1/*
2 *  Copyright (C) 2011 Apple Inc. All rights reserved.
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Lesser General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 *  Lesser General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Lesser General Public
15 *  License along with this library; if not, write to the Free Software
16 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
17 *
18 */
19
20#ifndef WeakReferenceHarvester_h
21#define WeakReferenceHarvester_h
22
23#include "ListableHandler.h"
24
25namespace JSC {
26
27class MarkStack;
28class MarkStackSharedData;
29class SlotVisitor;
30
31class WeakReferenceHarvester : public ListableHandler<WeakReferenceHarvester> {
32public:
33    virtual void visitWeakReferences(SlotVisitor&) = 0;
34
35protected:
36    WeakReferenceHarvester()
37    {
38    }
39
40    virtual ~WeakReferenceHarvester() { }
41};
42
43} // namespace JSC
44
45#endif // WeakReferenceHarvester_h
46