JavaScriptCore-1097.3.3.tar.gz

[apple/javascriptcore.git] / heap / WeakHandleOwner.h

/*
 * Copyright (C) 2012 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
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 * 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
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 * 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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 */

#ifndef WeakHandleOwner_h
#define WeakHandleOwner_h

#include "Handle.h"

namespace JSC {

class SlotVisitor;

class JS_EXPORT_PRIVATE WeakHandleOwner {
public:
    virtual ~WeakHandleOwner();
    virtual bool isReachableFromOpaqueRoots(Handle<Unknown>, void* context, SlotVisitor&);
    virtual void finalize(Handle<Unknown>, void* context);
};

} // namespace JSC

#endif // WeakHandleOwner_h