bytecode/ExitKind.cpp

   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 "ExitKind.h"
  28
  29 #include <wtf/Assertions.h>
  30 #include <wtf/PrintStream.h>
  31
  32 namespace JSC {
  33
  34 const char* exitKindToString(ExitKind kind)
  35 {
  36     switch (kind) {
  37     case ExitKindUnset:
  38         return "Unset";
  39     case BadType:
  40         return "BadType";
  41     case BadFunction:
  42         return "BadFunction";
  43     case BadExecutable:
  44         return "BadExecutable";
  45     case BadCache:
  46         return "BadCache";
  47     case BadCacheWatchpoint:
  48         return "BadCacheWatchpoint";
  49     case BadWeakConstantCache:
  50         return "BadWeakConstantCache";
  51     case BadWeakConstantCacheWatchpoint:
  52         return "BadWeakConstantCacheWatchpoint";
  53     case BadIndexingType:
  54         return "BadIndexingType";
  55     case Overflow:
  56         return "Overflow";
  57     case NegativeZero:
  58         return "NegativeZero";
  59     case Int52Overflow:
  60         return "Int52Overflow";
  61     case StoreToHole:
  62         return "StoreToHole";
  63     case LoadFromHole:
  64         return "LoadFromHole";
  65     case OutOfBounds:
  66         return "OutOfBounds";
  67     case InadequateCoverage:
  68         return "InadequateCoverage";
  69     case ArgumentsEscaped:
  70         return "ArgumentsEscaped";
  71     case NotStringObject:
  72         return "NotStringObject";
  73     case Uncountable:
  74         return "Uncountable";
  75     case UncountableWatchpoint:
  76         return "UncountableWatchpoint";
  77     case UncountableInvalidation:
  78         return "UncountableInvalidation";
  79     case WatchdogTimerFired:
  80         return "WatchdogTimerFired";
  81     case DebuggerEvent:
  82         return "DebuggerEvent";
  83     }
  84     RELEASE_ASSERT_NOT_REACHED();
  85     return "Unknown";
  86 }
  87
  88 bool exitKindIsCountable(ExitKind kind)
  89 {
  90     switch (kind) {
  91     case ExitKindUnset:
  92         RELEASE_ASSERT_NOT_REACHED();
  93     case BadType:
  94     case Uncountable:
  95     case UncountableWatchpoint:
  96     case LoadFromHole: // Already counted directly by the baseline JIT.
  97     case StoreToHole: // Already counted directly by the baseline JIT.
  98     case OutOfBounds: // Already counted directly by the baseline JIT.
  99         return false;
 100     default:
 101         return true;
 102     }
 103 }
 104
 105 } // namespace JSC
 106
 107 namespace WTF {
 108
 109 void printInternal(PrintStream& out, JSC::ExitKind kind)
 110 {
 111     out.print(exitKindToString(kind));
 112 }
 113
 114 } // namespace WTF
 115