1/*
2 * Copyright (C) 2012, 2013, 2014 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 "DFGNodeFlags.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "JSCInlines.h"
32#include <wtf/CommaPrinter.h>
33#include <wtf/StringPrintStream.h>
34
35namespace JSC { namespace DFG {
36
37void dumpNodeFlags(PrintStream& actualOut, NodeFlags flags)
38{
39    StringPrintStream out;
40    CommaPrinter comma("|");
41
42    if (flags & NodeResultMask) {
43        switch (flags & NodeResultMask) {
44        case NodeResultJS:
45            out.print(comma, "JS");
46            break;
47        case NodeResultNumber:
48            out.print(comma, "Number");
49            break;
50        case NodeResultDouble:
51            out.print(comma, "Double");
52            break;
53        case NodeResultInt32:
54            out.print(comma, "Int32");
55            break;
56        case NodeResultInt52:
57            out.print(comma, "Int52");
58            break;
59        case NodeResultBoolean:
60            out.print(comma, "Boolean");
61            break;
62        case NodeResultStorage:
63            out.print(comma, "Storage");
64            break;
65        default:
66            RELEASE_ASSERT_NOT_REACHED();
67            break;
68        }
69    }
70
71    if (flags & NodeMustGenerate)
72        out.print(comma, "MustGen");
73
74    if (flags & NodeHasVarArgs)
75        out.print(comma, "VarArgs");
76
77    if (flags & NodeClobbersWorld)
78        out.print(comma, "Clobbers");
79
80    if (flags & NodeMightClobber)
81        out.print(comma, "MightClobber");
82
83    if (flags & NodeResultMask) {
84        if (!(flags & NodeBytecodeUsesAsNumber) && !(flags & NodeBytecodeNeedsNegZero))
85            out.print(comma, "PureInt");
86        else if (!(flags & NodeBytecodeUsesAsNumber))
87            out.print(comma, "PureInt(w/ neg zero)");
88        else if (!(flags & NodeBytecodeNeedsNegZero))
89            out.print(comma, "PureNum");
90        if (flags & NodeBytecodeUsesAsOther)
91            out.print(comma, "UseAsOther");
92    }
93
94    if (flags & NodeMayOverflowInBaseline)
95        out.print(comma, "MayOverflowInBaseline");
96
97    if (flags & NodeMayOverflowInDFG)
98        out.print(comma, "MayOverflowInDFG");
99
100    if (flags & NodeMayNegZeroInBaseline)
101        out.print(comma, "MayNegZeroInBaseline");
102
103    if (flags & NodeMayNegZeroInDFG)
104        out.print(comma, "MayNegZeroInDFG");
105
106    if (flags & NodeBytecodeUsesAsInt)
107        out.print(comma, "UseAsInt");
108
109    if (flags & NodeBytecodeUsesAsArrayIndex)
110        out.print(comma, "ReallyWantsInt");
111
112    if (!(flags & NodeDoesNotExit))
113        out.print(comma, "CanExit");
114
115    if (flags & NodeIsFlushed)
116        out.print(comma, "IsFlushed");
117
118    CString string = out.toCString();
119    if (!string.length())
120        actualOut.print("<empty>");
121    else
122        actualOut.print(string);
123}
124
125} } // namespace JSC::DFG
126
127#endif // ENABLE(DFG_JIT)
128
129