Templatise type representation

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10542 matching lines @@
     Object* object = info->target_object();
     if (object->IsMap()) maps->Add(handle(Map::cast(object)));
   }
 }
 
 
 void Code::FindAllTypes(TypeHandleList* types) {
   ASSERT(is_inline_cache_stub());
   DisallowHeapAllocation no_allocation;
   int mask = RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT);
-  Isolate* isolate = GetIsolate();
   for (RelocIterator it(this, mask); !it.done(); it.next()) {
     RelocInfo* info = it.rinfo();
     Object* object = info->target_object();
     if (object->IsMap()) {
       Handle<Map> map(Map::cast(object));
-      types->Add(handle(IC::MapToType(map), isolate));
+      types->Add(IC::MapToType(map));
     }
   }
 }
 
 
 void Code::ReplaceFirstMap(Map* replace_with) {
   ReplaceNthObject(1, GetHeap()->meta_map(), replace_with);
 }
 
 
@@ skipping 6011 matching lines @@
   set_type_raw(type, ignored);
 }
 
 
 Handle<Type> PropertyCell::UpdatedType(Handle<PropertyCell> cell,
                                        Handle<Object> value) {
   Isolate* isolate = cell->GetIsolate();
   Handle<Type> old_type(cell->type(), isolate);
   // TODO(2803): Do not track ConsString as constant because they cannot be
   // embedded into code.
-  Handle<Type> new_type(value->IsConsString() || value->IsTheHole()
-                        ? Type::Any()
-                        : Type::Constant(value, isolate), isolate);
+  Handle<Type> new_type = value->IsConsString() || value->IsTheHole()
+      ? Type::Any(isolate) : Type::Constant(value, isolate);
 
   if (new_type->Is(old_type)) {
     return old_type;
   }
 
   cell->dependent_code()->DeoptimizeDependentCodeGroup(
       isolate, DependentCode::kPropertyCellChangedGroup);
 
   if (old_type->Is(Type::None()) || old_type->Is(Type::Undefined())) {
     return new_type;
   }
 
-  return handle(Type::Any(), isolate);
+  return Type::Any(isolate);
 }
 
 
 void PropertyCell::SetValueInferType(Handle<PropertyCell> cell,
                                      Handle<Object> value) {
   cell->set_value(*value);
   if (!Type::Any()->Is(cell->type())) {
     Handle<Type> new_type = UpdatedType(cell, value);
     cell->set_type(*new_type);
   }
@@ skipping 24 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal