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// Copyright 2014 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_COMPILER_ACCESS_BUILDER_H_
#define V8_COMPILER_ACCESS_BUILDER_H_
#include "src/compiler/simplified-operator.h"
namespace v8 {
namespace internal {
namespace compiler {
// This access builder provides a set of static methods constructing commonly
// used FieldAccess and ElementAccess descriptors. These descriptors server as
// parameters to simplified load/store operators.
class AccessBuilder FINAL : public AllStatic {
public:
// Provides access to HeapObject::map() field.
static FieldAccess ForMap();
// Provides access to JSObject::properties() field.
static FieldAccess ForJSObjectProperties();
// Provides access to JSObject::elements() field.
static FieldAccess ForJSObjectElements();
// Provides access to JSFunction::context() field.
static FieldAccess ForJSFunctionContext();
// Provides access to JSArrayBuffer::backing_store() field.
static FieldAccess ForJSArrayBufferBackingStore();
// Provides access to ExternalArray::external_pointer() field.
static FieldAccess ForExternalArrayPointer();
// Provides access to Map::instance_type() field.
static FieldAccess ForMapInstanceType();
// Provides access to String::length() field.
static FieldAccess ForStringLength();
// Provides access to JSValue::value() field.
static FieldAccess ForValue();
// Provides access Context slots.
static FieldAccess ForContextSlot(size_t index);
// Provides access to FixedArray elements.
static ElementAccess ForFixedArrayElement();
// Provides access to Fixed{type}TypedArray and External{type}Array elements.
static ElementAccess ForTypedArrayElement(ExternalArrayType type,
bool is_external);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(AccessBuilder);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_ACCESS_BUILDER_H_
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