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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_OBJECTS_TAGGED_VALUE_H_
#define V8_OBJECTS_TAGGED_VALUE_H_
#include "src/objects/objects.h"
#include "include/v8-internal.h"
#include "src/objects/tagged-impl.h"
namespace v8 {
namespace internal {
// Almost same as Object but this one deals with in-heap and potentially
// compressed representation of Objects and provide only limited functionality
// which doesn't require decompression.
class StrongTaggedValue
: public TaggedImpl<HeapObjectReferenceType::STRONG, Tagged_t> {
public:
constexpr StrongTaggedValue() : TaggedImpl() {}
explicit constexpr StrongTaggedValue(Tagged_t ptr) : TaggedImpl(ptr) {}
explicit StrongTaggedValue(Tagged<Object> o);
inline static Tagged<Object> ToObject(Isolate* isolate,
StrongTaggedValue object);
};
// Almost same as MaybeObject but this one deals with in-heap and potentially
// compressed representation of Objects and provide only limited functionality
// which doesn't require decompression.
class TaggedValue : public TaggedImpl<HeapObjectReferenceType::WEAK, Tagged_t> {
public:
constexpr TaggedValue() : TaggedImpl() {}
explicit constexpr TaggedValue(Tagged_t ptr) : TaggedImpl(ptr) {}
explicit TaggedValue(MaybeObject o);
inline static MaybeObject ToMaybeObject(Isolate* isolate, TaggedValue object);
};
} // namespace internal
} // namespace v8
#endif // V8_OBJECTS_TAGGED_VALUE_H_
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