1/*
2 * Copyright (C) 2013-2015 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 "DFGCommon.h"
28
29#include "DFGNode.h"
30#include "JSCInlines.h"
31#include <wtf/PrintStream.h>
32
33#if ENABLE(DFG_JIT)
34
35namespace JSC { namespace DFG {
36
37static Lock crashLock;
38
39void startCrashing()
40{
41 crashLock.lock();
42}
43
44bool isCrashing()
45{
46 return crashLock.isLocked();
47}
48
49bool stringLessThan(StringImpl& a, StringImpl& b)
50{
51 unsigned minLength = std::min(a.length(), b.length());
52 for (unsigned i = 0; i < minLength; ++i) {
53 if (a[i] == b[i])
54 continue;
55 return a[i] < b[i];
56 }
57 return a.length() < b.length();
58}
59
60} } // namespace JSC::DFG
61
62namespace WTF {
63
64using namespace JSC::DFG;
65
66void printInternal(PrintStream& out, OptimizationFixpointState state)
67{
68 switch (state) {
69 case BeforeFixpoint:
70 out.print("BeforeFixpoint");
71 return;
72 case FixpointNotConverged:
73 out.print("FixpointNotConverged");
74 return;
75 case FixpointConverged:
76 out.print("FixpointConverged");
77 return;
78 }
79 RELEASE_ASSERT_NOT_REACHED();
80}
81
82void printInternal(PrintStream& out, GraphForm form)
83{
84 switch (form) {
85 case LoadStore:
86 out.print("LoadStore");
87 return;
88 case ThreadedCPS:
89 out.print("ThreadedCPS");
90 return;
91 case SSA:
92 out.print("SSA");
93 return;
94 }
95 RELEASE_ASSERT_NOT_REACHED();
96}
97
98void printInternal(PrintStream& out, UnificationState state)
99{
100 switch (state) {
101 case LocallyUnified:
102 out.print("LocallyUnified");
103 return;
104 case GloballyUnified:
105 out.print("GloballyUnified");
106 return;
107 }
108 RELEASE_ASSERT_NOT_REACHED();
109}
110
111void printInternal(PrintStream& out, RefCountState state)
112{
113 switch (state) {
114 case EverythingIsLive:
115 out.print("EverythingIsLive");
116 return;
117 case ExactRefCount:
118 out.print("ExactRefCount");
119 return;
120 }
121 RELEASE_ASSERT_NOT_REACHED();
122}
123
124void printInternal(PrintStream& out, ProofStatus status)
125{
126 switch (status) {
127 case IsProved:
128 out.print("IsProved");
129 return;
130 case NeedsCheck:
131 out.print("NeedsCheck");
132 return;
133 }
134 RELEASE_ASSERT_NOT_REACHED();
135}
136
137} // namespace WTF
138
139#endif // ENABLE(DFG_JIT)
140
141namespace WTF {
142
143using namespace JSC::DFG;
144
145void printInternal(PrintStream& out, CapabilityLevel capabilityLevel)
146{
147 switch (capabilityLevel) {
148 case CannotCompile:
149 out.print("CannotCompile");
150 return;
151 case CanCompile:
152 out.print("CanCompile");
153 return;
154 case CanCompileAndInline:
155 out.print("CanCompileAndInline");
156 return;
157 case CapabilityLevelNotSet:
158 out.print("CapabilityLevelNotSet");
159 return;
160 }
161 RELEASE_ASSERT_NOT_REACHED();
162}
163
164} // namespace WTF
165
166