1/*
2 * Copyright (C) 2014, 2016 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 "DFGFrozenValue.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "DFGLazyJSValue.h"
32#include "JSCInlines.h"
33
34namespace JSC { namespace DFG {
35
36FrozenValue* FrozenValue::emptySingleton()
37{
38 static FrozenValue empty;
39 return ∅
40}
41
42String FrozenValue::tryGetString(Graph& graph)
43{
44 return LazyJSValue(this).tryGetString(graph);
45}
46
47void FrozenValue::dumpInContext(PrintStream& out, DumpContext* context) const
48{
49 if (!!m_value && m_value.isCell())
50 out.print(m_strength, ":");
51 m_value.dumpInContextAssumingStructure(out, context, m_structure);
52}
53
54void FrozenValue::dump(PrintStream& out) const
55{
56 dumpInContext(out, 0);
57}
58
59} } // namespace JSC::DFG
60
61#endif // ENABLE(DFG_JIT)
62