Convert double interface into abstract class

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 760 matching lines @@
   RegisterClass(cls, name, core_lib);
   pending_classes.Add(cls, Heap::kOld);
   type = Type::NewNonParameterizedType(cls);
   object_store->set_number_type(type);
 
   cls = CreateAndRegisterInterface("int", script, core_lib);
   pending_classes.Add(cls, Heap::kOld);
   type = Type::NewNonParameterizedType(cls);
   object_store->set_int_interface(type);
 
-  cls = CreateAndRegisterInterface("double", script, core_lib);
+  name = Symbols::New("double");
+  cls = Class::New<Instance>(name, script, Scanner::kDummyTokenIndex);
+  RegisterClass(cls, name, core_lib);
   pending_classes.Add(cls, Heap::kOld);
   type = Type::NewNonParameterizedType(cls);
-  object_store->set_double_interface(type);
+  object_store->set_double_type(type);
 
   cls = CreateAndRegisterInterface("String", script, core_lib);
   pending_classes.Add(cls, Heap::kOld);
   type = Type::NewNonParameterizedType(cls);
   object_store->set_string_interface(type);
 
   cls = CreateAndRegisterInterface("List", script, core_lib);
   pending_classes.Add(cls, Heap::kOld);
   type = Type::NewNonParameterizedType(cls);
   object_store->set_list_interface(type);
 
   cls = CreateAndRegisterInterface("ByteArray", script, core_lib);
   pending_classes.Add(cls, Heap::kOld);
   type = Type::NewNonParameterizedType(cls);
   object_store->set_byte_array_interface(type);
 
   cls = object_store->bool_class();
   type = Type::NewNonParameterizedType(cls);
   object_store->set_bool_type(type);
 
   cls = object_store->smi_class();
   type = Type::NewNonParameterizedType(cls);
   object_store->set_smi_type(type);
 
-  cls = object_store->double_class();
-  type = Type::NewNonParameterizedType(cls);
-  object_store->set_double_type(type);
-
   cls = object_store->mint_class();
   type = Type::NewNonParameterizedType(cls);
   object_store->set_mint_type(type);
 
   // The classes 'Null' and 'void' are not registered in the class dictionary,
   // because their names are reserved keywords. Their names are not heap
   // allocated, because the classes reside in the VM isolate.
   // The corresponding types are stored in the object store.
   cls = null_class();
   type = Type::NewNonParameterizedType(cls);
@@ skipping 1735 matching lines @@
       (type_class() == Type::Handle(Type::BoolType()).type_class());
 }
 
 
 bool AbstractType::IsIntInterface() const {
   return HasResolvedTypeClass() &&
       (type_class() == Type::Handle(Type::IntInterface()).type_class());
 }
 
 
-bool AbstractType::IsDoubleInterface() const {
+bool AbstractType::IsDoubleType() const {
   return HasResolvedTypeClass() &&
-      (type_class() == Type::Handle(Type::DoubleInterface()).type_class());
+      (type_class() == Type::Handle(Type::Double()).type_class());
 }
 
 
 bool AbstractType::IsNumberType() const {
   return HasResolvedTypeClass() &&
       (type_class() == Type::Handle(Type::Number()).type_class());
 }
 
 
 bool AbstractType::IsStringInterface() const {
@@ skipping 118 matching lines @@
 RawType* Type::SmiType() {
   return Isolate::Current()->object_store()->smi_type();
 }
 
 
 RawType* Type::MintType() {
   return Isolate::Current()->object_store()->mint_type();
 }
 
 
-RawType* Type::DoubleInterface() {
-  return Isolate::Current()->object_store()->double_interface();
+RawType* Type::Double() {
+  return Isolate::Current()->object_store()->double_type();
 }
 
 
 RawType* Type::Number() {
   return Isolate::Current()->object_store()->number_type();
 }
 
 
 RawType* Type::StringInterface() {
   return Isolate::Current()->object_store()->string_interface();
@@ skipping 8462 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart