bug: undetected uninitialized attr because of generic

[nit.git] / c_src / static_type._sep.c

diff --git a/c_src/static_type._sep.c b/c_src/static_type._sep.c
index 4d5308a..2c253eb 100644 (file)
--- a/c_src/static_type._sep.c
+++ b/c_src/static_type._sep.c
@@ -1,1245 +1,3228 @@
 /* This C file is generated by NIT to compile module static_type. */
 #include "static_type._sep.h"
-val_t static_type___MMLocalClass___get_type(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 27, LOCATE_static_type___MMLocalClass___get_type};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_static_type___MMLocalClass____base_type_cache(variable[2]) /*MMLocalClass::_base_type_cache*/;
-  variable[2] = TAG_Bool((variable[2] ==  NIT_NULL /*null*/) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[2])) { /*if*/
-    variable[2] = variable[0];
-    variable[3] = variable[0];
-    variable[4] = NEW_MMTypeSimpleClass_static_type___MMTypeSimpleClass___init(variable[3]); /*new MMTypeSimpleClass*/
-    variable[3] = variable[4];
-    ATTR_static_type___MMLocalClass____base_type_cache(variable[2]) /*MMLocalClass::_base_type_cache*/ = variable[3];
-  }
-  variable[2] = variable[0];
-  variable[2] = ATTR_static_type___MMLocalClass____base_type_cache(variable[2]) /*MMLocalClass::_base_type_cache*/;
-  variable[1] = variable[2];
-  goto return_label0;
-  return_label0: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void static_type___MMLocalClass___add_ancestor(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 34, LOCATE_static_type___MMLocalClass___add_ancestor};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMLocalClass____ancestors(variable[3]) /*MMLocalClass::_ancestors*/;
-  variable[4] = CALL_static_type___MMAncestor___local_class( variable[1] /*a*/)( variable[1] /*a*/) /*MMAncestor::local_class*/;
-  variable[3] = CALL_abstract_collection___Map___has_key(variable[3])(variable[3], variable[4]) /*Map::has_key*/;
-  if (!UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMLocalClass___add_ancestor, LOCATE_static_type, 37); nit_exit(1);}
-  variable[3] = CALL_static_type___MMAncestor___local_class( variable[1] /*a*/)( variable[1] /*a*/) /*MMAncestor::local_class*/;
-  variable[4] = variable[0];
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] == variable[4]) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3],variable[4])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3], variable[4]) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMLocalClass___add_ancestor, LOCATE_static_type, 38); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMLocalClass____ancestors(variable[3]) /*MMLocalClass::_ancestors*/;
-  variable[4] = CALL_static_type___MMAncestor___local_class( variable[1] /*a*/)( variable[1] /*a*/) /*MMAncestor::local_class*/;
-  CALL_abstract_collection___Map_____braeq(variable[3])(variable[3], variable[4],  variable[1] /*a*/) /*Map::[]=*/;
-  return_label1: while(false);
-  tracehead = trace.prev;
+val_t static_type___MMLocalClass___get_type(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 27;
+  fra.me.meth = LOCATE_static_type___MMLocalClass___get_type;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:30 */
+  fra.me.REG[1] = ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[1] = NEW_MMTypeSimpleClass_static_type___MMTypeSimpleClass___init(fra.me.REG[0]);
+    ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[0]) = fra.me.REG[1];
+  }
+  /* ./metamodel//static_type.nit:31 */
+  fra.me.REG[0] = ATTR_static_type___MMLocalClass____base_type_cache(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_static_type, 31);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void static_type___MMLocalClass___add_ancestor(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 34;
+  fra.me.meth = LOCATE_static_type___MMLocalClass___add_ancestor;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:37 */
+  fra.me.REG[2] = ATTR_static_type___MMLocalClass____ancestors(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_static_type___MMAncestor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_static_type, 37);
+  }
+  REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_static_type, 37);
+  }
+  /* ./metamodel//static_type.nit:38 */
+  fra.me.REG[3] = CALL_static_type___MMAncestor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[0]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_static_type, 38);
+  }
+  /* ./metamodel//static_type.nit:39 */
+  fra.me.REG[0] = ATTR_static_type___MMLocalClass____ancestors(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_static_type___MMAncestor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_static_type, 39);
+  }
+  CALL_abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t static_type___MMLocalClass___ancestors(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 42, LOCATE_static_type___MMLocalClass___ancestors};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMLocalClass____ancestors( self) /*MMLocalClass::_ancestors*/;
-}
-val_t static_type___MMLocalClass___ancestor(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 45, LOCATE_static_type___MMLocalClass___ancestor};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMLocalClass____ancestors(variable[3]) /*MMLocalClass::_ancestors*/;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMLocalClass___ancestor, LOCATE_static_type, 48); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMLocalClass____ancestors(variable[3]) /*MMLocalClass::_ancestors*/;
-  variable[3] = CALL_abstract_collection___Map___has_key(variable[3])(variable[3],  variable[1] /*c*/) /*Map::has_key*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = variable[0];
-    variable[3] = ATTR_static_type___MMLocalClass____ancestors(variable[3]) /*MMLocalClass::_ancestors*/;
-    variable[3] = CALL_abstract_collection___Map_____bra(variable[3])(variable[3],  variable[1] /*c*/) /*Map::[]*/;
-    variable[3] = CALL_static_type___MMAncestor___stype(variable[3])(variable[3]) /*MMAncestor::stype*/;
-    variable[2] = variable[3];
-    goto return_label2;
-  }
-  variable[2] =  NIT_NULL /*null*/;
-  goto return_label2;
-  return_label2: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMLocalProperty___signature(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 57, LOCATE_static_type___MMLocalProperty___signature};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMLocalProperty____signature( self) /*MMLocalProperty::_signature*/;
-}
-void static_type___MMLocalProperty___signature__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 57, LOCATE_static_type___MMLocalProperty___signature__eq};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  ATTR_static_type___MMLocalProperty____signature( self) /*MMLocalProperty::_signature*/ =  param0;
-  tracehead = trace.prev;
+val_t static_type___MMLocalClass___ancestors(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 42;
+  fra.me.meth = LOCATE_static_type___MMLocalClass___ancestors;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:42 */
+  fra.me.REG[0] = ATTR_static_type___MMLocalClass____ancestors(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMLocalClass___ancestor(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 45;
+  fra.me.meth = LOCATE_static_type___MMLocalClass___ancestor;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:48 */
+  fra.me.REG[0] = ATTR_static_type___MMLocalClass____ancestors(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_static_type, 48);
+  }
+  fra.me.REG[1] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_static_type, 48);
+  }
+  fra.me.REG[1] = CALL_static_type___MMAncestor___stype(fra.me.REG[1])(fra.me.REG[1]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMLocalProperty___signature(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 53;
+  fra.me.meth = LOCATE_static_type___MMLocalProperty___signature;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:53 */
+  fra.me.REG[0] = ATTR_static_type___MMLocalProperty____signature(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void static_type___MMLocalProperty___signature__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 53;
+  fra.me.meth = LOCATE_static_type___MMLocalProperty___signature__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:53 */
+  ATTR_static_type___MMLocalProperty____signature(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t static_type___MMLocalProperty___signature_for(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 62, LOCATE_static_type___MMLocalProperty___signature_for};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = CALL_abstractmetamodel___MMLocalProperty___local_class(variable[3])(variable[3]) /*MMLocalProperty::local_class*/;
-  variable[3] = CALL_static_type___MMLocalClass___get_type(variable[3])(variable[3]) /*MMLocalClass::get_type*/;
-  variable[3] = TAG_Bool(( variable[1] /*t*/ == variable[3]) || (( variable[1] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*t*/,variable[3])):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*t*/)( variable[1] /*t*/, variable[3]) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = variable[0];
-    variable[3] = CALL_static_type___MMLocalProperty___signature(variable[3])(variable[3]) /*MMLocalProperty::signature*/;
-    variable[2] = variable[3];
-    goto return_label3;
-  }
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMLocalProperty____signatures_cache(variable[3]) /*MMLocalProperty::_signatures_cache*/;
-  variable[3] = CALL_abstract_collection___Map___has_key(variable[3])(variable[3],  variable[1] /*t*/) /*CoupleMap::has_key*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = variable[0];
-    variable[3] = ATTR_static_type___MMLocalProperty____signatures_cache(variable[3]) /*MMLocalProperty::_signatures_cache*/;
-    variable[3] = CALL_abstract_collection___Map_____bra(variable[3])(variable[3],  variable[1] /*t*/) /*CoupleMap::[]*/;
-    variable[2] = variable[3];
-    goto return_label3;
-  }
-  variable[4] = variable[0];
-  variable[4] = CALL_static_type___MMLocalProperty___signature(variable[4])(variable[4]) /*MMLocalProperty::signature*/;
-  variable[4] = CALL_static_type___MMSignature___adaptation_to(variable[4])(variable[4],  variable[1] /*t*/) /*MMSignature::adaptation_to*/;
-  variable[3] = variable[4];
-  variable[4] = variable[0];
-  variable[4] = ATTR_static_type___MMLocalProperty____signatures_cache(variable[4]) /*MMLocalProperty::_signatures_cache*/;
-  CALL_abstract_collection___Map_____braeq(variable[4])(variable[4],  variable[1] /*t*/,  variable[3] /*res*/) /*HashMap::[]=*/;
-  variable[2] =  variable[3] /*res*/;
-  goto return_label3;
-  return_label3: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMSignature___to_s(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 123, LOCATE_static_type___MMSignature___to_s};
-  val_t variable[15];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  /*variable[2] is variable s*/
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____params(variable[3]) /*MMSignature::_params*/;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  variable[4] = variable[3];
-  if (UNTAG_Bool(variable[4])) { /* and */
-    variable[4] = variable[0];
-    variable[4] = ATTR_static_type___MMSignature____params(variable[4]) /*MMSignature::_params*/;
-    variable[4] = CALL_abstract_collection___Collection___length(variable[4])(variable[4]) /*AbstractArray::length*/;
-    variable[4] = TAG_Bool(UNTAG_Int(variable[4])>UNTAG_Int( TAG_Int(0)));
-  }
-  variable[3] = variable[4];
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /*variable[3] is variable tmp*/
-    variable[5] = variable[0];
-    variable[5] = ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/;
-    variable[5] = CALL_abstract_collection___Collection___length(variable[5])(variable[5]) /*AbstractArray::length*/;
-    variable[6] = NEW_Array_array___Array___with_capacity(variable[5]); /*new Array[String]*/
-    variable[5] = variable[6];
-    variable[4] = variable[5];
-    variable[5] = variable[0];
-    variable[5] = ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/;
-    variable[5] = CALL_abstract_collection___Collection___length(variable[5])(variable[5]) /*AbstractArray::length*/;
-    variable[6] = NEW_Range_range___Range___without_last( TAG_Int(0), variable[5]); /*new Range[Int]*/
-    variable[5] = variable[6];
-    variable[5] = CALL_abstract_collection___Collection___iterator(variable[5])(variable[5]) /*Range::iterator*/;
-    while (true) { /*for*/
-      variable[6] = CALL_abstract_collection___Iterator___is_ok(variable[5])(variable[5]) /*Iterator::is_ok*/;
-      if (!UNTAG_Bool(variable[6])) break; /*for*/
-      variable[6] = CALL_abstract_collection___Iterator___item(variable[5])(variable[5]) /*Iterator::item*/;
-      variable[7] = variable[6];
-      variable[9] = variable[0];
-      variable[9] = ATTR_static_type___MMSignature____params(variable[9]) /*MMSignature::_params*/;
-      variable[10] = variable[9];
-      variable[11] =  variable[7] /*i*/;
-      variable[13] = TAG_Bool(UNTAG_Int( variable[11] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-      variable[14] = variable[13];
-      if (UNTAG_Bool(variable[14])) { /* and */
-        variable[14] = variable[10];
-        variable[14] = ATTR_array___AbstractArray____length(variable[14]) /*AbstractArray::_length*/;
-        variable[14] = TAG_Bool(UNTAG_Int( variable[11] /*index*/)<UNTAG_Int(variable[14]));
+val_t static_type___MMLocalProperty___signature_for(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 58;
+  fra.me.meth = LOCATE_static_type___MMLocalProperty___signature_for;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:60 */
+  fra.me.REG[2] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_static_type___MMLocalClass___get_type(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[2]!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_static_type, 60);
+    }
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:62 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMLocalProperty____signatures_cache(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_signatures_cache", LOCATE_static_type, 62);
+  }
+  fra.me.REG[3] = ATTR_static_type___MMLocalProperty____signatures_cache(fra.me.REG[0]);
+  REGB0 = CALL_abstract_collection___MapRead___has_key(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(ATTR_static_type___MMLocalProperty____signatures_cache(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_signatures_cache", LOCATE_static_type, 62);
+    }
+    fra.me.REG[3] = ATTR_static_type___MMLocalProperty____signatures_cache(fra.me.REG[0]);
+    fra.me.REG[3] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[2] = fra.me.REG[3];
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:64 */
+  fra.me.REG[3] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_static_type, 64);
+  }
+  fra.me.REG[3] = CALL_static_type___MMSignature___adaptation_to(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+  /* ./metamodel//static_type.nit:65 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMLocalProperty____signatures_cache(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_signatures_cache", LOCATE_static_type, 65);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMLocalProperty____signatures_cache(fra.me.REG[0]);
+  CALL_abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3]);
+  /* ./metamodel//static_type.nit:66 */
+  fra.me.REG[2] = fra.me.REG[3];
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+val_t static_type___MMSignature___recv(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 72;
+  fra.me.meth = LOCATE_static_type___MMSignature___recv;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:72 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____recv(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_recv", LOCATE_static_type, 72);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMSignature____recv(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMSignature___return_type(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 78;
+  fra.me.meth = LOCATE_static_type___MMSignature___return_type;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:78 */
+  fra.me.REG[0] = ATTR_static_type___MMSignature____return_type(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMSignature___closures(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 81;
+  fra.me.meth = LOCATE_static_type___MMSignature___closures;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:81 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____closures(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_closures", LOCATE_static_type, 81);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMSignature____closures(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMSignature___closure_named(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 84;
+  fra.me.meth = LOCATE_static_type___MMSignature___closure_named;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:87 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____closures(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_closures", LOCATE_static_type, 87);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMSignature____closures(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:237 */
+  while(1) {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB0)];
+      /* ./metamodel//static_type.nit:88 */
+      fra.me.REG[4] = CALL_static_type___MMClosure___name(fra.me.REG[3])(fra.me.REG[3]);
+      REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[4],fra.me.REG[1]));
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
+        REGB1 = REGB2;
+      }
+      if (UNTAG_Bool(REGB1)) {
+        goto label1;
+      }
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB0 = REGB1;
+    } else {
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label2;
+    }
+  }
+  label2: while(0);
+  /* ./metamodel//static_type.nit:90 */
+  fra.me.REG[3] = NIT_NULL;
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[3];
+}
+val_t static_type___MMSignature___arity(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 93;
+  fra.me.meth = LOCATE_static_type___MMSignature___arity;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:96 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 96);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:96 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMSignature_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
+  val_t REGB5;
+  val_t REGB6;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 99;
+  fra.me.meth = LOCATE_static_type___MMSignature_____l;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:102 */
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[0],fra.me.REG[1]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:103 */
+    REGB0 = TAG_Bool(true);
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:105 */
+  REGB1 = TAG_Bool(ATTR_static_type___MMSignature____recv(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_recv", LOCATE_static_type, 105);
+  }
+  fra.me.REG[2] = ATTR_static_type___MMSignature____recv(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_static_type___MMType___mmmodule(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = CALL_static_type___MMSignature___recv(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_static_type___MMType___mmmodule(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[3]));
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_static_type, 105);
+  }
+  /* ./metamodel//static_type.nit:106 */
+  fra.me.REG[3] = ATTR_static_type___MMSignature____return_type(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:107 */
+  fra.me.REG[2] = CALL_static_type___MMSignature___return_type(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./metamodel//static_type.nit:108 */
+  REGB1 = CALL_static_type___MMSignature___arity(fra.me.REG[0])(fra.me.REG[0]);
+  REGB2 = CALL_static_type___MMSignature___arity(fra.me.REG[1])(fra.me.REG[1]);
+  REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB2 = TAG_Bool((REGB1)==(REGB2));
+    /* ./metamodel//static_type.nit:108 */
+    REGB3 = REGB2;
+  }
+  REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+  if (UNTAG_Bool(REGB3)) {
+    REGB3 = TAG_Bool(true);
+  } else {
+    REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB2 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+        REGB2 = REGB1;
       }
-      variable[13] = variable[14];
-      if (!UNTAG_Bool(variable[13])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_static_type, 229); nit_exit(1);}
-      variable[13] = variable[10];
-      variable[13] = ATTR_array___Array____items(variable[13]) /*Array::_items*/;
-      variable[13] = UNBOX_NativeArray(variable[13])[UNTAG_Int( variable[11] /*index*/)];
-      variable[12] = variable[13];
-      goto return_label6;
-      return_label6: while(false);
-      variable[9] = variable[12];
-      variable[8] = variable[9];
-      variable[9] = CALL_string___Object___to_s( variable[8] /*p*/)( variable[8] /*p*/) /*Object::to_s*/;
-      CALL_abstract_collection___SimpleCollection___add( variable[4] /*a*/)( variable[4] /*a*/, variable[9]) /*AbstractArray::add*/;
-      continue_5: while(0);
-      CALL_abstract_collection___Iterator___next(variable[5])(variable[5]) /*Iterator::next*/;
     }
-    break_5: while(0);
-    variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(3)); /*new Array[String]*/
-    variable[6] = NEW_String_string___String___with_native(BOX_NativeString("("), TAG_Int(1)); /*new String*/
-    variable[7] = variable[6];
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[7]) /*AbstractArray::add*/;
-    variable[8] = NEW_String_string___String___with_native(BOX_NativeString(","), TAG_Int(1)); /*new String*/
-    variable[8] = CALL_string___Collection___join( variable[4] /*a*/)( variable[4] /*a*/, variable[8]) /*Collection::join*/;
-    variable[9] = variable[8];
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[9]) /*AbstractArray::add*/;
-    variable[10] = NEW_String_string___String___with_native(BOX_NativeString(")"), TAG_Int(1)); /*new String*/
-    variable[11] = variable[10];
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[11]) /*AbstractArray::add*/;
-    variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-    variable[2] = variable[5] /*s=*/;
-  } else { /*if*/
-    variable[3] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)); /*new String*/
-    variable[2] = variable[3] /*s=*/;
-  }
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____return_type(variable[3]) /*MMSignature::_return_type*/;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = NEW_Array_array___Array___with_capacity(TAG_Int(3)); /*new Array[String]*/
-    variable[4] = NEW_String_string___String___with_native(BOX_NativeString(": "), TAG_Int(2)); /*new String*/
-    variable[5] = variable[4];
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[5]) /*AbstractArray::add*/;
-    variable[6] = variable[0];
-    variable[6] = ATTR_static_type___MMSignature____return_type(variable[6]) /*MMSignature::_return_type*/;
-    variable[7] = variable[6];
-    variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[7]) /*AbstractArray::add*/;
-    variable[8] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)); /*new String*/
-    variable[9] = variable[8];
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[9]) /*AbstractArray::add*/;
-    variable[3] = CALL_string___Object___to_s(variable[3])(variable[3]) /*Object::to_s*/;
-    CALL_abstract_collection___IndexedCollection___append( variable[2] /*s*/)( variable[2] /*s*/, variable[3]) /*String::append*/;
-  }
-  variable[1] =  variable[2] /*s*/;
-  goto return_label4;
-  return_label4: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMSignature___recv(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 76, LOCATE_static_type___MMSignature___recv};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMSignature____recv( self) /*MMSignature::_recv*/;
-}
-val_t static_type___MMSignature___return_type(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 82, LOCATE_static_type___MMSignature___return_type};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMSignature____return_type( self) /*MMSignature::_return_type*/;
-}
-val_t static_type___MMSignature___closures(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 85, LOCATE_static_type___MMSignature___closures};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMSignature____closures( self) /*MMSignature::_closures*/;
-}
-val_t static_type___MMSignature___arity(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 88, LOCATE_static_type___MMSignature___arity};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_static_type___MMSignature____params(variable[2]) /*MMSignature::_params*/;
-  variable[2] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[2] ==  NIT_NULL /*null*/) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[2])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMSignature___arity, LOCATE_static_type, 91); nit_exit(1);}
-  variable[2] = variable[0];
-  variable[2] = ATTR_static_type___MMSignature____params(variable[2]) /*MMSignature::_params*/;
-  variable[2] = CALL_abstract_collection___Collection___length(variable[2])(variable[2]) /*AbstractArray::length*/;
-  variable[1] = variable[2];
-  goto return_label7;
-  return_label7: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMSignature_____l(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 95, LOCATE_static_type___MMSignature_____l};
-  val_t variable[8];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*s*/ ==  NIT_NULL /*null*/) || (( variable[1] /*s*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*s*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*s*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*s*/)( variable[1] /*s*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMSignature_____l, LOCATE_static_type, 98); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = TAG_Bool((variable[3] ==  variable[1] /*s*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], variable[1] /*s*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  variable[1] /*s*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[2] =  TAG_Bool(true);
-    goto return_label8;
-  }
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____recv(variable[3]) /*MMSignature::_recv*/;
-  variable[3] = CALL_static_type___MMType___module(variable[3])(variable[3]) /*MMType::module*/;
-  variable[4] = CALL_static_type___MMSignature___recv( variable[1] /*s*/)( variable[1] /*s*/) /*MMSignature::recv*/;
-  variable[4] = CALL_static_type___MMType___module(variable[4])(variable[4]) /*MMType::module*/;
-  variable[3] = TAG_Bool((variable[3] == variable[4]) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3],variable[4])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3], variable[4]) /*Object::==*/)))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMSignature_____l, LOCATE_static_type, 102); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = CALL_static_type___MMSignature___arity(variable[3])(variable[3]) /*MMSignature::arity*/;
-  variable[4] = CALL_static_type___MMSignature___arity( variable[1] /*s*/)( variable[1] /*s*/) /*MMSignature::arity*/;
-  variable[3] = TAG_Bool((variable[3])!=(variable[4]));
-  variable[4] = variable[3];
-  if (!UNTAG_Bool(variable[4])) { /* or */
-    variable[4] = variable[0];
-    variable[4] = ATTR_static_type___MMSignature____return_type(variable[4]) /*MMSignature::_return_type*/;
-    variable[4] = TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))));
-    variable[5] = CALL_static_type___MMSignature___return_type( variable[1] /*s*/)( variable[1] /*s*/) /*MMSignature::return_type*/;
-    variable[5] = TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))));
-    variable[4] = TAG_Bool((variable[4])!=(variable[5]));
-  }
-  variable[3] = variable[4];
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[2] =  TAG_Bool(false);
-    goto return_label8;
-  }
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____return_type(variable[3]) /*MMSignature::_return_type*/;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  variable[4] = variable[3];
-  if (UNTAG_Bool(variable[4])) { /* and */
-    variable[4] = variable[0];
-    variable[4] = ATTR_static_type___MMSignature____return_type(variable[4]) /*MMSignature::_return_type*/;
-    variable[5] = CALL_static_type___MMSignature___return_type( variable[1] /*s*/)( variable[1] /*s*/) /*MMSignature::return_type*/;
-    variable[4] = CALL_static_type___MMType_____l(variable[4])(variable[4], variable[5]) /*MMType::<*/;
-    variable[4] =  TAG_Bool(!UNTAG_Bool(variable[4]));
-  }
-  variable[3] = variable[4];
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[2] =  TAG_Bool(false);
-    goto return_label8;
-  }
-  variable[3] = variable[0];
-  variable[3] = CALL_static_type___MMSignature___arity(variable[3])(variable[3]) /*MMSignature::arity*/;
-  variable[4] = NEW_Range_range___Range___without_last( TAG_Int(0), variable[3]); /*new Range[Int]*/
-  variable[3] = variable[4];
-  variable[3] = CALL_abstract_collection___Collection___iterator(variable[3])(variable[3]) /*Range::iterator*/;
-  while (true) { /*for*/
-    variable[4] = CALL_abstract_collection___Iterator___is_ok(variable[3])(variable[3]) /*Iterator::is_ok*/;
-    if (!UNTAG_Bool(variable[4])) break; /*for*/
-    variable[4] = CALL_abstract_collection___Iterator___item(variable[3])(variable[3]) /*Iterator::item*/;
-    variable[5] = variable[4];
-    variable[6] = CALL_static_type___MMSignature_____bra( variable[1] /*s*/)( variable[1] /*s*/,  variable[5] /*i*/) /*MMSignature::[]*/;
-    variable[7] = variable[0];
-    variable[7] = CALL_static_type___MMSignature_____bra(variable[7])(variable[7],  variable[5] /*i*/) /*MMSignature::[]*/;
-    variable[6] = CALL_static_type___MMType_____l(variable[6])(variable[6], variable[7]) /*MMType::<*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-      variable[2] =  TAG_Bool(false);
-      goto return_label8;
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB4 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB4)) {
+        REGB4 = TAG_Bool(false);
+        REGB1 = REGB4;
+      } else {
+        REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+        REGB1 = REGB4;
+      }
     }
-    continue_9: while(0);
-    CALL_abstract_collection___Iterator___next(variable[3])(variable[3]) /*Iterator::next*/;
-  }
-  break_9: while(0);
-  variable[2] =  TAG_Bool(true);
-  goto return_label8;
-  return_label8: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMSignature_____bra(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 116, LOCATE_static_type___MMSignature_____bra};
-  val_t variable[9];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____params(variable[3]) /*MMSignature::_params*/;
-  variable[3] = CALL_abstract_collection___Collection___length(variable[3])(variable[3]) /*AbstractArray::length*/;
-  variable[3] = TAG_Bool(UNTAG_Int(variable[3])>UNTAG_Int( variable[1] /*i*/));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMSignature_____bra, LOCATE_static_type, 119); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____params(variable[3]) /*MMSignature::_params*/;
-  variable[4] = variable[3];
-  variable[5] =  variable[1] /*i*/;
-  variable[7] = TAG_Bool(UNTAG_Int( variable[5] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-  variable[8] = variable[7];
-  if (UNTAG_Bool(variable[8])) { /* and */
-    variable[8] = variable[4];
-    variable[8] = ATTR_array___AbstractArray____length(variable[8]) /*AbstractArray::_length*/;
-    variable[8] = TAG_Bool(UNTAG_Int( variable[5] /*index*/)<UNTAG_Int(variable[8]));
-  }
-  variable[7] = variable[8];
-  if (!UNTAG_Bool(variable[7])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_static_type, 229); nit_exit(1);}
-  variable[7] = variable[4];
-  variable[7] = ATTR_array___Array____items(variable[7]) /*Array::_items*/;
-  variable[7] = UNBOX_NativeArray(variable[7])[UNTAG_Int( variable[5] /*index*/)];
-  variable[6] = variable[7];
-  goto return_label11;
-  return_label11: while(false);
-  variable[3] = variable[6];
-  variable[2] = variable[3];
-  goto return_label10;
-  return_label10: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMSignature___adaptation_to(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 145, LOCATE_static_type___MMSignature___adaptation_to};
-  val_t variable[12];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____recv(variable[3]) /*MMSignature::_recv*/;
-  variable[3] = TAG_Bool((variable[3] ==  variable[1] /*r*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], variable[1] /*r*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  variable[1] /*r*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = variable[0];
-    variable[2] = variable[3];
-    goto return_label12;
-  }
-  variable[4] = CALL_static_type___MMType___module( variable[1] /*r*/)( variable[1] /*r*/) /*MMType::module*/;
-  variable[3] = variable[4];
-  variable[5] = variable[0];
-  variable[5] = ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/;
-  variable[4] = variable[5];
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*p*/ ==  NIT_NULL /*null*/) || (( variable[4] /*p*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*p*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*p*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*p*/)( variable[4] /*p*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    variable[5] = NEW_Array_array___Array___init(); /*new Array[MMType]*/
-    variable[4] = variable[5] /*p=*/;
-    variable[5] = variable[0];
-    variable[5] = ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/;
-    variable[5] = CALL_abstract_collection___Collection___iterator(variable[5])(variable[5]) /*AbstractArray::iterator*/;
-    while (true) { /*for*/
-      variable[6] = CALL_abstract_collection___Iterator___is_ok(variable[5])(variable[5]) /*ArrayIterator::is_ok*/;
-      if (!UNTAG_Bool(variable[6])) break; /*for*/
-      variable[6] = CALL_abstract_collection___Iterator___item(variable[5])(variable[5]) /*ArrayIterator::item*/;
-      variable[7] = variable[6];
-      variable[8] = CALL_static_type___MMType___for_module( variable[7] /*i*/)( variable[7] /*i*/,  variable[3] /*mod*/) /*MMType::for_module*/;
-      variable[8] = CALL_static_type___MMType___adapt_to(variable[8])(variable[8],  variable[1] /*r*/) /*MMType::adapt_to*/;
-      CALL_abstract_collection___SimpleCollection___add( variable[4] /*p*/)( variable[4] /*p*/, variable[8]) /*AbstractArray::add*/;
-      continue_13: while(0);
-      CALL_abstract_collection___Iterator___next(variable[5])(variable[5]) /*ArrayIterator::next*/;
+    REGB4 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
+    if (UNTAG_Bool(REGB4)) {
+    } else {
+      /* ./../lib/standard//kernel.nit:175 */
+      REGB1 = TAG_Bool((REGB2)==(REGB1));
+      /* ./metamodel//static_type.nit:108 */
+      REGB4 = REGB1;
     }
-    break_13: while(0);
-  }
-  variable[6] = variable[0];
-  variable[6] = ATTR_static_type___MMSignature____return_type(variable[6]) /*MMSignature::_return_type*/;
-  variable[5] = variable[6];
-  variable[6] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[5] /*rv*/ ==  NIT_NULL /*null*/) || (( variable[5] /*rv*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*rv*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*rv*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*rv*/)( variable[5] /*rv*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[6])) { /*if*/
-    variable[6] = CALL_static_type___MMType___for_module( variable[5] /*rv*/)( variable[5] /*rv*/,  variable[3] /*mod*/) /*MMType::for_module*/;
-    variable[6] = CALL_static_type___MMType___adapt_to(variable[6])(variable[6],  variable[1] /*r*/) /*MMType::adapt_to*/;
-    variable[5] = variable[6] /*rv=*/;
-  }
-  variable[7] = NEW_MMSignature_static_type___MMSignature___init( variable[4] /*p*/,  variable[5] /*rv*/,  variable[1] /*r*/); /*new MMSignature*/
-  variable[6] = variable[7];
-  variable[7] = variable[0];
-  variable[7] = ATTR_static_type___MMSignature____closures(variable[7]) /*MMSignature::_closures*/;
-  variable[7] = CALL_abstract_collection___Collection___iterator(variable[7])(variable[7]) /*AbstractArray::iterator*/;
-  while (true) { /*for*/
-    variable[8] = CALL_abstract_collection___Iterator___is_ok(variable[7])(variable[7]) /*ArrayIterator::is_ok*/;
-    if (!UNTAG_Bool(variable[8])) break; /*for*/
-    variable[8] = CALL_abstract_collection___Iterator___item(variable[7])(variable[7]) /*ArrayIterator::item*/;
-    variable[9] = variable[8];
-    variable[10] = CALL_static_type___MMSignature___closures( variable[6] /*res*/)( variable[6] /*res*/) /*MMSignature::closures*/;
-    variable[11] = CALL_static_type___MMClosure___adaptation_to( variable[9] /*clos*/)( variable[9] /*clos*/,  variable[1] /*r*/) /*MMClosure::adaptation_to*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-    continue_14: while(0);
-    CALL_abstract_collection___Iterator___next(variable[7])(variable[7]) /*ArrayIterator::next*/;
-  }
-  break_14: while(0);
-  variable[2] =  variable[6] /*res*/;
-  goto return_label12;
-  return_label12: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMSignature___not_for_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 172, LOCATE_static_type___MMSignature___not_for_self};
-  val_t variable[12];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMSignature____not_for_self_cache(variable[3]) /*MMSignature::_not_for_self_cache*/;
-  variable[2] = variable[3];
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[2] /*res*/ ==  NIT_NULL /*null*/) || (( variable[2] /*res*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[2] /*res*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[2] /*res*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[2] /*res*/)( variable[2] /*res*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[1] =  variable[2] /*res*/;
-    goto return_label15;
-  }
-  variable[3] =  TAG_Bool(false);
-  variable[5] = variable[0];
-  variable[5] = ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/;
-  variable[4] = variable[5];
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*p*/ ==  NIT_NULL /*null*/) || (( variable[4] /*p*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*p*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*p*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*p*/)( variable[4] /*p*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    variable[5] = NEW_Array_array___Array___init(); /*new Array[MMType]*/
-    variable[4] = variable[5] /*p=*/;
-    variable[5] = variable[0];
-    variable[5] = ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/;
-    variable[5] = CALL_abstract_collection___Collection___iterator(variable[5])(variable[5]) /*AbstractArray::iterator*/;
-    while (true) { /*for*/
-      variable[6] = CALL_abstract_collection___Iterator___is_ok(variable[5])(variable[5]) /*ArrayIterator::is_ok*/;
-      if (!UNTAG_Bool(variable[6])) break; /*for*/
-      variable[6] = CALL_abstract_collection___Iterator___item(variable[5])(variable[5]) /*ArrayIterator::item*/;
-      variable[7] = variable[6];
-      variable[9] = CALL_static_type___MMType___not_for_self( variable[7] /*i*/)( variable[7] /*i*/) /*MMType::not_for_self*/;
-      variable[8] = variable[9];
-      variable[9] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[7] /*i*/ ==  variable[8] /*i2*/) || (( variable[7] /*i*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[7] /*i*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[7] /*i*/, variable[8] /*i2*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[7] /*i*/)( variable[7] /*i*/,  variable[8] /*i2*/) /*Object::==*/)))))));
-      if (UNTAG_Bool(variable[9])) { /*if*/
-        variable[3] =  TAG_Bool(true) /*need_for_self=*/;
+    REGB4 = TAG_Bool(!UNTAG_Bool(REGB4));
+    REGB3 = REGB4;
+  }
+  if (UNTAG_Bool(REGB3)) {
+    REGB3 = TAG_Bool(false);
+    REGB0 = REGB3;
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:109 */
+  REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    REGB4 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB4)) {
+      REGB4 = TAG_Bool(false);
+      REGB3 = REGB4;
+    } else {
+      REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB3 = REGB4;
+    }
+  }
+  REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+  if (UNTAG_Bool(REGB3)) {
+    REGB3 = TAG_Bool(fra.me.REG[2]!=NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_static_type, 109);
+    }
+    REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+      nit_abort("Reciever is null", NULL, LOCATE_static_type, 109);
+    }
+    REGB3 = CALL_static_type___MMType_____l(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+    REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+  } else {
+    REGB4 = TAG_Bool(false);
+    REGB3 = REGB4;
+  }
+  if (UNTAG_Bool(REGB3)) {
+    /* ./metamodel//static_type.nit:110 */
+    REGB3 = TAG_Bool(false);
+    REGB0 = REGB3;
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:113 */
+  REGB3 = TAG_Int(0);
+  REGB4 = CALL_static_type___MMSignature___arity(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:332 */
+  while(1) {
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./metamodel//static_type.nit:113 */
+      REGB1 = REGB3;
+      /* ./metamodel//static_type.nit:114 */
+      fra.me.REG[2] = CALL_static_type___MMSignature_____bra(fra.me.REG[1])(fra.me.REG[1], REGB1);
+      fra.me.REG[3] = CALL_static_type___MMSignature_____bra(fra.me.REG[0])(fra.me.REG[0], REGB1);
+      REGB1 = CALL_static_type___MMType_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+      if (UNTAG_Bool(REGB1)) {
+        /* ./metamodel//static_type.nit:115 */
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+        goto label1;
       }
-      CALL_abstract_collection___SimpleCollection___add( variable[4] /*p*/)( variable[4] /*p*/,  variable[8] /*i2*/) /*AbstractArray::add*/;
-      continue_16: while(0);
-      CALL_abstract_collection___Iterator___next(variable[5])(variable[5]) /*ArrayIterator::next*/;
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB1 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB1 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB1));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB3 = REGB1;
+    } else {
+      /* ./../lib/standard//kernel.nit:332 */
+      goto label2;
     }
-    break_16: while(0);
-  }
-  variable[6] = variable[0];
-  variable[6] = ATTR_static_type___MMSignature____return_type(variable[6]) /*MMSignature::_return_type*/;
-  variable[5] = variable[6];
-  variable[6] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[5] /*rv*/ ==  NIT_NULL /*null*/) || (( variable[5] /*rv*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*rv*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*rv*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*rv*/)( variable[5] /*rv*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[6])) { /*if*/
-    variable[6] = CALL_static_type___MMType___not_for_self( variable[5] /*rv*/)( variable[5] /*rv*/) /*MMType::not_for_self*/;
-    variable[5] = variable[6] /*rv=*/;
-    variable[6] = variable[0];
-    variable[6] = ATTR_static_type___MMSignature____return_type(variable[6]) /*MMSignature::_return_type*/;
-    variable[6] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[5] /*rv*/ == variable[6]) || (( variable[5] /*rv*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*rv*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*rv*/,variable[6])):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*rv*/)( variable[5] /*rv*/, variable[6]) /*Object::==*/)))))));
-    if (UNTAG_Bool(variable[6])) { /*if*/
-      variable[3] =  TAG_Bool(true) /*need_for_self=*/;
+  }
+  label2: while(0);
+  /* ./metamodel//static_type.nit:119 */
+  fra.me.REG[3] = CALL_static_type___MMSignature___closures(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+  /* ./metamodel//static_type.nit:119 */
+  fra.me.REG[3] = CALL_static_type___MMSignature___closures(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+  if (UNTAG_Bool(REGB4)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+  /* ./metamodel//static_type.nit:119 */
+  REGB1 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB4));
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB4 = TAG_Bool((REGB3)==(REGB4));
+    /* ./metamodel//static_type.nit:119 */
+    REGB1 = REGB4;
+  }
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:120 */
+  REGB1 = TAG_Int(0);
+  fra.me.REG[3] = CALL_static_type___MMSignature___closures(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+  if (UNTAG_Bool(REGB4)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+  /* ./../lib/standard//kernel.nit:332 */
+  while(1) {
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB3 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB4));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB3)) {
+      /* ./metamodel//static_type.nit:120 */
+      REGB3 = REGB1;
+      /* ./metamodel//static_type.nit:121 */
+      fra.me.REG[3] = CALL_static_type___MMSignature___closures(fra.me.REG[1])(fra.me.REG[1]);
+      /* ./../lib/standard//collection//array.nit:243 */
+      REGB2 = REGB3;
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB5 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB5 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB5));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB5)) {
+        REGB5 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+        if (UNTAG_Bool(REGB5)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+        }
+        REGB5 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB5 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB5));
+      } else {
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB6 = TAG_Bool(false);
+        REGB5 = REGB6;
+      }
+      if (UNTAG_Bool(REGB5)) {
+      } else {
+        nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+      }
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[3] = ATTR_array___Array____items(fra.me.REG[3]);
+      REGB5 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB5)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB2)];
+      /* ./../lib/standard//collection//array.nit:246 */
+      goto label3;
+      label3: while(0);
+      /* ./metamodel//static_type.nit:121 */
+      fra.me.REG[2] = CALL_static_type___MMSignature___closures(fra.me.REG[0])(fra.me.REG[0]);
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB2 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB2));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+        }
+        REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB2));
+      } else {
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB5 = TAG_Bool(false);
+        REGB2 = REGB5;
+      }
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+      }
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[2] = ATTR_array___Array____items(fra.me.REG[2]);
+      REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB3)];
+      /* ./../lib/standard//collection//array.nit:246 */
+      goto label4;
+      label4: while(0);
+      /* ./metamodel//static_type.nit:121 */
+      REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+        nit_abort("Reciever is null", NULL, LOCATE_static_type, 121);
+      }
+      REGB3 = CALL_static_type___MMClosure_____l(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+      REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+      if (UNTAG_Bool(REGB3)) {
+        REGB3 = TAG_Bool(false);
+        REGB0 = REGB3;
+        goto label1;
+      }
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB3 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB1 = REGB3;
+    } else {
+      /* ./../lib/standard//kernel.nit:332 */
+      goto label5;
+    }
+  }
+  label5: while(0);
+  /* ./metamodel//static_type.nit:123 */
+  REGB1 = TAG_Bool(true);
+  REGB0 = REGB1;
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMSignature_____bra(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 126;
+  fra.me.meth = LOCATE_static_type___MMSignature_____bra;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  REGB0 = p1;
+  /* ./metamodel//static_type.nit:129 */
+  REGB1 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 129);
+  }
+  fra.me.REG[1] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB0));
+  /* ./metamodel//static_type.nit:129 */
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_static_type, 129);
+  }
+  /* ./metamodel//static_type.nit:130 */
+  REGB1 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 130);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:245 */
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:213 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
+  /* ./../lib/standard//collection//array.nit:245 */
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+  } else {
+    /* ./../lib/standard//collection//array.nit:245 */
+    REGB2 = TAG_Bool(false);
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+  }
+  /* ./../lib/standard//collection//array.nit:246 */
+  fra.me.REG[0] = ATTR_array___Array____items(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+  }
+  /* ./../lib/standard//collection//array.nit:654 */
+  fra.me.REG[0] = ((Nit_NativeArray)fra.me.REG[0])->val[UNTAG_Int(REGB0)];
+  /* ./../lib/standard//collection//array.nit:246 */
+  goto label1;
+  label1: while(0);
+  /* ./metamodel//static_type.nit:130 */
+  goto label2;
+  label2: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMSignature___to_s(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
+  val_t tmp;
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_4; /* Once value */
+    static val_t once_value_5; /* Once value */
+    static val_t once_value_6; /* Once value */
+    static val_t once_value_7; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 133;
+  fra.me.meth = LOCATE_static_type___MMSignature___to_s;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:135 */
+  fra.me.REG[1] = NEW_Buffer_string___Buffer___init();
+  /* ./metamodel//static_type.nit:136 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 136);
+  }
+  fra.me.REG[2] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+  /* ./metamodel//static_type.nit:136 */
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
+  /* ./metamodel//static_type.nit:136 */
+  if (UNTAG_Bool(REGB1)) {
+    /* ./metamodel//static_type.nit:138 */
+    REGB1 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 138);
+    }
+    fra.me.REG[2] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+    /* ./metamodel//static_type.nit:138 */
+    fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB1);
+    /* ./metamodel//static_type.nit:139 */
+    REGB1 = TAG_Int(0);
+    REGB0 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 139);
+    }
+    fra.me.REG[3] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+    /* ./../lib/standard//kernel.nit:332 */
+    while(1) {
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
+      /* ./../lib/standard//kernel.nit:332 */
+      if (UNTAG_Bool(REGB2)) {
+        /* ./metamodel//static_type.nit:139 */
+        REGB2 = REGB1;
+        /* ./metamodel//static_type.nit:141 */
+        REGB3 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 141);
+        }
+        fra.me.REG[3] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB3 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB3 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB3)) {
+          REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+          if (UNTAG_Bool(REGB3)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+          }
+          REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
+        } else {
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB4 = TAG_Bool(false);
+          REGB3 = REGB4;
+        }
+        if (UNTAG_Bool(REGB3)) {
+        } else {
+          nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+        }
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[3] = ATTR_array___Array____items(fra.me.REG[3]);
+        REGB3 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB2)];
+        /* ./../lib/standard//collection//array.nit:246 */
+        goto label1;
+        label1: while(0);
+        /* ./metamodel//static_type.nit:143 */
+        fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+        /* ./../lib/standard//kernel.nit:334 */
+        REGB2 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+        /* ./../lib/standard//kernel.nit:334 */
+        REGB1 = REGB2;
+      } else {
+        /* ./../lib/standard//kernel.nit:332 */
+        goto label2;
+      }
+    }
+    label2: while(0);
+    /* ./metamodel//static_type.nit:145 */
+    REGB1 = TAG_Int(3);
+    fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
+    if (!once_value_3) {
+      fra.me.REG[4] = BOX_NativeString("(");
+      REGB1 = TAG_Int(1);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_3 = fra.me.REG[4];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[4] = once_value_3;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    if (!once_value_4) {
+      fra.me.REG[4] = BOX_NativeString(",");
+      REGB1 = TAG_Int(1);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_4 = fra.me.REG[4];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[4] = once_value_4;
+    fra.me.REG[4] = fra.me.REG[4];
+    fra.me.REG[4] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    if (!once_value_5) {
+      fra.me.REG[4] = BOX_NativeString(")");
+      REGB1 = TAG_Int(1);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_5 = fra.me.REG[4];
+      register_static_object(&once_value_5);
+    } else fra.me.REG[4] = once_value_5;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___Sequence___append(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  }
+  /* ./metamodel//static_type.nit:147 */
+  fra.me.REG[0] = ATTR_static_type___MMSignature____return_type(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:148 */
+  REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+      REGB1 = REGB0;
+    }
+  }
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Int(3);
+    fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
+    if (!once_value_6) {
+      fra.me.REG[4] = BOX_NativeString(": ");
+      REGB1 = TAG_Int(2);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_6 = fra.me.REG[4];
+      register_static_object(&once_value_6);
+    } else fra.me.REG[4] = once_value_6;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+    if (!once_value_7) {
+      fra.me.REG[0] = BOX_NativeString("");
+      REGB1 = TAG_Int(0);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB1);
+      once_value_7 = fra.me.REG[0];
+      register_static_object(&once_value_7);
+    } else fra.me.REG[0] = once_value_7;
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___Sequence___append(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  }
+  /* ./metamodel//static_type.nit:149 */
+  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+  goto label8;
+  label8: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMSignature___adaptation_to(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 152;
+  fra.me.meth = LOCATE_static_type___MMSignature___adaptation_to;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 8;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:155 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____recv(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_recv", LOCATE_static_type, 155);
+  }
+  fra.me.REG[2] = ATTR_static_type___MMSignature____recv(fra.me.REG[0]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[1]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:156 */
+    fra.me.REG[2] = fra.me.REG[0];
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:158 */
+  fra.me.REG[3] = CALL_static_type___MMType___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./metamodel//static_type.nit:159 */
+  fra.me.REG[4] = NEW_Array_array___Array___init();
+  /* ./metamodel//static_type.nit:160 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 160);
+  }
+  fra.me.REG[5] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[6] = ATTR_array___Array____items(fra.me.REG[5]);
+  /* ./../lib/standard//collection//array.nit:237 */
+  while(1) {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB0)];
+      /* ./metamodel//static_type.nit:161 */
+      fra.me.REG[7] = CALL_static_type___MMType___for_module(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[3]);
+      fra.me.REG[7] = CALL_static_type___MMType___adapt_to(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[1]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[7]);
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB0 = REGB1;
+    } else {
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label2;
     }
   }
-  variable[7] = variable[0];
-  variable[7] = ATTR_static_type___MMSignature____closures(variable[7]) /*MMSignature::_closures*/;
-  variable[6] = variable[7];
-  variable[7] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[6] /*clos*/ ==  NIT_NULL /*null*/) || (( variable[6] /*clos*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[6] /*clos*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[6] /*clos*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[6] /*clos*/)( variable[6] /*clos*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    variable[7] = NEW_Array_array___Array___init(); /*new Array[MMClosure]*/
-    variable[6] = variable[7] /*clos=*/;
-    variable[7] = variable[0];
-    variable[7] = ATTR_static_type___MMSignature____closures(variable[7]) /*MMSignature::_closures*/;
-    variable[7] = CALL_abstract_collection___Collection___iterator(variable[7])(variable[7]) /*AbstractArray::iterator*/;
-    while (true) { /*for*/
-      variable[8] = CALL_abstract_collection___Iterator___is_ok(variable[7])(variable[7]) /*ArrayIterator::is_ok*/;
-      if (!UNTAG_Bool(variable[8])) break; /*for*/
-      variable[8] = CALL_abstract_collection___Iterator___item(variable[7])(variable[7]) /*ArrayIterator::item*/;
-      variable[9] = variable[8];
-      variable[11] = CALL_static_type___MMClosure___not_for_self( variable[9] /*c*/)( variable[9] /*c*/) /*MMClosure::not_for_self*/;
-      variable[10] = variable[11];
-      variable[11] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[10] /*c2*/ ==  variable[9] /*c*/) || (( variable[10] /*c2*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[10] /*c2*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[10] /*c2*/, variable[9] /*c*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[10] /*c2*/)( variable[10] /*c2*/,  variable[9] /*c*/) /*Object::==*/)))))));
-      if (UNTAG_Bool(variable[11])) { /*if*/
-        variable[3] =  TAG_Bool(true) /*need_for_self=*/;
+  label2: while(0);
+  /* ./metamodel//static_type.nit:163 */
+  fra.me.REG[6] = ATTR_static_type___MMSignature____return_type(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:164 */
+  REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:165 */
+    REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_static_type, 165);
+    }
+    fra.me.REG[3] = CALL_static_type___MMType___for_module(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    fra.me.REG[3] = CALL_static_type___MMType___adapt_to(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[6] = fra.me.REG[3];
+  }
+  /* ./metamodel//static_type.nit:167 */
+  fra.me.REG[6] = NEW_MMSignature_static_type___MMSignature___init(fra.me.REG[4], fra.me.REG[6], fra.me.REG[1]);
+  /* ./metamodel//static_type.nit:168 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMSignature____closures(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_closures", LOCATE_static_type, 168);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMSignature____closures(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:237 */
+  while(1) {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
       }
-      CALL_abstract_collection___SimpleCollection___add( variable[6] /*clos*/)( variable[6] /*clos*/,  variable[10] /*c2*/) /*AbstractArray::add*/;
-      continue_17: while(0);
-      CALL_abstract_collection___Iterator___next(variable[7])(variable[7]) /*ArrayIterator::next*/;
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB0)];
+      /* ./metamodel//static_type.nit:169 */
+      fra.me.REG[5] = CALL_static_type___MMSignature___closures(fra.me.REG[6])(fra.me.REG[6]);
+      fra.me.REG[3] = CALL_static_type___MMClosure___adaptation_to(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB0 = REGB1;
+    } else {
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label3;
     }
-    break_17: while(0);
-  }
-  if (UNTAG_Bool( variable[3] /*need_for_self*/)) { /*if*/
-    variable[7] = variable[0];
-    variable[7] = ATTR_static_type___MMSignature____recv(variable[7]) /*MMSignature::_recv*/;
-    variable[8] = NEW_MMSignature_static_type___MMSignature___init( variable[4] /*p*/,  variable[5] /*rv*/, variable[7]); /*new MMSignature*/
-    variable[7] = variable[8];
-    variable[2] = variable[7] /*res=*/;
-    variable[7] = CALL_static_type___MMSignature___closures( variable[2] /*res*/)( variable[2] /*res*/) /*MMSignature::closures*/;
-    CALL_abstract_collection___SimpleCollection___add_all(variable[7])(variable[7],  variable[6] /*clos*/) /*SimpleCollection::add_all*/;
-  } else { /*if*/
-    variable[7] = variable[0];
-    variable[2] = variable[7] /*res=*/;
-  }
-  variable[7] = variable[0];
-  ATTR_static_type___MMSignature____not_for_self_cache(variable[7]) /*MMSignature::_not_for_self_cache*/ =  variable[2] /*res*/;
-  variable[1] =  variable[2] /*res*/;
-  goto return_label15;
-  return_label15: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void static_type___MMSignature___init(val_t  self, val_t  param0, val_t  param1, val_t  param2, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 217, LOCATE_static_type___MMSignature___init};
-  val_t variable[6];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  param1;
-  variable[3] =  param2;
-  if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMSignature].i]) return;
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*params*/ ==  NIT_NULL /*null*/) || (( variable[1] /*params*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*params*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*params*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*params*/)( variable[1] /*params*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[5])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMSignature___init, LOCATE_static_type, 219); nit_exit(1);}
-  variable[5] = variable[0];
-  ATTR_static_type___MMSignature____params(variable[5]) /*MMSignature::_params*/ =  variable[1] /*params*/;
-  variable[5] = variable[0];
-  ATTR_static_type___MMSignature____return_type(variable[5]) /*MMSignature::_return_type*/ =  variable[2] /*return_type*/;
-  variable[5] = variable[0];
-  ATTR_static_type___MMSignature____recv(variable[5]) /*MMSignature::_recv*/ =  variable[3] /*r*/;
-  return_label18: while(false);
-  init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMSignature].i] = 1;
-  tracehead = trace.prev;
+  }
+  label3: while(0);
+  /* ./metamodel//static_type.nit:171 */
+  fra.me.REG[2] = fra.me.REG[6];
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+val_t static_type___MMSignature___not_for_self(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 176;
+  fra.me.meth = LOCATE_static_type___MMSignature___not_for_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 9;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:180 */
+  fra.me.REG[1] = ATTR_static_type___MMSignature____not_for_self_cache(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[1] = ATTR_static_type___MMSignature____not_for_self_cache(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[1]!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_static_type, 180);
+    }
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:182 */
+  REGB0 = TAG_Bool(false);
+  /* ./metamodel//static_type.nit:183 */
+  fra.me.REG[2] = NEW_Array_array___Array___init();
+  /* ./metamodel//static_type.nit:184 */
+  REGB1 = TAG_Bool(ATTR_static_type___MMSignature____params(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_params", LOCATE_static_type, 184);
+  }
+  fra.me.REG[3] = ATTR_static_type___MMSignature____params(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[3]);
+  /* ./../lib/standard//collection//array.nit:237 */
+  while(1) {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[5] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB1)];
+      /* ./metamodel//static_type.nit:185 */
+      fra.me.REG[6] = CALL_static_type___MMType___not_for_self(fra.me.REG[5])(fra.me.REG[5]);
+      /* ./metamodel//static_type.nit:186 */
+      REGB2 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[5],fra.me.REG[6]));
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        REGB3 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+        REGB2 = REGB3;
+      }
+      REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(true);
+        REGB0 = REGB2;
+      }
+      /* ./metamodel//static_type.nit:187 */
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB2 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = REGB2;
+    } else {
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label2;
+    }
+  }
+  label2: while(0);
+  /* ./metamodel//static_type.nit:190 */
+  fra.me.REG[4] = ATTR_static_type___MMSignature____return_type(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:191 */
+  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      REGB2 = TAG_Bool(false);
+      REGB1 = REGB2;
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB1 = REGB2;
+    }
+  }
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    /* ./metamodel//static_type.nit:192 */
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_static_type, 192);
+    }
+    fra.me.REG[3] = CALL_static_type___MMType___not_for_self(fra.me.REG[4])(fra.me.REG[4]);
+    fra.me.REG[4] = fra.me.REG[3];
+    /* ./metamodel//static_type.nit:193 */
+    fra.me.REG[3] = ATTR_static_type___MMSignature____return_type(fra.me.REG[0]);
+    REGB1 = TAG_Bool(IS_EQUAL_NN(fra.me.REG[4],fra.me.REG[3]));
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(false);
+        REGB1 = REGB2;
+      } else {
+        REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+        REGB1 = REGB2;
+      }
+    }
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(true);
+      REGB0 = REGB1;
+    }
+  }
+  /* ./metamodel//static_type.nit:196 */
+  fra.me.REG[3] = NEW_Array_array___Array___init();
+  /* ./metamodel//static_type.nit:197 */
+  REGB1 = TAG_Bool(ATTR_static_type___MMSignature____closures(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_closures", LOCATE_static_type, 197);
+  }
+  fra.me.REG[6] = ATTR_static_type___MMSignature____closures(fra.me.REG[0]);
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[5] = ATTR_array___Array____items(fra.me.REG[6]);
+  /* ./../lib/standard//collection//array.nit:237 */
+  while(1) {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+      }
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB1)];
+      /* ./metamodel//static_type.nit:198 */
+      fra.me.REG[8] = CALL_static_type___MMClosure___not_for_self(fra.me.REG[7])(fra.me.REG[7]);
+      /* ./metamodel//static_type.nit:199 */
+      REGB2 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[8],fra.me.REG[7]));
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        REGB3 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        REGB2 = REGB3;
+      }
+      REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(true);
+        REGB0 = REGB2;
+      }
+      /* ./metamodel//static_type.nit:200 */
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[8]);
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB2 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = REGB2;
+    } else {
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label3;
+    }
+  }
+  label3: while(0);
+  /* ./metamodel//static_type.nit:204 */
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:205 */
+    REGB0 = TAG_Bool(ATTR_static_type___MMSignature____recv(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_recv", LOCATE_static_type, 205);
+    }
+    fra.me.REG[5] = ATTR_static_type___MMSignature____recv(fra.me.REG[0]);
+    fra.me.REG[5] = NEW_MMSignature_static_type___MMSignature___init(fra.me.REG[2], fra.me.REG[4], fra.me.REG[5]);
+    /* ./metamodel//static_type.nit:206 */
+    fra.me.REG[4] = CALL_static_type___MMSignature___closures(fra.me.REG[5])(fra.me.REG[5]);
+    CALL_abstract_collection___SimpleCollection___add_all(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+  } else {
+    /* ./metamodel//static_type.nit:208 */
+    fra.me.REG[5] = fra.me.REG[0];
+  }
+  /* ./metamodel//static_type.nit:211 */
+  ATTR_static_type___MMSignature____not_for_self_cache(fra.me.REG[0]) = fra.me.REG[5];
+  /* ./metamodel//static_type.nit:212 */
+  fra.me.REG[1] = fra.me.REG[5];
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+void static_type___MMSignature___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
+  int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMSignature].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t tmp;
+  if (init_table[itpos0]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 215;
+  fra.me.meth = LOCATE_static_type___MMSignature___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  /* ./metamodel//static_type.nit:217 */
+  ATTR_static_type___MMSignature____params(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./metamodel//static_type.nit:218 */
+  ATTR_static_type___MMSignature____return_type(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./metamodel//static_type.nit:219 */
+  ATTR_static_type___MMSignature____recv(fra.me.REG[0]) = fra.me.REG[3];
+  stack_frame_head = fra.me.prev;
+  init_table[itpos0] = 1;
   return;
 }
-val_t static_type___MMClosure___signature(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 228, LOCATE_static_type___MMClosure___signature};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMClosure____signature( self) /*MMClosure::_signature*/;
-}
-val_t static_type___MMClosure___is_break(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 231, LOCATE_static_type___MMClosure___is_break};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMClosure____is_break( self) /*MMClosure::_is_break*/;
-}
-val_t static_type___MMClosure___is_optional(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 235, LOCATE_static_type___MMClosure___is_optional};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMClosure____is_optional( self) /*MMClosure::_is_optional*/;
-}
-val_t static_type___MMClosure___adaptation_to(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 239, LOCATE_static_type___MMClosure___adaptation_to};
-  val_t variable[7];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMClosure____signature(variable[3]) /*MMClosure::_signature*/;
-  variable[3] = CALL_static_type___MMSignature___adaptation_to(variable[3])(variable[3],  variable[1] /*r*/) /*MMSignature::adaptation_to*/;
-  variable[4] = variable[0];
-  variable[4] = ATTR_static_type___MMClosure____is_break(variable[4]) /*MMClosure::_is_break*/;
-  variable[5] = variable[0];
-  variable[5] = ATTR_static_type___MMClosure____is_optional(variable[5]) /*MMClosure::_is_optional*/;
-  variable[6] = NEW_MMClosure_static_type___MMClosure___init(variable[3], variable[4], variable[5]); /*new MMClosure*/
-  variable[3] = variable[6];
-  variable[2] = variable[3];
-  goto return_label19;
-  return_label19: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-void static_type___MMClosure___init(val_t  self, val_t  param0, val_t  param1, val_t  param2, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 245, LOCATE_static_type___MMClosure___init};
-  val_t variable[6];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  param1;
-  variable[3] =  param2;
-  if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMClosure].i]) return;
-  variable[5] = variable[0];
-  ATTR_static_type___MMClosure____signature(variable[5]) /*MMClosure::_signature*/ =  variable[1] /*s*/;
-  variable[5] = variable[0];
-  ATTR_static_type___MMClosure____is_break(variable[5]) /*MMClosure::_is_break*/ =  variable[2] /*is_break*/;
-  variable[5] = variable[0];
-  ATTR_static_type___MMClosure____is_optional(variable[5]) /*MMClosure::_is_optional*/ =  variable[3] /*is_optional*/;
-  return_label20: while(false);
-  init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMClosure].i] = 1;
-  tracehead = trace.prev;
+val_t static_type___MMClosure___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 225;
+  fra.me.meth = LOCATE_static_type___MMClosure___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:225 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____name(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_name", LOCATE_static_type, 225);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMClosure____name(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMClosure___signature(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 228;
+  fra.me.meth = LOCATE_static_type___MMClosure___signature;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:228 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____signature(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_signature", LOCATE_static_type, 228);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMClosure____signature(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMClosure___is_break(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 231;
+  fra.me.meth = LOCATE_static_type___MMClosure___is_break;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:231 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____is_break(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_break", LOCATE_static_type, 231);
+  }
+  REGB0 = ATTR_static_type___MMClosure____is_break(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMClosure___is_optional(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 235;
+  fra.me.meth = LOCATE_static_type___MMClosure___is_optional;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:235 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____is_optional(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_optional", LOCATE_static_type, 235);
+  }
+  REGB0 = ATTR_static_type___MMClosure____is_optional(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMClosure___adaptation_to(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 239;
+  fra.me.meth = LOCATE_static_type___MMClosure___adaptation_to;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:242 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____name(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_name", LOCATE_static_type, 242);
+  }
+  fra.me.REG[2] = ATTR_static_type___MMClosure____name(fra.me.REG[0]);
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____signature(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_signature", LOCATE_static_type, 242);
+  }
+  fra.me.REG[3] = ATTR_static_type___MMClosure____signature(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMSignature___adaptation_to(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____is_break(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_break", LOCATE_static_type, 242);
+  }
+  REGB0 = ATTR_static_type___MMClosure____is_break(fra.me.REG[0]);
+  REGB1 = TAG_Bool(ATTR_static_type___MMClosure____is_optional(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_optional", LOCATE_static_type, 242);
+  }
+  REGB1 = ATTR_static_type___MMClosure____is_optional(fra.me.REG[0]);
+  fra.me.REG[1] = NEW_MMClosure_static_type___MMClosure___init(fra.me.REG[2], fra.me.REG[1], REGB0, REGB1);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+void static_type___MMClosure___init(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, int* init_table){
+  int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMClosure].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  if (init_table[itpos1]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 245;
+  fra.me.meth = LOCATE_static_type___MMClosure___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  REGB0 = p3;
+  REGB1 = p4;
+  /* ./metamodel//static_type.nit:247 */
+  ATTR_static_type___MMClosure____name(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./metamodel//static_type.nit:248 */
+  ATTR_static_type___MMClosure____signature(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./metamodel//static_type.nit:249 */
+  ATTR_static_type___MMClosure____is_break(fra.me.REG[0]) = REGB0;
+  /* ./metamodel//static_type.nit:250 */
+  ATTR_static_type___MMClosure____is_optional(fra.me.REG[0]) = REGB1;
+  stack_frame_head = fra.me.prev;
+  init_table[itpos1] = 1;
   return;
 }
-val_t static_type___MMClosure___not_for_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 252, LOCATE_static_type___MMClosure___not_for_self};
-  val_t variable[6];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMClosure____signature(variable[3]) /*MMClosure::_signature*/;
-  variable[3] = CALL_static_type___MMSignature___not_for_self(variable[3])(variable[3]) /*MMSignature::not_for_self*/;
-  variable[2] = variable[3];
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMClosure____signature(variable[3]) /*MMClosure::_signature*/;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[2] /*sig*/ == variable[3]) || (( variable[2] /*sig*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[2] /*sig*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[2] /*sig*/,variable[3])):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[2] /*sig*/)( variable[2] /*sig*/, variable[3]) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = variable[0];
-    variable[3] = ATTR_static_type___MMClosure____is_break(variable[3]) /*MMClosure::_is_break*/;
-    variable[4] = variable[0];
-    variable[4] = ATTR_static_type___MMClosure____is_optional(variable[4]) /*MMClosure::_is_optional*/;
-    variable[5] = NEW_MMClosure_static_type___MMClosure___init( variable[2] /*sig*/, variable[3], variable[4]); /*new MMClosure*/
-    variable[3] = variable[5];
-    variable[1] = variable[3];
-    goto return_label21;
-  } else { /*if*/
-    variable[3] = variable[0];
-    variable[1] = variable[3];
-    goto return_label21;
-  }
-  return_label21: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMAncestor___to_s(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 282, LOCATE_static_type___MMAncestor___to_s};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = CALL_static_type___MMAncestor___stype(variable[2])(variable[2]) /*MMAncestor::stype*/;
-  variable[2] = TAG_Bool((variable[2] ==  NIT_NULL /*null*/) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[2])) { /*if*/
-    variable[2] = variable[0];
-    variable[2] = CALL_static_type___MMAncestor___local_class(variable[2])(variable[2]) /*MMAncestor::local_class*/;
-    variable[2] = CALL_string___Object___to_s(variable[2])(variable[2]) /*MMLocalClass::to_s*/;
-    variable[1] = variable[2];
-    goto return_label22;
-  } else { /*if*/
-    variable[2] = variable[0];
-    variable[2] = CALL_static_type___MMAncestor___stype(variable[2])(variable[2]) /*MMAncestor::stype*/;
-    variable[2] = CALL_string___Object___to_s(variable[2])(variable[2]) /*Object::to_s*/;
-    variable[1] = variable[2];
-    goto return_label22;
-  }
-  return_label22: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMAncestor___stype(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 265, LOCATE_static_type___MMAncestor___stype};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMAncestor____stype( self) /*MMAncestor::_stype*/;
-}
-void static_type___MMAncestor___stype__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 265, LOCATE_static_type___MMAncestor___stype__eq};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  ATTR_static_type___MMAncestor____stype( self) /*MMAncestor::_stype*/ =  param0;
-  tracehead = trace.prev;
+val_t static_type___MMClosure___not_for_self(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 253;
+  fra.me.meth = LOCATE_static_type___MMClosure___not_for_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:255 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____signature(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_signature", LOCATE_static_type, 255);
+  }
+  fra.me.REG[1] = ATTR_static_type___MMClosure____signature(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMSignature___not_for_self(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./metamodel//static_type.nit:256 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMClosure____signature(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_signature", LOCATE_static_type, 256);
+  }
+  fra.me.REG[2] = ATTR_static_type___MMClosure____signature(fra.me.REG[0]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:257 */
+    REGB0 = TAG_Bool(ATTR_static_type___MMClosure____name(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_name", LOCATE_static_type, 257);
+    }
+    fra.me.REG[2] = ATTR_static_type___MMClosure____name(fra.me.REG[0]);
+    REGB0 = TAG_Bool(ATTR_static_type___MMClosure____is_break(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_is_break", LOCATE_static_type, 257);
+    }
+    REGB0 = ATTR_static_type___MMClosure____is_break(fra.me.REG[0]);
+    REGB1 = TAG_Bool(ATTR_static_type___MMClosure____is_optional(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_is_optional", LOCATE_static_type, 257);
+    }
+    REGB1 = ATTR_static_type___MMClosure____is_optional(fra.me.REG[0]);
+    fra.me.REG[1] = NEW_MMClosure_static_type___MMClosure___init(fra.me.REG[2], fra.me.REG[1], REGB0, REGB1);
+    goto label1;
+  } else {
+    /* ./metamodel//static_type.nit:259 */
+    fra.me.REG[1] = fra.me.REG[0];
+    goto label1;
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMClosure_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 263;
+  fra.me.meth = LOCATE_static_type___MMClosure_____l;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:265 */
+  REGB0 = CALL_static_type___MMClosure___is_optional(fra.me.REG[1])(fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = CALL_static_type___MMClosure___is_optional(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(false);
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:266 */
+  REGB1 = CALL_static_type___MMClosure___is_break(fra.me.REG[1])(fra.me.REG[1]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = CALL_static_type___MMClosure___is_break(fra.me.REG[0])(fra.me.REG[0]);
+  } else {
+    REGB2 = TAG_Bool(false);
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:267 */
+  fra.me.REG[1] = CALL_static_type___MMClosure___signature(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[0] = CALL_static_type___MMClosure___signature(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_static_type___MMSignature_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  REGB0 = REGB1;
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void static_type___MMAncestor___stype__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 273;
+  fra.me.meth = LOCATE_static_type___MMAncestor___stype__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:273 */
+  ATTR_static_type___MMAncestor____stype(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t static_type___MMAncestor___inheriter(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 268, LOCATE_static_type___MMAncestor___inheriter};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMAncestor____inheriter( self) /*MMAncestor::_inheriter*/;
-}
-void static_type___MMAncestor___inheriter__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 268, LOCATE_static_type___MMAncestor___inheriter__eq};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  ATTR_static_type___MMAncestor____inheriter( self) /*MMAncestor::_inheriter*/ =  param0;
-  tracehead = trace.prev;
+val_t static_type___MMAncestor___stype(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 276;
+  fra.me.meth = LOCATE_static_type___MMAncestor___stype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:277 */
+  fra.me.REG[0] = ATTR_static_type___MMAncestor____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_static_type, 277);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void static_type___MMAncestor___inheriter__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 279;
+  fra.me.meth = LOCATE_static_type___MMAncestor___inheriter__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:279 */
+  ATTR_static_type___MMAncestor____inheriter(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t static_type___MMAncestor___is_reffinement(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 271, LOCATE_static_type___MMAncestor___is_reffinement};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = CALL_static_type___MMAncestor___stype(variable[2])(variable[2]) /*MMAncestor::stype*/;
-  variable[2] = CALL_static_type___MMType___module(variable[2])(variable[2]) /*MMType::module*/;
-  variable[3] = variable[0];
-  variable[3] = CALL_static_type___MMAncestor___stype(variable[3])(variable[3]) /*MMAncestor::stype*/;
-  variable[3] = CALL_static_type___MMType___module(variable[3])(variable[3]) /*MMType::module*/;
-  variable[2] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[2] == variable[3]) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2],variable[3])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2], variable[3]) /*Object::==*/)))))));
-  variable[1] = variable[2];
-  goto return_label23;
-  return_label23: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMAncestor___is_specialisation(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 275, LOCATE_static_type___MMAncestor___is_specialisation};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = CALL_static_type___MMAncestor___stype(variable[2])(variable[2]) /*MMAncestor::stype*/;
-  variable[2] = CALL_static_type___MMType___local_class(variable[2])(variable[2]) /*MMType::local_class*/;
-  variable[2] = CALL_abstractmetamodel___MMLocalClass___global(variable[2])(variable[2]) /*MMLocalClass::global*/;
-  variable[3] = variable[0];
-  variable[3] = CALL_static_type___MMAncestor___inheriter(variable[3])(variable[3]) /*MMAncestor::inheriter*/;
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___global(variable[3])(variable[3]) /*MMLocalClass::global*/;
-  variable[2] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[2] == variable[3]) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2],variable[3])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2], variable[3]) /*Object::==*/)))))));
-  variable[1] = variable[2];
-  goto return_label24;
-  return_label24: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMAncestor___local_class(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 279, LOCATE_static_type___MMAncestor___local_class};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 279);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMAncestor___inheriter(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 282;
+  fra.me.meth = LOCATE_static_type___MMAncestor___inheriter;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:283 */
+  fra.me.REG[0] = ATTR_static_type___MMAncestor____inheriter(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_static_type, 283);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMAncestor___is_reffinement(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 285;
+  fra.me.meth = LOCATE_static_type___MMAncestor___is_reffinement;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:286 */
+  fra.me.REG[1] = CALL_static_type___MMAncestor___stype(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMType___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[0] = CALL_static_type___MMAncestor___stype(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_static_type___MMType___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[0]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMAncestor___is_specialisation(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 289;
+  fra.me.meth = LOCATE_static_type___MMAncestor___is_specialisation;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:290 */
+  fra.me.REG[1] = CALL_static_type___MMAncestor___stype(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMType___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[0] = CALL_static_type___MMAncestor___inheriter(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_static_type___MMType___local_class(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[0]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMAncestor___local_class(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 293;
+  fra.me.meth = LOCATE_static_type___MMAncestor___local_class;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:293 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 293);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-void static_type___MMAncestor___init(val_t  self, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 0, LOCATE_static_type___MMAncestor___init};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
+val_t static_type___MMAncestor___to_s(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 296;
+  fra.me.meth = LOCATE_static_type___MMAncestor___to_s;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:298 */
+  fra.me.REG[1] = ATTR_static_type___MMAncestor____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:299 */
+    fra.me.REG[1] = CALL_static_type___MMAncestor___local_class(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+    goto label1;
+  } else {
+    /* ./metamodel//static_type.nit:301 */
+    fra.me.REG[0] = CALL_static_type___MMAncestor___stype(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = fra.me.REG[0];
+    goto label1;
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+void static_type___MMAncestor___init(val_t p0, int* init_table){
+  int itpos2 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMAncestor].i;
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  if (init_table[itpos2]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 0;
+  fra.me.meth = LOCATE_static_type___MMAncestor___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  stack_frame_head = fra.me.prev;
+  init_table[itpos2] = 1;
   return;
 }
-val_t static_type___MMType___module(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 295, LOCATE_static_type___MMType___module};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 295);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___mmmodule(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 309;
+  fra.me.meth = LOCATE_static_type___MMType___mmmodule;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:309 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 309);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType___local_class(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 298, LOCATE_static_type___MMType___local_class};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 298);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___local_class(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 312;
+  fra.me.meth = LOCATE_static_type___MMType___local_class;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:312 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 312);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType_____l(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 301, LOCATE_static_type___MMType_____l};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 301);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___is_valid(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 315;
+  fra.me.meth = LOCATE_static_type___MMType___is_valid;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:317 */
+  REGB0 = TAG_Bool(true);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMType_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 319;
+  fra.me.meth = LOCATE_static_type___MMType_____l;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:319 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 319);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType___is_supertype(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 304, LOCATE_static_type___MMType___is_supertype};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 304);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___is_supertype(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 322;
+  fra.me.meth = LOCATE_static_type___MMType___is_supertype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:322 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 322);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType___for_module(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 309, LOCATE_static_type___MMType___for_module};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 309);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___for_module(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 327;
+  fra.me.meth = LOCATE_static_type___MMType___for_module;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:327 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 327);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType___adapt_to(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 312, LOCATE_static_type___MMType___adapt_to};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 312);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___adapt_to(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 330;
+  fra.me.meth = LOCATE_static_type___MMType___adapt_to;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:330 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 330);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType___upcast_for(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 316, LOCATE_static_type___MMType___upcast_for};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_static_type, 316);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t static_type___MMType___upcast_for(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 334;
+  fra.me.meth = LOCATE_static_type___MMType___upcast_for;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./metamodel//static_type.nit:334 */
+  nit_abort("Deferred method called", NULL, LOCATE_static_type, 334);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t static_type___MMType___not_for_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 320, LOCATE_static_type___MMType___not_for_self};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[1] = variable[2];
-  goto return_label25;
-  return_label25: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void static_type___MMType___init(val_t  self, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 0, LOCATE_static_type___MMType___init};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
+val_t static_type___MMType___not_for_self(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 356;
+  fra.me.meth = LOCATE_static_type___MMType___not_for_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:358 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMType___is_nullable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 363;
+  fra.me.meth = LOCATE_static_type___MMType___is_nullable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:364 */
+  REGB0 = TAG_Bool(false);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMType___as_nullable(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 366;
+  fra.me.meth = LOCATE_static_type___MMType___as_nullable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:369 */
+  fra.me.REG[1] = ATTR_static_type___MMType____as_nullable_cache(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:370 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./metamodel//static_type.nit:371 */
+  fra.me.REG[2] = NEW_MMNullableType_static_type___MMNullableType___init(fra.me.REG[0]);
+  /* ./metamodel//static_type.nit:372 */
+  ATTR_static_type___MMType____as_nullable_cache(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./metamodel//static_type.nit:373 */
+  fra.me.REG[1] = fra.me.REG[2];
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMType___as_notnull(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 376;
+  fra.me.meth = LOCATE_static_type___MMType___as_notnull;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:378 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void static_type___MMType___init(val_t p0, int* init_table){
+  int itpos3 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMType].i;
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  if (init_table[itpos3]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 0;
+  fra.me.meth = LOCATE_static_type___MMType___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  stack_frame_head = fra.me.prev;
+  init_table[itpos3] = 1;
   return;
 }
-val_t static_type___MMTypeClass___to_s(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 331, LOCATE_static_type___MMTypeClass___to_s};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_static_type___MMTypeClass____local_class(variable[2]) /*MMTypeClass::_local_class*/;
-  variable[2] = CALL_string___Object___to_s(variable[2])(variable[2]) /*MMLocalClass::to_s*/;
-  variable[1] = variable[2];
-  goto return_label26;
-  return_label26: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMTypeClass___module(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 328, LOCATE_static_type___MMTypeClass___module};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_static_type___MMTypeClass____local_class(variable[2]) /*MMTypeClass::_local_class*/;
-  variable[2] = CALL_abstractmetamodel___MMLocalClass___module(variable[2])(variable[2]) /*MMLocalClass::module*/;
-  variable[1] = variable[2];
-  goto return_label27;
-  return_label27: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMTypeClass___local_class(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 327, LOCATE_static_type___MMTypeClass___local_class};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMTypeClass____local_class( self) /*MMTypeClass::_local_class*/;
-}
-val_t static_type___MMTypeClass_____l(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 329, LOCATE_static_type___MMTypeClass_____l};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*t*/ ==  NIT_NULL /*null*/) || (( variable[1] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*t*/)( variable[1] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  variable[4] = variable[3];
-  if (UNTAG_Bool(variable[4])) { /* and */
-    variable[4] = variable[0];
-    variable[4] = CALL_static_type___MMType___is_supertype( variable[1] /*t*/)( variable[1] /*t*/, variable[4]) /*MMType::is_supertype*/;
-  }
-  variable[3] = variable[4];
-  variable[2] = variable[3];
-  goto return_label28;
-  return_label28: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMTypeClass___upcast_for(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 336, LOCATE_static_type___MMTypeClass___upcast_for};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_static_type___MMTypeClass____local_class(variable[3]) /*MMTypeClass::_local_class*/;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMTypeClass___upcast_for, LOCATE_static_type, 338); nit_exit(1);}
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*c*/ ==  NIT_NULL /*null*/) || (( variable[1] /*c*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*c*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*c*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*c*/)( variable[1] /*c*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMTypeClass___upcast_for, LOCATE_static_type, 339); nit_exit(1);}
-  variable[4] = variable[0];
-  variable[3] = variable[4];
-  variable[4] = variable[0];
-  variable[4] = ATTR_static_type___MMTypeClass____local_class(variable[4]) /*MMTypeClass::_local_class*/;
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  variable[1] /*c*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*c*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  variable[1] /*c*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    variable[4] = ATTR_static_type___MMTypeClass____local_class(variable[4]) /*MMTypeClass::_local_class*/;
-    variable[4] = CALL_static_type___MMLocalClass___ancestor(variable[4])(variable[4],  variable[1] /*c*/) /*MMLocalClass::ancestor*/;
-    variable[3] = variable[4] /*t=*/;
-  }
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMTypeClass___upcast_for, LOCATE_static_type, 345); nit_exit(1);}
-  variable[2] =  variable[3] /*t*/;
-  goto return_label29;
-  return_label29: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-void static_type___MMTypeClass___init(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 349, LOCATE_static_type___MMTypeClass___init};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMTypeClass].i]) return;
-  variable[3] = variable[0];
-  ATTR_static_type___MMTypeClass____local_class(variable[3]) /*MMTypeClass::_local_class*/ =  variable[1] /*c*/;
-  return_label30: while(false);
-  init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMTypeClass].i] = 1;
-  tracehead = trace.prev;
+val_t static_type___MMNullableType___is_valid(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 384;
+  fra.me.meth = LOCATE_static_type___MMNullableType___is_valid;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:384 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 384);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  REGB0 = CALL_static_type___MMType___is_valid(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMNullableType___is_nullable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 385;
+  fra.me.meth = LOCATE_static_type___MMNullableType___is_nullable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:385 */
+  REGB0 = TAG_Bool(true);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMNullableType___as_notnull(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 386;
+  fra.me.meth = LOCATE_static_type___MMNullableType___as_notnull;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:386 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 386);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMNullableType___as_nullable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 387;
+  fra.me.meth = LOCATE_static_type___MMNullableType___as_nullable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:387 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void static_type___MMNullableType___init(val_t p0, val_t p1, int* init_table){
+  int itpos4 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMNullableType].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  if (init_table[itpos4]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 388;
+  fra.me.meth = LOCATE_static_type___MMNullableType___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:388 */
+  fra.me.REG[2] = fra.me.REG[0];
+  CALL_static_type___MMType___init(fra.me.REG[0])(fra.me.REG[0], init_table);
+  ATTR_static_type___MMNullableType____base_type(fra.me.REG[2]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
+  init_table[itpos4] = 1;
+  return;
+}
+val_t static_type___MMNullableType___mmmodule(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 390;
+  fra.me.meth = LOCATE_static_type___MMNullableType___mmmodule;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:390 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 390);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_static_type___MMType___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMNullableType___local_class(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 392;
+  fra.me.meth = LOCATE_static_type___MMNullableType___local_class;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:392 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 392);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_static_type___MMType___local_class(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMNullableType_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 394;
+  fra.me.meth = LOCATE_static_type___MMNullableType_____l;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:396 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMNullableType, ID_MMNullableType)) /*cast MMNullableType*/;
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 396);
+    }
+    fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+    fra.me.REG[1] = CALL_static_type___MMType___as_notnull(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = CALL_static_type___MMType_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMNullableType___to_s(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 399;
+  fra.me.meth = LOCATE_static_type___MMNullableType___to_s;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:401 */
+  REGB0 = TAG_Int(3);
+  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("nullable ");
+    REGB0 = TAG_Int(9);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 401);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[0] = BOX_NativeString("");
+    REGB0 = TAG_Int(0);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMNullableType___is_supertype(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 404;
+  fra.me.meth = LOCATE_static_type___MMNullableType___is_supertype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:406 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 406);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  REGB0 = CALL_static_type___MMType___is_supertype(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMNullableType___for_module(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 409;
+  fra.me.meth = LOCATE_static_type___MMNullableType___for_module;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:411 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 411);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMType___for_module(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  fra.me.REG[1] = CALL_static_type___MMType___as_nullable(fra.me.REG[1])(fra.me.REG[1]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMNullableType___adapt_to(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 414;
+  fra.me.meth = LOCATE_static_type___MMNullableType___adapt_to;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:416 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 416);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMType___adapt_to(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  fra.me.REG[1] = CALL_static_type___MMType___as_nullable(fra.me.REG[1])(fra.me.REG[1]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMNullableType___upcast_for(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 419;
+  fra.me.meth = LOCATE_static_type___MMNullableType___upcast_for;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:421 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 421);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_static_type___MMType___upcast_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t static_type___MMNullableType___not_for_self(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 424;
+  fra.me.meth = LOCATE_static_type___MMNullableType___not_for_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:426 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMNullableType____base_type(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_base_type", LOCATE_static_type, 426);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMNullableType____base_type(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_static_type___MMType___not_for_self(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_static_type___MMType___as_nullable(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeClass___local_class(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 432;
+  fra.me.meth = LOCATE_static_type___MMTypeClass___local_class;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:432 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 432);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeClass___mmmodule(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 433;
+  fra.me.meth = LOCATE_static_type___MMTypeClass___mmmodule;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:433 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 433);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeClass_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 434;
+  fra.me.meth = LOCATE_static_type___MMTypeClass_____l;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:434 */
+  REGB0 = CALL_static_type___MMType___is_supertype(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMTypeClass___to_s(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 436;
+  fra.me.meth = LOCATE_static_type___MMTypeClass___to_s;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:438 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 438);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeClass___upcast_for(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 441;
+  fra.me.meth = LOCATE_static_type___MMTypeClass___upcast_for;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:443 */
+  fra.me.REG[2] = fra.me.REG[0];
+  /* ./metamodel//static_type.nit:444 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 444);
+  }
+  fra.me.REG[3] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[1]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:445 */
+    REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 445);
+    }
+    fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+    fra.me.REG[1] = CALL_static_type___MMLocalClass___ancestor(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    fra.me.REG[2] = fra.me.REG[1];
+  }
+  /* ./metamodel//static_type.nit:447 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+void static_type___MMTypeClass___init(val_t p0, val_t p1, int* init_table){
+  int itpos5 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMTypeClass].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  if (init_table[itpos5]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 450;
+  fra.me.meth = LOCATE_static_type___MMTypeClass___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:450 */
+  fra.me.REG[2] = fra.me.REG[0];
+  CALL_static_type___MMType___init(fra.me.REG[0])(fra.me.REG[0], init_table);
+  /* ./metamodel//static_type.nit:452 */
+  ATTR_static_type___MMTypeClass____local_class(fra.me.REG[2]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
+  init_table[itpos5] = 1;
   return;
 }
-val_t static_type___MMTypeSimpleClass___is_supertype(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 357, LOCATE_static_type___MMTypeSimpleClass___is_supertype};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = CALL_static_type___MMType___local_class( variable[1] /*t*/)( variable[1] /*t*/) /*MMType::local_class*/;
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___cshe(variable[3])(variable[3]) /*MMLocalClass::cshe*/;
-  variable[4] = variable[0];
-  variable[4] = ATTR_static_type___MMTypeClass____local_class(variable[4]) /*MMTypeClass::_local_class*/;
-  variable[3] = CALL_partial_order___PartialOrderElement_____leq(variable[3])(variable[3], variable[4]) /*PartialOrderElement::<=*/;
-  variable[2] = variable[3];
-  goto return_label31;
-  return_label31: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMTypeSimpleClass___for_module(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 362, LOCATE_static_type___MMTypeSimpleClass___for_module};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[3] = variable[4];
-  variable[4] = variable[0];
-  variable[4] = CALL_static_type___MMType___module(variable[4])(variable[4]) /*MMTypeClass::module*/;
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  variable[1] /*mod*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*mod*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  variable[1] /*mod*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    variable[4] = ATTR_static_type___MMTypeClass____local_class(variable[4]) /*MMTypeClass::_local_class*/;
-    variable[4] = CALL_abstractmetamodel___MMLocalClass___for_module(variable[4])(variable[4],  variable[1] /*mod*/) /*MMLocalClass::for_module*/;
-    variable[4] = CALL_static_type___MMLocalClass___get_type(variable[4])(variable[4]) /*MMLocalClass::get_type*/;
-    variable[3] = variable[4] /*t=*/;
-  }
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMTypeSimpleClass___for_module, LOCATE_static_type, 368); nit_exit(1);}
-  variable[2] =  variable[3] /*t*/;
-  goto return_label32;
-  return_label32: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMTypeSimpleClass___adapt_to(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 372, LOCATE_static_type___MMTypeSimpleClass___adapt_to};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[2] = variable[3];
-  goto return_label33;
-  return_label33: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-void static_type___MMTypeSimpleClass___init(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 374, LOCATE_static_type___MMTypeSimpleClass___init};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMTypeSimpleClass].i]) return;
-  CALL_static_type___MMTypeClass___init(variable[0])(variable[0],  variable[1] /*c*/, init_table /*YYY*/) /*MMTypeClass::init*/;
-  return_label34: while(false);
-  init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMTypeSimpleClass].i] = 1;
-  tracehead = trace.prev;
+val_t static_type___MMTypeSimpleClass___is_supertype(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 458;
+  fra.me.meth = LOCATE_static_type___MMTypeSimpleClass___is_supertype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:460 */
+  fra.me.REG[1] = CALL_static_type___MMType___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[1] = CALL_abstractmetamodel___MMLocalClass___cshe(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 460);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+  REGB0 = CALL_partial_order___PartialOrderElement_____leq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMTypeSimpleClass___for_module(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 463;
+  fra.me.meth = LOCATE_static_type___MMTypeSimpleClass___for_module;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:465 */
+  fra.me.REG[2] = fra.me.REG[0];
+  /* ./metamodel//static_type.nit:466 */
+  fra.me.REG[3] = CALL_static_type___MMType___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[1]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    REGB0 = REGB1;
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./metamodel//static_type.nit:467 */
+    REGB0 = TAG_Bool(ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_local_class", LOCATE_static_type, 467);
+    }
+    fra.me.REG[0] = ATTR_static_type___MMTypeClass____local_class(fra.me.REG[0]);
+    fra.me.REG[1] = CALL_abstractmetamodel___MMLocalClass___for_module(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    fra.me.REG[1] = CALL_static_type___MMLocalClass___get_type(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[2] = fra.me.REG[1];
+  }
+  /* ./metamodel//static_type.nit:469 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+val_t static_type___MMTypeSimpleClass___adapt_to(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 472;
+  fra.me.meth = LOCATE_static_type___MMTypeSimpleClass___adapt_to;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:472 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void static_type___MMTypeSimpleClass___init(val_t p0, val_t p1, int* init_table){
+  int itpos6 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMTypeSimpleClass].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  if (init_table[itpos6]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 474;
+  fra.me.meth = LOCATE_static_type___MMTypeSimpleClass___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:476 */
+  CALL_static_type___MMTypeClass___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], init_table);
+  stack_frame_head = fra.me.prev;
+  init_table[itpos6] = 1;
   return;
 }
-val_t static_type___MMTypeNone___module(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 383, LOCATE_static_type___MMTypeNone___module};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMTypeNone____module( self) /*MMTypeNone::_module*/;
-}
-val_t static_type___MMTypeNone___local_class(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 386, LOCATE_static_type___MMTypeNone___local_class};
-  val_t variable[2];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  fprintf(stderr, "Aborted"); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_static_type___MMTypeNone___local_class, LOCATE_static_type, 386); nit_exit(1);
-  return_label35: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t static_type___MMTypeNone_____l(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 384, LOCATE_static_type___MMTypeNone_____l};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  TAG_Bool(true);
-  goto return_label36;
-  return_label36: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMTypeNone___is_supertype(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 385, LOCATE_static_type___MMTypeNone___is_supertype};
-  val_t variable[3];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  TAG_Bool(false);
-  goto return_label37;
-  return_label37: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t static_type___MMTypeNone___upcast_for(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 387, LOCATE_static_type___MMTypeNone___upcast_for};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[2] = variable[3];
-  goto return_label38;
-  return_label38: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-void static_type___MMTypeNone___init(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 389, LOCATE_static_type___MMTypeNone___init};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  variable[0] =  self;
-  variable[1] =  param0;
-  if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMTypeNone].i]) return;
-  variable[3] = variable[0];
-  ATTR_static_type___MMTypeNone____module(variable[3]) /*MMTypeNone::_module*/ =  variable[1] /*m*/;
-  return_label39: while(false);
-  init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_MMTypeNone].i] = 1;
-  tracehead = trace.prev;
+val_t static_type___MMTypeNone___mmmodule(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 483;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___mmmodule;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:483 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMTypeNone____mmmodule(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_mmmodule", LOCATE_static_type, 483);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMTypeNone____mmmodule(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeNone___is_nullable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 484;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___is_nullable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:484 */
+  REGB0 = TAG_Bool(true);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMTypeNone_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 485;
+  fra.me.meth = LOCATE_static_type___MMTypeNone_____l;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:485 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMNullableType, ID_MMNullableType)) /*cast MMNullableType*/;
+    REGB0 = REGB1;
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMTypeNone___to_s(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 486;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___to_s;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:486 */
+  if (!once_value_1) {
+    fra.me.REG[0] = BOX_NativeString("null");
+    REGB0 = TAG_Int(4);
+    fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label2;
+  label2: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeNone___is_supertype(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 487;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___is_supertype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:487 */
+  REGB0 = TAG_Bool(false);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t static_type___MMTypeNone___local_class(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 488;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___local_class;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:488 */
+  nit_abort("Aborted", NULL, LOCATE_static_type, 488);
+  stack_frame_head = fra.me.prev;
+  return NIT_NULL;
+}
+val_t static_type___MMTypeNone___upcast_for(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 489;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___upcast_for;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:489 */
+  nit_abort("Aborted", NULL, LOCATE_static_type, 489);
+  stack_frame_head = fra.me.prev;
+  return NIT_NULL;
+}
+val_t static_type___MMTypeNone___as_nullable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 490;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___as_nullable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:490 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMTypeNone___as_notnull(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 491;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___as_notnull;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:491 */
+  nit_abort("Aborted", NULL, LOCATE_static_type, 491);
+  stack_frame_head = fra.me.prev;
+  return NIT_NULL;
+}
+void static_type___MMTypeNone___init(val_t p0, val_t p1, int* init_table){
+  int itpos7 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_MMTypeNone].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  if (init_table[itpos7]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 493;
+  fra.me.meth = LOCATE_static_type___MMTypeNone___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./metamodel//static_type.nit:493 */
+  fra.me.REG[2] = fra.me.REG[0];
+  CALL_static_type___MMType___init(fra.me.REG[0])(fra.me.REG[0], init_table);
+  ATTR_static_type___MMTypeNone____mmmodule(fra.me.REG[2]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
+  init_table[itpos7] = 1;
   return;
 }
-val_t static_type___MMModule___type_none(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 393, LOCATE_static_type___MMModule___type_none};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_static_type;
-  tracehead = trace.prev;
-  return ATTR_static_type___MMModule____type_none( self) /*MMModule::_type_none*/;
+val_t static_type___MMModule___type_none(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 497;
+  fra.me.meth = LOCATE_static_type___MMModule___type_none;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:497 */
+  REGB0 = TAG_Bool(ATTR_static_type___MMModule____type_none(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_type_none", LOCATE_static_type, 497);
+  }
+  fra.me.REG[0] = ATTR_static_type___MMModule____type_none(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t static_type___MMModule___type_bool(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_static_type;
+  fra.me.line = 500;
+  fra.me.meth = LOCATE_static_type___MMModule___type_bool;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./metamodel//static_type.nit:503 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[1] = BOX_NativeString("Bool");
+      REGB0 = TAG_Int(4);
+      fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+      once_value_2 = fra.me.REG[1];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[1] = once_value_2;
+    fra.me.REG[1] = fra.me.REG[1];
+    fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+    once_value_1 = fra.me.REG[1];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[1] = once_value_1;
+  fra.me.REG[1] = fra.me.REG[1];
+  fra.me.REG[1] = CALL_abstractmetamodel___MMModule___class_by_name(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  fra.me.REG[1] = CALL_static_type___MMLocalClass___get_type(fra.me.REG[1])(fra.me.REG[1]);
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
 }