2 * Copyright (C) 2011 Apple Inc. All rights reserved.
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.
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.
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
20 #ifndef WeakReferenceHarvester_h
21 #define WeakReferenceHarvester_h
30 class WeakReferenceHarvester {
32 virtual void visitWeakReferences(SlotVisitor&) = 0;
35 WeakReferenceHarvester()
40 virtual ~WeakReferenceHarvester() { }
43 friend class MarkStack;
44 friend class SlotVisitor;
46 uintptr_t m_nextAndFlag;
51 #endif // WeakReferenceHarvester_h