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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_DATA_HANDLER_H_

#define V8_OBJECTS_DATA_HANDLER_H_

#include "src/objects/struct.h"

// Has to be the last include (doesn't have include guards):

#include "src/objects/object-macros.h"

namespace v8 {

namespace internal {

#include "torque-generated/src/objects/data-handler-tq.inc"

// DataHandler is a base class for load and store handlers that can't be

// encoded in one Smi. Kind of a handler can be deduced from instance type.

class DataHandler : public TorqueGeneratedDataHandler<DataHandler, Struct> {

public:

// Returns number of optional data fields available in the object.

inline int data_field_count() const;

// [data1-3]: These are optional general-purpose fields whose content and

// presence depends on the handler kind.

DECL_ACCESSORS(data1, MaybeObject)

DECL_ACCESSORS(data2, MaybeObject)

DECL_ACCESSORS(data3, MaybeObject)

static const int kSizeWithData0 = kData1Offset;

static const int kSizeWithData1 = kData2Offset;

static const int kSizeWithData2 = kData3Offset;

static const int kSizeWithData3 = kHeaderSize;

DECL_VERIFIER(DataHandler)

class BodyDescriptor;

TQ_OBJECT_CONSTRUCTORS(DataHandler)

};

} // namespace internal

} // namespace v8

#include "src/objects/object-macros-undef.h"

#endif // V8_OBJECTS_DATA_HANDLER_H_