Source/JavaScriptCore/runtime/ObjectToStringAdaptiveStructureWatchpoint.h

/*
 * Copyright (C) 2019 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. AND ITS CONTRIBUTORS ``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 ITS 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 PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "ObjectPropertyCondition.h"
#include "PackedCellPtr.h"
#include "Watchpoint.h"

namespace JSC {

class StructureRareData;

class ObjectToStringAdaptiveStructureWatchpoint final : public Watchpoint {
public:
    ObjectToStringAdaptiveStructureWatchpoint(const ObjectPropertyCondition&, StructureRareData*);

    void install(VM&);

    const ObjectPropertyCondition& key() const { return m_key; }

    void fireInternal(VM&, const FireDetail&);
    
private:
    // Own destructor may not be called. Keep members trivially destructible.
    JSC_WATCHPOINT_FIELD(PackedCellPtr<StructureRareData>, m_structureRareData);
    JSC_WATCHPOINT_FIELD(ObjectPropertyCondition, m_key);
};

}