d198717714
Minor improvements measured through by https://github.com/kpdecker/six-speed/blob/master/tests/object-assign/object-assign.es6. Mostly due to inlining of NowContains on the FieldType Review URL: https://codereview.chromium.org/1703513002 Cr-Commit-Position: refs/heads/master@{#34060}
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_FIELD_TYPE_H_
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#define V8_FIELD_TYPE_H_
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#include "src/handles.h"
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#include "src/objects.h"
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#include "src/ostreams.h"
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namespace v8 {
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namespace internal {
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class FieldType : public Object {
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public:
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static FieldType* None();
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static FieldType* Any();
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static Handle<FieldType> None(Isolate* isolate);
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static Handle<FieldType> Any(Isolate* isolate);
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static FieldType* Class(i::Map* map);
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static Handle<FieldType> Class(i::Handle<i::Map> map, Isolate* isolate);
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static FieldType* cast(Object* object);
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bool NowContains(Object* value) {
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if (this == Any()) return true;
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if (this == None()) return false;
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if (!value->IsHeapObject()) return false;
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return HeapObject::cast(value)->map() == Map::cast(this);
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}
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bool NowContains(Handle<Object> value) { return NowContains(*value); }
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bool IsClass();
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Handle<i::Map> AsClass();
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bool IsNone() { return this == None(); }
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bool IsAny() { return this == Any(); }
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bool NowStable();
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bool NowIs(FieldType* other);
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bool NowIs(Handle<FieldType> other);
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Type* Convert(Zone* zone);
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void PrintTo(std::ostream& os);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_FIELD_TYPE_H_
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