1/*
2 * Copyright (C) 2008, 2013 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JavaScriptCallFrame.h"
28
29#if ENABLE(INSPECTOR)
30
31using namespace JSC;
32
33namespace Inspector {
34
35JavaScriptCallFrame::JavaScriptCallFrame(PassRefPtr<DebuggerCallFrame> debuggerCallFrame)
36    : m_debuggerCallFrame(debuggerCallFrame)
37{
38}
39
40JavaScriptCallFrame* JavaScriptCallFrame::caller()
41{
42    if (m_caller)
43        return m_caller.get();
44
45    RefPtr<DebuggerCallFrame> debuggerCallerFrame = m_debuggerCallFrame->callerFrame();
46    if (!debuggerCallerFrame)
47        return nullptr;
48
49    m_caller = create(debuggerCallerFrame);
50    return m_caller.get();
51}
52
53} // namespace Inspector
54
55#endif // ENABLE(INSPECTOR)
56