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

diff --git a/c_src/ordered_tree.sep.1.c b/c_src/ordered_tree.sep.1.c
index a44df3a..df26eff 100644
--- a/c_src/ordered_tree.sep.1.c
+++ b/c_src/ordered_tree.sep.1.c
@@ -1,33 +1,116 @@
 #include "ordered_tree.sep.0.h"
-/* method ordered_tree#OrderedTree#roots for (self: OrderedTree[Object]): Array[Object] */
+/* method ordered_tree$OrderedTree$roots for (self: OrderedTree[Object]): Array[Object] */
 val* ordered_tree___ordered_tree__OrderedTree___roots(val* self) {
 val* var /* : Array[Object] */;
 val* var1 /* : Array[Object] */;
 var1 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTree#sub for (self: OrderedTree[Object]): HashMap[Object, Array[Object]] */
+/* method ordered_tree$OrderedTree$sub for (self: OrderedTree[Object]): HashMap[Object, Array[Object]] */
 val* ordered_tree___ordered_tree__OrderedTree___sub(val* self) {
 val* var /* : HashMap[Object, Array[Object]] */;
 val* var1 /* : HashMap[Object, Array[Object]] */;
 var1 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTree#add for (self: OrderedTree[Object], nullable Object, Object) */
+/* method ordered_tree$OrderedTree$parents for (self: OrderedTree[Object]): HashMap[Object, nullable Object] */
+val* ordered_tree___ordered_tree__OrderedTree___parents(val* self) {
+val* var /* : HashMap[Object, nullable Object] */;
+val* var1 /* : HashMap[Object, nullable Object] */;
+var1 = self->attrs[COLOR_ordered_tree__OrderedTree___parents].val; /* _parents on <self:OrderedTree[Object]> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _parents");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 73);
+fatal_exit(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method ordered_tree$OrderedTree$length for (self: OrderedTree[Object]): Int */
+long ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__length(val* self) {
+long var /* : Int */;
+val* var1 /* : HashMap[Object, nullable Object] */;
+val* var3 /* : HashMap[Object, nullable Object] */;
+long var4 /* : Int */;
+{
+{ /* Inline ordered_tree$OrderedTree$parents (self) on <self:OrderedTree[Object]> */
+var3 = self->attrs[COLOR_ordered_tree__OrderedTree___parents].val; /* _parents on <self:OrderedTree[Object]> */
+if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _parents");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 73);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = core___core__HashMap___core__abstract_collection__MapRead__length(var1);
+}
+var = var4;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method ordered_tree$OrderedTree$has for (self: OrderedTree[Object], nullable Object): Bool */
+short int ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__has(val* self, val* p0) {
+short int var /* : Bool */;
+val* var_e /* var e: nullable Object */;
+val* var1 /* : HashMap[Object, nullable Object] */;
+val* var3 /* : HashMap[Object, nullable Object] */;
+short int var4 /* : Bool */;
+var_e = p0;
+{
+{ /* Inline ordered_tree$OrderedTree$parents (self) on <self:OrderedTree[Object]> */
+var3 = self->attrs[COLOR_ordered_tree__OrderedTree___parents].val; /* _parents on <self:OrderedTree[Object]> */
+if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _parents");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 73);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var1, var_e);
+}
+var = var4;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method ordered_tree$OrderedTree$add for (self: OrderedTree[Object], nullable Object, Object) */
 void ordered_tree___ordered_tree__OrderedTree___add(val* self, val* p0, val* p1) {
 short int var /* : Bool */;
 int cltype;
@@ -41,19 +124,23 @@ const struct type* type_struct4;
 const char* var_class_name5;
 val* var_p /* var p: nullable Object */;
 val* var_e /* var e: Object */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-val* var8 /* : Array[Object] */;
-val* var10 /* : Array[Object] */;
-val* var11 /* : HashMap[Object, Array[Object]] */;
-val* var13 /* : HashMap[Object, Array[Object]] */;
+val* var6 /* : HashMap[Object, nullable Object] */;
+val* var8 /* : HashMap[Object, nullable Object] */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+val* var11 /* : Array[Object] */;
+val* var13 /* : Array[Object] */;
 short int var14 /* : Bool */;
-val* var15 /* : HashMap[Object, Array[Object]] */;
-val* var17 /* : HashMap[Object, Array[Object]] */;
-val* var18 /* : nullable Object */;
-val* var19 /* : HashMap[Object, Array[Object]] */;
-val* var21 /* : HashMap[Object, Array[Object]] */;
-val* var22 /* : Array[Object] */;
+short int var15 /* : Bool */;
+val* var16 /* : HashMap[Object, Array[Object]] */;
+val* var18 /* : HashMap[Object, Array[Object]] */;
+short int var19 /* : Bool */;
+val* var20 /* : HashMap[Object, Array[Object]] */;
+val* var22 /* : HashMap[Object, Array[Object]] */;
+val* var23 /* : nullable Object */;
+val* var24 /* : HashMap[Object, Array[Object]] */;
+val* var26 /* : HashMap[Object, Array[Object]] */;
+val* var27 /* : Array[Object] */;
 val* var_ /* var : Array[Object] */;
 /* Covariant cast for argument 0 (p) <p0:nullable Object> isa nullable E */
 /* <p0:nullable Object> isa nullable E */
@@ -72,7 +159,7 @@ var = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idt
 if (unlikely(!var)) {
 var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable E", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 72);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 94);
 fatal_exit(1);
 }
 /* Covariant cast for argument 1 (e) <p1:Object> isa E */
@@ -88,126 +175,432 @@ var1 = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype2] == i
 if (unlikely(!var1)) {
 var_class_name5 = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name5);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 72);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 94);
 fatal_exit(1);
 }
 var_p = p0;
 var_e = p1;
+{
+ordered_tree___ordered_tree__OrderedTree___detach(self, var_e); /* Direct call ordered_tree$OrderedTree$detach on <self:OrderedTree[Object]>*/
+}
+{
+{ /* Inline ordered_tree$OrderedTree$parents (self) on <self:OrderedTree[Object]> */
+var8 = self->attrs[COLOR_ordered_tree__OrderedTree___parents].val; /* _parents on <self:OrderedTree[Object]> */
+if (unlikely(var8 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _parents");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 73);
+fatal_exit(1);
+}
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+{
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var6, var_e, var_p); /* Direct call hash_collection$HashMap$[]= on <var6:HashMap[Object, nullable Object]>*/
+}
 if (var_p == NULL) {
-var6 = 1; /* is null */
+var9 = 1; /* is null */
 } else {
-var6 = 0; /* arg is null but recv is not */
+var9 = 0; /* arg is null but recv is not */
 }
 if (0) {
-var7 = ((short int(*)(val* self, val* p0))((((long)var_p&3)?class_info[((long)var_p&3)]:var_p->class)->vft[COLOR_standard__kernel__Object___61d_61d]))(var_p, ((val*)NULL)); /* == on <var_p:nullable Object>*/
-var6 = var7;
+var10 = ((short int(*)(val* self, val* p0))((((long)var_p&3)?class_info[((long)var_p&3)]:var_p->class)->vft[COLOR_core__kernel__Object___61d_61d]))(var_p, ((val*)NULL)); /* == on <var_p:nullable Object>*/
+var9 = var10;
 }
-if (var6){
+if (var9){
 {
-{ /* Inline ordered_tree#OrderedTree#roots (self) on <self:OrderedTree[Object]> */
-var10 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
-if (unlikely(var10 == NULL)) {
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
+var13 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
+if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
-var8 = var10;
-RET_LABEL9:(void)0;
+var11 = var13;
+RET_LABEL12:(void)0;
 }
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var8, var_e); /* Direct call array#Array#add on <var8:Array[Object]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var11, var_e); /* Direct call array$Array$add on <var11:Array[Object]>*/
 }
 } else {
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
-var13 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
-if (unlikely(var13 == NULL)) {
+var14 = ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__has(self, var_p);
+}
+var15 = !var14;
+if (var15){
+{
+ordered_tree___ordered_tree__OrderedTree___add(self, ((val*)NULL), var_p); /* Direct call ordered_tree$OrderedTree$add on <self:OrderedTree[Object]>*/
+}
+} else {
+}
+{
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var18 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
-var11 = var13;
-RET_LABEL12:(void)0;
+var16 = var18;
+RET_LABEL17:(void)0;
 }
 }
 {
-var14 = standard___standard__HashMap___standard__abstract_collection__MapRead__has_key(var11, var_p);
+var19 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var16, var_p);
 }
-if (var14){
+if (var19){
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
-var17 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
-if (unlikely(var17 == NULL)) {
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var22 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
-var15 = var17;
-RET_LABEL16:(void)0;
+var20 = var22;
+RET_LABEL21:(void)0;
 }
 }
 {
-var18 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var15, var_p);
+var23 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var20, var_p);
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var18, var_e); /* Direct call array#Array#add on <var18:nullable Object(Array[Object])>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var23, var_e); /* Direct call array$Array$add on <var23:nullable Object(Array[Object])>*/
 }
 } else {
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
-var21 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
-if (unlikely(var21 == NULL)) {
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var26 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var26 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
-var19 = var21;
-RET_LABEL20:(void)0;
+var24 = var26;
+RET_LABEL25:(void)0;
 }
 }
-var22 = NEW_standard__Array(self->type->resolution_table->types[COLOR_standard__Array__ordered_tree__OrderedTree___35dE]);
+var27 = NEW_core__Array(self->type->resolution_table->types[COLOR_core__Array__ordered_tree__OrderedTree___35dE]);
 {
-standard___standard__Array___with_capacity(var22, 1l); /* Direct call array#Array#with_capacity on <var22:Array[Object]>*/
+core___core__Array___with_capacity(var27, 1l); /* Direct call array$Array$with_capacity on <var27:Array[Object]>*/
 }
-var_ = var22;
+var_ = var27;
 {
-standard___standard__AbstractArray___standard__abstract_collection__Sequence__push(var_, var_e); /* Direct call array#AbstractArray#push on <var_:Array[Object]>*/
+core___core__AbstractArray___core__abstract_collection__Sequence__push(var_, var_e); /* Direct call array$AbstractArray$push on <var_:Array[Object]>*/
 }
 {
-standard___standard__HashMap___standard__abstract_collection__Map___91d_93d_61d(var19, var_p, var_); /* Direct call hash_collection#HashMap#[]= on <var19:HashMap[Object, Array[Object]]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var24, var_p, var_); /* Direct call hash_collection$HashMap$[]= on <var24:HashMap[Object, Array[Object]]>*/
 }
 }
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTree#write_to for (self: OrderedTree[Object], Writer) */
-void ordered_tree___ordered_tree__OrderedTree___standard__stream__Writable__write_to(val* self, val* p0) {
+/* method ordered_tree$OrderedTree$add_all for (self: OrderedTree[Object], nullable Object, Collection[Object]) */
+void ordered_tree___ordered_tree__OrderedTree___add_all(val* self, val* p0, val* p1) {
+short int var /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+short int var1 /* : Bool */;
+int cltype2;
+int idtype3;
+const struct type* type_struct4;
+const char* var_class_name5;
+val* var_p /* var p: nullable Object */;
+val* var_es /* var es: Collection[Object] */;
+val* var_ /* var : Collection[Object] */;
+val* var6 /* : Iterator[nullable Object] */;
+val* var_7 /* var : Iterator[Object] */;
+short int var8 /* : Bool */;
+val* var9 /* : nullable Object */;
+val* var_e /* var e: Object */;
+/* Covariant cast for argument 0 (p) <p0:nullable Object> isa nullable E */
+/* <p0:nullable Object> isa nullable E */
+type_struct = self->type->resolution_table->types[COLOR_nullable__ordered_tree__OrderedTree___35dE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(p0 == NULL) {
+var = 1;
+} else {
+if(cltype >= (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->table_size) {
+var = 0;
+} else {
+var = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var)) {
+var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable E", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 117);
+fatal_exit(1);
+}
+/* Covariant cast for argument 1 (es) <p1:Collection[Object]> isa Collection[E] */
+/* <p1:Collection[Object]> isa Collection[E] */
+type_struct4 = self->type->resolution_table->types[COLOR_core__Collection__ordered_tree__OrderedTree___35dE];
+cltype2 = type_struct4->color;
+idtype3 = type_struct4->id;
+if(cltype2 >= (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->table_size) {
+var1 = 0;
+} else {
+var1 = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype2] == idtype3;
+}
+if (unlikely(!var1)) {
+var_class_name5 = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "Collection[E]", var_class_name5);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 117);
+fatal_exit(1);
+}
+var_p = p0;
+var_es = p1;
+var_ = var_es;
+{
+var6 = ((val*(*)(val* self))((((long)var_&3)?class_info[((long)var_&3)]:var_->class)->vft[COLOR_core__abstract_collection__Collection__iterator]))(var_); /* iterator on <var_:Collection[Object]>*/
+}
+var_7 = var6;
+for(;;) {
+{
+var8 = ((short int(*)(val* self))((((long)var_7&3)?class_info[((long)var_7&3)]:var_7->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_7); /* is_ok on <var_7:Iterator[Object]>*/
+}
+if (var8){
+} else {
+goto BREAK_label;
+}
+{
+var9 = ((val*(*)(val* self))((((long)var_7&3)?class_info[((long)var_7&3)]:var_7->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_7); /* item on <var_7:Iterator[Object]>*/
+}
+var_e = var9;
+{
+ordered_tree___ordered_tree__OrderedTree___add(self, var_p, var_e); /* Direct call ordered_tree$OrderedTree$add on <self:OrderedTree[Object]>*/
+}
+{
+((void(*)(val* self))((((long)var_7&3)?class_info[((long)var_7&3)]:var_7->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_7); /* next on <var_7:Iterator[Object]>*/
+}
+}
+BREAK_label: (void)0;
+{
+((void(*)(val* self))((((long)var_7&3)?class_info[((long)var_7&3)]:var_7->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_7); /* finish on <var_7:Iterator[Object]>*/
+}
+RET_LABEL:;
+}
+/* method ordered_tree$OrderedTree$detach for (self: OrderedTree[Object], Object) */
+void ordered_tree___ordered_tree__OrderedTree___detach(val* self, val* p0) {
+short int var /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+val* var_e /* var e: Object */;
+val* var1 /* : HashMap[Object, nullable Object] */;
+val* var3 /* : HashMap[Object, nullable Object] */;
+val* var4 /* : nullable Object */;
+val* var_old_parent /* var old_parent: nullable Object */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+val* var7 /* : HashMap[Object, Array[Object]] */;
+val* var9 /* : HashMap[Object, Array[Object]] */;
+val* var10 /* : nullable Object */;
+val* var_subs /* var subs: Array[Object] */;
+short int var11 /* : Bool */;
+val* var12 /* : HashMap[Object, Array[Object]] */;
+val* var14 /* : HashMap[Object, Array[Object]] */;
+val* var15 /* : RemovableCollection[nullable Object] */;
+val* var16 /* : Array[Object] */;
+val* var18 /* : Array[Object] */;
+short int var19 /* : Bool */;
+val* var20 /* : Array[Object] */;
+val* var22 /* : Array[Object] */;
+/* Covariant cast for argument 0 (e) <p0:Object> isa E */
+/* <p0:Object> isa E */
+type_struct = self->type->resolution_table->types[COLOR_ordered_tree__OrderedTree___35dE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->table_size) {
+var = 0;
+} else {
+var = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idtype;
+}
+if (unlikely(!var)) {
+var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 123);
+fatal_exit(1);
+}
+var_e = p0;
+{
+{ /* Inline ordered_tree$OrderedTree$parents (self) on <self:OrderedTree[Object]> */
+var3 = self->attrs[COLOR_ordered_tree__OrderedTree___parents].val; /* _parents on <self:OrderedTree[Object]> */
+if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _parents");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 73);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = core___core__HashMap___core__abstract_collection__MapRead__get_or_null(var1, var_e);
+}
+var_old_parent = var4;
+if (var_old_parent == NULL) {
+var5 = 0; /* is null */
+} else {
+var5 = 1; /* arg is null and recv is not */
+}
+if (0) {
+var6 = ((short int(*)(val* self, val* p0))((((long)var_old_parent&3)?class_info[((long)var_old_parent&3)]:var_old_parent->class)->vft[COLOR_core__kernel__Object___33d_61d]))(var_old_parent, ((val*)NULL)); /* != on <var_old_parent:nullable Object>*/
+var5 = var6;
+}
+if (var5){
+{
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var9 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
+fatal_exit(1);
+}
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+var10 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var7, var_old_parent);
+}
+var_subs = var10;
+{
+core___core__AbstractArray___core__abstract_collection__RemovableCollection__remove(var_subs, var_e); /* Direct call array$AbstractArray$remove on <var_subs:Array[Object]>*/
+}
+{
+var11 = core___core__AbstractArrayRead___core__abstract_collection__Collection__is_empty(var_subs);
+}
+if (var11){
+{
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var14 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
+fatal_exit(1);
+}
+var12 = var14;
+RET_LABEL13:(void)0;
+}
+}
+{
+var15 = core___core__HashMap___core__abstract_collection__MapRead__keys(var12);
+}
+{
+((void(*)(val* self, val* p0))((((long)var15&3)?class_info[((long)var15&3)]:var15->class)->vft[COLOR_core__abstract_collection__RemovableCollection__remove]))(var15, var_old_parent); /* remove on <var15:RemovableCollection[nullable Object](RemovableCollection[Object])>*/
+}
+} else {
+}
+} else {
+{
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
+var18 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
+if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
+fatal_exit(1);
+}
+var16 = var18;
+RET_LABEL17:(void)0;
+}
+}
+{
+var19 = core___core__AbstractArrayRead___core__abstract_collection__Collection__has(var16, var_e);
+}
+if (var19){
+{
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
+var22 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
+if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
+fatal_exit(1);
+}
+var20 = var22;
+RET_LABEL21:(void)0;
+}
+}
+{
+core___core__AbstractArray___core__abstract_collection__RemovableCollection__remove(var20, var_e); /* Direct call array$AbstractArray$remove on <var20:Array[Object]>*/
+}
+} else {
+}
+}
+RET_LABEL:;
+}
+/* method ordered_tree$OrderedTree$write_to for (self: OrderedTree[Object], Writer) */
+void ordered_tree___ordered_tree__OrderedTree___core__stream__Writable__write_to(val* self, val* p0) {
 val* var_stream /* var stream: Writer */;
 val* var /* : Array[Object] */;
 val* var2 /* : Array[Object] */;
 val* var_ /* var : Array[Object] */;
-val* var3 /* : ArrayIterator[nullable Object] */;
-val* var_4 /* var : ArrayIterator[Object] */;
+val* var3 /* : IndexedIterator[nullable Object] */;
+val* var_4 /* var : IndexedIterator[Object] */;
 short int var5 /* : Bool */;
 val* var6 /* : nullable Object */;
 val* var_r /* var r: Object */;
-val* var7 /* : String */;
 static val* varonce;
-val* var8 /* : String */;
-char* var9 /* : NativeString */;
-val* var10 /* : FlatString */;
-static val* varonce11;
-val* var12 /* : String */;
-char* var13 /* : NativeString */;
-val* var14 /* : FlatString */;
+val* var7 /* : String */;
+char* var8 /* : CString */;
+val* var9 /* : String */;
+val* var10 /* : nullable Int */;
+val* var11 /* : nullable Int */;
+val* var12 /* : nullable Bool */;
+val* var13 /* : nullable Bool */;
+static val* varonce14;
+val* var15 /* : String */;
+char* var16 /* : CString */;
+val* var17 /* : String */;
+val* var18 /* : nullable Int */;
+val* var19 /* : nullable Int */;
+val* var20 /* : nullable Bool */;
+val* var21 /* : nullable Bool */;
 var_stream = p0;
 {
-{ /* Inline ordered_tree#OrderedTree#roots (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
 var2 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var = var2;
@@ -216,60 +609,62 @@ RET_LABEL1:(void)0;
 }
 var_ = var;
 {
-var3 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+var3 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
 var_4 = var3;
 for(;;) {
 {
-var5 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_4);
+var5 = ((short int(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_4); /* is_ok on <var_4:IndexedIterator[Object]>*/
 }
 if (var5){
-{
-var6 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_4);
-}
-var_r = var6;
-{
-var7 = ordered_tree___ordered_tree__OrderedTree___display(self, var_r);
+} else {
+goto BREAK_label;
 }
 {
-standard___standard__FileWriter___standard__stream__Writer__write(var_stream, var7); /* Direct call file#FileWriter#write on <var_stream:Writer>*/
+var6 = ((val*(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_4); /* item on <var_4:IndexedIterator[Object]>*/
 }
+var_r = var6;
 if (likely(varonce!=NULL)) {
-var8 = varonce;
+var7 = varonce;
 } else {
-var9 = "\n";
-var10 = standard___standard__NativeString___to_s_with_length(var9, 1l);
-var8 = var10;
-varonce = var8;
+var8 = "";
+var10 = (val*)(0l<<2|1);
+var11 = (val*)(0l<<2|1);
+var12 = (val*)((long)(0)<<2|3);
+var13 = (val*)((long)(0)<<2|3);
+var9 = core__flat___CString___to_s_unsafe(var8, var10, var11, var12, var13);
+var7 = var9;
+varonce = var7;
 }
 {
-standard___standard__FileWriter___standard__stream__Writer__write(var_stream, var8); /* Direct call file#FileWriter#write on <var_stream:Writer>*/
+ordered_tree___ordered_tree__OrderedTree___write_line(self, var_stream, var_r, var7); /* Direct call ordered_tree$OrderedTree$write_line on <self:OrderedTree[Object]>*/
 }
-if (likely(varonce11!=NULL)) {
-var12 = varonce11;
+if (likely(varonce14!=NULL)) {
+var15 = varonce14;
 } else {
-var13 = "";
-var14 = standard___standard__NativeString___to_s_with_length(var13, 0l);
-var12 = var14;
-varonce11 = var12;
+var16 = "";
+var18 = (val*)(0l<<2|1);
+var19 = (val*)(0l<<2|1);
+var20 = (val*)((long)(0)<<2|3);
+var21 = (val*)((long)(0)<<2|3);
+var17 = core__flat___CString___to_s_unsafe(var16, var18, var19, var20, var21);
+var15 = var17;
+varonce14 = var15;
 }
 {
-ordered_tree___ordered_tree__OrderedTree___sub_write_to(self, var_stream, var_r, var12); /* Direct call ordered_tree#OrderedTree#sub_write_to on <self:OrderedTree[Object]>*/
+ordered_tree___ordered_tree__OrderedTree___sub_write_to(self, var_stream, var_r, var15); /* Direct call ordered_tree$OrderedTree$sub_write_to on <self:OrderedTree[Object]>*/
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_4); /* Direct call array#ArrayIterator#next on <var_4:ArrayIterator[Object]>*/
-}
-} else {
-goto BREAK_label;
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_4); /* next on <var_4:IndexedIterator[Object]>*/
 }
 }
 BREAK_label: (void)0;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__finish(var_4); /* Direct call array#ArrayIterator#finish on <var_4:ArrayIterator[Object]>*/
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_4); /* finish on <var_4:IndexedIterator[Object]>*/
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTree#sub_write_to for (self: OrderedTree[Object], Writer, Object, String) */
+/* method ordered_tree$OrderedTree$sub_write_to for (self: OrderedTree[Object], Writer, Object, String) */
 void ordered_tree___ordered_tree__OrderedTree___sub_write_to(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 int cltype;
@@ -287,49 +682,52 @@ val* var6 /* : HashMap[Object, Array[Object]] */;
 val* var8 /* : HashMap[Object, Array[Object]] */;
 val* var9 /* : nullable Object */;
 val* var_subs /* var subs: Array[Object] */;
-val* var10 /* : nullable Object */;
+short int var10 /* : Bool */;
+val* var11 /* : nullable Object */;
 val* var_last /* var last: Object */;
 val* var_ /* var : Array[Object] */;
-val* var11 /* : ArrayIterator[nullable Object] */;
-val* var_12 /* var : ArrayIterator[Object] */;
-short int var13 /* : Bool */;
-val* var14 /* : nullable Object */;
+val* var12 /* : IndexedIterator[nullable Object] */;
+val* var_13 /* var : IndexedIterator[Object] */;
+short int var14 /* : Bool */;
+val* var15 /* : nullable Object */;
 val* var_e2 /* var e2: Object */;
-short int var15 /* : Bool */;
-val* var16 /* : NativeArray[String] */;
+short int var16 /* : Bool */;
 static val* varonce;
-static val* varonce17;
-val* var18 /* : String */;
-char* var19 /* : NativeString */;
-val* var20 /* : FlatString */;
-static val* varonce21;
-val* var22 /* : String */;
-char* var23 /* : NativeString */;
-val* var24 /* : FlatString */;
-val* var25 /* : String */;
+val* var17 /* : String */;
+char* var18 /* : CString */;
+val* var19 /* : String */;
+val* var20 /* : nullable Int */;
+val* var21 /* : nullable Int */;
+val* var22 /* : nullable Bool */;
+val* var23 /* : nullable Bool */;
+val* var24 /* : Text */;
+static val* varonce25;
 val* var26 /* : String */;
-static val* varonce27;
+char* var27 /* : CString */;
 val* var28 /* : String */;
-char* var29 /* : NativeString */;
-val* var30 /* : FlatString */;
-val* var31 /* : String */;
-val* var33 /* : NativeArray[String] */;
-static val* varonce32;
+val* var29 /* : nullable Int */;
+val* var30 /* : nullable Int */;
+val* var31 /* : nullable Bool */;
+val* var32 /* : nullable Bool */;
+val* var33 /* : Text */;
 static val* varonce34;
 val* var35 /* : String */;
-char* var36 /* : NativeString */;
-val* var37 /* : FlatString */;
-static val* varonce38;
-val* var39 /* : String */;
-char* var40 /* : NativeString */;
-val* var41 /* : FlatString */;
-val* var42 /* : String */;
-val* var43 /* : String */;
-static val* varonce44;
-val* var45 /* : String */;
-char* var46 /* : NativeString */;
-val* var47 /* : FlatString */;
-val* var48 /* : String */;
+char* var36 /* : CString */;
+val* var37 /* : String */;
+val* var38 /* : nullable Int */;
+val* var39 /* : nullable Int */;
+val* var40 /* : nullable Bool */;
+val* var41 /* : nullable Bool */;
+val* var42 /* : Text */;
+static val* varonce43;
+val* var44 /* : String */;
+char* var45 /* : CString */;
+val* var46 /* : String */;
+val* var47 /* : nullable Int */;
+val* var48 /* : nullable Int */;
+val* var49 /* : nullable Bool */;
+val* var50 /* : nullable Bool */;
+val* var51 /* : Text */;
 /* Covariant cast for argument 1 (e) <p1:Object> isa E */
 /* <p1:Object> isa E */
 type_struct = self->type->resolution_table->types[COLOR_ordered_tree__OrderedTree___35dE];
@@ -343,18 +741,21 @@ var = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype] == idt
 if (unlikely(!var)) {
 var_class_name = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 97);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 155);
 fatal_exit(1);
 }
 var_o = p0;
 var_e = p1;
 var_prefix = p2;
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
 var3 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var1 = var3;
@@ -362,7 +763,7 @@ RET_LABEL2:(void)0;
 }
 }
 {
-var4 = standard___standard__HashMap___standard__abstract_collection__MapRead__has_key(var1, var_e);
+var4 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var1, var_e);
 }
 var5 = !var4;
 if (var5){
@@ -370,11 +771,14 @@ goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
 var8 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
 if (unlikely(var8 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var6 = var8;
@@ -382,147 +786,200 @@ RET_LABEL7:(void)0;
 }
 }
 {
-var9 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var6, var_e);
+var9 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var6, var_e);
 }
 var_subs = var9;
 {
-var10 = standard___standard__SequenceRead___last(var_subs);
+var10 = core___core__AbstractArrayRead___core__abstract_collection__Collection__is_empty(var_subs);
+}
+if (var10){
+goto RET_LABEL;
+} else {
+}
+{
+var11 = core___core__SequenceRead___last(var_subs);
 }
-var_last = var10;
+var_last = var11;
 var_ = var_subs;
 {
-var11 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+var12 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
-var_12 = var11;
+var_13 = var12;
 for(;;) {
 {
-var13 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_12);
+var14 = ((short int(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_13); /* is_ok on <var_13:IndexedIterator[Object]>*/
+}
+if (var14){
+} else {
+goto BREAK_label;
 }
-if (var13){
 {
-var14 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_12);
+var15 = ((val*(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_13); /* item on <var_13:IndexedIterator[Object]>*/
 }
-var_e2 = var14;
+var_e2 = var15;
 {
-var15 = ((short int(*)(val* self, val* p0))((((long)var_e2&3)?class_info[((long)var_e2&3)]:var_e2->class)->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e2, var_last); /* != on <var_e2:Object>*/
+var16 = ((short int(*)(val* self, val* p0))((((long)var_e2&3)?class_info[((long)var_e2&3)]:var_e2->class)->vft[COLOR_core__kernel__Object___33d_61d]))(var_e2, var_last); /* != on <var_e2:Object>*/
 }
-if (var15){
-if (unlikely(varonce==NULL)) {
-var16 = NEW_standard__NativeArray(4l, &type_standard__NativeArray__standard__String);
-if (likely(varonce17!=NULL)) {
-var18 = varonce17;
-} else {
-var19 = "|--";
-var20 = standard___standard__NativeString___to_s_with_length(var19, 3l);
-var18 = var20;
-varonce17 = var18;
-}
-((struct instance_standard__NativeArray*)var16)->values[1]=var18;
-if (likely(varonce21!=NULL)) {
-var22 = varonce21;
+if (var16){
+if (likely(varonce!=NULL)) {
+var17 = varonce;
 } else {
-var23 = "\n";
-var24 = standard___standard__NativeString___to_s_with_length(var23, 1l);
-var22 = var24;
-varonce21 = var22;
+var18 = "|--";
+var20 = (val*)(3l<<2|1);
+var21 = (val*)(3l<<2|1);
+var22 = (val*)((long)(0)<<2|3);
+var23 = (val*)((long)(0)<<2|3);
+var19 = core__flat___CString___to_s_unsafe(var18, var20, var21, var22, var23);
+var17 = var19;
+varonce = var17;
 }
-((struct instance_standard__NativeArray*)var16)->values[3]=var22;
-} else {
-var16 = varonce;
-varonce = NULL;
+{
+var24 = ((val*(*)(val* self, val* p0))(var_prefix->class->vft[COLOR_core__abstract_text__Text___43d]))(var_prefix, var17); /* + on <var_prefix:String>*/
 }
-((struct instance_standard__NativeArray*)var16)->values[0]=var_prefix;
 {
-var25 = ordered_tree___ordered_tree__OrderedTree___display(self, var_e2);
+ordered_tree___ordered_tree__OrderedTree___write_line(self, var_o, var_e2, var24); /* Direct call ordered_tree$OrderedTree$write_line on <self:OrderedTree[Object]>*/
+}
+if (likely(varonce25!=NULL)) {
+var26 = varonce25;
+} else {
+var27 = "|  ";
+var29 = (val*)(3l<<2|1);
+var30 = (val*)(3l<<2|1);
+var31 = (val*)((long)(0)<<2|3);
+var32 = (val*)((long)(0)<<2|3);
+var28 = core__flat___CString___to_s_unsafe(var27, var29, var30, var31, var32);
+var26 = var28;
+varonce25 = var26;
 }
-((struct instance_standard__NativeArray*)var16)->values[2]=var25;
 {
-var26 = ((val*(*)(val* self))(var16->class->vft[COLOR_standard__string__NativeArray__native_to_s]))(var16); /* native_to_s on <var16:NativeArray[String]>*/
+var33 = ((val*(*)(val* self, val* p0))(var_prefix->class->vft[COLOR_core__abstract_text__Text___43d]))(var_prefix, var26); /* + on <var_prefix:String>*/
 }
-varonce = var16;
 {
-standard___standard__FileWriter___standard__stream__Writer__write(var_o, var26); /* Direct call file#FileWriter#write on <var_o:Writer>*/
+ordered_tree___ordered_tree__OrderedTree___sub_write_to(self, var_o, var_e2, var33); /* Direct call ordered_tree$OrderedTree$sub_write_to on <self:OrderedTree[Object]>*/
 }
-if (likely(varonce27!=NULL)) {
-var28 = varonce27;
 } else {
-var29 = "|  ";
-var30 = standard___standard__NativeString___to_s_with_length(var29, 3l);
-var28 = var30;
-varonce27 = var28;
+if (likely(varonce34!=NULL)) {
+var35 = varonce34;
+} else {
+var36 = "`--";
+var38 = (val*)(3l<<2|1);
+var39 = (val*)(3l<<2|1);
+var40 = (val*)((long)(0)<<2|3);
+var41 = (val*)((long)(0)<<2|3);
+var37 = core__flat___CString___to_s_unsafe(var36, var38, var39, var40, var41);
+var35 = var37;
+varonce34 = var35;
 }
 {
-var31 = ((val*(*)(val* self, val* p0))(var_prefix->class->vft[COLOR_standard__string__String___43d]))(var_prefix, var28); /* + on <var_prefix:String>*/
+var42 = ((val*(*)(val* self, val* p0))(var_prefix->class->vft[COLOR_core__abstract_text__Text___43d]))(var_prefix, var35); /* + on <var_prefix:String>*/
 }
 {
-ordered_tree___ordered_tree__OrderedTree___sub_write_to(self, var_o, var_e2, var31); /* Direct call ordered_tree#OrderedTree#sub_write_to on <self:OrderedTree[Object]>*/
+ordered_tree___ordered_tree__OrderedTree___write_line(self, var_o, var_e2, var42); /* Direct call ordered_tree$OrderedTree$write_line on <self:OrderedTree[Object]>*/
 }
+if (likely(varonce43!=NULL)) {
+var44 = varonce43;
 } else {
-if (unlikely(varonce32==NULL)) {
-var33 = NEW_standard__NativeArray(4l, &type_standard__NativeArray__standard__String);
-if (likely(varonce34!=NULL)) {
-var35 = varonce34;
+var45 = "   ";
+var47 = (val*)(3l<<2|1);
+var48 = (val*)(3l<<2|1);
+var49 = (val*)((long)(0)<<2|3);
+var50 = (val*)((long)(0)<<2|3);
+var46 = core__flat___CString___to_s_unsafe(var45, var47, var48, var49, var50);
+var44 = var46;
+varonce43 = var44;
+}
+{
+var51 = ((val*(*)(val* self, val* p0))(var_prefix->class->vft[COLOR_core__abstract_text__Text___43d]))(var_prefix, var44); /* + on <var_prefix:String>*/
+}
+{
+ordered_tree___ordered_tree__OrderedTree___sub_write_to(self, var_o, var_e2, var51); /* Direct call ordered_tree$OrderedTree$sub_write_to on <self:OrderedTree[Object]>*/
+}
+}
+{
+((void(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_13); /* next on <var_13:IndexedIterator[Object]>*/
+}
+}
+BREAK_label: (void)0;
+{
+((void(*)(val* self))((((long)var_13&3)?class_info[((long)var_13&3)]:var_13->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_13); /* finish on <var_13:IndexedIterator[Object]>*/
+}
+RET_LABEL:;
+}
+/* method ordered_tree$OrderedTree$write_line for (self: OrderedTree[Object], Writer, Object, String) */
+void ordered_tree___ordered_tree__OrderedTree___write_line(val* self, val* p0, val* p1, val* p2) {
+short int var /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+val* var_o /* var o: Writer */;
+val* var_e /* var e: Object */;
+val* var_prefix /* var prefix: String */;
+val* var1 /* : NativeArray[String] */;
+static val* varonce;
+static val* varonce2;
+val* var3 /* : String */;
+char* var4 /* : CString */;
+val* var5 /* : String */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Int */;
+val* var8 /* : nullable Bool */;
+val* var9 /* : nullable Bool */;
+val* var10 /* : String */;
+val* var11 /* : String */;
+/* Covariant cast for argument 1 (e) <p1:Object> isa E */
+/* <p1:Object> isa E */
+type_struct = self->type->resolution_table->types[COLOR_ordered_tree__OrderedTree___35dE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->table_size) {
+var = 0;
 } else {
-var36 = "`--";
-var37 = standard___standard__NativeString___to_s_with_length(var36, 3l);
-var35 = var37;
-varonce34 = var35;
+var = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype] == idtype;
 }
-((struct instance_standard__NativeArray*)var33)->values[1]=var35;
-if (likely(varonce38!=NULL)) {
-var39 = varonce38;
-} else {
-var40 = "\n";
-var41 = standard___standard__NativeString___to_s_with_length(var40, 1l);
-var39 = var41;
-varonce38 = var39;
+if (unlikely(!var)) {
+var_class_name = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 172);
+fatal_exit(1);
 }
-((struct instance_standard__NativeArray*)var33)->values[3]=var39;
+var_o = p0;
+var_e = p1;
+var_prefix = p2;
+if (unlikely(varonce==NULL)) {
+var1 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce2!=NULL)) {
+var3 = varonce2;
 } else {
-var33 = varonce32;
-varonce32 = NULL;
-}
-((struct instance_standard__NativeArray*)var33)->values[0]=var_prefix;
-{
-var42 = ordered_tree___ordered_tree__OrderedTree___display(self, var_e2);
-}
-((struct instance_standard__NativeArray*)var33)->values[2]=var42;
-{
-var43 = ((val*(*)(val* self))(var33->class->vft[COLOR_standard__string__NativeArray__native_to_s]))(var33); /* native_to_s on <var33:NativeArray[String]>*/
-}
-varonce32 = var33;
-{
-standard___standard__FileWriter___standard__stream__Writer__write(var_o, var43); /* Direct call file#FileWriter#write on <var_o:Writer>*/
+var4 = "\n";
+var6 = (val*)(1l<<2|1);
+var7 = (val*)(1l<<2|1);
+var8 = (val*)((long)(0)<<2|3);
+var9 = (val*)((long)(0)<<2|3);
+var5 = core__flat___CString___to_s_unsafe(var4, var6, var7, var8, var9);
+var3 = var5;
+varonce2 = var3;
 }
-if (likely(varonce44!=NULL)) {
-var45 = varonce44;
+((struct instance_core__NativeArray*)var1)->values[2]=var3;
 } else {
-var46 = "   ";
-var47 = standard___standard__NativeString___to_s_with_length(var46, 3l);
-var45 = var47;
-varonce44 = var45;
-}
-{
-var48 = ((val*(*)(val* self, val* p0))(var_prefix->class->vft[COLOR_standard__string__String___43d]))(var_prefix, var45); /* + on <var_prefix:String>*/
+var1 = varonce;
+varonce = NULL;
 }
+((struct instance_core__NativeArray*)var1)->values[0]=var_prefix;
 {
-ordered_tree___ordered_tree__OrderedTree___sub_write_to(self, var_o, var_e2, var48); /* Direct call ordered_tree#OrderedTree#sub_write_to on <self:OrderedTree[Object]>*/
-}
+var10 = ordered_tree___ordered_tree__OrderedTree___display(self, var_e);
 }
+((struct instance_core__NativeArray*)var1)->values[1]=var10;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_12); /* Direct call array#ArrayIterator#next on <var_12:ArrayIterator[Object]>*/
-}
-} else {
-goto BREAK_label;
+var11 = ((val*(*)(val* self))(var1->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var1); /* native_to_s on <var1:NativeArray[String]>*/
 }
-}
-BREAK_label: (void)0;
+varonce = var1;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__finish(var_12); /* Direct call array#ArrayIterator#finish on <var_12:ArrayIterator[Object]>*/
+core___core__FileWriter___core__stream__Writer__write(var_o, var11); /* Direct call file$FileWriter$write on <var_o:Writer>*/
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTree#sort_with for (self: OrderedTree[Object], Comparator) */
+/* method ordered_tree$OrderedTree$sort_with for (self: OrderedTree[Object], Comparator) */
 void ordered_tree___ordered_tree__OrderedTree___sort_with(val* self, val* p0) {
 val* var_comparator /* var comparator: Comparator */;
 val* var /* : Array[Object] */;
@@ -538,11 +995,14 @@ val* var10 /* : nullable Object */;
 val* var_a /* var a: Array[Object] */;
 var_comparator = p0;
 {
-{ /* Inline ordered_tree#OrderedTree#roots (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
 var2 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var = var2;
@@ -550,14 +1010,17 @@ RET_LABEL1:(void)0;
 }
 }
 {
-standard___standard__Comparator___sort(var_comparator, var); /* Direct call sorter#Comparator#sort on <var_comparator:Comparator>*/
+core___core__Comparator___sort(var_comparator, var); /* Direct call sorter$Comparator$sort on <var_comparator:Comparator>*/
 }
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
 var5 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
 if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var3 = var5;
@@ -565,39 +1028,39 @@ RET_LABEL4:(void)0;
 }
 }
 {
-var6 = standard___standard__HashMap___standard__abstract_collection__MapRead__values(var3);
+var6 = core___core__HashMap___core__abstract_collection__MapRead__values(var3);
 }
 var_ = var6;
 {
-var7 = ((val*(*)(val* self))((((long)var_&3)?class_info[((long)var_&3)]:var_->class)->vft[COLOR_standard__abstract_collection__Collection__iterator]))(var_); /* iterator on <var_:RemovableCollection[Array[Object]]>*/
+var7 = ((val*(*)(val* self))((((long)var_&3)?class_info[((long)var_&3)]:var_->class)->vft[COLOR_core__abstract_collection__Collection__iterator]))(var_); /* iterator on <var_:RemovableCollection[Array[Object]]>*/
 }
 var_8 = var7;
 for(;;) {
 {
-var9 = ((short int(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_8); /* is_ok on <var_8:Iterator[Array[Object]]>*/
+var9 = ((short int(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_8); /* is_ok on <var_8:Iterator[Array[Object]]>*/
 }
 if (var9){
+} else {
+goto BREAK_label;
+}
 {
-var10 = ((val*(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_8); /* item on <var_8:Iterator[Array[Object]]>*/
+var10 = ((val*(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_8); /* item on <var_8:Iterator[Array[Object]]>*/
 }
 var_a = var10;
 {
-standard___standard__Comparator___sort(var_comparator, var_a); /* Direct call sorter#Comparator#sort on <var_comparator:Comparator>*/
+core___core__Comparator___sort(var_comparator, var_a); /* Direct call sorter$Comparator$sort on <var_comparator:Comparator>*/
 }
 {
-((void(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_8); /* next on <var_8:Iterator[Array[Object]]>*/
-}
-} else {
-goto BREAK_label;
+((void(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_8); /* next on <var_8:Iterator[Array[Object]]>*/
 }
 }
 BREAK_label: (void)0;
 {
-((void(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_standard__abstract_collection__Iterator__finish]))(var_8); /* finish on <var_8:Iterator[Array[Object]]>*/
+((void(*)(val* self))((((long)var_8&3)?class_info[((long)var_8&3)]:var_8->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_8); /* finish on <var_8:Iterator[Array[Object]]>*/
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTree#display for (self: OrderedTree[Object], Object): String */
+/* method ordered_tree$OrderedTree$display for (self: OrderedTree[Object], Object): String */
 val* ordered_tree___ordered_tree__OrderedTree___display(val* self, val* p0) {
 val* var /* : String */;
 short int var1 /* : Bool */;
@@ -620,42 +1083,45 @@ var1 = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == id
 if (unlikely(!var1)) {
 var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 123);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 196);
 fatal_exit(1);
 }
 var_e = p0;
 {
-var2 = ((val*(*)(val* self))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__string__Object__to_s]))(var_e); /* to_s on <var_e:Object>*/
+var2 = ((val*(*)(val* self))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_core__abstract_text__Object__to_s]))(var_e); /* to_s on <var_e:Object>*/
 }
 var = var2;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTree#to_a for (self: OrderedTree[Object]): Array[Object] */
-val* ordered_tree___ordered_tree__OrderedTree___standard__array__Collection__to_a(val* self) {
+/* method ordered_tree$OrderedTree$to_a for (self: OrderedTree[Object]): Array[Object] */
+val* ordered_tree___ordered_tree__OrderedTree___core__array__Collection__to_a(val* self) {
 val* var /* : Array[Object] */;
 val* var1 /* : Array[Object] */;
 val* var_res /* var res: Array[Object] */;
 val* var2 /* : Array[Object] */;
 val* var4 /* : Array[Object] */;
 val* var_ /* var : Array[Object] */;
-val* var5 /* : ArrayIterator[nullable Object] */;
-val* var_6 /* var : ArrayIterator[Object] */;
+val* var5 /* : IndexedIterator[nullable Object] */;
+val* var_6 /* var : IndexedIterator[Object] */;
 short int var7 /* : Bool */;
 val* var8 /* : nullable Object */;
 val* var_r /* var r: Object */;
-var1 = NEW_standard__Array(self->type->resolution_table->types[COLOR_standard__Array__ordered_tree__OrderedTree___35dE]);
+var1 = NEW_core__Array(self->type->resolution_table->types[COLOR_core__Array__ordered_tree__OrderedTree___35dE]);
 {
-standard___standard__Array___standard__kernel__Object__init(var1); /* Direct call array#Array#init on <var1:Array[Object]>*/
+core___core__Array___core__kernel__Object__init(var1); /* Direct call array$Array$init on <var1:Array[Object]>*/
 }
 var_res = var1;
 {
-{ /* Inline ordered_tree#OrderedTree#roots (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
 var4 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
 if (unlikely(var4 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var2 = var4;
@@ -664,38 +1130,38 @@ RET_LABEL3:(void)0;
 }
 var_ = var2;
 {
-var5 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+var5 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
 var_6 = var5;
 for(;;) {
 {
-var7 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_6);
+var7 = ((short int(*)(val* self))((((long)var_6&3)?class_info[((long)var_6&3)]:var_6->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_6); /* is_ok on <var_6:IndexedIterator[Object]>*/
 }
 if (var7){
+} else {
+goto BREAK_label;
+}
 {
-var8 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_6);
+var8 = ((val*(*)(val* self))((((long)var_6&3)?class_info[((long)var_6&3)]:var_6->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_6); /* item on <var_6:IndexedIterator[Object]>*/
 }
 var_r = var8;
 {
-ordered_tree___ordered_tree__OrderedTree___sub_to_a(self, var_r, var_res); /* Direct call ordered_tree#OrderedTree#sub_to_a on <self:OrderedTree[Object]>*/
+ordered_tree___ordered_tree__OrderedTree___sub_to_a(self, var_r, var_res); /* Direct call ordered_tree$OrderedTree$sub_to_a on <self:OrderedTree[Object]>*/
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_6); /* Direct call array#ArrayIterator#next on <var_6:ArrayIterator[Object]>*/
-}
-} else {
-goto BREAK_label;
+((void(*)(val* self))((((long)var_6&3)?class_info[((long)var_6&3)]:var_6->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_6); /* next on <var_6:IndexedIterator[Object]>*/
 }
 }
 BREAK_label: (void)0;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__finish(var_6); /* Direct call array#ArrayIterator#finish on <var_6:ArrayIterator[Object]>*/
+((void(*)(val* self))((((long)var_6&3)?class_info[((long)var_6&3)]:var_6->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_6); /* finish on <var_6:IndexedIterator[Object]>*/
 }
 var = var_res;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTree#sub_to_a for (self: OrderedTree[Object], Object, Array[Object]) */
+/* method ordered_tree$OrderedTree$sub_to_a for (self: OrderedTree[Object], Object, Array[Object]) */
 void ordered_tree___ordered_tree__OrderedTree___sub_to_a(val* self, val* p0, val* p1) {
 short int var /* : Bool */;
 int cltype;
@@ -716,8 +1182,8 @@ val* var10 /* : HashMap[Object, Array[Object]] */;
 val* var12 /* : HashMap[Object, Array[Object]] */;
 val* var13 /* : nullable Object */;
 val* var_ /* var : Array[Object] */;
-val* var14 /* : ArrayIterator[nullable Object] */;
-val* var_15 /* var : ArrayIterator[Object] */;
+val* var14 /* : IndexedIterator[nullable Object] */;
+val* var_15 /* var : IndexedIterator[Object] */;
 short int var16 /* : Bool */;
 val* var17 /* : nullable Object */;
 val* var_e2 /* var e2: Object */;
@@ -734,12 +1200,12 @@ var = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idt
 if (unlikely(!var)) {
 var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 150);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 218);
 fatal_exit(1);
 }
 /* Covariant cast for argument 1 (res) <p1:Array[Object]> isa Array[E] */
 /* <p1:Array[Object]> isa Array[E] */
-type_struct4 = self->type->resolution_table->types[COLOR_standard__Array__ordered_tree__OrderedTree___35dE];
+type_struct4 = self->type->resolution_table->types[COLOR_core__Array__ordered_tree__OrderedTree___35dE];
 cltype2 = type_struct4->color;
 idtype3 = type_struct4->id;
 if(cltype2 >= p1->type->table_size) {
@@ -750,20 +1216,23 @@ var1 = p1->type->type_table[cltype2] == idtype3;
 if (unlikely(!var1)) {
 var_class_name5 = p1 == NULL ? "null" : p1->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "Array[E]", var_class_name5);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 150);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 218);
 fatal_exit(1);
 }
 var_e = p0;
 var_res = p1;
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var_res, var_e); /* Direct call array#Array#add on <var_res:Array[Object]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_res, var_e); /* Direct call array$Array$add on <var_res:Array[Object]>*/
 }
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
 var8 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
 if (unlikely(var8 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var6 = var8;
@@ -771,15 +1240,18 @@ RET_LABEL7:(void)0;
 }
 }
 {
-var9 = standard___standard__HashMap___standard__abstract_collection__MapRead__has_key(var6, var_e);
+var9 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var6, var_e);
 }
 if (var9){
 {
-{ /* Inline ordered_tree#OrderedTree#sub (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
 var12 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
 if (unlikely(var12 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var10 = var12;
@@ -787,52 +1259,55 @@ RET_LABEL11:(void)0;
 }
 }
 {
-var13 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var10, var_e);
+var13 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var10, var_e);
 }
 var_ = var13;
 {
-var14 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+var14 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
 var_15 = var14;
 for(;;) {
 {
-var16 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_15);
+var16 = ((short int(*)(val* self))((((long)var_15&3)?class_info[((long)var_15&3)]:var_15->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_15); /* is_ok on <var_15:IndexedIterator[Object]>*/
 }
 if (var16){
+} else {
+goto BREAK_label;
+}
 {
-var17 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_15);
+var17 = ((val*(*)(val* self))((((long)var_15&3)?class_info[((long)var_15&3)]:var_15->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_15); /* item on <var_15:IndexedIterator[Object]>*/
 }
 var_e2 = var17;
 {
-ordered_tree___ordered_tree__OrderedTree___sub_to_a(self, var_e2, var_res); /* Direct call ordered_tree#OrderedTree#sub_to_a on <self:OrderedTree[Object]>*/
+ordered_tree___ordered_tree__OrderedTree___sub_to_a(self, var_e2, var_res); /* Direct call ordered_tree$OrderedTree$sub_to_a on <self:OrderedTree[Object]>*/
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_15); /* Direct call array#ArrayIterator#next on <var_15:ArrayIterator[Object]>*/
-}
-} else {
-goto BREAK_label;
+((void(*)(val* self))((((long)var_15&3)?class_info[((long)var_15&3)]:var_15->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_15); /* next on <var_15:IndexedIterator[Object]>*/
 }
 }
 BREAK_label: (void)0;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__finish(var_15); /* Direct call array#ArrayIterator#finish on <var_15:ArrayIterator[Object]>*/
+((void(*)(val* self))((((long)var_15&3)?class_info[((long)var_15&3)]:var_15->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_15); /* finish on <var_15:IndexedIterator[Object]>*/
 }
 } else {
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTree#is_empty for (self: OrderedTree[Object]): Bool */
-short int ordered_tree___ordered_tree__OrderedTree___standard__abstract_collection__Collection__is_empty(val* self) {
+/* method ordered_tree$OrderedTree$is_empty for (self: OrderedTree[Object]): Bool */
+short int ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__is_empty(val* self) {
 short int var /* : Bool */;
 val* var1 /* : Array[Object] */;
 val* var3 /* : Array[Object] */;
 short int var4 /* : Bool */;
 {
-{ /* Inline ordered_tree#OrderedTree#roots (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
 var3 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var1 = var3;
@@ -840,25 +1315,28 @@ RET_LABEL2:(void)0;
 }
 }
 {
-var4 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__is_empty(var1);
+var4 = core___core__AbstractArrayRead___core__abstract_collection__Collection__is_empty(var1);
 }
 var = var4;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTree#first for (self: OrderedTree[Object]): Object */
-val* ordered_tree___ordered_tree__OrderedTree___standard__abstract_collection__Collection__first(val* self) {
+/* method ordered_tree$OrderedTree$first for (self: OrderedTree[Object]): Object */
+val* ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__first(val* self) {
 val* var /* : Object */;
 val* var1 /* : Array[Object] */;
 val* var3 /* : Array[Object] */;
 val* var4 /* : nullable Object */;
 {
-{ /* Inline ordered_tree#OrderedTree#roots (self) on <self:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
 var3 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var1 = var3;
@@ -866,15 +1344,15 @@ RET_LABEL2:(void)0;
 }
 }
 {
-var4 = standard___standard__SequenceRead___Collection__first(var1);
+var4 = core___core__SequenceRead___Collection__first(var1);
 }
 var = var4;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTree#iterator for (self: OrderedTree[Object]): Iterator[Object] */
-val* ordered_tree___ordered_tree__OrderedTree___standard__abstract_collection__Collection__iterator(val* self) {
+/* method ordered_tree$OrderedTree$iterator for (self: OrderedTree[Object]): Iterator[Object] */
+val* ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__iterator(val* self) {
 val* var /* : Iterator[Object] */;
 val* var1 /* : OrderedTreeIterator[Object] */;
 var1 = NEW_ordered_tree__OrderedTreeIterator(self->type->resolution_table->types[COLOR_ordered_tree__OrderedTreeIterator__ordered_tree__OrderedTree___35dE]);
@@ -882,28 +1360,336 @@ var1 = NEW_ordered_tree__OrderedTreeIterator(self->type->resolution_table->types
 ((void(*)(val* self, val* p0))(var1->class->vft[COLOR_ordered_tree__OrderedTreeIterator__tree_61d]))(var1, self); /* tree= on <var1:OrderedTreeIterator[Object]>*/
 }
 {
-((void(*)(val* self))(var1->class->vft[COLOR_standard__kernel__Object__init]))(var1); /* init on <var1:OrderedTreeIterator[Object]>*/
+((void(*)(val* self))(var1->class->vft[COLOR_core__kernel__Object__init]))(var1); /* init on <var1:OrderedTreeIterator[Object]>*/
 }
 var = var1;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTreeIterator#tree for (self: OrderedTreeIterator[Object]): OrderedTree[Object] */
+/* method ordered_tree$OrderedTree$== for (self: OrderedTree[Object], nullable Object): Bool */
+short int ordered_tree___ordered_tree__OrderedTree___core__kernel__Object___61d_61d(val* self, val* p0) {
+short int var /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var1 /* : Bool */;
+int cltype;
+int idtype;
+short int var2 /* : Bool */;
+short int var3 /* : Bool */;
+val* var4 /* : Array[Object] */;
+val* var6 /* : Array[Object] */;
+val* var7 /* : Array[Object] */;
+val* var9 /* : Array[Object] */;
+short int var10 /* : Bool */;
+short int var_ /* var : Bool */;
+val* var11 /* : HashMap[Object, Array[Object]] */;
+val* var13 /* : HashMap[Object, Array[Object]] */;
+val* var14 /* : HashMap[Object, Array[Object]] */;
+val* var16 /* : HashMap[Object, Array[Object]] */;
+short int var17 /* : Bool */;
+var_other = p0;
+/* <var_other:nullable Object> isa OrderedTree[Object] */
+cltype = type_ordered_tree__OrderedTree__core__Object.color;
+idtype = type_ordered_tree__OrderedTree__core__Object.id;
+if(var_other == NULL) {
+var1 = 0;
+} else {
+if(cltype >= (((long)var_other&3)?type_info[((long)var_other&3)]:var_other->type)->table_size) {
+var1 = 0;
+} else {
+var1 = (((long)var_other&3)?type_info[((long)var_other&3)]:var_other->type)->type_table[cltype] == idtype;
+}
+}
+var2 = !var1;
+if (var2){
+var = 0;
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
+var6 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
+if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
+fatal_exit(1);
+}
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline ordered_tree$OrderedTree$roots (var_other) on <var_other:nullable Object(OrderedTree[Object])> */
+var9 = var_other->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <var_other:nullable Object(OrderedTree[Object])> */
+if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
+fatal_exit(1);
+}
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+var10 = core___core__Array___core__kernel__Object___61d_61d(var4, var7);
+}
+var_ = var10;
+if (var10){
+{
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var13 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
+fatal_exit(1);
+}
+var11 = var13;
+RET_LABEL12:(void)0;
+}
+}
+{
+{ /* Inline ordered_tree$OrderedTree$sub (var_other) on <var_other:nullable Object(OrderedTree[Object])> */
+var16 = var_other->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <var_other:nullable Object(OrderedTree[Object])> */
+if (unlikely(var16 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
+fatal_exit(1);
+}
+var14 = var16;
+RET_LABEL15:(void)0;
+}
+}
+{
+var17 = core___core__MapRead___core__kernel__Object___61d_61d(var11, var14);
+}
+var3 = var17;
+} else {
+var3 = var_;
+}
+var = var3;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method ordered_tree$OrderedTree$hash for (self: OrderedTree[Object]): Int */
+long ordered_tree___ordered_tree__OrderedTree___core__kernel__Object__hash(val* self) {
+long var /* : Int */;
+val* var1 /* : Array[Object] */;
+val* var3 /* : Array[Object] */;
+long var4 /* : Int */;
+val* var5 /* : HashMap[Object, Array[Object]] */;
+val* var7 /* : HashMap[Object, Array[Object]] */;
+long var8 /* : Int */;
+long var9 /* : Int */;
+short int var11 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var12 /* : Int */;
+{
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
+var3 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
+if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = core___core__SequenceRead___core__kernel__Object__hash(var1);
+}
+{
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var7 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
+fatal_exit(1);
+}
+var5 = var7;
+RET_LABEL6:(void)0;
+}
+}
+{
+var8 = core___core__MapRead___core__kernel__Object__hash(var5);
+}
+{
+{ /* Inline kernel$Int$+ (var4,var8) on <var4:Int> */
+/* Covariant cast for argument 0 (i) <var8:Int> isa OTHER */
+/* <var8:Int> isa OTHER */
+var11 = 1; /* easy <var8:Int> isa OTHER*/
+if (unlikely(!var11)) {
+var_class_name = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
+}
+var12 = var4 + var8;
+var9 = var12;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+}
+var = var9;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method ordered_tree$OrderedTree$clone for (self: OrderedTree[Object]): OrderedTree[Object] */
+val* ordered_tree___ordered_tree__OrderedTree___core__kernel__Cloneable__clone(val* self) {
+val* var /* : OrderedTree[Object] */;
+val* var1 /* : OrderedTree[Object] */;
+val* var_res /* var res: OrderedTree[Object] */;
+val* var3 /* : Array[Object] */;
+val* var5 /* : Array[Object] */;
+val* var6 /* : HashMap[Object, Array[Object]] */;
+val* var8 /* : HashMap[Object, Array[Object]] */;
+val* var_ /* var : HashMap[Object, Array[Object]] */;
+val* var9 /* : MapIterator[nullable Object, nullable Object] */;
+val* var_10 /* var : MapIterator[Object, Array[Object]] */;
+short int var11 /* : Bool */;
+val* var12 /* : nullable Object */;
+val* var_p /* var p: Object */;
+val* var13 /* : nullable Object */;
+val* var_es /* var es: Array[Object] */;
+short int var15 /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+var1 = NEW_ordered_tree__OrderedTree(self->type->resolution_table->types[COLOR_ordered_tree__OrderedTree__ordered_tree__OrderedTree___35dE]);
+{
+{ /* Inline kernel$Object$init (var1) on <var1:OrderedTree[Object]> */
+RET_LABEL2:(void)0;
+}
+}
+var_res = var1;
+{
+{ /* Inline ordered_tree$OrderedTree$roots (self) on <self:OrderedTree[Object]> */
+var5 = self->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <self:OrderedTree[Object]> */
+if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
+fatal_exit(1);
+}
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+{
+ordered_tree___ordered_tree__OrderedTree___add_all(var_res, ((val*)NULL), var3); /* Direct call ordered_tree$OrderedTree$add_all on <var_res:OrderedTree[Object]>*/
+}
+{
+{ /* Inline ordered_tree$OrderedTree$sub (self) on <self:OrderedTree[Object]> */
+var8 = self->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <self:OrderedTree[Object]> */
+if (unlikely(var8 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
+fatal_exit(1);
+}
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+var_ = var6;
+{
+var9 = core___core__HashMap___core__abstract_collection__MapRead__iterator(var_);
+}
+var_10 = var9;
+for(;;) {
+{
+var11 = ((short int(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__MapIterator__is_ok]))(var_10); /* is_ok on <var_10:MapIterator[Object, Array[Object]]>*/
+}
+if (var11){
+} else {
+goto BREAK_label;
+}
+{
+var12 = ((val*(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__MapIterator__key]))(var_10); /* key on <var_10:MapIterator[Object, Array[Object]]>*/
+}
+var_p = var12;
+{
+var13 = ((val*(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__MapIterator__item]))(var_10); /* item on <var_10:MapIterator[Object, Array[Object]]>*/
+}
+var_es = var13;
+{
+ordered_tree___ordered_tree__OrderedTree___add_all(var_res, var_p, var_es); /* Direct call ordered_tree$OrderedTree$add_all on <var_res:OrderedTree[Object]>*/
+}
+{
+((void(*)(val* self))((((long)var_10&3)?class_info[((long)var_10&3)]:var_10->class)->vft[COLOR_core__abstract_collection__MapIterator__next]))(var_10); /* next on <var_10:MapIterator[Object, Array[Object]]>*/
+}
+}
+BREAK_label: (void)0;
+{
+{ /* Inline abstract_collection$MapIterator$finish (var_10) on <var_10:MapIterator[Object, Array[Object]]> */
+RET_LABEL14:(void)0;
+}
+}
+/* <var_res:OrderedTree[Object]> isa SELF */
+type_struct = self->type->resolution_table->types[COLOR_core__kernel__Object__SELF];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= var_res->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_res->type->type_table[cltype] == idtype;
+}
+if (unlikely(!var15)) {
+var_class_name = var_res == NULL ? "null" : var_res->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELF", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 288);
+fatal_exit(1);
+}
+var = var_res;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method ordered_tree$OrderedTreeIterator$tree for (self: OrderedTreeIterator[Object]): OrderedTree[Object] */
 val* ordered_tree___ordered_tree__OrderedTreeIterator___tree(val* self) {
 val* var /* : OrderedTree[Object] */;
 val* var1 /* : OrderedTree[Object] */;
 var1 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val; /* _tree on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _tree");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTreeIterator#tree= for (self: OrderedTreeIterator[Object], OrderedTree[Object]) */
+/* method ordered_tree$OrderedTreeIterator$tree= for (self: OrderedTreeIterator[Object], OrderedTree[Object]) */
 void ordered_tree___ordered_tree__OrderedTreeIterator___tree_61d(val* self, val* p0) {
 short int var /* : Bool */;
 int cltype;
@@ -923,28 +1709,31 @@ var = p0->type->type_table[cltype] == idtype;
 if (unlikely(!var)) {
 var_class_name = p0 == NULL ? "null" : p0->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OrderedTree[E]", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val = p0; /* _tree on <self:OrderedTreeIterator[Object]> */
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTreeIterator#iterators for (self: OrderedTreeIterator[Object]): Array[Iterator[Object]] */
+/* method ordered_tree$OrderedTreeIterator$iterators for (self: OrderedTreeIterator[Object]): Array[Iterator[Object]] */
 val* ordered_tree___ordered_tree__OrderedTreeIterator___iterators(val* self) {
 val* var /* : Array[Iterator[Object]] */;
 val* var1 /* : Array[Iterator[Object]] */;
 var1 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTreeIterator#init for (self: OrderedTreeIterator[Object]) */
-void ordered_tree___ordered_tree__OrderedTreeIterator___standard__kernel__Object__init(val* self) {
+/* method ordered_tree$OrderedTreeIterator$init for (self: OrderedTreeIterator[Object]) */
+void ordered_tree___ordered_tree__OrderedTreeIterator___core__kernel__Object__init(val* self) {
 val* var /* : OrderedTree[Object] */;
 val* var2 /* : OrderedTree[Object] */;
 short int var3 /* : Bool */;
@@ -955,13 +1744,19 @@ val* var8 /* : OrderedTree[Object] */;
 val* var10 /* : OrderedTree[Object] */;
 val* var11 /* : Array[Object] */;
 val* var13 /* : Array[Object] */;
-val* var14 /* : ArrayIterator[nullable Object] */;
+val* var14 /* : IndexedIterator[nullable Object] */;
+{
+((void(*)(val* self))(self->class->vft[COLOR_ordered_tree___ordered_tree__OrderedTreeIterator___core__kernel__Object__init]))(self); /* init on <self:OrderedTreeIterator[Object]>*/
+}
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#tree (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$tree (self) on <self:OrderedTreeIterator[Object]> */
 var2 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val; /* _tree on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _tree");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 var = var2;
@@ -969,16 +1764,19 @@ RET_LABEL1:(void)0;
 }
 }
 {
-var3 = ordered_tree___ordered_tree__OrderedTree___standard__abstract_collection__Collection__is_empty(var);
+var3 = ordered_tree___ordered_tree__OrderedTree___core__abstract_collection__Collection__is_empty(var);
 }
 var4 = !var3;
 if (var4){
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var7 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var5 = var7;
@@ -986,11 +1784,14 @@ RET_LABEL6:(void)0;
 }
 }
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#tree (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$tree (self) on <self:OrderedTreeIterator[Object]> */
 var10 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val; /* _tree on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var10 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _tree");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 var8 = var10;
@@ -998,11 +1799,14 @@ RET_LABEL9:(void)0;
 }
 }
 {
-{ /* Inline ordered_tree#OrderedTree#roots (var8) on <var8:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$roots (var8) on <var8:OrderedTree[Object]> */
 var13 = var8->attrs[COLOR_ordered_tree__OrderedTree___roots].val; /* _roots on <var8:OrderedTree[Object]> */
 if (unlikely(var13 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _roots");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 65);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 66);
 fatal_exit(1);
 }
 var11 = var13;
@@ -1010,28 +1814,31 @@ RET_LABEL12:(void)0;
 }
 }
 {
-var14 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var11);
+var14 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var11);
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var5, var14); /* Direct call array#Array#add on <var5:Array[Iterator[Object]]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var5, var14); /* Direct call array$Array$add on <var5:Array[Iterator[Object]]>*/
 }
 } else {
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTreeIterator#is_ok for (self: OrderedTreeIterator[Object]): Bool */
-short int ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__is_ok(val* self) {
+/* method ordered_tree$OrderedTreeIterator$is_ok for (self: OrderedTreeIterator[Object]): Bool */
+short int ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__is_ok(val* self) {
 short int var /* : Bool */;
 val* var1 /* : Array[Iterator[Object]] */;
 val* var3 /* : Array[Iterator[Object]] */;
 short int var4 /* : Bool */;
 short int var5 /* : Bool */;
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var3 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var1 = var3;
@@ -1039,7 +1846,7 @@ RET_LABEL2:(void)0;
 }
 }
 {
-var4 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__is_empty(var1);
+var4 = core___core__AbstractArrayRead___core__abstract_collection__Collection__is_empty(var1);
 }
 var5 = !var4;
 var = var5;
@@ -1047,8 +1854,8 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTreeIterator#item for (self: OrderedTreeIterator[Object]): Object */
-val* ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__item(val* self) {
+/* method ordered_tree$OrderedTreeIterator$item for (self: OrderedTreeIterator[Object]): Object */
+val* ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__item(val* self) {
 val* var /* : Object */;
 short int var1 /* : Bool */;
 val* var2 /* : Array[Iterator[Object]] */;
@@ -1056,19 +1863,25 @@ val* var4 /* : Array[Iterator[Object]] */;
 val* var5 /* : nullable Object */;
 val* var6 /* : nullable Object */;
 {
-var1 = ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__is_ok(self);
+var1 = ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__is_ok(self);
 }
 if (unlikely(!var1)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 202);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 309);
 fatal_exit(1);
 }
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var4 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var4 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var2 = var4;
@@ -1076,18 +1889,18 @@ RET_LABEL3:(void)0;
 }
 }
 {
-var5 = standard___standard__SequenceRead___last(var2);
+var5 = core___core__SequenceRead___last(var2);
 }
 {
-var6 = ((val*(*)(val* self))((((long)var5&3)?class_info[((long)var5&3)]:var5->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var5); /* item on <var5:nullable Object(Iterator[Object])>*/
+var6 = ((val*(*)(val* self))((((long)var5&3)?class_info[((long)var5&3)]:var5->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var5); /* item on <var5:nullable Object(Iterator[Object])>*/
 }
 var = var6;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method ordered_tree#OrderedTreeIterator#next for (self: OrderedTreeIterator[Object]) */
-void ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__next(val* self) {
+/* method ordered_tree$OrderedTreeIterator$next for (self: OrderedTreeIterator[Object]) */
+void ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__next(val* self) {
 short int var /* : Bool */;
 val* var1 /* : OrderedTree[Object] */;
 val* var3 /* : OrderedTree[Object] */;
@@ -1103,7 +1916,7 @@ val* var15 /* : HashMap[Object, Array[Object]] */;
 val* var17 /* : HashMap[Object, Array[Object]] */;
 val* var18 /* : Object */;
 val* var19 /* : nullable Object */;
-val* var20 /* : ArrayIterator[nullable Object] */;
+val* var20 /* : IndexedIterator[nullable Object] */;
 val* var21 /* : Array[Iterator[Object]] */;
 val* var23 /* : Array[Iterator[Object]] */;
 val* var24 /* : nullable Object */;
@@ -1129,19 +1942,25 @@ val* var45 /* : Array[Iterator[Object]] */;
 val* var47 /* : Array[Iterator[Object]] */;
 val* var48 /* : nullable Object */;
 {
-var = ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__is_ok(self);
+var = ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__is_ok(self);
 }
 if (unlikely(!var)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 207);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 314);
 fatal_exit(1);
 }
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#tree (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$tree (self) on <self:OrderedTreeIterator[Object]> */
 var3 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val; /* _tree on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _tree");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 var1 = var3;
@@ -1149,11 +1968,14 @@ RET_LABEL2:(void)0;
 }
 }
 {
-{ /* Inline ordered_tree#OrderedTree#sub (var1) on <var1:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (var1) on <var1:OrderedTree[Object]> */
 var6 = var1->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <var1:OrderedTree[Object]> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var4 = var6;
@@ -1161,18 +1983,21 @@ RET_LABEL5:(void)0;
 }
 }
 {
-var7 = ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__item(self);
+var7 = ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__item(self);
 }
 {
-var8 = standard___standard__HashMap___standard__abstract_collection__MapRead__has_key(var4, var7);
+var8 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var4, var7);
 }
 if (var8){
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var11 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var9 = var11;
@@ -1180,11 +2005,14 @@ RET_LABEL10:(void)0;
 }
 }
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#tree (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$tree (self) on <self:OrderedTreeIterator[Object]> */
 var14 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val; /* _tree on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _tree");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 var12 = var14;
@@ -1192,11 +2020,14 @@ RET_LABEL13:(void)0;
 }
 }
 {
-{ /* Inline ordered_tree#OrderedTree#sub (var12) on <var12:OrderedTree[Object]> */
+{ /* Inline ordered_tree$OrderedTree$sub (var12) on <var12:OrderedTree[Object]> */
 var17 = var12->attrs[COLOR_ordered_tree__OrderedTree___sub].val; /* _sub on <var12:OrderedTree[Object]> */
 if (unlikely(var17 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _sub");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 68);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 69);
 fatal_exit(1);
 }
 var15 = var17;
@@ -1204,24 +2035,27 @@ RET_LABEL16:(void)0;
 }
 }
 {
-var18 = ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__item(self);
+var18 = ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__item(self);
 }
 {
-var19 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var15, var18);
+var19 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var15, var18);
 }
 {
-var20 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var19);
+var20 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var19);
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var9, var20); /* Direct call array#Array#add on <var9:Array[Iterator[Object]]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var9, var20); /* Direct call array$Array$add on <var9:Array[Iterator[Object]]>*/
 }
 } else {
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var23 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var21 = var23;
@@ -1229,23 +2063,26 @@ RET_LABEL22:(void)0;
 }
 }
 {
-var24 = standard___standard__SequenceRead___last(var21);
+var24 = core___core__SequenceRead___last(var21);
 }
 {
-((void(*)(val* self))((((long)var24&3)?class_info[((long)var24&3)]:var24->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var24); /* next on <var24:nullable Object(Iterator[Object])>*/
+((void(*)(val* self))((((long)var24&3)?class_info[((long)var24&3)]:var24->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var24); /* next on <var24:nullable Object(Iterator[Object])>*/
 }
 for(;;) {
 {
-var26 = ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__is_ok(self);
+var26 = ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__is_ok(self);
 }
 var_ = var26;
 if (var26){
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var29 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var29 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var27 = var29;
@@ -1253,10 +2090,10 @@ RET_LABEL28:(void)0;
 }
 }
 {
-var30 = standard___standard__SequenceRead___last(var27);
+var30 = core___core__SequenceRead___last(var27);
 }
 {
-var31 = ((short int(*)(val* self))((((long)var30&3)?class_info[((long)var30&3)]:var30->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var30); /* is_ok on <var30:nullable Object(Iterator[Object])>*/
+var31 = ((short int(*)(val* self))((((long)var30&3)?class_info[((long)var30&3)]:var30->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var30); /* is_ok on <var30:nullable Object(Iterator[Object])>*/
 }
 var32 = !var31;
 var25 = var32;
@@ -1265,11 +2102,14 @@ var25 = var_;
 }
 if (var25){
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var35 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var35 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var33 = var35;
@@ -1277,19 +2117,22 @@ RET_LABEL34:(void)0;
 }
 }
 {
-var36 = standard___standard__AbstractArray___standard__abstract_collection__Sequence__pop(var33);
+var36 = core___core__AbstractArray___core__abstract_collection__Sequence__pop(var33);
 }
 {
-var38 = ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__is_ok(self);
+var38 = ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__is_ok(self);
 }
 var_39 = var38;
 if (var38){
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var42 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var42 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var40 = var42;
@@ -1297,10 +2140,10 @@ RET_LABEL41:(void)0;
 }
 }
 {
-var43 = standard___standard__SequenceRead___last(var40);
+var43 = core___core__SequenceRead___last(var40);
 }
 {
-var44 = ((short int(*)(val* self))((((long)var43&3)?class_info[((long)var43&3)]:var43->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var43); /* is_ok on <var43:nullable Object(Iterator[Object])>*/
+var44 = ((short int(*)(val* self))((((long)var43&3)?class_info[((long)var43&3)]:var43->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var43); /* is_ok on <var43:nullable Object(Iterator[Object])>*/
 }
 var37 = var44;
 } else {
@@ -1308,11 +2151,14 @@ var37 = var_39;
 }
 if (var37){
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#iterators (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$iterators (self) on <self:OrderedTreeIterator[Object]> */
 var47 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___iterators].val; /* _iterators on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var47 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _iterators");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 191);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 298);
 fatal_exit(1);
 }
 var45 = var47;
@@ -1320,10 +2166,10 @@ RET_LABEL46:(void)0;
 }
 }
 {
-var48 = standard___standard__SequenceRead___last(var45);
+var48 = core___core__SequenceRead___last(var45);
 }
 {
-((void(*)(val* self))((((long)var48&3)?class_info[((long)var48&3)]:var48->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var48); /* next on <var48:nullable Object(Iterator[Object])>*/
+((void(*)(val* self))((((long)var48&3)?class_info[((long)var48&3)]:var48->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var48); /* next on <var48:nullable Object(Iterator[Object])>*/
 }
 } else {
 }
@@ -1335,19 +2181,22 @@ BREAK_label: (void)0;
 }
 RET_LABEL:;
 }
-/* method ordered_tree#OrderedTreeIterator#iterator for (self: OrderedTreeIterator[Object]): Iterator[Object] */
-val* ordered_tree___ordered_tree__OrderedTreeIterator___standard__abstract_collection__Iterator__iterator(val* self) {
+/* method ordered_tree$OrderedTreeIterator$iterator for (self: OrderedTreeIterator[Object]): Iterator[Object] */
+val* ordered_tree___ordered_tree__OrderedTreeIterator___core__abstract_collection__Iterator__iterator(val* self) {
 val* var /* : Iterator[Object] */;
 val* var1 /* : OrderedTreeIterator[Object] */;
 val* var2 /* : OrderedTree[Object] */;
 val* var4 /* : OrderedTree[Object] */;
 var1 = NEW_ordered_tree__OrderedTreeIterator(self->type->resolution_table->types[COLOR_ordered_tree__OrderedTreeIterator__ordered_tree__OrderedTreeIterator___35dE]);
 {
-{ /* Inline ordered_tree#OrderedTreeIterator#tree (self) on <self:OrderedTreeIterator[Object]> */
+{ /* Inline ordered_tree$OrderedTreeIterator$tree (self) on <self:OrderedTreeIterator[Object]> */
 var4 = self->attrs[COLOR_ordered_tree__OrderedTreeIterator___tree].val; /* _tree on <self:OrderedTreeIterator[Object]> */
 if (unlikely(var4 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _tree");
-PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 189);
+PRINT_ERROR(" (%s:%d)\n", FILE_ordered_tree, 296);
 fatal_exit(1);
 }
 var2 = var4;
@@ -1358,7 +2207,7 @@ RET_LABEL3:(void)0;
 ((void(*)(val* self, val* p0))(var1->class->vft[COLOR_ordered_tree__OrderedTreeIterator__tree_61d]))(var1, var2); /* tree= on <var1:OrderedTreeIterator[Object]>*/
 }
 {
-((void(*)(val* self))(var1->class->vft[COLOR_standard__kernel__Object__init]))(var1); /* init on <var1:OrderedTreeIterator[Object]>*/
+((void(*)(val* self))(var1->class->vft[COLOR_core__kernel__Object__init]))(var1); /* init on <var1:OrderedTreeIterator[Object]>*/
 }
 var = var1;
 goto RET_LABEL;