Templatise type representation

src/type-info.cc

 // Copyright 2012 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 359 matching lines @@
 }
 
 
 void TypeFeedbackOracle::CompareType(TypeFeedbackId id,
                                      Handle<Type>* left_type,
                                      Handle<Type>* right_type,
                                      Handle<Type>* combined_type) {
   Handle<Object> info = GetInfo(id);
   if (!info->IsCode()) {
     // For some comparisons we don't have ICs, e.g. LiteralCompareTypeof.
-    *left_type = *right_type = *combined_type = handle(Type::None(), isolate_);
+    *left_type = *right_type = *combined_type = Type::None(isolate_);
     return;
   }
   Handle<Code> code = Handle<Code>::cast(info);
 
   Handle<Map> map;
   Map* raw_map = code->FindFirstMap();
   if (raw_map != NULL) {
     raw_map = raw_map->CurrentMapForDeprecated();
     if (raw_map != NULL && !CanRetainOtherContext(raw_map, *native_context_)) {
       map = handle(raw_map, isolate_);
@@ skipping 17 matching lines @@
                                     Handle<Type>* right,
                                     Handle<Type>* result,
                                     Maybe<int>* fixed_right_arg,
                                     Token::Value op) {
   Handle<Object> object = GetInfo(id);
   if (!object->IsCode()) {
     // For some binary ops we don't have ICs, e.g. Token::COMMA, but for the
     // operations covered by the BinaryOpIC we should always have them.
     ASSERT(op < BinaryOpIC::State::FIRST_TOKEN ||
            op > BinaryOpIC::State::LAST_TOKEN);
-    *left = *right = *result = handle(Type::None(), isolate_);
+    *left = *right = *result = Type::None(isolate_);
     *fixed_right_arg = Maybe<int>();
     return;
   }
   Handle<Code> code = Handle<Code>::cast(object);
   ASSERT_EQ(Code::BINARY_OP_IC, code->kind());
   BinaryOpIC::State state(code->extended_extra_ic_state());
   ASSERT_EQ(op, state.op());
 
   *left = state.GetLeftType(isolate());
   *right = state.GetRightType(isolate());
   *result = state.GetResultType(isolate());
   *fixed_right_arg = state.fixed_right_arg();
 }
 
 
 Handle<Type> TypeFeedbackOracle::ClauseType(TypeFeedbackId id) {
   Handle<Object> info = GetInfo(id);
-  Handle<Type> result(Type::None(), isolate_);
+  Handle<Type> result = Type::None(isolate_);
   if (info->IsCode() && Handle<Code>::cast(info)->is_compare_ic_stub()) {
     Handle<Code> code = Handle<Code>::cast(info);
     CompareIC::State state = ICCompareStub::CompareState(code->stub_info());
     result = CompareIC::StateToType(isolate_, state);
   }
   return result;
 }
 
 
 Handle<Type> TypeFeedbackOracle::CountType(TypeFeedbackId id) {
   Handle<Object> object = GetInfo(id);
-  if (!object->IsCode()) return handle(Type::None(), isolate_);
+  if (!object->IsCode()) return Type::None(isolate_);
   Handle<Code> code = Handle<Code>::cast(object);
   ASSERT_EQ(Code::BINARY_OP_IC, code->kind());
   BinaryOpIC::State state(code->extended_extra_ic_state());
   return state.GetLeftType(isolate());
 }
 
 
 void TypeFeedbackOracle::PropertyReceiverTypes(
     TypeFeedbackId id, Handle<String> name,
     SmallMapList* receiver_types, bool* is_prototype) {
@@ skipping 297 matching lines @@
   if (info.IsUninitialized()) return Representation::None();
   if (info.IsSmi()) return Representation::Smi();
   if (info.IsInteger32()) return Representation::Integer32();
   if (info.IsDouble()) return Representation::Double();
   if (info.IsNumber()) return Representation::Double();
   return Representation::Tagged();
 }
 
 
 } }  // namespace v8::internal