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// Copyright 2017 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_LITERAL_OBJECTS_H_
#define V8_OBJECTS_LITERAL_OBJECTS_H_
#include "src/objects.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
// BoilerplateDescription is a list of properties consisting of name value
// pairs. In addition to the properties, it provides the projected number
// of properties in the backing store. This number includes properties with
// computed names that are not
// in the list.
class BoilerplateDescription : public FixedArray {
public:
Object* name(int index) const;
Object* value(int index) const;
// The number of boilerplate properties.
int size() const;
// Number of boilerplate properties and properties with computed names.
int backing_store_size() const;
void set_backing_store_size(Isolate* isolate, int backing_store_size);
DECL_CAST(BoilerplateDescription)
private:
bool has_number_of_properties() const;
};
// Pair of {ElementsKind} and an array of constant values for {ArrayLiteral}
// expressions. Used to communicate with the runtime for literal boilerplate
// creation within the {Runtime_CreateArrayLiteral} method.
class ConstantElementsPair : public Tuple2 {
public:
DECL_INT_ACCESSORS(elements_kind)
DECL_ACCESSORS(constant_values, FixedArrayBase)
inline bool is_empty() const;
DECL_CAST(ConstantElementsPair)
static const int kElementsKindOffset = kValue1Offset;
static const int kConstantValuesOffset = kValue2Offset;
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(ConstantElementsPair);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_LITERAL_OBJECTS_H_
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