JavaScriptCore-1097.3.tar.gz

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

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+/*
+ *  Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef WeakReferenceHarvester_h
+#define WeakReferenceHarvester_h
+
+#include "ListableHandler.h"
+
+namespace JSC {
+
+class MarkStack;
+class MarkStackSharedData;
+class SlotVisitor;
+
+class WeakReferenceHarvester : public ListableHandler<WeakReferenceHarvester> {
+public:
+    virtual void visitWeakReferences(SlotVisitor&) = 0;
+    
+protected:
+    WeakReferenceHarvester()
+    {
+    }
+    
+    virtual ~WeakReferenceHarvester() { }
+};
+
+} // namespace JSC
+
+#endif // WeakReferenceHarvester_h