--- /dev/null
+/*
+ * Copyright (C) 2013 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. ``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
+ * 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 CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef InlineCallFrameSet_h
+#define InlineCallFrameSet_h
+
+#include "CodeOrigin.h"
+#include <wtf/Bag.h>
+#include <wtf/RefCounted.h>
+
+namespace JSC {
+
+class InlineCallFrameSet : public RefCounted<InlineCallFrameSet> {
+public:
+ InlineCallFrameSet();
+ ~InlineCallFrameSet();
+
+ bool isEmpty() const { return m_frames.isEmpty(); }
+
+ InlineCallFrame* add();
+
+ typedef Bag<InlineCallFrame>::iterator iterator;
+ iterator begin() { return m_frames.begin(); }
+ iterator end() { return m_frames.end(); }
+
+ void visitAggregate(SlotVisitor&);
+
+private:
+ Bag<InlineCallFrame> m_frames;
+};
+
+} // namespace JSC
+
+#endif // InlineCallFrameSet_h
+