IntrinsicGetterAccessCase.h   [plain text]

/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(JIT)

#include "AccessCase.h"

namespace JSC {

class IntrinsicGetterAccessCase : public AccessCase {
public:
    typedef AccessCase Base;
    friend class AccessCase;

    JSFunction* intrinsicFunction() const { return m_intrinsicFunction.get(); }
    Intrinsic intrinsic() const { return m_intrinsicFunction->intrinsic(); }

    static bool canEmitIntrinsicGetter(JSFunction*, Structure*);
    void emitIntrinsicGetter(AccessGenerationState&);

    static std::unique_ptr<AccessCase> create(VM&, JSCell*, PropertyOffset, Structure*, const ObjectPropertyConditionSet&, JSFunction* intrinsicFunction, std::unique_ptr<PolyProtoAccessChain>);

    std::unique_ptr<AccessCase> clone() const override;

    ~IntrinsicGetterAccessCase();

private:
    IntrinsicGetterAccessCase(VM&, JSCell*, PropertyOffset, Structure*, const ObjectPropertyConditionSet&, JSFunction* intrinsicFunction, std::unique_ptr<PolyProtoAccessChain>);

    WriteBarrier<JSFunction> m_intrinsicFunction;
};

} // namespace JSC

#endif // ENABLE(JIT)