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

diff --git a/c_src/parser.sep.9.c b/c_src/parser.sep.9.c
index 22730ce..8c2e5b3 100644
--- a/c_src/parser.sep.9.c
+++ b/c_src/parser.sep.9.c
@@ -1,6 +1,6 @@
 #include "parser.sep.0.h"
-/* method parser#ReduceAction307#action for (self: ReduceAction307, Parser) */
-void parser__ReduceAction307__action(val* self, val* p0) {
+/* method parser#ReduceAction314#action for (self: ReduceAction314, Parser) */
+void parser__ReduceAction314__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
@@ -29,56 +29,65 @@ val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
 val* var12 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var13 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
+val* var_listnode7 /* var listnode7: Array[Object] */;
 val* var14 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
+val* var_listnode16 /* var listnode16: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode14 /* var listnode14: Array[Object] */;
+val* var_listnode18 /* var listnode18: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
 short int var16 /* : Bool */;
 int cltype;
 int idtype;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
 short int var17 /* : Bool */;
 int cltype18;
 int idtype19;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
 short int var20 /* : Bool */;
 int cltype21;
 int idtype22;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
 short int var23 /* : Bool */;
 int cltype24;
 int idtype25;
-val* var_listnode7 /* var listnode7: nullable Object */;
+val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
 short int var26 /* : Bool */;
 int cltype27;
 int idtype28;
 val* var29 /* : Array[Object] */;
-val* var_pexterncodeblocknode10 /* var pexterncodeblocknode10: nullable Object */;
+val* var_listnode12 /* var listnode12: Array[Object] */;
+val* var_listnode11 /* var listnode11: nullable Object */;
 short int var30 /* : Bool */;
 int cltype31;
 int idtype32;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var33 /* : Bool */;
-int cltype34;
-int idtype35;
-val* var36 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: nullable Object */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-val* var40 /* : Array[Object] */;
-val* var_tkwendnode15 /* var tkwendnode15: nullable Object */;
+val* var33 /* : Array[Object] */;
+val* var34 /* : AAnnotations */;
+val* var35 /* : null */;
+val* var36 /* : null */;
+val* var37 /* : null */;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
+val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
+short int var38 /* : Bool */;
+int cltype39;
+int idtype40;
+val* var_listnode15 /* var listnode15: nullable Object */;
 short int var41 /* : Bool */;
 int cltype42;
 int idtype43;
-val* var44 /* : AStdClassdef */;
-val* var45 /* : null */;
-val* var46 /* : null */;
+val* var44 /* : Array[Object] */;
+val* var_listnode17 /* var listnode17: nullable Object */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+val* var48 /* : Array[Object] */;
+val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+short int var49 /* : Bool */;
+int cltype50;
+int idtype51;
+val* var52 /* : AStdClassdef */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var47 /* : Int */;
-long var48 /* : Int */;
+long var53 /* : Int */;
+long var54 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
@@ -108,16 +117,13 @@ var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p)
 var_nodearraylist1 = var12;
 var13 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var13->class->vft[COLOR_array__Array__init]))(var13) /* init on <var13:Array[Object]>*/;
-CHECK_NEW_array__Array(var13);
-var_listnode8 = var13;
+var_listnode7 = var13;
 var14 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode12 = var14;
+var_listnode16 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode14 = var15;
+var_listnode18 = var15;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
@@ -133,486 +139,516 @@ var16 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14182);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14474);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist2;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype18 = type_nullable_parser_nodes__AVisibility.color;
-idtype19 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype18 = type_nullable_parser_nodes__TKwredef.color;
+idtype19 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
 var17 = 1;
 } else {
-if(cltype18 >= var_pvisibilitynode4->type->table_size) {
+if(cltype18 >= var_tkwredefnode3->type->table_size) {
 var17 = 0;
 } else {
-var17 = var_pvisibilitynode4->type->type_table[cltype18] == idtype19;
+var17 = var_tkwredefnode3->type->type_table[cltype18] == idtype19;
 }
 }
 if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14184);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14476);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist3;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype21 = type_nullable_parser_nodes__AClasskind.color;
-idtype22 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
+var_pvisibilitynode4 = var_nodearraylist3;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype21 = type_nullable_parser_nodes__AVisibility.color;
+idtype22 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
 var20 = 1;
 } else {
-if(cltype21 >= var_pclasskindnode5->type->table_size) {
+if(cltype21 >= var_pvisibilitynode4->type->table_size) {
 var20 = 0;
 } else {
-var20 = var_pclasskindnode5->type->type_table[cltype21] == idtype22;
+var20 = var_pvisibilitynode4->type->type_table[cltype21] == idtype22;
 }
 }
 if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14186);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14478);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist6;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype24 = type_nullable_parser_nodes__TClassid.color;
-idtype25 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
+var_pclasskindnode5 = var_nodearraylist4;
+/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
+cltype24 = type_nullable_parser_nodes__AClasskind.color;
+idtype25 = type_nullable_parser_nodes__AClasskind.id;
+if(var_pclasskindnode5 == NULL) {
 var23 = 1;
 } else {
-if(cltype24 >= var_tclassidnode6->type->table_size) {
+if(cltype24 >= var_pclasskindnode5->type->table_size) {
 var23 = 0;
 } else {
-var23 = var_tclassidnode6->type->type_table[cltype24] == idtype25;
+var23 = var_pclasskindnode5->type->type_table[cltype24] == idtype25;
 }
 }
 if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14188);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14480);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist7;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype27 = type_array__Arraykernel__Object.color;
-idtype28 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var26 = 0;
+var_tclassidnode6 = var_nodearraylist6;
+/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
+cltype27 = type_nullable_parser_nodes__TClassid.color;
+idtype28 = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode6 == NULL) {
+var26 = 1;
 } else {
-if(cltype27 >= var_listnode7->type->table_size) {
+if(cltype27 >= var_tclassidnode6->type->table_size) {
 var26 = 0;
 } else {
-var26 = var_listnode7->type->type_table[cltype27] == idtype28;
+var26 = var_tclassidnode6->type->type_table[cltype27] == idtype28;
 }
 }
 if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14190);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14482);
+show_backtrace(1);
 }
-var29 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction307>*/;
-var_listnode8 = var29;
-var_pexterncodeblocknode10 = var_nodearraylist8;
-/* <var_pexterncodeblocknode10:nullable Object> isa nullable AExternCodeBlock */
-cltype31 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype32 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode10 == NULL) {
-var30 = 1;
+var29 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var29->class->vft[COLOR_array__Array__init]))(var29) /* init on <var29:Array[Object]>*/;
+var_listnode12 = var29;
+var_listnode11 = var_nodearraylist7;
+/* <var_listnode11:nullable Object> isa Array[Object] */
+cltype31 = type_array__Arraykernel__Object.color;
+idtype32 = type_array__Arraykernel__Object.id;
+if(var_listnode11 == NULL) {
+var30 = 0;
 } else {
-if(cltype31 >= var_pexterncodeblocknode10->type->table_size) {
+if(cltype31 >= var_listnode11->type->table_size) {
 var30 = 0;
 } else {
-var30 = var_pexterncodeblocknode10->type->type_table[cltype31] == idtype32;
+var30 = var_listnode11->type->type_table[cltype31] == idtype32;
 }
 }
 if (!var30) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14193);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14485);
+show_backtrace(1);
 }
-var_listnode11 = var_nodearraylist9;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype34 = type_array__Arraykernel__Object.color;
-idtype35 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var33 = 0;
+var33 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction314>*/;
+var_listnode12 = var33;
+var34 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var35 = NULL;
+var36 = NULL;
+var37 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var34->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var34, var35, var36, var_listnode12, var37) /* init_aannotations on <var34:AAnnotations>*/;
+var_pannotationsnode8 = var34;
+var_pexterncodeblocknode14 = var_nodearraylist8;
+/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
+cltype39 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype40 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode14 == NULL) {
+var38 = 1;
 } else {
-if(cltype34 >= var_listnode11->type->table_size) {
-var33 = 0;
+if(cltype39 >= var_pexterncodeblocknode14->type->table_size) {
+var38 = 0;
 } else {
-var33 = var_listnode11->type->type_table[cltype34] == idtype35;
+var38 = var_pexterncodeblocknode14->type->type_table[cltype39] == idtype40;
 }
 }
-if (!var33) {
+if (!var38) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14195);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14494);
+show_backtrace(1);
 }
-var36 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction307>*/;
-var_listnode12 = var36;
-var_listnode13 = var_nodearraylist10;
-/* <var_listnode13:nullable Object> isa Array[Object] */
-cltype38 = type_array__Arraykernel__Object.color;
-idtype39 = type_array__Arraykernel__Object.id;
-if(var_listnode13 == NULL) {
-var37 = 0;
+var_listnode15 = var_nodearraylist9;
+/* <var_listnode15:nullable Object> isa Array[Object] */
+cltype42 = type_array__Arraykernel__Object.color;
+idtype43 = type_array__Arraykernel__Object.id;
+if(var_listnode15 == NULL) {
+var41 = 0;
 } else {
-if(cltype38 >= var_listnode13->type->table_size) {
-var37 = 0;
+if(cltype42 >= var_listnode15->type->table_size) {
+var41 = 0;
 } else {
-var37 = var_listnode13->type->type_table[cltype38] == idtype39;
+var41 = var_listnode15->type->type_table[cltype42] == idtype43;
 }
 }
-if (!var37) {
+if (!var41) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14198);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14496);
+show_backtrace(1);
 }
-var40 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode14, var_listnode13) /* concat on <self:ReduceAction307>*/;
-var_listnode14 = var40;
-var_tkwendnode15 = var_nodearraylist12;
-/* <var_tkwendnode15:nullable Object> isa nullable TKwend */
-cltype42 = type_nullable_parser_nodes__TKwend.color;
-idtype43 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode15 == NULL) {
-var41 = 1;
+var44 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction314>*/;
+var_listnode16 = var44;
+var_listnode17 = var_nodearraylist10;
+/* <var_listnode17:nullable Object> isa Array[Object] */
+cltype46 = type_array__Arraykernel__Object.color;
+idtype47 = type_array__Arraykernel__Object.id;
+if(var_listnode17 == NULL) {
+var45 = 0;
 } else {
-if(cltype42 >= var_tkwendnode15->type->table_size) {
-var41 = 0;
+if(cltype46 >= var_listnode17->type->table_size) {
+var45 = 0;
 } else {
-var41 = var_tkwendnode15->type->type_table[cltype42] == idtype43;
+var45 = var_listnode17->type->type_table[cltype46] == idtype47;
 }
 }
-if (!var41) {
+if (!var45) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14499);
+show_backtrace(1);
+}
+var48 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction314>*/;
+var_listnode18 = var48;
+var_tkwendnode19 = var_nodearraylist12;
+/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
+cltype50 = type_nullable_parser_nodes__TKwend.color;
+idtype51 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode19 == NULL) {
+var49 = 1;
+} else {
+if(cltype50 >= var_tkwendnode19->type->table_size) {
+var49 = 0;
+} else {
+var49 = var_tkwendnode19->type->type_table[cltype50] == idtype51;
+}
+}
+if (!var49) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14201);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14502);
+show_backtrace(1);
 }
-var44 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var45 = NULL;
-var46 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var44->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var44, var_pdocnode2, var45, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var46, var_pexterncodeblocknode10, var_listnode12, var_listnode14, var_tkwendnode15) /* init_astdclassdef on <var44:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var44);
-var_pclassdefnode1 = var44;
+var52 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var52->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var52, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var52:AStdClassdef>*/;
+var_pclassdefnode1 = var52;
 var_node_list = var_pclassdefnode1;
-var47 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction307> */
-var48 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var47) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var48, var_node_list) /* push on <var_p:Parser>*/;
+var53 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction314> */
+var54 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var53) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var54, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction307#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction307__action(val* self, val* p0) {
-parser__ReduceAction307__action(self, p0);
+/* method parser#ReduceAction314#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction314__action(val* self, val* p0) {
+parser__ReduceAction314__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction308#action for (self: ReduceAction308, Parser) */
-void parser__ReduceAction308__action(val* self, val* p0) {
+/* method parser#ReduceAction315#action for (self: ReduceAction315, Parser) */
+void parser__ReduceAction315__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var2 /* : nullable Object */;
 val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var10 /* : nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var11 /* : nullable Object */;
+val* var10 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var12 /* : nullable Object */;
+val* var11 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var13 /* : nullable Object */;
+val* var12 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var13 /* : Array[Object] */;
+val* var_listnode7 /* var listnode7: Array[Object] */;
 val* var14 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
+val* var_listnode16 /* var listnode16: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var16 /* : Array[Object] */;
-val* var_listnode14 /* var listnode14: Array[Object] */;
+val* var_listnode18 /* var listnode18: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var17 /* : Bool */;
+short int var16 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
 val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
 val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-val* var_listnode7 /* var listnode7: nullable Object */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var26 /* : Array[Object] */;
+val* var_listnode12 /* var listnode12: Array[Object] */;
+val* var_listnode11 /* var listnode11: nullable Object */;
 short int var27 /* : Bool */;
 int cltype28;
 int idtype29;
 val* var30 /* : Array[Object] */;
-val* var_pexterncodeblocknode10 /* var pexterncodeblocknode10: nullable Object */;
-short int var31 /* : Bool */;
-int cltype32;
-int idtype33;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var34 /* : Bool */;
-int cltype35;
-int idtype36;
-val* var37 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: nullable Object */;
+val* var31 /* : AAnnotations */;
+val* var32 /* : null */;
+val* var33 /* : null */;
+val* var34 /* : null */;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
+val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
+short int var35 /* : Bool */;
+int cltype36;
+int idtype37;
+val* var_listnode15 /* var listnode15: nullable Object */;
 short int var38 /* : Bool */;
 int cltype39;
 int idtype40;
 val* var41 /* : Array[Object] */;
-val* var_tkwendnode15 /* var tkwendnode15: nullable Object */;
+val* var_listnode17 /* var listnode17: nullable Object */;
 short int var42 /* : Bool */;
 int cltype43;
 int idtype44;
-val* var45 /* : AStdClassdef */;
-val* var46 /* : null */;
-val* var47 /* : null */;
+val* var45 /* : Array[Object] */;
+val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+short int var46 /* : Bool */;
+int cltype47;
+int idtype48;
+val* var49 /* : AStdClassdef */;
+val* var50 /* : null */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var48 /* : Int */;
-long var49 /* : Int */;
+long var51 /* : Int */;
+long var52 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var1;
+var_nodearraylist12 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var2;
+var_nodearraylist11 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var3;
+var_nodearraylist10 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var4;
+var_nodearraylist9 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var5;
+var_nodearraylist8 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var6;
+var_nodearraylist7 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var7;
+var_nodearraylist6 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var8;
+var_nodearraylist5 = var8;
 var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var9;
+var_nodearraylist4 = var9;
 var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var10;
+var_nodearraylist3 = var10;
 var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var11;
+var_nodearraylist2 = var11;
 var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var12;
-var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var13;
+var_nodearraylist1 = var12;
+var13 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var13->class->vft[COLOR_array__Array__init]))(var13) /* init on <var13:Array[Object]>*/;
+var_listnode7 = var13;
 var14 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode8 = var14;
+var_listnode16 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode12 = var15;
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode14 = var16;
+var_listnode18 = var15;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var17 = 1;
+var16 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var17 = 0;
+var16 = 0;
 } else {
-var17 = var_pdocnode2->type->type_table[cltype] == idtype;
+var16 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var17) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14241);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14541);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype19 = type_nullable_parser_nodes__AVisibility.color;
-idtype20 = type_nullable_parser_nodes__AVisibility.id;
+cltype18 = type_nullable_parser_nodes__AVisibility.color;
+idtype19 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var18 = 1;
+var17 = 1;
 } else {
-if(cltype19 >= var_pvisibilitynode4->type->table_size) {
-var18 = 0;
+if(cltype18 >= var_pvisibilitynode4->type->table_size) {
+var17 = 0;
 } else {
-var18 = var_pvisibilitynode4->type->type_table[cltype19] == idtype20;
+var17 = var_pvisibilitynode4->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var18) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14243);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14543);
+show_backtrace(1);
 }
 var_pclasskindnode5 = var_nodearraylist3;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype22 = type_nullable_parser_nodes__AClasskind.color;
-idtype23 = type_nullable_parser_nodes__AClasskind.id;
+cltype21 = type_nullable_parser_nodes__AClasskind.color;
+idtype22 = type_nullable_parser_nodes__AClasskind.id;
 if(var_pclasskindnode5 == NULL) {
-var21 = 1;
+var20 = 1;
 } else {
-if(cltype22 >= var_pclasskindnode5->type->table_size) {
-var21 = 0;
+if(cltype21 >= var_pclasskindnode5->type->table_size) {
+var20 = 0;
 } else {
-var21 = var_pclasskindnode5->type->type_table[cltype22] == idtype23;
+var20 = var_pclasskindnode5->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var21) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14245);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14545);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist7;
+var_tclassidnode6 = var_nodearraylist6;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype25 = type_nullable_parser_nodes__TClassid.color;
-idtype26 = type_nullable_parser_nodes__TClassid.id;
+cltype24 = type_nullable_parser_nodes__TClassid.color;
+idtype25 = type_nullable_parser_nodes__TClassid.id;
 if(var_tclassidnode6 == NULL) {
-var24 = 1;
+var23 = 1;
 } else {
-if(cltype25 >= var_tclassidnode6->type->table_size) {
-var24 = 0;
+if(cltype24 >= var_tclassidnode6->type->table_size) {
+var23 = 0;
 } else {
-var24 = var_tclassidnode6->type->type_table[cltype25] == idtype26;
+var23 = var_tclassidnode6->type->type_table[cltype24] == idtype25;
 }
 }
-if (!var24) {
+if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14247);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14547);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist8;
-/* <var_listnode7:nullable Object> isa Array[Object] */
+var26 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var26->class->vft[COLOR_array__Array__init]))(var26) /* init on <var26:Array[Object]>*/;
+var_listnode12 = var26;
+var_listnode11 = var_nodearraylist7;
+/* <var_listnode11:nullable Object> isa Array[Object] */
 cltype28 = type_array__Arraykernel__Object.color;
 idtype29 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
+if(var_listnode11 == NULL) {
 var27 = 0;
 } else {
-if(cltype28 >= var_listnode7->type->table_size) {
+if(cltype28 >= var_listnode11->type->table_size) {
 var27 = 0;
 } else {
-var27 = var_listnode7->type->type_table[cltype28] == idtype29;
+var27 = var_listnode11->type->type_table[cltype28] == idtype29;
 }
 }
 if (!var27) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14249);
-exit(1);
-}
-var30 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction308>*/;
-var_listnode8 = var30;
-var_pexterncodeblocknode10 = var_nodearraylist9;
-/* <var_pexterncodeblocknode10:nullable Object> isa nullable AExternCodeBlock */
-cltype32 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype33 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode10 == NULL) {
-var31 = 1;
-} else {
-if(cltype32 >= var_pexterncodeblocknode10->type->table_size) {
-var31 = 0;
-} else {
-var31 = var_pexterncodeblocknode10->type->type_table[cltype32] == idtype33;
-}
-}
-if (!var31) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14252);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14550);
+show_backtrace(1);
 }
-var_listnode11 = var_nodearraylist10;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype35 = type_array__Arraykernel__Object.color;
-idtype36 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var34 = 0;
+var30 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction315>*/;
+var_listnode12 = var30;
+var31 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var32 = NULL;
+var33 = NULL;
+var34 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var31->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var31, var32, var33, var_listnode12, var34) /* init_aannotations on <var31:AAnnotations>*/;
+var_pannotationsnode8 = var31;
+var_pexterncodeblocknode14 = var_nodearraylist8;
+/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
+cltype36 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype37 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode14 == NULL) {
+var35 = 1;
 } else {
-if(cltype35 >= var_listnode11->type->table_size) {
-var34 = 0;
+if(cltype36 >= var_pexterncodeblocknode14->type->table_size) {
+var35 = 0;
 } else {
-var34 = var_listnode11->type->type_table[cltype35] == idtype36;
+var35 = var_pexterncodeblocknode14->type->type_table[cltype36] == idtype37;
 }
 }
-if (!var34) {
+if (!var35) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14254);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14559);
+show_backtrace(1);
 }
-var37 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction308>*/;
-var_listnode12 = var37;
-var_listnode13 = var_nodearraylist11;
-/* <var_listnode13:nullable Object> isa Array[Object] */
+var_listnode15 = var_nodearraylist9;
+/* <var_listnode15:nullable Object> isa Array[Object] */
 cltype39 = type_array__Arraykernel__Object.color;
 idtype40 = type_array__Arraykernel__Object.id;
-if(var_listnode13 == NULL) {
+if(var_listnode15 == NULL) {
 var38 = 0;
 } else {
-if(cltype39 >= var_listnode13->type->table_size) {
+if(cltype39 >= var_listnode15->type->table_size) {
 var38 = 0;
 } else {
-var38 = var_listnode13->type->type_table[cltype39] == idtype40;
+var38 = var_listnode15->type->type_table[cltype39] == idtype40;
 }
 }
 if (!var38) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14257);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14561);
+show_backtrace(1);
 }
-var41 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode14, var_listnode13) /* concat on <self:ReduceAction308>*/;
-var_listnode14 = var41;
-var_tkwendnode15 = var_nodearraylist13;
-/* <var_tkwendnode15:nullable Object> isa nullable TKwend */
-cltype43 = type_nullable_parser_nodes__TKwend.color;
-idtype44 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode15 == NULL) {
-var42 = 1;
+var41 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction315>*/;
+var_listnode16 = var41;
+var_listnode17 = var_nodearraylist10;
+/* <var_listnode17:nullable Object> isa Array[Object] */
+cltype43 = type_array__Arraykernel__Object.color;
+idtype44 = type_array__Arraykernel__Object.id;
+if(var_listnode17 == NULL) {
+var42 = 0;
 } else {
-if(cltype43 >= var_tkwendnode15->type->table_size) {
+if(cltype43 >= var_listnode17->type->table_size) {
 var42 = 0;
 } else {
-var42 = var_tkwendnode15->type->type_table[cltype43] == idtype44;
+var42 = var_listnode17->type->type_table[cltype43] == idtype44;
 }
 }
 if (!var42) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14260);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14564);
+show_backtrace(1);
+}
+var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction315>*/;
+var_listnode18 = var45;
+var_tkwendnode19 = var_nodearraylist12;
+/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
+cltype47 = type_nullable_parser_nodes__TKwend.color;
+idtype48 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode19 == NULL) {
+var46 = 1;
+} else {
+if(cltype47 >= var_tkwendnode19->type->table_size) {
+var46 = 0;
+} else {
+var46 = var_tkwendnode19->type->type_table[cltype47] == idtype48;
+}
+}
+if (!var46) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14567);
+show_backtrace(1);
 }
-var45 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var46 = NULL;
-var47 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var45->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var45, var_pdocnode2, var46, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var47, var_pexterncodeblocknode10, var_listnode12, var_listnode14, var_tkwendnode15) /* init_astdclassdef on <var45:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var45);
-var_pclassdefnode1 = var45;
+var49 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+var50 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var49->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var49, var_pdocnode2, var50, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var49:AStdClassdef>*/;
+var_pclassdefnode1 = var49;
 var_node_list = var_pclassdefnode1;
-var48 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction308> */
-var49 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var48) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var49, var_node_list) /* push on <var_p:Parser>*/;
+var51 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction315> */
+var52 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var51) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var52, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction308#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction308__action(val* self, val* p0) {
-parser__ReduceAction308__action(self, p0);
+/* method parser#ReduceAction315#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction315__action(val* self, val* p0) {
+parser__ReduceAction315__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction310#action for (self: ReduceAction310, Parser) */
-void parser__ReduceAction310__action(val* self, val* p0) {
+/* method parser#ReduceAction316#action for (self: ReduceAction316, Parser) */
+void parser__ReduceAction316__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
@@ -643,64 +679,67 @@ val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
 val* var13 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var14 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
+val* var_listnode7 /* var listnode7: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
+val* var_listnode16 /* var listnode16: Array[Object] */;
 val* var16 /* : Array[Object] */;
-val* var_listnode14 /* var listnode14: Array[Object] */;
+val* var_listnode18 /* var listnode18: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
 short int var17 /* : Bool */;
 int cltype;
 int idtype;
-val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
 short int var18 /* : Bool */;
 int cltype19;
 int idtype20;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
 short int var21 /* : Bool */;
 int cltype22;
 int idtype23;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
+val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
 short int var24 /* : Bool */;
 int cltype25;
 int idtype26;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-val* var_listnode7 /* var listnode7: nullable Object */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-val* var33 /* : Array[Object] */;
-val* var_pexterncodeblocknode10 /* var pexterncodeblocknode10: nullable Object */;
-short int var34 /* : Bool */;
-int cltype35;
-int idtype36;
+val* var27 /* : Array[Object] */;
+val* var_listnode12 /* var listnode12: Array[Object] */;
 val* var_listnode11 /* var listnode11: nullable Object */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-val* var40 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: nullable Object */;
-short int var41 /* : Bool */;
-int cltype42;
-int idtype43;
-val* var44 /* : Array[Object] */;
-val* var_tkwendnode15 /* var tkwendnode15: nullable Object */;
-short int var45 /* : Bool */;
-int cltype46;
-int idtype47;
-val* var48 /* : AStdClassdef */;
-val* var49 /* : null */;
-val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var50 /* : Int */;
-long var51 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var1;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+val* var31 /* : Array[Object] */;
+val* var32 /* : AAnnotations */;
+val* var33 /* : null */;
+val* var34 /* : null */;
+val* var35 /* : null */;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
+val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
+short int var36 /* : Bool */;
+int cltype37;
+int idtype38;
+val* var_listnode15 /* var listnode15: nullable Object */;
+short int var39 /* : Bool */;
+int cltype40;
+int idtype41;
+val* var42 /* : Array[Object] */;
+val* var_listnode17 /* var listnode17: nullable Object */;
+short int var43 /* : Bool */;
+int cltype44;
+int idtype45;
+val* var46 /* : Array[Object] */;
+val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+short int var47 /* : Bool */;
+int cltype48;
+int idtype49;
+val* var50 /* : AStdClassdef */;
+val* var51 /* : null */;
+val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
+long var52 /* : Int */;
+long var53 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist13 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
 var_nodearraylist12 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
@@ -727,16 +766,13 @@ var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p)
 var_nodearraylist1 = var13;
 var14 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode8 = var14;
+var_listnode7 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode12 = var15;
+var_listnode16 = var15;
 var16 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode14 = var16;
+var_listnode18 = var16;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
@@ -752,843 +788,865 @@ var17 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14300);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14607);
+show_backtrace(1);
 }
-var_tkwredefnode3 = var_nodearraylist2;
-/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype19 = type_nullable_parser_nodes__TKwredef.color;
-idtype20 = type_nullable_parser_nodes__TKwredef.id;
-if(var_tkwredefnode3 == NULL) {
+var_pvisibilitynode4 = var_nodearraylist2;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype19 = type_nullable_parser_nodes__AVisibility.color;
+idtype20 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
 var18 = 1;
 } else {
-if(cltype19 >= var_tkwredefnode3->type->table_size) {
+if(cltype19 >= var_pvisibilitynode4->type->table_size) {
 var18 = 0;
 } else {
-var18 = var_tkwredefnode3->type->type_table[cltype19] == idtype20;
+var18 = var_pvisibilitynode4->type->type_table[cltype19] == idtype20;
 }
 }
 if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14302);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14609);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist3;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype22 = type_nullable_parser_nodes__AVisibility.color;
-idtype23 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
+var_pclasskindnode5 = var_nodearraylist3;
+/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
+cltype22 = type_nullable_parser_nodes__AClasskind.color;
+idtype23 = type_nullable_parser_nodes__AClasskind.id;
+if(var_pclasskindnode5 == NULL) {
 var21 = 1;
 } else {
-if(cltype22 >= var_pvisibilitynode4->type->table_size) {
+if(cltype22 >= var_pclasskindnode5->type->table_size) {
 var21 = 0;
 } else {
-var21 = var_pvisibilitynode4->type->type_table[cltype22] == idtype23;
+var21 = var_pclasskindnode5->type->type_table[cltype22] == idtype23;
 }
 }
 if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14304);
-exit(1);
-}
-var_pclasskindnode5 = var_nodearraylist4;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype25 = type_nullable_parser_nodes__AClasskind.color;
-idtype26 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
-var24 = 1;
-} else {
-if(cltype25 >= var_pclasskindnode5->type->table_size) {
-var24 = 0;
-} else {
-var24 = var_pclasskindnode5->type->type_table[cltype25] == idtype26;
-}
-}
-if (!var24) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14306);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14611);
+show_backtrace(1);
 }
 var_tclassidnode6 = var_nodearraylist7;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype28 = type_nullable_parser_nodes__TClassid.color;
-idtype29 = type_nullable_parser_nodes__TClassid.id;
+cltype25 = type_nullable_parser_nodes__TClassid.color;
+idtype26 = type_nullable_parser_nodes__TClassid.id;
 if(var_tclassidnode6 == NULL) {
-var27 = 1;
+var24 = 1;
 } else {
-if(cltype28 >= var_tclassidnode6->type->table_size) {
-var27 = 0;
+if(cltype25 >= var_tclassidnode6->type->table_size) {
+var24 = 0;
 } else {
-var27 = var_tclassidnode6->type->type_table[cltype28] == idtype29;
+var24 = var_tclassidnode6->type->type_table[cltype25] == idtype26;
 }
 }
-if (!var27) {
+if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14308);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14613);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist8;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype31 = type_array__Arraykernel__Object.color;
-idtype32 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var30 = 0;
+var27 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var27->class->vft[COLOR_array__Array__init]))(var27) /* init on <var27:Array[Object]>*/;
+var_listnode12 = var27;
+var_listnode11 = var_nodearraylist8;
+/* <var_listnode11:nullable Object> isa Array[Object] */
+cltype29 = type_array__Arraykernel__Object.color;
+idtype30 = type_array__Arraykernel__Object.id;
+if(var_listnode11 == NULL) {
+var28 = 0;
 } else {
-if(cltype31 >= var_listnode7->type->table_size) {
-var30 = 0;
+if(cltype29 >= var_listnode11->type->table_size) {
+var28 = 0;
 } else {
-var30 = var_listnode7->type->type_table[cltype31] == idtype32;
+var28 = var_listnode11->type->type_table[cltype29] == idtype30;
 }
 }
-if (!var30) {
+if (!var28) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14310);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14616);
+show_backtrace(1);
 }
-var33 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction310>*/;
-var_listnode8 = var33;
-var_pexterncodeblocknode10 = var_nodearraylist9;
-/* <var_pexterncodeblocknode10:nullable Object> isa nullable AExternCodeBlock */
-cltype35 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype36 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode10 == NULL) {
-var34 = 1;
+var31 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction316>*/;
+var_listnode12 = var31;
+var32 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var33 = NULL;
+var34 = NULL;
+var35 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var32->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var32, var33, var34, var_listnode12, var35) /* init_aannotations on <var32:AAnnotations>*/;
+var_pannotationsnode8 = var32;
+var_pexterncodeblocknode14 = var_nodearraylist9;
+/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
+cltype37 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype38 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode14 == NULL) {
+var36 = 1;
 } else {
-if(cltype35 >= var_pexterncodeblocknode10->type->table_size) {
-var34 = 0;
+if(cltype37 >= var_pexterncodeblocknode14->type->table_size) {
+var36 = 0;
 } else {
-var34 = var_pexterncodeblocknode10->type->type_table[cltype35] == idtype36;
+var36 = var_pexterncodeblocknode14->type->type_table[cltype37] == idtype38;
 }
 }
-if (!var34) {
+if (!var36) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14313);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14625);
+show_backtrace(1);
 }
-var_listnode11 = var_nodearraylist10;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype38 = type_array__Arraykernel__Object.color;
-idtype39 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var37 = 0;
+var_listnode15 = var_nodearraylist10;
+/* <var_listnode15:nullable Object> isa Array[Object] */
+cltype40 = type_array__Arraykernel__Object.color;
+idtype41 = type_array__Arraykernel__Object.id;
+if(var_listnode15 == NULL) {
+var39 = 0;
 } else {
-if(cltype38 >= var_listnode11->type->table_size) {
-var37 = 0;
+if(cltype40 >= var_listnode15->type->table_size) {
+var39 = 0;
 } else {
-var37 = var_listnode11->type->type_table[cltype38] == idtype39;
+var39 = var_listnode15->type->type_table[cltype40] == idtype41;
 }
 }
-if (!var37) {
+if (!var39) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14315);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14627);
+show_backtrace(1);
 }
-var40 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction310>*/;
-var_listnode12 = var40;
-var_listnode13 = var_nodearraylist11;
-/* <var_listnode13:nullable Object> isa Array[Object] */
-cltype42 = type_array__Arraykernel__Object.color;
-idtype43 = type_array__Arraykernel__Object.id;
-if(var_listnode13 == NULL) {
-var41 = 0;
+var42 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction316>*/;
+var_listnode16 = var42;
+var_listnode17 = var_nodearraylist11;
+/* <var_listnode17:nullable Object> isa Array[Object] */
+cltype44 = type_array__Arraykernel__Object.color;
+idtype45 = type_array__Arraykernel__Object.id;
+if(var_listnode17 == NULL) {
+var43 = 0;
 } else {
-if(cltype42 >= var_listnode13->type->table_size) {
-var41 = 0;
+if(cltype44 >= var_listnode17->type->table_size) {
+var43 = 0;
 } else {
-var41 = var_listnode13->type->type_table[cltype42] == idtype43;
+var43 = var_listnode17->type->type_table[cltype44] == idtype45;
 }
 }
-if (!var41) {
+if (!var43) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14318);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14630);
+show_backtrace(1);
 }
-var44 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode14, var_listnode13) /* concat on <self:ReduceAction310>*/;
-var_listnode14 = var44;
-var_tkwendnode15 = var_nodearraylist13;
-/* <var_tkwendnode15:nullable Object> isa nullable TKwend */
-cltype46 = type_nullable_parser_nodes__TKwend.color;
-idtype47 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode15 == NULL) {
-var45 = 1;
+var46 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction316>*/;
+var_listnode18 = var46;
+var_tkwendnode19 = var_nodearraylist13;
+/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
+cltype48 = type_nullable_parser_nodes__TKwend.color;
+idtype49 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode19 == NULL) {
+var47 = 1;
 } else {
-if(cltype46 >= var_tkwendnode15->type->table_size) {
-var45 = 0;
+if(cltype48 >= var_tkwendnode19->type->table_size) {
+var47 = 0;
 } else {
-var45 = var_tkwendnode15->type->type_table[cltype46] == idtype47;
+var47 = var_tkwendnode19->type->type_table[cltype48] == idtype49;
 }
 }
-if (!var45) {
+if (!var47) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14321);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14633);
+show_backtrace(1);
 }
-var48 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var49 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var48->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var48, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var49, var_pexterncodeblocknode10, var_listnode12, var_listnode14, var_tkwendnode15) /* init_astdclassdef on <var48:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var48);
-var_pclassdefnode1 = var48;
+var50 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+var51 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var50->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var50, var_pdocnode2, var51, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var50:AStdClassdef>*/;
+var_pclassdefnode1 = var50;
 var_node_list = var_pclassdefnode1;
-var50 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction310> */
-var51 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var50) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var51, var_node_list) /* push on <var_p:Parser>*/;
+var52 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction316> */
+var53 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var52) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var53, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction310#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction310__action(val* self, val* p0) {
-parser__ReduceAction310__action(self, p0);
+/* method parser#ReduceAction316#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction316__action(val* self, val* p0) {
+parser__ReduceAction316__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction311#action for (self: ReduceAction311, Parser) */
-void parser__ReduceAction311__action(val* self, val* p0) {
+/* method parser#ReduceAction318#action for (self: ReduceAction318, Parser) */
+void parser__ReduceAction318__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
-val* var2 /* : nullable Object */;
 val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var10 /* : nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var11 /* : nullable Object */;
+val* var10 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var12 /* : nullable Object */;
+val* var11 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var13 /* : nullable Object */;
+val* var12 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var14 /* : nullable Object */;
+val* var13 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var14 /* : Array[Object] */;
+val* var_listnode7 /* var listnode7: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
+val* var_listnode16 /* var listnode16: Array[Object] */;
 val* var16 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var17 /* : Array[Object] */;
-val* var_listnode14 /* var listnode14: Array[Object] */;
+val* var_listnode18 /* var listnode18: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var18 /* : Bool */;
+short int var17 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
 val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var28 /* : Bool */;
-int cltype29;
-int idtype30;
-val* var_listnode7 /* var listnode7: nullable Object */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+short int var27 /* : Bool */;
+int cltype28;
+int idtype29;
+val* var30 /* : Array[Object] */;
+val* var_listnode12 /* var listnode12: Array[Object] */;
+val* var_listnode11 /* var listnode11: nullable Object */;
 short int var31 /* : Bool */;
 int cltype32;
 int idtype33;
 val* var34 /* : Array[Object] */;
-val* var_pexterncodeblocknode10 /* var pexterncodeblocknode10: nullable Object */;
-short int var35 /* : Bool */;
-int cltype36;
-int idtype37;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var38 /* : Bool */;
-int cltype39;
-int idtype40;
-val* var41 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: nullable Object */;
+val* var35 /* : AAnnotations */;
+val* var36 /* : null */;
+val* var37 /* : null */;
+val* var38 /* : null */;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
+val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
+short int var39 /* : Bool */;
+int cltype40;
+int idtype41;
+val* var_listnode15 /* var listnode15: nullable Object */;
 short int var42 /* : Bool */;
 int cltype43;
 int idtype44;
 val* var45 /* : Array[Object] */;
-val* var_tkwendnode15 /* var tkwendnode15: nullable Object */;
+val* var_listnode17 /* var listnode17: nullable Object */;
 short int var46 /* : Bool */;
 int cltype47;
 int idtype48;
-val* var49 /* : AStdClassdef */;
-val* var50 /* : null */;
+val* var49 /* : Array[Object] */;
+val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+short int var50 /* : Bool */;
+int cltype51;
+int idtype52;
+val* var53 /* : AStdClassdef */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var51 /* : Int */;
-long var52 /* : Int */;
+long var54 /* : Int */;
+long var55 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist14 = var1;
+var_nodearraylist13 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var2;
+var_nodearraylist12 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var3;
+var_nodearraylist11 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var4;
+var_nodearraylist10 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var5;
+var_nodearraylist9 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var6;
+var_nodearraylist8 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var7;
+var_nodearraylist7 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var8;
+var_nodearraylist6 = var8;
 var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var9;
+var_nodearraylist5 = var9;
 var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var10;
+var_nodearraylist4 = var10;
 var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var11;
+var_nodearraylist3 = var11;
 var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var12;
+var_nodearraylist2 = var12;
 var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var13;
-var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var14;
+var_nodearraylist1 = var13;
+var14 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
+var_listnode7 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode8 = var15;
+var_listnode16 = var15;
 var16 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode12 = var16;
-var17 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
-CHECK_NEW_array__Array(var17);
-var_listnode14 = var17;
+var_listnode18 = var16;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var18 = 1;
+var17 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var18 = 0;
+var17 = 0;
 } else {
-var18 = var_pdocnode2->type->type_table[cltype] == idtype;
+var17 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var18) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14362);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14673);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype20 = type_nullable_parser_nodes__TKwredef.color;
-idtype21 = type_nullable_parser_nodes__TKwredef.id;
+cltype19 = type_nullable_parser_nodes__TKwredef.color;
+idtype20 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var19 = 1;
+var18 = 1;
 } else {
-if(cltype20 >= var_tkwredefnode3->type->table_size) {
-var19 = 0;
+if(cltype19 >= var_tkwredefnode3->type->table_size) {
+var18 = 0;
 } else {
-var19 = var_tkwredefnode3->type->type_table[cltype20] == idtype21;
+var18 = var_tkwredefnode3->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var19) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14364);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14675);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype23 = type_nullable_parser_nodes__AVisibility.color;
-idtype24 = type_nullable_parser_nodes__AVisibility.id;
+cltype22 = type_nullable_parser_nodes__AVisibility.color;
+idtype23 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var22 = 1;
+var21 = 1;
 } else {
-if(cltype23 >= var_pvisibilitynode4->type->table_size) {
-var22 = 0;
+if(cltype22 >= var_pvisibilitynode4->type->table_size) {
+var21 = 0;
 } else {
-var22 = var_pvisibilitynode4->type->type_table[cltype23] == idtype24;
+var21 = var_pvisibilitynode4->type->type_table[cltype22] == idtype23;
 }
 }
-if (!var22) {
+if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14366);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14677);
+show_backtrace(1);
 }
 var_pclasskindnode5 = var_nodearraylist4;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype26 = type_nullable_parser_nodes__AClasskind.color;
-idtype27 = type_nullable_parser_nodes__AClasskind.id;
+cltype25 = type_nullable_parser_nodes__AClasskind.color;
+idtype26 = type_nullable_parser_nodes__AClasskind.id;
 if(var_pclasskindnode5 == NULL) {
-var25 = 1;
+var24 = 1;
 } else {
-if(cltype26 >= var_pclasskindnode5->type->table_size) {
-var25 = 0;
+if(cltype25 >= var_pclasskindnode5->type->table_size) {
+var24 = 0;
 } else {
-var25 = var_pclasskindnode5->type->type_table[cltype26] == idtype27;
+var24 = var_pclasskindnode5->type->type_table[cltype25] == idtype26;
 }
 }
-if (!var25) {
+if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14368);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14679);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist8;
+var_tclassidnode6 = var_nodearraylist7;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype29 = type_nullable_parser_nodes__TClassid.color;
-idtype30 = type_nullable_parser_nodes__TClassid.id;
+cltype28 = type_nullable_parser_nodes__TClassid.color;
+idtype29 = type_nullable_parser_nodes__TClassid.id;
 if(var_tclassidnode6 == NULL) {
-var28 = 1;
+var27 = 1;
 } else {
-if(cltype29 >= var_tclassidnode6->type->table_size) {
-var28 = 0;
+if(cltype28 >= var_tclassidnode6->type->table_size) {
+var27 = 0;
 } else {
-var28 = var_tclassidnode6->type->type_table[cltype29] == idtype30;
+var27 = var_tclassidnode6->type->type_table[cltype28] == idtype29;
 }
 }
-if (!var28) {
+if (!var27) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14370);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14681);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist9;
-/* <var_listnode7:nullable Object> isa Array[Object] */
+var30 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var30->class->vft[COLOR_array__Array__init]))(var30) /* init on <var30:Array[Object]>*/;
+var_listnode12 = var30;
+var_listnode11 = var_nodearraylist8;
+/* <var_listnode11:nullable Object> isa Array[Object] */
 cltype32 = type_array__Arraykernel__Object.color;
 idtype33 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
+if(var_listnode11 == NULL) {
 var31 = 0;
 } else {
-if(cltype32 >= var_listnode7->type->table_size) {
+if(cltype32 >= var_listnode11->type->table_size) {
 var31 = 0;
 } else {
-var31 = var_listnode7->type->type_table[cltype32] == idtype33;
+var31 = var_listnode11->type->type_table[cltype32] == idtype33;
 }
 }
 if (!var31) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14372);
-exit(1);
-}
-var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction311>*/;
-var_listnode8 = var34;
-var_pexterncodeblocknode10 = var_nodearraylist10;
-/* <var_pexterncodeblocknode10:nullable Object> isa nullable AExternCodeBlock */
-cltype36 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype37 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode10 == NULL) {
-var35 = 1;
-} else {
-if(cltype36 >= var_pexterncodeblocknode10->type->table_size) {
-var35 = 0;
-} else {
-var35 = var_pexterncodeblocknode10->type->type_table[cltype36] == idtype37;
-}
-}
-if (!var35) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14375);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14684);
+show_backtrace(1);
 }
-var_listnode11 = var_nodearraylist11;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype39 = type_array__Arraykernel__Object.color;
-idtype40 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var38 = 0;
+var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction318>*/;
+var_listnode12 = var34;
+var35 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var36 = NULL;
+var37 = NULL;
+var38 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var35->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var35, var36, var37, var_listnode12, var38) /* init_aannotations on <var35:AAnnotations>*/;
+var_pannotationsnode8 = var35;
+var_pexterncodeblocknode14 = var_nodearraylist9;
+/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
+cltype40 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype41 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode14 == NULL) {
+var39 = 1;
 } else {
-if(cltype39 >= var_listnode11->type->table_size) {
-var38 = 0;
+if(cltype40 >= var_pexterncodeblocknode14->type->table_size) {
+var39 = 0;
 } else {
-var38 = var_listnode11->type->type_table[cltype39] == idtype40;
+var39 = var_pexterncodeblocknode14->type->type_table[cltype40] == idtype41;
 }
 }
-if (!var38) {
+if (!var39) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14377);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14693);
+show_backtrace(1);
 }
-var41 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction311>*/;
-var_listnode12 = var41;
-var_listnode13 = var_nodearraylist12;
-/* <var_listnode13:nullable Object> isa Array[Object] */
+var_listnode15 = var_nodearraylist10;
+/* <var_listnode15:nullable Object> isa Array[Object] */
 cltype43 = type_array__Arraykernel__Object.color;
 idtype44 = type_array__Arraykernel__Object.id;
-if(var_listnode13 == NULL) {
+if(var_listnode15 == NULL) {
 var42 = 0;
 } else {
-if(cltype43 >= var_listnode13->type->table_size) {
+if(cltype43 >= var_listnode15->type->table_size) {
 var42 = 0;
 } else {
-var42 = var_listnode13->type->type_table[cltype43] == idtype44;
+var42 = var_listnode15->type->type_table[cltype43] == idtype44;
 }
 }
 if (!var42) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14380);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14695);
+show_backtrace(1);
 }
-var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode14, var_listnode13) /* concat on <self:ReduceAction311>*/;
-var_listnode14 = var45;
-var_tkwendnode15 = var_nodearraylist14;
-/* <var_tkwendnode15:nullable Object> isa nullable TKwend */
-cltype47 = type_nullable_parser_nodes__TKwend.color;
-idtype48 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode15 == NULL) {
-var46 = 1;
+var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction318>*/;
+var_listnode16 = var45;
+var_listnode17 = var_nodearraylist11;
+/* <var_listnode17:nullable Object> isa Array[Object] */
+cltype47 = type_array__Arraykernel__Object.color;
+idtype48 = type_array__Arraykernel__Object.id;
+if(var_listnode17 == NULL) {
+var46 = 0;
 } else {
-if(cltype47 >= var_tkwendnode15->type->table_size) {
+if(cltype47 >= var_listnode17->type->table_size) {
 var46 = 0;
 } else {
-var46 = var_tkwendnode15->type->type_table[cltype47] == idtype48;
+var46 = var_listnode17->type->type_table[cltype47] == idtype48;
 }
 }
 if (!var46) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14383);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14698);
+show_backtrace(1);
 }
-var49 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var50 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var49->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var49, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var50, var_pexterncodeblocknode10, var_listnode12, var_listnode14, var_tkwendnode15) /* init_astdclassdef on <var49:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var49);
-var_pclassdefnode1 = var49;
+var49 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction318>*/;
+var_listnode18 = var49;
+var_tkwendnode19 = var_nodearraylist13;
+/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
+cltype51 = type_nullable_parser_nodes__TKwend.color;
+idtype52 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode19 == NULL) {
+var50 = 1;
+} else {
+if(cltype51 >= var_tkwendnode19->type->table_size) {
+var50 = 0;
+} else {
+var50 = var_tkwendnode19->type->type_table[cltype51] == idtype52;
+}
+}
+if (!var50) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14701);
+show_backtrace(1);
+}
+var53 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var53->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var53, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var53:AStdClassdef>*/;
+var_pclassdefnode1 = var53;
 var_node_list = var_pclassdefnode1;
-var51 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction311> */
-var52 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var51) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var52, var_node_list) /* push on <var_p:Parser>*/;
+var54 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction318> */
+var55 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var54) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var55, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction311#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction311__action(val* self, val* p0) {
-parser__ReduceAction311__action(self, p0);
+/* method parser#ReduceAction318#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction318__action(val* self, val* p0) {
+parser__ReduceAction318__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction313#action for (self: ReduceAction313, Parser) */
-void parser__ReduceAction313__action(val* self, val* p0) {
+/* method parser#ReduceAction319#action for (self: ReduceAction319, Parser) */
+void parser__ReduceAction319__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
+val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
+val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
+val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var8 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var9 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var10 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var11 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var12 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var13 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var14 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var12 /* : Array[Object] */;
+val* var15 /* : Array[Object] */;
 val* var_listnode7 /* var listnode7: Array[Object] */;
-val* var13 /* : Array[Object] */;
+val* var16 /* : Array[Object] */;
 val* var_listnode16 /* var listnode16: Array[Object] */;
-val* var14 /* : Array[Object] */;
+val* var17 /* : Array[Object] */;
 val* var_listnode18 /* var listnode18: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var15 /* : Bool */;
+short int var18 /* : Bool */;
 int cltype;
 int idtype;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
 short int var19 /* : Bool */;
 int cltype20;
 int idtype21;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
 short int var22 /* : Bool */;
 int cltype23;
 int idtype24;
-val* var25 /* : Array[Object] */;
+val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+val* var31 /* : Array[Object] */;
 val* var_listnode12 /* var listnode12: Array[Object] */;
 val* var_listnode11 /* var listnode11: nullable Object */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-val* var29 /* : Array[Object] */;
-val* var30 /* : AAnnotations */;
-val* var31 /* : null */;
-val* var32 /* : null */;
-val* var33 /* : null */;
+short int var32 /* : Bool */;
+int cltype33;
+int idtype34;
+val* var35 /* : Array[Object] */;
+val* var36 /* : AAnnotations */;
+val* var37 /* : null */;
+val* var38 /* : null */;
+val* var39 /* : null */;
 val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
 val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
-short int var34 /* : Bool */;
-int cltype35;
-int idtype36;
+short int var40 /* : Bool */;
+int cltype41;
+int idtype42;
 val* var_listnode15 /* var listnode15: nullable Object */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-val* var40 /* : Array[Object] */;
+short int var43 /* : Bool */;
+int cltype44;
+int idtype45;
+val* var46 /* : Array[Object] */;
 val* var_listnode17 /* var listnode17: nullable Object */;
-short int var41 /* : Bool */;
-int cltype42;
-int idtype43;
-val* var44 /* : Array[Object] */;
+short int var47 /* : Bool */;
+int cltype48;
+int idtype49;
+val* var50 /* : Array[Object] */;
 val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
-short int var45 /* : Bool */;
-int cltype46;
-int idtype47;
-val* var48 /* : AStdClassdef */;
-val* var49 /* : null */;
+short int var51 /* : Bool */;
+int cltype52;
+int idtype53;
+val* var54 /* : AStdClassdef */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var50 /* : Int */;
-long var51 /* : Int */;
+long var55 /* : Int */;
+long var56 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var1;
+var_nodearraylist14 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var2;
+var_nodearraylist13 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var3;
+var_nodearraylist12 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var4;
+var_nodearraylist11 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var5;
+var_nodearraylist10 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var6;
+var_nodearraylist9 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var7;
+var_nodearraylist8 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var8;
+var_nodearraylist7 = var8;
 var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var9;
+var_nodearraylist6 = var9;
 var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var10;
+var_nodearraylist5 = var10;
 var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var11;
-var12 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var12->class->vft[COLOR_array__Array__init]))(var12) /* init on <var12:Array[Object]>*/;
-CHECK_NEW_array__Array(var12);
-var_listnode7 = var12;
-var13 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var13->class->vft[COLOR_array__Array__init]))(var13) /* init on <var13:Array[Object]>*/;
-CHECK_NEW_array__Array(var13);
-var_listnode16 = var13;
-var14 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode18 = var14;
+var_nodearraylist4 = var11;
+var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var12;
+var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var13;
+var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var14;
+var15 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
+var_listnode7 = var15;
+var16 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
+var_listnode16 = var16;
+var17 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
+var_listnode18 = var17;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var15 = 1;
+var18 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var15 = 0;
+var18 = 0;
 } else {
-var15 = var_pdocnode2->type->type_table[cltype] == idtype;
+var18 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var15) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14421);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14742);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist2;
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype20 = type_nullable_parser_nodes__TKwredef.color;
+idtype21 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
+var19 = 1;
+} else {
+if(cltype20 >= var_tkwredefnode3->type->table_size) {
+var19 = 0;
+} else {
+var19 = var_tkwredefnode3->type->type_table[cltype20] == idtype21;
+}
+}
+if (!var19) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14744);
+show_backtrace(1);
+}
+var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype17 = type_nullable_parser_nodes__AVisibility.color;
-idtype18 = type_nullable_parser_nodes__AVisibility.id;
+cltype23 = type_nullable_parser_nodes__AVisibility.color;
+idtype24 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var16 = 1;
+var22 = 1;
 } else {
-if(cltype17 >= var_pvisibilitynode4->type->table_size) {
-var16 = 0;
+if(cltype23 >= var_pvisibilitynode4->type->table_size) {
+var22 = 0;
 } else {
-var16 = var_pvisibilitynode4->type->type_table[cltype17] == idtype18;
+var22 = var_pvisibilitynode4->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var16) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14423);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14746);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist3;
+var_pclasskindnode5 = var_nodearraylist4;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype20 = type_nullable_parser_nodes__AClasskind.color;
-idtype21 = type_nullable_parser_nodes__AClasskind.id;
+cltype26 = type_nullable_parser_nodes__AClasskind.color;
+idtype27 = type_nullable_parser_nodes__AClasskind.id;
 if(var_pclasskindnode5 == NULL) {
-var19 = 1;
+var25 = 1;
 } else {
-if(cltype20 >= var_pclasskindnode5->type->table_size) {
-var19 = 0;
+if(cltype26 >= var_pclasskindnode5->type->table_size) {
+var25 = 0;
 } else {
-var19 = var_pclasskindnode5->type->type_table[cltype20] == idtype21;
+var25 = var_pclasskindnode5->type->type_table[cltype26] == idtype27;
 }
 }
-if (!var19) {
+if (!var25) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14425);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14748);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist5;
+var_tclassidnode6 = var_nodearraylist8;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype23 = type_nullable_parser_nodes__TClassid.color;
-idtype24 = type_nullable_parser_nodes__TClassid.id;
+cltype29 = type_nullable_parser_nodes__TClassid.color;
+idtype30 = type_nullable_parser_nodes__TClassid.id;
 if(var_tclassidnode6 == NULL) {
-var22 = 1;
+var28 = 1;
 } else {
-if(cltype23 >= var_tclassidnode6->type->table_size) {
-var22 = 0;
+if(cltype29 >= var_tclassidnode6->type->table_size) {
+var28 = 0;
 } else {
-var22 = var_tclassidnode6->type->type_table[cltype23] == idtype24;
+var28 = var_tclassidnode6->type->type_table[cltype29] == idtype30;
 }
 }
-if (!var22) {
+if (!var28) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14427);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14750);
+show_backtrace(1);
 }
-var25 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var25->class->vft[COLOR_array__Array__init]))(var25) /* init on <var25:Array[Object]>*/;
-CHECK_NEW_array__Array(var25);
-var_listnode12 = var25;
-var_listnode11 = var_nodearraylist6;
+var31 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var31->class->vft[COLOR_array__Array__init]))(var31) /* init on <var31:Array[Object]>*/;
+var_listnode12 = var31;
+var_listnode11 = var_nodearraylist9;
 /* <var_listnode11:nullable Object> isa Array[Object] */
-cltype27 = type_array__Arraykernel__Object.color;
-idtype28 = type_array__Arraykernel__Object.id;
+cltype33 = type_array__Arraykernel__Object.color;
+idtype34 = type_array__Arraykernel__Object.id;
 if(var_listnode11 == NULL) {
-var26 = 0;
+var32 = 0;
 } else {
-if(cltype27 >= var_listnode11->type->table_size) {
-var26 = 0;
+if(cltype33 >= var_listnode11->type->table_size) {
+var32 = 0;
 } else {
-var26 = var_listnode11->type->type_table[cltype27] == idtype28;
+var32 = var_listnode11->type->type_table[cltype33] == idtype34;
 }
 }
-if (!var26) {
+if (!var32) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14430);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14753);
+show_backtrace(1);
 }
-var29 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction313>*/;
-var_listnode12 = var29;
-var30 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var31 = NULL;
-var32 = NULL;
-var33 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var30->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var30, var31, var32, var_listnode12, var33) /* init_aannotations on <var30:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var30);
-var_pannotationsnode8 = var30;
-var_pexterncodeblocknode14 = var_nodearraylist7;
+var35 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction319>*/;
+var_listnode12 = var35;
+var36 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var37 = NULL;
+var38 = NULL;
+var39 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var36->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var36, var37, var38, var_listnode12, var39) /* init_aannotations on <var36:AAnnotations>*/;
+var_pannotationsnode8 = var36;
+var_pexterncodeblocknode14 = var_nodearraylist10;
 /* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
-cltype35 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype36 = type_nullable_parser_nodes__AExternCodeBlock.id;
+cltype41 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype42 = type_nullable_parser_nodes__AExternCodeBlock.id;
 if(var_pexterncodeblocknode14 == NULL) {
-var34 = 1;
+var40 = 1;
 } else {
-if(cltype35 >= var_pexterncodeblocknode14->type->table_size) {
-var34 = 0;
+if(cltype41 >= var_pexterncodeblocknode14->type->table_size) {
+var40 = 0;
 } else {
-var34 = var_pexterncodeblocknode14->type->type_table[cltype35] == idtype36;
+var40 = var_pexterncodeblocknode14->type->type_table[cltype41] == idtype42;
 }
 }
-if (!var34) {
+if (!var40) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14439);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14762);
+show_backtrace(1);
 }
-var_listnode15 = var_nodearraylist8;
+var_listnode15 = var_nodearraylist11;
 /* <var_listnode15:nullable Object> isa Array[Object] */
-cltype38 = type_array__Arraykernel__Object.color;
-idtype39 = type_array__Arraykernel__Object.id;
+cltype44 = type_array__Arraykernel__Object.color;
+idtype45 = type_array__Arraykernel__Object.id;
 if(var_listnode15 == NULL) {
-var37 = 0;
+var43 = 0;
 } else {
-if(cltype38 >= var_listnode15->type->table_size) {
-var37 = 0;
+if(cltype44 >= var_listnode15->type->table_size) {
+var43 = 0;
 } else {
-var37 = var_listnode15->type->type_table[cltype38] == idtype39;
+var43 = var_listnode15->type->type_table[cltype44] == idtype45;
 }
 }
-if (!var37) {
+if (!var43) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14441);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14764);
+show_backtrace(1);
 }
-var40 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction313>*/;
-var_listnode16 = var40;
-var_listnode17 = var_nodearraylist9;
+var46 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction319>*/;
+var_listnode16 = var46;
+var_listnode17 = var_nodearraylist12;
 /* <var_listnode17:nullable Object> isa Array[Object] */
-cltype42 = type_array__Arraykernel__Object.color;
-idtype43 = type_array__Arraykernel__Object.id;
+cltype48 = type_array__Arraykernel__Object.color;
+idtype49 = type_array__Arraykernel__Object.id;
 if(var_listnode17 == NULL) {
-var41 = 0;
+var47 = 0;
 } else {
-if(cltype42 >= var_listnode17->type->table_size) {
-var41 = 0;
+if(cltype48 >= var_listnode17->type->table_size) {
+var47 = 0;
 } else {
-var41 = var_listnode17->type->type_table[cltype42] == idtype43;
+var47 = var_listnode17->type->type_table[cltype48] == idtype49;
 }
 }
-if (!var41) {
+if (!var47) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14444);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14767);
+show_backtrace(1);
 }
-var44 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction313>*/;
-var_listnode18 = var44;
-var_tkwendnode19 = var_nodearraylist11;
+var50 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction319>*/;
+var_listnode18 = var50;
+var_tkwendnode19 = var_nodearraylist14;
 /* <var_tkwendnode19:nullable Object> isa nullable TKwend */
-cltype46 = type_nullable_parser_nodes__TKwend.color;
-idtype47 = type_nullable_parser_nodes__TKwend.id;
+cltype52 = type_nullable_parser_nodes__TKwend.color;
+idtype53 = type_nullable_parser_nodes__TKwend.id;
 if(var_tkwendnode19 == NULL) {
-var45 = 1;
+var51 = 1;
 } else {
-if(cltype46 >= var_tkwendnode19->type->table_size) {
-var45 = 0;
+if(cltype52 >= var_tkwendnode19->type->table_size) {
+var51 = 0;
 } else {
-var45 = var_tkwendnode19->type->type_table[cltype46] == idtype47;
+var51 = var_tkwendnode19->type->type_table[cltype52] == idtype53;
 }
 }
-if (!var45) {
+if (!var51) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14447);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14770);
+show_backtrace(1);
 }
-var48 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var49 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var48->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var48, var_pdocnode2, var49, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var48:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var48);
-var_pclassdefnode1 = var48;
+var54 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var54->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var54, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var54:AStdClassdef>*/;
+var_pclassdefnode1 = var54;
 var_node_list = var_pclassdefnode1;
-var50 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction313> */
-var51 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var50) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var51, var_node_list) /* push on <var_p:Parser>*/;
+var55 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction319> */
+var56 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var55) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var56, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction313#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction313__action(val* self, val* p0) {
-parser__ReduceAction313__action(self, p0);
+/* method parser#ReduceAction319#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction319__action(val* self, val* p0) {
+parser__ReduceAction319__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction314#action for (self: ReduceAction314, Parser) */
-void parser__ReduceAction314__action(val* self, val* p0) {
+/* method parser#ReduceAction321#action for (self: ReduceAction321, Parser) */
+void parser__ReduceAction321__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
@@ -1617,65 +1675,67 @@ val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
 val* var12 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var13 /* : Array[Object] */;
-val* var_listnode7 /* var listnode7: Array[Object] */;
+val* var_listnode8 /* var listnode8: Array[Object] */;
 val* var14 /* : Array[Object] */;
-val* var_listnode16 /* var listnode16: Array[Object] */;
+val* var_listnode17 /* var listnode17: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: Array[Object] */;
+val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
 short int var16 /* : Bool */;
 int cltype;
 int idtype;
-val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
 short int var17 /* : Bool */;
 int cltype18;
 int idtype19;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
 short int var20 /* : Bool */;
 int cltype21;
 int idtype22;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
+val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
 short int var23 /* : Bool */;
 int cltype24;
 int idtype25;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+val* var_listnode7 /* var listnode7: nullable Object */;
 short int var26 /* : Bool */;
 int cltype27;
 int idtype28;
 val* var29 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-val* var33 /* : Array[Object] */;
-val* var34 /* : AAnnotations */;
-val* var35 /* : null */;
+val* var30 /* : Array[Object] */;
+val* var_listnode13 /* var listnode13: Array[Object] */;
+val* var_listnode12 /* var listnode12: nullable Object */;
+short int var31 /* : Bool */;
+int cltype32;
+int idtype33;
+val* var34 /* : Array[Object] */;
+val* var35 /* : AAnnotations */;
 val* var36 /* : null */;
 val* var37 /* : null */;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
-val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
-short int var38 /* : Bool */;
-int cltype39;
-int idtype40;
-val* var_listnode15 /* var listnode15: nullable Object */;
-short int var41 /* : Bool */;
-int cltype42;
-int idtype43;
-val* var44 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: nullable Object */;
-short int var45 /* : Bool */;
-int cltype46;
-int idtype47;
-val* var48 /* : Array[Object] */;
-val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
-short int var49 /* : Bool */;
-int cltype50;
-int idtype51;
-val* var52 /* : AStdClassdef */;
+val* var38 /* : null */;
+val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
+val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
+short int var39 /* : Bool */;
+int cltype40;
+int idtype41;
+val* var_listnode16 /* var listnode16: nullable Object */;
+short int var42 /* : Bool */;
+int cltype43;
+int idtype44;
+val* var45 /* : Array[Object] */;
+val* var_listnode18 /* var listnode18: nullable Object */;
+short int var46 /* : Bool */;
+int cltype47;
+int idtype48;
+val* var49 /* : Array[Object] */;
+val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
+short int var50 /* : Bool */;
+int cltype51;
+int idtype52;
+val* var53 /* : AStdClassdef */;
+val* var54 /* : null */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var53 /* : Int */;
-long var54 /* : Int */;
+long var55 /* : Int */;
+long var56 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
@@ -1705,16 +1765,13 @@ var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p)
 var_nodearraylist1 = var12;
 var13 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var13->class->vft[COLOR_array__Array__init]))(var13) /* init on <var13:Array[Object]>*/;
-CHECK_NEW_array__Array(var13);
-var_listnode7 = var13;
+var_listnode8 = var13;
 var14 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode16 = var14;
+var_listnode17 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode18 = var15;
+var_listnode19 = var15;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
@@ -1730,525 +1787,568 @@ var16 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14486);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14809);
+show_backtrace(1);
 }
-var_tkwredefnode3 = var_nodearraylist2;
-/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype18 = type_nullable_parser_nodes__TKwredef.color;
-idtype19 = type_nullable_parser_nodes__TKwredef.id;
-if(var_tkwredefnode3 == NULL) {
+var_pvisibilitynode4 = var_nodearraylist2;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype18 = type_nullable_parser_nodes__AVisibility.color;
+idtype19 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
 var17 = 1;
 } else {
-if(cltype18 >= var_tkwredefnode3->type->table_size) {
+if(cltype18 >= var_pvisibilitynode4->type->table_size) {
 var17 = 0;
 } else {
-var17 = var_tkwredefnode3->type->type_table[cltype18] == idtype19;
+var17 = var_pvisibilitynode4->type->type_table[cltype18] == idtype19;
 }
 }
 if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14488);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14811);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist3;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype21 = type_nullable_parser_nodes__AVisibility.color;
-idtype22 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
+var_pclasskindnode5 = var_nodearraylist3;
+/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
+cltype21 = type_nullable_parser_nodes__AClasskind.color;
+idtype22 = type_nullable_parser_nodes__AClasskind.id;
+if(var_pclasskindnode5 == NULL) {
 var20 = 1;
 } else {
-if(cltype21 >= var_pvisibilitynode4->type->table_size) {
+if(cltype21 >= var_pclasskindnode5->type->table_size) {
 var20 = 0;
 } else {
-var20 = var_pvisibilitynode4->type->type_table[cltype21] == idtype22;
+var20 = var_pclasskindnode5->type->type_table[cltype21] == idtype22;
 }
 }
 if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14490);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14813);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist4;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype24 = type_nullable_parser_nodes__AClasskind.color;
-idtype25 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
+var_tclassidnode6 = var_nodearraylist5;
+/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
+cltype24 = type_nullable_parser_nodes__TClassid.color;
+idtype25 = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode6 == NULL) {
 var23 = 1;
 } else {
-if(cltype24 >= var_pclasskindnode5->type->table_size) {
+if(cltype24 >= var_tclassidnode6->type->table_size) {
 var23 = 0;
 } else {
-var23 = var_pclasskindnode5->type->type_table[cltype24] == idtype25;
+var23 = var_tclassidnode6->type->type_table[cltype24] == idtype25;
 }
 }
 if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14492);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14815);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist6;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype27 = type_nullable_parser_nodes__TClassid.color;
-idtype28 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
-var26 = 1;
+var_listnode7 = var_nodearraylist6;
+/* <var_listnode7:nullable Object> isa Array[Object] */
+cltype27 = type_array__Arraykernel__Object.color;
+idtype28 = type_array__Arraykernel__Object.id;
+if(var_listnode7 == NULL) {
+var26 = 0;
 } else {
-if(cltype27 >= var_tclassidnode6->type->table_size) {
+if(cltype27 >= var_listnode7->type->table_size) {
 var26 = 0;
 } else {
-var26 = var_tclassidnode6->type->type_table[cltype27] == idtype28;
+var26 = var_listnode7->type->type_table[cltype27] == idtype28;
 }
 }
 if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14494);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14817);
+show_backtrace(1);
 }
-var29 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var29->class->vft[COLOR_array__Array__init]))(var29) /* init on <var29:Array[Object]>*/;
-CHECK_NEW_array__Array(var29);
-var_listnode12 = var29;
-var_listnode11 = var_nodearraylist7;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype31 = type_array__Arraykernel__Object.color;
-idtype32 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var30 = 0;
+var29 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction321>*/;
+var_listnode8 = var29;
+var30 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var30->class->vft[COLOR_array__Array__init]))(var30) /* init on <var30:Array[Object]>*/;
+var_listnode13 = var30;
+var_listnode12 = var_nodearraylist7;
+/* <var_listnode12:nullable Object> isa Array[Object] */
+cltype32 = type_array__Arraykernel__Object.color;
+idtype33 = type_array__Arraykernel__Object.id;
+if(var_listnode12 == NULL) {
+var31 = 0;
 } else {
-if(cltype31 >= var_listnode11->type->table_size) {
-var30 = 0;
+if(cltype32 >= var_listnode12->type->table_size) {
+var31 = 0;
 } else {
-var30 = var_listnode11->type->type_table[cltype31] == idtype32;
+var31 = var_listnode12->type->type_table[cltype32] == idtype33;
 }
 }
-if (!var30) {
+if (!var31) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14497);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14821);
+show_backtrace(1);
 }
-var33 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction314>*/;
-var_listnode12 = var33;
-var34 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var35 = NULL;
+var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction321>*/;
+var_listnode13 = var34;
+var35 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
 var36 = NULL;
 var37 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var34->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var34, var35, var36, var_listnode12, var37) /* init_aannotations on <var34:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var34);
-var_pannotationsnode8 = var34;
-var_pexterncodeblocknode14 = var_nodearraylist8;
-/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
-cltype39 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype40 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode14 == NULL) {
-var38 = 1;
+var38 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var35->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var35, var36, var37, var_listnode13, var38) /* init_aannotations on <var35:AAnnotations>*/;
+var_pannotationsnode9 = var35;
+var_pexterncodeblocknode15 = var_nodearraylist8;
+/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
+cltype40 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype41 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode15 == NULL) {
+var39 = 1;
 } else {
-if(cltype39 >= var_pexterncodeblocknode14->type->table_size) {
-var38 = 0;
+if(cltype40 >= var_pexterncodeblocknode15->type->table_size) {
+var39 = 0;
 } else {
-var38 = var_pexterncodeblocknode14->type->type_table[cltype39] == idtype40;
+var39 = var_pexterncodeblocknode15->type->type_table[cltype40] == idtype41;
 }
 }
-if (!var38) {
+if (!var39) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14506);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14830);
+show_backtrace(1);
 }
-var_listnode15 = var_nodearraylist9;
-/* <var_listnode15:nullable Object> isa Array[Object] */
-cltype42 = type_array__Arraykernel__Object.color;
-idtype43 = type_array__Arraykernel__Object.id;
-if(var_listnode15 == NULL) {
-var41 = 0;
+var_listnode16 = var_nodearraylist9;
+/* <var_listnode16:nullable Object> isa Array[Object] */
+cltype43 = type_array__Arraykernel__Object.color;
+idtype44 = type_array__Arraykernel__Object.id;
+if(var_listnode16 == NULL) {
+var42 = 0;
 } else {
-if(cltype42 >= var_listnode15->type->table_size) {
-var41 = 0;
+if(cltype43 >= var_listnode16->type->table_size) {
+var42 = 0;
 } else {
-var41 = var_listnode15->type->type_table[cltype42] == idtype43;
+var42 = var_listnode16->type->type_table[cltype43] == idtype44;
 }
 }
-if (!var41) {
+if (!var42) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14508);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14832);
+show_backtrace(1);
 }
-var44 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction314>*/;
-var_listnode16 = var44;
-var_listnode17 = var_nodearraylist10;
-/* <var_listnode17:nullable Object> isa Array[Object] */
-cltype46 = type_array__Arraykernel__Object.color;
-idtype47 = type_array__Arraykernel__Object.id;
-if(var_listnode17 == NULL) {
-var45 = 0;
-} else {
-if(cltype46 >= var_listnode17->type->table_size) {
-var45 = 0;
+var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction321>*/;
+var_listnode17 = var45;
+var_listnode18 = var_nodearraylist10;
+/* <var_listnode18:nullable Object> isa Array[Object] */
+cltype47 = type_array__Arraykernel__Object.color;
+idtype48 = type_array__Arraykernel__Object.id;
+if(var_listnode18 == NULL) {
+var46 = 0;
 } else {
-var45 = var_listnode17->type->type_table[cltype46] == idtype47;
+if(cltype47 >= var_listnode18->type->table_size) {
+var46 = 0;
+} else {
+var46 = var_listnode18->type->type_table[cltype47] == idtype48;
 }
 }
-if (!var45) {
+if (!var46) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14511);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14835);
+show_backtrace(1);
 }
-var48 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction314>*/;
-var_listnode18 = var48;
-var_tkwendnode19 = var_nodearraylist12;
-/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
-cltype50 = type_nullable_parser_nodes__TKwend.color;
-idtype51 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode19 == NULL) {
-var49 = 1;
+var49 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction321>*/;
+var_listnode19 = var49;
+var_tkwendnode20 = var_nodearraylist12;
+/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
+cltype51 = type_nullable_parser_nodes__TKwend.color;
+idtype52 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode20 == NULL) {
+var50 = 1;
 } else {
-if(cltype50 >= var_tkwendnode19->type->table_size) {
-var49 = 0;
+if(cltype51 >= var_tkwendnode20->type->table_size) {
+var50 = 0;
 } else {
-var49 = var_tkwendnode19->type->type_table[cltype50] == idtype51;
+var50 = var_tkwendnode20->type->type_table[cltype51] == idtype52;
 }
 }
-if (!var49) {
+if (!var50) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14514);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14838);
+show_backtrace(1);
 }
-var52 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var52->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var52, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var52:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var52);
-var_pclassdefnode1 = var52;
+var53 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+var54 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var53->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var53, var_pdocnode2, var54, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var53:AStdClassdef>*/;
+var_pclassdefnode1 = var53;
 var_node_list = var_pclassdefnode1;
-var53 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction314> */
-var54 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var53) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var54, var_node_list) /* push on <var_p:Parser>*/;
+var55 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction321> */
+var56 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var55) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var56, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction314#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction314__action(val* self, val* p0) {
-parser__ReduceAction314__action(self, p0);
+/* method parser#ReduceAction321#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction321__action(val* self, val* p0) {
+parser__ReduceAction321__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction315#action for (self: ReduceAction315, Parser) */
-void parser__ReduceAction315__action(val* self, val* p0) {
+/* method parser#ReduceAction322#action for (self: ReduceAction322, Parser) */
+void parser__ReduceAction322__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
+val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
+val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
+val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
+val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var8 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var9 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var10 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var11 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var12 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var13 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var13 /* : Array[Object] */;
-val* var_listnode7 /* var listnode7: Array[Object] */;
 val* var14 /* : Array[Object] */;
-val* var_listnode16 /* var listnode16: Array[Object] */;
+val* var_listnode8 /* var listnode8: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: Array[Object] */;
+val* var_listnode17 /* var listnode17: Array[Object] */;
+val* var16 /* : Array[Object] */;
+val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var16 /* : Bool */;
+short int var17 /* : Bool */;
 int cltype;
 int idtype;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
 val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
 val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-val* var26 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var_listnode11 /* var listnode11: nullable Object */;
 short int var27 /* : Bool */;
 int cltype28;
 int idtype29;
-val* var30 /* : Array[Object] */;
-val* var31 /* : AAnnotations */;
-val* var32 /* : null */;
-val* var33 /* : null */;
-val* var34 /* : null */;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
-val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
+val* var_listnode7 /* var listnode7: nullable Object */;
+short int var30 /* : Bool */;
+int cltype31;
+int idtype32;
+val* var33 /* : Array[Object] */;
+val* var34 /* : Array[Object] */;
+val* var_listnode13 /* var listnode13: Array[Object] */;
+val* var_listnode12 /* var listnode12: nullable Object */;
 short int var35 /* : Bool */;
 int cltype36;
 int idtype37;
-val* var_listnode15 /* var listnode15: nullable Object */;
-short int var38 /* : Bool */;
-int cltype39;
-int idtype40;
-val* var41 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: nullable Object */;
-short int var42 /* : Bool */;
-int cltype43;
-int idtype44;
-val* var45 /* : Array[Object] */;
-val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+val* var38 /* : Array[Object] */;
+val* var39 /* : AAnnotations */;
+val* var40 /* : null */;
+val* var41 /* : null */;
+val* var42 /* : null */;
+val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
+val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
+short int var43 /* : Bool */;
+int cltype44;
+int idtype45;
+val* var_listnode16 /* var listnode16: nullable Object */;
 short int var46 /* : Bool */;
 int cltype47;
 int idtype48;
-val* var49 /* : AStdClassdef */;
-val* var50 /* : null */;
+val* var49 /* : Array[Object] */;
+val* var_listnode18 /* var listnode18: nullable Object */;
+short int var50 /* : Bool */;
+int cltype51;
+int idtype52;
+val* var53 /* : Array[Object] */;
+val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
+short int var54 /* : Bool */;
+int cltype55;
+int idtype56;
+val* var57 /* : AStdClassdef */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var51 /* : Int */;
-long var52 /* : Int */;
+long var58 /* : Int */;
+long var59 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var1;
+var_nodearraylist13 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var2;
+var_nodearraylist12 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var3;
+var_nodearraylist11 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var4;
+var_nodearraylist10 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var5;
+var_nodearraylist9 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var6;
+var_nodearraylist8 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var7;
+var_nodearraylist7 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var8;
+var_nodearraylist6 = var8;
 var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var9;
+var_nodearraylist5 = var9;
 var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var10;
+var_nodearraylist4 = var10;
 var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var11;
+var_nodearraylist3 = var11;
 var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var12;
-var13 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var13->class->vft[COLOR_array__Array__init]))(var13) /* init on <var13:Array[Object]>*/;
-CHECK_NEW_array__Array(var13);
-var_listnode7 = var13;
+var_nodearraylist2 = var12;
+var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var13;
 var14 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode16 = var14;
+var_listnode8 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode18 = var15;
+var_listnode17 = var15;
+var16 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
+var_listnode19 = var16;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var16 = 1;
+var17 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var16 = 0;
+var17 = 0;
 } else {
-var16 = var_pdocnode2->type->type_table[cltype] == idtype;
+var17 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var16) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14553);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14878);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist2;
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype19 = type_nullable_parser_nodes__TKwredef.color;
+idtype20 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
+var18 = 1;
+} else {
+if(cltype19 >= var_tkwredefnode3->type->table_size) {
+var18 = 0;
+} else {
+var18 = var_tkwredefnode3->type->type_table[cltype19] == idtype20;
+}
+}
+if (!var18) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14880);
+show_backtrace(1);
+}
+var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype18 = type_nullable_parser_nodes__AVisibility.color;
-idtype19 = type_nullable_parser_nodes__AVisibility.id;
+cltype22 = type_nullable_parser_nodes__AVisibility.color;
+idtype23 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var17 = 1;
+var21 = 1;
 } else {
-if(cltype18 >= var_pvisibilitynode4->type->table_size) {
-var17 = 0;
+if(cltype22 >= var_pvisibilitynode4->type->table_size) {
+var21 = 0;
 } else {
-var17 = var_pvisibilitynode4->type->type_table[cltype18] == idtype19;
+var21 = var_pvisibilitynode4->type->type_table[cltype22] == idtype23;
 }
 }
-if (!var17) {
+if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14555);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14882);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist3;
+var_pclasskindnode5 = var_nodearraylist4;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype21 = type_nullable_parser_nodes__AClasskind.color;
-idtype22 = type_nullable_parser_nodes__AClasskind.id;
+cltype25 = type_nullable_parser_nodes__AClasskind.color;
+idtype26 = type_nullable_parser_nodes__AClasskind.id;
 if(var_pclasskindnode5 == NULL) {
-var20 = 1;
+var24 = 1;
 } else {
-if(cltype21 >= var_pclasskindnode5->type->table_size) {
-var20 = 0;
+if(cltype25 >= var_pclasskindnode5->type->table_size) {
+var24 = 0;
 } else {
-var20 = var_pclasskindnode5->type->type_table[cltype21] == idtype22;
+var24 = var_pclasskindnode5->type->type_table[cltype25] == idtype26;
 }
 }
-if (!var20) {
+if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14557);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14884);
+show_backtrace(1);
 }
 var_tclassidnode6 = var_nodearraylist6;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype24 = type_nullable_parser_nodes__TClassid.color;
-idtype25 = type_nullable_parser_nodes__TClassid.id;
+cltype28 = type_nullable_parser_nodes__TClassid.color;
+idtype29 = type_nullable_parser_nodes__TClassid.id;
 if(var_tclassidnode6 == NULL) {
-var23 = 1;
+var27 = 1;
 } else {
-if(cltype24 >= var_tclassidnode6->type->table_size) {
-var23 = 0;
+if(cltype28 >= var_tclassidnode6->type->table_size) {
+var27 = 0;
 } else {
-var23 = var_tclassidnode6->type->type_table[cltype24] == idtype25;
+var27 = var_tclassidnode6->type->type_table[cltype28] == idtype29;
 }
 }
-if (!var23) {
+if (!var27) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14559);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14886);
+show_backtrace(1);
 }
-var26 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var26->class->vft[COLOR_array__Array__init]))(var26) /* init on <var26:Array[Object]>*/;
-CHECK_NEW_array__Array(var26);
-var_listnode12 = var26;
-var_listnode11 = var_nodearraylist7;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype28 = type_array__Arraykernel__Object.color;
-idtype29 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var27 = 0;
+var_listnode7 = var_nodearraylist7;
+/* <var_listnode7:nullable Object> isa Array[Object] */
+cltype31 = type_array__Arraykernel__Object.color;
+idtype32 = type_array__Arraykernel__Object.id;
+if(var_listnode7 == NULL) {
+var30 = 0;
 } else {
-if(cltype28 >= var_listnode11->type->table_size) {
-var27 = 0;
+if(cltype31 >= var_listnode7->type->table_size) {
+var30 = 0;
 } else {
-var27 = var_listnode11->type->type_table[cltype28] == idtype29;
+var30 = var_listnode7->type->type_table[cltype31] == idtype32;
 }
 }
-if (!var27) {
+if (!var30) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14562);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14888);
+show_backtrace(1);
 }
-var30 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction315>*/;
-var_listnode12 = var30;
-var31 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var32 = NULL;
-var33 = NULL;
-var34 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var31->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var31, var32, var33, var_listnode12, var34) /* init_aannotations on <var31:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var31);
-var_pannotationsnode8 = var31;
-var_pexterncodeblocknode14 = var_nodearraylist8;
-/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
-cltype36 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype37 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode14 == NULL) {
-var35 = 1;
+var33 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction322>*/;
+var_listnode8 = var33;
+var34 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var34->class->vft[COLOR_array__Array__init]))(var34) /* init on <var34:Array[Object]>*/;
+var_listnode13 = var34;
+var_listnode12 = var_nodearraylist8;
+/* <var_listnode12:nullable Object> isa Array[Object] */
+cltype36 = type_array__Arraykernel__Object.color;
+idtype37 = type_array__Arraykernel__Object.id;
+if(var_listnode12 == NULL) {
+var35 = 0;
 } else {
-if(cltype36 >= var_pexterncodeblocknode14->type->table_size) {
+if(cltype36 >= var_listnode12->type->table_size) {
 var35 = 0;
 } else {
-var35 = var_pexterncodeblocknode14->type->type_table[cltype36] == idtype37;
+var35 = var_listnode12->type->type_table[cltype36] == idtype37;
 }
 }
 if (!var35) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14571);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14892);
+show_backtrace(1);
 }
-var_listnode15 = var_nodearraylist9;
-/* <var_listnode15:nullable Object> isa Array[Object] */
-cltype39 = type_array__Arraykernel__Object.color;
-idtype40 = type_array__Arraykernel__Object.id;
-if(var_listnode15 == NULL) {
-var38 = 0;
+var38 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction322>*/;
+var_listnode13 = var38;
+var39 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var40 = NULL;
+var41 = NULL;
+var42 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var39->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var39, var40, var41, var_listnode13, var42) /* init_aannotations on <var39:AAnnotations>*/;
+var_pannotationsnode9 = var39;
+var_pexterncodeblocknode15 = var_nodearraylist9;
+/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
+cltype44 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype45 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode15 == NULL) {
+var43 = 1;
 } else {
-if(cltype39 >= var_listnode15->type->table_size) {
-var38 = 0;
+if(cltype44 >= var_pexterncodeblocknode15->type->table_size) {
+var43 = 0;
 } else {
-var38 = var_listnode15->type->type_table[cltype39] == idtype40;
+var43 = var_pexterncodeblocknode15->type->type_table[cltype44] == idtype45;
 }
 }
-if (!var38) {
+if (!var43) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14573);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14901);
+show_backtrace(1);
 }
-var41 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction315>*/;
-var_listnode16 = var41;
-var_listnode17 = var_nodearraylist10;
-/* <var_listnode17:nullable Object> isa Array[Object] */
-cltype43 = type_array__Arraykernel__Object.color;
-idtype44 = type_array__Arraykernel__Object.id;
-if(var_listnode17 == NULL) {
-var42 = 0;
+var_listnode16 = var_nodearraylist10;
+/* <var_listnode16:nullable Object> isa Array[Object] */
+cltype47 = type_array__Arraykernel__Object.color;
+idtype48 = type_array__Arraykernel__Object.id;
+if(var_listnode16 == NULL) {
+var46 = 0;
 } else {
-if(cltype43 >= var_listnode17->type->table_size) {
-var42 = 0;
+if(cltype47 >= var_listnode16->type->table_size) {
+var46 = 0;
 } else {
-var42 = var_listnode17->type->type_table[cltype43] == idtype44;
+var46 = var_listnode16->type->type_table[cltype47] == idtype48;
 }
 }
-if (!var42) {
+if (!var46) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14576);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14903);
+show_backtrace(1);
 }
-var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction315>*/;
-var_listnode18 = var45;
-var_tkwendnode19 = var_nodearraylist12;
-/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
-cltype47 = type_nullable_parser_nodes__TKwend.color;
-idtype48 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode19 == NULL) {
-var46 = 1;
+var49 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction322>*/;
+var_listnode17 = var49;
+var_listnode18 = var_nodearraylist11;
+/* <var_listnode18:nullable Object> isa Array[Object] */
+cltype51 = type_array__Arraykernel__Object.color;
+idtype52 = type_array__Arraykernel__Object.id;
+if(var_listnode18 == NULL) {
+var50 = 0;
 } else {
-if(cltype47 >= var_tkwendnode19->type->table_size) {
-var46 = 0;
+if(cltype51 >= var_listnode18->type->table_size) {
+var50 = 0;
 } else {
-var46 = var_tkwendnode19->type->type_table[cltype47] == idtype48;
+var50 = var_listnode18->type->type_table[cltype51] == idtype52;
 }
 }
-if (!var46) {
+if (!var50) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14579);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14906);
+show_backtrace(1);
 }
-var49 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var50 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var49->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var49, var_pdocnode2, var50, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var49:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var49);
-var_pclassdefnode1 = var49;
+var53 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction322>*/;
+var_listnode19 = var53;
+var_tkwendnode20 = var_nodearraylist13;
+/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
+cltype55 = type_nullable_parser_nodes__TKwend.color;
+idtype56 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode20 == NULL) {
+var54 = 1;
+} else {
+if(cltype55 >= var_tkwendnode20->type->table_size) {
+var54 = 0;
+} else {
+var54 = var_tkwendnode20->type->type_table[cltype55] == idtype56;
+}
+}
+if (!var54) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14909);
+show_backtrace(1);
+}
+var57 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var57->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var57, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var57:AStdClassdef>*/;
+var_pclassdefnode1 = var57;
 var_node_list = var_pclassdefnode1;
-var51 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction315> */
-var52 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var51) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var52, var_node_list) /* push on <var_p:Parser>*/;
+var58 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction322> */
+var59 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var58) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var59, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction315#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction315__action(val* self, val* p0) {
-parser__ReduceAction315__action(self, p0);
+/* method parser#ReduceAction322#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction322__action(val* self, val* p0) {
+parser__ReduceAction322__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction316#action for (self: ReduceAction316, Parser) */
-void parser__ReduceAction316__action(val* self, val* p0) {
+/* method parser#ReduceAction323#action for (self: ReduceAction323, Parser) */
+void parser__ReduceAction323__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
@@ -2279,11 +2379,11 @@ val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
 val* var13 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var14 /* : Array[Object] */;
-val* var_listnode7 /* var listnode7: Array[Object] */;
+val* var_listnode8 /* var listnode8: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode16 /* var listnode16: Array[Object] */;
+val* var_listnode17 /* var listnode17: Array[Object] */;
 val* var16 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: Array[Object] */;
+val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
 short int var17 /* : Bool */;
 int cltype;
@@ -2300,41 +2400,46 @@ val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
 short int var24 /* : Bool */;
 int cltype25;
 int idtype26;
-val* var27 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var28 /* : Bool */;
-int cltype29;
-int idtype30;
+val* var_listnode7 /* var listnode7: nullable Object */;
+short int var27 /* : Bool */;
+int cltype28;
+int idtype29;
+val* var30 /* : Array[Object] */;
 val* var31 /* : Array[Object] */;
-val* var32 /* : AAnnotations */;
-val* var33 /* : null */;
-val* var34 /* : null */;
-val* var35 /* : null */;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
-val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
-short int var36 /* : Bool */;
-int cltype37;
-int idtype38;
-val* var_listnode15 /* var listnode15: nullable Object */;
-short int var39 /* : Bool */;
-int cltype40;
-int idtype41;
-val* var42 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: nullable Object */;
+val* var_listnode13 /* var listnode13: Array[Object] */;
+val* var_listnode12 /* var listnode12: nullable Object */;
+short int var32 /* : Bool */;
+int cltype33;
+int idtype34;
+val* var35 /* : Array[Object] */;
+val* var36 /* : AAnnotations */;
+val* var37 /* : null */;
+val* var38 /* : null */;
+val* var39 /* : null */;
+val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
+val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
+short int var40 /* : Bool */;
+int cltype41;
+int idtype42;
+val* var_listnode16 /* var listnode16: nullable Object */;
 short int var43 /* : Bool */;
 int cltype44;
 int idtype45;
 val* var46 /* : Array[Object] */;
-val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+val* var_listnode18 /* var listnode18: nullable Object */;
 short int var47 /* : Bool */;
 int cltype48;
 int idtype49;
-val* var50 /* : AStdClassdef */;
-val* var51 /* : null */;
+val* var50 /* : Array[Object] */;
+val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
+short int var51 /* : Bool */;
+int cltype52;
+int idtype53;
+val* var54 /* : AStdClassdef */;
+val* var55 /* : null */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var52 /* : Int */;
-long var53 /* : Int */;
+long var56 /* : Int */;
+long var57 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
@@ -2366,16 +2471,13 @@ var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p)
 var_nodearraylist1 = var13;
 var14 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode7 = var14;
+var_listnode8 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode16 = var15;
+var_listnode17 = var15;
 var16 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode18 = var16;
+var_listnode19 = var16;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
@@ -2391,8 +2493,8 @@ var17 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14619);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14949);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
@@ -2409,8 +2511,8 @@ var18 = var_pvisibilitynode4->type->type_table[cltype19] == idtype20;
 }
 if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14621);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14951);
+show_backtrace(1);
 }
 var_pclasskindnode5 = var_nodearraylist3;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
@@ -2427,10 +2529,10 @@ var21 = var_pclasskindnode5->type->type_table[cltype22] == idtype23;
 }
 if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14623);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14953);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist7;
+var_tclassidnode6 = var_nodearraylist6;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
 cltype25 = type_nullable_parser_nodes__TClassid.color;
 idtype26 = type_nullable_parser_nodes__TClassid.id;
@@ -2445,478 +2547,498 @@ var24 = var_tclassidnode6->type->type_table[cltype25] == idtype26;
 }
 if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14625);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14955);
+show_backtrace(1);
 }
-var27 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var27->class->vft[COLOR_array__Array__init]))(var27) /* init on <var27:Array[Object]>*/;
-CHECK_NEW_array__Array(var27);
-var_listnode12 = var27;
-var_listnode11 = var_nodearraylist8;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype29 = type_array__Arraykernel__Object.color;
-idtype30 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var28 = 0;
+var_listnode7 = var_nodearraylist7;
+/* <var_listnode7:nullable Object> isa Array[Object] */
+cltype28 = type_array__Arraykernel__Object.color;
+idtype29 = type_array__Arraykernel__Object.id;
+if(var_listnode7 == NULL) {
+var27 = 0;
 } else {
-if(cltype29 >= var_listnode11->type->table_size) {
-var28 = 0;
+if(cltype28 >= var_listnode7->type->table_size) {
+var27 = 0;
 } else {
-var28 = var_listnode11->type->type_table[cltype29] == idtype30;
+var27 = var_listnode7->type->type_table[cltype28] == idtype29;
 }
 }
-if (!var28) {
+if (!var27) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14628);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14957);
+show_backtrace(1);
 }
-var31 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction316>*/;
-var_listnode12 = var31;
-var32 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var33 = NULL;
-var34 = NULL;
-var35 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var32->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var32, var33, var34, var_listnode12, var35) /* init_aannotations on <var32:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var32);
-var_pannotationsnode8 = var32;
-var_pexterncodeblocknode14 = var_nodearraylist9;
-/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
-cltype37 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype38 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode14 == NULL) {
-var36 = 1;
+var30 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction323>*/;
+var_listnode8 = var30;
+var31 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var31->class->vft[COLOR_array__Array__init]))(var31) /* init on <var31:Array[Object]>*/;
+var_listnode13 = var31;
+var_listnode12 = var_nodearraylist8;
+/* <var_listnode12:nullable Object> isa Array[Object] */
+cltype33 = type_array__Arraykernel__Object.color;
+idtype34 = type_array__Arraykernel__Object.id;
+if(var_listnode12 == NULL) {
+var32 = 0;
 } else {
-if(cltype37 >= var_pexterncodeblocknode14->type->table_size) {
-var36 = 0;
+if(cltype33 >= var_listnode12->type->table_size) {
+var32 = 0;
 } else {
-var36 = var_pexterncodeblocknode14->type->type_table[cltype37] == idtype38;
+var32 = var_listnode12->type->type_table[cltype33] == idtype34;
 }
 }
-if (!var36) {
+if (!var32) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14637);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14961);
+show_backtrace(1);
 }
-var_listnode15 = var_nodearraylist10;
-/* <var_listnode15:nullable Object> isa Array[Object] */
-cltype40 = type_array__Arraykernel__Object.color;
-idtype41 = type_array__Arraykernel__Object.id;
-if(var_listnode15 == NULL) {
-var39 = 0;
+var35 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction323>*/;
+var_listnode13 = var35;
+var36 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var37 = NULL;
+var38 = NULL;
+var39 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var36->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var36, var37, var38, var_listnode13, var39) /* init_aannotations on <var36:AAnnotations>*/;
+var_pannotationsnode9 = var36;
+var_pexterncodeblocknode15 = var_nodearraylist9;
+/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
+cltype41 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype42 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode15 == NULL) {
+var40 = 1;
 } else {
-if(cltype40 >= var_listnode15->type->table_size) {
-var39 = 0;
+if(cltype41 >= var_pexterncodeblocknode15->type->table_size) {
+var40 = 0;
 } else {
-var39 = var_listnode15->type->type_table[cltype40] == idtype41;
+var40 = var_pexterncodeblocknode15->type->type_table[cltype41] == idtype42;
 }
 }
-if (!var39) {
+if (!var40) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14639);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14970);
+show_backtrace(1);
 }
-var42 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction316>*/;
-var_listnode16 = var42;
-var_listnode17 = var_nodearraylist11;
-/* <var_listnode17:nullable Object> isa Array[Object] */
+var_listnode16 = var_nodearraylist10;
+/* <var_listnode16:nullable Object> isa Array[Object] */
 cltype44 = type_array__Arraykernel__Object.color;
 idtype45 = type_array__Arraykernel__Object.id;
-if(var_listnode17 == NULL) {
+if(var_listnode16 == NULL) {
 var43 = 0;
 } else {
-if(cltype44 >= var_listnode17->type->table_size) {
+if(cltype44 >= var_listnode16->type->table_size) {
 var43 = 0;
 } else {
-var43 = var_listnode17->type->type_table[cltype44] == idtype45;
+var43 = var_listnode16->type->type_table[cltype44] == idtype45;
 }
 }
 if (!var43) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14642);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14972);
+show_backtrace(1);
 }
-var46 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction316>*/;
-var_listnode18 = var46;
-var_tkwendnode19 = var_nodearraylist13;
-/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
-cltype48 = type_nullable_parser_nodes__TKwend.color;
-idtype49 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode19 == NULL) {
-var47 = 1;
+var46 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction323>*/;
+var_listnode17 = var46;
+var_listnode18 = var_nodearraylist11;
+/* <var_listnode18:nullable Object> isa Array[Object] */
+cltype48 = type_array__Arraykernel__Object.color;
+idtype49 = type_array__Arraykernel__Object.id;
+if(var_listnode18 == NULL) {
+var47 = 0;
 } else {
-if(cltype48 >= var_tkwendnode19->type->table_size) {
+if(cltype48 >= var_listnode18->type->table_size) {
 var47 = 0;
 } else {
-var47 = var_tkwendnode19->type->type_table[cltype48] == idtype49;
+var47 = var_listnode18->type->type_table[cltype48] == idtype49;
 }
 }
 if (!var47) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14645);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14975);
+show_backtrace(1);
 }
-var50 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var51 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var50->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var50, var_pdocnode2, var51, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var50:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var50);
-var_pclassdefnode1 = var50;
+var50 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction323>*/;
+var_listnode19 = var50;
+var_tkwendnode20 = var_nodearraylist13;
+/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
+cltype52 = type_nullable_parser_nodes__TKwend.color;
+idtype53 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode20 == NULL) {
+var51 = 1;
+} else {
+if(cltype52 >= var_tkwendnode20->type->table_size) {
+var51 = 0;
+} else {
+var51 = var_tkwendnode20->type->type_table[cltype52] == idtype53;
+}
+}
+if (!var51) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14978);
+show_backtrace(1);
+}
+var54 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+var55 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var54->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var54, var_pdocnode2, var55, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var54:AStdClassdef>*/;
+var_pclassdefnode1 = var54;
 var_node_list = var_pclassdefnode1;
-var52 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction316> */
-var53 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var52) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var53, var_node_list) /* push on <var_p:Parser>*/;
+var56 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction323> */
+var57 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var56) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var57, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction316#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction316__action(val* self, val* p0) {
-parser__ReduceAction316__action(self, p0);
+/* method parser#ReduceAction323#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction323__action(val* self, val* p0) {
+parser__ReduceAction323__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction318#action for (self: ReduceAction318, Parser) */
-void parser__ReduceAction318__action(val* self, val* p0) {
+/* method parser#ReduceAction324#action for (self: ReduceAction324, Parser) */
+void parser__ReduceAction324__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
+val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
+val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
+val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
+val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
+val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var8 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var9 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var10 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var11 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var12 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var13 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var14 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var14 /* : Array[Object] */;
-val* var_listnode7 /* var listnode7: Array[Object] */;
 val* var15 /* : Array[Object] */;
-val* var_listnode16 /* var listnode16: Array[Object] */;
+val* var_listnode8 /* var listnode8: Array[Object] */;
 val* var16 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: Array[Object] */;
+val* var_listnode17 /* var listnode17: Array[Object] */;
+val* var17 /* : Array[Object] */;
+val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var17 /* : Bool */;
+short int var18 /* : Bool */;
 int cltype;
 int idtype;
-val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
 val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
 val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-val* var30 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var31 /* : Bool */;
-int cltype32;
-int idtype33;
-val* var34 /* : Array[Object] */;
-val* var35 /* : AAnnotations */;
-val* var36 /* : null */;
-val* var37 /* : null */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+val* var_listnode7 /* var listnode7: nullable Object */;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+val* var31 /* : Array[Object] */;
+val* var32 /* : Array[Object] */;
+val* var_listnode13 /* var listnode13: Array[Object] */;
+val* var_listnode12 /* var listnode12: nullable Object */;
+short int var33 /* : Bool */;
+int cltype34;
+int idtype35;
+val* var36 /* : Array[Object] */;
+val* var37 /* : AAnnotations */;
 val* var38 /* : null */;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
-val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
-short int var39 /* : Bool */;
-int cltype40;
-int idtype41;
-val* var_listnode15 /* var listnode15: nullable Object */;
-short int var42 /* : Bool */;
-int cltype43;
-int idtype44;
-val* var45 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: nullable Object */;
-short int var46 /* : Bool */;
-int cltype47;
-int idtype48;
-val* var49 /* : Array[Object] */;
-val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
-short int var50 /* : Bool */;
-int cltype51;
-int idtype52;
-val* var53 /* : AStdClassdef */;
+val* var39 /* : null */;
+val* var40 /* : null */;
+val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
+val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
+short int var41 /* : Bool */;
+int cltype42;
+int idtype43;
+val* var_listnode16 /* var listnode16: nullable Object */;
+short int var44 /* : Bool */;
+int cltype45;
+int idtype46;
+val* var47 /* : Array[Object] */;
+val* var_listnode18 /* var listnode18: nullable Object */;
+short int var48 /* : Bool */;
+int cltype49;
+int idtype50;
+val* var51 /* : Array[Object] */;
+val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
+short int var52 /* : Bool */;
+int cltype53;
+int idtype54;
+val* var55 /* : AStdClassdef */;
+val* var56 /* : null */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var54 /* : Int */;
-long var55 /* : Int */;
+long var57 /* : Int */;
+long var58 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var1;
+var_nodearraylist14 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var2;
+var_nodearraylist13 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var3;
+var_nodearraylist12 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var4;
+var_nodearraylist11 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var5;
+var_nodearraylist10 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var6;
+var_nodearraylist9 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var7;
+var_nodearraylist8 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var8;
+var_nodearraylist7 = var8;
 var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var9;
+var_nodearraylist6 = var9;
 var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var10;
+var_nodearraylist5 = var10;
 var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var11;
+var_nodearraylist4 = var11;
 var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var12;
+var_nodearraylist3 = var12;
 var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var13;
-var14 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode7 = var14;
+var_nodearraylist2 = var13;
+var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode16 = var15;
+var_listnode8 = var15;
 var16 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode18 = var16;
+var_listnode17 = var16;
+var17 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
+var_listnode19 = var17;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var17 = 1;
-} else {
-if(cltype >= var_pdocnode2->type->table_size) {
-var17 = 0;
-} else {
-var17 = var_pdocnode2->type->type_table[cltype] == idtype;
-}
-}
-if (!var17) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14685);
-exit(1);
-}
-var_tkwredefnode3 = var_nodearraylist2;
-/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype19 = type_nullable_parser_nodes__TKwredef.color;
-idtype20 = type_nullable_parser_nodes__TKwredef.id;
-if(var_tkwredefnode3 == NULL) {
 var18 = 1;
 } else {
-if(cltype19 >= var_tkwredefnode3->type->table_size) {
+if(cltype >= var_pdocnode2->type->table_size) {
 var18 = 0;
 } else {
-var18 = var_tkwredefnode3->type->type_table[cltype19] == idtype20;
+var18 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
 if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14687);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15019);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist3;
+var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype22 = type_nullable_parser_nodes__AVisibility.color;
-idtype23 = type_nullable_parser_nodes__AVisibility.id;
+cltype20 = type_nullable_parser_nodes__AVisibility.color;
+idtype21 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var21 = 1;
+var19 = 1;
 } else {
-if(cltype22 >= var_pvisibilitynode4->type->table_size) {
-var21 = 0;
+if(cltype20 >= var_pvisibilitynode4->type->table_size) {
+var19 = 0;
 } else {
-var21 = var_pvisibilitynode4->type->type_table[cltype22] == idtype23;
+var19 = var_pvisibilitynode4->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var21) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14689);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15021);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist4;
+var_pclasskindnode5 = var_nodearraylist3;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype25 = type_nullable_parser_nodes__AClasskind.color;
-idtype26 = type_nullable_parser_nodes__AClasskind.id;
+cltype23 = type_nullable_parser_nodes__AClasskind.color;
+idtype24 = type_nullable_parser_nodes__AClasskind.id;
 if(var_pclasskindnode5 == NULL) {
-var24 = 1;
+var22 = 1;
 } else {
-if(cltype25 >= var_pclasskindnode5->type->table_size) {
-var24 = 0;
+if(cltype23 >= var_pclasskindnode5->type->table_size) {
+var22 = 0;
 } else {
-var24 = var_pclasskindnode5->type->type_table[cltype25] == idtype26;
+var22 = var_pclasskindnode5->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var24) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14691);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15023);
+show_backtrace(1);
 }
 var_tclassidnode6 = var_nodearraylist7;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype28 = type_nullable_parser_nodes__TClassid.color;
-idtype29 = type_nullable_parser_nodes__TClassid.id;
+cltype26 = type_nullable_parser_nodes__TClassid.color;
+idtype27 = type_nullable_parser_nodes__TClassid.id;
 if(var_tclassidnode6 == NULL) {
-var27 = 1;
+var25 = 1;
 } else {
-if(cltype28 >= var_tclassidnode6->type->table_size) {
-var27 = 0;
+if(cltype26 >= var_tclassidnode6->type->table_size) {
+var25 = 0;
 } else {
-var27 = var_tclassidnode6->type->type_table[cltype28] == idtype29;
+var25 = var_tclassidnode6->type->type_table[cltype26] == idtype27;
 }
 }
-if (!var27) {
+if (!var25) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14693);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15025);
+show_backtrace(1);
 }
-var30 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var30->class->vft[COLOR_array__Array__init]))(var30) /* init on <var30:Array[Object]>*/;
-CHECK_NEW_array__Array(var30);
-var_listnode12 = var30;
-var_listnode11 = var_nodearraylist8;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype32 = type_array__Arraykernel__Object.color;
-idtype33 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var31 = 0;
+var_listnode7 = var_nodearraylist8;
+/* <var_listnode7:nullable Object> isa Array[Object] */
+cltype29 = type_array__Arraykernel__Object.color;
+idtype30 = type_array__Arraykernel__Object.id;
+if(var_listnode7 == NULL) {
+var28 = 0;
 } else {
-if(cltype32 >= var_listnode11->type->table_size) {
-var31 = 0;
+if(cltype29 >= var_listnode7->type->table_size) {
+var28 = 0;
 } else {
-var31 = var_listnode11->type->type_table[cltype32] == idtype33;
+var28 = var_listnode7->type->type_table[cltype29] == idtype30;
 }
 }
-if (!var31) {
+if (!var28) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14696);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15027);
+show_backtrace(1);
 }
-var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction318>*/;
-var_listnode12 = var34;
-var35 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var36 = NULL;
-var37 = NULL;
-var38 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var35->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var35, var36, var37, var_listnode12, var38) /* init_aannotations on <var35:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var35);
-var_pannotationsnode8 = var35;
-var_pexterncodeblocknode14 = var_nodearraylist9;
-/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
-cltype40 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype41 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode14 == NULL) {
-var39 = 1;
+var31 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction324>*/;
+var_listnode8 = var31;
+var32 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var32->class->vft[COLOR_array__Array__init]))(var32) /* init on <var32:Array[Object]>*/;
+var_listnode13 = var32;
+var_listnode12 = var_nodearraylist9;
+/* <var_listnode12:nullable Object> isa Array[Object] */
+cltype34 = type_array__Arraykernel__Object.color;
+idtype35 = type_array__Arraykernel__Object.id;
+if(var_listnode12 == NULL) {
+var33 = 0;
 } else {
-if(cltype40 >= var_pexterncodeblocknode14->type->table_size) {
-var39 = 0;
+if(cltype34 >= var_listnode12->type->table_size) {
+var33 = 0;
 } else {
-var39 = var_pexterncodeblocknode14->type->type_table[cltype40] == idtype41;
+var33 = var_listnode12->type->type_table[cltype34] == idtype35;
 }
 }
-if (!var39) {
+if (!var33) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14705);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15031);
+show_backtrace(1);
 }
-var_listnode15 = var_nodearraylist10;
-/* <var_listnode15:nullable Object> isa Array[Object] */
-cltype43 = type_array__Arraykernel__Object.color;
-idtype44 = type_array__Arraykernel__Object.id;
-if(var_listnode15 == NULL) {
-var42 = 0;
+var36 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction324>*/;
+var_listnode13 = var36;
+var37 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var38 = NULL;
+var39 = NULL;
+var40 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var37->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var37, var38, var39, var_listnode13, var40) /* init_aannotations on <var37:AAnnotations>*/;
+var_pannotationsnode9 = var37;
+var_pexterncodeblocknode15 = var_nodearraylist10;
+/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
+cltype42 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype43 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode15 == NULL) {
+var41 = 1;
 } else {
-if(cltype43 >= var_listnode15->type->table_size) {
-var42 = 0;
+if(cltype42 >= var_pexterncodeblocknode15->type->table_size) {
+var41 = 0;
 } else {
-var42 = var_listnode15->type->type_table[cltype43] == idtype44;
+var41 = var_pexterncodeblocknode15->type->type_table[cltype42] == idtype43;
 }
 }
-if (!var42) {
+if (!var41) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14707);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15040);
+show_backtrace(1);
 }
-var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction318>*/;
-var_listnode16 = var45;
-var_listnode17 = var_nodearraylist11;
-/* <var_listnode17:nullable Object> isa Array[Object] */
-cltype47 = type_array__Arraykernel__Object.color;
-idtype48 = type_array__Arraykernel__Object.id;
-if(var_listnode17 == NULL) {
-var46 = 0;
+var_listnode16 = var_nodearraylist11;
+/* <var_listnode16:nullable Object> isa Array[Object] */
+cltype45 = type_array__Arraykernel__Object.color;
+idtype46 = type_array__Arraykernel__Object.id;
+if(var_listnode16 == NULL) {
+var44 = 0;
 } else {
-if(cltype47 >= var_listnode17->type->table_size) {
-var46 = 0;
+if(cltype45 >= var_listnode16->type->table_size) {
+var44 = 0;
 } else {
-var46 = var_listnode17->type->type_table[cltype47] == idtype48;
+var44 = var_listnode16->type->type_table[cltype45] == idtype46;
 }
 }
-if (!var46) {
+if (!var44) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14710);
-exit(1);
-}
-var49 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction318>*/;
-var_listnode18 = var49;
-var_tkwendnode19 = var_nodearraylist13;
-/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
-cltype51 = type_nullable_parser_nodes__TKwend.color;
-idtype52 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode19 == NULL) {
-var50 = 1;
-} else {
-if(cltype51 >= var_tkwendnode19->type->table_size) {
-var50 = 0;
-} else {
-var50 = var_tkwendnode19->type->type_table[cltype51] == idtype52;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15042);
+show_backtrace(1);
 }
+var47 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction324>*/;
+var_listnode17 = var47;
+var_listnode18 = var_nodearraylist12;
+/* <var_listnode18:nullable Object> isa Array[Object] */
+cltype49 = type_array__Arraykernel__Object.color;
+idtype50 = type_array__Arraykernel__Object.id;
+if(var_listnode18 == NULL) {
+var48 = 0;
+} else {
+if(cltype49 >= var_listnode18->type->table_size) {
+var48 = 0;
+} else {
+var48 = var_listnode18->type->type_table[cltype49] == idtype50;
 }
-if (!var50) {
+}
+if (!var48) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14713);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15045);
+show_backtrace(1);
 }
-var53 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var53->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var53, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var53:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var53);
-var_pclassdefnode1 = var53;
+var51 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction324>*/;
+var_listnode19 = var51;
+var_tkwendnode20 = var_nodearraylist14;
+/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
+cltype53 = type_nullable_parser_nodes__TKwend.color;
+idtype54 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode20 == NULL) {
+var52 = 1;
+} else {
+if(cltype53 >= var_tkwendnode20->type->table_size) {
+var52 = 0;
+} else {
+var52 = var_tkwendnode20->type->type_table[cltype53] == idtype54;
+}
+}
+if (!var52) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15048);
+show_backtrace(1);
+}
+var55 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+var56 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var55->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var55, var_pdocnode2, var56, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var55:AStdClassdef>*/;
+var_pclassdefnode1 = var55;
 var_node_list = var_pclassdefnode1;
-var54 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction318> */
-var55 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var54) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var55, var_node_list) /* push on <var_p:Parser>*/;
+var57 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction324> */
+var58 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var57) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var58, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction318#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction318__action(val* self, val* p0) {
-parser__ReduceAction318__action(self, p0);
+/* method parser#ReduceAction324#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction324__action(val* self, val* p0) {
+parser__ReduceAction324__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction319#action for (self: ReduceAction319, Parser) */
-void parser__ReduceAction319__action(val* self, val* p0) {
+/* method parser#ReduceAction326#action for (self: ReduceAction326, Parser) */
+void parser__ReduceAction326__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
@@ -2949,11 +3071,11 @@ val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
 val* var14 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var15 /* : Array[Object] */;
-val* var_listnode7 /* var listnode7: Array[Object] */;
+val* var_listnode8 /* var listnode8: Array[Object] */;
 val* var16 /* : Array[Object] */;
-val* var_listnode16 /* var listnode16: Array[Object] */;
+val* var_listnode17 /* var listnode17: Array[Object] */;
 val* var17 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: Array[Object] */;
+val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
 short int var18 /* : Bool */;
 int cltype;
@@ -2974,40 +3096,45 @@ val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
 short int var28 /* : Bool */;
 int cltype29;
 int idtype30;
-val* var31 /* : Array[Object] */;
-val* var_listnode12 /* var listnode12: Array[Object] */;
-val* var_listnode11 /* var listnode11: nullable Object */;
-short int var32 /* : Bool */;
-int cltype33;
-int idtype34;
+val* var_listnode7 /* var listnode7: nullable Object */;
+short int var31 /* : Bool */;
+int cltype32;
+int idtype33;
+val* var34 /* : Array[Object] */;
 val* var35 /* : Array[Object] */;
-val* var36 /* : AAnnotations */;
-val* var37 /* : null */;
-val* var38 /* : null */;
-val* var39 /* : null */;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable AAnnotations */;
-val* var_pexterncodeblocknode14 /* var pexterncodeblocknode14: nullable Object */;
-short int var40 /* : Bool */;
-int cltype41;
-int idtype42;
-val* var_listnode15 /* var listnode15: nullable Object */;
-short int var43 /* : Bool */;
-int cltype44;
-int idtype45;
-val* var46 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: nullable Object */;
+val* var_listnode13 /* var listnode13: Array[Object] */;
+val* var_listnode12 /* var listnode12: nullable Object */;
+short int var36 /* : Bool */;
+int cltype37;
+int idtype38;
+val* var39 /* : Array[Object] */;
+val* var40 /* : AAnnotations */;
+val* var41 /* : null */;
+val* var42 /* : null */;
+val* var43 /* : null */;
+val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
+val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
+short int var44 /* : Bool */;
+int cltype45;
+int idtype46;
+val* var_listnode16 /* var listnode16: nullable Object */;
 short int var47 /* : Bool */;
 int cltype48;
 int idtype49;
 val* var50 /* : Array[Object] */;
-val* var_tkwendnode19 /* var tkwendnode19: nullable Object */;
+val* var_listnode18 /* var listnode18: nullable Object */;
 short int var51 /* : Bool */;
 int cltype52;
 int idtype53;
-val* var54 /* : AStdClassdef */;
+val* var54 /* : Array[Object] */;
+val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
+short int var55 /* : Bool */;
+int cltype56;
+int idtype57;
+val* var58 /* : AStdClassdef */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var55 /* : Int */;
-long var56 /* : Int */;
+long var59 /* : Int */;
+long var60 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
@@ -3041,16 +3168,13 @@ var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p)
 var_nodearraylist1 = var14;
 var15 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode7 = var15;
+var_listnode8 = var15;
 var16 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode16 = var16;
+var_listnode17 = var16;
 var17 = NEW_array__Array(&type_array__Arraykernel__Object);
 ((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
-CHECK_NEW_array__Array(var17);
-var_listnode18 = var17;
+var_listnode19 = var17;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
@@ -3066,8 +3190,8 @@ var18 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14754);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15089);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
@@ -3084,8 +3208,8 @@ var19 = var_tkwredefnode3->type->type_table[cltype20] == idtype21;
 }
 if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14756);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15091);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
@@ -3102,8 +3226,8 @@ var22 = var_pvisibilitynode4->type->type_table[cltype23] == idtype24;
 }
 if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14758);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15093);
+show_backtrace(1);
 }
 var_pclasskindnode5 = var_nodearraylist4;
 /* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
@@ -3120,10 +3244,10 @@ var25 = var_pclasskindnode5->type->type_table[cltype26] == idtype27;
 }
 if (!var25) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14760);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15095);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist8;
+var_tclassidnode6 = var_nodearraylist7;
 /* <var_tclassidnode6:nullable Object> isa nullable TClassid */
 cltype29 = type_nullable_parser_nodes__TClassid.color;
 idtype30 = type_nullable_parser_nodes__TClassid.id;
@@ -3138,6846 +3262,6725 @@ var28 = var_tclassidnode6->type->type_table[cltype29] == idtype30;
 }
 if (!var28) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14762);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15097);
+show_backtrace(1);
 }
-var31 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var31->class->vft[COLOR_array__Array__init]))(var31) /* init on <var31:Array[Object]>*/;
-CHECK_NEW_array__Array(var31);
-var_listnode12 = var31;
-var_listnode11 = var_nodearraylist9;
-/* <var_listnode11:nullable Object> isa Array[Object] */
-cltype33 = type_array__Arraykernel__Object.color;
-idtype34 = type_array__Arraykernel__Object.id;
-if(var_listnode11 == NULL) {
-var32 = 0;
+var_listnode7 = var_nodearraylist8;
+/* <var_listnode7:nullable Object> isa Array[Object] */
+cltype32 = type_array__Arraykernel__Object.color;
+idtype33 = type_array__Arraykernel__Object.id;
+if(var_listnode7 == NULL) {
+var31 = 0;
 } else {
-if(cltype33 >= var_listnode11->type->table_size) {
-var32 = 0;
+if(cltype32 >= var_listnode7->type->table_size) {
+var31 = 0;
 } else {
-var32 = var_listnode11->type->type_table[cltype33] == idtype34;
+var31 = var_listnode7->type->type_table[cltype32] == idtype33;
 }
 }
-if (!var32) {
+if (!var31) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14765);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15099);
+show_backtrace(1);
 }
-var35 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode12, var_listnode11) /* concat on <self:ReduceAction319>*/;
-var_listnode12 = var35;
-var36 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var37 = NULL;
-var38 = NULL;
-var39 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var36->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var36, var37, var38, var_listnode12, var39) /* init_aannotations on <var36:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var36);
-var_pannotationsnode8 = var36;
-var_pexterncodeblocknode14 = var_nodearraylist10;
-/* <var_pexterncodeblocknode14:nullable Object> isa nullable AExternCodeBlock */
-cltype41 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype42 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode14 == NULL) {
-var40 = 1;
+var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction326>*/;
+var_listnode8 = var34;
+var35 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var35->class->vft[COLOR_array__Array__init]))(var35) /* init on <var35:Array[Object]>*/;
+var_listnode13 = var35;
+var_listnode12 = var_nodearraylist9;
+/* <var_listnode12:nullable Object> isa Array[Object] */
+cltype37 = type_array__Arraykernel__Object.color;
+idtype38 = type_array__Arraykernel__Object.id;
+if(var_listnode12 == NULL) {
+var36 = 0;
 } else {
-if(cltype41 >= var_pexterncodeblocknode14->type->table_size) {
-var40 = 0;
+if(cltype37 >= var_listnode12->type->table_size) {
+var36 = 0;
 } else {
-var40 = var_pexterncodeblocknode14->type->type_table[cltype41] == idtype42;
+var36 = var_listnode12->type->type_table[cltype37] == idtype38;
 }
 }
-if (!var40) {
+if (!var36) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14774);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15103);
+show_backtrace(1);
 }
-var_listnode15 = var_nodearraylist11;
-/* <var_listnode15:nullable Object> isa Array[Object] */
-cltype44 = type_array__Arraykernel__Object.color;
-idtype45 = type_array__Arraykernel__Object.id;
-if(var_listnode15 == NULL) {
-var43 = 0;
+var39 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction326>*/;
+var_listnode13 = var39;
+var40 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var41 = NULL;
+var42 = NULL;
+var43 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var40->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var40, var41, var42, var_listnode13, var43) /* init_aannotations on <var40:AAnnotations>*/;
+var_pannotationsnode9 = var40;
+var_pexterncodeblocknode15 = var_nodearraylist10;
+/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
+cltype45 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype46 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode15 == NULL) {
+var44 = 1;
 } else {
-if(cltype44 >= var_listnode15->type->table_size) {
-var43 = 0;
+if(cltype45 >= var_pexterncodeblocknode15->type->table_size) {
+var44 = 0;
 } else {
-var43 = var_listnode15->type->type_table[cltype44] == idtype45;
+var44 = var_pexterncodeblocknode15->type->type_table[cltype45] == idtype46;
 }
 }
-if (!var43) {
+if (!var44) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14776);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15112);
+show_backtrace(1);
 }
-var46 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode16, var_listnode15) /* concat on <self:ReduceAction319>*/;
-var_listnode16 = var46;
-var_listnode17 = var_nodearraylist12;
-/* <var_listnode17:nullable Object> isa Array[Object] */
+var_listnode16 = var_nodearraylist11;
+/* <var_listnode16:nullable Object> isa Array[Object] */
 cltype48 = type_array__Arraykernel__Object.color;
 idtype49 = type_array__Arraykernel__Object.id;
-if(var_listnode17 == NULL) {
+if(var_listnode16 == NULL) {
 var47 = 0;
 } else {
-if(cltype48 >= var_listnode17->type->table_size) {
+if(cltype48 >= var_listnode16->type->table_size) {
 var47 = 0;
 } else {
-var47 = var_listnode17->type->type_table[cltype48] == idtype49;
+var47 = var_listnode16->type->type_table[cltype48] == idtype49;
 }
 }
 if (!var47) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14779);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15114);
+show_backtrace(1);
 }
-var50 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode18, var_listnode17) /* concat on <self:ReduceAction319>*/;
-var_listnode18 = var50;
-var_tkwendnode19 = var_nodearraylist14;
-/* <var_tkwendnode19:nullable Object> isa nullable TKwend */
-cltype52 = type_nullable_parser_nodes__TKwend.color;
-idtype53 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode19 == NULL) {
-var51 = 1;
+var50 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction326>*/;
+var_listnode17 = var50;
+var_listnode18 = var_nodearraylist12;
+/* <var_listnode18:nullable Object> isa Array[Object] */
+cltype52 = type_array__Arraykernel__Object.color;
+idtype53 = type_array__Arraykernel__Object.id;
+if(var_listnode18 == NULL) {
+var51 = 0;
 } else {
-if(cltype52 >= var_tkwendnode19->type->table_size) {
+if(cltype52 >= var_listnode18->type->table_size) {
 var51 = 0;
 } else {
-var51 = var_tkwendnode19->type->type_table[cltype52] == idtype53;
+var51 = var_listnode18->type->type_table[cltype52] == idtype53;
 }
 }
 if (!var51) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14782);
-exit(1);
-}
-var54 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var54->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var54, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode7, var_pannotationsnode8, var_pexterncodeblocknode14, var_listnode16, var_listnode18, var_tkwendnode19) /* init_astdclassdef on <var54:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var54);
-var_pclassdefnode1 = var54;
-var_node_list = var_pclassdefnode1;
-var55 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction319> */
-var56 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var55) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var56, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15117);
+show_backtrace(1);
 }
-/* method parser#ReduceAction319#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction319__action(val* self, val* p0) {
-parser__ReduceAction319__action(self, p0);
+var54 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction326>*/;
+var_listnode19 = var54;
+var_tkwendnode20 = var_nodearraylist14;
+/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
+cltype56 = type_nullable_parser_nodes__TKwend.color;
+idtype57 = type_nullable_parser_nodes__TKwend.id;
+if(var_tkwendnode20 == NULL) {
+var55 = 1;
+} else {
+if(cltype56 >= var_tkwendnode20->type->table_size) {
+var55 = 0;
+} else {
+var55 = var_tkwendnode20->type->type_table[cltype56] == idtype57;
+}
+}
+if (!var55) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15120);
+show_backtrace(1);
+}
+var58 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var58->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var58, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var58:AStdClassdef>*/;
+var_pclassdefnode1 = var58;
+var_node_list = var_pclassdefnode1;
+var59 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction326> */
+var60 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var59) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var60, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction321#action for (self: ReduceAction321, Parser) */
-void parser__ReduceAction321__action(val* self, val* p0) {
+/* method parser#ReduceAction326#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction326__action(val* self, val* p0) {
+parser__ReduceAction326__action(self, p0);
+RET_LABEL:;
+}
+/* method parser#ReduceAction327#action for (self: ReduceAction327, Parser) */
+void parser__ReduceAction327__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
+val* var_nodearraylist15 /* var nodearraylist15: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
+val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
+val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
+val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var8 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var9 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var10 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var11 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var12 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var13 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var14 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var15 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var13 /* : Array[Object] */;
+val* var16 /* : Array[Object] */;
 val* var_listnode8 /* var listnode8: Array[Object] */;
-val* var14 /* : Array[Object] */;
+val* var17 /* : Array[Object] */;
 val* var_listnode17 /* var listnode17: Array[Object] */;
-val* var15 /* : Array[Object] */;
+val* var18 /* : Array[Object] */;
 val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var16 /* : Bool */;
+short int var19 /* : Bool */;
 int cltype;
 int idtype;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
 short int var20 /* : Bool */;
 int cltype21;
 int idtype22;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
 short int var23 /* : Bool */;
 int cltype24;
 int idtype25;
-val* var_listnode7 /* var listnode7: nullable Object */;
+val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
 short int var26 /* : Bool */;
 int cltype27;
 int idtype28;
-val* var29 /* : Array[Object] */;
-val* var30 /* : Array[Object] */;
+val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
+short int var29 /* : Bool */;
+int cltype30;
+int idtype31;
+val* var_listnode7 /* var listnode7: nullable Object */;
+short int var32 /* : Bool */;
+int cltype33;
+int idtype34;
+val* var35 /* : Array[Object] */;
+val* var36 /* : Array[Object] */;
 val* var_listnode13 /* var listnode13: Array[Object] */;
 val* var_listnode12 /* var listnode12: nullable Object */;
-short int var31 /* : Bool */;
-int cltype32;
-int idtype33;
-val* var34 /* : Array[Object] */;
-val* var35 /* : AAnnotations */;
-val* var36 /* : null */;
-val* var37 /* : null */;
-val* var38 /* : null */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+val* var40 /* : Array[Object] */;
+val* var41 /* : AAnnotations */;
+val* var42 /* : null */;
+val* var43 /* : null */;
+val* var44 /* : null */;
 val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
 val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
-short int var39 /* : Bool */;
-int cltype40;
-int idtype41;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
 val* var_listnode16 /* var listnode16: nullable Object */;
-short int var42 /* : Bool */;
-int cltype43;
-int idtype44;
-val* var45 /* : Array[Object] */;
+short int var48 /* : Bool */;
+int cltype49;
+int idtype50;
+val* var51 /* : Array[Object] */;
 val* var_listnode18 /* var listnode18: nullable Object */;
-short int var46 /* : Bool */;
-int cltype47;
-int idtype48;
-val* var49 /* : Array[Object] */;
+short int var52 /* : Bool */;
+int cltype53;
+int idtype54;
+val* var55 /* : Array[Object] */;
 val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
-short int var50 /* : Bool */;
-int cltype51;
-int idtype52;
-val* var53 /* : AStdClassdef */;
-val* var54 /* : null */;
+short int var56 /* : Bool */;
+int cltype57;
+int idtype58;
+val* var59 /* : AStdClassdef */;
 val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var55 /* : Int */;
-long var56 /* : Int */;
+long var60 /* : Int */;
+long var61 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var1;
+var_nodearraylist15 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var2;
+var_nodearraylist14 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var3;
+var_nodearraylist13 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var4;
+var_nodearraylist12 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var5;
+var_nodearraylist11 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var6;
+var_nodearraylist10 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var7;
+var_nodearraylist9 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var8;
+var_nodearraylist8 = var8;
 var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var9;
+var_nodearraylist7 = var9;
 var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var10;
+var_nodearraylist6 = var10;
 var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var11;
+var_nodearraylist5 = var11;
 var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var12;
-var13 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var13->class->vft[COLOR_array__Array__init]))(var13) /* init on <var13:Array[Object]>*/;
-CHECK_NEW_array__Array(var13);
-var_listnode8 = var13;
-var14 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode17 = var14;
-var15 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode19 = var15;
+var_nodearraylist4 = var12;
+var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var13;
+var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var14;
+var15 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var15;
+var16 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
+var_listnode8 = var16;
+var17 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
+var_listnode17 = var17;
+var18 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var18->class->vft[COLOR_array__Array__init]))(var18) /* init on <var18:Array[Object]>*/;
+var_listnode19 = var18;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var16 = 1;
+var19 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var16 = 0;
-} else {
-var16 = var_pdocnode2->type->type_table[cltype] == idtype;
-}
-}
-if (!var16) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14821);
-exit(1);
-}
-var_pvisibilitynode4 = var_nodearraylist2;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype18 = type_nullable_parser_nodes__AVisibility.color;
-idtype19 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
-var17 = 1;
-} else {
-if(cltype18 >= var_pvisibilitynode4->type->table_size) {
-var17 = 0;
+var19 = 0;
 } else {
-var17 = var_pvisibilitynode4->type->type_table[cltype18] == idtype19;
+var19 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var17) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14823);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15162);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist3;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype21 = type_nullable_parser_nodes__AClasskind.color;
-idtype22 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype21 = type_nullable_parser_nodes__TKwredef.color;
+idtype22 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
 var20 = 1;
 } else {
-if(cltype21 >= var_pclasskindnode5->type->table_size) {
+if(cltype21 >= var_tkwredefnode3->type->table_size) {
 var20 = 0;
 } else {
-var20 = var_pclasskindnode5->type->type_table[cltype21] == idtype22;
+var20 = var_tkwredefnode3->type->type_table[cltype21] == idtype22;
 }
 }
 if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14825);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15164);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist5;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype24 = type_nullable_parser_nodes__TClassid.color;
-idtype25 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
+var_pvisibilitynode4 = var_nodearraylist3;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype24 = type_nullable_parser_nodes__AVisibility.color;
+idtype25 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
 var23 = 1;
 } else {
-if(cltype24 >= var_tclassidnode6->type->table_size) {
+if(cltype24 >= var_pvisibilitynode4->type->table_size) {
 var23 = 0;
 } else {
-var23 = var_tclassidnode6->type->type_table[cltype24] == idtype25;
+var23 = var_pvisibilitynode4->type->type_table[cltype24] == idtype25;
 }
 }
 if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14827);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15166);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist6;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype27 = type_array__Arraykernel__Object.color;
-idtype28 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var26 = 0;
+var_pclasskindnode5 = var_nodearraylist4;
+/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
+cltype27 = type_nullable_parser_nodes__AClasskind.color;
+idtype28 = type_nullable_parser_nodes__AClasskind.id;
+if(var_pclasskindnode5 == NULL) {
+var26 = 1;
 } else {
-if(cltype27 >= var_listnode7->type->table_size) {
+if(cltype27 >= var_pclasskindnode5->type->table_size) {
 var26 = 0;
 } else {
-var26 = var_listnode7->type->type_table[cltype27] == idtype28;
+var26 = var_pclasskindnode5->type->type_table[cltype27] == idtype28;
 }
 }
 if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14829);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15168);
+show_backtrace(1);
 }
-var29 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction321>*/;
-var_listnode8 = var29;
-var30 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var30->class->vft[COLOR_array__Array__init]))(var30) /* init on <var30:Array[Object]>*/;
-CHECK_NEW_array__Array(var30);
-var_listnode13 = var30;
-var_listnode12 = var_nodearraylist7;
+var_tclassidnode6 = var_nodearraylist8;
+/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
+cltype30 = type_nullable_parser_nodes__TClassid.color;
+idtype31 = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode6 == NULL) {
+var29 = 1;
+} else {
+if(cltype30 >= var_tclassidnode6->type->table_size) {
+var29 = 0;
+} else {
+var29 = var_tclassidnode6->type->type_table[cltype30] == idtype31;
+}
+}
+if (!var29) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15170);
+show_backtrace(1);
+}
+var_listnode7 = var_nodearraylist9;
+/* <var_listnode7:nullable Object> isa Array[Object] */
+cltype33 = type_array__Arraykernel__Object.color;
+idtype34 = type_array__Arraykernel__Object.id;
+if(var_listnode7 == NULL) {
+var32 = 0;
+} else {
+if(cltype33 >= var_listnode7->type->table_size) {
+var32 = 0;
+} else {
+var32 = var_listnode7->type->type_table[cltype33] == idtype34;
+}
+}
+if (!var32) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15172);
+show_backtrace(1);
+}
+var35 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction327>*/;
+var_listnode8 = var35;
+var36 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var36->class->vft[COLOR_array__Array__init]))(var36) /* init on <var36:Array[Object]>*/;
+var_listnode13 = var36;
+var_listnode12 = var_nodearraylist10;
 /* <var_listnode12:nullable Object> isa Array[Object] */
-cltype32 = type_array__Arraykernel__Object.color;
-idtype33 = type_array__Arraykernel__Object.id;
+cltype38 = type_array__Arraykernel__Object.color;
+idtype39 = type_array__Arraykernel__Object.id;
 if(var_listnode12 == NULL) {
-var31 = 0;
+var37 = 0;
 } else {
-if(cltype32 >= var_listnode12->type->table_size) {
-var31 = 0;
+if(cltype38 >= var_listnode12->type->table_size) {
+var37 = 0;
 } else {
-var31 = var_listnode12->type->type_table[cltype32] == idtype33;
+var37 = var_listnode12->type->type_table[cltype38] == idtype39;
 }
 }
-if (!var31) {
+if (!var37) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14833);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15176);
+show_backtrace(1);
 }
-var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction321>*/;
-var_listnode13 = var34;
-var35 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var36 = NULL;
-var37 = NULL;
-var38 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var35->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var35, var36, var37, var_listnode13, var38) /* init_aannotations on <var35:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var35);
-var_pannotationsnode9 = var35;
-var_pexterncodeblocknode15 = var_nodearraylist8;
+var40 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction327>*/;
+var_listnode13 = var40;
+var41 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
+var42 = NULL;
+var43 = NULL;
+var44 = NULL;
+((void (*)(val*, val*, val*, val*, val*))(var41->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var41, var42, var43, var_listnode13, var44) /* init_aannotations on <var41:AAnnotations>*/;
+var_pannotationsnode9 = var41;
+var_pexterncodeblocknode15 = var_nodearraylist11;
 /* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
-cltype40 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype41 = type_nullable_parser_nodes__AExternCodeBlock.id;
+cltype46 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype47 = type_nullable_parser_nodes__AExternCodeBlock.id;
 if(var_pexterncodeblocknode15 == NULL) {
-var39 = 1;
+var45 = 1;
 } else {
-if(cltype40 >= var_pexterncodeblocknode15->type->table_size) {
-var39 = 0;
+if(cltype46 >= var_pexterncodeblocknode15->type->table_size) {
+var45 = 0;
 } else {
-var39 = var_pexterncodeblocknode15->type->type_table[cltype40] == idtype41;
+var45 = var_pexterncodeblocknode15->type->type_table[cltype46] == idtype47;
 }
 }
-if (!var39) {
+if (!var45) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14842);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15185);
+show_backtrace(1);
 }
-var_listnode16 = var_nodearraylist9;
+var_listnode16 = var_nodearraylist12;
 /* <var_listnode16:nullable Object> isa Array[Object] */
-cltype43 = type_array__Arraykernel__Object.color;
-idtype44 = type_array__Arraykernel__Object.id;
+cltype49 = type_array__Arraykernel__Object.color;
+idtype50 = type_array__Arraykernel__Object.id;
 if(var_listnode16 == NULL) {
-var42 = 0;
+var48 = 0;
 } else {
-if(cltype43 >= var_listnode16->type->table_size) {
-var42 = 0;
+if(cltype49 >= var_listnode16->type->table_size) {
+var48 = 0;
 } else {
-var42 = var_listnode16->type->type_table[cltype43] == idtype44;
+var48 = var_listnode16->type->type_table[cltype49] == idtype50;
 }
 }
-if (!var42) {
+if (!var48) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14844);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15187);
+show_backtrace(1);
 }
-var45 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction321>*/;
-var_listnode17 = var45;
-var_listnode18 = var_nodearraylist10;
+var51 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction327>*/;
+var_listnode17 = var51;
+var_listnode18 = var_nodearraylist13;
 /* <var_listnode18:nullable Object> isa Array[Object] */
-cltype47 = type_array__Arraykernel__Object.color;
-idtype48 = type_array__Arraykernel__Object.id;
+cltype53 = type_array__Arraykernel__Object.color;
+idtype54 = type_array__Arraykernel__Object.id;
 if(var_listnode18 == NULL) {
-var46 = 0;
+var52 = 0;
 } else {
-if(cltype47 >= var_listnode18->type->table_size) {
-var46 = 0;
+if(cltype53 >= var_listnode18->type->table_size) {
+var52 = 0;
 } else {
-var46 = var_listnode18->type->type_table[cltype47] == idtype48;
+var52 = var_listnode18->type->type_table[cltype53] == idtype54;
 }
 }
-if (!var46) {
+if (!var52) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14847);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15190);
+show_backtrace(1);
 }
-var49 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction321>*/;
-var_listnode19 = var49;
-var_tkwendnode20 = var_nodearraylist12;
+var55 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction327>*/;
+var_listnode19 = var55;
+var_tkwendnode20 = var_nodearraylist15;
 /* <var_tkwendnode20:nullable Object> isa nullable TKwend */
-cltype51 = type_nullable_parser_nodes__TKwend.color;
-idtype52 = type_nullable_parser_nodes__TKwend.id;
+cltype57 = type_nullable_parser_nodes__TKwend.color;
+idtype58 = type_nullable_parser_nodes__TKwend.id;
 if(var_tkwendnode20 == NULL) {
-var50 = 1;
+var56 = 1;
 } else {
-if(cltype51 >= var_tkwendnode20->type->table_size) {
-var50 = 0;
+if(cltype57 >= var_tkwendnode20->type->table_size) {
+var56 = 0;
 } else {
-var50 = var_tkwendnode20->type->type_table[cltype51] == idtype52;
+var56 = var_tkwendnode20->type->type_table[cltype57] == idtype58;
 }
 }
-if (!var50) {
+if (!var56) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14850);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15193);
+show_backtrace(1);
 }
-var53 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var54 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var53->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var53, var_pdocnode2, var54, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var53:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var53);
-var_pclassdefnode1 = var53;
+var59 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var59->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var59, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var59:AStdClassdef>*/;
+var_pclassdefnode1 = var59;
 var_node_list = var_pclassdefnode1;
-var55 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction321> */
-var56 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var55) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var56, var_node_list) /* push on <var_p:Parser>*/;
+var60 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction327> */
+var61 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var60) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var61, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction321#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction321__action(val* self, val* p0) {
-parser__ReduceAction321__action(self, p0);
+/* method parser#ReduceAction327#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction327__action(val* self, val* p0) {
+parser__ReduceAction327__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction322#action for (self: ReduceAction322, Parser) */
-void parser__ReduceAction322__action(val* self, val* p0) {
+/* method parser#ReduceAction329#action for (self: ReduceAction329, Parser) */
+void parser__ReduceAction329__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var4 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var5 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var6 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var7 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var8 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var9 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var10 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var11 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var12 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var13 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var14 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
-val* var15 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: Array[Object] */;
-val* var16 /* : Array[Object] */;
-val* var_listnode19 /* var listnode19: Array[Object] */;
-val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var17 /* : Bool */;
+val* var_tkwclassnode2 /* var tkwclassnode2: nullable Object */;
+short int var2 /* : Bool */;
 int cltype;
 int idtype;
-val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-val* var_listnode7 /* var listnode7: nullable Object */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-val* var33 /* : Array[Object] */;
-val* var34 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: Array[Object] */;
-val* var_listnode12 /* var listnode12: nullable Object */;
-short int var35 /* : Bool */;
-int cltype36;
-int idtype37;
-val* var38 /* : Array[Object] */;
-val* var39 /* : AAnnotations */;
-val* var40 /* : null */;
-val* var41 /* : null */;
-val* var42 /* : null */;
-val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
-val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
-short int var43 /* : Bool */;
-int cltype44;
-int idtype45;
-val* var_listnode16 /* var listnode16: nullable Object */;
-short int var46 /* : Bool */;
-int cltype47;
-int idtype48;
-val* var49 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: nullable Object */;
-short int var50 /* : Bool */;
-int cltype51;
-int idtype52;
-val* var53 /* : Array[Object] */;
-val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
-short int var54 /* : Bool */;
-int cltype55;
-int idtype56;
-val* var57 /* : AStdClassdef */;
-val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var58 /* : Int */;
-long var59 /* : Int */;
+val* var3 /* : AConcreteClasskind */;
+val* var_pclasskindnode1 /* var pclasskindnode1: nullable AConcreteClasskind */;
+long var4 /* : Int */;
+long var5 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var2;
-var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var3;
-var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var4;
-var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var5;
-var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var6;
-var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var9;
-var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var10;
-var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var11;
-var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var12;
-var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var13;
-var14 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode8 = var14;
-var15 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode17 = var15;
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode19 = var16;
-var_pdocnode2 = var_nodearraylist1;
-/* <var_pdocnode2:nullable Object> isa nullable ADoc */
-cltype = type_nullable_parser_nodes__ADoc.color;
-idtype = type_nullable_parser_nodes__ADoc.id;
-if(var_pdocnode2 == NULL) {
-var17 = 1;
+var_nodearraylist1 = var1;
+var_tkwclassnode2 = var_nodearraylist1;
+/* <var_tkwclassnode2:nullable Object> isa nullable TKwclass */
+cltype = type_nullable_parser_nodes__TKwclass.color;
+idtype = type_nullable_parser_nodes__TKwclass.id;
+if(var_tkwclassnode2 == NULL) {
+var2 = 1;
 } else {
-if(cltype >= var_pdocnode2->type->table_size) {
-var17 = 0;
+if(cltype >= var_tkwclassnode2->type->table_size) {
+var2 = 0;
 } else {
-var17 = var_pdocnode2->type->type_table[cltype] == idtype;
+var2 = var_tkwclassnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var17) {
+if (!var2) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14890);
-exit(1);
-}
-var_tkwredefnode3 = var_nodearraylist2;
-/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype19 = type_nullable_parser_nodes__TKwredef.color;
-idtype20 = type_nullable_parser_nodes__TKwredef.id;
-if(var_tkwredefnode3 == NULL) {
-var18 = 1;
-} else {
-if(cltype19 >= var_tkwredefnode3->type->table_size) {
-var18 = 0;
-} else {
-var18 = var_tkwredefnode3->type->type_table[cltype19] == idtype20;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15218);
+show_backtrace(1);
 }
+var3 = NEW_parser_nodes__AConcreteClasskind(&type_parser_nodes__AConcreteClasskind);
+((void (*)(val*, val*))(var3->class->vft[COLOR_parser_prod__AConcreteClasskind__init_aconcreteclasskind]))(var3, var_tkwclassnode2) /* init_aconcreteclasskind on <var3:AConcreteClasskind>*/;
+var_pclasskindnode1 = var3;
+var_node_list = var_pclasskindnode1;
+var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction329> */
+var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var18) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14892);
-exit(1);
+/* method parser#ReduceAction329#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction329__action(val* self, val* p0) {
+parser__ReduceAction329__action(self, p0);
+RET_LABEL:;
 }
-var_pvisibilitynode4 = var_nodearraylist3;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype22 = type_nullable_parser_nodes__AVisibility.color;
-idtype23 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
-var21 = 1;
+/* method parser#ReduceAction330#action for (self: ReduceAction330, Parser) */
+void parser__ReduceAction330__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwabstractnode2 /* var tkwabstractnode2: nullable Object */;
+short int var3 /* : Bool */;
+int cltype;
+int idtype;
+val* var_tkwclassnode3 /* var tkwclassnode3: nullable Object */;
+short int var4 /* : Bool */;
+int cltype5;
+int idtype6;
+val* var7 /* : AAbstractClasskind */;
+val* var_pclasskindnode1 /* var pclasskindnode1: nullable AAbstractClasskind */;
+long var8 /* : Int */;
+long var9 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var2;
+var_tkwabstractnode2 = var_nodearraylist1;
+/* <var_tkwabstractnode2:nullable Object> isa nullable TKwabstract */
+cltype = type_nullable_parser_nodes__TKwabstract.color;
+idtype = type_nullable_parser_nodes__TKwabstract.id;
+if(var_tkwabstractnode2 == NULL) {
+var3 = 1;
 } else {
-if(cltype22 >= var_pvisibilitynode4->type->table_size) {
-var21 = 0;
+if(cltype >= var_tkwabstractnode2->type->table_size) {
+var3 = 0;
 } else {
-var21 = var_pvisibilitynode4->type->type_table[cltype22] == idtype23;
+var3 = var_tkwabstractnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var21) {
+if (!var3) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14894);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15234);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist4;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype25 = type_nullable_parser_nodes__AClasskind.color;
-idtype26 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
-var24 = 1;
+var_tkwclassnode3 = var_nodearraylist2;
+/* <var_tkwclassnode3:nullable Object> isa nullable TKwclass */
+cltype5 = type_nullable_parser_nodes__TKwclass.color;
+idtype6 = type_nullable_parser_nodes__TKwclass.id;
+if(var_tkwclassnode3 == NULL) {
+var4 = 1;
 } else {
-if(cltype25 >= var_pclasskindnode5->type->table_size) {
-var24 = 0;
+if(cltype5 >= var_tkwclassnode3->type->table_size) {
+var4 = 0;
 } else {
-var24 = var_pclasskindnode5->type->type_table[cltype25] == idtype26;
+var4 = var_tkwclassnode3->type->type_table[cltype5] == idtype6;
 }
 }
-if (!var24) {
+if (!var4) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14896);
-exit(1);
-}
-var_tclassidnode6 = var_nodearraylist6;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype28 = type_nullable_parser_nodes__TClassid.color;
-idtype29 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
-var27 = 1;
-} else {
-if(cltype28 >= var_tclassidnode6->type->table_size) {
-var27 = 0;
-} else {
-var27 = var_tclassidnode6->type->type_table[cltype28] == idtype29;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15236);
+show_backtrace(1);
 }
+var7 = NEW_parser_nodes__AAbstractClasskind(&type_parser_nodes__AAbstractClasskind);
+((void (*)(val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AAbstractClasskind__init_aabstractclasskind]))(var7, var_tkwabstractnode2, var_tkwclassnode3) /* init_aabstractclasskind on <var7:AAbstractClasskind>*/;
+var_pclasskindnode1 = var7;
+var_node_list = var_pclasskindnode1;
+var8 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction330> */
+var9 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var8) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var9, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var27) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14898);
-exit(1);
+/* method parser#ReduceAction330#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction330__action(val* self, val* p0) {
+parser__ReduceAction330__action(self, p0);
+RET_LABEL:;
 }
-var_listnode7 = var_nodearraylist7;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype31 = type_array__Arraykernel__Object.color;
-idtype32 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var30 = 0;
+/* method parser#ReduceAction331#action for (self: ReduceAction331, Parser) */
+void parser__ReduceAction331__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwinterfacenode2 /* var tkwinterfacenode2: nullable Object */;
+short int var2 /* : Bool */;
+int cltype;
+int idtype;
+val* var3 /* : AInterfaceClasskind */;
+val* var_pclasskindnode1 /* var pclasskindnode1: nullable AInterfaceClasskind */;
+long var4 /* : Int */;
+long var5 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var1;
+var_tkwinterfacenode2 = var_nodearraylist1;
+/* <var_tkwinterfacenode2:nullable Object> isa nullable TKwinterface */
+cltype = type_nullable_parser_nodes__TKwinterface.color;
+idtype = type_nullable_parser_nodes__TKwinterface.id;
+if(var_tkwinterfacenode2 == NULL) {
+var2 = 1;
 } else {
-if(cltype31 >= var_listnode7->type->table_size) {
-var30 = 0;
+if(cltype >= var_tkwinterfacenode2->type->table_size) {
+var2 = 0;
 } else {
-var30 = var_listnode7->type->type_table[cltype31] == idtype32;
+var2 = var_tkwinterfacenode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var30) {
+if (!var2) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14900);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15252);
+show_backtrace(1);
 }
-var33 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction322>*/;
-var_listnode8 = var33;
-var34 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var34->class->vft[COLOR_array__Array__init]))(var34) /* init on <var34:Array[Object]>*/;
-CHECK_NEW_array__Array(var34);
-var_listnode13 = var34;
-var_listnode12 = var_nodearraylist8;
-/* <var_listnode12:nullable Object> isa Array[Object] */
-cltype36 = type_array__Arraykernel__Object.color;
-idtype37 = type_array__Arraykernel__Object.id;
-if(var_listnode12 == NULL) {
-var35 = 0;
-} else {
-if(cltype36 >= var_listnode12->type->table_size) {
-var35 = 0;
-} else {
-var35 = var_listnode12->type->type_table[cltype36] == idtype37;
+var3 = NEW_parser_nodes__AInterfaceClasskind(&type_parser_nodes__AInterfaceClasskind);
+((void (*)(val*, val*))(var3->class->vft[COLOR_parser_prod__AInterfaceClasskind__init_ainterfaceclasskind]))(var3, var_tkwinterfacenode2) /* init_ainterfaceclasskind on <var3:AInterfaceClasskind>*/;
+var_pclasskindnode1 = var3;
+var_node_list = var_pclasskindnode1;
+var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction331> */
+var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
+/* method parser#ReduceAction331#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction331__action(val* self, val* p0) {
+parser__ReduceAction331__action(self, p0);
+RET_LABEL:;
 }
-if (!var35) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14904);
-exit(1);
-}
-var38 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction322>*/;
-var_listnode13 = var38;
-var39 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var40 = NULL;
-var41 = NULL;
-var42 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var39->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var39, var40, var41, var_listnode13, var42) /* init_aannotations on <var39:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var39);
-var_pannotationsnode9 = var39;
-var_pexterncodeblocknode15 = var_nodearraylist9;
-/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
-cltype44 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype45 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode15 == NULL) {
-var43 = 1;
+/* method parser#ReduceAction332#action for (self: ReduceAction332, Parser) */
+void parser__ReduceAction332__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwenumnode2 /* var tkwenumnode2: nullable Object */;
+short int var2 /* : Bool */;
+int cltype;
+int idtype;
+val* var3 /* : AEnumClasskind */;
+val* var_pclasskindnode1 /* var pclasskindnode1: nullable AEnumClasskind */;
+long var4 /* : Int */;
+long var5 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var1;
+var_tkwenumnode2 = var_nodearraylist1;
+/* <var_tkwenumnode2:nullable Object> isa nullable TKwenum */
+cltype = type_nullable_parser_nodes__TKwenum.color;
+idtype = type_nullable_parser_nodes__TKwenum.id;
+if(var_tkwenumnode2 == NULL) {
+var2 = 1;
 } else {
-if(cltype44 >= var_pexterncodeblocknode15->type->table_size) {
-var43 = 0;
+if(cltype >= var_tkwenumnode2->type->table_size) {
+var2 = 0;
 } else {
-var43 = var_pexterncodeblocknode15->type->type_table[cltype44] == idtype45;
+var2 = var_tkwenumnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var43) {
+if (!var2) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14913);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15267);
+show_backtrace(1);
 }
-var_listnode16 = var_nodearraylist10;
-/* <var_listnode16:nullable Object> isa Array[Object] */
-cltype47 = type_array__Arraykernel__Object.color;
-idtype48 = type_array__Arraykernel__Object.id;
-if(var_listnode16 == NULL) {
-var46 = 0;
+var3 = NEW_parser_nodes__AEnumClasskind(&type_parser_nodes__AEnumClasskind);
+((void (*)(val*, val*))(var3->class->vft[COLOR_parser_prod__AEnumClasskind__init_aenumclasskind]))(var3, var_tkwenumnode2) /* init_aenumclasskind on <var3:AEnumClasskind>*/;
+var_pclasskindnode1 = var3;
+var_node_list = var_pclasskindnode1;
+var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction332> */
+var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
+}
+/* method parser#ReduceAction332#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction332__action(val* self, val* p0) {
+parser__ReduceAction332__action(self, p0);
+RET_LABEL:;
+}
+/* method parser#ReduceAction333#action for (self: ReduceAction333, Parser) */
+void parser__ReduceAction333__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwexternnode2 /* var tkwexternnode2: nullable Object */;
+short int var2 /* : Bool */;
+int cltype;
+int idtype;
+val* var3 /* : AExternClasskind */;
+val* var4 /* : null */;
+val* var_pclasskindnode1 /* var pclasskindnode1: nullable AExternClasskind */;
+long var5 /* : Int */;
+long var6 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var1;
+var_tkwexternnode2 = var_nodearraylist1;
+/* <var_tkwexternnode2:nullable Object> isa nullable TKwextern */
+cltype = type_nullable_parser_nodes__TKwextern.color;
+idtype = type_nullable_parser_nodes__TKwextern.id;
+if(var_tkwexternnode2 == NULL) {
+var2 = 1;
 } else {
-if(cltype47 >= var_listnode16->type->table_size) {
-var46 = 0;
+if(cltype >= var_tkwexternnode2->type->table_size) {
+var2 = 0;
 } else {
-var46 = var_listnode16->type->type_table[cltype47] == idtype48;
+var2 = var_tkwexternnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var46) {
+if (!var2) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14915);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15282);
+show_backtrace(1);
 }
-var49 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction322>*/;
-var_listnode17 = var49;
-var_listnode18 = var_nodearraylist11;
-/* <var_listnode18:nullable Object> isa Array[Object] */
-cltype51 = type_array__Arraykernel__Object.color;
-idtype52 = type_array__Arraykernel__Object.id;
-if(var_listnode18 == NULL) {
-var50 = 0;
+var3 = NEW_parser_nodes__AExternClasskind(&type_parser_nodes__AExternClasskind);
+var4 = NULL;
+((void (*)(val*, val*, val*))(var3->class->vft[COLOR_parser_prod__AExternClasskind__init_aexternclasskind]))(var3, var_tkwexternnode2, var4) /* init_aexternclasskind on <var3:AExternClasskind>*/;
+var_pclasskindnode1 = var3;
+var_node_list = var_pclasskindnode1;
+var5 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction333> */
+var6 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var5) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var6, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
+}
+/* method parser#ReduceAction333#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction333__action(val* self, val* p0) {
+parser__ReduceAction333__action(self, p0);
+RET_LABEL:;
+}
+/* method parser#ReduceAction334#action for (self: ReduceAction334, Parser) */
+void parser__ReduceAction334__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwexternnode2 /* var tkwexternnode2: nullable Object */;
+short int var3 /* : Bool */;
+int cltype;
+int idtype;
+val* var_tkwclassnode3 /* var tkwclassnode3: nullable Object */;
+short int var4 /* : Bool */;
+int cltype5;
+int idtype6;
+val* var7 /* : AExternClasskind */;
+val* var_pclasskindnode1 /* var pclasskindnode1: nullable AExternClasskind */;
+long var8 /* : Int */;
+long var9 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var2;
+var_tkwexternnode2 = var_nodearraylist1;
+/* <var_tkwexternnode2:nullable Object> isa nullable TKwextern */
+cltype = type_nullable_parser_nodes__TKwextern.color;
+idtype = type_nullable_parser_nodes__TKwextern.id;
+if(var_tkwexternnode2 == NULL) {
+var3 = 1;
 } else {
-if(cltype51 >= var_listnode18->type->table_size) {
-var50 = 0;
+if(cltype >= var_tkwexternnode2->type->table_size) {
+var3 = 0;
 } else {
-var50 = var_listnode18->type->type_table[cltype51] == idtype52;
+var3 = var_tkwexternnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var50) {
+if (!var3) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14918);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15299);
+show_backtrace(1);
 }
-var53 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction322>*/;
-var_listnode19 = var53;
-var_tkwendnode20 = var_nodearraylist13;
-/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
-cltype55 = type_nullable_parser_nodes__TKwend.color;
-idtype56 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode20 == NULL) {
-var54 = 1;
+var_tkwclassnode3 = var_nodearraylist2;
+/* <var_tkwclassnode3:nullable Object> isa nullable TKwclass */
+cltype5 = type_nullable_parser_nodes__TKwclass.color;
+idtype6 = type_nullable_parser_nodes__TKwclass.id;
+if(var_tkwclassnode3 == NULL) {
+var4 = 1;
 } else {
-if(cltype55 >= var_tkwendnode20->type->table_size) {
-var54 = 0;
+if(cltype5 >= var_tkwclassnode3->type->table_size) {
+var4 = 0;
 } else {
-var54 = var_tkwendnode20->type->type_table[cltype55] == idtype56;
+var4 = var_tkwclassnode3->type->type_table[cltype5] == idtype6;
 }
 }
-if (!var54) {
+if (!var4) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14921);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15301);
+show_backtrace(1);
 }
-var57 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var57->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var57, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var57:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var57);
-var_pclassdefnode1 = var57;
-var_node_list = var_pclassdefnode1;
-var58 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction322> */
-var59 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var58) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var59, var_node_list) /* push on <var_p:Parser>*/;
+var7 = NEW_parser_nodes__AExternClasskind(&type_parser_nodes__AExternClasskind);
+((void (*)(val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AExternClasskind__init_aexternclasskind]))(var7, var_tkwexternnode2, var_tkwclassnode3) /* init_aexternclasskind on <var7:AExternClasskind>*/;
+var_pclasskindnode1 = var7;
+var_node_list = var_pclasskindnode1;
+var8 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction334> */
+var9 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var8) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var9, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction322#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction322__action(val* self, val* p0) {
-parser__ReduceAction322__action(self, p0);
+/* method parser#ReduceAction334#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction334__action(val* self, val* p0) {
+parser__ReduceAction334__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction323#action for (self: ReduceAction323, Parser) */
-void parser__ReduceAction323__action(val* self, val* p0) {
+/* method parser#ReduceAction335#action for (self: ReduceAction335, Parser) */
+void parser__ReduceAction335__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var4 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var5 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var6 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var7 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var8 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var9 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var10 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var11 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var12 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var13 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var14 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
-val* var15 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: Array[Object] */;
-val* var16 /* : Array[Object] */;
-val* var_listnode19 /* var listnode19: Array[Object] */;
-val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var17 /* : Bool */;
-int cltype;
-int idtype;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-val* var_listnode7 /* var listnode7: nullable Object */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-val* var30 /* : Array[Object] */;
-val* var31 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: Array[Object] */;
-val* var_listnode12 /* var listnode12: nullable Object */;
-short int var32 /* : Bool */;
-int cltype33;
-int idtype34;
-val* var35 /* : Array[Object] */;
-val* var36 /* : AAnnotations */;
-val* var37 /* : null */;
-val* var38 /* : null */;
-val* var39 /* : null */;
-val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
-val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
-short int var40 /* : Bool */;
-int cltype41;
-int idtype42;
-val* var_listnode16 /* var listnode16: nullable Object */;
-short int var43 /* : Bool */;
-int cltype44;
-int idtype45;
-val* var46 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: nullable Object */;
-short int var47 /* : Bool */;
-int cltype48;
-int idtype49;
-val* var50 /* : Array[Object] */;
-val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
-short int var51 /* : Bool */;
-int cltype52;
-int idtype53;
-val* var54 /* : AStdClassdef */;
-val* var55 /* : null */;
-val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var56 /* : Int */;
-long var57 /* : Int */;
+val* var6 /* : Array[Object] */;
+val* var_listnode2 /* var listnode2: Array[Object] */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable Object */;
+val* var7 /* : null */;
+short int var8 /* : Bool */;
+long var9 /* : Int */;
+long var10 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var1;
+var_nodearraylist5 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var2;
+var_nodearraylist4 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var3;
+var_nodearraylist3 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var4;
+var_nodearraylist2 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var5;
-var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var6;
-var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var9;
-var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var10;
-var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var11;
-var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var12;
-var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var13;
-var14 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var14->class->vft[COLOR_array__Array__init]))(var14) /* init on <var14:Array[Object]>*/;
-CHECK_NEW_array__Array(var14);
-var_listnode8 = var14;
-var15 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode17 = var15;
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode19 = var16;
-var_pdocnode2 = var_nodearraylist1;
-/* <var_pdocnode2:nullable Object> isa nullable ADoc */
-cltype = type_nullable_parser_nodes__ADoc.color;
-idtype = type_nullable_parser_nodes__ADoc.id;
-if(var_pdocnode2 == NULL) {
-var17 = 1;
-} else {
-if(cltype >= var_pdocnode2->type->table_size) {
-var17 = 0;
+var_nodearraylist1 = var5;
+var6 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var6->class->vft[COLOR_array__Array__init]))(var6) /* init on <var6:Array[Object]>*/;
+var_listnode2 = var6;
+var_pformaldefnode1 = var_nodearraylist3;
+var7 = NULL;
+if (var_pformaldefnode1 == NULL) {
+var8 = 0; /* is null */
 } else {
-var17 = var_pdocnode2->type->type_table[cltype] == idtype;
-}
-}
-if (!var17) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14961);
-exit(1);
+var8 = 1; /* arg is null and recv is not */
 }
-var_pvisibilitynode4 = var_nodearraylist2;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype19 = type_nullable_parser_nodes__AVisibility.color;
-idtype20 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
-var18 = 1;
-} else {
-if(cltype19 >= var_pvisibilitynode4->type->table_size) {
-var18 = 0;
+if (var8){
+((void (*)(val*, val*))(var_listnode2->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_listnode2, var_pformaldefnode1) /* add on <var_listnode2:Array[Object]>*/;
 } else {
-var18 = var_pvisibilitynode4->type->type_table[cltype19] == idtype20;
 }
+var_node_list = var_listnode2;
+var9 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction335> */
+var10 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var9) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var10, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var18) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14963);
-exit(1);
+/* method parser#ReduceAction335#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction335__action(val* self, val* p0) {
+parser__ReduceAction335__action(self, p0);
+RET_LABEL:;
 }
-var_pclasskindnode5 = var_nodearraylist3;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype22 = type_nullable_parser_nodes__AClasskind.color;
-idtype23 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
-var21 = 1;
+/* method parser#ReduceAction336#action for (self: ReduceAction336, Parser) */
+void parser__ReduceAction336__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var7 /* : Array[Object] */;
+val* var_listnode3 /* var listnode3: Array[Object] */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable Object */;
+val* var_listnode2 /* var listnode2: nullable Object */;
+short int var8 /* : Bool */;
+int cltype;
+int idtype;
+val* var9 /* : null */;
+short int var10 /* : Bool */;
+val* var11 /* : Array[Object] */;
+long var12 /* : Int */;
+long var13 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist6 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist5 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var3;
+var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var4;
+var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var5;
+var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var6;
+var7 = NEW_array__Array(&type_array__Arraykernel__Object);
+((void (*)(val*))(var7->class->vft[COLOR_array__Array__init]))(var7) /* init on <var7:Array[Object]>*/;
+var_listnode3 = var7;
+var_pformaldefnode1 = var_nodearraylist3;
+var_listnode2 = var_nodearraylist4;
+/* <var_listnode2:nullable Object> isa Array[Object] */
+cltype = type_array__Arraykernel__Object.color;
+idtype = type_array__Arraykernel__Object.id;
+if(var_listnode2 == NULL) {
+var8 = 0;
 } else {
-if(cltype22 >= var_pclasskindnode5->type->table_size) {
-var21 = 0;
+if(cltype >= var_listnode2->type->table_size) {
+var8 = 0;
 } else {
-var21 = var_pclasskindnode5->type->type_table[cltype22] == idtype23;
+var8 = var_listnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var21) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14965);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15343);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist6;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype25 = type_nullable_parser_nodes__TClassid.color;
-idtype26 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
-var24 = 1;
-} else {
-if(cltype25 >= var_tclassidnode6->type->table_size) {
-var24 = 0;
+var9 = NULL;
+if (var_pformaldefnode1 == NULL) {
+var10 = 0; /* is null */
 } else {
-var24 = var_tclassidnode6->type->type_table[cltype25] == idtype26;
-}
-}
-if (!var24) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14967);
-exit(1);
+var10 = 1; /* arg is null and recv is not */
 }
-var_listnode7 = var_nodearraylist7;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype28 = type_array__Arraykernel__Object.color;
-idtype29 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var27 = 0;
-} else {
-if(cltype28 >= var_listnode7->type->table_size) {
-var27 = 0;
+if (var10){
+((void (*)(val*, val*))(var_listnode3->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_listnode3, var_pformaldefnode1) /* add on <var_listnode3:Array[Object]>*/;
 } else {
-var27 = var_listnode7->type->type_table[cltype28] == idtype29;
-}
 }
-if (!var27) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14969);
-exit(1);
+var11 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode3, var_listnode2) /* concat on <self:ReduceAction336>*/;
+var_listnode3 = var11;
+var_node_list = var_listnode3;
+var12 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction336> */
+var13 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var12) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var13, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-var30 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction323>*/;
-var_listnode8 = var30;
-var31 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var31->class->vft[COLOR_array__Array__init]))(var31) /* init on <var31:Array[Object]>*/;
-CHECK_NEW_array__Array(var31);
-var_listnode13 = var31;
-var_listnode12 = var_nodearraylist8;
-/* <var_listnode12:nullable Object> isa Array[Object] */
-cltype33 = type_array__Arraykernel__Object.color;
-idtype34 = type_array__Arraykernel__Object.id;
-if(var_listnode12 == NULL) {
-var32 = 0;
-} else {
-if(cltype33 >= var_listnode12->type->table_size) {
-var32 = 0;
-} else {
-var32 = var_listnode12->type->type_table[cltype33] == idtype34;
+/* method parser#ReduceAction336#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction336__action(val* self, val* p0) {
+parser__ReduceAction336__action(self, p0);
+RET_LABEL:;
 }
+/* method parser#ReduceAction337#action for (self: ReduceAction337, Parser) */
+void parser__ReduceAction337__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable Object */;
+long var4 /* : Int */;
+long var5 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var3;
+var_pformaldefnode1 = var_nodearraylist3;
+var_node_list = var_pformaldefnode1;
+var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction337> */
+var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var32) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14973);
-exit(1);
+/* method parser#ReduceAction337#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction337__action(val* self, val* p0) {
+parser__ReduceAction337__action(self, p0);
+RET_LABEL:;
 }
-var35 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction323>*/;
-var_listnode13 = var35;
-var36 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var37 = NULL;
-var38 = NULL;
-var39 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var36->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var36, var37, var38, var_listnode13, var39) /* init_aannotations on <var36:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var36);
-var_pannotationsnode9 = var36;
-var_pexterncodeblocknode15 = var_nodearraylist9;
-/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
-cltype41 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype42 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode15 == NULL) {
-var40 = 1;
+/* method parser#ReduceAction338#action for (self: ReduceAction338, Parser) */
+void parser__ReduceAction338__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
+short int var2 /* : Bool */;
+int cltype;
+int idtype;
+val* var3 /* : AFormaldef */;
+val* var4 /* : null */;
+val* var5 /* : null */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
+long var6 /* : Int */;
+long var7 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var1;
+var_tclassidnode2 = var_nodearraylist1;
+/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
+cltype = type_nullable_parser_nodes__TClassid.color;
+idtype = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode2 == NULL) {
+var2 = 1;
 } else {
-if(cltype41 >= var_pexterncodeblocknode15->type->table_size) {
-var40 = 0;
+if(cltype >= var_tclassidnode2->type->table_size) {
+var2 = 0;
 } else {
-var40 = var_pexterncodeblocknode15->type->type_table[cltype41] == idtype42;
+var2 = var_tclassidnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var40) {
+if (!var2) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14982);
-exit(1);
-}
-var_listnode16 = var_nodearraylist10;
-/* <var_listnode16:nullable Object> isa Array[Object] */
-cltype44 = type_array__Arraykernel__Object.color;
-idtype45 = type_array__Arraykernel__Object.id;
-if(var_listnode16 == NULL) {
-var43 = 0;
-} else {
-if(cltype44 >= var_listnode16->type->table_size) {
-var43 = 0;
-} else {
-var43 = var_listnode16->type->type_table[cltype44] == idtype45;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15372);
+show_backtrace(1);
 }
+var3 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
+var4 = NULL;
+var5 = NULL;
+((void (*)(val*, val*, val*, val*))(var3->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var3, var_tclassidnode2, var4, var5) /* init_aformaldef on <var3:AFormaldef>*/;
+var_pformaldefnode1 = var3;
+var_node_list = var_pformaldefnode1;
+var6 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction338> */
+var7 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var6) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var7, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var43) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14984);
-exit(1);
+/* method parser#ReduceAction338#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction338__action(val* self, val* p0) {
+parser__ReduceAction338__action(self, p0);
+RET_LABEL:;
 }
-var46 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction323>*/;
-var_listnode17 = var46;
-var_listnode18 = var_nodearraylist11;
-/* <var_listnode18:nullable Object> isa Array[Object] */
-cltype48 = type_array__Arraykernel__Object.color;
-idtype49 = type_array__Arraykernel__Object.id;
-if(var_listnode18 == NULL) {
-var47 = 0;
+/* method parser#ReduceAction339#action for (self: ReduceAction339, Parser) */
+void parser__ReduceAction339__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
+short int var3 /* : Bool */;
+int cltype;
+int idtype;
+val* var_pannotationsnode4 /* var pannotationsnode4: nullable Object */;
+short int var4 /* : Bool */;
+int cltype5;
+int idtype6;
+val* var7 /* : AFormaldef */;
+val* var8 /* : null */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
+long var9 /* : Int */;
+long var10 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var2;
+var_tclassidnode2 = var_nodearraylist1;
+/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
+cltype = type_nullable_parser_nodes__TClassid.color;
+idtype = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode2 == NULL) {
+var3 = 1;
 } else {
-if(cltype48 >= var_listnode18->type->table_size) {
-var47 = 0;
+if(cltype >= var_tclassidnode2->type->table_size) {
+var3 = 0;
 } else {
-var47 = var_listnode18->type->type_table[cltype48] == idtype49;
+var3 = var_tclassidnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var47) {
+if (!var3) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14987);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15390);
+show_backtrace(1);
 }
-var50 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction323>*/;
-var_listnode19 = var50;
-var_tkwendnode20 = var_nodearraylist13;
-/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
-cltype52 = type_nullable_parser_nodes__TKwend.color;
-idtype53 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode20 == NULL) {
-var51 = 1;
+var_pannotationsnode4 = var_nodearraylist2;
+/* <var_pannotationsnode4:nullable Object> isa nullable AAnnotations */
+cltype5 = type_nullable_parser_nodes__AAnnotations.color;
+idtype6 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode4 == NULL) {
+var4 = 1;
 } else {
-if(cltype52 >= var_tkwendnode20->type->table_size) {
-var51 = 0;
+if(cltype5 >= var_pannotationsnode4->type->table_size) {
+var4 = 0;
 } else {
-var51 = var_tkwendnode20->type->type_table[cltype52] == idtype53;
+var4 = var_pannotationsnode4->type->type_table[cltype5] == idtype6;
 }
 }
-if (!var51) {
+if (!var4) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 14990);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15392);
+show_backtrace(1);
 }
-var54 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var55 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var54->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var54, var_pdocnode2, var55, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var54:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var54);
-var_pclassdefnode1 = var54;
-var_node_list = var_pclassdefnode1;
-var56 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction323> */
-var57 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var56) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var57, var_node_list) /* push on <var_p:Parser>*/;
+var7 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
+var8 = NULL;
+((void (*)(val*, val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var7, var_tclassidnode2, var8, var_pannotationsnode4) /* init_aformaldef on <var7:AFormaldef>*/;
+var_pformaldefnode1 = var7;
+var_node_list = var_pformaldefnode1;
+var9 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction339> */
+var10 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var9) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var10, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction323#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction323__action(val* self, val* p0) {
-parser__ReduceAction323__action(self, p0);
+/* method parser#ReduceAction339#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction339__action(val* self, val* p0) {
+parser__ReduceAction339__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction324#action for (self: ReduceAction324, Parser) */
-void parser__ReduceAction324__action(val* self, val* p0) {
+/* method parser#ReduceAction340#action for (self: ReduceAction340, Parser) */
+void parser__ReduceAction340__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var4 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var5 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var6 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var7 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var8 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var9 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var10 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var11 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var12 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var13 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var14 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var15 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
-val* var16 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: Array[Object] */;
-val* var17 /* : Array[Object] */;
-val* var_listnode19 /* var listnode19: Array[Object] */;
-val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var18 /* : Bool */;
+val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
+short int var3 /* : Bool */;
 int cltype;
 int idtype;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-val* var_listnode7 /* var listnode7: nullable Object */;
-short int var28 /* : Bool */;
-int cltype29;
-int idtype30;
-val* var31 /* : Array[Object] */;
-val* var32 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: Array[Object] */;
-val* var_listnode12 /* var listnode12: nullable Object */;
-short int var33 /* : Bool */;
-int cltype34;
-int idtype35;
-val* var36 /* : Array[Object] */;
-val* var37 /* : AAnnotations */;
-val* var38 /* : null */;
-val* var39 /* : null */;
-val* var40 /* : null */;
-val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
-val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
-short int var41 /* : Bool */;
-int cltype42;
-int idtype43;
-val* var_listnode16 /* var listnode16: nullable Object */;
-short int var44 /* : Bool */;
-int cltype45;
-int idtype46;
-val* var47 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: nullable Object */;
-short int var48 /* : Bool */;
-int cltype49;
-int idtype50;
-val* var51 /* : Array[Object] */;
-val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
-short int var52 /* : Bool */;
-int cltype53;
-int idtype54;
-val* var55 /* : AStdClassdef */;
-val* var56 /* : null */;
-val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var57 /* : Int */;
-long var58 /* : Int */;
+val* var_ptypenode3 /* var ptypenode3: nullable Object */;
+short int var4 /* : Bool */;
+int cltype5;
+int idtype6;
+val* var7 /* : AFormaldef */;
+val* var8 /* : null */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
+long var9 /* : Int */;
+long var10 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist14 = var1;
+var_nodearraylist2 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var2;
-var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var3;
-var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var4;
-var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var5;
-var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var6;
-var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var9;
-var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var10;
-var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var11;
-var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var12;
-var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var13;
-var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var14;
-var15 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode8 = var15;
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode17 = var16;
-var17 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
-CHECK_NEW_array__Array(var17);
-var_listnode19 = var17;
-var_pdocnode2 = var_nodearraylist1;
-/* <var_pdocnode2:nullable Object> isa nullable ADoc */
-cltype = type_nullable_parser_nodes__ADoc.color;
-idtype = type_nullable_parser_nodes__ADoc.id;
-if(var_pdocnode2 == NULL) {
-var18 = 1;
+var_nodearraylist1 = var2;
+var_tclassidnode2 = var_nodearraylist1;
+/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
+cltype = type_nullable_parser_nodes__TClassid.color;
+idtype = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode2 == NULL) {
+var3 = 1;
 } else {
-if(cltype >= var_pdocnode2->type->table_size) {
-var18 = 0;
+if(cltype >= var_tclassidnode2->type->table_size) {
+var3 = 0;
 } else {
-var18 = var_pdocnode2->type->type_table[cltype] == idtype;
+var3 = var_tclassidnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var18) {
+if (!var3) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15031);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15410);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist2;
-/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype20 = type_nullable_parser_nodes__AVisibility.color;
-idtype21 = type_nullable_parser_nodes__AVisibility.id;
-if(var_pvisibilitynode4 == NULL) {
-var19 = 1;
+var_ptypenode3 = var_nodearraylist2;
+/* <var_ptypenode3:nullable Object> isa nullable AType */
+cltype5 = type_nullable_parser_nodes__AType.color;
+idtype6 = type_nullable_parser_nodes__AType.id;
+if(var_ptypenode3 == NULL) {
+var4 = 1;
 } else {
-if(cltype20 >= var_pvisibilitynode4->type->table_size) {
-var19 = 0;
+if(cltype5 >= var_ptypenode3->type->table_size) {
+var4 = 0;
 } else {
-var19 = var_pvisibilitynode4->type->type_table[cltype20] == idtype21;
+var4 = var_ptypenode3->type->type_table[cltype5] == idtype6;
 }
 }
-if (!var19) {
+if (!var4) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15033);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15412);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist3;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype23 = type_nullable_parser_nodes__AClasskind.color;
-idtype24 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
-var22 = 1;
+var7 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
+var8 = NULL;
+((void (*)(val*, val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var7, var_tclassidnode2, var_ptypenode3, var8) /* init_aformaldef on <var7:AFormaldef>*/;
+var_pformaldefnode1 = var7;
+var_node_list = var_pformaldefnode1;
+var9 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction340> */
+var10 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var9) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var10, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
+}
+/* method parser#ReduceAction340#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction340__action(val* self, val* p0) {
+parser__ReduceAction340__action(self, p0);
+RET_LABEL:;
+}
+/* method parser#ReduceAction341#action for (self: ReduceAction341, Parser) */
+void parser__ReduceAction341__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
+short int var4 /* : Bool */;
+int cltype;
+int idtype;
+val* var_ptypenode3 /* var ptypenode3: nullable Object */;
+short int var5 /* : Bool */;
+int cltype6;
+int idtype7;
+val* var_pannotationsnode4 /* var pannotationsnode4: nullable Object */;
+short int var8 /* : Bool */;
+int cltype9;
+int idtype10;
+val* var11 /* : AFormaldef */;
+val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
+long var12 /* : Int */;
+long var13 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var3;
+var_tclassidnode2 = var_nodearraylist1;
+/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
+cltype = type_nullable_parser_nodes__TClassid.color;
+idtype = type_nullable_parser_nodes__TClassid.id;
+if(var_tclassidnode2 == NULL) {
+var4 = 1;
 } else {
-if(cltype23 >= var_pclasskindnode5->type->table_size) {
-var22 = 0;
+if(cltype >= var_tclassidnode2->type->table_size) {
+var4 = 0;
 } else {
-var22 = var_pclasskindnode5->type->type_table[cltype23] == idtype24;
+var4 = var_tclassidnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var22) {
+if (!var4) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15035);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15431);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist7;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype26 = type_nullable_parser_nodes__TClassid.color;
-idtype27 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
-var25 = 1;
+var_ptypenode3 = var_nodearraylist3;
+/* <var_ptypenode3:nullable Object> isa nullable AType */
+cltype6 = type_nullable_parser_nodes__AType.color;
+idtype7 = type_nullable_parser_nodes__AType.id;
+if(var_ptypenode3 == NULL) {
+var5 = 1;
 } else {
-if(cltype26 >= var_tclassidnode6->type->table_size) {
-var25 = 0;
+if(cltype6 >= var_ptypenode3->type->table_size) {
+var5 = 0;
 } else {
-var25 = var_tclassidnode6->type->type_table[cltype26] == idtype27;
+var5 = var_ptypenode3->type->type_table[cltype6] == idtype7;
 }
 }
-if (!var25) {
+if (!var5) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15037);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15433);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist8;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype29 = type_array__Arraykernel__Object.color;
-idtype30 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var28 = 0;
+var_pannotationsnode4 = var_nodearraylist2;
+/* <var_pannotationsnode4:nullable Object> isa nullable AAnnotations */
+cltype9 = type_nullable_parser_nodes__AAnnotations.color;
+idtype10 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode4 == NULL) {
+var8 = 1;
 } else {
-if(cltype29 >= var_listnode7->type->table_size) {
-var28 = 0;
+if(cltype9 >= var_pannotationsnode4->type->table_size) {
+var8 = 0;
 } else {
-var28 = var_listnode7->type->type_table[cltype29] == idtype30;
+var8 = var_pannotationsnode4->type->type_table[cltype9] == idtype10;
 }
 }
-if (!var28) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15039);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15435);
+show_backtrace(1);
 }
-var31 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction324>*/;
-var_listnode8 = var31;
-var32 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var32->class->vft[COLOR_array__Array__init]))(var32) /* init on <var32:Array[Object]>*/;
-CHECK_NEW_array__Array(var32);
-var_listnode13 = var32;
-var_listnode12 = var_nodearraylist9;
-/* <var_listnode12:nullable Object> isa Array[Object] */
-cltype34 = type_array__Arraykernel__Object.color;
-idtype35 = type_array__Arraykernel__Object.id;
-if(var_listnode12 == NULL) {
-var33 = 0;
+var11 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
+((void (*)(val*, val*, val*, val*))(var11->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var11, var_tclassidnode2, var_ptypenode3, var_pannotationsnode4) /* init_aformaldef on <var11:AFormaldef>*/;
+var_pformaldefnode1 = var11;
+var_node_list = var_pformaldefnode1;
+var12 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction341> */
+var13 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var12) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var13, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
+}
+/* method parser#ReduceAction341#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction341__action(val* self, val* p0) {
+parser__ReduceAction341__action(self, p0);
+RET_LABEL:;
+}
+/* method parser#ReduceAction342#action for (self: ReduceAction342, Parser) */
+void parser__ReduceAction342__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwsupernode2 /* var tkwsupernode2: nullable Object */;
+short int var5 /* : Bool */;
+int cltype;
+int idtype;
+val* var_ptypenode3 /* var ptypenode3: nullable Object */;
+short int var6 /* : Bool */;
+int cltype7;
+int idtype8;
+val* var9 /* : ASuperclass */;
+val* var10 /* : null */;
+val* var_psuperclassnode1 /* var psuperclassnode1: nullable ASuperclass */;
+long var11 /* : Int */;
+long var12 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var3;
+var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var4;
+var_tkwsupernode2 = var_nodearraylist2;
+/* <var_tkwsupernode2:nullable Object> isa nullable TKwsuper */
+cltype = type_nullable_parser_nodes__TKwsuper.color;
+idtype = type_nullable_parser_nodes__TKwsuper.id;
+if(var_tkwsupernode2 == NULL) {
+var5 = 1;
 } else {
-if(cltype34 >= var_listnode12->type->table_size) {
-var33 = 0;
+if(cltype >= var_tkwsupernode2->type->table_size) {
+var5 = 0;
 } else {
-var33 = var_listnode12->type->type_table[cltype34] == idtype35;
+var5 = var_tkwsupernode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var33) {
+if (!var5) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15043);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15455);
+show_backtrace(1);
 }
-var36 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction324>*/;
-var_listnode13 = var36;
-var37 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var38 = NULL;
-var39 = NULL;
-var40 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var37->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var37, var38, var39, var_listnode13, var40) /* init_aannotations on <var37:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var37);
-var_pannotationsnode9 = var37;
-var_pexterncodeblocknode15 = var_nodearraylist10;
-/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
-cltype42 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype43 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode15 == NULL) {
-var41 = 1;
+var_ptypenode3 = var_nodearraylist4;
+/* <var_ptypenode3:nullable Object> isa nullable AType */
+cltype7 = type_nullable_parser_nodes__AType.color;
+idtype8 = type_nullable_parser_nodes__AType.id;
+if(var_ptypenode3 == NULL) {
+var6 = 1;
 } else {
-if(cltype42 >= var_pexterncodeblocknode15->type->table_size) {
-var41 = 0;
+if(cltype7 >= var_ptypenode3->type->table_size) {
+var6 = 0;
 } else {
-var41 = var_pexterncodeblocknode15->type->type_table[cltype42] == idtype43;
+var6 = var_ptypenode3->type->type_table[cltype7] == idtype8;
+}
 }
+if (!var6) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15457);
+show_backtrace(1);
+}
+var9 = NEW_parser_nodes__ASuperclass(&type_parser_nodes__ASuperclass);
+var10 = NULL;
+((void (*)(val*, val*, val*, val*))(var9->class->vft[COLOR_parser_prod__ASuperclass__init_asuperclass]))(var9, var_tkwsupernode2, var_ptypenode3, var10) /* init_asuperclass on <var9:ASuperclass>*/;
+var_psuperclassnode1 = var9;
+var_node_list = var_psuperclassnode1;
+var11 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction342> */
+var12 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var11) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var12, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var41) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15052);
-exit(1);
+/* method parser#ReduceAction342#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction342__action(val* self, val* p0) {
+parser__ReduceAction342__action(self, p0);
+RET_LABEL:;
 }
-var_listnode16 = var_nodearraylist11;
-/* <var_listnode16:nullable Object> isa Array[Object] */
-cltype45 = type_array__Arraykernel__Object.color;
-idtype46 = type_array__Arraykernel__Object.id;
-if(var_listnode16 == NULL) {
-var44 = 0;
+/* method parser#ReduceAction343#action for (self: ReduceAction343, Parser) */
+void parser__ReduceAction343__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_tkwsupernode2 /* var tkwsupernode2: nullable Object */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+val* var_ptypenode3 /* var ptypenode3: nullable Object */;
+short int var7 /* : Bool */;
+int cltype8;
+int idtype9;
+val* var_pannotationsnode4 /* var pannotationsnode4: nullable Object */;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
+val* var13 /* : ASuperclass */;
+val* var_psuperclassnode1 /* var psuperclassnode1: nullable ASuperclass */;
+long var14 /* : Int */;
+long var15 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist5 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var3;
+var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var4;
+var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var5;
+var_tkwsupernode2 = var_nodearraylist2;
+/* <var_tkwsupernode2:nullable Object> isa nullable TKwsuper */
+cltype = type_nullable_parser_nodes__TKwsuper.color;
+idtype = type_nullable_parser_nodes__TKwsuper.id;
+if(var_tkwsupernode2 == NULL) {
+var6 = 1;
 } else {
-if(cltype45 >= var_listnode16->type->table_size) {
-var44 = 0;
+if(cltype >= var_tkwsupernode2->type->table_size) {
+var6 = 0;
 } else {
-var44 = var_listnode16->type->type_table[cltype45] == idtype46;
+var6 = var_tkwsupernode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var44) {
+if (!var6) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15054);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15478);
+show_backtrace(1);
 }
-var47 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction324>*/;
-var_listnode17 = var47;
-var_listnode18 = var_nodearraylist12;
-/* <var_listnode18:nullable Object> isa Array[Object] */
-cltype49 = type_array__Arraykernel__Object.color;
-idtype50 = type_array__Arraykernel__Object.id;
-if(var_listnode18 == NULL) {
-var48 = 0;
+var_ptypenode3 = var_nodearraylist4;
+/* <var_ptypenode3:nullable Object> isa nullable AType */
+cltype8 = type_nullable_parser_nodes__AType.color;
+idtype9 = type_nullable_parser_nodes__AType.id;
+if(var_ptypenode3 == NULL) {
+var7 = 1;
 } else {
-if(cltype49 >= var_listnode18->type->table_size) {
-var48 = 0;
+if(cltype8 >= var_ptypenode3->type->table_size) {
+var7 = 0;
 } else {
-var48 = var_listnode18->type->type_table[cltype49] == idtype50;
+var7 = var_ptypenode3->type->type_table[cltype8] == idtype9;
 }
 }
-if (!var48) {
+if (!var7) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15057);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15480);
+show_backtrace(1);
 }
-var51 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction324>*/;
-var_listnode19 = var51;
-var_tkwendnode20 = var_nodearraylist14;
-/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
-cltype53 = type_nullable_parser_nodes__TKwend.color;
-idtype54 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode20 == NULL) {
-var52 = 1;
+var_pannotationsnode4 = var_nodearraylist5;
+/* <var_pannotationsnode4:nullable Object> isa nullable AAnnotations */
+cltype11 = type_nullable_parser_nodes__AAnnotations.color;
+idtype12 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode4 == NULL) {
+var10 = 1;
 } else {
-if(cltype53 >= var_tkwendnode20->type->table_size) {
-var52 = 0;
+if(cltype11 >= var_pannotationsnode4->type->table_size) {
+var10 = 0;
 } else {
-var52 = var_tkwendnode20->type->type_table[cltype53] == idtype54;
+var10 = var_pannotationsnode4->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var52) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15060);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15482);
+show_backtrace(1);
 }
-var55 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-var56 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var55->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var55, var_pdocnode2, var56, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var55:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var55);
-var_pclassdefnode1 = var55;
-var_node_list = var_pclassdefnode1;
-var57 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction324> */
-var58 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var57) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var58, var_node_list) /* push on <var_p:Parser>*/;
+var13 = NEW_parser_nodes__ASuperclass(&type_parser_nodes__ASuperclass);
+((void (*)(val*, val*, val*, val*))(var13->class->vft[COLOR_parser_prod__ASuperclass__init_asuperclass]))(var13, var_tkwsupernode2, var_ptypenode3, var_pannotationsnode4) /* init_asuperclass on <var13:ASuperclass>*/;
+var_psuperclassnode1 = var13;
+var_node_list = var_psuperclassnode1;
+var14 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction343> */
+var15 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var14) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var15, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction324#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction324__action(val* self, val* p0) {
-parser__ReduceAction324__action(self, p0);
+/* method parser#ReduceAction343#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction343__action(val* self, val* p0) {
+parser__ReduceAction343__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction326#action for (self: ReduceAction326, Parser) */
-void parser__ReduceAction326__action(val* self, val* p0) {
+/* method parser#ReduceAction344#action for (self: ReduceAction344, Parser) */
+void parser__ReduceAction344__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var4 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var5 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var6 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var7 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var8 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var9 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var10 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var11 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var12 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var13 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var14 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var15 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
-val* var16 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: Array[Object] */;
-val* var17 /* : Array[Object] */;
-val* var_listnode19 /* var listnode19: Array[Object] */;
-val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var18 /* : Bool */;
-int cltype;
-int idtype;
-val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var28 /* : Bool */;
-int cltype29;
-int idtype30;
-val* var_listnode7 /* var listnode7: nullable Object */;
-short int var31 /* : Bool */;
-int cltype32;
-int idtype33;
-val* var34 /* : Array[Object] */;
-val* var35 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: Array[Object] */;
-val* var_listnode12 /* var listnode12: nullable Object */;
-short int var36 /* : Bool */;
-int cltype37;
-int idtype38;
-val* var39 /* : Array[Object] */;
-val* var40 /* : AAnnotations */;
-val* var41 /* : null */;
-val* var42 /* : null */;
-val* var43 /* : null */;
-val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
-val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
-short int var44 /* : Bool */;
-int cltype45;
-int idtype46;
-val* var_listnode16 /* var listnode16: nullable Object */;
-short int var47 /* : Bool */;
-int cltype48;
-int idtype49;
-val* var50 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: nullable Object */;
-short int var51 /* : Bool */;
-int cltype52;
-int idtype53;
-val* var54 /* : Array[Object] */;
-val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
-short int var55 /* : Bool */;
-int cltype56;
-int idtype57;
-val* var58 /* : AStdClassdef */;
-val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var59 /* : Int */;
-long var60 /* : Int */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable Object */;
+long var3 /* : Int */;
+long var4 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var2;
+var_ppropdefnode1 = var_nodearraylist1;
+var_node_list = var_ppropdefnode1;
+var3 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction344> */
+var4 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var3) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var4, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
+}
+/* method parser#ReduceAction344#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction344__action(val* self, val* p0) {
+parser__ReduceAction344__action(self, p0);
+RET_LABEL:;
+}
+/* method parser#ReduceAction345#action for (self: ReduceAction345, Parser) */
+void parser__ReduceAction345__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var8 /* : Bool */;
+int cltype;
+int idtype;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+val* var24 /* : AConcreteMethPropdef */;
+val* var25 /* : null */;
+val* var26 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var27 /* : Int */;
+long var28 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist14 = var1;
+var_nodearraylist7 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var2;
+var_nodearraylist6 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var3;
+var_nodearraylist5 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var4;
+var_nodearraylist4 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var5;
+var_nodearraylist3 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var6;
+var_nodearraylist2 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var9;
-var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var10;
-var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var11;
-var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var12;
-var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var13;
-var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var14;
-var15 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var15->class->vft[COLOR_array__Array__init]))(var15) /* init on <var15:Array[Object]>*/;
-CHECK_NEW_array__Array(var15);
-var_listnode8 = var15;
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode17 = var16;
-var17 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
-CHECK_NEW_array__Array(var17);
-var_listnode19 = var17;
+var_nodearraylist1 = var7;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var18 = 1;
+var8 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var18 = 0;
-} else {
-var18 = var_pdocnode2->type->type_table[cltype] == idtype;
-}
-}
-if (!var18) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15101);
-exit(1);
-}
-var_tkwredefnode3 = var_nodearraylist2;
-/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype20 = type_nullable_parser_nodes__TKwredef.color;
-idtype21 = type_nullable_parser_nodes__TKwredef.id;
-if(var_tkwredefnode3 == NULL) {
-var19 = 1;
-} else {
-if(cltype20 >= var_tkwredefnode3->type->table_size) {
-var19 = 0;
+var8 = 0;
 } else {
-var19 = var_tkwredefnode3->type->type_table[cltype20] == idtype21;
+var8 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var19) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15103);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15517);
+show_backtrace(1);
 }
-var_pvisibilitynode4 = var_nodearraylist3;
+var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype23 = type_nullable_parser_nodes__AVisibility.color;
-idtype24 = type_nullable_parser_nodes__AVisibility.id;
+cltype10 = type_nullable_parser_nodes__AVisibility.color;
+idtype11 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var22 = 1;
-} else {
-if(cltype23 >= var_pvisibilitynode4->type->table_size) {
-var22 = 0;
-} else {
-var22 = var_pvisibilitynode4->type->type_table[cltype23] == idtype24;
-}
-}
-if (!var22) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15105);
-exit(1);
-}
-var_pclasskindnode5 = var_nodearraylist4;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype26 = type_nullable_parser_nodes__AClasskind.color;
-idtype27 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
-var25 = 1;
-} else {
-if(cltype26 >= var_pclasskindnode5->type->table_size) {
-var25 = 0;
-} else {
-var25 = var_pclasskindnode5->type->type_table[cltype26] == idtype27;
-}
-}
-if (!var25) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15107);
-exit(1);
-}
-var_tclassidnode6 = var_nodearraylist7;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype29 = type_nullable_parser_nodes__TClassid.color;
-idtype30 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
-var28 = 1;
-} else {
-if(cltype29 >= var_tclassidnode6->type->table_size) {
-var28 = 0;
-} else {
-var28 = var_tclassidnode6->type->type_table[cltype29] == idtype30;
-}
-}
-if (!var28) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15109);
-exit(1);
-}
-var_listnode7 = var_nodearraylist8;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype32 = type_array__Arraykernel__Object.color;
-idtype33 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var31 = 0;
-} else {
-if(cltype32 >= var_listnode7->type->table_size) {
-var31 = 0;
-} else {
-var31 = var_listnode7->type->type_table[cltype32] == idtype33;
-}
-}
-if (!var31) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15111);
-exit(1);
-}
-var34 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction326>*/;
-var_listnode8 = var34;
-var35 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var35->class->vft[COLOR_array__Array__init]))(var35) /* init on <var35:Array[Object]>*/;
-CHECK_NEW_array__Array(var35);
-var_listnode13 = var35;
-var_listnode12 = var_nodearraylist9;
-/* <var_listnode12:nullable Object> isa Array[Object] */
-cltype37 = type_array__Arraykernel__Object.color;
-idtype38 = type_array__Arraykernel__Object.id;
-if(var_listnode12 == NULL) {
-var36 = 0;
+var9 = 1;
 } else {
-if(cltype37 >= var_listnode12->type->table_size) {
-var36 = 0;
+if(cltype10 >= var_pvisibilitynode4->type->table_size) {
+var9 = 0;
 } else {
-var36 = var_listnode12->type->type_table[cltype37] == idtype38;
+var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
 }
 }
-if (!var36) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15115);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15519);
+show_backtrace(1);
 }
-var39 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction326>*/;
-var_listnode13 = var39;
-var40 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var41 = NULL;
-var42 = NULL;
-var43 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var40->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var40, var41, var42, var_listnode13, var43) /* init_aannotations on <var40:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var40);
-var_pannotationsnode9 = var40;
-var_pexterncodeblocknode15 = var_nodearraylist10;
-/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
-cltype45 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype46 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode15 == NULL) {
-var44 = 1;
+var_tkwmethnode5 = var_nodearraylist3;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype13 = type_nullable_parser_nodes__TKwmeth.color;
+idtype14 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var12 = 1;
 } else {
-if(cltype45 >= var_pexterncodeblocknode15->type->table_size) {
-var44 = 0;
+if(cltype13 >= var_tkwmethnode5->type->table_size) {
+var12 = 0;
 } else {
-var44 = var_pexterncodeblocknode15->type->type_table[cltype45] == idtype46;
+var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var44) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15124);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15521);
+show_backtrace(1);
 }
-var_listnode16 = var_nodearraylist11;
-/* <var_listnode16:nullable Object> isa Array[Object] */
-cltype48 = type_array__Arraykernel__Object.color;
-idtype49 = type_array__Arraykernel__Object.id;
-if(var_listnode16 == NULL) {
-var47 = 0;
+var_pmethidnode6 = var_nodearraylist4;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype16 = type_nullable_parser_nodes__AMethid.color;
+idtype17 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var15 = 1;
 } else {
-if(cltype48 >= var_listnode16->type->table_size) {
-var47 = 0;
+if(cltype16 >= var_pmethidnode6->type->table_size) {
+var15 = 0;
 } else {
-var47 = var_listnode16->type->type_table[cltype48] == idtype49;
+var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
 }
 }
-if (!var47) {
+if (!var15) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15126);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15523);
+show_backtrace(1);
 }
-var50 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction326>*/;
-var_listnode17 = var50;
-var_listnode18 = var_nodearraylist12;
-/* <var_listnode18:nullable Object> isa Array[Object] */
-cltype52 = type_array__Arraykernel__Object.color;
-idtype53 = type_array__Arraykernel__Object.id;
-if(var_listnode18 == NULL) {
-var51 = 0;
+var_psignaturenode7 = var_nodearraylist5;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype19 = type_nullable_parser_nodes__ASignature.color;
+idtype20 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var18 = 1;
 } else {
-if(cltype52 >= var_listnode18->type->table_size) {
-var51 = 0;
+if(cltype19 >= var_psignaturenode7->type->table_size) {
+var18 = 0;
 } else {
-var51 = var_listnode18->type->type_table[cltype52] == idtype53;
+var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var51) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15129);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15525);
+show_backtrace(1);
 }
-var54 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction326>*/;
-var_listnode19 = var54;
-var_tkwendnode20 = var_nodearraylist14;
-/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
-cltype56 = type_nullable_parser_nodes__TKwend.color;
-idtype57 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode20 == NULL) {
-var55 = 1;
+var_pexprnode9 = var_nodearraylist7;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype22 = type_nullable_parser_nodes__AExpr.color;
+idtype23 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var21 = 1;
 } else {
-if(cltype56 >= var_tkwendnode20->type->table_size) {
-var55 = 0;
+if(cltype22 >= var_pexprnode9->type->table_size) {
+var21 = 0;
 } else {
-var55 = var_tkwendnode20->type->type_table[cltype56] == idtype57;
+var21 = var_pexprnode9->type->type_table[cltype22] == idtype23;
 }
 }
-if (!var55) {
+if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15132);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15527);
+show_backtrace(1);
 }
-var58 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var58->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var58, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var58:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var58);
-var_pclassdefnode1 = var58;
-var_node_list = var_pclassdefnode1;
-var59 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction326> */
-var60 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var59) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var60, var_node_list) /* push on <var_p:Parser>*/;
+var24 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var25 = NULL;
+var26 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var24->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var24, var_pdocnode2, var25, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var26, var_pexprnode9) /* init_aconcretemethpropdef on <var24:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var24;
+var_node_list = var_ppropdefnode1;
+var27 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction345> */
+var28 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var27) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var28, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction326#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction326__action(val* self, val* p0) {
-parser__ReduceAction326__action(self, p0);
+/* method parser#ReduceAction345#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction345__action(val* self, val* p0) {
+parser__ReduceAction345__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction327#action for (self: ReduceAction327, Parser) */
-void parser__ReduceAction327__action(val* self, val* p0) {
+/* method parser#ReduceAction346#action for (self: ReduceAction346, Parser) */
+void parser__ReduceAction346__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist15 /* var nodearraylist15: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist14 /* var nodearraylist14: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist13 /* var nodearraylist13: nullable Object */;
-val* var4 /* : nullable Object */;
-val* var_nodearraylist12 /* var nodearraylist12: nullable Object */;
-val* var5 /* : nullable Object */;
-val* var_nodearraylist11 /* var nodearraylist11: nullable Object */;
-val* var6 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var7 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var8 /* : nullable Object */;
 val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var10 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var11 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var12 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var13 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var14 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var15 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var16 /* : Array[Object] */;
-val* var_listnode8 /* var listnode8: Array[Object] */;
-val* var17 /* : Array[Object] */;
-val* var_listnode17 /* var listnode17: Array[Object] */;
-val* var18 /* : Array[Object] */;
-val* var_listnode19 /* var listnode19: Array[Object] */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var19 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-val* var_pclasskindnode5 /* var pclasskindnode5: nullable Object */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-val* var_tclassidnode6 /* var tclassidnode6: nullable Object */;
-short int var29 /* : Bool */;
-int cltype30;
-int idtype31;
-val* var_listnode7 /* var listnode7: nullable Object */;
-short int var32 /* : Bool */;
-int cltype33;
-int idtype34;
-val* var35 /* : Array[Object] */;
-val* var36 /* : Array[Object] */;
-val* var_listnode13 /* var listnode13: Array[Object] */;
-val* var_listnode12 /* var listnode12: nullable Object */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-val* var40 /* : Array[Object] */;
-val* var41 /* : AAnnotations */;
-val* var42 /* : null */;
-val* var43 /* : null */;
-val* var44 /* : null */;
-val* var_pannotationsnode9 /* var pannotationsnode9: nullable AAnnotations */;
-val* var_pexterncodeblocknode15 /* var pexterncodeblocknode15: nullable Object */;
-short int var45 /* : Bool */;
-int cltype46;
-int idtype47;
-val* var_listnode16 /* var listnode16: nullable Object */;
-short int var48 /* : Bool */;
-int cltype49;
-int idtype50;
-val* var51 /* : Array[Object] */;
-val* var_listnode18 /* var listnode18: nullable Object */;
-short int var52 /* : Bool */;
-int cltype53;
-int idtype54;
-val* var55 /* : Array[Object] */;
-val* var_tkwendnode20 /* var tkwendnode20: nullable Object */;
-short int var56 /* : Bool */;
-int cltype57;
-int idtype58;
-val* var59 /* : AStdClassdef */;
-val* var_pclassdefnode1 /* var pclassdefnode1: nullable AStdClassdef */;
-long var60 /* : Int */;
-long var61 /* : Int */;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+val* var28 /* : AConcreteMethPropdef */;
+val* var29 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var30 /* : Int */;
+long var31 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist15 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist14 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist13 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist12 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist11 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var7;
+var_nodearraylist2 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var9;
-var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var10;
-var11 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var11;
-var12 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var12;
-var13 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var13;
-var14 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var14;
-var15 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var15;
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var16->class->vft[COLOR_array__Array__init]))(var16) /* init on <var16:Array[Object]>*/;
-CHECK_NEW_array__Array(var16);
-var_listnode8 = var16;
-var17 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var17->class->vft[COLOR_array__Array__init]))(var17) /* init on <var17:Array[Object]>*/;
-CHECK_NEW_array__Array(var17);
-var_listnode17 = var17;
-var18 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var18->class->vft[COLOR_array__Array__init]))(var18) /* init on <var18:Array[Object]>*/;
-CHECK_NEW_array__Array(var18);
-var_listnode19 = var18;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var19 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var19 = 0;
+var9 = 0;
 } else {
-var19 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var19) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15174);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15556);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype21 = type_nullable_parser_nodes__TKwredef.color;
-idtype22 = type_nullable_parser_nodes__TKwredef.id;
+cltype11 = type_nullable_parser_nodes__TKwredef.color;
+idtype12 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var20 = 1;
+var10 = 1;
 } else {
-if(cltype21 >= var_tkwredefnode3->type->table_size) {
-var20 = 0;
+if(cltype11 >= var_tkwredefnode3->type->table_size) {
+var10 = 0;
 } else {
-var20 = var_tkwredefnode3->type->type_table[cltype21] == idtype22;
+var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var20) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15176);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15558);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype24 = type_nullable_parser_nodes__AVisibility.color;
-idtype25 = type_nullable_parser_nodes__AVisibility.id;
+cltype14 = type_nullable_parser_nodes__AVisibility.color;
+idtype15 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var23 = 1;
+var13 = 1;
 } else {
-if(cltype24 >= var_pvisibilitynode4->type->table_size) {
-var23 = 0;
+if(cltype14 >= var_pvisibilitynode4->type->table_size) {
+var13 = 0;
+} else {
+var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
+}
+}
+if (!var13) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15560);
+show_backtrace(1);
+}
+var_tkwmethnode5 = var_nodearraylist4;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype17 = type_nullable_parser_nodes__TKwmeth.color;
+idtype18 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var16 = 1;
+} else {
+if(cltype17 >= var_tkwmethnode5->type->table_size) {
+var16 = 0;
 } else {
-var23 = var_pvisibilitynode4->type->type_table[cltype24] == idtype25;
+var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var23) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15178);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15562);
+show_backtrace(1);
 }
-var_pclasskindnode5 = var_nodearraylist4;
-/* <var_pclasskindnode5:nullable Object> isa nullable AClasskind */
-cltype27 = type_nullable_parser_nodes__AClasskind.color;
-idtype28 = type_nullable_parser_nodes__AClasskind.id;
-if(var_pclasskindnode5 == NULL) {
-var26 = 1;
+var_pmethidnode6 = var_nodearraylist5;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype20 = type_nullable_parser_nodes__AMethid.color;
+idtype21 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var19 = 1;
 } else {
-if(cltype27 >= var_pclasskindnode5->type->table_size) {
-var26 = 0;
+if(cltype20 >= var_pmethidnode6->type->table_size) {
+var19 = 0;
 } else {
-var26 = var_pclasskindnode5->type->type_table[cltype27] == idtype28;
+var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var26) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15180);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15564);
+show_backtrace(1);
 }
-var_tclassidnode6 = var_nodearraylist8;
-/* <var_tclassidnode6:nullable Object> isa nullable TClassid */
-cltype30 = type_nullable_parser_nodes__TClassid.color;
-idtype31 = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode6 == NULL) {
-var29 = 1;
+var_psignaturenode7 = var_nodearraylist6;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype23 = type_nullable_parser_nodes__ASignature.color;
+idtype24 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var22 = 1;
 } else {
-if(cltype30 >= var_tclassidnode6->type->table_size) {
-var29 = 0;
+if(cltype23 >= var_psignaturenode7->type->table_size) {
+var22 = 0;
 } else {
-var29 = var_tclassidnode6->type->type_table[cltype30] == idtype31;
+var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var29) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15182);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15566);
+show_backtrace(1);
 }
-var_listnode7 = var_nodearraylist9;
-/* <var_listnode7:nullable Object> isa Array[Object] */
-cltype33 = type_array__Arraykernel__Object.color;
-idtype34 = type_array__Arraykernel__Object.id;
-if(var_listnode7 == NULL) {
-var32 = 0;
+var_pexprnode9 = var_nodearraylist8;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype26 = type_nullable_parser_nodes__AExpr.color;
+idtype27 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var25 = 1;
 } else {
-if(cltype33 >= var_listnode7->type->table_size) {
-var32 = 0;
+if(cltype26 >= var_pexprnode9->type->table_size) {
+var25 = 0;
 } else {
-var32 = var_listnode7->type->type_table[cltype33] == idtype34;
+var25 = var_pexprnode9->type->type_table[cltype26] == idtype27;
 }
 }
-if (!var32) {
+if (!var25) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15184);
-exit(1);
-}
-var35 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode8, var_listnode7) /* concat on <self:ReduceAction327>*/;
-var_listnode8 = var35;
-var36 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var36->class->vft[COLOR_array__Array__init]))(var36) /* init on <var36:Array[Object]>*/;
-CHECK_NEW_array__Array(var36);
-var_listnode13 = var36;
-var_listnode12 = var_nodearraylist10;
-/* <var_listnode12:nullable Object> isa Array[Object] */
-cltype38 = type_array__Arraykernel__Object.color;
-idtype39 = type_array__Arraykernel__Object.id;
-if(var_listnode12 == NULL) {
-var37 = 0;
-} else {
-if(cltype38 >= var_listnode12->type->table_size) {
-var37 = 0;
-} else {
-var37 = var_listnode12->type->type_table[cltype38] == idtype39;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15568);
+show_backtrace(1);
 }
+var28 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var29 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var28->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var28, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var29, var_pexprnode9) /* init_aconcretemethpropdef on <var28:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var28;
+var_node_list = var_ppropdefnode1;
+var30 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction346> */
+var31 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var30) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var31, var_node_list) /* push on <var_p:Parser>*/;
+RET_LABEL:;
 }
-if (!var37) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15188);
-exit(1);
+/* method parser#ReduceAction346#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction346__action(val* self, val* p0) {
+parser__ReduceAction346__action(self, p0);
+RET_LABEL:;
 }
-var40 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode13, var_listnode12) /* concat on <self:ReduceAction327>*/;
-var_listnode13 = var40;
-var41 = NEW_parser_nodes__AAnnotations(&type_parser_nodes__AAnnotations);
-var42 = NULL;
-var43 = NULL;
-var44 = NULL;
-((void (*)(val*, val*, val*, val*, val*))(var41->class->vft[COLOR_parser_prod__AAnnotations__init_aannotations]))(var41, var42, var43, var_listnode13, var44) /* init_aannotations on <var41:AAnnotations>*/;
-CHECK_NEW_parser_nodes__AAnnotations(var41);
-var_pannotationsnode9 = var41;
-var_pexterncodeblocknode15 = var_nodearraylist11;
-/* <var_pexterncodeblocknode15:nullable Object> isa nullable AExternCodeBlock */
-cltype46 = type_nullable_parser_nodes__AExternCodeBlock.color;
-idtype47 = type_nullable_parser_nodes__AExternCodeBlock.id;
-if(var_pexterncodeblocknode15 == NULL) {
-var45 = 1;
+/* method parser#ReduceAction347#action for (self: ReduceAction347, Parser) */
+void parser__ReduceAction347__action(val* self, val* p0) {
+val* var_p /* var p: Parser */;
+val* var /* : null */;
+val* var_node_list /* var node_list: nullable Object */;
+val* var1 /* : nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var9 /* : Bool */;
+int cltype;
+int idtype;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+val* var28 /* : AConcreteMethPropdef */;
+val* var29 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var30 /* : Int */;
+long var31 /* : Int */;
+var_p = p0;
+var = NULL;
+var_node_list = var;
+var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist8 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist7 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist6 = var3;
+var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist5 = var4;
+var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var5;
+var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var8;
+var_pdocnode2 = var_nodearraylist1;
+/* <var_pdocnode2:nullable Object> isa nullable ADoc */
+cltype = type_nullable_parser_nodes__ADoc.color;
+idtype = type_nullable_parser_nodes__ADoc.id;
+if(var_pdocnode2 == NULL) {
+var9 = 1;
 } else {
-if(cltype46 >= var_pexterncodeblocknode15->type->table_size) {
-var45 = 0;
+if(cltype >= var_pdocnode2->type->table_size) {
+var9 = 0;
 } else {
-var45 = var_pexterncodeblocknode15->type->type_table[cltype46] == idtype47;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var45) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15197);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15597);
+show_backtrace(1);
 }
-var_listnode16 = var_nodearraylist12;
-/* <var_listnode16:nullable Object> isa Array[Object] */
-cltype49 = type_array__Arraykernel__Object.color;
-idtype50 = type_array__Arraykernel__Object.id;
-if(var_listnode16 == NULL) {
-var48 = 0;
+var_pvisibilitynode4 = var_nodearraylist2;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype11 = type_nullable_parser_nodes__AVisibility.color;
+idtype12 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
+var10 = 1;
 } else {
-if(cltype49 >= var_listnode16->type->table_size) {
-var48 = 0;
+if(cltype11 >= var_pvisibilitynode4->type->table_size) {
+var10 = 0;
 } else {
-var48 = var_listnode16->type->type_table[cltype49] == idtype50;
+var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var48) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15199);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15599);
+show_backtrace(1);
 }
-var51 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode17, var_listnode16) /* concat on <self:ReduceAction327>*/;
-var_listnode17 = var51;
-var_listnode18 = var_nodearraylist13;
-/* <var_listnode18:nullable Object> isa Array[Object] */
-cltype53 = type_array__Arraykernel__Object.color;
-idtype54 = type_array__Arraykernel__Object.id;
-if(var_listnode18 == NULL) {
-var52 = 0;
+var_tkwmethnode5 = var_nodearraylist3;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype14 = type_nullable_parser_nodes__TKwmeth.color;
+idtype15 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var13 = 1;
 } else {
-if(cltype53 >= var_listnode18->type->table_size) {
-var52 = 0;
+if(cltype14 >= var_tkwmethnode5->type->table_size) {
+var13 = 0;
 } else {
-var52 = var_listnode18->type->type_table[cltype53] == idtype54;
+var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var52) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15202);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15601);
+show_backtrace(1);
 }
-var55 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode19, var_listnode18) /* concat on <self:ReduceAction327>*/;
-var_listnode19 = var55;
-var_tkwendnode20 = var_nodearraylist15;
-/* <var_tkwendnode20:nullable Object> isa nullable TKwend */
-cltype57 = type_nullable_parser_nodes__TKwend.color;
-idtype58 = type_nullable_parser_nodes__TKwend.id;
-if(var_tkwendnode20 == NULL) {
-var56 = 1;
+var_pmethidnode6 = var_nodearraylist4;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype17 = type_nullable_parser_nodes__AMethid.color;
+idtype18 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var16 = 1;
 } else {
-if(cltype57 >= var_tkwendnode20->type->table_size) {
-var56 = 0;
+if(cltype17 >= var_pmethidnode6->type->table_size) {
+var16 = 0;
 } else {
-var56 = var_tkwendnode20->type->type_table[cltype57] == idtype58;
+var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var56) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15205);
-exit(1);
-}
-var59 = NEW_parser_nodes__AStdClassdef(&type_parser_nodes__AStdClassdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var59->class->vft[COLOR_parser_prod__AStdClassdef__init_astdclassdef]))(var59, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_pclasskindnode5, var_tclassidnode6, var_listnode8, var_pannotationsnode9, var_pexterncodeblocknode15, var_listnode17, var_listnode19, var_tkwendnode20) /* init_astdclassdef on <var59:AStdClassdef>*/;
-CHECK_NEW_parser_nodes__AStdClassdef(var59);
-var_pclassdefnode1 = var59;
-var_node_list = var_pclassdefnode1;
-var60 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction327> */
-var61 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var60) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var61, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
-}
-/* method parser#ReduceAction327#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction327__action(val* self, val* p0) {
-parser__ReduceAction327__action(self, p0);
-RET_LABEL:;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15603);
+show_backtrace(1);
 }
-/* method parser#ReduceAction329#action for (self: ReduceAction329, Parser) */
-void parser__ReduceAction329__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwclassnode2 /* var tkwclassnode2: nullable Object */;
-short int var2 /* : Bool */;
-int cltype;
-int idtype;
-val* var3 /* : AConcreteClasskind */;
-val* var_pclasskindnode1 /* var pclasskindnode1: nullable AConcreteClasskind */;
-long var4 /* : Int */;
-long var5 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var1;
-var_tkwclassnode2 = var_nodearraylist1;
-/* <var_tkwclassnode2:nullable Object> isa nullable TKwclass */
-cltype = type_nullable_parser_nodes__TKwclass.color;
-idtype = type_nullable_parser_nodes__TKwclass.id;
-if(var_tkwclassnode2 == NULL) {
-var2 = 1;
+var_psignaturenode7 = var_nodearraylist5;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype20 = type_nullable_parser_nodes__ASignature.color;
+idtype21 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var19 = 1;
 } else {
-if(cltype >= var_tkwclassnode2->type->table_size) {
-var2 = 0;
+if(cltype20 >= var_psignaturenode7->type->table_size) {
+var19 = 0;
 } else {
-var2 = var_tkwclassnode2->type->type_table[cltype] == idtype;
+var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var2) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15230);
-exit(1);
-}
-var3 = NEW_parser_nodes__AConcreteClasskind(&type_parser_nodes__AConcreteClasskind);
-((void (*)(val*, val*))(var3->class->vft[COLOR_parser_prod__AConcreteClasskind__init_aconcreteclasskind]))(var3, var_tkwclassnode2) /* init_aconcreteclasskind on <var3:AConcreteClasskind>*/;
-CHECK_NEW_parser_nodes__AConcreteClasskind(var3);
-var_pclasskindnode1 = var3;
-var_node_list = var_pclasskindnode1;
-var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction329> */
-var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
-}
-/* method parser#ReduceAction329#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction329__action(val* self, val* p0) {
-parser__ReduceAction329__action(self, p0);
-RET_LABEL:;
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15605);
+show_backtrace(1);
 }
-/* method parser#ReduceAction330#action for (self: ReduceAction330, Parser) */
-void parser__ReduceAction330__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwabstractnode2 /* var tkwabstractnode2: nullable Object */;
-short int var3 /* : Bool */;
-int cltype;
-int idtype;
-val* var_tkwclassnode3 /* var tkwclassnode3: nullable Object */;
-short int var4 /* : Bool */;
-int cltype5;
-int idtype6;
-val* var7 /* : AAbstractClasskind */;
-val* var_pclasskindnode1 /* var pclasskindnode1: nullable AAbstractClasskind */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var2;
-var_tkwabstractnode2 = var_nodearraylist1;
-/* <var_tkwabstractnode2:nullable Object> isa nullable TKwabstract */
-cltype = type_nullable_parser_nodes__TKwabstract.color;
-idtype = type_nullable_parser_nodes__TKwabstract.id;
-if(var_tkwabstractnode2 == NULL) {
-var3 = 1;
+var_pannotationsnode8 = var_nodearraylist6;
+/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
+cltype23 = type_nullable_parser_nodes__AAnnotations.color;
+idtype24 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode8 == NULL) {
+var22 = 1;
 } else {
-if(cltype >= var_tkwabstractnode2->type->table_size) {
-var3 = 0;
+if(cltype23 >= var_pannotationsnode8->type->table_size) {
+var22 = 0;
 } else {
-var3 = var_tkwabstractnode2->type->type_table[cltype] == idtype;
+var22 = var_pannotationsnode8->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var3) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15246);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15607);
+show_backtrace(1);
 }
-var_tkwclassnode3 = var_nodearraylist2;
-/* <var_tkwclassnode3:nullable Object> isa nullable TKwclass */
-cltype5 = type_nullable_parser_nodes__TKwclass.color;
-idtype6 = type_nullable_parser_nodes__TKwclass.id;
-if(var_tkwclassnode3 == NULL) {
-var4 = 1;
+var_pexprnode9 = var_nodearraylist8;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype26 = type_nullable_parser_nodes__AExpr.color;
+idtype27 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var25 = 1;
 } else {
-if(cltype5 >= var_tkwclassnode3->type->table_size) {
-var4 = 0;
+if(cltype26 >= var_pexprnode9->type->table_size) {
+var25 = 0;
 } else {
-var4 = var_tkwclassnode3->type->type_table[cltype5] == idtype6;
+var25 = var_pexprnode9->type->type_table[cltype26] == idtype27;
 }
 }
-if (!var4) {
+if (!var25) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15248);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15609);
+show_backtrace(1);
 }
-var7 = NEW_parser_nodes__AAbstractClasskind(&type_parser_nodes__AAbstractClasskind);
-((void (*)(val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AAbstractClasskind__init_aabstractclasskind]))(var7, var_tkwabstractnode2, var_tkwclassnode3) /* init_aabstractclasskind on <var7:AAbstractClasskind>*/;
-CHECK_NEW_parser_nodes__AAbstractClasskind(var7);
-var_pclasskindnode1 = var7;
-var_node_list = var_pclasskindnode1;
-var8 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction330> */
-var9 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var8) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var9, var_node_list) /* push on <var_p:Parser>*/;
+var28 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var29 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var28->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var28, var_pdocnode2, var29, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var28:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var28;
+var_node_list = var_ppropdefnode1;
+var30 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction347> */
+var31 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var30) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var31, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction330#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction330__action(val* self, val* p0) {
-parser__ReduceAction330__action(self, p0);
+/* method parser#ReduceAction347#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction347__action(val* self, val* p0) {
+parser__ReduceAction347__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction331#action for (self: ReduceAction331, Parser) */
-void parser__ReduceAction331__action(val* self, val* p0) {
+/* method parser#ReduceAction348#action for (self: ReduceAction348, Parser) */
+void parser__ReduceAction348__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
+val* var2 /* : nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwinterfacenode2 /* var tkwinterfacenode2: nullable Object */;
-short int var2 /* : Bool */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
-val* var3 /* : AInterfaceClasskind */;
-val* var_pclasskindnode1 /* var pclasskindnode1: nullable AInterfaceClasskind */;
-long var4 /* : Int */;
-long var5 /* : Int */;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var29 /* : Bool */;
+int cltype30;
+int idtype31;
+val* var32 /* : AConcreteMethPropdef */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var33 /* : Int */;
+long var34 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var1;
-var_tkwinterfacenode2 = var_nodearraylist1;
-/* <var_tkwinterfacenode2:nullable Object> isa nullable TKwinterface */
-cltype = type_nullable_parser_nodes__TKwinterface.color;
-idtype = type_nullable_parser_nodes__TKwinterface.id;
-if(var_tkwinterfacenode2 == NULL) {
-var2 = 1;
+var_nodearraylist9 = var1;
+var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist8 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist7 = var3;
+var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist6 = var4;
+var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist5 = var5;
+var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
+var_pdocnode2 = var_nodearraylist1;
+/* <var_pdocnode2:nullable Object> isa nullable ADoc */
+cltype = type_nullable_parser_nodes__ADoc.color;
+idtype = type_nullable_parser_nodes__ADoc.id;
+if(var_pdocnode2 == NULL) {
+var10 = 1;
 } else {
-if(cltype >= var_tkwinterfacenode2->type->table_size) {
-var2 = 0;
+if(cltype >= var_pdocnode2->type->table_size) {
+var10 = 0;
 } else {
-var2 = var_tkwinterfacenode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var2) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15264);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15639);
+show_backtrace(1);
 }
-var3 = NEW_parser_nodes__AInterfaceClasskind(&type_parser_nodes__AInterfaceClasskind);
-((void (*)(val*, val*))(var3->class->vft[COLOR_parser_prod__AInterfaceClasskind__init_ainterfaceclasskind]))(var3, var_tkwinterfacenode2) /* init_ainterfaceclasskind on <var3:AInterfaceClasskind>*/;
-CHECK_NEW_parser_nodes__AInterfaceClasskind(var3);
-var_pclasskindnode1 = var3;
-var_node_list = var_pclasskindnode1;
-var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction331> */
-var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype12 = type_nullable_parser_nodes__TKwredef.color;
+idtype13 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
+var11 = 1;
+} else {
+if(cltype12 >= var_tkwredefnode3->type->table_size) {
+var11 = 0;
+} else {
+var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
 }
-/* method parser#ReduceAction331#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction331__action(val* self, val* p0) {
-parser__ReduceAction331__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction332#action for (self: ReduceAction332, Parser) */
-void parser__ReduceAction332__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwenumnode2 /* var tkwenumnode2: nullable Object */;
-short int var2 /* : Bool */;
-int cltype;
-int idtype;
-val* var3 /* : AEnumClasskind */;
-val* var_pclasskindnode1 /* var pclasskindnode1: nullable AEnumClasskind */;
-long var4 /* : Int */;
-long var5 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var1;
-var_tkwenumnode2 = var_nodearraylist1;
-/* <var_tkwenumnode2:nullable Object> isa nullable TKwenum */
-cltype = type_nullable_parser_nodes__TKwenum.color;
-idtype = type_nullable_parser_nodes__TKwenum.id;
-if(var_tkwenumnode2 == NULL) {
-var2 = 1;
+if (!var11) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15641);
+show_backtrace(1);
+}
+var_pvisibilitynode4 = var_nodearraylist3;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype15 = type_nullable_parser_nodes__AVisibility.color;
+idtype16 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
+var14 = 1;
 } else {
-if(cltype >= var_tkwenumnode2->type->table_size) {
-var2 = 0;
+if(cltype15 >= var_pvisibilitynode4->type->table_size) {
+var14 = 0;
 } else {
-var2 = var_tkwenumnode2->type->type_table[cltype] == idtype;
+var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
 }
 }
-if (!var2) {
+if (!var14) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15279);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15643);
+show_backtrace(1);
 }
-var3 = NEW_parser_nodes__AEnumClasskind(&type_parser_nodes__AEnumClasskind);
-((void (*)(val*, val*))(var3->class->vft[COLOR_parser_prod__AEnumClasskind__init_aenumclasskind]))(var3, var_tkwenumnode2) /* init_aenumclasskind on <var3:AEnumClasskind>*/;
-CHECK_NEW_parser_nodes__AEnumClasskind(var3);
-var_pclasskindnode1 = var3;
-var_node_list = var_pclasskindnode1;
-var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction332> */
-var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_tkwmethnode5 = var_nodearraylist4;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype18 = type_nullable_parser_nodes__TKwmeth.color;
+idtype19 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var17 = 1;
+} else {
+if(cltype18 >= var_tkwmethnode5->type->table_size) {
+var17 = 0;
+} else {
+var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
 }
-/* method parser#ReduceAction332#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction332__action(val* self, val* p0) {
-parser__ReduceAction332__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction333#action for (self: ReduceAction333, Parser) */
-void parser__ReduceAction333__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwexternnode2 /* var tkwexternnode2: nullable Object */;
-short int var2 /* : Bool */;
-int cltype;
-int idtype;
-val* var3 /* : AExternClasskind */;
-val* var4 /* : null */;
-val* var_pclasskindnode1 /* var pclasskindnode1: nullable AExternClasskind */;
-long var5 /* : Int */;
-long var6 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var1;
-var_tkwexternnode2 = var_nodearraylist1;
-/* <var_tkwexternnode2:nullable Object> isa nullable TKwextern */
-cltype = type_nullable_parser_nodes__TKwextern.color;
-idtype = type_nullable_parser_nodes__TKwextern.id;
-if(var_tkwexternnode2 == NULL) {
-var2 = 1;
+if (!var17) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15645);
+show_backtrace(1);
+}
+var_pmethidnode6 = var_nodearraylist5;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype21 = type_nullable_parser_nodes__AMethid.color;
+idtype22 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var20 = 1;
 } else {
-if(cltype >= var_tkwexternnode2->type->table_size) {
-var2 = 0;
+if(cltype21 >= var_pmethidnode6->type->table_size) {
+var20 = 0;
 } else {
-var2 = var_tkwexternnode2->type->type_table[cltype] == idtype;
+var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var2) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15294);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15647);
+show_backtrace(1);
 }
-var3 = NEW_parser_nodes__AExternClasskind(&type_parser_nodes__AExternClasskind);
-var4 = NULL;
-((void (*)(val*, val*, val*))(var3->class->vft[COLOR_parser_prod__AExternClasskind__init_aexternclasskind]))(var3, var_tkwexternnode2, var4) /* init_aexternclasskind on <var3:AExternClasskind>*/;
-CHECK_NEW_parser_nodes__AExternClasskind(var3);
-var_pclasskindnode1 = var3;
-var_node_list = var_pclasskindnode1;
-var5 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction333> */
-var6 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var5) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var6, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_psignaturenode7 = var_nodearraylist6;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype24 = type_nullable_parser_nodes__ASignature.color;
+idtype25 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var23 = 1;
+} else {
+if(cltype24 >= var_psignaturenode7->type->table_size) {
+var23 = 0;
+} else {
+var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
 }
-/* method parser#ReduceAction333#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction333__action(val* self, val* p0) {
-parser__ReduceAction333__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction334#action for (self: ReduceAction334, Parser) */
-void parser__ReduceAction334__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwexternnode2 /* var tkwexternnode2: nullable Object */;
-short int var3 /* : Bool */;
-int cltype;
-int idtype;
-val* var_tkwclassnode3 /* var tkwclassnode3: nullable Object */;
-short int var4 /* : Bool */;
-int cltype5;
-int idtype6;
-val* var7 /* : AExternClasskind */;
-val* var_pclasskindnode1 /* var pclasskindnode1: nullable AExternClasskind */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var2;
-var_tkwexternnode2 = var_nodearraylist1;
-/* <var_tkwexternnode2:nullable Object> isa nullable TKwextern */
-cltype = type_nullable_parser_nodes__TKwextern.color;
-idtype = type_nullable_parser_nodes__TKwextern.id;
-if(var_tkwexternnode2 == NULL) {
-var3 = 1;
+if (!var23) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15649);
+show_backtrace(1);
+}
+var_pannotationsnode8 = var_nodearraylist7;
+/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
+cltype27 = type_nullable_parser_nodes__AAnnotations.color;
+idtype28 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode8 == NULL) {
+var26 = 1;
 } else {
-if(cltype >= var_tkwexternnode2->type->table_size) {
-var3 = 0;
+if(cltype27 >= var_pannotationsnode8->type->table_size) {
+var26 = 0;
 } else {
-var3 = var_tkwexternnode2->type->type_table[cltype] == idtype;
+var26 = var_pannotationsnode8->type->type_table[cltype27] == idtype28;
 }
 }
-if (!var3) {
+if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15311);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15651);
+show_backtrace(1);
 }
-var_tkwclassnode3 = var_nodearraylist2;
-/* <var_tkwclassnode3:nullable Object> isa nullable TKwclass */
-cltype5 = type_nullable_parser_nodes__TKwclass.color;
-idtype6 = type_nullable_parser_nodes__TKwclass.id;
-if(var_tkwclassnode3 == NULL) {
-var4 = 1;
+var_pexprnode9 = var_nodearraylist9;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype30 = type_nullable_parser_nodes__AExpr.color;
+idtype31 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var29 = 1;
 } else {
-if(cltype5 >= var_tkwclassnode3->type->table_size) {
-var4 = 0;
+if(cltype30 >= var_pexprnode9->type->table_size) {
+var29 = 0;
 } else {
-var4 = var_tkwclassnode3->type->type_table[cltype5] == idtype6;
+var29 = var_pexprnode9->type->type_table[cltype30] == idtype31;
 }
 }
-if (!var4) {
+if (!var29) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15313);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15653);
+show_backtrace(1);
 }
-var7 = NEW_parser_nodes__AExternClasskind(&type_parser_nodes__AExternClasskind);
-((void (*)(val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AExternClasskind__init_aexternclasskind]))(var7, var_tkwexternnode2, var_tkwclassnode3) /* init_aexternclasskind on <var7:AExternClasskind>*/;
-CHECK_NEW_parser_nodes__AExternClasskind(var7);
-var_pclasskindnode1 = var7;
-var_node_list = var_pclasskindnode1;
-var8 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction334> */
-var9 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var8) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var9, var_node_list) /* push on <var_p:Parser>*/;
+var32 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var32->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var32, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var32:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var32;
+var_node_list = var_ppropdefnode1;
+var33 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction348> */
+var34 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var33) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var34, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
-}
-/* method parser#ReduceAction334#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction334__action(val* self, val* p0) {
-parser__ReduceAction334__action(self, p0);
+}
+/* method parser#ReduceAction348#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction348__action(val* self, val* p0) {
+parser__ReduceAction348__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction335#action for (self: ReduceAction335, Parser) */
-void parser__ReduceAction335__action(val* self, val* p0) {
+/* method parser#ReduceAction349#action for (self: ReduceAction349, Parser) */
+void parser__ReduceAction349__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var5 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var6 /* : Array[Object] */;
-val* var_listnode2 /* var listnode2: Array[Object] */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable Object */;
-val* var7 /* : null */;
-short int var8 /* : Bool */;
-long var9 /* : Int */;
-long var10 /* : Int */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var9 /* : Bool */;
+int cltype;
+int idtype;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AConcreteMethPropdef */;
+val* var26 /* : null */;
+val* var27 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var28 /* : Int */;
+long var29 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var5;
-var6 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var6->class->vft[COLOR_array__Array__init]))(var6) /* init on <var6:Array[Object]>*/;
-CHECK_NEW_array__Array(var6);
-var_listnode2 = var6;
-var_pformaldefnode1 = var_nodearraylist3;
-var7 = NULL;
-if (var_pformaldefnode1 == NULL) {
-var8 = 0; /* is null */
+var_nodearraylist4 = var5;
+var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var8;
+var_pdocnode2 = var_nodearraylist1;
+/* <var_pdocnode2:nullable Object> isa nullable ADoc */
+cltype = type_nullable_parser_nodes__ADoc.color;
+idtype = type_nullable_parser_nodes__ADoc.id;
+if(var_pdocnode2 == NULL) {
+var9 = 1;
 } else {
-var8 = 1; /* arg is null and recv is not */
+if(cltype >= var_pdocnode2->type->table_size) {
+var9 = 0;
+} else {
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
-if (var8){
-((void (*)(val*, val*))(var_listnode2->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_listnode2, var_pformaldefnode1) /* add on <var_listnode2:Array[Object]>*/;
+}
+if (!var9) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15682);
+show_backtrace(1);
+}
+var_pvisibilitynode4 = var_nodearraylist2;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype11 = type_nullable_parser_nodes__AVisibility.color;
+idtype12 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
+var10 = 1;
+} else {
+if(cltype11 >= var_pvisibilitynode4->type->table_size) {
+var10 = 0;
 } else {
+var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
 }
-var_node_list = var_listnode2;
-var9 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction335> */
-var10 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var9) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var10, var_node_list) /* push on <var_p:Parser>*/;
+}
+if (!var10) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15684);
+show_backtrace(1);
+}
+var_tkwmethnode5 = var_nodearraylist3;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype14 = type_nullable_parser_nodes__TKwmeth.color;
+idtype15 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var13 = 1;
+} else {
+if(cltype14 >= var_tkwmethnode5->type->table_size) {
+var13 = 0;
+} else {
+var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
+}
+}
+if (!var13) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15686);
+show_backtrace(1);
+}
+var_pmethidnode6 = var_nodearraylist4;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype17 = type_nullable_parser_nodes__AMethid.color;
+idtype18 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var16 = 1;
+} else {
+if(cltype17 >= var_pmethidnode6->type->table_size) {
+var16 = 0;
+} else {
+var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
+}
+}
+if (!var16) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15688);
+show_backtrace(1);
+}
+var_psignaturenode7 = var_nodearraylist5;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype20 = type_nullable_parser_nodes__ASignature.color;
+idtype21 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var19 = 1;
+} else {
+if(cltype20 >= var_psignaturenode7->type->table_size) {
+var19 = 0;
+} else {
+var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
+}
+}
+if (!var19) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15690);
+show_backtrace(1);
+}
+var_pexprnode9 = var_nodearraylist7;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype23 = type_nullable_parser_nodes__AExpr.color;
+idtype24 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var22 = 1;
+} else {
+if(cltype23 >= var_pexprnode9->type->table_size) {
+var22 = 0;
+} else {
+var22 = var_pexprnode9->type->type_table[cltype23] == idtype24;
+}
+}
+if (!var22) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15692);
+show_backtrace(1);
+}
+var25 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var26 = NULL;
+var27 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var27, var_pexprnode9) /* init_aconcretemethpropdef on <var25:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var25;
+var_node_list = var_ppropdefnode1;
+var28 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction349> */
+var29 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var28) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var29, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction335#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction335__action(val* self, val* p0) {
-parser__ReduceAction335__action(self, p0);
+/* method parser#ReduceAction349#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction349__action(val* self, val* p0) {
+parser__ReduceAction349__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction336#action for (self: ReduceAction336, Parser) */
-void parser__ReduceAction336__action(val* self, val* p0) {
+/* method parser#ReduceAction350#action for (self: ReduceAction350, Parser) */
+void parser__ReduceAction350__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var6 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var7 /* : Array[Object] */;
-val* var_listnode3 /* var listnode3: Array[Object] */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable Object */;
-val* var_listnode2 /* var listnode2: nullable Object */;
-short int var8 /* : Bool */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
-val* var9 /* : null */;
-short int var10 /* : Bool */;
-val* var11 /* : Array[Object] */;
-long var12 /* : Int */;
-long var13 /* : Int */;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var29 /* : AConcreteMethPropdef */;
+val* var30 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var31 /* : Int */;
+long var32 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var1;
+var_nodearraylist9 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var2;
+var_nodearraylist8 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var3;
+var_nodearraylist7 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var4;
+var_nodearraylist6 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var5;
+var_nodearraylist5 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var6;
-var7 = NEW_array__Array(&type_array__Arraykernel__Object);
-((void (*)(val*))(var7->class->vft[COLOR_array__Array__init]))(var7) /* init on <var7:Array[Object]>*/;
-CHECK_NEW_array__Array(var7);
-var_listnode3 = var7;
-var_pformaldefnode1 = var_nodearraylist3;
-var_listnode2 = var_nodearraylist4;
-/* <var_listnode2:nullable Object> isa Array[Object] */
-cltype = type_array__Arraykernel__Object.color;
-idtype = type_array__Arraykernel__Object.id;
-if(var_listnode2 == NULL) {
-var8 = 0;
+var_nodearraylist4 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
+var_pdocnode2 = var_nodearraylist1;
+/* <var_pdocnode2:nullable Object> isa nullable ADoc */
+cltype = type_nullable_parser_nodes__ADoc.color;
+idtype = type_nullable_parser_nodes__ADoc.id;
+if(var_pdocnode2 == NULL) {
+var10 = 1;
 } else {
-if(cltype >= var_listnode2->type->table_size) {
-var8 = 0;
+if(cltype >= var_pdocnode2->type->table_size) {
+var10 = 0;
 } else {
-var8 = var_listnode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var8) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15355);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15722);
+show_backtrace(1);
 }
-var9 = NULL;
-if (var_pformaldefnode1 == NULL) {
-var10 = 0; /* is null */
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype12 = type_nullable_parser_nodes__TKwredef.color;
+idtype13 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
+var11 = 1;
 } else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (var10){
-((void (*)(val*, val*))(var_listnode3->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_listnode3, var_pformaldefnode1) /* add on <var_listnode3:Array[Object]>*/;
+if(cltype12 >= var_tkwredefnode3->type->table_size) {
+var11 = 0;
 } else {
+var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
 }
-var11 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_parser__ReduceAction__concat]))(self, var_listnode3, var_listnode2) /* concat on <self:ReduceAction336>*/;
-var_listnode3 = var11;
-var_node_list = var_listnode3;
-var12 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction336> */
-var13 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var12) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var13, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
 }
-/* method parser#ReduceAction336#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction336__action(val* self, val* p0) {
-parser__ReduceAction336__action(self, p0);
-RET_LABEL:;
+if (!var11) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15724);
+show_backtrace(1);
 }
-/* method parser#ReduceAction337#action for (self: ReduceAction337, Parser) */
-void parser__ReduceAction337__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable Object */;
-long var4 /* : Int */;
-long var5 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var2;
-var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var3;
-var_pformaldefnode1 = var_nodearraylist3;
-var_node_list = var_pformaldefnode1;
-var4 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction337> */
-var5 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var4) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var5, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_pvisibilitynode4 = var_nodearraylist3;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype15 = type_nullable_parser_nodes__AVisibility.color;
+idtype16 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
+var14 = 1;
+} else {
+if(cltype15 >= var_pvisibilitynode4->type->table_size) {
+var14 = 0;
+} else {
+var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
 }
-/* method parser#ReduceAction337#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction337__action(val* self, val* p0) {
-parser__ReduceAction337__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction338#action for (self: ReduceAction338, Parser) */
-void parser__ReduceAction338__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
-short int var2 /* : Bool */;
-int cltype;
-int idtype;
-val* var3 /* : AFormaldef */;
-val* var4 /* : null */;
-val* var5 /* : null */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
-long var6 /* : Int */;
-long var7 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var1;
-var_tclassidnode2 = var_nodearraylist1;
-/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
-cltype = type_nullable_parser_nodes__TClassid.color;
-idtype = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode2 == NULL) {
-var2 = 1;
+if (!var14) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15726);
+show_backtrace(1);
+}
+var_tkwmethnode5 = var_nodearraylist4;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype18 = type_nullable_parser_nodes__TKwmeth.color;
+idtype19 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var17 = 1;
 } else {
-if(cltype >= var_tclassidnode2->type->table_size) {
-var2 = 0;
+if(cltype18 >= var_tkwmethnode5->type->table_size) {
+var17 = 0;
 } else {
-var2 = var_tclassidnode2->type->type_table[cltype] == idtype;
+var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var2) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15384);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15728);
+show_backtrace(1);
 }
-var3 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
-var4 = NULL;
-var5 = NULL;
-((void (*)(val*, val*, val*, val*))(var3->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var3, var_tclassidnode2, var4, var5) /* init_aformaldef on <var3:AFormaldef>*/;
-CHECK_NEW_parser_nodes__AFormaldef(var3);
-var_pformaldefnode1 = var3;
-var_node_list = var_pformaldefnode1;
-var6 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction338> */
-var7 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var6) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var7, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_pmethidnode6 = var_nodearraylist5;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype21 = type_nullable_parser_nodes__AMethid.color;
+idtype22 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var20 = 1;
+} else {
+if(cltype21 >= var_pmethidnode6->type->table_size) {
+var20 = 0;
+} else {
+var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
 }
-/* method parser#ReduceAction338#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction338__action(val* self, val* p0) {
-parser__ReduceAction338__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction339#action for (self: ReduceAction339, Parser) */
-void parser__ReduceAction339__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
-short int var3 /* : Bool */;
-int cltype;
-int idtype;
-val* var_pannotationsnode4 /* var pannotationsnode4: nullable Object */;
-short int var4 /* : Bool */;
-int cltype5;
-int idtype6;
-val* var7 /* : AFormaldef */;
-val* var8 /* : null */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
-long var9 /* : Int */;
-long var10 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var2;
-var_tclassidnode2 = var_nodearraylist1;
-/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
-cltype = type_nullable_parser_nodes__TClassid.color;
-idtype = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode2 == NULL) {
-var3 = 1;
+if (!var20) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15730);
+show_backtrace(1);
+}
+var_psignaturenode7 = var_nodearraylist6;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype24 = type_nullable_parser_nodes__ASignature.color;
+idtype25 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var23 = 1;
 } else {
-if(cltype >= var_tclassidnode2->type->table_size) {
-var3 = 0;
+if(cltype24 >= var_psignaturenode7->type->table_size) {
+var23 = 0;
 } else {
-var3 = var_tclassidnode2->type->type_table[cltype] == idtype;
+var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
 }
 }
-if (!var3) {
+if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15402);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15732);
+show_backtrace(1);
 }
-var_pannotationsnode4 = var_nodearraylist2;
-/* <var_pannotationsnode4:nullable Object> isa nullable AAnnotations */
-cltype5 = type_nullable_parser_nodes__AAnnotations.color;
-idtype6 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode4 == NULL) {
-var4 = 1;
+var_pexprnode9 = var_nodearraylist8;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype27 = type_nullable_parser_nodes__AExpr.color;
+idtype28 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var26 = 1;
 } else {
-if(cltype5 >= var_pannotationsnode4->type->table_size) {
-var4 = 0;
+if(cltype27 >= var_pexprnode9->type->table_size) {
+var26 = 0;
 } else {
-var4 = var_pannotationsnode4->type->type_table[cltype5] == idtype6;
+var26 = var_pexprnode9->type->type_table[cltype27] == idtype28;
 }
 }
-if (!var4) {
+if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15404);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15734);
+show_backtrace(1);
 }
-var7 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
-var8 = NULL;
-((void (*)(val*, val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var7, var_tclassidnode2, var8, var_pannotationsnode4) /* init_aformaldef on <var7:AFormaldef>*/;
-CHECK_NEW_parser_nodes__AFormaldef(var7);
-var_pformaldefnode1 = var7;
-var_node_list = var_pformaldefnode1;
-var9 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction339> */
-var10 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var9) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var10, var_node_list) /* push on <var_p:Parser>*/;
+var29 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var30 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var29, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var30, var_pexprnode9) /* init_aconcretemethpropdef on <var29:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var29;
+var_node_list = var_ppropdefnode1;
+var31 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction350> */
+var32 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var31) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var32, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction339#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction339__action(val* self, val* p0) {
-parser__ReduceAction339__action(self, p0);
+/* method parser#ReduceAction350#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction350__action(val* self, val* p0) {
+parser__ReduceAction350__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction340#action for (self: ReduceAction340, Parser) */
-void parser__ReduceAction340__action(val* self, val* p0) {
+/* method parser#ReduceAction351#action for (self: ReduceAction351, Parser) */
+void parser__ReduceAction351__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var2 /* : nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var3 /* : nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var4 /* : nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
-short int var3 /* : Bool */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
-val* var_ptypenode3 /* var ptypenode3: nullable Object */;
-short int var4 /* : Bool */;
-int cltype5;
-int idtype6;
-val* var7 /* : AFormaldef */;
-val* var8 /* : null */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
-long var9 /* : Int */;
-long var10 /* : Int */;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var29 /* : AConcreteMethPropdef */;
+val* var30 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var31 /* : Int */;
+long var32 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var1;
+var_nodearraylist9 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var2;
-var_tclassidnode2 = var_nodearraylist1;
-/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
-cltype = type_nullable_parser_nodes__TClassid.color;
-idtype = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode2 == NULL) {
-var3 = 1;
+var_nodearraylist8 = var2;
+var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist7 = var3;
+var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist6 = var4;
+var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist5 = var5;
+var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
+var_pdocnode2 = var_nodearraylist1;
+/* <var_pdocnode2:nullable Object> isa nullable ADoc */
+cltype = type_nullable_parser_nodes__ADoc.color;
+idtype = type_nullable_parser_nodes__ADoc.id;
+if(var_pdocnode2 == NULL) {
+var10 = 1;
 } else {
-if(cltype >= var_tclassidnode2->type->table_size) {
-var3 = 0;
+if(cltype >= var_pdocnode2->type->table_size) {
+var10 = 0;
 } else {
-var3 = var_tclassidnode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var3) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15422);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15764);
+show_backtrace(1);
 }
-var_ptypenode3 = var_nodearraylist2;
-/* <var_ptypenode3:nullable Object> isa nullable AType */
-cltype5 = type_nullable_parser_nodes__AType.color;
-idtype6 = type_nullable_parser_nodes__AType.id;
-if(var_ptypenode3 == NULL) {
-var4 = 1;
+var_pvisibilitynode4 = var_nodearraylist2;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype12 = type_nullable_parser_nodes__AVisibility.color;
+idtype13 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
+var11 = 1;
 } else {
-if(cltype5 >= var_ptypenode3->type->table_size) {
-var4 = 0;
+if(cltype12 >= var_pvisibilitynode4->type->table_size) {
+var11 = 0;
 } else {
-var4 = var_ptypenode3->type->type_table[cltype5] == idtype6;
+var11 = var_pvisibilitynode4->type->type_table[cltype12] == idtype13;
 }
 }
-if (!var4) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15424);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15766);
+show_backtrace(1);
 }
-var7 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
-var8 = NULL;
-((void (*)(val*, val*, val*, val*))(var7->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var7, var_tclassidnode2, var_ptypenode3, var8) /* init_aformaldef on <var7:AFormaldef>*/;
-CHECK_NEW_parser_nodes__AFormaldef(var7);
-var_pformaldefnode1 = var7;
-var_node_list = var_pformaldefnode1;
-var9 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction340> */
-var10 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var9) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var10, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_tkwmethnode5 = var_nodearraylist3;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype15 = type_nullable_parser_nodes__TKwmeth.color;
+idtype16 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var14 = 1;
+} else {
+if(cltype15 >= var_tkwmethnode5->type->table_size) {
+var14 = 0;
+} else {
+var14 = var_tkwmethnode5->type->type_table[cltype15] == idtype16;
 }
-/* method parser#ReduceAction340#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction340__action(val* self, val* p0) {
-parser__ReduceAction340__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction341#action for (self: ReduceAction341, Parser) */
-void parser__ReduceAction341__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tclassidnode2 /* var tclassidnode2: nullable Object */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-val* var_ptypenode3 /* var ptypenode3: nullable Object */;
-short int var5 /* : Bool */;
-int cltype6;
-int idtype7;
-val* var_pannotationsnode4 /* var pannotationsnode4: nullable Object */;
-short int var8 /* : Bool */;
-int cltype9;
-int idtype10;
-val* var11 /* : AFormaldef */;
-val* var_pformaldefnode1 /* var pformaldefnode1: nullable AFormaldef */;
-long var12 /* : Int */;
-long var13 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var2;
-var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var3;
-var_tclassidnode2 = var_nodearraylist1;
-/* <var_tclassidnode2:nullable Object> isa nullable TClassid */
-cltype = type_nullable_parser_nodes__TClassid.color;
-idtype = type_nullable_parser_nodes__TClassid.id;
-if(var_tclassidnode2 == NULL) {
-var4 = 1;
+if (!var14) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15768);
+show_backtrace(1);
+}
+var_pmethidnode6 = var_nodearraylist4;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype18 = type_nullable_parser_nodes__AMethid.color;
+idtype19 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var17 = 1;
 } else {
-if(cltype >= var_tclassidnode2->type->table_size) {
-var4 = 0;
+if(cltype18 >= var_pmethidnode6->type->table_size) {
+var17 = 0;
 } else {
-var4 = var_tclassidnode2->type->type_table[cltype] == idtype;
+var17 = var_pmethidnode6->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var4) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15443);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15770);
+show_backtrace(1);
 }
-var_ptypenode3 = var_nodearraylist3;
-/* <var_ptypenode3:nullable Object> isa nullable AType */
-cltype6 = type_nullable_parser_nodes__AType.color;
-idtype7 = type_nullable_parser_nodes__AType.id;
-if(var_ptypenode3 == NULL) {
-var5 = 1;
+var_psignaturenode7 = var_nodearraylist5;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype21 = type_nullable_parser_nodes__ASignature.color;
+idtype22 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var20 = 1;
+} else {
+if(cltype21 >= var_psignaturenode7->type->table_size) {
+var20 = 0;
+} else {
+var20 = var_psignaturenode7->type->type_table[cltype21] == idtype22;
+}
+}
+if (!var20) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15772);
+show_backtrace(1);
+}
+var_pannotationsnode8 = var_nodearraylist6;
+/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
+cltype24 = type_nullable_parser_nodes__AAnnotations.color;
+idtype25 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode8 == NULL) {
+var23 = 1;
 } else {
-if(cltype6 >= var_ptypenode3->type->table_size) {
-var5 = 0;
+if(cltype24 >= var_pannotationsnode8->type->table_size) {
+var23 = 0;
 } else {
-var5 = var_ptypenode3->type->type_table[cltype6] == idtype7;
+var23 = var_pannotationsnode8->type->type_table[cltype24] == idtype25;
 }
 }
-if (!var5) {
+if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15445);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15774);
+show_backtrace(1);
 }
-var_pannotationsnode4 = var_nodearraylist2;
-/* <var_pannotationsnode4:nullable Object> isa nullable AAnnotations */
-cltype9 = type_nullable_parser_nodes__AAnnotations.color;
-idtype10 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode4 == NULL) {
-var8 = 1;
+var_pexprnode9 = var_nodearraylist8;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype27 = type_nullable_parser_nodes__AExpr.color;
+idtype28 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var26 = 1;
 } else {
-if(cltype9 >= var_pannotationsnode4->type->table_size) {
-var8 = 0;
+if(cltype27 >= var_pexprnode9->type->table_size) {
+var26 = 0;
 } else {
-var8 = var_pannotationsnode4->type->type_table[cltype9] == idtype10;
+var26 = var_pexprnode9->type->type_table[cltype27] == idtype28;
 }
 }
-if (!var8) {
+if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15447);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15776);
+show_backtrace(1);
 }
-var11 = NEW_parser_nodes__AFormaldef(&type_parser_nodes__AFormaldef);
-((void (*)(val*, val*, val*, val*))(var11->class->vft[COLOR_parser_prod__AFormaldef__init_aformaldef]))(var11, var_tclassidnode2, var_ptypenode3, var_pannotationsnode4) /* init_aformaldef on <var11:AFormaldef>*/;
-CHECK_NEW_parser_nodes__AFormaldef(var11);
-var_pformaldefnode1 = var11;
-var_node_list = var_pformaldefnode1;
-var12 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction341> */
-var13 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var12) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var13, var_node_list) /* push on <var_p:Parser>*/;
+var29 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var30 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var29, var_pdocnode2, var30, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var29:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var29;
+var_node_list = var_ppropdefnode1;
+var31 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction351> */
+var32 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var31) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var32, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction341#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction341__action(val* self, val* p0) {
-parser__ReduceAction341__action(self, p0);
+/* method parser#ReduceAction351#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction351__action(val* self, val* p0) {
+parser__ReduceAction351__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction342#action for (self: ReduceAction342, Parser) */
-void parser__ReduceAction342__action(val* self, val* p0) {
+/* method parser#ReduceAction352#action for (self: ReduceAction352, Parser) */
+void parser__ReduceAction352__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var4 /* : nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var5 /* : nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var6 /* : nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var9 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var10 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwsupernode2 /* var tkwsupernode2: nullable Object */;
-short int var5 /* : Bool */;
+val* var_pdocnode2 /* var pdocnode2: nullable Object */;
+short int var11 /* : Bool */;
 int cltype;
 int idtype;
-val* var_ptypenode3 /* var ptypenode3: nullable Object */;
-short int var6 /* : Bool */;
-int cltype7;
-int idtype8;
-val* var9 /* : ASuperclass */;
-val* var10 /* : null */;
-val* var_psuperclassnode1 /* var psuperclassnode1: nullable ASuperclass */;
-long var11 /* : Int */;
-long var12 /* : Int */;
+val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
+val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
+short int var27 /* : Bool */;
+int cltype28;
+int idtype29;
+val* var_pexprnode9 /* var pexprnode9: nullable Object */;
+short int var30 /* : Bool */;
+int cltype31;
+int idtype32;
+val* var33 /* : AConcreteMethPropdef */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
+long var34 /* : Int */;
+long var35 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var1;
+var_nodearraylist10 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var2;
+var_nodearraylist9 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var3;
+var_nodearraylist8 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var4;
-var_tkwsupernode2 = var_nodearraylist2;
-/* <var_tkwsupernode2:nullable Object> isa nullable TKwsuper */
-cltype = type_nullable_parser_nodes__TKwsuper.color;
-idtype = type_nullable_parser_nodes__TKwsuper.id;
-if(var_tkwsupernode2 == NULL) {
-var5 = 1;
+var_nodearraylist7 = var4;
+var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist6 = var5;
+var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist5 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist4 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist3 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var9;
+var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var10;
+var_pdocnode2 = var_nodearraylist1;
+/* <var_pdocnode2:nullable Object> isa nullable ADoc */
+cltype = type_nullable_parser_nodes__ADoc.color;
+idtype = type_nullable_parser_nodes__ADoc.id;
+if(var_pdocnode2 == NULL) {
+var11 = 1;
 } else {
-if(cltype >= var_tkwsupernode2->type->table_size) {
-var5 = 0;
+if(cltype >= var_pdocnode2->type->table_size) {
+var11 = 0;
 } else {
-var5 = var_tkwsupernode2->type->type_table[cltype] == idtype;
+var11 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var5) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15467);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15807);
+show_backtrace(1);
 }
-var_ptypenode3 = var_nodearraylist4;
-/* <var_ptypenode3:nullable Object> isa nullable AType */
-cltype7 = type_nullable_parser_nodes__AType.color;
-idtype8 = type_nullable_parser_nodes__AType.id;
-if(var_ptypenode3 == NULL) {
-var6 = 1;
+var_tkwredefnode3 = var_nodearraylist2;
+/* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
+cltype13 = type_nullable_parser_nodes__TKwredef.color;
+idtype14 = type_nullable_parser_nodes__TKwredef.id;
+if(var_tkwredefnode3 == NULL) {
+var12 = 1;
 } else {
-if(cltype7 >= var_ptypenode3->type->table_size) {
-var6 = 0;
+if(cltype13 >= var_tkwredefnode3->type->table_size) {
+var12 = 0;
 } else {
-var6 = var_ptypenode3->type->type_table[cltype7] == idtype8;
+var12 = var_tkwredefnode3->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var6) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15469);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15809);
+show_backtrace(1);
 }
-var9 = NEW_parser_nodes__ASuperclass(&type_parser_nodes__ASuperclass);
-var10 = NULL;
-((void (*)(val*, val*, val*, val*))(var9->class->vft[COLOR_parser_prod__ASuperclass__init_asuperclass]))(var9, var_tkwsupernode2, var_ptypenode3, var10) /* init_asuperclass on <var9:ASuperclass>*/;
-CHECK_NEW_parser_nodes__ASuperclass(var9);
-var_psuperclassnode1 = var9;
-var_node_list = var_psuperclassnode1;
-var11 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction342> */
-var12 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var11) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var12, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_pvisibilitynode4 = var_nodearraylist3;
+/* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
+cltype16 = type_nullable_parser_nodes__AVisibility.color;
+idtype17 = type_nullable_parser_nodes__AVisibility.id;
+if(var_pvisibilitynode4 == NULL) {
+var15 = 1;
+} else {
+if(cltype16 >= var_pvisibilitynode4->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_pvisibilitynode4->type->type_table[cltype16] == idtype17;
 }
-/* method parser#ReduceAction342#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction342__action(val* self, val* p0) {
-parser__ReduceAction342__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction343#action for (self: ReduceAction343, Parser) */
-void parser__ReduceAction343__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var3 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var4 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var5 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_tkwsupernode2 /* var tkwsupernode2: nullable Object */;
-short int var6 /* : Bool */;
-int cltype;
-int idtype;
-val* var_ptypenode3 /* var ptypenode3: nullable Object */;
-short int var7 /* : Bool */;
-int cltype8;
-int idtype9;
-val* var_pannotationsnode4 /* var pannotationsnode4: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
-val* var13 /* : ASuperclass */;
-val* var_psuperclassnode1 /* var psuperclassnode1: nullable ASuperclass */;
-long var14 /* : Int */;
-long var15 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var2;
-var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var3;
-var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var4;
-var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var5;
-var_tkwsupernode2 = var_nodearraylist2;
-/* <var_tkwsupernode2:nullable Object> isa nullable TKwsuper */
-cltype = type_nullable_parser_nodes__TKwsuper.color;
-idtype = type_nullable_parser_nodes__TKwsuper.id;
-if(var_tkwsupernode2 == NULL) {
-var6 = 1;
+if (!var15) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15811);
+show_backtrace(1);
+}
+var_tkwmethnode5 = var_nodearraylist4;
+/* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
+cltype19 = type_nullable_parser_nodes__TKwmeth.color;
+idtype20 = type_nullable_parser_nodes__TKwmeth.id;
+if(var_tkwmethnode5 == NULL) {
+var18 = 1;
 } else {
-if(cltype >= var_tkwsupernode2->type->table_size) {
-var6 = 0;
+if(cltype19 >= var_tkwmethnode5->type->table_size) {
+var18 = 0;
 } else {
-var6 = var_tkwsupernode2->type->type_table[cltype] == idtype;
+var18 = var_tkwmethnode5->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var6) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15490);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15813);
+show_backtrace(1);
 }
-var_ptypenode3 = var_nodearraylist4;
-/* <var_ptypenode3:nullable Object> isa nullable AType */
-cltype8 = type_nullable_parser_nodes__AType.color;
-idtype9 = type_nullable_parser_nodes__AType.id;
-if(var_ptypenode3 == NULL) {
-var7 = 1;
+var_pmethidnode6 = var_nodearraylist5;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype22 = type_nullable_parser_nodes__AMethid.color;
+idtype23 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var21 = 1;
 } else {
-if(cltype8 >= var_ptypenode3->type->table_size) {
-var7 = 0;
+if(cltype22 >= var_pmethidnode6->type->table_size) {
+var21 = 0;
 } else {
-var7 = var_ptypenode3->type->type_table[cltype8] == idtype9;
+var21 = var_pmethidnode6->type->type_table[cltype22] == idtype23;
 }
 }
-if (!var7) {
+if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15492);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15815);
+show_backtrace(1);
 }
-var_pannotationsnode4 = var_nodearraylist5;
-/* <var_pannotationsnode4:nullable Object> isa nullable AAnnotations */
-cltype11 = type_nullable_parser_nodes__AAnnotations.color;
-idtype12 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode4 == NULL) {
-var10 = 1;
+var_psignaturenode7 = var_nodearraylist6;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype25 = type_nullable_parser_nodes__ASignature.color;
+idtype26 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var24 = 1;
 } else {
-if(cltype11 >= var_pannotationsnode4->type->table_size) {
-var10 = 0;
+if(cltype25 >= var_psignaturenode7->type->table_size) {
+var24 = 0;
 } else {
-var10 = var_pannotationsnode4->type->type_table[cltype11] == idtype12;
+var24 = var_psignaturenode7->type->type_table[cltype25] == idtype26;
 }
 }
-if (!var10) {
+if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15494);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15817);
+show_backtrace(1);
 }
-var13 = NEW_parser_nodes__ASuperclass(&type_parser_nodes__ASuperclass);
-((void (*)(val*, val*, val*, val*))(var13->class->vft[COLOR_parser_prod__ASuperclass__init_asuperclass]))(var13, var_tkwsupernode2, var_ptypenode3, var_pannotationsnode4) /* init_asuperclass on <var13:ASuperclass>*/;
-CHECK_NEW_parser_nodes__ASuperclass(var13);
-var_psuperclassnode1 = var13;
-var_node_list = var_psuperclassnode1;
-var14 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction343> */
-var15 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var14) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var15, var_node_list) /* push on <var_p:Parser>*/;
-RET_LABEL:;
+var_pannotationsnode8 = var_nodearraylist7;
+/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
+cltype28 = type_nullable_parser_nodes__AAnnotations.color;
+idtype29 = type_nullable_parser_nodes__AAnnotations.id;
+if(var_pannotationsnode8 == NULL) {
+var27 = 1;
+} else {
+if(cltype28 >= var_pannotationsnode8->type->table_size) {
+var27 = 0;
+} else {
+var27 = var_pannotationsnode8->type->type_table[cltype28] == idtype29;
 }
-/* method parser#ReduceAction343#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction343__action(val* self, val* p0) {
-parser__ReduceAction343__action(self, p0);
-RET_LABEL:;
 }
-/* method parser#ReduceAction344#action for (self: ReduceAction344, Parser) */
-void parser__ReduceAction344__action(val* self, val* p0) {
-val* var_p /* var p: Parser */;
-val* var /* : null */;
-val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable Object */;
-long var3 /* : Int */;
-long var4 /* : Int */;
-var_p = p0;
-var = NULL;
-var_node_list = var;
-var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var1;
-var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var2;
-var_ppropdefnode1 = var_nodearraylist1;
+if (!var27) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15819);
+show_backtrace(1);
+}
+var_pexprnode9 = var_nodearraylist9;
+/* <var_pexprnode9:nullable Object> isa nullable AExpr */
+cltype31 = type_nullable_parser_nodes__AExpr.color;
+idtype32 = type_nullable_parser_nodes__AExpr.id;
+if(var_pexprnode9 == NULL) {
+var30 = 1;
+} else {
+if(cltype31 >= var_pexprnode9->type->table_size) {
+var30 = 0;
+} else {
+var30 = var_pexprnode9->type->type_table[cltype31] == idtype32;
+}
+}
+if (!var30) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15821);
+show_backtrace(1);
+}
+var33 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var33->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var33, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var33:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var33;
 var_node_list = var_ppropdefnode1;
-var3 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction344> */
-var4 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var3) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var4, var_node_list) /* push on <var_p:Parser>*/;
+var34 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction352> */
+var35 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var34) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var35, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction344#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction344__action(val* self, val* p0) {
-parser__ReduceAction344__action(self, p0);
+/* method parser#ReduceAction352#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction352__action(val* self, val* p0) {
+parser__ReduceAction352__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction345#action for (self: ReduceAction345, Parser) */
-void parser__ReduceAction345__action(val* self, val* p0) {
+/* method parser#ReduceAction353#action for (self: ReduceAction353, Parser) */
+void parser__ReduceAction353__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var7 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var8 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var9 /* : Bool */;
-int cltype10;
-int idtype11;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
 val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
-val* var24 /* : AConcreteMethPropdef */;
-val* var25 /* : null */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AConcreteMethPropdef */;
 val* var26 /* : null */;
+val* var27 /* : null */;
 val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var27 /* : Int */;
 long var28 /* : Int */;
+long var29 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var7;
+var_nodearraylist2 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var8 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var8 = 0;
+var9 = 0;
 } else {
-var8 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var8) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15529);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15850);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype10 = type_nullable_parser_nodes__AVisibility.color;
-idtype11 = type_nullable_parser_nodes__AVisibility.id;
+cltype11 = type_nullable_parser_nodes__AVisibility.color;
+idtype12 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var9 = 1;
+var10 = 1;
 } else {
-if(cltype10 >= var_pvisibilitynode4->type->table_size) {
-var9 = 0;
+if(cltype11 >= var_pvisibilitynode4->type->table_size) {
+var10 = 0;
 } else {
-var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
+var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var9) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15531);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15852);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype13 = type_nullable_parser_nodes__TKwmeth.color;
-idtype14 = type_nullable_parser_nodes__TKwmeth.id;
+cltype14 = type_nullable_parser_nodes__TKwmeth.color;
+idtype15 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var12 = 1;
+var13 = 1;
 } else {
-if(cltype13 >= var_tkwmethnode5->type->table_size) {
-var12 = 0;
+if(cltype14 >= var_tkwmethnode5->type->table_size) {
+var13 = 0;
 } else {
-var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
+var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var12) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15533);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15854);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype16 = type_nullable_parser_nodes__AMethid.color;
-idtype17 = type_nullable_parser_nodes__AMethid.id;
+cltype17 = type_nullable_parser_nodes__AMethid.color;
+idtype18 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var15 = 1;
+var16 = 1;
 } else {
-if(cltype16 >= var_pmethidnode6->type->table_size) {
-var15 = 0;
+if(cltype17 >= var_pmethidnode6->type->table_size) {
+var16 = 0;
 } else {
-var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
+var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var15) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15535);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15856);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
-/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype19 = type_nullable_parser_nodes__ASignature.color;
-idtype20 = type_nullable_parser_nodes__ASignature.id;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype20 = type_nullable_parser_nodes__ASignature.color;
+idtype21 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var18 = 1;
+var19 = 1;
 } else {
-if(cltype19 >= var_psignaturenode7->type->table_size) {
-var18 = 0;
+if(cltype20 >= var_psignaturenode7->type->table_size) {
+var19 = 0;
 } else {
-var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
+var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var18) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15537);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15858);
+show_backtrace(1);
 }
-var_pexprnode9 = var_nodearraylist7;
+var_pexprnode9 = var_nodearraylist8;
 /* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype22 = type_nullable_parser_nodes__AExpr.color;
-idtype23 = type_nullable_parser_nodes__AExpr.id;
+cltype23 = type_nullable_parser_nodes__AExpr.color;
+idtype24 = type_nullable_parser_nodes__AExpr.id;
 if(var_pexprnode9 == NULL) {
-var21 = 1;
+var22 = 1;
 } else {
-if(cltype22 >= var_pexprnode9->type->table_size) {
-var21 = 0;
+if(cltype23 >= var_pexprnode9->type->table_size) {
+var22 = 0;
 } else {
-var21 = var_pexprnode9->type->type_table[cltype22] == idtype23;
+var22 = var_pexprnode9->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var21) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15539);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15860);
+show_backtrace(1);
 }
-var24 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var25 = NULL;
+var25 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
 var26 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var24->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var24, var_pdocnode2, var25, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var26, var_pexprnode9) /* init_aconcretemethpropdef on <var24:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var24);
-var_ppropdefnode1 = var24;
+var27 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var27, var_pexprnode9) /* init_aconcretemethpropdef on <var25:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var27 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction345> */
-var28 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var27) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var28, var_node_list) /* push on <var_p:Parser>*/;
+var28 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction353> */
+var29 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var28) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var29, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction345#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction345__action(val* self, val* p0) {
-parser__ReduceAction345__action(self, p0);
+/* method parser#ReduceAction353#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction353__action(val* self, val* p0) {
+parser__ReduceAction353__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction346#action for (self: ReduceAction346, Parser) */
-void parser__ReduceAction346__action(val* self, val* p0) {
+/* method parser#ReduceAction354#action for (self: ReduceAction354, Parser) */
+void parser__ReduceAction354__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var9 /* : Bool */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
 val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-val* var28 /* : AConcreteMethPropdef */;
-val* var29 /* : null */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var29 /* : AConcreteMethPropdef */;
+val* var30 /* : null */;
 val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var30 /* : Int */;
 long var31 /* : Int */;
+long var32 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var1;
+var_nodearraylist9 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var2;
+var_nodearraylist8 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var3;
+var_nodearraylist7 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var4;
+var_nodearraylist6 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var5;
+var_nodearraylist5 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var6;
+var_nodearraylist4 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var7;
+var_nodearraylist3 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var8;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var9 = 1;
+var10 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var9 = 0;
+var10 = 0;
 } else {
-var9 = var_pdocnode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var9) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15568);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15890);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype11 = type_nullable_parser_nodes__TKwredef.color;
-idtype12 = type_nullable_parser_nodes__TKwredef.id;
+cltype12 = type_nullable_parser_nodes__TKwredef.color;
+idtype13 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var10 = 1;
+var11 = 1;
 } else {
-if(cltype11 >= var_tkwredefnode3->type->table_size) {
-var10 = 0;
+if(cltype12 >= var_tkwredefnode3->type->table_size) {
+var11 = 0;
 } else {
-var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
+var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
 }
 }
-if (!var10) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15570);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15892);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype14 = type_nullable_parser_nodes__AVisibility.color;
-idtype15 = type_nullable_parser_nodes__AVisibility.id;
+cltype15 = type_nullable_parser_nodes__AVisibility.color;
+idtype16 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var13 = 1;
+var14 = 1;
 } else {
-if(cltype14 >= var_pvisibilitynode4->type->table_size) {
-var13 = 0;
+if(cltype15 >= var_pvisibilitynode4->type->table_size) {
+var14 = 0;
 } else {
-var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
+var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
 }
 }
-if (!var13) {
+if (!var14) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15572);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15894);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype17 = type_nullable_parser_nodes__TKwmeth.color;
-idtype18 = type_nullable_parser_nodes__TKwmeth.id;
+cltype18 = type_nullable_parser_nodes__TKwmeth.color;
+idtype19 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var16 = 1;
+var17 = 1;
 } else {
-if(cltype17 >= var_tkwmethnode5->type->table_size) {
-var16 = 0;
+if(cltype18 >= var_tkwmethnode5->type->table_size) {
+var17 = 0;
 } else {
-var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
+var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var16) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15574);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15896);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype20 = type_nullable_parser_nodes__AMethid.color;
-idtype21 = type_nullable_parser_nodes__AMethid.id;
+cltype21 = type_nullable_parser_nodes__AMethid.color;
+idtype22 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var19 = 1;
+var20 = 1;
 } else {
-if(cltype20 >= var_pmethidnode6->type->table_size) {
-var19 = 0;
+if(cltype21 >= var_pmethidnode6->type->table_size) {
+var20 = 0;
 } else {
-var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
+var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var19) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15576);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15898);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype23 = type_nullable_parser_nodes__ASignature.color;
-idtype24 = type_nullable_parser_nodes__ASignature.id;
+cltype24 = type_nullable_parser_nodes__ASignature.color;
+idtype25 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var22 = 1;
+var23 = 1;
 } else {
-if(cltype23 >= var_psignaturenode7->type->table_size) {
-var22 = 0;
+if(cltype24 >= var_psignaturenode7->type->table_size) {
+var23 = 0;
 } else {
-var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
+var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
 }
 }
-if (!var22) {
+if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15578);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15900);
+show_backtrace(1);
 }
-var_pexprnode9 = var_nodearraylist8;
+var_pexprnode9 = var_nodearraylist9;
 /* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype26 = type_nullable_parser_nodes__AExpr.color;
-idtype27 = type_nullable_parser_nodes__AExpr.id;
+cltype27 = type_nullable_parser_nodes__AExpr.color;
+idtype28 = type_nullable_parser_nodes__AExpr.id;
 if(var_pexprnode9 == NULL) {
-var25 = 1;
+var26 = 1;
 } else {
-if(cltype26 >= var_pexprnode9->type->table_size) {
-var25 = 0;
+if(cltype27 >= var_pexprnode9->type->table_size) {
+var26 = 0;
 } else {
-var25 = var_pexprnode9->type->type_table[cltype26] == idtype27;
+var26 = var_pexprnode9->type->type_table[cltype27] == idtype28;
 }
 }
-if (!var25) {
+if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15580);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15902);
+show_backtrace(1);
 }
-var28 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var29 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var28->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var28, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var29, var_pexprnode9) /* init_aconcretemethpropdef on <var28:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var28);
-var_ppropdefnode1 = var28;
+var29 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
+var30 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var29, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var30, var_pexprnode9) /* init_aconcretemethpropdef on <var29:AConcreteMethPropdef>*/;
+var_ppropdefnode1 = var29;
 var_node_list = var_ppropdefnode1;
-var30 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction346> */
-var31 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var30) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var31, var_node_list) /* push on <var_p:Parser>*/;
+var31 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction354> */
+var32 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var31) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var32, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction346#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction346__action(val* self, val* p0) {
-parser__ReduceAction346__action(self, p0);
+/* method parser#ReduceAction354#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction354__action(val* self, val* p0) {
+parser__ReduceAction354__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction347#action for (self: ReduceAction347, Parser) */
-void parser__ReduceAction347__action(val* self, val* p0) {
+/* method parser#ReduceAction355#action for (self: ReduceAction355, Parser) */
+void parser__ReduceAction355__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
-val* var1 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var1 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var9 /* : Bool */;
+short int var7 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var8 /* : Bool */;
+int cltype9;
+int idtype10;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
 val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-val* var28 /* : AConcreteMethPropdef */;
-val* var29 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var30 /* : Int */;
-long var31 /* : Int */;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
+val* var23 /* : ADeferredMethPropdef */;
+val* var24 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
+long var25 /* : Int */;
+long var26 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var1;
+var_nodearraylist6 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var2;
+var_nodearraylist5 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var3;
+var_nodearraylist4 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var4;
+var_nodearraylist3 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var5;
+var_nodearraylist2 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var6;
-var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var8;
+var_nodearraylist1 = var6;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var9 = 1;
+var7 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var9 = 0;
+var7 = 0;
 } else {
-var9 = var_pdocnode2->type->type_table[cltype] == idtype;
+var7 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var9) {
+if (!var7) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15609);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15929);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype11 = type_nullable_parser_nodes__AVisibility.color;
-idtype12 = type_nullable_parser_nodes__AVisibility.id;
+cltype9 = type_nullable_parser_nodes__AVisibility.color;
+idtype10 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var10 = 1;
+var8 = 1;
 } else {
-if(cltype11 >= var_pvisibilitynode4->type->table_size) {
-var10 = 0;
+if(cltype9 >= var_pvisibilitynode4->type->table_size) {
+var8 = 0;
 } else {
-var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
+var8 = var_pvisibilitynode4->type->type_table[cltype9] == idtype10;
 }
 }
-if (!var10) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15611);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15931);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype14 = type_nullable_parser_nodes__TKwmeth.color;
-idtype15 = type_nullable_parser_nodes__TKwmeth.id;
+cltype12 = type_nullable_parser_nodes__TKwmeth.color;
+idtype13 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var13 = 1;
+var11 = 1;
 } else {
-if(cltype14 >= var_tkwmethnode5->type->table_size) {
-var13 = 0;
+if(cltype12 >= var_tkwmethnode5->type->table_size) {
+var11 = 0;
 } else {
-var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
+var11 = var_tkwmethnode5->type->type_table[cltype12] == idtype13;
 }
 }
-if (!var13) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15613);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15933);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype17 = type_nullable_parser_nodes__AMethid.color;
-idtype18 = type_nullable_parser_nodes__AMethid.id;
+cltype15 = type_nullable_parser_nodes__AMethid.color;
+idtype16 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var16 = 1;
+var14 = 1;
 } else {
-if(cltype17 >= var_pmethidnode6->type->table_size) {
-var16 = 0;
+if(cltype15 >= var_pmethidnode6->type->table_size) {
+var14 = 0;
 } else {
-var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
+var14 = var_pmethidnode6->type->type_table[cltype15] == idtype16;
 }
 }
-if (!var16) {
+if (!var14) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15615);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15935);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype20 = type_nullable_parser_nodes__ASignature.color;
-idtype21 = type_nullable_parser_nodes__ASignature.id;
+cltype18 = type_nullable_parser_nodes__ASignature.color;
+idtype19 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var19 = 1;
+var17 = 1;
 } else {
-if(cltype20 >= var_psignaturenode7->type->table_size) {
-var19 = 0;
+if(cltype18 >= var_psignaturenode7->type->table_size) {
+var17 = 0;
 } else {
-var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
+var17 = var_psignaturenode7->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var19) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15617);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15937);
+show_backtrace(1);
 }
 var_pannotationsnode8 = var_nodearraylist6;
 /* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
-cltype23 = type_nullable_parser_nodes__AAnnotations.color;
-idtype24 = type_nullable_parser_nodes__AAnnotations.id;
+cltype21 = type_nullable_parser_nodes__AAnnotations.color;
+idtype22 = type_nullable_parser_nodes__AAnnotations.id;
 if(var_pannotationsnode8 == NULL) {
-var22 = 1;
-} else {
-if(cltype23 >= var_pannotationsnode8->type->table_size) {
-var22 = 0;
-} else {
-var22 = var_pannotationsnode8->type->type_table[cltype23] == idtype24;
-}
-}
-if (!var22) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15619);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist8;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype26 = type_nullable_parser_nodes__AExpr.color;
-idtype27 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var25 = 1;
+var20 = 1;
 } else {
-if(cltype26 >= var_pexprnode9->type->table_size) {
-var25 = 0;
+if(cltype21 >= var_pannotationsnode8->type->table_size) {
+var20 = 0;
 } else {
-var25 = var_pexprnode9->type->type_table[cltype26] == idtype27;
+var20 = var_pannotationsnode8->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var25) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15621);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15939);
+show_backtrace(1);
 }
-var28 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var29 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var28->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var28, var_pdocnode2, var29, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var28:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var28);
-var_ppropdefnode1 = var28;
+var23 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
+var24 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var23->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var23, var_pdocnode2, var24, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8) /* init_adeferredmethpropdef on <var23:ADeferredMethPropdef>*/;
+var_ppropdefnode1 = var23;
 var_node_list = var_ppropdefnode1;
-var30 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction347> */
-var31 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var30) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var31, var_node_list) /* push on <var_p:Parser>*/;
+var25 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction355> */
+var26 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var25) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var26, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction347#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction347__action(val* self, val* p0) {
-parser__ReduceAction347__action(self, p0);
+/* method parser#ReduceAction355#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction355__action(val* self, val* p0) {
+parser__ReduceAction355__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction348#action for (self: ReduceAction348, Parser) */
-void parser__ReduceAction348__action(val* self, val* p0) {
+/* method parser#ReduceAction356#action for (self: ReduceAction356, Parser) */
+void parser__ReduceAction356__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var3 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var10 /* : Bool */;
+short int var8 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
 val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var29 /* : Bool */;
-int cltype30;
-int idtype31;
-val* var32 /* : AConcreteMethPropdef */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var33 /* : Int */;
-long var34 /* : Int */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+val* var27 /* : ADeferredMethPropdef */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
+long var28 /* : Int */;
+long var29 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var1;
+var_nodearraylist7 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var2;
+var_nodearraylist6 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var3;
+var_nodearraylist5 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var4;
+var_nodearraylist4 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var5;
+var_nodearraylist3 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var6;
+var_nodearraylist2 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var9;
+var_nodearraylist1 = var7;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var10 = 1;
+var8 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var10 = 0;
+var8 = 0;
 } else {
-var10 = var_pdocnode2->type->type_table[cltype] == idtype;
+var8 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var10) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15651);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15966);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype12 = type_nullable_parser_nodes__TKwredef.color;
-idtype13 = type_nullable_parser_nodes__TKwredef.id;
+cltype10 = type_nullable_parser_nodes__TKwredef.color;
+idtype11 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var11 = 1;
+var9 = 1;
 } else {
-if(cltype12 >= var_tkwredefnode3->type->table_size) {
-var11 = 0;
+if(cltype10 >= var_tkwredefnode3->type->table_size) {
+var9 = 0;
 } else {
-var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
+var9 = var_tkwredefnode3->type->type_table[cltype10] == idtype11;
 }
 }
-if (!var11) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15653);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15968);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype15 = type_nullable_parser_nodes__AVisibility.color;
-idtype16 = type_nullable_parser_nodes__AVisibility.id;
+cltype13 = type_nullable_parser_nodes__AVisibility.color;
+idtype14 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var14 = 1;
+var12 = 1;
 } else {
-if(cltype15 >= var_pvisibilitynode4->type->table_size) {
-var14 = 0;
+if(cltype13 >= var_pvisibilitynode4->type->table_size) {
+var12 = 0;
 } else {
-var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
+var12 = var_pvisibilitynode4->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var14) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15655);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15970);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype18 = type_nullable_parser_nodes__TKwmeth.color;
-idtype19 = type_nullable_parser_nodes__TKwmeth.id;
+cltype16 = type_nullable_parser_nodes__TKwmeth.color;
+idtype17 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var17 = 1;
+var15 = 1;
 } else {
-if(cltype18 >= var_tkwmethnode5->type->table_size) {
-var17 = 0;
+if(cltype16 >= var_tkwmethnode5->type->table_size) {
+var15 = 0;
 } else {
-var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
+var15 = var_tkwmethnode5->type->type_table[cltype16] == idtype17;
 }
 }
-if (!var17) {
+if (!var15) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15657);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15972);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype21 = type_nullable_parser_nodes__AMethid.color;
-idtype22 = type_nullable_parser_nodes__AMethid.id;
+cltype19 = type_nullable_parser_nodes__AMethid.color;
+idtype20 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var20 = 1;
+var18 = 1;
 } else {
-if(cltype21 >= var_pmethidnode6->type->table_size) {
-var20 = 0;
+if(cltype19 >= var_pmethidnode6->type->table_size) {
+var18 = 0;
 } else {
-var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
+var18 = var_pmethidnode6->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var20) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15659);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15974);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype24 = type_nullable_parser_nodes__ASignature.color;
-idtype25 = type_nullable_parser_nodes__ASignature.id;
+cltype22 = type_nullable_parser_nodes__ASignature.color;
+idtype23 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var23 = 1;
+var21 = 1;
 } else {
-if(cltype24 >= var_psignaturenode7->type->table_size) {
-var23 = 0;
+if(cltype22 >= var_psignaturenode7->type->table_size) {
+var21 = 0;
 } else {
-var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
+var21 = var_psignaturenode7->type->type_table[cltype22] == idtype23;
 }
 }
-if (!var23) {
+if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15661);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15976);
+show_backtrace(1);
 }
 var_pannotationsnode8 = var_nodearraylist7;
 /* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
-cltype27 = type_nullable_parser_nodes__AAnnotations.color;
-idtype28 = type_nullable_parser_nodes__AAnnotations.id;
+cltype25 = type_nullable_parser_nodes__AAnnotations.color;
+idtype26 = type_nullable_parser_nodes__AAnnotations.id;
 if(var_pannotationsnode8 == NULL) {
-var26 = 1;
-} else {
-if(cltype27 >= var_pannotationsnode8->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_pannotationsnode8->type->type_table[cltype27] == idtype28;
-}
-}
-if (!var26) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15663);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist9;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype30 = type_nullable_parser_nodes__AExpr.color;
-idtype31 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var29 = 1;
+var24 = 1;
 } else {
-if(cltype30 >= var_pexprnode9->type->table_size) {
-var29 = 0;
+if(cltype25 >= var_pannotationsnode8->type->table_size) {
+var24 = 0;
 } else {
-var29 = var_pexprnode9->type->type_table[cltype30] == idtype31;
+var24 = var_pannotationsnode8->type->type_table[cltype25] == idtype26;
 }
 }
-if (!var29) {
+if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15665);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15978);
+show_backtrace(1);
 }
-var32 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var32->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var32, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var32:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var32);
-var_ppropdefnode1 = var32;
+var27 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var27->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var27, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8) /* init_adeferredmethpropdef on <var27:ADeferredMethPropdef>*/;
+var_ppropdefnode1 = var27;
 var_node_list = var_ppropdefnode1;
-var33 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction348> */
-var34 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var33) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var34, var_node_list) /* push on <var_p:Parser>*/;
+var28 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction356> */
+var29 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var28) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var29, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction348#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction348__action(val* self, val* p0) {
-parser__ReduceAction348__action(self, p0);
+/* method parser#ReduceAction356#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction356__action(val* self, val* p0) {
+parser__ReduceAction356__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction349#action for (self: ReduceAction349, Parser) */
-void parser__ReduceAction349__action(val* self, val* p0) {
+/* method parser#ReduceAction357#action for (self: ReduceAction357, Parser) */
+void parser__ReduceAction357__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var2 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var9 /* : Bool */;
+short int var8 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var25 /* : AConcreteMethPropdef */;
-val* var26 /* : null */;
-val* var27 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var28 /* : Int */;
-long var29 /* : Int */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+val* var21 /* : ADeferredMethPropdef */;
+val* var22 /* : null */;
+val* var23 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
+long var24 /* : Int */;
+long var25 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var1;
+var_nodearraylist7 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var2;
+var_nodearraylist6 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var3;
+var_nodearraylist5 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var4;
+var_nodearraylist4 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var5;
+var_nodearraylist3 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var6;
+var_nodearraylist2 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var8;
+var_nodearraylist1 = var7;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var9 = 1;
+var8 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var9 = 0;
+var8 = 0;
 } else {
-var9 = var_pdocnode2->type->type_table[cltype] == idtype;
+var8 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var9) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15694);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16005);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype11 = type_nullable_parser_nodes__AVisibility.color;
-idtype12 = type_nullable_parser_nodes__AVisibility.id;
+cltype10 = type_nullable_parser_nodes__AVisibility.color;
+idtype11 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var10 = 1;
+var9 = 1;
 } else {
-if(cltype11 >= var_pvisibilitynode4->type->table_size) {
-var10 = 0;
+if(cltype10 >= var_pvisibilitynode4->type->table_size) {
+var9 = 0;
 } else {
-var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
+var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
 }
 }
-if (!var10) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15696);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16007);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype14 = type_nullable_parser_nodes__TKwmeth.color;
-idtype15 = type_nullable_parser_nodes__TKwmeth.id;
+cltype13 = type_nullable_parser_nodes__TKwmeth.color;
+idtype14 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var13 = 1;
+var12 = 1;
 } else {
-if(cltype14 >= var_tkwmethnode5->type->table_size) {
-var13 = 0;
+if(cltype13 >= var_tkwmethnode5->type->table_size) {
+var12 = 0;
 } else {
-var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
+var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var13) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15698);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16009);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype17 = type_nullable_parser_nodes__AMethid.color;
-idtype18 = type_nullable_parser_nodes__AMethid.id;
+cltype16 = type_nullable_parser_nodes__AMethid.color;
+idtype17 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var16 = 1;
+var15 = 1;
 } else {
-if(cltype17 >= var_pmethidnode6->type->table_size) {
-var16 = 0;
+if(cltype16 >= var_pmethidnode6->type->table_size) {
+var15 = 0;
 } else {
-var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
+var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
 }
 }
-if (!var16) {
+if (!var15) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15700);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16011);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype20 = type_nullable_parser_nodes__ASignature.color;
-idtype21 = type_nullable_parser_nodes__ASignature.id;
+cltype19 = type_nullable_parser_nodes__ASignature.color;
+idtype20 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var19 = 1;
-} else {
-if(cltype20 >= var_psignaturenode7->type->table_size) {
-var19 = 0;
-} else {
-var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
-}
-}
-if (!var19) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15702);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist7;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype23 = type_nullable_parser_nodes__AExpr.color;
-idtype24 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var22 = 1;
+var18 = 1;
 } else {
-if(cltype23 >= var_pexprnode9->type->table_size) {
-var22 = 0;
+if(cltype19 >= var_psignaturenode7->type->table_size) {
+var18 = 0;
 } else {
-var22 = var_pexprnode9->type->type_table[cltype23] == idtype24;
+var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var22) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15704);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16013);
+show_backtrace(1);
 }
-var25 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var26 = NULL;
-var27 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var27, var_pexprnode9) /* init_aconcretemethpropdef on <var25:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var25);
-var_ppropdefnode1 = var25;
+var21 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
+var22 = NULL;
+var23 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var21->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var21, var_pdocnode2, var22, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var23) /* init_adeferredmethpropdef on <var21:ADeferredMethPropdef>*/;
+var_ppropdefnode1 = var21;
 var_node_list = var_ppropdefnode1;
-var28 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction349> */
-var29 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var28) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var29, var_node_list) /* push on <var_p:Parser>*/;
+var24 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction357> */
+var25 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var24) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var25, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction349#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction349__action(val* self, val* p0) {
-parser__ReduceAction349__action(self, p0);
+/* method parser#ReduceAction357#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction357__action(val* self, val* p0) {
+parser__ReduceAction357__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction350#action for (self: ReduceAction350, Parser) */
-void parser__ReduceAction350__action(val* self, val* p0) {
+/* method parser#ReduceAction358#action for (self: ReduceAction358, Parser) */
+void parser__ReduceAction358__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var2 /* : nullable Object */;
 val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var10 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-val* var29 /* : AConcreteMethPropdef */;
-val* var30 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var31 /* : Int */;
-long var32 /* : Int */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : ADeferredMethPropdef */;
+val* var26 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
+long var27 /* : Int */;
+long var28 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var7;
+var_nodearraylist2 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var9;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var10 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var10 = 0;
+var9 = 0;
 } else {
-var10 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var10) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15734);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16041);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype12 = type_nullable_parser_nodes__TKwredef.color;
-idtype13 = type_nullable_parser_nodes__TKwredef.id;
+cltype11 = type_nullable_parser_nodes__TKwredef.color;
+idtype12 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var11 = 1;
+var10 = 1;
 } else {
-if(cltype12 >= var_tkwredefnode3->type->table_size) {
-var11 = 0;
+if(cltype11 >= var_tkwredefnode3->type->table_size) {
+var10 = 0;
 } else {
-var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
+var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var11) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15736);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16043);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype15 = type_nullable_parser_nodes__AVisibility.color;
-idtype16 = type_nullable_parser_nodes__AVisibility.id;
+cltype14 = type_nullable_parser_nodes__AVisibility.color;
+idtype15 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var14 = 1;
+var13 = 1;
 } else {
-if(cltype15 >= var_pvisibilitynode4->type->table_size) {
-var14 = 0;
+if(cltype14 >= var_pvisibilitynode4->type->table_size) {
+var13 = 0;
 } else {
-var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
+var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var14) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15738);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16045);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype18 = type_nullable_parser_nodes__TKwmeth.color;
-idtype19 = type_nullable_parser_nodes__TKwmeth.id;
+cltype17 = type_nullable_parser_nodes__TKwmeth.color;
+idtype18 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var17 = 1;
+var16 = 1;
 } else {
-if(cltype18 >= var_tkwmethnode5->type->table_size) {
-var17 = 0;
+if(cltype17 >= var_tkwmethnode5->type->table_size) {
+var16 = 0;
 } else {
-var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
+var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var17) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15740);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16047);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype21 = type_nullable_parser_nodes__AMethid.color;
-idtype22 = type_nullable_parser_nodes__AMethid.id;
+cltype20 = type_nullable_parser_nodes__AMethid.color;
+idtype21 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var20 = 1;
+var19 = 1;
 } else {
-if(cltype21 >= var_pmethidnode6->type->table_size) {
-var20 = 0;
+if(cltype20 >= var_pmethidnode6->type->table_size) {
+var19 = 0;
 } else {
-var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
+var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var20) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15742);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16049);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype24 = type_nullable_parser_nodes__ASignature.color;
-idtype25 = type_nullable_parser_nodes__ASignature.id;
+cltype23 = type_nullable_parser_nodes__ASignature.color;
+idtype24 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var23 = 1;
-} else {
-if(cltype24 >= var_psignaturenode7->type->table_size) {
-var23 = 0;
-} else {
-var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
-}
-}
-if (!var23) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15744);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist8;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype27 = type_nullable_parser_nodes__AExpr.color;
-idtype28 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var26 = 1;
+var22 = 1;
 } else {
-if(cltype27 >= var_pexprnode9->type->table_size) {
-var26 = 0;
+if(cltype23 >= var_psignaturenode7->type->table_size) {
+var22 = 0;
 } else {
-var26 = var_pexprnode9->type->type_table[cltype27] == idtype28;
-}
+var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
 }
-if (!var26) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15746);
-exit(1);
 }
-var29 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var30 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var29, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var30, var_pexprnode9) /* init_aconcretemethpropdef on <var29:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var29);
-var_ppropdefnode1 = var29;
+if (!var22) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16051);
+show_backtrace(1);
+}
+var25 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
+var26 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var25, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var26) /* init_adeferredmethpropdef on <var25:ADeferredMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var31 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction350> */
-var32 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var31) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var32, var_node_list) /* push on <var_p:Parser>*/;
+var27 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction358> */
+var28 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var27) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var28, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction350#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction350__action(val* self, val* p0) {
-parser__ReduceAction350__action(self, p0);
+/* method parser#ReduceAction358#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction358__action(val* self, val* p0) {
+parser__ReduceAction358__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction351#action for (self: ReduceAction351, Parser) */
-void parser__ReduceAction351__action(val* self, val* p0) {
+/* method parser#ReduceAction359#action for (self: ReduceAction359, Parser) */
+void parser__ReduceAction359__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var3 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var10 /* : Bool */;
+short int var8 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-val* var29 /* : AConcreteMethPropdef */;
-val* var30 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var31 /* : Int */;
-long var32 /* : Int */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+val* var21 /* : AInternMethPropdef */;
+val* var22 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AInternMethPropdef */;
+long var23 /* : Int */;
+long var24 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var1;
+var_nodearraylist7 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var2;
+var_nodearraylist6 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var3;
+var_nodearraylist5 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var4;
+var_nodearraylist4 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var5;
+var_nodearraylist3 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var6;
+var_nodearraylist2 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var9;
+var_nodearraylist1 = var7;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var10 = 1;
+var8 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var10 = 0;
+var8 = 0;
 } else {
-var10 = var_pdocnode2->type->type_table[cltype] == idtype;
+var8 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var10) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15776);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16078);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype12 = type_nullable_parser_nodes__AVisibility.color;
-idtype13 = type_nullable_parser_nodes__AVisibility.id;
+cltype10 = type_nullable_parser_nodes__AVisibility.color;
+idtype11 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var11 = 1;
+var9 = 1;
 } else {
-if(cltype12 >= var_pvisibilitynode4->type->table_size) {
-var11 = 0;
+if(cltype10 >= var_pvisibilitynode4->type->table_size) {
+var9 = 0;
 } else {
-var11 = var_pvisibilitynode4->type->type_table[cltype12] == idtype13;
+var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
 }
 }
-if (!var11) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15778);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16080);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype15 = type_nullable_parser_nodes__TKwmeth.color;
-idtype16 = type_nullable_parser_nodes__TKwmeth.id;
+cltype13 = type_nullable_parser_nodes__TKwmeth.color;
+idtype14 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var14 = 1;
+var12 = 1;
 } else {
-if(cltype15 >= var_tkwmethnode5->type->table_size) {
-var14 = 0;
+if(cltype13 >= var_tkwmethnode5->type->table_size) {
+var12 = 0;
 } else {
-var14 = var_tkwmethnode5->type->type_table[cltype15] == idtype16;
+var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var14) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15780);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16082);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype18 = type_nullable_parser_nodes__AMethid.color;
-idtype19 = type_nullable_parser_nodes__AMethid.id;
+cltype16 = type_nullable_parser_nodes__AMethid.color;
+idtype17 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var17 = 1;
+var15 = 1;
 } else {
-if(cltype18 >= var_pmethidnode6->type->table_size) {
-var17 = 0;
+if(cltype16 >= var_pmethidnode6->type->table_size) {
+var15 = 0;
 } else {
-var17 = var_pmethidnode6->type->type_table[cltype18] == idtype19;
+var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
 }
 }
-if (!var17) {
+if (!var15) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15782);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16084);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype21 = type_nullable_parser_nodes__ASignature.color;
-idtype22 = type_nullable_parser_nodes__ASignature.id;
+cltype19 = type_nullable_parser_nodes__ASignature.color;
+idtype20 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var20 = 1;
-} else {
-if(cltype21 >= var_psignaturenode7->type->table_size) {
-var20 = 0;
-} else {
-var20 = var_psignaturenode7->type->type_table[cltype21] == idtype22;
-}
-}
-if (!var20) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15784);
-exit(1);
-}
-var_pannotationsnode8 = var_nodearraylist6;
-/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
-cltype24 = type_nullable_parser_nodes__AAnnotations.color;
-idtype25 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode8 == NULL) {
-var23 = 1;
-} else {
-if(cltype24 >= var_pannotationsnode8->type->table_size) {
-var23 = 0;
-} else {
-var23 = var_pannotationsnode8->type->type_table[cltype24] == idtype25;
-}
-}
-if (!var23) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15786);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist8;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype27 = type_nullable_parser_nodes__AExpr.color;
-idtype28 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var26 = 1;
+var18 = 1;
 } else {
-if(cltype27 >= var_pexprnode9->type->table_size) {
-var26 = 0;
+if(cltype19 >= var_psignaturenode7->type->table_size) {
+var18 = 0;
 } else {
-var26 = var_pexprnode9->type->type_table[cltype27] == idtype28;
+var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var26) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15788);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16086);
+show_backtrace(1);
 }
-var29 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var30 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var29, var_pdocnode2, var30, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var29:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var29);
-var_ppropdefnode1 = var29;
+var21 = NEW_parser_nodes__AInternMethPropdef(&type_parser_nodes__AInternMethPropdef);
+var22 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*))(var21->class->vft[COLOR_parser_prod__AInternMethPropdef__init_ainternmethpropdef]))(var21, var_pdocnode2, var22, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7) /* init_ainternmethpropdef on <var21:AInternMethPropdef>*/;
+var_ppropdefnode1 = var21;
 var_node_list = var_ppropdefnode1;
-var31 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction351> */
-var32 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var31) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var32, var_node_list) /* push on <var_p:Parser>*/;
+var23 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction359> */
+var24 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var23) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var24, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction351#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction351__action(val* self, val* p0) {
-parser__ReduceAction351__action(self, p0);
+/* method parser#ReduceAction359#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction359__action(val* self, val* p0) {
+parser__ReduceAction359__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction352#action for (self: ReduceAction352, Parser) */
-void parser__ReduceAction352__action(val* self, val* p0) {
+/* method parser#ReduceAction360#action for (self: ReduceAction360, Parser) */
+void parser__ReduceAction360__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
-val* var2 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var3 /* : nullable Object */;
 val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var10 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var11 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
-val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-val* var33 /* : AConcreteMethPropdef */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var34 /* : Int */;
-long var35 /* : Int */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AInternMethPropdef */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AInternMethPropdef */;
+long var26 /* : Int */;
+long var27 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist10 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var7;
+var_nodearraylist2 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var9;
-var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var10;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var11 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var11 = 0;
+var9 = 0;
 } else {
-var11 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var11) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15819);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16113);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype13 = type_nullable_parser_nodes__TKwredef.color;
-idtype14 = type_nullable_parser_nodes__TKwredef.id;
+cltype11 = type_nullable_parser_nodes__TKwredef.color;
+idtype12 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var12 = 1;
+var10 = 1;
 } else {
-if(cltype13 >= var_tkwredefnode3->type->table_size) {
-var12 = 0;
+if(cltype11 >= var_tkwredefnode3->type->table_size) {
+var10 = 0;
 } else {
-var12 = var_tkwredefnode3->type->type_table[cltype13] == idtype14;
+var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var12) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15821);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16115);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype16 = type_nullable_parser_nodes__AVisibility.color;
-idtype17 = type_nullable_parser_nodes__AVisibility.id;
+cltype14 = type_nullable_parser_nodes__AVisibility.color;
+idtype15 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var15 = 1;
+var13 = 1;
 } else {
-if(cltype16 >= var_pvisibilitynode4->type->table_size) {
-var15 = 0;
+if(cltype14 >= var_pvisibilitynode4->type->table_size) {
+var13 = 0;
 } else {
-var15 = var_pvisibilitynode4->type->type_table[cltype16] == idtype17;
+var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var15) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15823);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16117);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype19 = type_nullable_parser_nodes__TKwmeth.color;
-idtype20 = type_nullable_parser_nodes__TKwmeth.id;
+cltype17 = type_nullable_parser_nodes__TKwmeth.color;
+idtype18 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var18 = 1;
+var16 = 1;
 } else {
-if(cltype19 >= var_tkwmethnode5->type->table_size) {
-var18 = 0;
+if(cltype17 >= var_tkwmethnode5->type->table_size) {
+var16 = 0;
 } else {
-var18 = var_tkwmethnode5->type->type_table[cltype19] == idtype20;
+var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var18) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15825);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16119);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype22 = type_nullable_parser_nodes__AMethid.color;
-idtype23 = type_nullable_parser_nodes__AMethid.id;
+cltype20 = type_nullable_parser_nodes__AMethid.color;
+idtype21 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var21 = 1;
+var19 = 1;
 } else {
-if(cltype22 >= var_pmethidnode6->type->table_size) {
-var21 = 0;
+if(cltype20 >= var_pmethidnode6->type->table_size) {
+var19 = 0;
 } else {
-var21 = var_pmethidnode6->type->type_table[cltype22] == idtype23;
+var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var21) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15827);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16121);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype25 = type_nullable_parser_nodes__ASignature.color;
-idtype26 = type_nullable_parser_nodes__ASignature.id;
+cltype23 = type_nullable_parser_nodes__ASignature.color;
+idtype24 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var24 = 1;
-} else {
-if(cltype25 >= var_psignaturenode7->type->table_size) {
-var24 = 0;
-} else {
-var24 = var_psignaturenode7->type->type_table[cltype25] == idtype26;
-}
-}
-if (!var24) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15829);
-exit(1);
-}
-var_pannotationsnode8 = var_nodearraylist7;
-/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
-cltype28 = type_nullable_parser_nodes__AAnnotations.color;
-idtype29 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode8 == NULL) {
-var27 = 1;
-} else {
-if(cltype28 >= var_pannotationsnode8->type->table_size) {
-var27 = 0;
-} else {
-var27 = var_pannotationsnode8->type->type_table[cltype28] == idtype29;
-}
-}
-if (!var27) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15831);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist9;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype31 = type_nullable_parser_nodes__AExpr.color;
-idtype32 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var30 = 1;
+var22 = 1;
 } else {
-if(cltype31 >= var_pexprnode9->type->table_size) {
-var30 = 0;
+if(cltype23 >= var_psignaturenode7->type->table_size) {
+var22 = 0;
 } else {
-var30 = var_pexprnode9->type->type_table[cltype31] == idtype32;
+var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var30) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15833);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16123);
+show_backtrace(1);
 }
-var33 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var33->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var33, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8, var_pexprnode9) /* init_aconcretemethpropdef on <var33:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var33);
-var_ppropdefnode1 = var33;
+var25 = NEW_parser_nodes__AInternMethPropdef(&type_parser_nodes__AInternMethPropdef);
+((void (*)(val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AInternMethPropdef__init_ainternmethpropdef]))(var25, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7) /* init_ainternmethpropdef on <var25:AInternMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var34 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction352> */
-var35 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var34) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var35, var_node_list) /* push on <var_p:Parser>*/;
+var26 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction360> */
+var27 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var26) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var27, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction352#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction352__action(val* self, val* p0) {
-parser__ReduceAction352__action(self, p0);
+/* method parser#ReduceAction360#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction360__action(val* self, val* p0) {
+parser__ReduceAction360__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction353#action for (self: ReduceAction353, Parser) */
-void parser__ReduceAction353__action(val* self, val* p0) {
+/* method parser#ReduceAction361#action for (self: ReduceAction361, Parser) */
+void parser__ReduceAction361__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var2 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var9 /* : Bool */;
+short int var8 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var25 /* : AConcreteMethPropdef */;
-val* var26 /* : null */;
-val* var27 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var28 /* : Int */;
-long var29 /* : Int */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+val* var21 /* : AExternMethPropdef */;
+val* var22 /* : null */;
+val* var23 /* : null */;
+val* var24 /* : null */;
+val* var25 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var26 /* : Int */;
+long var27 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var1;
+var_nodearraylist7 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var2;
+var_nodearraylist6 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var3;
+var_nodearraylist5 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var4;
+var_nodearraylist4 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var5;
+var_nodearraylist3 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var6;
+var_nodearraylist2 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var7;
-var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var8;
+var_nodearraylist1 = var7;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var9 = 1;
+var8 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var9 = 0;
+var8 = 0;
 } else {
-var9 = var_pdocnode2->type->type_table[cltype] == idtype;
+var8 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var9) {
+if (!var8) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15862);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16149);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype11 = type_nullable_parser_nodes__AVisibility.color;
-idtype12 = type_nullable_parser_nodes__AVisibility.id;
+cltype10 = type_nullable_parser_nodes__AVisibility.color;
+idtype11 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var10 = 1;
+var9 = 1;
 } else {
-if(cltype11 >= var_pvisibilitynode4->type->table_size) {
-var10 = 0;
+if(cltype10 >= var_pvisibilitynode4->type->table_size) {
+var9 = 0;
 } else {
-var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
+var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
 }
 }
-if (!var10) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15864);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16151);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype14 = type_nullable_parser_nodes__TKwmeth.color;
-idtype15 = type_nullable_parser_nodes__TKwmeth.id;
+cltype13 = type_nullable_parser_nodes__TKwmeth.color;
+idtype14 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var13 = 1;
+var12 = 1;
 } else {
-if(cltype14 >= var_tkwmethnode5->type->table_size) {
-var13 = 0;
+if(cltype13 >= var_tkwmethnode5->type->table_size) {
+var12 = 0;
 } else {
-var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
+var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var13) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15866);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16153);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype17 = type_nullable_parser_nodes__AMethid.color;
-idtype18 = type_nullable_parser_nodes__AMethid.id;
+cltype16 = type_nullable_parser_nodes__AMethid.color;
+idtype17 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var16 = 1;
+var15 = 1;
 } else {
-if(cltype17 >= var_pmethidnode6->type->table_size) {
-var16 = 0;
+if(cltype16 >= var_pmethidnode6->type->table_size) {
+var15 = 0;
 } else {
-var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
+var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
 }
 }
-if (!var16) {
+if (!var15) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15868);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16155);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype20 = type_nullable_parser_nodes__ASignature.color;
-idtype21 = type_nullable_parser_nodes__ASignature.id;
+cltype19 = type_nullable_parser_nodes__ASignature.color;
+idtype20 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var19 = 1;
-} else {
-if(cltype20 >= var_psignaturenode7->type->table_size) {
-var19 = 0;
-} else {
-var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
-}
-}
-if (!var19) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15870);
-exit(1);
-}
-var_pexprnode9 = var_nodearraylist8;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype23 = type_nullable_parser_nodes__AExpr.color;
-idtype24 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var22 = 1;
+var18 = 1;
 } else {
-if(cltype23 >= var_pexprnode9->type->table_size) {
-var22 = 0;
+if(cltype19 >= var_psignaturenode7->type->table_size) {
+var18 = 0;
 } else {
-var22 = var_pexprnode9->type->type_table[cltype23] == idtype24;
+var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var22) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15872);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16157);
+show_backtrace(1);
 }
-var25 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var26 = NULL;
-var27 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var27, var_pexprnode9) /* init_aconcretemethpropdef on <var25:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var25);
-var_ppropdefnode1 = var25;
+var21 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var22 = NULL;
+var23 = NULL;
+var24 = NULL;
+var25 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var21->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var21, var_pdocnode2, var22, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var23, var24, var25) /* init_aexternmethpropdef on <var21:AExternMethPropdef>*/;
+var_ppropdefnode1 = var21;
 var_node_list = var_ppropdefnode1;
-var28 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction353> */
-var29 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var28) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var29, var_node_list) /* push on <var_p:Parser>*/;
+var26 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction361> */
+var27 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var26) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var27, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction353#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction353__action(val* self, val* p0) {
-parser__ReduceAction353__action(self, p0);
+/* method parser#ReduceAction361#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction361__action(val* self, val* p0) {
+parser__ReduceAction361__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction354#action for (self: ReduceAction354, Parser) */
-void parser__ReduceAction354__action(val* self, val* p0) {
+/* method parser#ReduceAction362#action for (self: ReduceAction362, Parser) */
+void parser__ReduceAction362__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
-val* var2 /* : nullable Object */;
 val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
-val* var3 /* : nullable Object */;
+val* var2 /* : nullable Object */;
 val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
-val* var4 /* : nullable Object */;
+val* var3 /* : nullable Object */;
 val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
-val* var5 /* : nullable Object */;
+val* var4 /* : nullable Object */;
 val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
-val* var6 /* : nullable Object */;
+val* var5 /* : nullable Object */;
 val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
-val* var7 /* : nullable Object */;
+val* var6 /* : nullable Object */;
 val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
-val* var8 /* : nullable Object */;
+val* var7 /* : nullable Object */;
 val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
-val* var9 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var10 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-val* var_pexprnode9 /* var pexprnode9: nullable Object */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-val* var29 /* : AConcreteMethPropdef */;
-val* var30 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AConcreteMethPropdef */;
-long var31 /* : Int */;
-long var32 /* : Int */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AExternMethPropdef */;
+val* var26 /* : null */;
+val* var27 /* : null */;
+val* var28 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var29 /* : Int */;
+long var30 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist9 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var7;
+var_nodearraylist2 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var8;
-var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var9;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var10 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var10 = 0;
+var9 = 0;
 } else {
-var10 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var10) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15902);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16187);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype12 = type_nullable_parser_nodes__TKwredef.color;
-idtype13 = type_nullable_parser_nodes__TKwredef.id;
+cltype11 = type_nullable_parser_nodes__TKwredef.color;
+idtype12 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var11 = 1;
+var10 = 1;
 } else {
-if(cltype12 >= var_tkwredefnode3->type->table_size) {
-var11 = 0;
+if(cltype11 >= var_tkwredefnode3->type->table_size) {
+var10 = 0;
 } else {
-var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
+var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var11) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15904);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16189);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype15 = type_nullable_parser_nodes__AVisibility.color;
-idtype16 = type_nullable_parser_nodes__AVisibility.id;
+cltype14 = type_nullable_parser_nodes__AVisibility.color;
+idtype15 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var14 = 1;
+var13 = 1;
 } else {
-if(cltype15 >= var_pvisibilitynode4->type->table_size) {
-var14 = 0;
+if(cltype14 >= var_pvisibilitynode4->type->table_size) {
+var13 = 0;
 } else {
-var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
+var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var14) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15906);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16191);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype18 = type_nullable_parser_nodes__TKwmeth.color;
-idtype19 = type_nullable_parser_nodes__TKwmeth.id;
+cltype17 = type_nullable_parser_nodes__TKwmeth.color;
+idtype18 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var17 = 1;
-} else {
-if(cltype18 >= var_tkwmethnode5->type->table_size) {
-var17 = 0;
-} else {
-var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
-}
-}
-if (!var17) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15908);
-exit(1);
-}
-var_pmethidnode6 = var_nodearraylist5;
-/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype21 = type_nullable_parser_nodes__AMethid.color;
-idtype22 = type_nullable_parser_nodes__AMethid.id;
-if(var_pmethidnode6 == NULL) {
-var20 = 1;
+var16 = 1;
 } else {
-if(cltype21 >= var_pmethidnode6->type->table_size) {
-var20 = 0;
+if(cltype17 >= var_tkwmethnode5->type->table_size) {
+var16 = 0;
 } else {
-var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
+var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var20) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15910);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16193);
+show_backtrace(1);
 }
-var_psignaturenode7 = var_nodearraylist6;
-/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype24 = type_nullable_parser_nodes__ASignature.color;
-idtype25 = type_nullable_parser_nodes__ASignature.id;
-if(var_psignaturenode7 == NULL) {
-var23 = 1;
+var_pmethidnode6 = var_nodearraylist5;
+/* <var_pmethidnode6:nullable Object> isa nullable AMethid */
+cltype20 = type_nullable_parser_nodes__AMethid.color;
+idtype21 = type_nullable_parser_nodes__AMethid.id;
+if(var_pmethidnode6 == NULL) {
+var19 = 1;
 } else {
-if(cltype24 >= var_psignaturenode7->type->table_size) {
-var23 = 0;
+if(cltype20 >= var_pmethidnode6->type->table_size) {
+var19 = 0;
 } else {
-var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
+var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var23) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15912);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16195);
+show_backtrace(1);
 }
-var_pexprnode9 = var_nodearraylist9;
-/* <var_pexprnode9:nullable Object> isa nullable AExpr */
-cltype27 = type_nullable_parser_nodes__AExpr.color;
-idtype28 = type_nullable_parser_nodes__AExpr.id;
-if(var_pexprnode9 == NULL) {
-var26 = 1;
+var_psignaturenode7 = var_nodearraylist6;
+/* <var_psignaturenode7:nullable Object> isa nullable ASignature */
+cltype23 = type_nullable_parser_nodes__ASignature.color;
+idtype24 = type_nullable_parser_nodes__ASignature.id;
+if(var_psignaturenode7 == NULL) {
+var22 = 1;
 } else {
-if(cltype27 >= var_pexprnode9->type->table_size) {
-var26 = 0;
+if(cltype23 >= var_psignaturenode7->type->table_size) {
+var22 = 0;
 } else {
-var26 = var_pexprnode9->type->type_table[cltype27] == idtype28;
+var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var26) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15914);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16197);
+show_backtrace(1);
 }
-var29 = NEW_parser_nodes__AConcreteMethPropdef(&type_parser_nodes__AConcreteMethPropdef);
-var30 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AConcreteMethPropdef__init_aconcretemethpropdef]))(var29, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var30, var_pexprnode9) /* init_aconcretemethpropdef on <var29:AConcreteMethPropdef>*/;
-CHECK_NEW_parser_nodes__AConcreteMethPropdef(var29);
-var_ppropdefnode1 = var29;
+var25 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var26 = NULL;
+var27 = NULL;
+var28 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var25, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var26, var27, var28) /* init_aexternmethpropdef on <var25:AExternMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var31 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction354> */
-var32 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var31) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var32, var_node_list) /* push on <var_p:Parser>*/;
+var29 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction362> */
+var30 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var29) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var30, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction354#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction354__action(val* self, val* p0) {
-parser__ReduceAction354__action(self, p0);
+/* method parser#ReduceAction362#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction362__action(val* self, val* p0) {
+parser__ReduceAction362__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction355#action for (self: ReduceAction355, Parser) */
-void parser__ReduceAction355__action(val* self, val* p0) {
+/* method parser#ReduceAction363#action for (self: ReduceAction363, Parser) */
+void parser__ReduceAction363__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var6 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var7 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var7 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var8 /* : Bool */;
-int cltype9;
-int idtype10;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
-val* var23 /* : ADeferredMethPropdef */;
-val* var24 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
-long var25 /* : Int */;
-long var26 /* : Int */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+val* var_tstringnode8 /* var tstringnode8: nullable Object */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AExternMethPropdef */;
+val* var26 /* : null */;
+val* var27 /* : null */;
+val* var28 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var29 /* : Int */;
+long var30 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var6;
+var_nodearraylist3 = var6;
+var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var7 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var7 = 0;
+var9 = 0;
 } else {
-var7 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var7) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15941);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16227);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype9 = type_nullable_parser_nodes__AVisibility.color;
-idtype10 = type_nullable_parser_nodes__AVisibility.id;
+cltype11 = type_nullable_parser_nodes__AVisibility.color;
+idtype12 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var8 = 1;
+var10 = 1;
 } else {
-if(cltype9 >= var_pvisibilitynode4->type->table_size) {
-var8 = 0;
+if(cltype11 >= var_pvisibilitynode4->type->table_size) {
+var10 = 0;
 } else {
-var8 = var_pvisibilitynode4->type->type_table[cltype9] == idtype10;
+var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var8) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15943);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16229);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype12 = type_nullable_parser_nodes__TKwmeth.color;
-idtype13 = type_nullable_parser_nodes__TKwmeth.id;
+cltype14 = type_nullable_parser_nodes__TKwmeth.color;
+idtype15 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var11 = 1;
+var13 = 1;
 } else {
-if(cltype12 >= var_tkwmethnode5->type->table_size) {
-var11 = 0;
+if(cltype14 >= var_tkwmethnode5->type->table_size) {
+var13 = 0;
 } else {
-var11 = var_tkwmethnode5->type->type_table[cltype12] == idtype13;
+var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var11) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15945);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16231);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype15 = type_nullable_parser_nodes__AMethid.color;
-idtype16 = type_nullable_parser_nodes__AMethid.id;
+cltype17 = type_nullable_parser_nodes__AMethid.color;
+idtype18 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var14 = 1;
+var16 = 1;
 } else {
-if(cltype15 >= var_pmethidnode6->type->table_size) {
-var14 = 0;
+if(cltype17 >= var_pmethidnode6->type->table_size) {
+var16 = 0;
 } else {
-var14 = var_pmethidnode6->type->type_table[cltype15] == idtype16;
+var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var14) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15947);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16233);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype18 = type_nullable_parser_nodes__ASignature.color;
-idtype19 = type_nullable_parser_nodes__ASignature.id;
+cltype20 = type_nullable_parser_nodes__ASignature.color;
+idtype21 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var17 = 1;
+var19 = 1;
 } else {
-if(cltype18 >= var_psignaturenode7->type->table_size) {
-var17 = 0;
+if(cltype20 >= var_psignaturenode7->type->table_size) {
+var19 = 0;
 } else {
-var17 = var_psignaturenode7->type->type_table[cltype18] == idtype19;
+var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var17) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15949);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16235);
+show_backtrace(1);
 }
-var_pannotationsnode8 = var_nodearraylist6;
-/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
-cltype21 = type_nullable_parser_nodes__AAnnotations.color;
-idtype22 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode8 == NULL) {
-var20 = 1;
+var_tstringnode8 = var_nodearraylist8;
+/* <var_tstringnode8:nullable Object> isa nullable TString */
+cltype23 = type_nullable_parser_nodes__TString.color;
+idtype24 = type_nullable_parser_nodes__TString.id;
+if(var_tstringnode8 == NULL) {
+var22 = 1;
 } else {
-if(cltype21 >= var_pannotationsnode8->type->table_size) {
-var20 = 0;
+if(cltype23 >= var_tstringnode8->type->table_size) {
+var22 = 0;
 } else {
-var20 = var_pannotationsnode8->type->type_table[cltype21] == idtype22;
+var22 = var_tstringnode8->type->type_table[cltype23] == idtype24;
 }
 }
-if (!var20) {
+if (!var22) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15951);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16237);
+show_backtrace(1);
 }
-var23 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
-var24 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var23->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var23, var_pdocnode2, var24, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8) /* init_adeferredmethpropdef on <var23:ADeferredMethPropdef>*/;
-CHECK_NEW_parser_nodes__ADeferredMethPropdef(var23);
-var_ppropdefnode1 = var23;
+var25 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var26 = NULL;
+var27 = NULL;
+var28 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_tstringnode8, var27, var28) /* init_aexternmethpropdef on <var25:AExternMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var25 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction355> */
-var26 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var25) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var26, var_node_list) /* push on <var_p:Parser>*/;
+var29 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction363> */
+var30 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var29) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var30, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction355#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction355__action(val* self, val* p0) {
-parser__ReduceAction355__action(self, p0);
+/* method parser#ReduceAction363#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction363__action(val* self, val* p0) {
+parser__ReduceAction363__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction356#action for (self: ReduceAction356, Parser) */
-void parser__ReduceAction356__action(val* self, val* p0) {
+/* method parser#ReduceAction364#action for (self: ReduceAction364, Parser) */
+void parser__ReduceAction364__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var7 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var8 /* : Bool */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var9 /* : Bool */;
-int cltype10;
-int idtype11;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
-val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
-val* var_pannotationsnode8 /* var pannotationsnode8: nullable Object */;
-short int var24 /* : Bool */;
-int cltype25;
-int idtype26;
-val* var27 /* : ADeferredMethPropdef */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
-long var28 /* : Int */;
-long var29 /* : Int */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var_tstringnode8 /* var tstringnode8: nullable Object */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var29 /* : AExternMethPropdef */;
+val* var30 /* : null */;
+val* var31 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var32 /* : Int */;
+long var33 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var1;
+var_nodearraylist9 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var2;
+var_nodearraylist8 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var3;
+var_nodearraylist7 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var4;
+var_nodearraylist6 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var5;
+var_nodearraylist5 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var6;
+var_nodearraylist4 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var7;
+var_nodearraylist3 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var8 = 1;
+var10 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var8 = 0;
+var10 = 0;
 } else {
-var8 = var_pdocnode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var8) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15978);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16268);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype10 = type_nullable_parser_nodes__TKwredef.color;
-idtype11 = type_nullable_parser_nodes__TKwredef.id;
+cltype12 = type_nullable_parser_nodes__TKwredef.color;
+idtype13 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var9 = 1;
+var11 = 1;
 } else {
-if(cltype10 >= var_tkwredefnode3->type->table_size) {
-var9 = 0;
+if(cltype12 >= var_tkwredefnode3->type->table_size) {
+var11 = 0;
 } else {
-var9 = var_tkwredefnode3->type->type_table[cltype10] == idtype11;
+var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
 }
 }
-if (!var9) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15980);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16270);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype13 = type_nullable_parser_nodes__AVisibility.color;
-idtype14 = type_nullable_parser_nodes__AVisibility.id;
+cltype15 = type_nullable_parser_nodes__AVisibility.color;
+idtype16 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var12 = 1;
+var14 = 1;
 } else {
-if(cltype13 >= var_pvisibilitynode4->type->table_size) {
-var12 = 0;
+if(cltype15 >= var_pvisibilitynode4->type->table_size) {
+var14 = 0;
 } else {
-var12 = var_pvisibilitynode4->type->type_table[cltype13] == idtype14;
+var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
 }
 }
-if (!var12) {
+if (!var14) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15982);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16272);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype16 = type_nullable_parser_nodes__TKwmeth.color;
-idtype17 = type_nullable_parser_nodes__TKwmeth.id;
+cltype18 = type_nullable_parser_nodes__TKwmeth.color;
+idtype19 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var15 = 1;
+var17 = 1;
 } else {
-if(cltype16 >= var_tkwmethnode5->type->table_size) {
-var15 = 0;
+if(cltype18 >= var_tkwmethnode5->type->table_size) {
+var17 = 0;
 } else {
-var15 = var_tkwmethnode5->type->type_table[cltype16] == idtype17;
+var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var15) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15984);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16274);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype19 = type_nullable_parser_nodes__AMethid.color;
-idtype20 = type_nullable_parser_nodes__AMethid.id;
+cltype21 = type_nullable_parser_nodes__AMethid.color;
+idtype22 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var18 = 1;
+var20 = 1;
 } else {
-if(cltype19 >= var_pmethidnode6->type->table_size) {
-var18 = 0;
+if(cltype21 >= var_pmethidnode6->type->table_size) {
+var20 = 0;
 } else {
-var18 = var_pmethidnode6->type->type_table[cltype19] == idtype20;
+var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var18) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15986);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16276);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype22 = type_nullable_parser_nodes__ASignature.color;
-idtype23 = type_nullable_parser_nodes__ASignature.id;
+cltype24 = type_nullable_parser_nodes__ASignature.color;
+idtype25 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var21 = 1;
+var23 = 1;
 } else {
-if(cltype22 >= var_psignaturenode7->type->table_size) {
-var21 = 0;
+if(cltype24 >= var_psignaturenode7->type->table_size) {
+var23 = 0;
 } else {
-var21 = var_psignaturenode7->type->type_table[cltype22] == idtype23;
+var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
 }
 }
-if (!var21) {
+if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15988);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16278);
+show_backtrace(1);
 }
-var_pannotationsnode8 = var_nodearraylist7;
-/* <var_pannotationsnode8:nullable Object> isa nullable AAnnotations */
-cltype25 = type_nullable_parser_nodes__AAnnotations.color;
-idtype26 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_pannotationsnode8 == NULL) {
-var24 = 1;
+var_tstringnode8 = var_nodearraylist9;
+/* <var_tstringnode8:nullable Object> isa nullable TString */
+cltype27 = type_nullable_parser_nodes__TString.color;
+idtype28 = type_nullable_parser_nodes__TString.id;
+if(var_tstringnode8 == NULL) {
+var26 = 1;
 } else {
-if(cltype25 >= var_pannotationsnode8->type->table_size) {
-var24 = 0;
+if(cltype27 >= var_tstringnode8->type->table_size) {
+var26 = 0;
 } else {
-var24 = var_pannotationsnode8->type->type_table[cltype25] == idtype26;
+var26 = var_tstringnode8->type->type_table[cltype27] == idtype28;
 }
 }
-if (!var24) {
+if (!var26) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 15990);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16280);
+show_backtrace(1);
 }
-var27 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var27->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var27, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_pannotationsnode8) /* init_adeferredmethpropdef on <var27:ADeferredMethPropdef>*/;
-CHECK_NEW_parser_nodes__ADeferredMethPropdef(var27);
-var_ppropdefnode1 = var27;
+var29 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var30 = NULL;
+var31 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var29, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_tstringnode8, var30, var31) /* init_aexternmethpropdef on <var29:AExternMethPropdef>*/;
+var_ppropdefnode1 = var29;
 var_node_list = var_ppropdefnode1;
-var28 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction356> */
-var29 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var28) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var29, var_node_list) /* push on <var_p:Parser>*/;
+var32 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction364> */
+var33 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var32) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var33, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction356#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction356__action(val* self, val* p0) {
-parser__ReduceAction356__action(self, p0);
+/* method parser#ReduceAction364#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction364__action(val* self, val* p0) {
+parser__ReduceAction364__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction357#action for (self: ReduceAction357, Parser) */
-void parser__ReduceAction357__action(val* self, val* p0) {
+/* method parser#ReduceAction365#action for (self: ReduceAction365, Parser) */
+void parser__ReduceAction365__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var7 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var8 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var9 /* : Bool */;
-int cltype10;
-int idtype11;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-val* var21 /* : ADeferredMethPropdef */;
-val* var22 /* : null */;
-val* var23 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
-long var24 /* : Int */;
-long var25 /* : Int */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+val* var_pexterncallsnode9 /* var pexterncallsnode9: nullable Object */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AExternMethPropdef */;
+val* var26 /* : null */;
+val* var27 /* : null */;
+val* var28 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var29 /* : Int */;
+long var30 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var7;
+var_nodearraylist2 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var8 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var8 = 0;
+var9 = 0;
 } else {
-var8 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var8) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16017);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16310);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype10 = type_nullable_parser_nodes__AVisibility.color;
-idtype11 = type_nullable_parser_nodes__AVisibility.id;
+cltype11 = type_nullable_parser_nodes__AVisibility.color;
+idtype12 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var9 = 1;
+var10 = 1;
 } else {
-if(cltype10 >= var_pvisibilitynode4->type->table_size) {
-var9 = 0;
+if(cltype11 >= var_pvisibilitynode4->type->table_size) {
+var10 = 0;
 } else {
-var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
+var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var9) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16019);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16312);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype13 = type_nullable_parser_nodes__TKwmeth.color;
-idtype14 = type_nullable_parser_nodes__TKwmeth.id;
+cltype14 = type_nullable_parser_nodes__TKwmeth.color;
+idtype15 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var12 = 1;
+var13 = 1;
 } else {
-if(cltype13 >= var_tkwmethnode5->type->table_size) {
-var12 = 0;
+if(cltype14 >= var_tkwmethnode5->type->table_size) {
+var13 = 0;
 } else {
-var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
+var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var12) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16021);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16314);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype16 = type_nullable_parser_nodes__AMethid.color;
-idtype17 = type_nullable_parser_nodes__AMethid.id;
+cltype17 = type_nullable_parser_nodes__AMethid.color;
+idtype18 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var15 = 1;
+var16 = 1;
 } else {
-if(cltype16 >= var_pmethidnode6->type->table_size) {
-var15 = 0;
+if(cltype17 >= var_pmethidnode6->type->table_size) {
+var16 = 0;
 } else {
-var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
+var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var15) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16023);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16316);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype19 = type_nullable_parser_nodes__ASignature.color;
-idtype20 = type_nullable_parser_nodes__ASignature.id;
+cltype20 = type_nullable_parser_nodes__ASignature.color;
+idtype21 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var18 = 1;
+var19 = 1;
 } else {
-if(cltype19 >= var_psignaturenode7->type->table_size) {
-var18 = 0;
+if(cltype20 >= var_psignaturenode7->type->table_size) {
+var19 = 0;
 } else {
-var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
+var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var18) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16025);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16318);
+show_backtrace(1);
 }
-var21 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
-var22 = NULL;
-var23 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var21->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var21, var_pdocnode2, var22, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var23) /* init_adeferredmethpropdef on <var21:ADeferredMethPropdef>*/;
-CHECK_NEW_parser_nodes__ADeferredMethPropdef(var21);
-var_ppropdefnode1 = var21;
+var_pexterncallsnode9 = var_nodearraylist8;
+/* <var_pexterncallsnode9:nullable Object> isa nullable AExternCalls */
+cltype23 = type_nullable_parser_nodes__AExternCalls.color;
+idtype24 = type_nullable_parser_nodes__AExternCalls.id;
+if(var_pexterncallsnode9 == NULL) {
+var22 = 1;
+} else {
+if(cltype23 >= var_pexterncallsnode9->type->table_size) {
+var22 = 0;
+} else {
+var22 = var_pexterncallsnode9->type->type_table[cltype23] == idtype24;
+}
+}
+if (!var22) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16320);
+show_backtrace(1);
+}
+var25 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var26 = NULL;
+var27 = NULL;
+var28 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var27, var_pexterncallsnode9, var28) /* init_aexternmethpropdef on <var25:AExternMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var24 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction357> */
-var25 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var24) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var25, var_node_list) /* push on <var_p:Parser>*/;
+var29 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction365> */
+var30 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var29) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var30, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction357#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction357__action(val* self, val* p0) {
-parser__ReduceAction357__action(self, p0);
+/* method parser#ReduceAction365#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction365__action(val* self, val* p0) {
+parser__ReduceAction365__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction358#action for (self: ReduceAction358, Parser) */
-void parser__ReduceAction358__action(val* self, val* p0) {
+/* method parser#ReduceAction366#action for (self: ReduceAction366, Parser) */
+void parser__ReduceAction366__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var9 /* : Bool */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var25 /* : ADeferredMethPropdef */;
-val* var26 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable ADeferredMethPropdef */;
-long var27 /* : Int */;
-long var28 /* : Int */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var_pexterncallsnode9 /* var pexterncallsnode9: nullable Object */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var29 /* : AExternMethPropdef */;
+val* var30 /* : null */;
+val* var31 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var32 /* : Int */;
+long var33 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var1;
+var_nodearraylist9 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var2;
+var_nodearraylist8 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var3;
+var_nodearraylist7 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var4;
+var_nodearraylist6 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var5;
+var_nodearraylist5 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var6;
+var_nodearraylist4 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var7;
+var_nodearraylist3 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var8;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var9 = 1;
+var10 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var9 = 0;
+var10 = 0;
 } else {
-var9 = var_pdocnode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var9) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16053);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16351);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype11 = type_nullable_parser_nodes__TKwredef.color;
-idtype12 = type_nullable_parser_nodes__TKwredef.id;
+cltype12 = type_nullable_parser_nodes__TKwredef.color;
+idtype13 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var10 = 1;
+var11 = 1;
 } else {
-if(cltype11 >= var_tkwredefnode3->type->table_size) {
-var10 = 0;
+if(cltype12 >= var_tkwredefnode3->type->table_size) {
+var11 = 0;
 } else {
-var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
+var11 = var_tkwredefnode3->type->type_table[cltype12] == idtype13;
 }
 }
-if (!var10) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16055);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16353);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype14 = type_nullable_parser_nodes__AVisibility.color;
-idtype15 = type_nullable_parser_nodes__AVisibility.id;
+cltype15 = type_nullable_parser_nodes__AVisibility.color;
+idtype16 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var13 = 1;
+var14 = 1;
 } else {
-if(cltype14 >= var_pvisibilitynode4->type->table_size) {
-var13 = 0;
+if(cltype15 >= var_pvisibilitynode4->type->table_size) {
+var14 = 0;
 } else {
-var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
+var14 = var_pvisibilitynode4->type->type_table[cltype15] == idtype16;
 }
 }
-if (!var13) {
+if (!var14) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16057);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16355);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype17 = type_nullable_parser_nodes__TKwmeth.color;
-idtype18 = type_nullable_parser_nodes__TKwmeth.id;
+cltype18 = type_nullable_parser_nodes__TKwmeth.color;
+idtype19 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var16 = 1;
+var17 = 1;
 } else {
-if(cltype17 >= var_tkwmethnode5->type->table_size) {
-var16 = 0;
+if(cltype18 >= var_tkwmethnode5->type->table_size) {
+var17 = 0;
 } else {
-var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
+var17 = var_tkwmethnode5->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var16) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16059);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16357);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype20 = type_nullable_parser_nodes__AMethid.color;
-idtype21 = type_nullable_parser_nodes__AMethid.id;
+cltype21 = type_nullable_parser_nodes__AMethid.color;
+idtype22 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var19 = 1;
+var20 = 1;
 } else {
-if(cltype20 >= var_pmethidnode6->type->table_size) {
-var19 = 0;
+if(cltype21 >= var_pmethidnode6->type->table_size) {
+var20 = 0;
 } else {
-var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
+var20 = var_pmethidnode6->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var19) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16061);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16359);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype23 = type_nullable_parser_nodes__ASignature.color;
-idtype24 = type_nullable_parser_nodes__ASignature.id;
+cltype24 = type_nullable_parser_nodes__ASignature.color;
+idtype25 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var22 = 1;
+var23 = 1;
 } else {
-if(cltype23 >= var_psignaturenode7->type->table_size) {
-var22 = 0;
+if(cltype24 >= var_psignaturenode7->type->table_size) {
+var23 = 0;
 } else {
-var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
+var23 = var_psignaturenode7->type->type_table[cltype24] == idtype25;
 }
 }
-if (!var22) {
+if (!var23) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16063);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16361);
+show_backtrace(1);
 }
-var25 = NEW_parser_nodes__ADeferredMethPropdef(&type_parser_nodes__ADeferredMethPropdef);
-var26 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__ADeferredMethPropdef__init_adeferredmethpropdef]))(var25, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var26) /* init_adeferredmethpropdef on <var25:ADeferredMethPropdef>*/;
-CHECK_NEW_parser_nodes__ADeferredMethPropdef(var25);
-var_ppropdefnode1 = var25;
+var_pexterncallsnode9 = var_nodearraylist9;
+/* <var_pexterncallsnode9:nullable Object> isa nullable AExternCalls */
+cltype27 = type_nullable_parser_nodes__AExternCalls.color;
+idtype28 = type_nullable_parser_nodes__AExternCalls.id;
+if(var_pexterncallsnode9 == NULL) {
+var26 = 1;
+} else {
+if(cltype27 >= var_pexterncallsnode9->type->table_size) {
+var26 = 0;
+} else {
+var26 = var_pexterncallsnode9->type->type_table[cltype27] == idtype28;
+}
+}
+if (!var26) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16363);
+show_backtrace(1);
+}
+var29 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var30 = NULL;
+var31 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var29, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var30, var_pexterncallsnode9, var31) /* init_aexternmethpropdef on <var29:AExternMethPropdef>*/;
+var_ppropdefnode1 = var29;
 var_node_list = var_ppropdefnode1;
-var27 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction358> */
-var28 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var27) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var28, var_node_list) /* push on <var_p:Parser>*/;
+var32 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction366> */
+var33 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var32) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var33, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction358#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction358__action(val* self, val* p0) {
-parser__ReduceAction358__action(self, p0);
+/* method parser#ReduceAction366#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction366__action(val* self, val* p0) {
+parser__ReduceAction366__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction359#action for (self: ReduceAction359, Parser) */
-void parser__ReduceAction359__action(val* self, val* p0) {
+/* method parser#ReduceAction367#action for (self: ReduceAction367, Parser) */
+void parser__ReduceAction367__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var7 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var8 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var9 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var8 /* : Bool */;
+short int var10 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var9 /* : Bool */;
-int cltype10;
-int idtype11;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-val* var21 /* : AInternMethPropdef */;
-val* var22 /* : null */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AInternMethPropdef */;
-long var23 /* : Int */;
-long var24 /* : Int */;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
+val* var_tstringnode8 /* var tstringnode8: nullable Object */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+val* var_pexterncallsnode9 /* var pexterncallsnode9: nullable Object */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+val* var29 /* : AExternMethPropdef */;
+val* var30 /* : null */;
+val* var31 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var32 /* : Int */;
+long var33 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var1;
+var_nodearraylist9 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var2;
+var_nodearraylist8 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var3;
+var_nodearraylist7 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var4;
+var_nodearraylist6 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var5;
+var_nodearraylist5 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var6;
+var_nodearraylist4 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var7;
+var_nodearraylist3 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var9;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var8 = 1;
+var10 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var8 = 0;
+var10 = 0;
 } else {
-var8 = var_pdocnode2->type->type_table[cltype] == idtype;
+var10 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var8) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16090);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16394);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype10 = type_nullable_parser_nodes__AVisibility.color;
-idtype11 = type_nullable_parser_nodes__AVisibility.id;
+cltype12 = type_nullable_parser_nodes__AVisibility.color;
+idtype13 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var9 = 1;
+var11 = 1;
 } else {
-if(cltype10 >= var_pvisibilitynode4->type->table_size) {
-var9 = 0;
+if(cltype12 >= var_pvisibilitynode4->type->table_size) {
+var11 = 0;
 } else {
-var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
+var11 = var_pvisibilitynode4->type->type_table[cltype12] == idtype13;
 }
 }
-if (!var9) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16092);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16396);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype13 = type_nullable_parser_nodes__TKwmeth.color;
-idtype14 = type_nullable_parser_nodes__TKwmeth.id;
+cltype15 = type_nullable_parser_nodes__TKwmeth.color;
+idtype16 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var12 = 1;
+var14 = 1;
 } else {
-if(cltype13 >= var_tkwmethnode5->type->table_size) {
-var12 = 0;
+if(cltype15 >= var_tkwmethnode5->type->table_size) {
+var14 = 0;
 } else {
-var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
+var14 = var_tkwmethnode5->type->type_table[cltype15] == idtype16;
 }
 }
-if (!var12) {
+if (!var14) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16094);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16398);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype16 = type_nullable_parser_nodes__AMethid.color;
-idtype17 = type_nullable_parser_nodes__AMethid.id;
+cltype18 = type_nullable_parser_nodes__AMethid.color;
+idtype19 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var15 = 1;
+var17 = 1;
 } else {
-if(cltype16 >= var_pmethidnode6->type->table_size) {
-var15 = 0;
+if(cltype18 >= var_pmethidnode6->type->table_size) {
+var17 = 0;
 } else {
-var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
+var17 = var_pmethidnode6->type->type_table[cltype18] == idtype19;
 }
 }
-if (!var15) {
+if (!var17) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16096);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16400);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype19 = type_nullable_parser_nodes__ASignature.color;
-idtype20 = type_nullable_parser_nodes__ASignature.id;
+cltype21 = type_nullable_parser_nodes__ASignature.color;
+idtype22 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var18 = 1;
+var20 = 1;
 } else {
-if(cltype19 >= var_psignaturenode7->type->table_size) {
-var18 = 0;
+if(cltype21 >= var_psignaturenode7->type->table_size) {
+var20 = 0;
 } else {
-var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
+var20 = var_psignaturenode7->type->type_table[cltype21] == idtype22;
 }
 }
-if (!var18) {
+if (!var20) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16098);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16402);
+show_backtrace(1);
 }
-var21 = NEW_parser_nodes__AInternMethPropdef(&type_parser_nodes__AInternMethPropdef);
-var22 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*))(var21->class->vft[COLOR_parser_prod__AInternMethPropdef__init_ainternmethpropdef]))(var21, var_pdocnode2, var22, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7) /* init_ainternmethpropdef on <var21:AInternMethPropdef>*/;
-CHECK_NEW_parser_nodes__AInternMethPropdef(var21);
-var_ppropdefnode1 = var21;
+var_tstringnode8 = var_nodearraylist8;
+/* <var_tstringnode8:nullable Object> isa nullable TString */
+cltype24 = type_nullable_parser_nodes__TString.color;
+idtype25 = type_nullable_parser_nodes__TString.id;
+if(var_tstringnode8 == NULL) {
+var23 = 1;
+} else {
+if(cltype24 >= var_tstringnode8->type->table_size) {
+var23 = 0;
+} else {
+var23 = var_tstringnode8->type->type_table[cltype24] == idtype25;
+}
+}
+if (!var23) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16404);
+show_backtrace(1);
+}
+var_pexterncallsnode9 = var_nodearraylist9;
+/* <var_pexterncallsnode9:nullable Object> isa nullable AExternCalls */
+cltype27 = type_nullable_parser_nodes__AExternCalls.color;
+idtype28 = type_nullable_parser_nodes__AExternCalls.id;
+if(var_pexterncallsnode9 == NULL) {
+var26 = 1;
+} else {
+if(cltype27 >= var_pexterncallsnode9->type->table_size) {
+var26 = 0;
+} else {
+var26 = var_pexterncallsnode9->type->type_table[cltype27] == idtype28;
+}
+}
+if (!var26) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16406);
+show_backtrace(1);
+}
+var29 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var30 = NULL;
+var31 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var29->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var29, var_pdocnode2, var30, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_tstringnode8, var_pexterncallsnode9, var31) /* init_aexternmethpropdef on <var29:AExternMethPropdef>*/;
+var_ppropdefnode1 = var29;
 var_node_list = var_ppropdefnode1;
-var23 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction359> */
-var24 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var23) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var24, var_node_list) /* push on <var_p:Parser>*/;
+var32 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction367> */
+var33 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var32) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var33, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction359#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction359__action(val* self, val* p0) {
-parser__ReduceAction359__action(self, p0);
+/* method parser#ReduceAction367#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction367__action(val* self, val* p0) {
+parser__ReduceAction367__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction360#action for (self: ReduceAction360, Parser) */
-void parser__ReduceAction360__action(val* self, val* p0) {
+/* method parser#ReduceAction368#action for (self: ReduceAction368, Parser) */
+void parser__ReduceAction368__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
+val* var_nodearraylist10 /* var nodearraylist10: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist9 /* var nodearraylist9: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var7 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var8 /* : nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var9 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var10 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var9 /* : Bool */;
+short int var11 /* : Bool */;
 int cltype;
 int idtype;
 val* var_tkwredefnode3 /* var tkwredefnode3: nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var12 /* : Bool */;
+int cltype13;
+int idtype14;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var22 /* : Bool */;
-int cltype23;
-int idtype24;
-val* var25 /* : AInternMethPropdef */;
-val* var_ppropdefnode1 /* var ppropdefnode1: nullable AInternMethPropdef */;
-long var26 /* : Int */;
-long var27 /* : Int */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+val* var_tstringnode8 /* var tstringnode8: nullable Object */;
+short int var27 /* : Bool */;
+int cltype28;
+int idtype29;
+val* var_pexterncallsnode9 /* var pexterncallsnode9: nullable Object */;
+short int var30 /* : Bool */;
+int cltype31;
+int idtype32;
+val* var33 /* : AExternMethPropdef */;
+val* var34 /* : null */;
+val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
+long var35 /* : Int */;
+long var36 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist8 = var1;
+var_nodearraylist10 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var2;
+var_nodearraylist9 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var3;
+var_nodearraylist8 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var4;
+var_nodearraylist7 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var5;
+var_nodearraylist6 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var6;
+var_nodearraylist5 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var7;
+var_nodearraylist4 = var7;
 var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var8;
+var_nodearraylist3 = var8;
+var9 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist2 = var9;
+var10 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var10;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var9 = 1;
+var11 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var9 = 0;
+var11 = 0;
 } else {
-var9 = var_pdocnode2->type->type_table[cltype] == idtype;
+var11 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var9) {
+if (!var11) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16125);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16438);
+show_backtrace(1);
 }
 var_tkwredefnode3 = var_nodearraylist2;
 /* <var_tkwredefnode3:nullable Object> isa nullable TKwredef */
-cltype11 = type_nullable_parser_nodes__TKwredef.color;
-idtype12 = type_nullable_parser_nodes__TKwredef.id;
+cltype13 = type_nullable_parser_nodes__TKwredef.color;
+idtype14 = type_nullable_parser_nodes__TKwredef.id;
 if(var_tkwredefnode3 == NULL) {
-var10 = 1;
+var12 = 1;
 } else {
-if(cltype11 >= var_tkwredefnode3->type->table_size) {
-var10 = 0;
+if(cltype13 >= var_tkwredefnode3->type->table_size) {
+var12 = 0;
 } else {
-var10 = var_tkwredefnode3->type->type_table[cltype11] == idtype12;
+var12 = var_tkwredefnode3->type->type_table[cltype13] == idtype14;
 }
 }
-if (!var10) {
+if (!var12) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16127);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16440);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist3;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype14 = type_nullable_parser_nodes__AVisibility.color;
-idtype15 = type_nullable_parser_nodes__AVisibility.id;
+cltype16 = type_nullable_parser_nodes__AVisibility.color;
+idtype17 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var13 = 1;
+var15 = 1;
 } else {
-if(cltype14 >= var_pvisibilitynode4->type->table_size) {
-var13 = 0;
+if(cltype16 >= var_pvisibilitynode4->type->table_size) {
+var15 = 0;
 } else {
-var13 = var_pvisibilitynode4->type->type_table[cltype14] == idtype15;
+var15 = var_pvisibilitynode4->type->type_table[cltype16] == idtype17;
 }
 }
-if (!var13) {
+if (!var15) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16129);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16442);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist4;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype17 = type_nullable_parser_nodes__TKwmeth.color;
-idtype18 = type_nullable_parser_nodes__TKwmeth.id;
+cltype19 = type_nullable_parser_nodes__TKwmeth.color;
+idtype20 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var16 = 1;
+var18 = 1;
 } else {
-if(cltype17 >= var_tkwmethnode5->type->table_size) {
-var16 = 0;
+if(cltype19 >= var_tkwmethnode5->type->table_size) {
+var18 = 0;
 } else {
-var16 = var_tkwmethnode5->type->type_table[cltype17] == idtype18;
+var18 = var_tkwmethnode5->type->type_table[cltype19] == idtype20;
 }
 }
-if (!var16) {
+if (!var18) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16131);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16444);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist5;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype20 = type_nullable_parser_nodes__AMethid.color;
-idtype21 = type_nullable_parser_nodes__AMethid.id;
+cltype22 = type_nullable_parser_nodes__AMethid.color;
+idtype23 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var19 = 1;
+var21 = 1;
 } else {
-if(cltype20 >= var_pmethidnode6->type->table_size) {
-var19 = 0;
+if(cltype22 >= var_pmethidnode6->type->table_size) {
+var21 = 0;
 } else {
-var19 = var_pmethidnode6->type->type_table[cltype20] == idtype21;
+var21 = var_pmethidnode6->type->type_table[cltype22] == idtype23;
 }
 }
-if (!var19) {
+if (!var21) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16133);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16446);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist6;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype23 = type_nullable_parser_nodes__ASignature.color;
-idtype24 = type_nullable_parser_nodes__ASignature.id;
+cltype25 = type_nullable_parser_nodes__ASignature.color;
+idtype26 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var22 = 1;
+var24 = 1;
 } else {
-if(cltype23 >= var_psignaturenode7->type->table_size) {
-var22 = 0;
+if(cltype25 >= var_psignaturenode7->type->table_size) {
+var24 = 0;
 } else {
-var22 = var_psignaturenode7->type->type_table[cltype23] == idtype24;
+var24 = var_psignaturenode7->type->type_table[cltype25] == idtype26;
 }
 }
-if (!var22) {
+if (!var24) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16135);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16448);
+show_backtrace(1);
 }
-var25 = NEW_parser_nodes__AInternMethPropdef(&type_parser_nodes__AInternMethPropdef);
-((void (*)(val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AInternMethPropdef__init_ainternmethpropdef]))(var25, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7) /* init_ainternmethpropdef on <var25:AInternMethPropdef>*/;
-CHECK_NEW_parser_nodes__AInternMethPropdef(var25);
-var_ppropdefnode1 = var25;
+var_tstringnode8 = var_nodearraylist9;
+/* <var_tstringnode8:nullable Object> isa nullable TString */
+cltype28 = type_nullable_parser_nodes__TString.color;
+idtype29 = type_nullable_parser_nodes__TString.id;
+if(var_tstringnode8 == NULL) {
+var27 = 1;
+} else {
+if(cltype28 >= var_tstringnode8->type->table_size) {
+var27 = 0;
+} else {
+var27 = var_tstringnode8->type->type_table[cltype28] == idtype29;
+}
+}
+if (!var27) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16450);
+show_backtrace(1);
+}
+var_pexterncallsnode9 = var_nodearraylist10;
+/* <var_pexterncallsnode9:nullable Object> isa nullable AExternCalls */
+cltype31 = type_nullable_parser_nodes__AExternCalls.color;
+idtype32 = type_nullable_parser_nodes__AExternCalls.id;
+if(var_pexterncallsnode9 == NULL) {
+var30 = 1;
+} else {
+if(cltype31 >= var_pexterncallsnode9->type->table_size) {
+var30 = 0;
+} else {
+var30 = var_pexterncallsnode9->type->type_table[cltype31] == idtype32;
+}
+}
+if (!var30) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16452);
+show_backtrace(1);
+}
+var33 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var34 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var33->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var33, var_pdocnode2, var_tkwredefnode3, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var_tstringnode8, var_pexterncallsnode9, var34) /* init_aexternmethpropdef on <var33:AExternMethPropdef>*/;
+var_ppropdefnode1 = var33;
 var_node_list = var_ppropdefnode1;
-var26 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction360> */
-var27 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var26) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var27, var_node_list) /* push on <var_p:Parser>*/;
+var35 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction368> */
+var36 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var35) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var36, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction360#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction360__action(val* self, val* p0) {
-parser__ReduceAction360__action(self, p0);
+/* method parser#ReduceAction368#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction368__action(val* self, val* p0) {
+parser__ReduceAction368__action(self, p0);
 RET_LABEL:;
 }
-/* method parser#ReduceAction361#action for (self: ReduceAction361, Parser) */
-void parser__ReduceAction361__action(val* self, val* p0) {
+/* method parser#ReduceAction369#action for (self: ReduceAction369, Parser) */
+void parser__ReduceAction369__action(val* self, val* p0) {
 val* var_p /* var p: Parser */;
 val* var /* : null */;
 val* var_node_list /* var node_list: nullable Object */;
 val* var1 /* : nullable Object */;
-val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
+val* var_nodearraylist8 /* var nodearraylist8: nullable Object */;
 val* var2 /* : nullable Object */;
-val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
+val* var_nodearraylist7 /* var nodearraylist7: nullable Object */;
 val* var3 /* : nullable Object */;
-val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
+val* var_nodearraylist6 /* var nodearraylist6: nullable Object */;
 val* var4 /* : nullable Object */;
-val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
+val* var_nodearraylist5 /* var nodearraylist5: nullable Object */;
 val* var5 /* : nullable Object */;
-val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
+val* var_nodearraylist4 /* var nodearraylist4: nullable Object */;
 val* var6 /* : nullable Object */;
-val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var_nodearraylist3 /* var nodearraylist3: nullable Object */;
 val* var7 /* : nullable Object */;
+val* var_nodearraylist2 /* var nodearraylist2: nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_nodearraylist1 /* var nodearraylist1: nullable Object */;
 val* var_pdocnode2 /* var pdocnode2: nullable Object */;
-short int var8 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 val* var_pvisibilitynode4 /* var pvisibilitynode4: nullable Object */;
-short int var9 /* : Bool */;
-int cltype10;
-int idtype11;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
 val* var_tkwmethnode5 /* var tkwmethnode5: nullable Object */;
-short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
 val* var_pmethidnode6 /* var pmethidnode6: nullable Object */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
 val* var_psignaturenode7 /* var psignaturenode7: nullable Object */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-val* var21 /* : AExternMethPropdef */;
-val* var22 /* : null */;
-val* var23 /* : null */;
-val* var24 /* : null */;
-val* var25 /* : null */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+val* var_pexterncodeblocknode10 /* var pexterncodeblocknode10: nullable Object */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+val* var25 /* : AExternMethPropdef */;
+val* var26 /* : null */;
+val* var27 /* : null */;
+val* var28 /* : null */;
 val* var_ppropdefnode1 /* var ppropdefnode1: nullable AExternMethPropdef */;
-long var26 /* : Int */;
-long var27 /* : Int */;
+long var29 /* : Int */;
+long var30 /* : Int */;
 var_p = p0;
 var = NULL;
 var_node_list = var;
 var1 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist7 = var1;
+var_nodearraylist8 = var1;
 var2 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist6 = var2;
+var_nodearraylist7 = var2;
 var3 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist5 = var3;
+var_nodearraylist6 = var3;
 var4 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist4 = var4;
+var_nodearraylist5 = var4;
 var5 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist3 = var5;
+var_nodearraylist4 = var5;
 var6 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist2 = var6;
+var_nodearraylist3 = var6;
 var7 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
-var_nodearraylist1 = var7;
+var_nodearraylist2 = var7;
+var8 = ((val* (*)(val*))(var_p->class->vft[COLOR_parser__Parser__pop]))(var_p) /* pop on <var_p:Parser>*/;
+var_nodearraylist1 = var8;
 var_pdocnode2 = var_nodearraylist1;
 /* <var_pdocnode2:nullable Object> isa nullable ADoc */
 cltype = type_nullable_parser_nodes__ADoc.color;
 idtype = type_nullable_parser_nodes__ADoc.id;
 if(var_pdocnode2 == NULL) {
-var8 = 1;
+var9 = 1;
 } else {
 if(cltype >= var_pdocnode2->type->table_size) {
-var8 = 0;
+var9 = 0;
 } else {
-var8 = var_pdocnode2->type->type_table[cltype] == idtype;
+var9 = var_pdocnode2->type->type_table[cltype] == idtype;
 }
 }
-if (!var8) {
+if (!var9) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16161);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16482);
+show_backtrace(1);
 }
 var_pvisibilitynode4 = var_nodearraylist2;
 /* <var_pvisibilitynode4:nullable Object> isa nullable AVisibility */
-cltype10 = type_nullable_parser_nodes__AVisibility.color;
-idtype11 = type_nullable_parser_nodes__AVisibility.id;
+cltype11 = type_nullable_parser_nodes__AVisibility.color;
+idtype12 = type_nullable_parser_nodes__AVisibility.id;
 if(var_pvisibilitynode4 == NULL) {
-var9 = 1;
+var10 = 1;
 } else {
-if(cltype10 >= var_pvisibilitynode4->type->table_size) {
-var9 = 0;
+if(cltype11 >= var_pvisibilitynode4->type->table_size) {
+var10 = 0;
 } else {
-var9 = var_pvisibilitynode4->type->type_table[cltype10] == idtype11;
+var10 = var_pvisibilitynode4->type->type_table[cltype11] == idtype12;
 }
 }
-if (!var9) {
+if (!var10) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16163);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16484);
+show_backtrace(1);
 }
 var_tkwmethnode5 = var_nodearraylist3;
 /* <var_tkwmethnode5:nullable Object> isa nullable TKwmeth */
-cltype13 = type_nullable_parser_nodes__TKwmeth.color;
-idtype14 = type_nullable_parser_nodes__TKwmeth.id;
+cltype14 = type_nullable_parser_nodes__TKwmeth.color;
+idtype15 = type_nullable_parser_nodes__TKwmeth.id;
 if(var_tkwmethnode5 == NULL) {
-var12 = 1;
+var13 = 1;
 } else {
-if(cltype13 >= var_tkwmethnode5->type->table_size) {
-var12 = 0;
+if(cltype14 >= var_tkwmethnode5->type->table_size) {
+var13 = 0;
 } else {
-var12 = var_tkwmethnode5->type->type_table[cltype13] == idtype14;
+var13 = var_tkwmethnode5->type->type_table[cltype14] == idtype15;
 }
 }
-if (!var12) {
+if (!var13) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16165);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16486);
+show_backtrace(1);
 }
 var_pmethidnode6 = var_nodearraylist4;
 /* <var_pmethidnode6:nullable Object> isa nullable AMethid */
-cltype16 = type_nullable_parser_nodes__AMethid.color;
-idtype17 = type_nullable_parser_nodes__AMethid.id;
+cltype17 = type_nullable_parser_nodes__AMethid.color;
+idtype18 = type_nullable_parser_nodes__AMethid.id;
 if(var_pmethidnode6 == NULL) {
-var15 = 1;
+var16 = 1;
 } else {
-if(cltype16 >= var_pmethidnode6->type->table_size) {
-var15 = 0;
+if(cltype17 >= var_pmethidnode6->type->table_size) {
+var16 = 0;
 } else {
-var15 = var_pmethidnode6->type->type_table[cltype16] == idtype17;
+var16 = var_pmethidnode6->type->type_table[cltype17] == idtype18;
 }
 }
-if (!var15) {
+if (!var16) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16167);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16488);
+show_backtrace(1);
 }
 var_psignaturenode7 = var_nodearraylist5;
 /* <var_psignaturenode7:nullable Object> isa nullable ASignature */
-cltype19 = type_nullable_parser_nodes__ASignature.color;
-idtype20 = type_nullable_parser_nodes__ASignature.id;
+cltype20 = type_nullable_parser_nodes__ASignature.color;
+idtype21 = type_nullable_parser_nodes__ASignature.id;
 if(var_psignaturenode7 == NULL) {
-var18 = 1;
+var19 = 1;
 } else {
-if(cltype19 >= var_psignaturenode7->type->table_size) {
-var18 = 0;
+if(cltype20 >= var_psignaturenode7->type->table_size) {
+var19 = 0;
 } else {
-var18 = var_psignaturenode7->type->type_table[cltype19] == idtype20;
+var19 = var_psignaturenode7->type->type_table[cltype20] == idtype21;
 }
 }
-if (!var18) {
+if (!var19) {
 fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16169);
-exit(1);
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16490);
+show_backtrace(1);
 }
-var21 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
-var22 = NULL;
-var23 = NULL;
-var24 = NULL;
-var25 = NULL;
-((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var21->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var21, var_pdocnode2, var22, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var23, var24, var25) /* init_aexternmethpropdef on <var21:AExternMethPropdef>*/;
-CHECK_NEW_parser_nodes__AExternMethPropdef(var21);
-var_ppropdefnode1 = var21;
+var_pexterncodeblocknode10 = var_nodearraylist8;
+/* <var_pexterncodeblocknode10:nullable Object> isa nullable AExternCodeBlock */
+cltype23 = type_nullable_parser_nodes__AExternCodeBlock.color;
+idtype24 = type_nullable_parser_nodes__AExternCodeBlock.id;
+if(var_pexterncodeblocknode10 == NULL) {
+var22 = 1;
+} else {
+if(cltype23 >= var_pexterncodeblocknode10->type->table_size) {
+var22 = 0;
+} else {
+var22 = var_pexterncodeblocknode10->type->type_table[cltype23] == idtype24;
+}
+}
+if (!var22) {
+fprintf(stderr, "Runtime error: %s", "Assert failed");
+fprintf(stderr, " (%s:%d)\n", "src/parser/parser.nit", 16492);
+show_backtrace(1);
+}
+var25 = NEW_parser_nodes__AExternMethPropdef(&type_parser_nodes__AExternMethPropdef);
+var26 = NULL;
+var27 = NULL;
+var28 = NULL;
+((void (*)(val*, val*, val*, val*, val*, val*, val*, val*, val*, val*))(var25->class->vft[COLOR_parser_prod__AExternMethPropdef__init_aexternmethpropdef]))(var25, var_pdocnode2, var26, var_pvisibilitynode4, var_tkwmethnode5, var_pmethidnode6, var_psignaturenode7, var27, var28, var_pexterncodeblocknode10) /* init_aexternmethpropdef on <var25:AExternMethPropdef>*/;
+var_ppropdefnode1 = var25;
 var_node_list = var_ppropdefnode1;
-var26 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction361> */
-var27 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var26) /* go_to on <var_p:Parser>*/;
-((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var27, var_node_list) /* push on <var_p:Parser>*/;
+var29 = self->attrs[COLOR_parser__ReduceAction___goto].l; /* _goto on <self:ReduceAction369> */
+var30 = ((long (*)(val*, long))(var_p->class->vft[COLOR_parser__Parser__go_to]))(var_p, var29) /* go_to on <var_p:Parser>*/;
+((void (*)(val*, long, val*))(var_p->class->vft[COLOR_parser__Parser__push]))(var_p, var30, var_node_list) /* push on <var_p:Parser>*/;
 RET_LABEL:;
 }
-/* method parser#ReduceAction361#action for (self: Object, Parser) */
-void VIRTUAL_parser__ReduceAction361__action(val* self, val* p0) {
-parser__ReduceAction361__action(self, p0);
+/* method parser#ReduceAction369#action for (self: Object, Parser) */
+void VIRTUAL_parser__ReduceAction369__action(val* self, val* p0) {
+parser__ReduceAction369__action(self, p0);
 RET_LABEL:;
 }