : String */;
+val* var62 /* : MClass */;
+val* var64 /* : MClass */;
+val* var65 /* : String */;
+val* var66 /* : String */;
+val* var67 /* : MClass */;
+val* var69 /* : MClass */;
+val* var70 /* : MVisibility */;
+val* var72 /* : MVisibility */;
+val* var73 /* : Sys */;
+val* var74 /* : MVisibility */;
+short int var75 /* : Bool */;
+val* var77 /* : NativeArray[String] */;
+static val* varonce76;
+static val* varonce78;
+val* var79 /* : String */;
+char* var80 /* : CString */;
 val* var81 /* : String */;
-val* var83 /* : String */;
-val* var84 /* : String */;
-val* var86 /* : NativeArray[String] */;
-static val* varonce85;
-static val* varonce87;
-val* var88 /* : String */;
-char* var89 /* : NativeString */;
-val* var90 /* : String */;
-static val* varonce91;
-val* var92 /* : String */;
-char* var93 /* : NativeString */;
-val* var94 /* : String */;
-val* var95 /* : MModule */;
-val* var97 /* : MModule */;
-val* var98 /* : String */;
-val* var99 /* : MClass */;
-val* var101 /* : MClass */;
-val* var102 /* : MModule */;
-val* var104 /* : MModule */;
-val* var105 /* : String */;
-val* var107 /* : String */;
-val* var108 /* : MClass */;
-val* var110 /* : MClass */;
-val* var111 /* : String */;
-val* var113 /* : String */;
-val* var114 /* : String */;
+val* var82 /* : nullable Int */;
+val* var83 /* : nullable Int */;
+val* var84 /* : nullable Bool */;
+val* var85 /* : nullable Bool */;
+val* var86 /* : MModule */;
+val* var88 /* : MModule */;
+val* var89 /* : String */;
+val* var90 /* : MClass */;
+val* var92 /* : MClass */;
+val* var93 /* : String */;
+val* var95 /* : String */;
+val* var96 /* : String */;
+val* var98 /* : NativeArray[String] */;
+static val* varonce97;
+static val* varonce99;
+val* var100 /* : String */;
+char* var101 /* : CString */;
+val* var102 /* : String */;
+val* var103 /* : nullable Int */;
+val* var104 /* : nullable Int */;
+val* var105 /* : nullable Bool */;
+val* var106 /* : nullable Bool */;
+static val* varonce107;
+val* var108 /* : String */;
+char* var109 /* : CString */;
+val* var110 /* : String */;
+val* var111 /* : nullable Int */;
+val* var112 /* : nullable Int */;
+val* var113 /* : nullable Bool */;
+val* var114 /* : nullable Bool */;
+val* var115 /* : MModule */;
+val* var117 /* : MModule */;
+val* var118 /* : String */;
+val* var119 /* : MClass */;
+val* var121 /* : MClass */;
+val* var122 /* : MModule */;
+val* var124 /* : MModule */;
+val* var125 /* : String */;
+val* var127 /* : String */;
+val* var128 /* : MClass */;
+val* var130 /* : MClass */;
+val* var131 /* : String */;
+val* var133 /* : String */;
+val* var134 /* : String */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___full_name].val != NULL; /* _full_name on <self:MClassDef> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MClassDef___full_name].val; /* _full_name on <self:MClassDef> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _full_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 613);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 629);
 fatal_exit(1);
 }
 } else {
@@ -4594,12 +5435,16 @@ var5 = nitc___nitc__MClassDef___is_intro(self);
 }
 if (var5){
 if (unlikely(varonce==NULL)) {
-var6 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
+var6 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
 if (likely(varonce7!=NULL)) {
 var8 = varonce7;
 } else {
-var9 = "#";
-var10 = core__flat___NativeString___to_s_full(var9, 1l, 1l);
+var9 = "$";
+var11 = (val*)(1l<<2|1);
+var12 = (val*)(1l<<2|1);
+var13 = (val*)((long)(0)<<2|3);
+var14 = (val*)((long)(0)<<2|3);
+var10 = core__flat___CString___to_s_unsafe(var9, var11, var12, var13, var14);
 var8 = var10;
 varonce7 = var8;
 }
@@ -4609,391 +5454,470 @@ var6 = varonce;
 varonce = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var13 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var13 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var17 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var11 = var13;
-RET_LABEL12:(void)0;
+var15 = var17;
+RET_LABEL16:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var16 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var16 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var20 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var20 == 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);
 }
-var14 = var16;
-RET_LABEL15:(void)0;
+var18 = var20;
+RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#visibility (var14) on <var14:MClass> */
-var19 = var14->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var14:MClass> */
-if (unlikely(var19 == NULL)) {
+{ /* Inline model$MClass$visibility (var18) on <var18:MClass> */
+var23 = var18->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var18:MClass> */
+if (unlikely(var23 == 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, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
-var17 = var19;
-RET_LABEL18:(void)0;
+var21 = var23;
+RET_LABEL22:(void)0;
 }
 }
 {
-var20 = nitc___nitc__MModule___namespace_for(var11, var17);
+var24 = nitc___nitc__MModule___namespace_for(var15, var21);
 }
-((struct instance_core__NativeArray*)var6)->values[0]=var20;
+((struct instance_core__NativeArray*)var6)->values[0]=var24;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var23 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var23 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var27 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var27 == 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);
 }
-var21 = var23;
-RET_LABEL22:(void)0;
+var25 = var27;
+RET_LABEL26:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#name (var21) on <var21:MClass> */
-var26 = var21->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var21:MClass> */
-if (unlikely(var26 == NULL)) {
+{ /* Inline model$MClass$name (var25) on <var25:MClass> */
+var30 = var25->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var25:MClass> */
+if (unlikely(var30 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
-var24 = var26;
-RET_LABEL25:(void)0;
+var28 = var30;
+RET_LABEL29:(void)0;
 }
 }
-((struct instance_core__NativeArray*)var6)->values[2]=var24;
+((struct instance_core__NativeArray*)var6)->values[2]=var28;
 {
-var27 = ((val*(*)(val* self))(var6->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var6); /* native_to_s on <var6:NativeArray[String]>*/
+var31 = ((val*(*)(val* self))(var6->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var6); /* native_to_s on <var6:NativeArray[String]>*/
 }
 varonce = var6;
-var3 = var27;
+var3 = var31;
 goto RET_LABEL4;
 } else {
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var30 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var30 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var34 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var34 == 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);
 }
-var28 = var30;
-RET_LABEL29:(void)0;
+var32 = var34;
+RET_LABEL33:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var28) on <var28:MClass> */
-var33 = var28->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var28:MClass> */
-if (unlikely(var33 == NULL)) {
+{ /* Inline model$MClass$intro_mmodule (var32) on <var32:MClass> */
+var37 = var32->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var32:MClass> */
+if (unlikely(var37 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
-var31 = var33;
-RET_LABEL32:(void)0;
+var35 = var37;
+RET_LABEL36:(void)0;
 }
 }
 {
-var34 = nitc___nitc__MModule___mpackage(var31);
+var38 = nitc___nitc__MModule___mpackage(var35);
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var37 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var37 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var41 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var41 == 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);
 }
-var35 = var37;
-RET_LABEL36:(void)0;
+var39 = var41;
+RET_LABEL40:(void)0;
 }
 }
 {
-var38 = nitc___nitc__MModule___mpackage(var35);
+var42 = nitc___nitc__MModule___mpackage(var39);
 }
-if (var34 == NULL) {
-var39 = (var38 != NULL);
+if (var38 == NULL) {
+var43 = (var42 != NULL);
 } else {
-{ /* Inline kernel#Object#!= (var34,var38) on <var34:nullable MPackage> */
-var_other = var38;
+{ /* Inline kernel$Object$!= (var38,var42) on <var38:nullable MPackage> */
+var_other = var42;
 {
-var42 = ((short int(*)(val* self, val* p0))(var34->class->vft[COLOR_core__kernel__Object___61d_61d]))(var34, var_other); /* == on <var34:nullable MPackage(MPackage)>*/
+var46 = ((short int(*)(val* self, val* p0))(var38->class->vft[COLOR_core__kernel__Object___61d_61d]))(var38, var_other); /* == on <var38:nullable MPackage(MPackage)>*/
 }
-var43 = !var42;
-var40 = var43;
-goto RET_LABEL41;
-RET_LABEL41:(void)0;
+var47 = !var46;
+var44 = var47;
+goto RET_LABEL45;
+RET_LABEL45:(void)0;
 }
-var39 = var40;
+var43 = var44;
 }
-if (var39){
-if (unlikely(varonce44==NULL)) {
-var45 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce46!=NULL)) {
-var47 = varonce46;
+if (var43){
+if (unlikely(varonce48==NULL)) {
+var49 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce50!=NULL)) {
+var51 = varonce50;
 } else {
-var48 = "#";
-var49 = core__flat___NativeString___to_s_full(var48, 1l, 1l);
-var47 = var49;
-varonce46 = var47;
+var52 = "$";
+var54 = (val*)(1l<<2|1);
+var55 = (val*)(1l<<2|1);
+var56 = (val*)((long)(0)<<2|3);
+var57 = (val*)((long)(0)<<2|3);
+var53 = core__flat___CString___to_s_unsafe(var52, var54, var55, var56, var57);
+var51 = var53;
+varonce50 = var51;
 }
-((struct instance_core__NativeArray*)var45)->values[1]=var47;
+((struct instance_core__NativeArray*)var49)->values[1]=var51;
 } else {
-var45 = varonce44;
-varonce44 = NULL;
+var49 = varonce48;
+varonce48 = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var52 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var52 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var60 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var60 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var50 = var52;
-RET_LABEL51:(void)0;
+var58 = var60;
+RET_LABEL59:(void)0;
 }
 }
 {
-var53 = nitc___nitc__MModule___nitc__model_base__MEntity__full_name(var50);
+var61 = nitc___nitc__MModule___nitc__model_base__MEntity__full_name(var58);
 }
-((struct instance_core__NativeArray*)var45)->values[0]=var53;
+((struct instance_core__NativeArray*)var49)->values[0]=var61;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var56 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var56 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var64 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var64 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var54 = var56;
-RET_LABEL55:(void)0;
+var62 = var64;
+RET_LABEL63:(void)0;
 }
 }
 {
-var57 = nitc___nitc__MClass___nitc__model_base__MEntity__full_name(var54);
+var65 = nitc___nitc__MClass___nitc__model_base__MEntity__full_name(var62);
 }
-((struct instance_core__NativeArray*)var45)->values[2]=var57;
+((struct instance_core__NativeArray*)var49)->values[2]=var65;
 {
-var58 = ((val*(*)(val* self))(var45->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var45); /* native_to_s on <var45:NativeArray[String]>*/
+var66 = ((val*(*)(val* self))(var49->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var49); /* native_to_s on <var49:NativeArray[String]>*/
 }
-varonce44 = var45;
-var3 = var58;
+varonce48 = var49;
+var3 = var66;
 goto RET_LABEL4;
 } else {
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var61 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var61 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var69 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var69 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var59 = var61;
-RET_LABEL60:(void)0;
+var67 = var69;
+RET_LABEL68:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#visibility (var59) on <var59:MClass> */
-var64 = var59->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var59:MClass> */
-if (unlikely(var64 == NULL)) {
+{ /* Inline model$MClass$visibility (var67) on <var67:MClass> */
+var72 = var67->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var67:MClass> */
+if (unlikely(var72 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _visibility");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
-var62 = var64;
-RET_LABEL63:(void)0;
+var70 = var72;
+RET_LABEL71:(void)0;
 }
 }
-var65 = glob_sys;
+var73 = glob_sys;
 {
-var66 = nitc__model_base___core__Sys___private_visibility(var65);
+var74 = nitc__model_base___core__Sys___private_visibility(var73);
 }
 {
-var67 = core___core__Comparable____62d(var62, var66);
+var75 = core___core__Comparable____62d(var70, var74);
 }
-if (var67){
-if (unlikely(varonce68==NULL)) {
-var69 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce70!=NULL)) {
-var71 = varonce70;
+if (var75){
+if (unlikely(varonce76==NULL)) {
+var77 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce78!=NULL)) {
+var79 = varonce78;
 } else {
-var72 = "#";
-var73 = core__flat___NativeString___to_s_full(var72, 1l, 1l);
-var71 = var73;
-varonce70 = var71;
+var80 = "$";
+var82 = (val*)(1l<<2|1);
+var83 = (val*)(1l<<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*)var69)->values[1]=var71;
+((struct instance_core__NativeArray*)var77)->values[1]=var79;
 } else {
-var69 = varonce68;
-varonce68 = NULL;
+var77 = varonce76;
+varonce76 = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var76 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var76 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var88 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var88 == 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);
 }
-var74 = var76;
-RET_LABEL75:(void)0;
+var86 = var88;
+RET_LABEL87:(void)0;
 }
 }
 {
-var77 = nitc___nitc__MModule___nitc__model_base__MEntity__full_name(var74);
+var89 = nitc___nitc__MModule___nitc__model_base__MEntity__full_name(var86);
 }
-((struct instance_core__NativeArray*)var69)->values[0]=var77;
+((struct instance_core__NativeArray*)var77)->values[0]=var89;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var80 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var80 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var92 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var92 == 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);
 }
-var78 = var80;
-RET_LABEL79:(void)0;
+var90 = var92;
+RET_LABEL91:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#name (var78) on <var78:MClass> */
-var83 = var78->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var78:MClass> */
-if (unlikely(var83 == NULL)) {
+{ /* Inline model$MClass$name (var90) on <var90:MClass> */
+var95 = var90->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var90:MClass> */
+if (unlikely(var95 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
-var81 = var83;
-RET_LABEL82:(void)0;
+var93 = var95;
+RET_LABEL94:(void)0;
 }
 }
-((struct instance_core__NativeArray*)var69)->values[2]=var81;
+((struct instance_core__NativeArray*)var77)->values[2]=var93;
 {
-var84 = ((val*(*)(val* self))(var69->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var69); /* native_to_s on <var69:NativeArray[String]>*/
+var96 = ((val*(*)(val* self))(var77->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var77); /* native_to_s on <var77:NativeArray[String]>*/
 }
-varonce68 = var69;
-var3 = var84;
+varonce76 = var77;
+var3 = var96;
 goto RET_LABEL4;
 } else {
-if (unlikely(varonce85==NULL)) {
-var86 = NEW_core__NativeArray(5l, &type_core__NativeArray__core__String);
-if (likely(varonce87!=NULL)) {
-var88 = varonce87;
-} else {
-var89 = "#::";
-var90 = core__flat___NativeString___to_s_full(var89, 3l, 3l);
-var88 = var90;
-varonce87 = var88;
-}
-((struct instance_core__NativeArray*)var86)->values[1]=var88;
-if (likely(varonce91!=NULL)) {
-var92 = varonce91;
-} else {
-var93 = "::";
-var94 = core__flat___NativeString___to_s_full(var93, 2l, 2l);
-var92 = var94;
-varonce91 = var92;
+if (unlikely(varonce97==NULL)) {
+var98 = NEW_core__NativeArray((int)5l, &type_core__NativeArray__core__String);
+if (likely(varonce99!=NULL)) {
+var100 = varonce99;
+} else {
+var101 = "$::";
+var103 = (val*)(3l<<2|1);
+var104 = (val*)(3l<<2|1);
+var105 = (val*)((long)(0)<<2|3);
+var106 = (val*)((long)(0)<<2|3);
+var102 = core__flat___CString___to_s_unsafe(var101, var103, var104, var105, var106);
+var100 = var102;
+varonce99 = var100;
+}
+((struct instance_core__NativeArray*)var98)->values[1]=var100;
+if (likely(varonce107!=NULL)) {
+var108 = varonce107;
+} else {
+var109 = "::";
+var111 = (val*)(2l<<2|1);
+var112 = (val*)(2l<<2|1);
+var113 = (val*)((long)(0)<<2|3);
+var114 = (val*)((long)(0)<<2|3);
+var110 = core__flat___CString___to_s_unsafe(var109, var111, var112, var113, var114);
+var108 = var110;
+varonce107 = var108;
 }
-((struct instance_core__NativeArray*)var86)->values[3]=var92;
+((struct instance_core__NativeArray*)var98)->values[3]=var108;
 } else {
-var86 = varonce85;
-varonce85 = NULL;
+var98 = varonce97;
+varonce97 = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var97 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var97 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var117 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var117 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var95 = var97;
-RET_LABEL96:(void)0;
+var115 = var117;
+RET_LABEL116:(void)0;
 }
 }
 {
-var98 = nitc___nitc__MModule___nitc__model_base__MEntity__full_name(var95);
+var118 = nitc___nitc__MModule___nitc__model_base__MEntity__full_name(var115);
 }
-((struct instance_core__NativeArray*)var86)->values[0]=var98;
+((struct instance_core__NativeArray*)var98)->values[0]=var118;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var101 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var101 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var121 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var121 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var99 = var101;
-RET_LABEL100:(void)0;
+var119 = var121;
+RET_LABEL120:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var99) on <var99:MClass> */
-var104 = var99->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var99:MClass> */
-if (unlikely(var104 == NULL)) {
+{ /* Inline model$MClass$intro_mmodule (var119) on <var119:MClass> */
+var124 = var119->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var119:MClass> */
+if (unlikely(var124 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
-var102 = var104;
-RET_LABEL103:(void)0;
+var122 = var124;
+RET_LABEL123:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#name (var102) on <var102:MModule> */
-var107 = var102->attrs[COLOR_nitc__mmodule__MModule___name].val; /* _name on <var102:MModule> */
-if (unlikely(var107 == NULL)) {
+{ /* Inline mmodule$MModule$name (var122) on <var122:MModule> */
+var127 = var122->attrs[COLOR_nitc__mmodule__MModule___name].val; /* _name on <var122:MModule> */
+if (unlikely(var127 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 95);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 100);
 fatal_exit(1);
 }
-var105 = var107;
-RET_LABEL106:(void)0;
+var125 = var127;
+RET_LABEL126:(void)0;
 }
 }
-((struct instance_core__NativeArray*)var86)->values[2]=var105;
+((struct instance_core__NativeArray*)var98)->values[2]=var125;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var110 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var110 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var130 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var130 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var108 = var110;
-RET_LABEL109:(void)0;
+var128 = var130;
+RET_LABEL129:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#name (var108) on <var108:MClass> */
-var113 = var108->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var108:MClass> */
-if (unlikely(var113 == NULL)) {
+{ /* Inline model$MClass$name (var128) on <var128:MClass> */
+var133 = var128->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var128:MClass> */
+if (unlikely(var133 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
-var111 = var113;
-RET_LABEL112:(void)0;
+var131 = var133;
+RET_LABEL132:(void)0;
 }
 }
-((struct instance_core__NativeArray*)var86)->values[4]=var111;
+((struct instance_core__NativeArray*)var98)->values[4]=var131;
 {
-var114 = ((val*(*)(val* self))(var86->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var86); /* native_to_s on <var86:NativeArray[String]>*/
+var134 = ((val*(*)(val* self))(var98->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var98); /* native_to_s on <var98:NativeArray[String]>*/
 }
-varonce85 = var86;
-var3 = var114;
+varonce97 = var98;
+var3 = var134;
 goto RET_LABEL4;
 }
 }
@@ -5007,7 +5931,7 @@ var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#c_name for (self: MClassDef): String */
+/* method model$MClassDef$c_name for (self: MClassDef): String */
 val* nitc___nitc__MClassDef___nitc__model_base__MEntity__c_name(val* self) {
 val* var /* : String */;
 short int var1 /* : Bool */;
@@ -5018,75 +5942,90 @@ val* var6 /* : NativeArray[String] */;
 static val* varonce;
 static val* varonce7;
 val* var8 /* : String */;
-char* var9 /* : NativeString */;
+char* var9 /* : CString */;
 val* var10 /* : String */;
-val* var11 /* : MModule */;
-val* var13 /* : MModule */;
-val* var14 /* : MClass */;
-val* var16 /* : MClass */;
-val* var17 /* : MVisibility */;
-val* var19 /* : MVisibility */;
-val* var20 /* : String */;
-val* var21 /* : MClass */;
-val* var23 /* : MClass */;
+val* var11 /* : nullable Int */;
+val* var12 /* : nullable Int */;
+val* var13 /* : nullable Bool */;
+val* var14 /* : nullable Bool */;
+val* var15 /* : MModule */;
+val* var17 /* : MModule */;
+val* var18 /* : MClass */;
+val* var20 /* : MClass */;
+val* var21 /* : MVisibility */;
+val* var23 /* : MVisibility */;
 val* var24 /* : String */;
-val* var25 /* : String */;
-short int var26 /* : Bool */;
+val* var25 /* : MClass */;
 val* var27 /* : MClass */;
-val* var29 /* : MClass */;
-val* var30 /* : MModule */;
-val* var32 /* : MModule */;
-val* var33 /* : nullable MPackage */;
+val* var28 /* : String */;
+val* var29 /* : String */;
+short int var30 /* : Bool */;
+val* var31 /* : MClass */;
+val* var33 /* : MClass */;
 val* var34 /* : MModule */;
 val* var36 /* : MModule */;
 val* var37 /* : nullable MPackage */;
-short int var38 /* : Bool */;
-short int var39 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var41 /* : Bool */;
+val* var38 /* : MModule */;
+val* var40 /* : MModule */;
+val* var41 /* : nullable MPackage */;
+short int var42 /* : Bool */;
 short int var43 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var45 /* : Bool */;
+short int var47 /* : Bool */;
 short int var_ /* var : Bool */;
-val* var44 /* : MClass */;
-val* var46 /* : MClass */;
-val* var47 /* : MVisibility */;
-val* var49 /* : MVisibility */;
-val* var50 /* : Sys */;
+val* var48 /* : MClass */;
+val* var50 /* : MClass */;
 val* var51 /* : MVisibility */;
-short int var52 /* : Bool */;
-val* var54 /* : NativeArray[String] */;
-static val* varonce53;
-static val* varonce55;
-val* var56 /* : String */;
-char* var57 /* : NativeString */;
-val* var58 /* : String */;
-val* var59 /* : MModule */;
-val* var61 /* : MModule */;
+val* var53 /* : MVisibility */;
+val* var54 /* : Sys */;
+val* var55 /* : MVisibility */;
+short int var56 /* : Bool */;
+val* var58 /* : NativeArray[String] */;
+static val* varonce57;
+static val* varonce59;
+val* var60 /* : String */;
+char* var61 /* : CString */;
 val* var62 /* : String */;
-val* var63 /* : MClass */;
-val* var65 /* : MClass */;
-val* var66 /* : String */;
-val* var68 /* : String */;
-val* var69 /* : String */;
+val* var63 /* : nullable Int */;
+val* var64 /* : nullable Int */;
+val* var65 /* : nullable Bool */;
+val* var66 /* : nullable Bool */;
+val* var67 /* : MModule */;
+val* var69 /* : MModule */;
 val* var70 /* : String */;
-val* var72 /* : NativeArray[String] */;
-static val* varonce71;
-static val* varonce73;
+val* var71 /* : MClass */;
+val* var73 /* : MClass */;
 val* var74 /* : String */;
-char* var75 /* : NativeString */;
 val* var76 /* : String */;
-val* var77 /* : MModule */;
-val* var79 /* : MModule */;
-val* var80 /* : String */;
-val* var81 /* : MClass */;
-val* var83 /* : MClass */;
+val* var77 /* : String */;
+val* var78 /* : String */;
+val* var80 /* : NativeArray[String] */;
+static val* varonce79;
+static val* varonce81;
+val* var82 /* : String */;
+char* var83 /* : CString */;
 val* var84 /* : String */;
-val* var85 /* : String */;
+val* var85 /* : nullable Int */;
+val* var86 /* : nullable Int */;
+val* var87 /* : nullable Bool */;
+val* var88 /* : nullable Bool */;
+val* var89 /* : MModule */;
+val* var91 /* : MModule */;
+val* var92 /* : String */;
+val* var93 /* : MClass */;
+val* var95 /* : MClass */;
+val* var96 /* : String */;
+val* var97 /* : String */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___c_name].val != NULL; /* _c_name on <self:MClassDef> */
 if(likely(var1)) {
 var2 = self->attrs[COLOR_nitc__model__MClassDef___c_name].val; /* _c_name on <self:MClassDef> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _c_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 638);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 654);
 fatal_exit(1);
 }
 } else {
@@ -5096,12 +6035,16 @@ var5 = nitc___nitc__MClassDef___is_intro(self);
 }
 if (var5){
 if (unlikely(varonce==NULL)) {
-var6 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
+var6 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
 if (likely(varonce7!=NULL)) {
 var8 = varonce7;
 } else {
 var9 = "___";
-var10 = core__flat___NativeString___to_s_full(var9, 3l, 3l);
+var11 = (val*)(3l<<2|1);
+var12 = (val*)(3l<<2|1);
+var13 = (val*)((long)(0)<<2|3);
+var14 = (val*)((long)(0)<<2|3);
+var10 = core__flat___CString___to_s_unsafe(var9, var11, var12, var13, var14);
 var8 = var10;
 varonce7 = var8;
 }
@@ -5111,285 +6054,335 @@ var6 = varonce;
 varonce = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var13 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var13 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var17 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var11 = var13;
-RET_LABEL12:(void)0;
+var15 = var17;
+RET_LABEL16:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var16 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var16 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var20 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var20 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var14 = var16;
-RET_LABEL15:(void)0;
+var18 = var20;
+RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#visibility (var14) on <var14:MClass> */
-var19 = var14->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var14:MClass> */
-if (unlikely(var19 == NULL)) {
+{ /* Inline model$MClass$visibility (var18) on <var18:MClass> */
+var23 = var18->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var18:MClass> */
+if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _visibility");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
-var17 = var19;
-RET_LABEL18:(void)0;
+var21 = var23;
+RET_LABEL22:(void)0;
 }
 }
 {
-var20 = nitc___nitc__MModule___c_namespace_for(var11, var17);
+var24 = nitc___nitc__MModule___c_namespace_for(var15, var21);
 }
-((struct instance_core__NativeArray*)var6)->values[0]=var20;
+((struct instance_core__NativeArray*)var6)->values[0]=var24;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var23 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var23 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var27 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var21 = var23;
-RET_LABEL22:(void)0;
+var25 = var27;
+RET_LABEL26:(void)0;
 }
 }
 {
-var24 = nitc___nitc__MClass___nitc__model_base__MEntity__c_name(var21);
+var28 = nitc___nitc__MClass___nitc__model_base__MEntity__c_name(var25);
 }
-((struct instance_core__NativeArray*)var6)->values[2]=var24;
+((struct instance_core__NativeArray*)var6)->values[2]=var28;
 {
-var25 = ((val*(*)(val* self))(var6->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var6); /* native_to_s on <var6:NativeArray[String]>*/
+var29 = ((val*(*)(val* self))(var6->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var6); /* native_to_s on <var6:NativeArray[String]>*/
 }
 varonce = var6;
-var3 = var25;
+var3 = var29;
 goto RET_LABEL4;
 } else {
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var29 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var29 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var33 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var33 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var27 = var29;
-RET_LABEL28:(void)0;
+var31 = var33;
+RET_LABEL32:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var27) on <var27:MClass> */
-var32 = var27->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var27:MClass> */
-if (unlikely(var32 == NULL)) {
+{ /* Inline model$MClass$intro_mmodule (var31) on <var31:MClass> */
+var36 = var31->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var31:MClass> */
+if (unlikely(var36 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
-var30 = var32;
-RET_LABEL31:(void)0;
+var34 = var36;
+RET_LABEL35:(void)0;
 }
 }
 {
-var33 = nitc___nitc__MModule___mpackage(var30);
+var37 = nitc___nitc__MModule___mpackage(var34);
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var36 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var36 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var40 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var40 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var34 = var36;
-RET_LABEL35:(void)0;
+var38 = var40;
+RET_LABEL39:(void)0;
 }
 }
 {
-var37 = nitc___nitc__MModule___mpackage(var34);
+var41 = nitc___nitc__MModule___mpackage(var38);
 }
-if (var33 == NULL) {
-var38 = (var37 == NULL);
+if (var37 == NULL) {
+var42 = (var41 == NULL);
 } else {
-{ /* Inline kernel#Object#== (var33,var37) on <var33:nullable MPackage> */
-var_other = var37;
+{ /* Inline kernel$Object$== (var37,var41) on <var37:nullable MPackage> */
+var_other = var41;
 {
-{ /* Inline kernel#Object#is_same_instance (var33,var_other) on <var33:nullable MPackage(MPackage)> */
-var43 = var33 == var_other;
-var41 = var43;
-goto RET_LABEL42;
-RET_LABEL42:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var37,var_other) on <var37:nullable MPackage(MPackage)> */
+var47 = var37 == var_other;
+var45 = var47;
+goto RET_LABEL46;
+RET_LABEL46:(void)0;
 }
 }
-var39 = var41;
-goto RET_LABEL40;
-RET_LABEL40:(void)0;
+var43 = var45;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
 }
-var38 = var39;
+var42 = var43;
 }
-var_ = var38;
-if (var38){
+var_ = var42;
+if (var42){
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var46 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var46 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var50 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var50 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var44 = var46;
-RET_LABEL45:(void)0;
+var48 = var50;
+RET_LABEL49:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#visibility (var44) on <var44:MClass> */
-var49 = var44->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var44:MClass> */
-if (unlikely(var49 == NULL)) {
+{ /* Inline model$MClass$visibility (var48) on <var48:MClass> */
+var53 = var48->attrs[COLOR_nitc__model__MClass___visibility].val; /* _visibility on <var48:MClass> */
+if (unlikely(var53 == 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, 463);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 476);
 fatal_exit(1);
 }
-var47 = var49;
-RET_LABEL48:(void)0;
+var51 = var53;
+RET_LABEL52:(void)0;
 }
 }
-var50 = glob_sys;
+var54 = glob_sys;
 {
-var51 = nitc__model_base___core__Sys___private_visibility(var50);
+var55 = nitc__model_base___core__Sys___private_visibility(var54);
 }
 {
-var52 = core___core__Comparable____62d(var47, var51);
-}
-var26 = var52;
-} else {
-var26 = var_;
+var56 = core___core__Comparable____62d(var51, var55);
 }
-if (var26){
-if (unlikely(varonce53==NULL)) {
-var54 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce55!=NULL)) {
-var56 = varonce55;
+var30 = var56;
 } else {
-var57 = "___";
-var58 = core__flat___NativeString___to_s_full(var57, 3l, 3l);
-var56 = var58;
-varonce55 = var56;
+var30 = var_;
 }
-((struct instance_core__NativeArray*)var54)->values[1]=var56;
+if (var30){
+if (unlikely(varonce57==NULL)) {
+var58 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce59!=NULL)) {
+var60 = varonce59;
+} else {
+var61 = "___";
+var63 = (val*)(3l<<2|1);
+var64 = (val*)(3l<<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;
+}
+((struct instance_core__NativeArray*)var58)->values[1]=var60;
 } else {
-var54 = varonce53;
-varonce53 = NULL;
+var58 = varonce57;
+varonce57 = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var61 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var61 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var69 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var69 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var59 = var61;
-RET_LABEL60:(void)0;
+var67 = var69;
+RET_LABEL68:(void)0;
 }
 }
 {
-var62 = nitc___nitc__MModule___nitc__model_base__MEntity__c_name(var59);
+var70 = nitc___nitc__MModule___nitc__model_base__MEntity__c_name(var67);
 }
-((struct instance_core__NativeArray*)var54)->values[0]=var62;
+((struct instance_core__NativeArray*)var58)->values[0]=var70;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var65 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var65 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var73 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var73 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var63 = var65;
-RET_LABEL64:(void)0;
+var71 = var73;
+RET_LABEL72:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#name (var63) on <var63:MClass> */
-var68 = var63->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var63:MClass> */
-if (unlikely(var68 == NULL)) {
+{ /* Inline model$MClass$name (var71) on <var71:MClass> */
+var76 = var71->attrs[COLOR_nitc__model__MClass___name].val; /* _name on <var71:MClass> */
+if (unlikely(var76 == 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, 385);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 396);
 fatal_exit(1);
 }
-var66 = var68;
-RET_LABEL67:(void)0;
+var74 = var76;
+RET_LABEL75:(void)0;
 }
 }
 {
-var69 = core___core__Text___to_cmangle(var66);
+var77 = core___core__Text___to_cmangle(var74);
 }
-((struct instance_core__NativeArray*)var54)->values[2]=var69;
+((struct instance_core__NativeArray*)var58)->values[2]=var77;
 {
-var70 = ((val*(*)(val* self))(var54->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var54); /* native_to_s on <var54:NativeArray[String]>*/
+var78 = ((val*(*)(val* self))(var58->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var58); /* native_to_s on <var58:NativeArray[String]>*/
 }
-varonce53 = var54;
-var3 = var70;
+varonce57 = var58;
+var3 = var78;
 goto RET_LABEL4;
 } else {
-if (unlikely(varonce71==NULL)) {
-var72 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce73!=NULL)) {
-var74 = varonce73;
+if (unlikely(varonce79==NULL)) {
+var80 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce81!=NULL)) {
+var82 = varonce81;
 } else {
-var75 = "___";
-var76 = core__flat___NativeString___to_s_full(var75, 3l, 3l);
-var74 = var76;
-varonce73 = var74;
+var83 = "___";
+var85 = (val*)(3l<<2|1);
+var86 = (val*)(3l<<2|1);
+var87 = (val*)((long)(0)<<2|3);
+var88 = (val*)((long)(0)<<2|3);
+var84 = core__flat___CString___to_s_unsafe(var83, var85, var86, var87, var88);
+var82 = var84;
+varonce81 = var82;
 }
-((struct instance_core__NativeArray*)var72)->values[1]=var74;
+((struct instance_core__NativeArray*)var80)->values[1]=var82;
 } else {
-var72 = varonce71;
-varonce71 = NULL;
+var80 = varonce79;
+varonce79 = NULL;
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
-var79 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
-if (unlikely(var79 == NULL)) {
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
+var91 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
+if (unlikely(var91 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
-var77 = var79;
-RET_LABEL78:(void)0;
+var89 = var91;
+RET_LABEL90:(void)0;
 }
 }
 {
-var80 = nitc___nitc__MModule___nitc__model_base__MEntity__c_name(var77);
+var92 = nitc___nitc__MModule___nitc__model_base__MEntity__c_name(var89);
 }
-((struct instance_core__NativeArray*)var72)->values[0]=var80;
+((struct instance_core__NativeArray*)var80)->values[0]=var92;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
-var83 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
-if (unlikely(var83 == NULL)) {
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
+var95 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
+if (unlikely(var95 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
-var81 = var83;
-RET_LABEL82:(void)0;
+var93 = var95;
+RET_LABEL94:(void)0;
 }
 }
 {
-var84 = nitc___nitc__MClass___nitc__model_base__MEntity__c_name(var81);
+var96 = nitc___nitc__MClass___nitc__model_base__MEntity__c_name(var93);
 }
-((struct instance_core__NativeArray*)var72)->values[2]=var84;
+((struct instance_core__NativeArray*)var80)->values[2]=var96;
 {
-var85 = ((val*(*)(val* self))(var72->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var72); /* native_to_s on <var72:NativeArray[String]>*/
+var97 = ((val*(*)(val* self))(var80->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var80); /* native_to_s on <var80:NativeArray[String]>*/
 }
-varonce71 = var72;
-var3 = var85;
+varonce79 = var80;
+var3 = var97;
 goto RET_LABEL4;
 }
 }
@@ -5402,7 +6395,7 @@ var = var2;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#model for (self: MClassDef): Model */
+/* method model$MClassDef$model for (self: MClassDef): Model */
 val* nitc___nitc__MClassDef___nitc__model_base__MEntity__model(val* self) {
 val* var /* : Model */;
 val* var1 /* : MModule */;
@@ -5410,11 +6403,14 @@ val* var3 /* : MModule */;
 val* var4 /* : Model */;
 val* var6 /* : Model */;
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
 var3 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var1 = var3;
@@ -5422,11 +6418,14 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var1) on <var1:MModule> */
+{ /* Inline mmodule$MModule$model (var1) on <var1:MModule> */
 var6 = var1->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var1:MModule> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var4 = var6;
@@ -5438,21 +6437,24 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#supertypes for (self: MClassDef): Array[MClassType] */
+/* method model$MClassDef$supertypes for (self: MClassDef): Array[MClassType] */
 val* nitc___nitc__MClassDef___supertypes(val* self) {
 val* var /* : Array[MClassType] */;
 val* var1 /* : Array[MClassType] */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___supertypes].val; /* _supertypes on <self:MClassDef> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _supertypes");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 650);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 666);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#set_supertypes for (self: MClassDef, Array[MClassType]) */
+/* method model$MClassDef$set_supertypes for (self: MClassDef, Array[MClassType]) */
 void nitc___nitc__MClassDef___set_supertypes(val* self, val* p0) {
 val* var_supertypes /* var supertypes: Array[MClassType] */;
 val* var /* : nullable POSetElement[MClassDef] */;
@@ -5501,7 +6503,7 @@ val* var52 /* : POSet[MClassType] */;
 val* var54 /* : POSet[MClassType] */;
 var_supertypes = p0;
 {
-{ /* Inline model#MClassDef#in_hierarchy (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$in_hierarchy (self) on <self:MClassDef> */
 var2 = self->attrs[COLOR_nitc__model__MClassDef___in_hierarchy].val; /* _in_hierarchy on <self:MClassDef> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -5513,10 +6515,10 @@ var3 = 1; /* is null */
 var3 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var,((val*)NULL)) on <var:nullable POSetElement[MClassDef]> */
+{ /* Inline kernel$Object$== (var,((val*)NULL)) on <var:nullable POSetElement[MClassDef]> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable POSetElement[MClassDef](POSetElement[MClassDef])> */
+{ /* Inline kernel$Object$is_same_instance (var,var_other) on <var:nullable POSetElement[MClassDef](POSetElement[MClassDef])> */
 var8 = var == var_other;
 var6 = var8;
 goto RET_LABEL7;
@@ -5530,16 +6532,22 @@ RET_LABEL5:(void)0;
 var3 = var4;
 }
 if (unlikely(!var3)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert \'unique_invocation\' failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 660);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 676);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
 var11 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var9 = var11;
@@ -5548,11 +6556,14 @@ RET_LABEL10:(void)0;
 }
 var_mmodule = var9;
 {
-{ /* Inline mmodule#MModule#model (var_mmodule) on <var_mmodule:MModule> */
+{ /* Inline mmodule$MModule$model (var_mmodule) on <var_mmodule:MModule> */
 var14 = var_mmodule->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var_mmodule:MModule> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var12 = var14;
@@ -5561,11 +6572,14 @@ RET_LABEL13:(void)0;
 }
 var_model = var12;
 {
-{ /* Inline model#MClassDef#bound_mtype (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$bound_mtype (self) on <self:MClassDef> */
 var17 = self->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <self:MClassDef> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _bound_mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 579);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 594);
 fatal_exit(1);
 }
 var15 = var17;
@@ -5591,11 +6605,14 @@ var21 = ((val*(*)(val* self))((((long)var_19&3)?class_info[((long)var_19&3)]:var
 }
 var_supertype = var21;
 {
-{ /* Inline model#MClassDef#supertypes (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$supertypes (self) on <self:MClassDef> */
 var24 = self->attrs[COLOR_nitc__model__MClassDef___supertypes].val; /* _supertypes on <self:MClassDef> */
 if (unlikely(var24 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _supertypes");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 650);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 666);
 fatal_exit(1);
 }
 var22 = var24;
@@ -5603,14 +6620,17 @@ RET_LABEL23:(void)0;
 }
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var22, var_supertype); /* Direct call array#Array#add on <var22:Array[MClassType]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var22, var_supertype); /* Direct call array$Array$add on <var22:Array[MClassType]>*/
 }
 {
-{ /* Inline model#Model#full_mtype_specialization_hierarchy (var_model) on <var_model:Model> */
+{ /* Inline model$Model$full_mtype_specialization_hierarchy (var_model) on <var_model:Model> */
 var27 = var_model->attrs[COLOR_nitc__model__Model___full_mtype_specialization_hierarchy].val; /* _full_mtype_specialization_hierarchy on <var_model:Model> */
 if (unlikely(var27 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _full_mtype_specialization_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 57);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 66);
 fatal_exit(1);
 }
 var25 = var27;
@@ -5618,14 +6638,17 @@ RET_LABEL26:(void)0;
 }
 }
 {
-poset___poset__POSet___add_edge(var25, var_mtype, var_supertype); /* Direct call poset#POSet#add_edge on <var25:POSet[MClassType]>*/
+poset___poset__POSet___add_edge(var25, var_mtype, var_supertype); /* Direct call poset$POSet$add_edge on <var25:POSet[MClassType]>*/
 }
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var31 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var31 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
 var29 = var31;
@@ -5633,11 +6656,14 @@ RET_LABEL30:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var29) on <var29:MClass> */
+{ /* Inline model$MClass$intro_mmodule (var29) on <var29:MClass> */
 var34 = var29->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var29:MClass> */
 if (unlikely(var34 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var32 = var34;
@@ -5645,10 +6671,10 @@ RET_LABEL33:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var32,var_mmodule) on <var32:MModule> */
+{ /* Inline kernel$Object$== (var32,var_mmodule) on <var32:MModule> */
 var_other = var_mmodule;
 {
-{ /* Inline kernel#Object#is_same_instance (var32,var_other) on <var32:MModule> */
+{ /* Inline kernel$Object$is_same_instance (var32,var_other) on <var32:MModule> */
 var39 = var32 == var_other;
 var37 = var39;
 goto RET_LABEL38;
@@ -5663,11 +6689,14 @@ RET_LABEL36:(void)0;
 var_40 = var35;
 if (var35){
 {
-{ /* Inline model#MClassType#mclass (var_supertype) on <var_supertype:MClassType> */
+{ /* Inline model$MClassType$mclass (var_supertype) on <var_supertype:MClassType> */
 var43 = var_supertype->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_supertype:MClassType> */
 if (unlikely(var43 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var41 = var43;
@@ -5675,11 +6704,14 @@ RET_LABEL42:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var41) on <var41:MClass> */
+{ /* Inline model$MClass$intro_mmodule (var41) on <var41:MClass> */
 var46 = var41->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var41:MClass> */
 if (unlikely(var46 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var44 = var46;
@@ -5687,10 +6719,10 @@ RET_LABEL45:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var44,var_mmodule) on <var44:MModule> */
+{ /* Inline kernel$Object$== (var44,var_mmodule) on <var44:MModule> */
 var_other = var_mmodule;
 {
-{ /* Inline kernel#Object#is_same_instance (var44,var_other) on <var44:MModule> */
+{ /* Inline kernel$Object$is_same_instance (var44,var_other) on <var44:MModule> */
 var51 = var44 == var_other;
 var49 = var51;
 goto RET_LABEL50;
@@ -5708,11 +6740,14 @@ var28 = var_40;
 }
 if (var28){
 {
-{ /* Inline model#Model#intro_mtype_specialization_hierarchy (var_model) on <var_model:Model> */
+{ /* Inline model$Model$intro_mtype_specialization_hierarchy (var_model) on <var_model:Model> */
 var54 = var_model->attrs[COLOR_nitc__model__Model___intro_mtype_specialization_hierarchy].val; /* _intro_mtype_specialization_hierarchy on <var_model:Model> */
 if (unlikely(var54 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mtype_specialization_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 46);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 55);
 fatal_exit(1);
 }
 var52 = var54;
@@ -5720,7 +6755,7 @@ RET_LABEL53:(void)0;
 }
 }
 {
-poset___poset__POSet___add_edge(var52, var_mtype, var_supertype); /* Direct call poset#POSet#add_edge on <var52:POSet[MClassType]>*/
+poset___poset__POSet___add_edge(var52, var_mtype, var_supertype); /* Direct call poset$POSet$add_edge on <var52:POSet[MClassType]>*/
 }
 } else {
 }
@@ -5734,7 +6769,7 @@ BREAK_label: (void)0;
 }
 RET_LABEL:;
 }
-/* method model#MClassDef#add_in_hierarchy for (self: MClassDef) */
+/* method model$MClassDef$add_in_hierarchy for (self: MClassDef) */
 void nitc___nitc__MClassDef___add_in_hierarchy(val* self) {
 val* var /* : nullable POSetElement[MClassDef] */;
 val* var2 /* : nullable POSetElement[MClassDef] */;
@@ -5767,7 +6802,7 @@ val* var_mclassdef /* var mclassdef: MClassDef */;
 val* var31 /* : POSet[nullable Object] */;
 val* var33 /* : POSet[nullable Object] */;
 {
-{ /* Inline model#MClassDef#in_hierarchy (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$in_hierarchy (self) on <self:MClassDef> */
 var2 = self->attrs[COLOR_nitc__model__MClassDef___in_hierarchy].val; /* _in_hierarchy on <self:MClassDef> */
 var = var2;
 RET_LABEL1:(void)0;
@@ -5779,10 +6814,10 @@ var3 = 1; /* is null */
 var3 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var,((val*)NULL)) on <var:nullable POSetElement[MClassDef]> */
+{ /* Inline kernel$Object$== (var,((val*)NULL)) on <var:nullable POSetElement[MClassDef]> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable POSetElement[MClassDef](POSetElement[MClassDef])> */
+{ /* Inline kernel$Object$is_same_instance (var,var_other) on <var:nullable POSetElement[MClassDef](POSetElement[MClassDef])> */
 var8 = var == var_other;
 var6 = var8;
 goto RET_LABEL7;
@@ -5796,16 +6831,22 @@ RET_LABEL5:(void)0;
 var3 = var4;
 }
 if (unlikely(!var3)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert \'unique_invocation\' failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 685);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 701);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
 var11 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var9 = var11;
@@ -5813,11 +6854,14 @@ RET_LABEL10:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var9) on <var9:MModule> */
+{ /* Inline mmodule$MModule$model (var9) on <var9:MModule> */
 var14 = var9->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var9:MModule> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var12 = var14;
@@ -5826,11 +6870,14 @@ RET_LABEL13:(void)0;
 }
 var_model = var12;
 {
-{ /* Inline model#Model#mclassdef_hierarchy (var_model) on <var_model:Model> */
+{ /* Inline model$Model$mclassdef_hierarchy (var_model) on <var_model:Model> */
 var17 = var_model->attrs[COLOR_nitc__model__Model___mclassdef_hierarchy].val; /* _mclassdef_hierarchy on <var_model:Model> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdef_hierarchy");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 40);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 49);
 fatal_exit(1);
 }
 var15 = var17;
@@ -5842,17 +6889,20 @@ var18 = poset___poset__POSet___add_node(var15, self);
 }
 var_res = var18;
 {
-{ /* Inline model#MClassDef#in_hierarchy= (self,var_res) on <self:MClassDef> */
+{ /* Inline model$MClassDef$in_hierarchy= (self,var_res) on <self:MClassDef> */
 self->attrs[COLOR_nitc__model__MClassDef___in_hierarchy].val = var_res; /* _in_hierarchy on <self:MClassDef> */
 RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#bound_mtype (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$bound_mtype (self) on <self:MClassDef> */
 var22 = self->attrs[COLOR_nitc__model__MClassDef___bound_mtype].val; /* _bound_mtype on <self:MClassDef> */
 if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _bound_mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 579);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 594);
 fatal_exit(1);
 }
 var20 = var22;
@@ -5861,11 +6911,14 @@ RET_LABEL21:(void)0;
 }
 var_mtype = var20;
 {
-{ /* Inline model#MClassDef#mmodule (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (self) on <self:MClassDef> */
 var25 = self->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <self:MClassDef> */
 if (unlikely(var25 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var23 = var25;
@@ -5893,11 +6946,14 @@ var30 = ((val*(*)(val* self))((((long)var_28&3)?class_info[((long)var_28&3)]:var
 }
 var_mclassdef = var30;
 {
-{ /* Inline poset#POSetElement#poset (var_res) on <var_res:POSetElement[MClassDef]> */
+{ /* Inline poset$POSetElement$poset (var_res) on <var_res:POSetElement[MClassDef]> */
 var33 = var_res->attrs[COLOR_poset__POSetElement___poset].val; /* _poset on <var_res:POSetElement[MClassDef]> */
 if (unlikely(var33 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _poset");
-PRINT_ERROR(" (%s:%d)\n", FILE_poset, 400);
+PRINT_ERROR(" (%s:%d)\n", FILE_poset, 526);
 fatal_exit(1);
 }
 var31 = var33;
@@ -5905,7 +6961,7 @@ RET_LABEL32:(void)0;
 }
 }
 {
-poset___poset__POSet___add_edge(var31, self, var_mclassdef); /* Direct call poset#POSet#add_edge on <var31:POSet[nullable Object](POSet[MClassDef])>*/
+poset___poset__POSet___add_edge(var31, self, var_mclassdef); /* Direct call poset$POSet$add_edge on <var31:POSet[nullable Object](POSet[MClassDef])>*/
 }
 {
 ((void(*)(val* self))((((long)var_28&3)?class_info[((long)var_28&3)]:var_28->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_28); /* next on <var_28:Iterator[MClassDef]>*/
@@ -5917,7 +6973,7 @@ BREAK_label: (void)0;
 }
 RET_LABEL:;
 }
-/* method model#MClassDef#in_hierarchy for (self: MClassDef): nullable POSetElement[MClassDef] */
+/* method model$MClassDef$in_hierarchy for (self: MClassDef): nullable POSetElement[MClassDef] */
 val* nitc___nitc__MClassDef___in_hierarchy(val* self) {
 val* var /* : nullable POSetElement[MClassDef] */;
 val* var1 /* : nullable POSetElement[MClassDef] */;
@@ -5926,12 +6982,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#in_hierarchy= for (self: MClassDef, nullable POSetElement[MClassDef]) */
+/* method model$MClassDef$in_hierarchy= for (self: MClassDef, nullable POSetElement[MClassDef]) */
 void nitc___nitc__MClassDef___in_hierarchy_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassDef___in_hierarchy].val = p0; /* _in_hierarchy on <self:MClassDef> */
 RET_LABEL:;
 }
-/* method model#MClassDef#is_intro for (self: MClassDef): Bool */
+/* method model$MClassDef$is_intro for (self: MClassDef): Bool */
 short int nitc___nitc__MClassDef___is_intro(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -5948,11 +7004,14 @@ val* var_other /* var other: nullable Object */;
 short int var14 /* : Bool */;
 short int var16 /* : Bool */;
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var4 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var4 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
 var2 = var4;
@@ -5963,11 +7022,14 @@ var5 = var2->attrs[COLOR_nitc__model__MClass___intro].val != NULL; /* _intro on
 var_ = var5;
 if (var5){
 {
-{ /* Inline model#MClassDef#mclass (self) on <self:MClassDef> */
+{ /* Inline model$MClassDef$mclass (self) on <self:MClassDef> */
 var8 = self->attrs[COLOR_nitc__model__MClassDef___mclass].val; /* _mclass on <self:MClassDef> */
 if (unlikely(var8 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 576);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 591);
 fatal_exit(1);
 }
 var6 = var8;
@@ -5975,11 +7037,14 @@ RET_LABEL7:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro (var6) on <var6:MClass> */
+{ /* Inline model$MClass$intro (var6) on <var6:MClass> */
 var11 = var6->attrs[COLOR_nitc__model__MClass___intro].val; /* _intro on <var6:MClass> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 483);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 496);
 fatal_exit(1);
 }
 var9 = var11;
@@ -5987,10 +7052,10 @@ RET_LABEL10:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var9,self) on <var9:MClassDef> */
+{ /* Inline kernel$Object$== (var9,self) on <var9:MClassDef> */
 var_other = self;
 {
-{ /* Inline kernel#Object#is_same_instance (var9,var_other) on <var9:MClassDef> */
+{ /* Inline kernel$Object$is_same_instance (var9,var_other) on <var9:MClassDef> */
 var16 = var9 == var_other;
 var14 = var16;
 goto RET_LABEL15;
@@ -6011,35 +7076,58 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#intro_mproperties for (self: MClassDef): Array[MProperty] */
+/* method model$MClassDef$intro_mproperties for (self: MClassDef): Array[MProperty] */
 val* nitc___nitc__MClassDef___intro_mproperties(val* self) {
 val* var /* : Array[MProperty] */;
 val* var1 /* : Array[MProperty] */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___intro_mproperties].val; /* _intro_mproperties on <self:MClassDef> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mproperties");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 704);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 720);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassDef#mpropdefs for (self: MClassDef): Array[MPropDef] */
+/* method model$MClassDef$mpropdefs for (self: MClassDef): Array[MPropDef] */
 val* nitc___nitc__MClassDef___mpropdefs(val* self) {
 val* var /* : Array[MPropDef] */;
 val* var1 /* : Array[MPropDef] */;
 var1 = self->attrs[COLOR_nitc__model__MClassDef___mpropdefs].val; /* _mpropdefs on <self:MClassDef> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mpropdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 707);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 723);
+fatal_exit(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method model$MClassDef$mpropdefs_by_property for (self: MClassDef): HashMap[MProperty, MPropDef] */
+val* nitc___nitc__MClassDef___mpropdefs_by_property(val* self) {
+val* var /* : HashMap[MProperty, MPropDef] */;
+val* var1 /* : HashMap[MProperty, MPropDef] */;
+var1 = self->attrs[COLOR_nitc__model__MClassDef___mpropdefs_by_property].val; /* _mpropdefs_by_property on <self:MClassDef> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mpropdefs_by_property");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 726);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#name for (self: MType): String */
+/* method model$MType$name for (self: MType): String */
 val* nitc___nitc__MType___nitc__model_base__MEntity__name(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
@@ -6051,7 +7139,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#is_subtype for (self: MType, MModule, nullable MClassType, MType): Bool */
+/* method model$MType$is_subtype for (self: MType, MModule, nullable MClassType, MType): Bool */
 short int nitc___nitc__MType___is_subtype(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -6134,114 +7222,136 @@ short int var80 /* : Bool */;
 int cltype81;
 int idtype82;
 short int var83 /* : Bool */;
-int cltype84;
-int idtype85;
-short int var86 /* : Bool */;
-int cltype87;
-int idtype88;
-val* var89 /* : Sys */;
-val* var90 /* : NativeArray[String] */;
+short int var84 /* : Bool */;
+int cltype85;
+int idtype86;
+short int var_87 /* var : Bool */;
+short int var88 /* : Bool */;
+int cltype89;
+int idtype90;
+short int var91 /* : Bool */;
+int cltype92;
+int idtype93;
+val* var94 /* : Sys */;
+val* var95 /* : NativeArray[String] */;
 static val* varonce;
-static val* varonce91;
-val* var92 /* : String */;
-char* var93 /* : NativeString */;
-val* var94 /* : String */;
-val* var95 /* : String */;
-val* var96 /* : String */;
+static val* varonce96;
 val* var97 /* : String */;
-short int var98 /* : Bool */;
-short int var99 /* : Bool */;
-short int var100 /* : Bool */;
-int cltype101;
-int idtype102;
-short int var_103 /* var : Bool */;
-short int var104 /* : Bool */;
-int cltype105;
-int idtype106;
-short int var_107 /* var : Bool */;
+char* var98 /* : CString */;
+val* var99 /* : String */;
+val* var100 /* : nullable Int */;
+val* var101 /* : nullable Int */;
+val* var102 /* : nullable Bool */;
+val* var103 /* : nullable Bool */;
+val* var104 /* : String */;
+val* var105 /* : String */;
+val* var106 /* : String */;
+short int var107 /* : Bool */;
 short int var108 /* : Bool */;
-int cltype109;
-int idtype110;
-short int var111 /* : Bool */;
-int cltype112;
-int idtype113;
-val* var114 /* : Sys */;
-val* var116 /* : NativeArray[String] */;
-static val* varonce115;
-static val* varonce117;
-val* var118 /* : String */;
-char* var119 /* : NativeString */;
-val* var120 /* : String */;
-static val* varonce121;
-val* var122 /* : String */;
-char* var123 /* : NativeString */;
-val* var124 /* : String */;
-val* var125 /* : String */;
-val* var126 /* : String */;
-val* var127 /* : String */;
-short int var128 /* : Bool */;
-short int var130 /* : Bool */;
-short int var132 /* : Bool */;
-short int var133 /* : Bool */;
-short int var134 /* : Bool */;
-short int var136 /* : Bool */;
-short int var138 /* : Bool */;
-val* var139 /* : MClassType */;
+short int var109 /* : Bool */;
+short int var110 /* : Bool */;
+int cltype111;
+int idtype112;
+short int var_113 /* var : Bool */;
+short int var114 /* : Bool */;
+int cltype115;
+int idtype116;
+short int var_117 /* var : Bool */;
+short int var118 /* : Bool */;
+int cltype119;
+int idtype120;
+short int var_121 /* var : Bool */;
+short int var122 /* : Bool */;
+int cltype123;
+int idtype124;
+short int var125 /* : Bool */;
+int cltype126;
+int idtype127;
+val* var128 /* : Sys */;
+val* var130 /* : NativeArray[String] */;
+static val* varonce129;
+static val* varonce131;
+val* var132 /* : String */;
+char* var133 /* : CString */;
+val* var134 /* : String */;
+val* var135 /* : nullable Int */;
+val* var136 /* : nullable Int */;
+val* var137 /* : nullable Bool */;
+val* var138 /* : nullable Bool */;
+static val* varonce139;
+val* var140 /* : String */;
+char* var141 /* : CString */;
+val* var142 /* : String */;
+val* var143 /* : nullable Int */;
+val* var144 /* : nullable Int */;
+val* var145 /* : nullable Bool */;
+val* var146 /* : nullable Bool */;
+val* var147 /* : String */;
+val* var148 /* : String */;
+val* var149 /* : String */;
+short int var150 /* : Bool */;
+short int var152 /* : Bool */;
+short int var154 /* : Bool */;
+short int var155 /* : Bool */;
+short int var156 /* : Bool */;
+short int var158 /* : Bool */;
+short int var160 /* : Bool */;
+val* var161 /* : MClassType */;
 val* var_resolved_sub /* var resolved_sub: MClassType */;
-val* var140 /* : Set[MClass] */;
-val* var141 /* : MClass */;
-val* var143 /* : MClass */;
-short int var144 /* : Bool */;
+val* var162 /* : Set[MClass] */;
+val* var163 /* : MClass */;
+val* var165 /* : MClass */;
+short int var166 /* : Bool */;
 short int var_res /* var res: Bool */;
-short int var145 /* : Bool */;
-short int var147 /* : Bool */;
-short int var148 /* : Bool */;
-int cltype149;
-int idtype150;
-short int var151 /* : Bool */;
-val* var152 /* : MClass */;
-val* var154 /* : MClass */;
-val* var155 /* : MClassType */;
+short int var167 /* : Bool */;
+short int var169 /* : Bool */;
+short int var170 /* : Bool */;
+int cltype171;
+int idtype172;
+short int var173 /* : Bool */;
+val* var174 /* : MClass */;
+val* var176 /* : MClass */;
+val* var177 /* : MClassType */;
 val* var_sub2 /* var sub2: MClassType */;
-val* var156 /* : MClass */;
-val* var158 /* : MClass */;
-val* var159 /* : MClass */;
-val* var161 /* : MClass */;
-short int var162 /* : Bool */;
-short int var164 /* : Bool */;
-short int var166 /* : Bool */;
+val* var178 /* : MClass */;
+val* var180 /* : MClass */;
+val* var181 /* : MClass */;
+val* var183 /* : MClass */;
+short int var184 /* : Bool */;
+short int var186 /* : Bool */;
+short int var188 /* : Bool */;
 long var_i /* var i: Int */;
-val* var167 /* : MClass */;
-val* var169 /* : MClass */;
-long var170 /* : Int */;
-long var172 /* : Int */;
-long var_173 /* var : Int */;
-short int var174 /* : Bool */;
-short int var176 /* : Bool */;
-int cltype177;
-int idtype178;
+val* var189 /* : MClass */;
+val* var191 /* : MClass */;
+long var192 /* : Int */;
+long var194 /* : Int */;
+long var_195 /* var : Int */;
+short int var196 /* : Bool */;
+short int var198 /* : Bool */;
+int cltype199;
+int idtype200;
 const char* var_class_name;
-short int var179 /* : Bool */;
-val* var181 /* : Array[MType] */;
-val* var182 /* : nullable Object */;
+short int var201 /* : Bool */;
+val* var203 /* : Array[MType] */;
+val* var204 /* : nullable Object */;
 val* var_sub_arg /* var sub_arg: MType */;
-val* var183 /* : Array[MType] */;
-val* var185 /* : Array[MType] */;
-val* var186 /* : nullable Object */;
+val* var205 /* : Array[MType] */;
+val* var207 /* : Array[MType] */;
+val* var208 /* : nullable Object */;
 val* var_sup_arg /* var sup_arg: MType */;
-short int var187 /* : Bool */;
-short int var188 /* : Bool */;
-short int var190 /* : Bool */;
-long var191 /* : Int */;
+short int var209 /* : Bool */;
+short int var210 /* : Bool */;
+short int var212 /* : Bool */;
+long var213 /* : Int */;
 var_mmodule = p0;
 var_anchor = p1;
 var_sup = p2;
 var_sub = self;
 {
-{ /* Inline kernel#Object#== (var_sub,var_sup) on <var_sub:MType> */
+{ /* Inline kernel$Object$== (var_sub,var_sup) on <var_sub:MType> */
 var_other = var_sup;
 {
-{ /* Inline kernel#Object#is_same_instance (var_sub,var_other) on <var_sub:MType> */
+{ /* Inline kernel$Object$is_same_instance (var_sub,var_other) on <var_sub:MType> */
 var5 = var_sub == var_other;
 var3 = var5;
 goto RET_LABEL4;
@@ -6264,10 +7374,10 @@ var6 = 1; /* is null */
 var6 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
+{ /* Inline kernel$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)> */
 var11 = var_anchor == var_other;
 var9 = var11;
 goto RET_LABEL10;
@@ -6286,8 +7396,11 @@ var12 = ((short int(*)(val* self))(var_sub->class->vft[COLOR_nitc__model__MType_
 }
 var13 = !var12;
 if (unlikely(!var13)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 756);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 775);
 fatal_exit(1);
 }
 {
@@ -6295,8 +7408,11 @@ var14 = ((short int(*)(val* self))(var_sup->class->vft[COLOR_nitc__model__MType_
 }
 var15 = !var14;
 if (unlikely(!var15)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 757);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 776);
 fatal_exit(1);
 }
 } else {
@@ -6304,8 +7420,11 @@ fatal_exit(1);
 var16 = ((short int(*)(val* self, val* p0, val* p1, val* p2))(var_sub->class->vft[COLOR_nitc__model__MType__can_resolve_for]))(var_sub, var_anchor, ((val*)NULL), var_mmodule); /* can_resolve_for on <var_sub:MType>*/
 }
 if (unlikely(!var16)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 760);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 779);
 fatal_exit(1);
 }
 {
@@ -6316,8 +7435,11 @@ var_sub = var17;
 var18 = ((short int(*)(val* self, val* p0, val* p1, val* p2))(var_sup->class->vft[COLOR_nitc__model__MType__can_resolve_for]))(var_sup, var_anchor, ((val*)NULL), var_mmodule); /* can_resolve_for on <var_sup:MType>*/
 }
 if (unlikely(!var18)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 762);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 781);
 fatal_exit(1);
 }
 {
@@ -6337,11 +7459,14 @@ var20 = var_sup->type->type_table[cltype] == idtype;
 if (var20){
 var_sup_accept_null = 1;
 {
-{ /* Inline model#MProxyType#mtype (var_sup) on <var_sup:MType(MNullableType)> */
+{ /* Inline model$MProxyType$mtype (var_sup) on <var_sup:MType(MNullableType)> */
 var23 = var_sup->attrs[COLOR_nitc__model__MProxyType___mtype].val; /* _mtype on <var_sup:MType(MNullableType)> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1625);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1689);
 fatal_exit(1);
 }
 var21 = var23;
@@ -6360,11 +7485,14 @@ var24 = var_sup->type->type_table[cltype25] == idtype26;
 }
 if (var24){
 {
-{ /* Inline model#MProxyType#mtype (var_sup) on <var_sup:MType(MNotNullType)> */
+{ /* Inline model$MProxyType$mtype (var_sup) on <var_sup:MType(MNotNullType)> */
 var29 = var_sup->attrs[COLOR_nitc__model__MProxyType___mtype].val; /* _mtype on <var_sup:MType(MNotNullType)> */
 if (unlikely(var29 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1625);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1689);
 fatal_exit(1);
 }
 var27 = var29;
@@ -6404,11 +7532,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MProxyType#mtype (var_sub) on <var_sub:MType(MNullableType)> */
+{ /* Inline model$MProxyType$mtype (var_sub) on <var_sub:MType(MNullableType)> */
 var39 = var_sub->attrs[COLOR_nitc__model__MProxyType___mtype].val; /* _mtype on <var_sub:MType(MNullableType)> */
 if (unlikely(var39 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1625);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1689);
 fatal_exit(1);
 }
 var37 = var39;
@@ -6428,11 +7559,14 @@ var40 = var_sub->type->type_table[cltype41] == idtype42;
 if (var40){
 var_sub_reject_null = 1;
 {
-{ /* Inline model#MProxyType#mtype (var_sub) on <var_sub:MType(MNotNullType)> */
+{ /* Inline model$MProxyType$mtype (var_sub) on <var_sub:MType(MNotNullType)> */
 var45 = var_sub->attrs[COLOR_nitc__model__MProxyType___mtype].val; /* _mtype on <var_sub:MType(MNotNullType)> */
 if (unlikely(var45 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1625);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1689);
 fatal_exit(1);
 }
 var43 = var45;
@@ -6467,10 +7601,10 @@ var49 = var_sub->type->type_table[cltype50] == idtype51;
 }
 if (var49){
 {
-{ /* Inline kernel#Object#== (var_sub,var_sup) on <var_sub:MType(MFormalType)> */
+{ /* Inline kernel$Object$== (var_sub,var_sup) on <var_sub:MType(MFormalType)> */
 var_other = var_sup;
 {
-{ /* Inline kernel#Object#is_same_instance (var_sub,var_other) on <var_sub:MType(MFormalType)> */
+{ /* Inline kernel$Object$is_same_instance (var_sub,var_other) on <var_sub:MType(MFormalType)> */
 var56 = var_sub == var_other;
 var54 = var56;
 goto RET_LABEL55;
@@ -6493,7 +7627,7 @@ var57 = 0; /* is null */
 var57 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
+{ /* Inline kernel$Object$!= (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
 var_other60 = ((val*)NULL);
 {
 var61 = ((short int(*)(val* self, val* p0))(var_anchor->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_anchor, var_other60); /* == on <var_anchor:nullable MClassType(MClassType)>*/
@@ -6506,8 +7640,11 @@ RET_LABEL59:(void)0;
 var57 = var58;
 }
 if (unlikely(!var57)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 800);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 819);
 fatal_exit(1);
 }
 {
@@ -6544,11 +7681,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MProxyType#mtype (var_sub) on <var_sub:MType(MNullableType)> */
+{ /* Inline model$MProxyType$mtype (var_sub) on <var_sub:MType(MNullableType)> */
 var73 = var_sub->attrs[COLOR_nitc__model__MProxyType___mtype].val; /* _mtype on <var_sub:MType(MNullableType)> */
 if (unlikely(var73 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mtype");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1625);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1689);
 fatal_exit(1);
 }
 var71 = var73;
@@ -6568,11 +7708,14 @@ var74 = var_sub->type->type_table[cltype75] == idtype76;
 if (var74){
 var_sub_reject_null = 1;
 {
-{ /* Inline model#MProxyType#mtype (var_sub) on <var_sub:MType(MNotNullType)> */
+{ /* Inline model$MProxyType$mtype (var_sub) on <var_sub:MType(MNotNullType)> */
 var79 = var_sub->attrs[COLOR_nitc__model__MProxyType___mtype].val; /* _mtype on <var_sub:MType(MNotNullType)> */
 if (unlikely(var79 == 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, 1625);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1689);
 fatal_exit(1);
 }
 var77 = var79;
@@ -6602,12 +7745,26 @@ goto BREAK_label;
 }
 BREAK_label: (void)0;
 /* <var_sub:MType> isa MBottomType */
-cltype84 = type_nitc__MBottomType.color;
-idtype85 = type_nitc__MBottomType.id;
-if(cltype84 >= var_sub->type->table_size) {
-var83 = 0;
+cltype85 = type_nitc__MBottomType.color;
+idtype86 = type_nitc__MBottomType.id;
+if(cltype85 >= var_sub->type->table_size) {
+var84 = 0;
+} else {
+var84 = var_sub->type->type_table[cltype85] == idtype86;
+}
+var_87 = var84;
+if (var84){
+var83 = var_87;
+} else {
+/* <var_sub:MType> isa MErrorType */
+cltype89 = type_nitc__MErrorType.color;
+idtype90 = type_nitc__MErrorType.id;
+if(cltype89 >= var_sub->type->table_size) {
+var88 = 0;
 } else {
-var83 = var_sub->type->type_table[cltype84] == idtype85;
+var88 = var_sub->type->type_table[cltype89] == idtype90;
+}
+var83 = var88;
 }
 if (var83){
 var = 1;
@@ -6615,396 +7772,449 @@ goto RET_LABEL;
 } else {
 }
 /* <var_sub:MType> isa MClassType */
-cltype87 = type_nitc__MClassType.color;
-idtype88 = type_nitc__MClassType.id;
-if(cltype87 >= var_sub->type->table_size) {
-var86 = 0;
+cltype92 = type_nitc__MClassType.color;
+idtype93 = type_nitc__MClassType.id;
+if(cltype92 >= var_sub->type->table_size) {
+var91 = 0;
 } else {
-var86 = var_sub->type->type_table[cltype87] == idtype88;
+var91 = var_sub->type->type_table[cltype92] == idtype93;
 }
-if (unlikely(!var86)) {
-var89 = glob_sys;
+if (unlikely(!var91)) {
+var94 = glob_sys;
 if (unlikely(varonce==NULL)) {
-var90 = NEW_core__NativeArray(3l, &type_core__NativeArray__core__String);
-if (likely(varonce91!=NULL)) {
-var92 = varonce91;
-} else {
-var93 = " <? ";
-var94 = core__flat___NativeString___to_s_full(var93, 4l, 4l);
-var92 = var94;
-varonce91 = var92;
-}
-((struct instance_core__NativeArray*)var90)->values[1]=var92;
-} else {
-var90 = varonce;
+var95 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce96!=NULL)) {
+var97 = varonce96;
+} else {
+var98 = " <? ";
+var100 = (val*)(4l<<2|1);
+var101 = (val*)(4l<<2|1);
+var102 = (val*)((long)(0)<<2|3);
+var103 = (val*)((long)(0)<<2|3);
+var99 = core__flat___CString___to_s_unsafe(var98, var100, var101, var102, var103);
+var97 = var99;
+varonce96 = var97;
+}
+((struct instance_core__NativeArray*)var95)->values[1]=var97;
+} else {
+var95 = varonce;
 varonce = NULL;
 }
 {
-var95 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:MType>*/
+var104 = ((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*)var90)->values[0]=var95;
+((struct instance_core__NativeArray*)var95)->values[0]=var104;
 {
-var96 = ((val*(*)(val* self))(var_sub->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sub); /* to_s on <var_sub:MType>*/
+var105 = ((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*)var90)->values[2]=var96;
+((struct instance_core__NativeArray*)var95)->values[2]=var105;
 {
-var97 = ((val*(*)(val* self))(var90->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var90); /* native_to_s on <var90:NativeArray[String]>*/
+var106 = ((val*(*)(val* self))(var95->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var95); /* native_to_s on <var95:NativeArray[String]>*/
 }
-varonce = var90;
+varonce = var95;
 {
-core__file___Sys___print(var89, var97); /* Direct call file#Sys#print on <var89:Sys>*/
+core__file___Sys___print_error(var94, var106); /* Direct call file$Sys$print_error on <var94:Sys>*/
+}
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 823);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 842);
 fatal_exit(1);
 }
 /* <var_sup:MType> isa MFormalType */
-cltype101 = type_nitc__MFormalType.color;
-idtype102 = type_nitc__MFormalType.id;
-if(cltype101 >= var_sup->type->table_size) {
-var100 = 0;
+cltype111 = type_nitc__MFormalType.color;
+idtype112 = type_nitc__MFormalType.id;
+if(cltype111 >= var_sup->type->table_size) {
+var110 = 0;
 } else {
-var100 = var_sup->type->type_table[cltype101] == idtype102;
+var110 = var_sup->type->type_table[cltype111] == idtype112;
 }
-var_103 = var100;
-if (var100){
-var99 = var_103;
+var_113 = var110;
+if (var110){
+var109 = var_113;
 } else {
 /* <var_sup:MType> isa MNullType */
-cltype105 = type_nitc__MNullType.color;
-idtype106 = type_nitc__MNullType.id;
-if(cltype105 >= var_sup->type->table_size) {
-var104 = 0;
+cltype115 = type_nitc__MNullType.color;
+idtype116 = type_nitc__MNullType.id;
+if(cltype115 >= var_sup->type->table_size) {
+var114 = 0;
 } else {
-var104 = var_sup->type->type_table[cltype105] == idtype106;
+var114 = var_sup->type->type_table[cltype115] == idtype116;
 }
-var99 = var104;
+var109 = var114;
 }
-var_107 = var99;
-if (var99){
-var98 = var_107;
+var_117 = var109;
+if (var109){
+var108 = var_117;
 } else {
 /* <var_sup:MType> isa MBottomType */
-cltype109 = type_nitc__MBottomType.color;
-idtype110 = type_nitc__MBottomType.id;
-if(cltype109 >= var_sup->type->table_size) {
-var108 = 0;
+cltype119 = type_nitc__MBottomType.color;
+idtype120 = type_nitc__MBottomType.id;
+if(cltype119 >= var_sup->type->table_size) {
+var118 = 0;
 } else {
-var108 = var_sup->type->type_table[cltype109] == idtype110;
+var118 = var_sup->type->type_table[cltype119] == idtype120;
 }
-var98 = var108;
+var108 = var118;
 }
-if (var98){
+var_121 = var108;
+if (var108){
+var107 = var_121;
+} else {
+/* <var_sup:MType> isa MErrorType */
+cltype123 = type_nitc__MErrorType.color;
+idtype124 = type_nitc__MErrorType.id;
+if(cltype123 >= var_sup->type->table_size) {
+var122 = 0;
+} else {
+var122 = var_sup->type->type_table[cltype123] == idtype124;
+}
+var107 = var122;
+}
+if (var107){
 var = 0;
 goto RET_LABEL;
 } else {
 }
 /* <var_sup:MType> isa MClassType */
-cltype112 = type_nitc__MClassType.color;
-idtype113 = type_nitc__MClassType.id;
-if(cltype112 >= var_sup->type->table_size) {
-var111 = 0;
-} else {
-var111 = var_sup->type->type_table[cltype112] == idtype113;
-}
-if (unlikely(!var111)) {
-var114 = glob_sys;
-if (unlikely(varonce115==NULL)) {
-var116 = NEW_core__NativeArray(4l, &type_core__NativeArray__core__String);
-if (likely(varonce117!=NULL)) {
-var118 = varonce117;
-} else {
-var119 = "got ";
-var120 = core__flat___NativeString___to_s_full(var119, 4l, 4l);
-var118 = var120;
-varonce117 = var118;
-}
-((struct instance_core__NativeArray*)var116)->values[0]=var118;
-if (likely(varonce121!=NULL)) {
-var122 = varonce121;
-} else {
-var123 = " ";
-var124 = core__flat___NativeString___to_s_full(var123, 1l, 1l);
-var122 = var124;
-varonce121 = var122;
+cltype126 = type_nitc__MClassType.color;
+idtype127 = type_nitc__MClassType.id;
+if(cltype126 >= var_sup->type->table_size) {
+var125 = 0;
+} else {
+var125 = var_sup->type->type_table[cltype126] == idtype127;
+}
+if (unlikely(!var125)) {
+var128 = glob_sys;
+if (unlikely(varonce129==NULL)) {
+var130 = NEW_core__NativeArray((int)4l, &type_core__NativeArray__core__String);
+if (likely(varonce131!=NULL)) {
+var132 = varonce131;
+} else {
+var133 = "got ";
+var135 = (val*)(4l<<2|1);
+var136 = (val*)(4l<<2|1);
+var137 = (val*)((long)(0)<<2|3);
+var138 = (val*)((long)(0)<<2|3);
+var134 = core__flat___CString___to_s_unsafe(var133, var135, var136, var137, var138);
+var132 = var134;
+varonce131 = var132;
 }
-((struct instance_core__NativeArray*)var116)->values[2]=var122;
+((struct instance_core__NativeArray*)var130)->values[0]=var132;
+if (likely(varonce139!=NULL)) {
+var140 = varonce139;
 } else {
-var116 = varonce115;
-varonce115 = NULL;
+var141 = " ";
+var143 = (val*)(1l<<2|1);
+var144 = (val*)(1l<<2|1);
+var145 = (val*)((long)(0)<<2|3);
+var146 = (val*)((long)(0)<<2|3);
+var142 = core__flat___CString___to_s_unsafe(var141, var143, var144, var145, var146);
+var140 = var142;
+varonce139 = var140;
+}
+((struct instance_core__NativeArray*)var130)->values[2]=var140;
+} else {
+var130 = varonce129;
+varonce129 = NULL;
 }
 {
-var125 = ((val*(*)(val* self))(var_sup->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_sup); /* to_s on <var_sup:MType>*/
+var147 = ((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*)var116)->values[1]=var125;
+((struct instance_core__NativeArray*)var130)->values[1]=var147;
 {
-var126 = core__abstract_text___Object___inspect(var_sub);
+var148 = core__abstract_text___Object___inspect(var_sub);
 }
-((struct instance_core__NativeArray*)var116)->values[3]=var126;
+((struct instance_core__NativeArray*)var130)->values[3]=var148;
 {
-var127 = ((val*(*)(val* self))(var116->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var116); /* native_to_s on <var116:NativeArray[String]>*/
+var149 = ((val*(*)(val* self))(var130->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var130); /* native_to_s on <var130:NativeArray[String]>*/
 }
-varonce115 = var116;
+varonce129 = var130;
 {
-core__file___Sys___print(var114, var127); /* Direct call file#Sys#print on <var114:Sys>*/
+core__file___Sys___print_error(var128, var149); /* Direct call file$Sys$print_error on <var128:Sys>*/
+}
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 831);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 850);
 fatal_exit(1);
 }
 {
-{ /* Inline kernel#Object#== (var_sub,var_sup) on <var_sub:MType(MClassType)> */
+{ /* Inline kernel$Object$== (var_sub,var_sup) on <var_sub:MType(MClassType)> */
 var_other = var_sup;
 {
-{ /* Inline kernel#Object#is_same_instance (var_sub,var_other) on <var_sub:MType(MClassType)> */
-var132 = var_sub == var_other;
-var130 = var132;
-goto RET_LABEL131;
-RET_LABEL131:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_sub,var_other) on <var_sub:MType(MClassType)> */
+var154 = var_sub == var_other;
+var152 = var154;
+goto RET_LABEL153;
+RET_LABEL153:(void)0;
 }
 }
-var128 = var130;
-goto RET_LABEL129;
-RET_LABEL129:(void)0;
+var150 = var152;
+goto RET_LABEL151;
+RET_LABEL151:(void)0;
 }
 }
-if (var128){
+if (var150){
 var = 1;
 goto RET_LABEL;
 } else {
 }
 if (var_anchor == NULL) {
-var133 = 1; /* is null */
+var155 = 1; /* is null */
 } else {
-var133 = 0; /* arg is null but recv is not */
+var155 = 0; /* arg is null but recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#== (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
+{ /* Inline kernel$Object$== (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
 var_other = ((val*)NULL);
 {
-{ /* Inline kernel#Object#is_same_instance (var_anchor,var_other) on <var_anchor:nullable MClassType(MClassType)> */
-var138 = var_anchor == var_other;
-var136 = var138;
-goto RET_LABEL137;
-RET_LABEL137:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var_anchor,var_other) on <var_anchor:nullable MClassType(MClassType)> */
+var160 = var_anchor == var_other;
+var158 = var160;
+goto RET_LABEL159;
+RET_LABEL159:(void)0;
 }
 }
-var134 = var136;
-goto RET_LABEL135;
-RET_LABEL135:(void)0;
+var156 = var158;
+goto RET_LABEL157;
+RET_LABEL157:(void)0;
 }
-var133 = var134;
+var155 = var156;
 }
-if (var133){
+if (var155){
 var_anchor = var_sub;
 } else {
 }
 {
-var139 = nitc___nitc__MClassType___MType__anchor_to(var_sub, var_mmodule, var_anchor);
+var161 = nitc___nitc__MClassType___MType__anchor_to(var_sub, var_mmodule, var_anchor);
 }
-var_resolved_sub = var139;
+var_resolved_sub = var161;
 {
-var140 = nitc___nitc__MClassType___MType__collect_mclasses(var_resolved_sub, var_mmodule);
+var162 = nitc___nitc__MClassType___MType__collect_mclasses(var_resolved_sub, var_mmodule);
 }
 {
-{ /* Inline model#MClassType#mclass (var_sup) on <var_sup:MType(MClassType)> */
-var143 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MClassType)> */
-if (unlikely(var143 == NULL)) {
+{ /* Inline model$MClassType$mclass (var_sup) on <var_sup:MType(MClassType)> */
+var165 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MClassType)> */
+if (unlikely(var165 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
-var141 = var143;
-RET_LABEL142:(void)0;
+var163 = var165;
+RET_LABEL164:(void)0;
 }
 }
 {
-var144 = ((short int(*)(val* self, val* p0))((((long)var140&3)?class_info[((long)var140&3)]:var140->class)->vft[COLOR_core__abstract_collection__Collection__has]))(var140, var141); /* has on <var140:Set[MClass]>*/
+var166 = ((short int(*)(val* self, val* p0))((((long)var162&3)?class_info[((long)var162&3)]:var162->class)->vft[COLOR_core__abstract_collection__Collection__has]))(var162, var163); /* has on <var162:Set[MClass]>*/
 }
-var_res = var144;
+var_res = var166;
 {
-{ /* Inline kernel#Bool#== (var_res,0) on <var_res:Bool> */
-var147 = var_res == 0;
-var145 = var147;
-goto RET_LABEL146;
-RET_LABEL146:(void)0;
+{ /* Inline kernel$Bool$== (var_res,0) on <var_res:Bool> */
+var169 = var_res == 0;
+var167 = var169;
+goto RET_LABEL168;
+RET_LABEL168:(void)0;
 }
 }
-if (var145){
+if (var167){
 var = 0;
 goto RET_LABEL;
 } else {
 }
 /* <var_sup:MType(MClassType)> isa MGenericType */
-cltype149 = type_nitc__MGenericType.color;
-idtype150 = type_nitc__MGenericType.id;
-if(cltype149 >= var_sup->type->table_size) {
-var148 = 0;
+cltype171 = type_nitc__MGenericType.color;
+idtype172 = type_nitc__MGenericType.id;
+if(cltype171 >= var_sup->type->table_size) {
+var170 = 0;
 } else {
-var148 = var_sup->type->type_table[cltype149] == idtype150;
+var170 = var_sup->type->type_table[cltype171] == idtype172;
 }
-var151 = !var148;
-if (var151){
+var173 = !var170;
+if (var173){
 var = 1;
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline model#MClassType#mclass (var_sup) on <var_sup:MType(MGenericType)> */
-var154 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MGenericType)> */
-if (unlikely(var154 == NULL)) {
+{ /* Inline model$MClassType$mclass (var_sup) on <var_sup:MType(MGenericType)> */
+var176 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MGenericType)> */
+if (unlikely(var176 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
-var152 = var154;
-RET_LABEL153:(void)0;
+var174 = var176;
+RET_LABEL175:(void)0;
 }
 }
 {
-var155 = nitc___nitc__MType___supertype_to(var_sub, var_mmodule, var_anchor, var152);
+var177 = nitc___nitc__MType___supertype_to(var_sub, var_mmodule, var_anchor, var174);
 }
-var_sub2 = var155;
+var_sub2 = var177;
 {
-{ /* Inline model#MClassType#mclass (var_sub2) on <var_sub2:MClassType> */
-var158 = var_sub2->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sub2:MClassType> */
-if (unlikely(var158 == NULL)) {
+{ /* Inline model$MClassType$mclass (var_sub2) on <var_sub2:MClassType> */
+var180 = var_sub2->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sub2:MClassType> */
+if (unlikely(var180 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
-var156 = var158;
-RET_LABEL157:(void)0;
+var178 = var180;
+RET_LABEL179:(void)0;
 }
 }
 {
-{ /* Inline model#MClassType#mclass (var_sup) on <var_sup:MType(MGenericType)> */
-var161 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MGenericType)> */
-if (unlikely(var161 == NULL)) {
+{ /* Inline model$MClassType$mclass (var_sup) on <var_sup:MType(MGenericType)> */
+var183 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MGenericType)> */
+if (unlikely(var183 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
-var159 = var161;
-RET_LABEL160:(void)0;
+var181 = var183;
+RET_LABEL182:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var156,var159) on <var156:MClass> */
-var_other = var159;
+{ /* Inline kernel$Object$== (var178,var181) on <var178:MClass> */
+var_other = var181;
 {
-{ /* Inline kernel#Object#is_same_instance (var156,var_other) on <var156:MClass> */
-var166 = var156 == var_other;
-var164 = var166;
-goto RET_LABEL165;
-RET_LABEL165:(void)0;
+{ /* Inline kernel$Object$is_same_instance (var178,var_other) on <var178:MClass> */
+var188 = var178 == var_other;
+var186 = var188;
+goto RET_LABEL187;
+RET_LABEL187:(void)0;
 }
 }
-var162 = var164;
-goto RET_LABEL163;
-RET_LABEL163:(void)0;
+var184 = var186;
+goto RET_LABEL185;
+RET_LABEL185:(void)0;
 }
 }
-if (unlikely(!var162)) {
+if (unlikely(!var184)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 843);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 862);
 fatal_exit(1);
 }
 var_i = 0l;
 {
-{ /* Inline model#MClassType#mclass (var_sup) on <var_sup:MType(MGenericType)> */
-var169 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MGenericType)> */
-if (unlikely(var169 == NULL)) {
+{ /* Inline model$MClassType$mclass (var_sup) on <var_sup:MType(MGenericType)> */
+var191 = var_sup->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_sup:MType(MGenericType)> */
+if (unlikely(var191 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
-var167 = var169;
-RET_LABEL168:(void)0;
+var189 = var191;
+RET_LABEL190:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#arity (var167) on <var167:MClass> */
-var172 = var167->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <var167:MClass> */
-var170 = var172;
-RET_LABEL171:(void)0;
+{ /* Inline model$MClass$arity (var189) on <var189:MClass> */
+var194 = var189->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <var189:MClass> */
+var192 = var194;
+RET_LABEL193:(void)0;
 }
 }
-var_173 = var170;
+var_195 = var192;
 for(;;) {
 {
-{ /* Inline kernel#Int#< (var_i,var_173) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var_173:Int> isa OTHER */
-/* <var_173:Int> isa OTHER */
-var176 = 1; /* easy <var_173:Int> isa OTHER*/
-if (unlikely(!var176)) {
+{ /* Inline kernel$Int$< (var_i,var_195) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_195:Int> isa OTHER */
+/* <var_195:Int> isa OTHER */
+var198 = 1; /* easy <var_195:Int> isa OTHER*/
+if (unlikely(!var198)) {
 var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
 fatal_exit(1);
 }
-var179 = var_i < var_173;
-var174 = var179;
-goto RET_LABEL175;
-RET_LABEL175:(void)0;
+var201 = var_i < var_195;
+var196 = var201;
+goto RET_LABEL197;
+RET_LABEL197:(void)0;
 }
 }
-if (var174){
+if (var196){
 } else {
-goto BREAK_label180;
+goto BREAK_label202;
 }
 {
-var181 = ((val*(*)(val* self))(var_sub2->class->vft[COLOR_nitc__model__MClassType__arguments]))(var_sub2); /* arguments on <var_sub2:MClassType>*/
+var203 = ((val*(*)(val* self))(var_sub2->class->vft[COLOR_nitc__model__MClassType__arguments]))(var_sub2); /* arguments on <var_sub2:MClassType>*/
 }
 {
-var182 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var181, var_i);
+var204 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var203, var_i);
 }
-var_sub_arg = var182;
+var_sub_arg = var204;
 {
-{ /* Inline model#MGenericType#arguments (var_sup) on <var_sup:MType(MGenericType)> */
-var185 = var_sup->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <var_sup:MType(MGenericType)> */
-if (unlikely(var185 == NULL)) {
+{ /* Inline model$MGenericType$arguments (var_sup) on <var_sup:MType(MGenericType)> */
+var207 = var_sup->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <var_sup:MType(MGenericType)> */
+if (unlikely(var207 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1305);
 fatal_exit(1);
 }
-var183 = var185;
-RET_LABEL184:(void)0;
+var205 = var207;
+RET_LABEL206:(void)0;
 }
 }
 {
-var186 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var183, var_i);
+var208 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var205, var_i);
 }
-var_sup_arg = var186;
+var_sup_arg = var208;
 {
-var187 = nitc___nitc__MType___is_subtype(var_sub_arg, var_mmodule, var_anchor, var_sup_arg);
+var209 = nitc___nitc__MType___is_subtype(var_sub_arg, var_mmodule, var_anchor, var_sup_arg);
 }
-var_res = var187;
+var_res = var209;
 {
-{ /* Inline kernel#Bool#== (var_res,0) on <var_res:Bool> */
-var190 = var_res == 0;
-var188 = var190;
-goto RET_LABEL189;
-RET_LABEL189:(void)0;
+{ /* Inline kernel$Bool$== (var_res,0) on <var_res:Bool> */
+var212 = var_res == 0;
+var210 = var212;
+goto RET_LABEL211;
+RET_LABEL211:(void)0;
 }
 }
-if (var188){
+if (var210){
 var = 0;
 goto RET_LABEL;
 } else {
 }
 {
-var191 = core___core__Int___Discrete__successor(var_i, 1l);
+var213 = core___core__Int___Discrete__successor(var_i, 1l);
 }
-var_i = var191;
+var_i = var213;
 }
-BREAK_label180: (void)0;
+BREAK_label202: (void)0;
 var = 1;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#anchor_to for (self: MType, MModule, MClassType): MType */
+/* method model$MType$anchor_to for (self: MType, MModule, MClassType): MType */
 val* nitc___nitc__MType___anchor_to(val* self, val* p0, val* p1) {
 val* var /* : MType */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7033,8 +8243,11 @@ var3 = ((short int(*)(val* self))(var_anchor->class->vft[COLOR_nitc__model__MTyp
 }
 var4 = !var3;
 if (unlikely(!var4)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 890);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 909);
 fatal_exit(1);
 }
 {
@@ -7046,8 +8259,11 @@ var6 = ((short int(*)(val* self))(var_res->class->vft[COLOR_nitc__model__MType__
 }
 var7 = !var6;
 if (unlikely(!var7)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 893);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 912);
 fatal_exit(1);
 }
 var = var_res;
@@ -7055,7 +8271,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#need_anchor for (self: MType): Bool */
+/* method model$MType$need_anchor for (self: MType): Bool */
 short int nitc___nitc__MType___need_anchor(val* self) {
 short int var /* : Bool */;
 var = 1;
@@ -7063,7 +8279,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#supertype_to for (self: MType, MModule, nullable MClassType, MClass): MClassType */
+/* method model$MType$supertype_to for (self: MType, MModule, nullable MClassType, MClass): MClassType */
 val* nitc___nitc__MType___supertype_to(val* self, val* p0, val* p1, val* p2) {
 val* var /* : MClassType */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7112,14 +8328,14 @@ var_mmodule = p0;
 var_anchor = p1;
 var_super_mclass = p2;
 {
-{ /* Inline model#MClass#arity (var_super_mclass) on <var_super_mclass:MClass> */
+{ /* Inline model$MClass$arity (var_super_mclass) on <var_super_mclass:MClass> */
 var3 = var_super_mclass->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <var_super_mclass:MClass> */
 var1 = var3;
 RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var1,0l) on <var1:Int> */
+{ /* Inline kernel$Int$== (var1,0l) on <var1:Int> */
 var6 = var1 == 0l;
 var4 = var6;
 goto RET_LABEL5;
@@ -7128,11 +8344,14 @@ RET_LABEL5:(void)0;
 }
 if (var4){
 {
-{ /* Inline model#MClass#mclass_type (var_super_mclass) on <var_super_mclass:MClass> */
+{ /* Inline model$MClass$mclass_type (var_super_mclass) on <var_super_mclass:MClass> */
 var9 = var_super_mclass->attrs[COLOR_nitc__model__MClass___mclass_type].val; /* _mclass_type on <var_super_mclass:MClass> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass_type");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 507);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 520);
 fatal_exit(1);
 }
 var7 = var9;
@@ -7154,11 +8373,14 @@ var11 = self->type->type_table[cltype] == idtype;
 var_ = var11;
 if (var11){
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MType(MClassType)> */
+{ /* Inline model$MClassType$mclass (self) on <self:MType(MClassType)> */
 var14 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MType(MClassType)> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var12 = var14;
@@ -7166,10 +8388,10 @@ RET_LABEL13:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var12,var_super_mclass) on <var12:MClass> */
+{ /* Inline kernel$Object$== (var12,var_super_mclass) on <var12:MClass> */
 var_other = var_super_mclass;
 {
-{ /* Inline kernel#Object#is_same_instance (var12,var_other) on <var12:MClass> */
+{ /* Inline kernel$Object$is_same_instance (var12,var_other) on <var12:MClass> */
 var19 = var12 == var_other;
 var17 = var19;
 goto RET_LABEL18;
@@ -7200,7 +8422,7 @@ var21 = 0; /* is null */
 var21 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
+{ /* Inline kernel$Object$!= (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
 var_other24 = ((val*)NULL);
 {
 var25 = ((short int(*)(val* self, val* p0))(var_anchor->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_anchor, var_other24); /* == on <var_anchor:nullable MClassType(MClassType)>*/
@@ -7213,8 +8435,11 @@ RET_LABEL23:(void)0;
 var21 = var22;
 }
 if (unlikely(!var21)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 923);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 942);
 fatal_exit(1);
 }
 {
@@ -7246,11 +8471,14 @@ var33 = ((val*(*)(val* self))((((long)var_31&3)?class_info[((long)var_31&3)]:var
 }
 var_supertype = var33;
 {
-{ /* Inline model#MClassType#mclass (var_supertype) on <var_supertype:MClassType> */
+{ /* Inline model$MClassType$mclass (var_supertype) on <var_supertype:MClassType> */
 var36 = var_supertype->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_supertype:MClassType> */
 if (unlikely(var36 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var34 = var36;
@@ -7258,10 +8486,10 @@ RET_LABEL35:(void)0;
 }
 }
 {
-{ /* Inline kernel#Object#== (var34,var_super_mclass) on <var34:MClass> */
+{ /* Inline kernel$Object$== (var34,var_super_mclass) on <var34:MClass> */
 var_other = var_super_mclass;
 {
-{ /* Inline kernel#Object#is_same_instance (var34,var_other) on <var34:MClass> */
+{ /* Inline kernel$Object$is_same_instance (var34,var_other) on <var34:MClass> */
 var41 = var34 == var_other;
 var39 = var41;
 goto RET_LABEL40;
@@ -7289,13 +8517,16 @@ BREAK_label: (void)0;
 {
 ((void(*)(val* self))((((long)var_31&3)?class_info[((long)var_31&3)]:var_31->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_31); /* finish on <var_31:Iterator[MClassType]>*/
 }
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 935);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 954);
 fatal_exit(1);
 RET_LABEL:;
 return var;
 }
-/* method model#MType#lookup_bound for (self: MType, MModule, MType): MType */
+/* method model$MType$lookup_bound for (self: MType, MModule, MType): MType */
 val* nitc___nitc__MType___lookup_bound(val* self, val* p0, val* p1) {
 val* var /* : MType */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7307,7 +8538,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#lookup_fixed for (self: MType, MModule, MType): MType */
+/* method model$MType$lookup_fixed for (self: MType, MModule, MType): MType */
 val* nitc___nitc__MType___lookup_fixed(val* self, val* p0, val* p1) {
 val* var /* : MType */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7319,18 +8550,42 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#can_resolve_for for (self: MType, MType, nullable MClassType, MModule): Bool */
+/* method model$MType$is_ok for (self: MType): Bool */
+short int nitc___nitc__MType___is_ok(val* self) {
+short int var /* : Bool */;
+var = 1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method model$MType$is_legal_in for (self: MType, MModule, nullable MClassType): Bool */
+short int nitc___nitc__MType___is_legal_in(val* self, val* p0, val* p1) {
+short int var /* : Bool */;
+val* var_mmodule /* var mmodule: MModule */;
+val* var_anchor /* var anchor: nullable MClassType */;
+short int var1 /* : Bool */;
+var_mmodule = p0;
+var_anchor = p1;
+{
+var1 = ((short int(*)(val* self))(self->class->vft[COLOR_nitc__model__MType__is_ok]))(self); /* is_ok on <self:MType>*/
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method model$MType$can_resolve_for for (self: MType, MType, nullable MClassType, MModule): Bool */
 short int nitc___nitc__MType___can_resolve_for(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 const char* var_class_name;
 var_class_name = self == NULL ? "null" : self->type->name;
 PRINT_ERROR("Runtime error: Abstract method `%s` called on `%s`", "can_resolve_for", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1038);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1072);
 fatal_exit(1);
 RET_LABEL:;
 return var;
 }
-/* method model#MType#as_nullable for (self: MType): MType */
+/* method model$MType$as_nullable for (self: MType): MType */
 val* nitc___nitc__MType___as_nullable(val* self) {
 val* var /* : MType */;
 val* var1 /* : nullable MType */;
@@ -7343,7 +8598,7 @@ short int var7 /* : Bool */;
 short int var8 /* : Bool */;
 val* var9 /* : MNullableType */;
 {
-{ /* Inline model#MType#as_nullable_cache (self) on <self:MType> */
+{ /* Inline model$MType$as_nullable_cache (self) on <self:MType> */
 var3 = self->attrs[COLOR_nitc__model__MType___as_nullable_cache].val; /* _as_nullable_cache on <self:MType> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -7356,7 +8611,7 @@ var4 = 0; /* is null */
 var4 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_res,((val*)NULL)) on <var_res:nullable MType> */
+{ /* Inline kernel$Object$!= (var_res,((val*)NULL)) on <var_res:nullable MType> */
 var_other = ((val*)NULL);
 {
 var7 = ((short int(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_res, var_other); /* == on <var_res:nullable MType(MType)>*/
@@ -7382,7 +8637,7 @@ var9 = NEW_nitc__MNullableType(&type_nitc__MNullableType);
 }
 var_res = var9;
 {
-{ /* Inline model#MType#as_nullable_cache= (self,var_res) on <self:MType> */
+{ /* Inline model$MType$as_nullable_cache= (self,var_res) on <self:MType> */
 self->attrs[COLOR_nitc__model__MType___as_nullable_cache].val = var_res; /* _as_nullable_cache on <self:MType> */
 RET_LABEL10:(void)0;
 }
@@ -7392,7 +8647,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#undecorate for (self: MType): MType */
+/* method model$MType$undecorate for (self: MType): MType */
 val* nitc___nitc__MType___undecorate(val* self) {
 val* var /* : MType */;
 var = self;
@@ -7400,7 +8655,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#as_notnull for (self: MType): MType */
+/* method model$MType$as_notnull for (self: MType): MType */
 val* nitc___nitc__MType___as_notnull(val* self) {
 val* var /* : MType */;
 var = self;
@@ -7408,7 +8663,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#as_nullable_cache for (self: MType): nullable MType */
+/* method model$MType$as_nullable_cache for (self: MType): nullable MType */
 val* nitc___nitc__MType___as_nullable_cache(val* self) {
 val* var /* : nullable MType */;
 val* var1 /* : nullable MType */;
@@ -7417,12 +8672,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#as_nullable_cache= for (self: MType, nullable MType) */
+/* method model$MType$as_nullable_cache= for (self: MType, nullable MType) */
 void nitc___nitc__MType___as_nullable_cache_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MType___as_nullable_cache].val = p0; /* _as_nullable_cache on <self:MType> */
 RET_LABEL:;
 }
-/* method model#MType#length for (self: MType): Int */
+/* method model$MType$length for (self: MType): Int */
 long nitc___nitc__MType___length(val* self) {
 long var /* : Int */;
 var = 1l;
@@ -7430,40 +8685,40 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MType#collect_mclassdefs for (self: MType, MModule): Set[MClassDef] */
+/* method model$MType$collect_mclassdefs for (self: MType, MModule): Set[MClassDef] */
 val* nitc___nitc__MType___collect_mclassdefs(val* self, val* p0) {
 val* var /* : Set[MClassDef] */;
 const char* var_class_name;
 var_class_name = self == NULL ? "null" : self->type->name;
 PRINT_ERROR("Runtime error: Abstract method `%s` called on `%s`", "collect_mclassdefs", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1123);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1157);
 fatal_exit(1);
 RET_LABEL:;
 return var;
 }
-/* method model#MType#collect_mclasses for (self: MType, MModule): Set[MClass] */
+/* method model$MType$collect_mclasses for (self: MType, MModule): Set[MClass] */
 val* nitc___nitc__MType___collect_mclasses(val* self, val* p0) {
 val* var /* : Set[MClass] */;
 const char* var_class_name;
 var_class_name = self == NULL ? "null" : self->type->name;
 PRINT_ERROR("Runtime error: Abstract method `%s` called on `%s`", "collect_mclasses", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1133);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1167);
 fatal_exit(1);
 RET_LABEL:;
 return var;
 }
-/* method model#MType#collect_mtypes for (self: MType, MModule): Set[MClassType] */
+/* method model$MType$collect_mtypes for (self: MType, MModule): Set[MClassType] */
 val* nitc___nitc__MType___collect_mtypes(val* self, val* p0) {
 val* var /* : Set[MClassType] */;
 const char* var_class_name;
 var_class_name = self == NULL ? "null" : self->type->name;
 PRINT_ERROR("Runtime error: Abstract method `%s` called on `%s`", "collect_mtypes", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1139);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1173);
 fatal_exit(1);
 RET_LABEL:;
 return var;
 }
-/* method model#MType#has_mproperty for (self: MType, MModule, MProperty): Bool */
+/* method model$MType$has_mproperty for (self: MType, MModule, MProperty): Bool */
 short int nitc___nitc__MType___has_mproperty(val* self, val* p0, val* p1) {
 short int var /* : Bool */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7481,19 +8736,25 @@ var1 = ((short int(*)(val* self))(self->class->vft[COLOR_nitc__model__MType__nee
 }
 var2 = !var1;
 if (unlikely(!var2)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1152);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1186);
 fatal_exit(1);
 }
 {
 var3 = ((val*(*)(val* self, val* p0))(self->class->vft[COLOR_nitc__model__MType__collect_mclassdefs]))(self, var_mmodule); /* collect_mclassdefs on <self:MType>*/
 }
 {
-{ /* Inline model#MProperty#intro_mclassdef (var_mproperty) on <var_mproperty:MProperty> */
+{ /* Inline model$MProperty$intro_mclassdef (var_mproperty) on <var_mproperty:MProperty> */
 var6 = var_mproperty->attrs[COLOR_nitc__model__MProperty___intro_mclassdef].val; /* _intro_mclassdef on <var_mproperty:MProperty> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1946);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 2042);
 fatal_exit(1);
 }
 var4 = var6;
@@ -7508,26 +8769,29 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#mclass for (self: MClassType): MClass */
+/* method model$MClassType$mclass for (self: MClassType): MClass */
 val* nitc___nitc__MClassType___mclass(val* self) {
 val* var /* : MClass */;
 val* var1 /* : MClass */;
 var1 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#mclass= for (self: MClassType, MClass) */
+/* method model$MClassType$mclass= for (self: MClassType, MClass) */
 void nitc___nitc__MClassType___mclass_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassType___mclass].val = p0; /* _mclass on <self:MClassType> */
 RET_LABEL:;
 }
-/* method model#MClassType#model for (self: MClassType): Model */
+/* method model$MClassType$model for (self: MClassType): Model */
 val* nitc___nitc__MClassType___nitc__model_base__MEntity__model(val* self) {
 val* var /* : Model */;
 val* var1 /* : MClass */;
@@ -7537,11 +8801,14 @@ val* var6 /* : MModule */;
 val* var7 /* : Model */;
 val* var9 /* : Model */;
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MClassType> */
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
 var3 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var1 = var3;
@@ -7549,11 +8816,14 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline model#MClass#intro_mmodule (var1) on <var1:MClass> */
+{ /* Inline model$MClass$intro_mmodule (var1) on <var1:MClass> */
 var6 = var1->attrs[COLOR_nitc__model__MClass___intro_mmodule].val; /* _intro_mmodule on <var1:MClass> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 380);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 390);
 fatal_exit(1);
 }
 var4 = var6;
@@ -7561,11 +8831,14 @@ RET_LABEL5:(void)0;
 }
 }
 {
-{ /* Inline mmodule#MModule#model (var4) on <var4:MModule> */
+{ /* Inline mmodule$MModule$model (var4) on <var4:MModule> */
 var9 = var4->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var4:MModule> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 77);
 fatal_exit(1);
 }
 var7 = var9;
@@ -7577,37 +8850,85 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#arguments for (self: MClassType): Array[MType] */
+/* method model$MClassType$location for (self: MClassType): Location */
+val* nitc___nitc__MClassType___nitc__model_base__MEntity__location(val* self) {
+val* var /* : Location */;
+val* var1 /* : MClass */;
+val* var3 /* : MClass */;
+val* var4 /* : Location */;
+val* var6 /* : Location */;
+{
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
+var3 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
+if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline model$MClass$location (var1) on <var1:MClass> */
+var6 = var1->attrs[COLOR_nitc__model__MClass___location].val; /* _location on <var1:MClass> */
+if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _location");
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 400);
+fatal_exit(1);
+}
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+var = var4;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method model$MClassType$arguments for (self: MClassType): Array[MType] */
 val* nitc___nitc__MClassType___arguments(val* self) {
 val* var /* : Array[MType] */;
 val* var1 /* : Array[MType] */;
 var1 = self->attrs[COLOR_nitc__model__MClassType___arguments].val; /* _arguments on <self:MClassType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1170);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1206);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#arguments= for (self: MClassType, Array[MType]) */
+/* method model$MClassType$arguments= for (self: MClassType, Array[MType]) */
 void nitc___nitc__MClassType___arguments_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassType___arguments].val = p0; /* _arguments on <self:MClassType> */
 RET_LABEL:;
 }
-/* method model#MClassType#to_s for (self: MClassType): String */
+/* method model$MClassType$to_s for (self: MClassType): String */
 val* nitc___nitc__MClassType___core__abstract_text__Object__to_s(val* self) {
 val* var /* : String */;
 val* var1 /* : MClass */;
 val* var3 /* : MClass */;
 val* var4 /* : String */;
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MClassType> */
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
 var3 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var1 = var3;
@@ -7622,18 +8943,21 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#full_name for (self: MClassType): String */
+/* method model$MClassType$full_name for (self: MClassType): String */
 val* nitc___nitc__MClassType___nitc__model_base__MEntity__full_name(val* self) {
 val* var /* : String */;
 val* var1 /* : MClass */;
 val* var3 /* : MClass */;
 val* var4 /* : String */;
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MClassType> */
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
 var3 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var1 = var3;
@@ -7648,18 +8972,21 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#c_name for (self: MClassType): String */
+/* method model$MClassType$c_name for (self: MClassType): String */
 val* nitc___nitc__MClassType___nitc__model_base__MEntity__c_name(val* self) {
 val* var /* : String */;
 val* var1 /* : MClass */;
 val* var3 /* : MClass */;
 val* var4 /* : String */;
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MClassType> */
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
 var3 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var1 = var3;
@@ -7674,7 +9001,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#need_anchor for (self: MClassType): Bool */
+/* method model$MClassType$need_anchor for (self: MClassType): Bool */
 short int nitc___nitc__MClassType___MType__need_anchor(val* self) {
 short int var /* : Bool */;
 var = 0;
@@ -7682,7 +9009,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#anchor_to for (self: MClassType, MModule, MClassType): MClassType */
+/* method model$MClassType$anchor_to for (self: MClassType, MModule, MClassType): MClassType */
 val* nitc___nitc__MClassType___MType__anchor_to(val* self, val* p0, val* p1) {
 val* var /* : MClassType */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7708,7 +9035,7 @@ var2 = var1->type->type_table[cltype] == idtype;
 if (unlikely(!var2)) {
 var_class_name = var1 == NULL ? "null" : var1->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "MClassType", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1184);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1220);
 fatal_exit(1);
 }
 var = var1;
@@ -7716,7 +9043,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#resolve_for for (self: MClassType, MType, nullable MClassType, MModule, Bool): MClassType */
+/* method model$MClassType$resolve_for for (self: MClassType, MType, nullable MClassType, MModule, Bool): MClassType */
 val* nitc___nitc__MClassType___MType__resolve_for(val* self, val* p0, val* p1, val* p2, short int p3) {
 val* var /* : MClassType */;
 val* var_mtype /* var mtype: MType */;
@@ -7732,7 +9059,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#can_resolve_for for (self: MClassType, MType, nullable MClassType, MModule): Bool */
+/* method model$MClassType$can_resolve_for for (self: MClassType, MType, nullable MClassType, MModule): Bool */
 short int nitc___nitc__MClassType___MType__can_resolve_for(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 val* var_mtype /* var mtype: MType */;
@@ -7746,7 +9073,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mclassdefs for (self: MClassType, MModule): Set[MClassDef] */
+/* method model$MClassType$collect_mclassdefs for (self: MClassType, MModule): Set[MClassDef] */
 val* nitc___nitc__MClassType___MType__collect_mclassdefs(val* self, val* p0) {
 val* var /* : Set[MClassDef] */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7764,16 +9091,22 @@ var1 = ((short int(*)(val* self))(self->class->vft[COLOR_nitc__model__MType__nee
 }
 var2 = !var1;
 if (unlikely(!var2)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1193);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1229);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClassType#collect_mclassdefs_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclassdefs_cache (self) on <self:MClassType> */
 var5 = self->attrs[COLOR_nitc__model__MClassType___collect_mclassdefs_cache].val; /* _collect_mclassdefs_cache on <self:MClassType> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclassdefs_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1258);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1294);
 fatal_exit(1);
 }
 var3 = var5;
@@ -7787,7 +9120,7 @@ var6 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var_ca
 var7 = !var6;
 if (var7){
 {
-nitc___nitc__MClassType___collect_things(self, var_mmodule); /* Direct call model#MClassType#collect_things on <self:MClassType>*/
+nitc___nitc__MClassType___collect_things(self, var_mmodule); /* Direct call model$MClassType$collect_things on <self:MClassType>*/
 }
 } else {
 }
@@ -7799,7 +9132,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mclasses for (self: MClassType, MModule): Set[MClass] */
+/* method model$MClassType$collect_mclasses for (self: MClassType, MModule): Set[MClass] */
 val* nitc___nitc__MClassType___MType__collect_mclasses(val* self, val* p0) {
 val* var /* : Set[MClass] */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7823,7 +9156,7 @@ val* var20 /* : nullable Object */;
 val* var_res /* var res: Set[MClass] */;
 var_mmodule = p0;
 {
-{ /* Inline model#MClassType#collect_mclasses_last_module (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclasses_last_module (self) on <self:MClassType> */
 var3 = self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module].val; /* _collect_mclasses_last_module on <self:MClassType> */
 var1 = var3;
 RET_LABEL2:(void)0;
@@ -7832,10 +9165,10 @@ RET_LABEL2:(void)0;
 if (var1 == NULL) {
 var4 = 0; /* <var_mmodule:MModule> cannot be null */
 } else {
-{ /* Inline kernel#Object#== (var1,var_mmodule) on <var1:nullable MModule> */
+{ /* Inline kernel$Object$== (var1,var_mmodule) on <var1:nullable MModule> */
 var_other = var_mmodule;
 {
-{ /* Inline kernel#Object#is_same_instance (var1,var_other) on <var1:nullable MModule(MModule)> */
+{ /* Inline kernel$Object$is_same_instance (var1,var_other) on <var1:nullable MModule(MModule)> */
 var9 = var1 == var_other;
 var7 = var9;
 goto RET_LABEL8;
@@ -7850,11 +9183,14 @@ var4 = var5;
 }
 if (var4){
 {
-{ /* Inline model#MClassType#collect_mclasses_last_module_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclasses_last_module_cache (self) on <self:MClassType> */
 var12 = self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module_cache].val; /* _collect_mclasses_last_module_cache on <self:MClassType> */
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclasses_last_module_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1216);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1252);
 fatal_exit(1);
 }
 var10 = var12;
@@ -7870,16 +9206,22 @@ var13 = ((short int(*)(val* self))(self->class->vft[COLOR_nitc__model__MType__ne
 }
 var14 = !var13;
 if (unlikely(!var14)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1204);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1240);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClassType#collect_mclasses_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclasses_cache (self) on <self:MClassType> */
 var17 = self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_cache].val; /* _collect_mclasses_cache on <self:MClassType> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclasses_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1259);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1295);
 fatal_exit(1);
 }
 var15 = var17;
@@ -7893,7 +9235,7 @@ var18 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var_c
 var19 = !var18;
 if (var19){
 {
-nitc___nitc__MClassType___collect_things(self, var_mmodule); /* Direct call model#MClassType#collect_things on <self:MClassType>*/
+nitc___nitc__MClassType___collect_things(self, var_mmodule); /* Direct call model$MClassType$collect_things on <self:MClassType>*/
 }
 } else {
 }
@@ -7902,13 +9244,13 @@ var20 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var_
 }
 var_res = var20;
 {
-{ /* Inline model#MClassType#collect_mclasses_last_module= (self,var_mmodule) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclasses_last_module= (self,var_mmodule) on <self:MClassType> */
 self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module].val = var_mmodule; /* _collect_mclasses_last_module on <self:MClassType> */
 RET_LABEL21:(void)0;
 }
 }
 {
-{ /* Inline model#MClassType#collect_mclasses_last_module_cache= (self,var_res) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclasses_last_module_cache= (self,var_res) on <self:MClassType> */
 self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module_cache].val = var_res; /* _collect_mclasses_last_module_cache on <self:MClassType> */
 RET_LABEL22:(void)0;
 }
@@ -7918,7 +9260,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mclasses_last_module for (self: MClassType): nullable MModule */
+/* method model$MClassType$collect_mclasses_last_module for (self: MClassType): nullable MModule */
 val* nitc___nitc__MClassType___collect_mclasses_last_module(val* self) {
 val* var /* : nullable MModule */;
 val* var1 /* : nullable MModule */;
@@ -7927,31 +9269,34 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mclasses_last_module= for (self: MClassType, nullable MModule) */
+/* method model$MClassType$collect_mclasses_last_module= for (self: MClassType, nullable MModule) */
 void nitc___nitc__MClassType___collect_mclasses_last_module_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module].val = p0; /* _collect_mclasses_last_module on <self:MClassType> */
 RET_LABEL:;
 }
-/* method model#MClassType#collect_mclasses_last_module_cache for (self: MClassType): Set[MClass] */
+/* method model$MClassType$collect_mclasses_last_module_cache for (self: MClassType): Set[MClass] */
 val* nitc___nitc__MClassType___collect_mclasses_last_module_cache(val* self) {
 val* var /* : Set[MClass] */;
 val* var1 /* : Set[MClass] */;
 var1 = self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module_cache].val; /* _collect_mclasses_last_module_cache on <self:MClassType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclasses_last_module_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1216);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1252);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mclasses_last_module_cache= for (self: MClassType, Set[MClass]) */
+/* method model$MClassType$collect_mclasses_last_module_cache= for (self: MClassType, Set[MClass]) */
 void nitc___nitc__MClassType___collect_mclasses_last_module_cache_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_last_module_cache].val = p0; /* _collect_mclasses_last_module_cache on <self:MClassType> */
 RET_LABEL:;
 }
-/* method model#MClassType#collect_mtypes for (self: MClassType, MModule): Set[MClassType] */
+/* method model$MClassType$collect_mtypes for (self: MClassType, MModule): Set[MClassType] */
 val* nitc___nitc__MClassType___MType__collect_mtypes(val* self, val* p0) {
 val* var /* : Set[MClassType] */;
 val* var_mmodule /* var mmodule: MModule */;
@@ -7969,16 +9314,22 @@ var1 = ((short int(*)(val* self))(self->class->vft[COLOR_nitc__model__MType__nee
 }
 var2 = !var1;
 if (unlikely(!var2)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1220);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1256);
 fatal_exit(1);
 }
 {
-{ /* Inline model#MClassType#collect_mtypes_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mtypes_cache (self) on <self:MClassType> */
 var5 = self->attrs[COLOR_nitc__model__MClassType___collect_mtypes_cache].val; /* _collect_mtypes_cache on <self:MClassType> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mtypes_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1260);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1296);
 fatal_exit(1);
 }
 var3 = var5;
@@ -7992,7 +9343,7 @@ var6 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var_ca
 var7 = !var6;
 if (var7){
 {
-nitc___nitc__MClassType___collect_things(self, var_mmodule); /* Direct call model#MClassType#collect_things on <self:MClassType>*/
+nitc___nitc__MClassType___collect_things(self, var_mmodule); /* Direct call model$MClassType$collect_things on <self:MClassType>*/
 }
 } else {
 }
@@ -8004,7 +9355,7 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_things for (self: MClassType, MModule) */
+/* method model$MClassType$collect_things for (self: MClassType, MModule) */
 void nitc___nitc__MClassType___collect_things(val* self, val* p0) {
 val* var_mmodule /* var mmodule: MModule */;
 val* var /* : HashSet[MClassDef] */;
@@ -8059,25 +9410,28 @@ val* var53 /* : HashMap[MModule, Set[MClassType]] */;
 var_mmodule = p0;
 var = NEW_core__HashSet(&type_core__HashSet__nitc__MClassDef);
 {
-core___core__HashSet___core__kernel__Object__init(var); /* Direct call hash_collection#HashSet#init on <var:HashSet[MClassDef]>*/
+core___core__HashSet___core__kernel__Object__init(var); /* Direct call hash_collection$HashSet$init on <var:HashSet[MClassDef]>*/
 }
 var_res = var;
 var1 = NEW_core__HashSet(&type_core__HashSet__nitc__MClass);
 {
-core___core__HashSet___core__kernel__Object__init(var1); /* Direct call hash_collection#HashSet#init on <var1:HashSet[MClass]>*/
+core___core__HashSet___core__kernel__Object__init(var1); /* Direct call hash_collection$HashSet$init on <var1:HashSet[MClass]>*/
 }
 var_seen = var1;
 var2 = NEW_core__HashSet(&type_core__HashSet__nitc__MClassType);
 {
-core___core__HashSet___core__kernel__Object__init(var2); /* Direct call hash_collection#HashSet#init on <var2:HashSet[MClassType]>*/
+core___core__HashSet___core__kernel__Object__init(var2); /* Direct call hash_collection$HashSet$init on <var2:HashSet[MClassType]>*/
 }
 var_types = var2;
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MClassType> */
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
 var5 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var3 = var5;
@@ -8085,19 +9439,22 @@ RET_LABEL4:(void)0;
 }
 }
 {
-core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_seen, var3); /* Direct call hash_collection#HashSet#add on <var_seen:HashSet[MClass]>*/
+core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_seen, var3); /* Direct call hash_collection$HashSet$add on <var_seen:HashSet[MClass]>*/
 }
 var6 = NEW_core__Array(&type_core__Array__nitc__MClass);
 {
-core___core__Array___with_capacity(var6, 1l); /* Direct call array#Array#with_capacity on <var6:Array[MClass]>*/
+core___core__Array___with_capacity(var6, 1l); /* Direct call array$Array$with_capacity on <var6:Array[MClass]>*/
 }
 var_ = var6;
 {
-{ /* Inline model#MClassType#mclass (self) on <self:MClassType> */
+{ /* Inline model$MClassType$mclass (self) on <self:MClassType> */
 var9 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MClassType> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var7 = var9;
@@ -8105,7 +9462,7 @@ RET_LABEL8:(void)0;
 }
 }
 {
-core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var7); /* Direct call array#AbstractArray#push on <var_:Array[MClass]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var7); /* Direct call array$AbstractArray$push on <var_:Array[MClass]>*/
 }
 var_todo = var_;
 for(;;) {
@@ -8119,11 +9476,14 @@ var12 = core___core__AbstractArray___core__abstract_collection__Sequence__pop(va
 }
 var_mclass = var12;
 {
-{ /* Inline model#MClass#mclassdefs (var_mclass) on <var_mclass:MClass> */
+{ /* Inline model$MClass$mclassdefs (var_mclass) on <var_mclass:MClass> */
 var15 = var_mclass->attrs[COLOR_nitc__model__MClass___mclassdefs].val; /* _mclassdefs on <var_mclass:MClass> */
 if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclassdefs");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 477);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 490);
 fatal_exit(1);
 }
 var13 = var15;
@@ -8148,11 +9508,14 @@ var20 = ((val*(*)(val* self))((((long)var_18&3)?class_info[((long)var_18&3)]:var
 }
 var_mclassdef = var20;
 {
-{ /* Inline mmodule#MModule#in_importation (var_mmodule) on <var_mmodule:MModule> */
+{ /* Inline mmodule$MModule$in_importation (var_mmodule) on <var_mmodule:MModule> */
 var23 = var_mmodule->attrs[COLOR_nitc__mmodule__MModule___in_importation].val; /* _in_importation on <var_mmodule:MModule> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _in_importation");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 104);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 108);
 fatal_exit(1);
 }
 var21 = var23;
@@ -8160,11 +9523,14 @@ RET_LABEL22:(void)0;
 }
 }
 {
-{ /* Inline model#MClassDef#mmodule (var_mclassdef) on <var_mclassdef:MClassDef> */
+{ /* Inline model$MClassDef$mmodule (var_mclassdef) on <var_mclassdef:MClassDef> */
 var26 = var_mclassdef->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var_mclassdef:MClassDef> */
 if (unlikely(var26 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 588);
 fatal_exit(1);
 }
 var24 = var26;
@@ -8180,14 +9546,17 @@ goto BREAK_label29;
 } else {
 }
 {
-core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_res, var_mclassdef); /* Direct call hash_collection#HashSet#add on <var_res:HashSet[MClassDef]>*/
+core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_res, var_mclassdef); /* Direct call hash_collection$HashSet$add on <var_res:HashSet[MClassDef]>*/
 }
 {
-{ /* Inline model#MClassDef#supertypes (var_mclassdef) on <var_mclassdef:MClassDef> */
+{ /* Inline model$MClassDef$supertypes (var_mclassdef) on <var_mclassdef:MClassDef> */
 var32 = var_mclassdef->attrs[COLOR_nitc__model__MClassDef___supertypes].val; /* _supertypes on <var_mclassdef:MClassDef> */
 if (unlikely(var32 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _supertypes");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 650);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 666);
 fatal_exit(1);
 }
 var30 = var32;
@@ -8212,14 +9581,17 @@ var38 = ((val*(*)(val* self))((((long)var_35&3)?class_info[((long)var_35&3)]:var
 }
 var_supertype = var38;
 {
-core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_types, var_supertype); /* Direct call hash_collection#HashSet#add on <var_types:HashSet[MClassType]>*/
+core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_types, var_supertype); /* Direct call hash_collection$HashSet$add on <var_types:HashSet[MClassType]>*/
 }
 {
-{ /* Inline model#MClassType#mclass (var_supertype) on <var_supertype:MClassType> */
+{ /* Inline model$MClassType$mclass (var_supertype) on <var_supertype:MClassType> */
 var41 = var_supertype->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_supertype:MClassType> */
 if (unlikely(var41 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1197);
 fatal_exit(1);
 }
 var39 = var41;
@@ -8235,10 +9607,10 @@ goto BREAK_label43;
 } else {
 }
 {
-core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_seen, var_superclass); /* Direct call hash_collection#HashSet#add on <var_seen:HashSet[MClass]>*/
+core___core__HashSet___core__abstract_collection__SimpleCollection__add(var_seen, var_superclass); /* Direct call hash_collection$HashSet$add on <var_seen:HashSet[MClass]>*/
 }
 {
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_todo, var_superclass); /* Direct call array#Array#add on <var_todo:Array[MClass]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_todo, var_superclass); /* Direct call array$Array$add on <var_todo:Array[MClass]>*/
 }
 BREAK_label43: (void)0;
 {
@@ -8264,11 +9636,14 @@ goto BREAK_label44;
 }
 BREAK_label44: (void)0;
 {
-{ /* Inline model#MClassType#collect_mclassdefs_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclassdefs_cache (self) on <self:MClassType> */
 var47 = self->attrs[COLOR_nitc__model__MClassType___collect_mclassdefs_cache].val; /* _collect_mclassdefs_cache on <self:MClassType> */
 if (unlikely(var47 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclassdefs_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1258);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1294);
 fatal_exit(1);
 }
 var45 = var47;
@@ -8276,14 +9651,17 @@ RET_LABEL46:(void)0;
 }
 }
 {
-core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var45, var_mmodule, var_res); /* Direct call hash_collection#HashMap#[]= on <var45:HashMap[MModule, Set[MClassDef]]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var45, var_mmodule, var_res); /* Direct call hash_collection$HashMap$[]= on <var45:HashMap[MModule, Set[MClassDef]]>*/
 }
 {
-{ /* Inline model#MClassType#collect_mclasses_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mclasses_cache (self) on <self:MClassType> */
 var50 = self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_cache].val; /* _collect_mclasses_cache on <self:MClassType> */
 if (unlikely(var50 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclasses_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1259);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1295);
 fatal_exit(1);
 }
 var48 = var50;
@@ -8291,14 +9669,17 @@ RET_LABEL49:(void)0;
 }
 }
 {
-core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var48, var_mmodule, var_seen); /* Direct call hash_collection#HashMap#[]= on <var48:HashMap[MModule, Set[MClass]]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var48, var_mmodule, var_seen); /* Direct call hash_collection$HashMap$[]= on <var48:HashMap[MModule, Set[MClass]]>*/
 }
 {
-{ /* Inline model#MClassType#collect_mtypes_cache (self) on <self:MClassType> */
+{ /* Inline model$MClassType$collect_mtypes_cache (self) on <self:MClassType> */
 var53 = self->attrs[COLOR_nitc__model__MClassType___collect_mtypes_cache].val; /* _collect_mtypes_cache on <self:MClassType> */
 if (unlikely(var53 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mtypes_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1260);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1296);
 fatal_exit(1);
 }
 var51 = var53;
@@ -8306,1681 +9687,87 @@ RET_LABEL52:(void)0;
 }
 }
 {
-core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var51, var_mmodule, var_types); /* Direct call hash_collection#HashMap#[]= on <var51:HashMap[MModule, Set[MClassType]]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var51, var_mmodule, var_types); /* Direct call hash_collection$HashMap$[]= on <var51:HashMap[MModule, Set[MClassType]]>*/
 }
 RET_LABEL:;
 }
-/* method model#MClassType#collect_mclassdefs_cache for (self: MClassType): HashMap[MModule, Set[MClassDef]] */
+/* method model$MClassType$collect_mclassdefs_cache for (self: MClassType): HashMap[MModule, Set[MClassDef]] */
 val* nitc___nitc__MClassType___collect_mclassdefs_cache(val* self) {
 val* var /* : HashMap[MModule, Set[MClassDef]] */;
 val* var1 /* : HashMap[MModule, Set[MClassDef]] */;
 var1 = self->attrs[COLOR_nitc__model__MClassType___collect_mclassdefs_cache].val; /* _collect_mclassdefs_cache on <self:MClassType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclassdefs_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1258);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1294);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mclasses_cache for (self: MClassType): HashMap[MModule, Set[MClass]] */
+/* method model$MClassType$collect_mclasses_cache for (self: MClassType): HashMap[MModule, Set[MClass]] */
 val* nitc___nitc__MClassType___collect_mclasses_cache(val* self) {
 val* var /* : HashMap[MModule, Set[MClass]] */;
 val* var1 /* : HashMap[MModule, Set[MClass]] */;
 var1 = self->attrs[COLOR_nitc__model__MClassType___collect_mclasses_cache].val; /* _collect_mclasses_cache on <self:MClassType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mclasses_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1259);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1295);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#collect_mtypes_cache for (self: MClassType): HashMap[MModule, Set[MClassType]] */
+/* method model$MClassType$collect_mtypes_cache for (self: MClassType): HashMap[MModule, Set[MClassType]] */
 val* nitc___nitc__MClassType___collect_mtypes_cache(val* self) {
 val* var /* : HashMap[MModule, Set[MClassType]] */;
 val* var1 /* : HashMap[MModule, Set[MClassType]] */;
 var1 = self->attrs[COLOR_nitc__model__MClassType___collect_mtypes_cache].val; /* _collect_mtypes_cache on <self:MClassType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _collect_mtypes_cache");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1260);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1296);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MClassType#init for (self: MClassType) */
+/* method model$MClassType$init for (self: MClassType) */
 void nitc___nitc__MClassType___core__kernel__Object__init(val* self) {
 {
 ((void(*)(val* self))(self->class->vft[COLOR_nitc___nitc__MClassType___core__kernel__Object__init]))(self); /* init on <self:MClassType>*/
 }
 RET_LABEL:;
 }
-/* method model#MGenericType#arguments for (self: MGenericType): Array[MType] */
+/* method model$MGenericType$arguments for (self: MGenericType): Array[MType] */
 val* nitc___nitc__MGenericType___MClassType__arguments(val* self) {
 val* var /* : Array[MType] */;
 val* var1 /* : Array[MType] */;
 var1 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
+PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1305);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method model#MGenericType#arguments= for (self: MGenericType, Array[MType]) */
+/* method model$MGenericType$arguments= for (self: MGenericType, Array[MType]) */
 void nitc___nitc__MGenericType___MClassType__arguments_61d(val* self, val* p0) {
 self->attrs[COLOR_nitc__model__MGenericType___arguments].val = p0; /* _arguments on <self:MGenericType> */
 RET_LABEL:;
 }
-/* method model#MGenericType#init for (self: MGenericType) */
-void nitc___nitc__MGenericType___core__kernel__Object__init(val* self) {
-val* var /* : MClass */;
-val* var2 /* : MClass */;
-long var3 /* : Int */;
-long var5 /* : Int */;
-val* var6 /* : Array[MType] */;
-val* var8 /* : Array[MType] */;
-long var9 /* : Int */;
-long var11 /* : Int */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-val* var16 /* : Array[MType] */;
-val* var18 /* : Array[MType] */;
-val* var_ /* var : Array[MType] */;
-val* var19 /* : IndexedIterator[nullable Object] */;
-val* var_20 /* var : IndexedIterator[MType] */;
-short int var21 /* : Bool */;
-val* var22 /* : nullable Object */;
-val* var_t /* var t: MType */;
-short int var23 /* : Bool */;
-val* var25 /* : NativeArray[String] */;
-static val* varonce;
-static val* varonce26;
-val* var27 /* : String */;
-char* var28 /* : NativeString */;
-val* var29 /* : String */;
-static val* varonce30;
-val* var31 /* : String */;
-char* var32 /* : NativeString */;
-val* var33 /* : String */;
-val* var34 /* : MClass */;
-val* var36 /* : MClass */;
-val* var37 /* : String */;
-val* var38 /* : Array[MType] */;
-val* var40 /* : Array[MType] */;
-static val* varonce41;
-val* var42 /* : String */;
-char* var43 /* : NativeString */;
-val* var44 /* : String */;
-val* var45 /* : String */;
-val* var46 /* : String */;
-{
-((void(*)(val* self))(self->class->vft[COLOR_nitc___nitc__MGenericType___core__kernel__Object__init]))(self); /* init on <self:MGenericType>*/
-}
-{
-{ /* Inline model#MClassType#mclass (self) on <self:MGenericType> */
-var2 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MGenericType> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-{
-{ /* Inline model#MClass#arity (var) on <var:MClass> */
-var5 = var->attrs[COLOR_nitc__model__MClass___arity].l; /* _arity on <var:MClass> */
-var3 = var5;
-RET_LABEL4:(void)0;
-}
-}
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var8 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var6 = var8;
-RET_LABEL7:(void)0;
-}
-}
-{
-{ /* Inline array#AbstractArrayRead#length (var6) on <var6:Array[MType]> */
-var11 = var6->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var6:Array[MType]> */
-var9 = var11;
-RET_LABEL10:(void)0;
-}
-}
-{
-{ /* Inline kernel#Int#== (var3,var9) on <var3:Int> */
-var14 = var3 == var9;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-}
-if (unlikely(!var12)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1275);
-fatal_exit(1);
-}
-{
-{ /* Inline model#MGenericType#need_anchor= (self,0) on <self:MGenericType> */
-self->attrs[COLOR_nitc__model__MGenericType___need_anchor].s = 0; /* _need_anchor on <self:MGenericType> */
-RET_LABEL15:(void)0;
-}
-}
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var18 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var18 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var16 = var18;
-RET_LABEL17:(void)0;
-}
-}
-var_ = var16;
-{
-var19 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_20 = var19;
-for(;;) {
-{
-var21 = ((short int(*)(val* self))((((long)var_20&3)?class_info[((long)var_20&3)]:var_20->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_20); /* is_ok on <var_20:IndexedIterator[MType]>*/
-}
-if (var21){
-} else {
-goto BREAK_label;
-}
-{
-var22 = ((val*(*)(val* self))((((long)var_20&3)?class_info[((long)var_20&3)]:var_20->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_20); /* item on <var_20:IndexedIterator[MType]>*/
-}
-var_t = var22;
-{
-var23 = ((short int(*)(val* self))(var_t->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_t); /* need_anchor on <var_t:MType>*/
-}
-if (var23){
-{
-{ /* Inline model#MGenericType#need_anchor= (self,1) on <self:MGenericType> */
-self->attrs[COLOR_nitc__model__MGenericType___need_anchor].s = 1; /* _need_anchor on <self:MGenericType> */
-RET_LABEL24:(void)0;
-}
-}
-goto BREAK_label;
-} else {
-}
-{
-((void(*)(val* self))((((long)var_20&3)?class_info[((long)var_20&3)]:var_20->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_20); /* next on <var_20:IndexedIterator[MType]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_20&3)?class_info[((long)var_20&3)]:var_20->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_20); /* finish on <var_20:IndexedIterator[MType]>*/
-}
-if (unlikely(varonce==NULL)) {
-var25 = NEW_core__NativeArray(4l, &type_core__NativeArray__core__String);
-if (likely(varonce26!=NULL)) {
-var27 = varonce26;
-} else {
-var28 = "[";
-var29 = core__flat___NativeString___to_s_full(var28, 1l, 1l);
-var27 = var29;
-varonce26 = var27;
-}
-((struct instance_core__NativeArray*)var25)->values[1]=var27;
-if (likely(varonce30!=NULL)) {
-var31 = varonce30;
-} else {
-var32 = "]";
-var33 = core__flat___NativeString___to_s_full(var32, 1l, 1l);
-var31 = var33;
-varonce30 = var31;
-}
-((struct instance_core__NativeArray*)var25)->values[3]=var31;
-} else {
-var25 = varonce;
-varonce = NULL;
-}
-{
-{ /* Inline model#MClassType#mclass (self) on <self:MGenericType> */
-var36 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MGenericType> */
-if (unlikely(var36 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var34 = var36;
-RET_LABEL35:(void)0;
-}
-}
-{
-var37 = ((val*(*)(val* self))(var34->class->vft[COLOR_core__abstract_text__Object__to_s]))(var34); /* to_s on <var34:MClass>*/
-}
-((struct instance_core__NativeArray*)var25)->values[0]=var37;
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var40 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var40 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var38 = var40;
-RET_LABEL39:(void)0;
-}
-}
-if (likely(varonce41!=NULL)) {
-var42 = varonce41;
-} else {
-var43 = ", ";
-var44 = core__flat___NativeString___to_s_full(var43, 2l, 2l);
-var42 = var44;
-varonce41 = var42;
-}
-{
-var45 = core__abstract_text___Collection___join(var38, var42);
-}
-((struct instance_core__NativeArray*)var25)->values[2]=var45;
-{
-var46 = ((val*(*)(val* self))(var25->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var25); /* native_to_s on <var25:NativeArray[String]>*/
-}
-varonce = var25;
-{
-{ /* Inline model#MGenericType#to_s= (self,var46) on <self:MGenericType> */
-self->attrs[COLOR_nitc__model__MGenericType___to_s].val = var46; /* _to_s on <self:MGenericType> */
-RET_LABEL47:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method model#MGenericType#to_s for (self: MGenericType): String */
-val* nitc___nitc__MGenericType___core__abstract_text__Object__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = self->attrs[COLOR_nitc__model__MGenericType___to_s].val; /* _to_s on <self:MGenericType> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _to_s");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1288);
-fatal_exit(1);
-}
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method model#MGenericType#to_s= for (self: MGenericType, String) */
-void nitc___nitc__MGenericType___to_s_61d(val* self, val* p0) {
-self->attrs[COLOR_nitc__model__MGenericType___to_s].val = p0; /* _to_s on <self:MGenericType> */
-RET_LABEL:;
-}
-/* method model#MGenericType#full_name for (self: MGenericType): String */
-val* nitc___nitc__MGenericType___nitc__model_base__MEntity__full_name(val* self) {
-val* var /* : String */;
-short int var1 /* : Bool */;
-val* var2 /* : String */;
-val* var3 /* : String */;
-val* var5 /* : Array[String] */;
-val* var_args /* var args: Array[String] */;
-val* var6 /* : Array[MType] */;
-val* var8 /* : Array[MType] */;
-val* var_ /* var : Array[MType] */;
-val* var9 /* : IndexedIterator[nullable Object] */;
-val* var_10 /* var : IndexedIterator[MType] */;
-short int var11 /* : Bool */;
-val* var12 /* : nullable Object */;
-val* var_t /* var t: MType */;
-val* var13 /* : String */;
-val* var14 /* : NativeArray[String] */;
-static val* varonce;
-static val* varonce15;
-val* var16 /* : String */;
-char* var17 /* : NativeString */;
-val* var18 /* : String */;
-static val* varonce19;
-val* var20 /* : String */;
-char* var21 /* : NativeString */;
-val* var22 /* : String */;
-val* var23 /* : MClass */;
-val* var25 /* : MClass */;
-val* var26 /* : String */;
-static val* varonce27;
-val* var28 /* : String */;
-char* var29 /* : NativeString */;
-val* var30 /* : String */;
-val* var31 /* : String */;
-val* var32 /* : String */;
-var1 = self->attrs[COLOR_nitc__model__MGenericType___full_name].val != NULL; /* _full_name on <self:MGenericType> */
-if(likely(var1)) {
-var2 = self->attrs[COLOR_nitc__model__MGenericType___full_name].val; /* _full_name on <self:MGenericType> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _full_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1292);
-fatal_exit(1);
-}
-} else {
-{
-var5 = NEW_core__Array(&type_core__Array__core__String);
-{
-core___core__Array___core__kernel__Object__init(var5); /* Direct call array#Array#init on <var5:Array[String]>*/
-}
-var_args = var5;
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var8 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var6 = var8;
-RET_LABEL7:(void)0;
-}
-}
-var_ = var6;
-{
-var9 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_10 = var9;
-for(;;) {
-{
-var11 = ((short int(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_10); /* is_ok on <var_10:IndexedIterator[MType]>*/
-}
-if (var11){
-} else {
-goto BREAK_label;
-}
-{
-var12 = ((val*(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_10); /* item on <var_10:IndexedIterator[MType]>*/
-}
-var_t = var12;
-{
-var13 = ((val*(*)(val* self))(var_t->class->vft[COLOR_nitc__model_base__MEntity__full_name]))(var_t); /* full_name on <var_t:MType>*/
-}
-{
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_args, var13); /* Direct call array#Array#add on <var_args:Array[String]>*/
-}
-{
-((void(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_10); /* next on <var_10:IndexedIterator[MType]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_10); /* finish on <var_10:IndexedIterator[MType]>*/
-}
-if (unlikely(varonce==NULL)) {
-var14 = NEW_core__NativeArray(4l, &type_core__NativeArray__core__String);
-if (likely(varonce15!=NULL)) {
-var16 = varonce15;
-} else {
-var17 = "[";
-var18 = core__flat___NativeString___to_s_full(var17, 1l, 1l);
-var16 = var18;
-varonce15 = var16;
-}
-((struct instance_core__NativeArray*)var14)->values[1]=var16;
-if (likely(varonce19!=NULL)) {
-var20 = varonce19;
-} else {
-var21 = "]";
-var22 = core__flat___NativeString___to_s_full(var21, 1l, 1l);
-var20 = var22;
-varonce19 = var20;
-}
-((struct instance_core__NativeArray*)var14)->values[3]=var20;
-} else {
-var14 = varonce;
-varonce = NULL;
-}
-{
-{ /* Inline model#MClassType#mclass (self) on <self:MGenericType> */
-var25 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MGenericType> */
-if (unlikely(var25 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var23 = var25;
-RET_LABEL24:(void)0;
-}
-}
-{
-var26 = nitc___nitc__MClass___nitc__model_base__MEntity__full_name(var23);
-}
-((struct instance_core__NativeArray*)var14)->values[0]=var26;
-if (likely(varonce27!=NULL)) {
-var28 = varonce27;
-} else {
-var29 = ", ";
-var30 = core__flat___NativeString___to_s_full(var29, 2l, 2l);
-var28 = var30;
-varonce27 = var28;
-}
-{
-var31 = core__abstract_text___Collection___join(var_args, var28);
-}
-((struct instance_core__NativeArray*)var14)->values[2]=var31;
-{
-var32 = ((val*(*)(val* self))(var14->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var14); /* native_to_s on <var14:NativeArray[String]>*/
-}
-varonce = var14;
-var3 = var32;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-self->attrs[COLOR_nitc__model__MGenericType___full_name].val = var3; /* _full_name on <self:MGenericType> */
-var2 = var3;
-}
-var = var2;
-RET_LABEL:;
-return var;
-}
-/* method model#MGenericType#c_name for (self: MGenericType): String */
-val* nitc___nitc__MGenericType___nitc__model_base__MEntity__c_name(val* self) {
-val* var /* : String */;
-short int var1 /* : Bool */;
-val* var2 /* : String */;
-val* var3 /* : String */;
-val* var5 /* : MClass */;
-val* var7 /* : MClass */;
-val* var8 /* : String */;
-val* var_res /* var res: String */;
-val* var9 /* : Array[MType] */;
-val* var11 /* : Array[MType] */;
-val* var_ /* var : Array[MType] */;
-val* var12 /* : IndexedIterator[nullable Object] */;
-val* var_13 /* var : IndexedIterator[MType] */;
-short int var14 /* : Bool */;
-val* var15 /* : nullable Object */;
-val* var_t /* var t: MType */;
-static val* varonce;
-val* var16 /* : String */;
-char* var17 /* : NativeString */;
-val* var18 /* : String */;
-val* var19 /* : String */;
-val* var20 /* : String */;
-val* var21 /* : String */;
-val* var22 /* : String */;
-var1 = self->attrs[COLOR_nitc__model__MGenericType___c_name].val != NULL; /* _c_name on <self:MGenericType> */
-if(likely(var1)) {
-var2 = self->attrs[COLOR_nitc__model__MGenericType___c_name].val; /* _c_name on <self:MGenericType> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _c_name");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1302);
-fatal_exit(1);
-}
-} else {
-{
-{
-{ /* Inline model#MClassType#mclass (self) on <self:MGenericType> */
-var7 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MGenericType> */
-if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var5 = var7;
-RET_LABEL6:(void)0;
-}
-}
-{
-var8 = nitc___nitc__MClass___nitc__model_base__MEntity__c_name(var5);
-}
-var_res = var8;
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var11 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var11 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var9 = var11;
-RET_LABEL10:(void)0;
-}
-}
-var_ = var9;
-{
-var12 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_13 = var12;
-for(;;) {
-{
-var14 = ((short int(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_13); /* is_ok on <var_13:IndexedIterator[MType]>*/
-}
-if (var14){
-} else {
-goto BREAK_label;
-}
-{
-var15 = ((val*(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_13); /* item on <var_13:IndexedIterator[MType]>*/
-}
-var_t = var15;
-if (likely(varonce!=NULL)) {
-var16 = varonce;
-} else {
-var17 = "__";
-var18 = core__flat___NativeString___to_s_full(var17, 2l, 2l);
-var16 = var18;
-varonce = var16;
-}
-{
-var19 = ((val*(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__abstract_text__String___43d]))(var_res, var16); /* + on <var_res:String>*/
-}
-var_res = var19;
-{
-var20 = ((val*(*)(val* self))(var_t->class->vft[COLOR_nitc__model_base__MEntity__c_name]))(var_t); /* c_name on <var_t:MType>*/
-}
-{
-var21 = ((val*(*)(val* self, val* p0))(var_res->class->vft[COLOR_core__abstract_text__String___43d]))(var_res, var20); /* + on <var_res:String>*/
-}
-var_res = var21;
-{
-((void(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_13); /* next on <var_13:IndexedIterator[MType]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_13); /* finish on <var_13:IndexedIterator[MType]>*/
-}
-{
-var22 = core___core__String___Object__to_s(var_res);
-}
-var3 = var22;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-self->attrs[COLOR_nitc__model__MGenericType___c_name].val = var3; /* _c_name on <self:MGenericType> */
-var2 = var3;
-}
-var = var2;
-RET_LABEL:;
-return var;
-}
-/* method model#MGenericType#need_anchor for (self: MGenericType): Bool */
-short int nitc___nitc__MGenericType___MType__need_anchor(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = self->attrs[COLOR_nitc__model__MGenericType___need_anchor].s; /* _need_anchor on <self:MGenericType> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method model#MGenericType#need_anchor= for (self: MGenericType, Bool) */
-void nitc___nitc__MGenericType___need_anchor_61d(val* self, short int p0) {
-self->attrs[COLOR_nitc__model__MGenericType___need_anchor].s = p0; /* _need_anchor on <self:MGenericType> */
-RET_LABEL:;
-}
-/* method model#MGenericType#resolve_for for (self: MGenericType, MType, nullable MClassType, MModule, Bool): MType */
-val* nitc___nitc__MGenericType___MType__resolve_for(val* self, val* p0, val* p1, val* p2, short int p3) {
-val* var /* : MType */;
-val* var_mtype /* var mtype: MType */;
-val* var_anchor /* var anchor: nullable MClassType */;
-val* var_mmodule /* var mmodule: MModule */;
-short int var_cleanup_virtual /* var cleanup_virtual: Bool */;
-short int var1 /* : Bool */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-val* var6 /* : Array[MType] */;
-val* var_types /* var types: Array[MType] */;
-val* var7 /* : Array[MType] */;
-val* var9 /* : Array[MType] */;
-val* var_ /* var : Array[MType] */;
-val* var10 /* : IndexedIterator[nullable Object] */;
-val* var_11 /* var : IndexedIterator[MType] */;
-short int var12 /* : Bool */;
-val* var13 /* : nullable Object */;
-val* var_t /* var t: MType */;
-val* var14 /* : MType */;
-val* var15 /* : MClass */;
-val* var17 /* : MClass */;
-val* var18 /* : MClassType */;
-var_mtype = p0;
-var_anchor = p1;
-var_mmodule = p2;
-var_cleanup_virtual = p3;
-{
-{ /* Inline model#MGenericType#need_anchor (self) on <self:MGenericType> */
-var3 = self->attrs[COLOR_nitc__model__MGenericType___need_anchor].s; /* _need_anchor on <self:MGenericType> */
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-var4 = !var1;
-if (var4){
-var = self;
-goto RET_LABEL;
-} else {
-}
-{
-var5 = nitc___nitc__MGenericType___MType__can_resolve_for(self, var_mtype, var_anchor, var_mmodule);
-}
-if (unlikely(!var5)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1317);
-fatal_exit(1);
-}
-var6 = NEW_core__Array(&type_core__Array__nitc__MType);
-{
-core___core__Array___core__kernel__Object__init(var6); /* Direct call array#Array#init on <var6:Array[MType]>*/
-}
-var_types = var6;
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var9 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var9 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var7 = var9;
-RET_LABEL8:(void)0;
-}
-}
-var_ = var7;
-{
-var10 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_11 = var10;
-for(;;) {
-{
-var12 = ((short int(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var_11->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_11); /* is_ok on <var_11:IndexedIterator[MType]>*/
-}
-if (var12){
-} else {
-goto BREAK_label;
-}
-{
-var13 = ((val*(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var_11->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_11); /* item on <var_11:IndexedIterator[MType]>*/
-}
-var_t = var13;
-{
-var14 = ((val*(*)(val* self, val* p0, val* p1, val* p2, short int p3))(var_t->class->vft[COLOR_nitc__model__MType__resolve_for]))(var_t, var_mtype, var_anchor, var_mmodule, var_cleanup_virtual); /* resolve_for on <var_t:MType>*/
-}
-{
-core___core__Array___core__abstract_collection__SimpleCollection__add(var_types, var14); /* Direct call array#Array#add on <var_types:Array[MType]>*/
-}
-{
-((void(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var_11->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_11); /* next on <var_11:IndexedIterator[MType]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_11&3)?class_info[((long)var_11&3)]:var_11->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_11); /* finish on <var_11:IndexedIterator[MType]>*/
-}
-{
-{ /* Inline model#MClassType#mclass (self) on <self:MGenericType> */
-var17 = self->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <self:MGenericType> */
-if (unlikely(var17 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var15 = var17;
-RET_LABEL16:(void)0;
-}
-}
-{
-var18 = nitc___nitc__MClass___get_mtype(var15, var_types);
-}
-var = var18;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MGenericType#can_resolve_for for (self: MGenericType, MType, nullable MClassType, MModule): Bool */
-short int nitc___nitc__MGenericType___MType__can_resolve_for(val* self, val* p0, val* p1, val* p2) {
-short int var /* : Bool */;
-val* var_mtype /* var mtype: MType */;
-val* var_anchor /* var anchor: nullable MClassType */;
-val* var_mmodule /* var mmodule: MModule */;
-short int var1 /* : Bool */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-val* var5 /* : Array[MType] */;
-val* var7 /* : Array[MType] */;
-val* var_ /* var : Array[MType] */;
-val* var8 /* : IndexedIterator[nullable Object] */;
-val* var_9 /* var : IndexedIterator[MType] */;
-short int var10 /* : Bool */;
-val* var11 /* : nullable Object */;
-val* var_t /* var t: MType */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-var_mtype = p0;
-var_anchor = p1;
-var_mmodule = p2;
-{
-{ /* Inline model#MGenericType#need_anchor (self) on <self:MGenericType> */
-var3 = self->attrs[COLOR_nitc__model__MGenericType___need_anchor].s; /* _need_anchor on <self:MGenericType> */
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-var4 = !var1;
-if (var4){
-var = 1;
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var7 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var7 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var5 = var7;
-RET_LABEL6:(void)0;
-}
-}
-var_ = var5;
-{
-var8 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_9 = var8;
-for(;;) {
-{
-var10 = ((short int(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_9); /* is_ok on <var_9:IndexedIterator[MType]>*/
-}
-if (var10){
-} else {
-goto BREAK_label;
-}
-{
-var11 = ((val*(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_9); /* item on <var_9:IndexedIterator[MType]>*/
-}
-var_t = var11;
-{
-var12 = ((short int(*)(val* self, val* p0, val* p1, val* p2))(var_t->class->vft[COLOR_nitc__model__MType__can_resolve_for]))(var_t, var_mtype, var_anchor, var_mmodule); /* can_resolve_for on <var_t:MType>*/
-}
-var13 = !var12;
-if (var13){
-var = 0;
-goto RET_LABEL;
-} else {
-}
-{
-((void(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_9); /* next on <var_9:IndexedIterator[MType]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_9); /* finish on <var_9:IndexedIterator[MType]>*/
-}
-var = 1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MGenericType#length for (self: MGenericType): Int */
-long nitc___nitc__MGenericType___MType__length(val* self) {
-long var /* : Int */;
-long var_res /* var res: Int */;
-val* var1 /* : Array[MType] */;
-val* var3 /* : Array[MType] */;
-val* var_ /* var : Array[MType] */;
-val* var4 /* : IndexedIterator[nullable Object] */;
-val* var_5 /* var : IndexedIterator[MType] */;
-short int var6 /* : Bool */;
-val* var7 /* : nullable Object */;
-val* var_a /* var a: MType */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-short int var11 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-long var12 /* : Int */;
-var_res = 1l;
-{
-{ /* Inline model#MGenericType#arguments (self) on <self:MGenericType> */
-var3 = self->attrs[COLOR_nitc__model__MGenericType___arguments].val; /* _arguments on <self:MGenericType> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _arguments");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1269);
-fatal_exit(1);
-}
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-var_ = var1;
-{
-var4 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_5 = var4;
-for(;;) {
-{
-var6 = ((short int(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_5); /* is_ok on <var_5:IndexedIterator[MType]>*/
-}
-if (var6){
-} else {
-goto BREAK_label;
-}
-{
-var7 = ((val*(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_5); /* item on <var_5:IndexedIterator[MType]>*/
-}
-var_a = var7;
-{
-var8 = ((long(*)(val* self))(var_a->class->vft[COLOR_nitc__model__MType__length]))(var_a); /* length on <var_a:MType>*/
-}
-{
-{ /* Inline kernel#Int#+ (var_res,var8) on <var_res:Int> */
-/* Covariant cast for argument 0 (i) <var8:Int> isa OTHER */
-/* <var8:Int> isa OTHER */
-var11 = 1; /* easy <var8:Int> isa OTHER*/
-if (unlikely(!var11)) {
-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, 731);
-fatal_exit(1);
-}
-var12 = var_res + var8;
-var9 = var12;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
-}
-}
-var_res = var9;
-{
-((void(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_5); /* next on <var_5:IndexedIterator[MType]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_5); /* finish on <var_5:IndexedIterator[MType]>*/
-}
-var = var_res;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MFormalType#as_notnull for (self: MFormalType): MType */
-val* nitc___nitc__MFormalType___MType__as_notnull(val* self) {
-val* var /* : MType */;
-short int var1 /* : Bool */;
-val* var2 /* : MType */;
-val* var3 /* : MNotNullType */;
-var1 = self->attrs[COLOR_nitc__model__MFormalType___as_notnull].val != NULL; /* _as_notnull on <self:MFormalType> */
-if(likely(var1)) {
-var2 = self->attrs[COLOR_nitc__model__MFormalType___as_notnull].val; /* _as_notnull on <self:MFormalType> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _as_notnull");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1362);
-fatal_exit(1);
-}
-} else {
-var3 = NEW_nitc__MNotNullType(&type_nitc__MNotNullType);
-{
-((void(*)(val* self, val* p0))(var3->class->vft[COLOR_nitc__model__MProxyType__mtype_61d]))(var3, self); /* mtype= on <var3:MNotNullType>*/
-}
-{
-((void(*)(val* self))(var3->class->vft[COLOR_core__kernel__Object__init]))(var3); /* init on <var3:MNotNullType>*/
-}
-self->attrs[COLOR_nitc__model__MFormalType___as_notnull].val = var3; /* _as_notnull on <self:MFormalType> */
-var2 = var3;
-}
-var = var2;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#mproperty for (self: MVirtualType): MVirtualTypeProp */
-val* nitc___nitc__MVirtualType___mproperty(val* self) {
-val* var /* : MVirtualTypeProp */;
-val* var1 /* : MVirtualTypeProp */;
-var1 = self->attrs[COLOR_nitc__model__MVirtualType___mproperty].val; /* _mproperty on <self:MVirtualType> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1369);
-fatal_exit(1);
-}
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#mproperty= for (self: MVirtualType, MVirtualTypeProp) */
-void nitc___nitc__MVirtualType___mproperty_61d(val* self, val* p0) {
-self->attrs[COLOR_nitc__model__MVirtualType___mproperty].val = p0; /* _mproperty on <self:MVirtualType> */
-RET_LABEL:;
-}
-/* method model#MVirtualType#model for (self: MVirtualType): Model */
-val* nitc___nitc__MVirtualType___nitc__model_base__MEntity__model(val* self) {
-val* var /* : Model */;
-val* var1 /* : MVirtualTypeProp */;
-val* var3 /* : MVirtualTypeProp */;
-val* var4 /* : MClassDef */;
-val* var6 /* : MClassDef */;
-val* var7 /* : MModule */;
-val* var9 /* : MModule */;
-val* var10 /* : Model */;
-val* var12 /* : Model */;
-{
-{ /* Inline model#MVirtualType#mproperty (self) on <self:MVirtualType> */
-var3 = self->attrs[COLOR_nitc__model__MVirtualType___mproperty].val; /* _mproperty on <self:MVirtualType> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1369);
-fatal_exit(1);
-}
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-{
-{ /* Inline model#MProperty#intro_mclassdef (var1) on <var1:MVirtualTypeProp> */
-var6 = var1->attrs[COLOR_nitc__model__MProperty___intro_mclassdef].val; /* _intro_mclassdef on <var1:MVirtualTypeProp> */
-if (unlikely(var6 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _intro_mclassdef");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1946);
-fatal_exit(1);
-}
-var4 = var6;
-RET_LABEL5:(void)0;
-}
-}
-{
-{ /* Inline model#MClassDef#mmodule (var4) on <var4:MClassDef> */
-var9 = var4->attrs[COLOR_nitc__model__MClassDef___mmodule].val; /* _mmodule on <var4:MClassDef> */
-if (unlikely(var9 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mmodule");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 573);
-fatal_exit(1);
-}
-var7 = var9;
-RET_LABEL8:(void)0;
-}
-}
-{
-{ /* Inline mmodule#MModule#model (var7) on <var7:MModule> */
-var12 = var7->attrs[COLOR_nitc__mmodule__MModule___model].val; /* _model on <var7:MModule> */
-if (unlikely(var12 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _model");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__mmodule, 78);
-fatal_exit(1);
-}
-var10 = var12;
-RET_LABEL11:(void)0;
-}
-}
-var = var10;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#lookup_bound for (self: MVirtualType, MModule, MType): MType */
-val* nitc___nitc__MVirtualType___MType__lookup_bound(val* self, val* p0, val* p1) {
-val* var /* : MType */;
-val* var_mmodule /* var mmodule: MModule */;
-val* var_resolved_receiver /* var resolved_receiver: MType */;
-val* var1 /* : MType */;
-val* var2 /* : MVirtualTypeDef */;
-val* var3 /* : nullable MType */;
-val* var5 /* : nullable MType */;
-val* var6 /* : MBottomType */;
-val* var7 /* : Model */;
-var_mmodule = p0;
-var_resolved_receiver = p1;
-{
-var2 = nitc___nitc__MVirtualType___lookup_single_definition(self, var_mmodule, var_resolved_receiver);
-}
-{
-{ /* Inline model#MVirtualTypeDef#bound (var2) on <var2:MVirtualTypeDef> */
-var5 = var2->attrs[COLOR_nitc__model__MVirtualTypeDef___bound].val; /* _bound on <var2:MVirtualTypeDef> */
-var3 = var5;
-RET_LABEL4:(void)0;
-}
-}
-if (var3!=NULL) {
-var1 = var3;
-} else {
-var6 = NEW_nitc__MBottomType(&type_nitc__MBottomType);
-{
-var7 = nitc___nitc__MVirtualType___nitc__model_base__MEntity__model(self);
-}
-{
-((void(*)(val* self, val* p0))(var6->class->vft[COLOR_nitc__model__MBottomType__model_61d]))(var6, var7); /* model= on <var6:MBottomType>*/
-}
-{
-((void(*)(val* self))(var6->class->vft[COLOR_core__kernel__Object__init]))(var6); /* init on <var6:MBottomType>*/
-}
-var1 = var6;
-}
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#lookup_single_definition for (self: MVirtualType, MModule, MType): MVirtualTypeDef */
-val* nitc___nitc__MVirtualType___lookup_single_definition(val* self, val* p0, val* p1) {
-val* var /* : MVirtualTypeDef */;
-val* var_mmodule /* var mmodule: MModule */;
-val* var_resolved_receiver /* var resolved_receiver: MType */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var3 /* : MVirtualTypeProp */;
-val* var5 /* : MVirtualTypeProp */;
-val* var6 /* : Array[MPropDef] */;
-val* var_props /* var props: Array[MVirtualTypeDef] */;
-short int var7 /* : Bool */;
-long var8 /* : Int */;
-long var10 /* : Int */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-val* var14 /* : nullable Object */;
-val* var15 /* : ArraySet[MType] */;
-val* var_types /* var types: ArraySet[MType] */;
-val* var16 /* : nullable Object */;
-val* var_res /* var res: MVirtualTypeDef */;
-val* var_ /* var : Array[MVirtualTypeDef] */;
-val* var17 /* : IndexedIterator[nullable Object] */;
-val* var_18 /* var : IndexedIterator[MVirtualTypeDef] */;
-short int var19 /* : Bool */;
-val* var20 /* : nullable Object */;
-val* var_p /* var p: MVirtualTypeDef */;
-val* var21 /* : nullable MType */;
-val* var23 /* : nullable MType */;
-short int var24 /* : Bool */;
-short int var26 /* : Bool */;
-short int var27 /* : Bool */;
-long var28 /* : Int */;
-short int var29 /* : Bool */;
-short int var31 /* : Bool */;
-var_mmodule = p0;
-var_resolved_receiver = p1;
-{
-var1 = ((short int(*)(val* self))(var_resolved_receiver->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_resolved_receiver); /* need_anchor on <var_resolved_receiver:MType>*/
-}
-var2 = !var1;
-if (unlikely(!var2)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1382);
-fatal_exit(1);
-}
-{
-{ /* Inline model#MVirtualType#mproperty (self) on <self:MVirtualType> */
-var5 = self->attrs[COLOR_nitc__model__MVirtualType___mproperty].val; /* _mproperty on <self:MVirtualType> */
-if (unlikely(var5 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1369);
-fatal_exit(1);
-}
-var3 = var5;
-RET_LABEL4:(void)0;
-}
-}
-{
-var6 = nitc___nitc__MProperty___lookup_definitions(var3, var_mmodule, var_resolved_receiver);
-}
-var_props = var6;
-{
-var7 = core___core__AbstractArrayRead___core__abstract_collection__Collection__is_empty(var_props);
-}
-if (var7){
-PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1385);
-fatal_exit(1);
-} else {
-{
-{ /* Inline array#AbstractArrayRead#length (var_props) on <var_props:Array[MVirtualTypeDef]> */
-var10 = var_props->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_props:Array[MVirtualTypeDef]> */
-var8 = var10;
-RET_LABEL9:(void)0;
-}
-}
-{
-{ /* Inline kernel#Int#== (var8,1l) on <var8:Int> */
-var13 = var8 == 1l;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-}
-if (var11){
-{
-var14 = core___core__SequenceRead___Collection__first(var_props);
-}
-var = var14;
-goto RET_LABEL;
-} else {
-}
-}
-var15 = NEW_core__ArraySet(&type_core__ArraySet__nitc__MType);
-{
-core___core__ArraySet___core__kernel__Object__init(var15); /* Direct call array#ArraySet#init on <var15:ArraySet[MType]>*/
-}
-var_types = var15;
-{
-var16 = core___core__SequenceRead___Collection__first(var_props);
-}
-var_res = var16;
-var_ = var_props;
-{
-var17 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
-}
-var_18 = var17;
-for(;;) {
-{
-var19 = ((short int(*)(val* self))((((long)var_18&3)?class_info[((long)var_18&3)]:var_18->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_18); /* is_ok on <var_18:IndexedIterator[MVirtualTypeDef]>*/
-}
-if (var19){
-} else {
-goto BREAK_label;
-}
-{
-var20 = ((val*(*)(val* self))((((long)var_18&3)?class_info[((long)var_18&3)]:var_18->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_18); /* item on <var_18:IndexedIterator[MVirtualTypeDef]>*/
-}
-var_p = var20;
-{
-{ /* Inline model#MVirtualTypeDef#bound (var_p) on <var_p:MVirtualTypeDef> */
-var23 = var_p->attrs[COLOR_nitc__model__MVirtualTypeDef___bound].val; /* _bound on <var_p:MVirtualTypeDef> */
-var21 = var23;
-RET_LABEL22:(void)0;
-}
-}
-if (unlikely(var21 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1392);
-fatal_exit(1);
-}
-{
-core___core__ArraySet___core__abstract_collection__SimpleCollection__add(var_types, var21); /* Direct call array#ArraySet#add on <var_types:ArraySet[MType]>*/
-}
-{
-{ /* Inline model#MVirtualTypeDef#is_fixed (var_res) on <var_res:MVirtualTypeDef> */
-var26 = var_res->attrs[COLOR_nitc__model__MVirtualTypeDef___is_fixed].s; /* _is_fixed on <var_res:MVirtualTypeDef> */
-var24 = var26;
-RET_LABEL25:(void)0;
-}
-}
-var27 = !var24;
-if (var27){
-var_res = var_p;
-} else {
-}
-{
-((void(*)(val* self))((((long)var_18&3)?class_info[((long)var_18&3)]:var_18->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_18); /* next on <var_18:IndexedIterator[MVirtualTypeDef]>*/
-}
-}
-BREAK_label: (void)0;
-{
-((void(*)(val* self))((((long)var_18&3)?class_info[((long)var_18&3)]:var_18->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_18); /* finish on <var_18:IndexedIterator[MVirtualTypeDef]>*/
-}
-{
-var28 = core___core__ArraySet___core__abstract_collection__Collection__length(var_types);
-}
-{
-{ /* Inline kernel#Int#== (var28,1l) on <var28:Int> */
-var31 = var28 == 1l;
-var29 = var31;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
-}
-}
-if (var29){
-var = var_res;
-goto RET_LABEL;
-} else {
-}
-PRINT_ERROR("Runtime error: %s", "Aborted");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1398);
-fatal_exit(1);
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#lookup_fixed for (self: MVirtualType, MModule, MType): MType */
-val* nitc___nitc__MVirtualType___MType__lookup_fixed(val* self, val* p0, val* p1) {
-val* var /* : MType */;
-val* var_mmodule /* var mmodule: MModule */;
-val* var_resolved_receiver /* var resolved_receiver: MType */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var3 /* : MType */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-val* var5 /* : MVirtualTypeDef */;
-val* var_prop /* var prop: MVirtualTypeDef */;
-val* var6 /* : nullable MType */;
-val* var8 /* : nullable MType */;
-val* var_res /* var res: nullable MType */;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-val* var15 /* : MBottomType */;
-val* var16 /* : Model */;
-val* var17 /* : MType */;
-short int var18 /* : Bool */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-short int var_ /* var : Bool */;
-val* var25 /* : MClass */;
-val* var27 /* : MClass */;
-val* var28 /* : MClassKind */;
-val* var30 /* : MClassKind */;
-val* var31 /* : Sys */;
-val* var32 /* : MClassKind */;
-short int var33 /* : Bool */;
-short int var35 /* : Bool */;
-short int var37 /* : Bool */;
-val* var38 /* : MClass */;
-val* var40 /* : MClass */;
-val* var41 /* : MClassKind */;
-val* var43 /* : MClassKind */;
-val* var44 /* : Sys */;
-val* var45 /* : MClassKind */;
-short int var46 /* : Bool */;
-short int var48 /* : Bool */;
-short int var50 /* : Bool */;
-var_mmodule = p0;
-var_resolved_receiver = p1;
-{
-var1 = ((short int(*)(val* self))(var_resolved_receiver->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_resolved_receiver); /* need_anchor on <var_resolved_receiver:MType>*/
-}
-var2 = !var1;
-if (unlikely(!var2)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1407);
-fatal_exit(1);
-}
-{
-var3 = ((val*(*)(val* self))(var_resolved_receiver->class->vft[COLOR_nitc__model__MType__undecorate]))(var_resolved_receiver); /* undecorate on <var_resolved_receiver:MType>*/
-}
-var_resolved_receiver = var3;
-/* <var_resolved_receiver:MType> isa MClassType */
-cltype = type_nitc__MClassType.color;
-idtype = type_nitc__MClassType.id;
-if(cltype >= var_resolved_receiver->type->table_size) {
-var4 = 0;
-} else {
-var4 = var_resolved_receiver->type->type_table[cltype] == idtype;
-}
-if (unlikely(!var4)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1409);
-fatal_exit(1);
-}
-{
-var5 = nitc___nitc__MVirtualType___lookup_single_definition(self, var_mmodule, var_resolved_receiver);
-}
-var_prop = var5;
-{
-{ /* Inline model#MVirtualTypeDef#bound (var_prop) on <var_prop:MVirtualTypeDef> */
-var8 = var_prop->attrs[COLOR_nitc__model__MVirtualTypeDef___bound].val; /* _bound on <var_prop:MVirtualTypeDef> */
-var6 = var8;
-RET_LABEL7:(void)0;
-}
-}
-var_res = var6;
-if (var_res == NULL) {
-var9 = 1; /* is null */
-} else {
-var9 = 0; /* arg is null but recv is not */
-}
-if (0) {
-{ /* 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)> */
-var14 = var_res == var_other;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-}
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
-}
-var9 = var10;
-}
-if (var9){
-var15 = NEW_nitc__MBottomType(&type_nitc__MBottomType);
-{
-var16 = nitc___nitc__MVirtualType___nitc__model_base__MEntity__model(self);
-}
-{
-((void(*)(val* self, val* p0))(var15->class->vft[COLOR_nitc__model__MBottomType__model_61d]))(var15, var16); /* model= on <var15:MBottomType>*/
-}
-{
-((void(*)(val* self))(var15->class->vft[COLOR_core__kernel__Object__init]))(var15); /* init on <var15:MBottomType>*/
-}
-var = var15;
-goto RET_LABEL;
-} else {
-}
-{
-var17 = ((val*(*)(val* self, val* p0, val* p1))(var_res->class->vft[COLOR_nitc__model__MType__lookup_fixed]))(var_res, var_mmodule, var_resolved_receiver); /* lookup_fixed on <var_res:nullable MType(MType)>*/
-}
-var_res = var17;
-{
-{ /* Inline model#MVirtualTypeDef#is_fixed (var_prop) on <var_prop:MVirtualTypeDef> */
-var20 = var_prop->attrs[COLOR_nitc__model__MVirtualTypeDef___is_fixed].s; /* _is_fixed on <var_prop:MVirtualTypeDef> */
-var18 = var20;
-RET_LABEL19:(void)0;
-}
-}
-if (var18){
-var = var_res;
-goto RET_LABEL;
-} else {
-}
-/* <var_res:nullable MType(MType)> isa MClassType */
-cltype23 = type_nitc__MClassType.color;
-idtype24 = type_nitc__MClassType.id;
-if(cltype23 >= var_res->type->table_size) {
-var22 = 0;
-} else {
-var22 = var_res->type->type_table[cltype23] == idtype24;
-}
-var_ = var22;
-if (var22){
-{
-{ /* Inline model#MClassType#mclass (var_res) on <var_res:nullable MType(MClassType)> */
-var27 = var_res->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_res:nullable MType(MClassType)> */
-if (unlikely(var27 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var25 = var27;
-RET_LABEL26:(void)0;
-}
-}
-{
-{ /* Inline model#MClass#kind (var25) on <var25:MClass> */
-var30 = var25->attrs[COLOR_nitc__model__MClass___kind].val; /* _kind on <var25:MClass> */
-if (unlikely(var30 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _kind");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 459);
-fatal_exit(1);
-}
-var28 = var30;
-RET_LABEL29:(void)0;
-}
-}
-var31 = glob_sys;
-{
-var32 = nitc__model___core__Sys___enum_kind(var31);
-}
-{
-{ /* Inline kernel#Object#== (var28,var32) on <var28:MClassKind> */
-var_other = var32;
-{
-{ /* Inline kernel#Object#is_same_instance (var28,var_other) on <var28:MClassKind> */
-var37 = var28 == var_other;
-var35 = var37;
-goto RET_LABEL36;
-RET_LABEL36:(void)0;
-}
-}
-var33 = var35;
-goto RET_LABEL34;
-RET_LABEL34:(void)0;
-}
-}
-var21 = var33;
-} else {
-var21 = var_;
-}
-if (var21){
-var = var_res;
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline model#MClassType#mclass (var_resolved_receiver) on <var_resolved_receiver:MType(MClassType)> */
-var40 = var_resolved_receiver->attrs[COLOR_nitc__model__MClassType___mclass].val; /* _mclass on <var_resolved_receiver:MType(MClassType)> */
-if (unlikely(var40 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mclass");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1163);
-fatal_exit(1);
-}
-var38 = var40;
-RET_LABEL39:(void)0;
-}
-}
-{
-{ /* Inline model#MClass#kind (var38) on <var38:MClass> */
-var43 = var38->attrs[COLOR_nitc__model__MClass___kind].val; /* _kind on <var38:MClass> */
-if (unlikely(var43 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _kind");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 459);
-fatal_exit(1);
-}
-var41 = var43;
-RET_LABEL42:(void)0;
-}
-}
-var44 = glob_sys;
-{
-var45 = nitc__model___core__Sys___enum_kind(var44);
-}
-{
-{ /* Inline kernel#Object#== (var41,var45) on <var41:MClassKind> */
-var_other = var45;
-{
-{ /* Inline kernel#Object#is_same_instance (var41,var_other) on <var41:MClassKind> */
-var50 = var41 == var_other;
-var48 = var50;
-goto RET_LABEL49;
-RET_LABEL49:(void)0;
-}
-}
-var46 = var48;
-goto RET_LABEL47;
-RET_LABEL47:(void)0;
-}
-}
-if (var46){
-var = var_res;
-goto RET_LABEL;
-} else {
-}
-var = self;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#resolve_for for (self: MVirtualType, MType, nullable MClassType, MModule, Bool): MType */
-val* nitc___nitc__MVirtualType___MType__resolve_for(val* self, val* p0, val* p1, val* p2, short int p3) {
-val* var /* : MType */;
-val* var_mtype /* var mtype: MType */;
-val* var_anchor /* var anchor: nullable MClassType */;
-val* var_mmodule /* var mmodule: MModule */;
-short int var_cleanup_virtual /* var cleanup_virtual: Bool */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-val* var9 /* : MType */;
-val* var_resolved_receiver /* var resolved_receiver: nullable Object */;
-val* var10 /* : MType */;
-val* var_verbatim_bound /* var verbatim_bound: MType */;
-val* var11 /* : MType */;
-val* var_res /* var res: MType */;
-var_mtype = p0;
-var_anchor = p1;
-var_mmodule = p2;
-var_cleanup_virtual = p3;
-var1 = !var_cleanup_virtual;
-if (var1){
-var = self;
-goto RET_LABEL;
-} else {
-}
-{
-var2 = nitc___nitc__MVirtualType___MType__can_resolve_for(self, var_mtype, var_anchor, var_mmodule);
-}
-if (unlikely(!var2)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1433);
-fatal_exit(1);
-}
-{
-var3 = ((short int(*)(val* self))(var_mtype->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_mtype); /* need_anchor on <var_mtype:MType>*/
-}
-if (var3){
-if (var_anchor == NULL) {
-var4 = 0; /* is null */
-} else {
-var4 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
-var_other = ((val*)NULL);
-{
-var7 = ((short int(*)(val* self, val* p0))(var_anchor->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_anchor, var_other); /* == on <var_anchor:nullable MClassType(MClassType)>*/
-}
-var8 = !var7;
-var5 = var8;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
-}
-var4 = var5;
-}
-if (unlikely(!var4)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1440);
-fatal_exit(1);
-}
-{
-var9 = ((val*(*)(val* self, val* p0, val* p1, val* p2, short int p3))(var_mtype->class->vft[COLOR_nitc__model__MType__resolve_for]))(var_mtype, var_anchor, ((val*)NULL), var_mmodule, 1); /* resolve_for on <var_mtype:MType>*/
-}
-var_resolved_receiver = var9;
-} else {
-var_resolved_receiver = var_mtype;
-}
-{
-var10 = nitc___nitc__MVirtualType___MType__lookup_bound(self, var_mmodule, var_resolved_receiver);
-}
-var_verbatim_bound = var10;
-{
-var11 = ((val*(*)(val* self, val* p0, val* p1, val* p2, short int p3))(var_verbatim_bound->class->vft[COLOR_nitc__model__MType__resolve_for]))(var_verbatim_bound, var_mtype, var_anchor, var_mmodule, var_cleanup_virtual); /* resolve_for on <var_verbatim_bound:MType>*/
-}
-var_res = var11;
-var = var_res;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#can_resolve_for for (self: MVirtualType, MType, nullable MClassType, MModule): Bool */
-short int nitc___nitc__MVirtualType___MType__can_resolve_for(val* self, val* p0, val* p1, val* p2) {
-short int var /* : Bool */;
-val* var_mtype /* var mtype: MType */;
-val* var_anchor /* var anchor: nullable MClassType */;
-val* var_mmodule /* var mmodule: MModule */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-val* var7 /* : MType */;
-val* var8 /* : MVirtualTypeProp */;
-val* var10 /* : MVirtualTypeProp */;
-short int var11 /* : Bool */;
-var_mtype = p0;
-var_anchor = p1;
-var_mmodule = p2;
-{
-var1 = ((short int(*)(val* self))(var_mtype->class->vft[COLOR_nitc__model__MType__need_anchor]))(var_mtype); /* need_anchor on <var_mtype:MType>*/
-}
-if (var1){
-if (var_anchor == NULL) {
-var2 = 0; /* is null */
-} else {
-var2 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_anchor,((val*)NULL)) on <var_anchor:nullable MClassType> */
-var_other = ((val*)NULL);
-{
-var5 = ((short int(*)(val* self, val* p0))(var_anchor->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_anchor, var_other); /* == on <var_anchor:nullable MClassType(MClassType)>*/
-}
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var2 = var3;
-}
-if (unlikely(!var2)) {
-PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1456);
-fatal_exit(1);
-}
-{
-var7 = ((val*(*)(val* self, val* p0, val* p1))(var_mtype->class->vft[COLOR_nitc__model__MType__anchor_to]))(var_mtype, var_mmodule, var_anchor); /* anchor_to on <var_mtype:MType>*/
-}
-var_mtype = var7;
-} else {
-}
-{
-{ /* Inline model#MVirtualType#mproperty (self) on <self:MVirtualType> */
-var10 = self->attrs[COLOR_nitc__model__MVirtualType___mproperty].val; /* _mproperty on <self:MVirtualType> */
-if (unlikely(var10 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1369);
-fatal_exit(1);
-}
-var8 = var10;
-RET_LABEL9:(void)0;
-}
-}
-{
-var11 = nitc___nitc__MType___has_mproperty(var_mtype, var_mmodule, var8);
-}
-var = var11;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method model#MVirtualType#to_s for (self: MVirtualType): String */
-val* nitc___nitc__MVirtualType___core__abstract_text__Object__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : MVirtualTypeProp */;
-val* var3 /* : MVirtualTypeProp */;
-val* var4 /* : String */;
-{
-{ /* Inline model#MVirtualType#mproperty (self) on <self:MVirtualType> */
-var3 = self->attrs[COLOR_nitc__model__MVirtualType___mproperty].val; /* _mproperty on <self:MVirtualType> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _mproperty");
-PRINT_ERROR(" (%s:%d)\n", FILE_nitc__model, 1369);
-fatal_exit(1);
-}
-var1 = var3;
-RET_LABEL2:(void)0;
-}
-}
-{
-var4 = nitc___nitc__MProperty___core__abstract_text__Object__to_s(var1);
-}
-var = var4;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}