[apple/javascriptcore.git] / bytecode / ExitKind.cpp

/*
 * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "ExitKind.h"

#include <wtf/Assertions.h>
#include <wtf/PrintStream.h>

namespace JSC {

const char* exitKindToString(ExitKind kind)
{
    switch (kind) {
    case ExitKindUnset:
        return "Unset";
    case BadType:
        return "BadType";
    case BadFunction:
        return "BadFunction";
    case BadExecutable:
        return "BadExecutable";
    case BadCache:
        return "BadCache";
    case BadWeakConstantCache:
        return "BadWeakConstantCache";
    case BadIndexingType:
        return "BadIndexingType";
    case Overflow:
        return "Overflow";
    case NegativeZero:
        return "NegativeZero";
    case StoreToHole:
        return "StoreToHole";
    case LoadFromHole:
        return "LoadFromHole";
    case OutOfBounds:
        return "OutOfBounds";
    case StoreToHoleOrOutOfBounds:
        return "StoreToHoleOrOutOfBounds";
    case InadequateCoverage:
        return "InadequateCoverage";
    case ArgumentsEscaped:
        return "ArgumentsEscaped";
    case NotStringObject:
        return "NotStringObject";
    case Uncountable:
        return "Uncountable";
    case UncountableWatchpoint:
        return "UncountableWatchpoint";
    default:
        RELEASE_ASSERT_NOT_REACHED();
        return "Unknown";
    }
}

bool exitKindIsCountable(ExitKind kind)
{
    switch (kind) {
    case ExitKindUnset:
        RELEASE_ASSERT_NOT_REACHED();
    case BadType:
    case Uncountable:
    case UncountableWatchpoint:
    case LoadFromHole: // Already counted directly by the baseline JIT.
    case StoreToHole: // Already counted directly by the baseline JIT.
    case OutOfBounds: // Already counted directly by the baseline JIT.
    case StoreToHoleOrOutOfBounds: // Already counted directly by the baseline JIT.
        return false;
    default:
        return true;
    }
}

} // namespace JSC

namespace WTF {

void printInternal(PrintStream& out, JSC::ExitKind kind)
{
    out.print(exitKindToString(kind));
}

} // namespace WTF
Commit	Line	Data
93a37866 A	1	/*
	2	* Copyright (C) 2012, 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 "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 BadWeakConstantCache:
	48	return "BadWeakConstantCache";
	49	case BadIndexingType:
	50	return "BadIndexingType";
	51	case Overflow:
	52	return "Overflow";
	53	case NegativeZero:
	54	return "NegativeZero";
	55	case StoreToHole:
	56	return "StoreToHole";
	57	case LoadFromHole:
	58	return "LoadFromHole";
	59	case OutOfBounds:
	60	return "OutOfBounds";
	61	case StoreToHoleOrOutOfBounds:
	62	return "StoreToHoleOrOutOfBounds";
	63	case InadequateCoverage:
	64	return "InadequateCoverage";
65	case ArgumentsEscaped:
66	return "ArgumentsEscaped";
67	case NotStringObject:
68	return "NotStringObject";
69	case Uncountable:
70	return "Uncountable";
71	case UncountableWatchpoint:
72	return "UncountableWatchpoint";
73	default:
74	RELEASE_ASSERT_NOT_REACHED();
75	return "Unknown";
76	}
77	}
78
79	bool exitKindIsCountable(ExitKind kind)
80	{
81	switch (kind) {
82	case ExitKindUnset:
83	RELEASE_ASSERT_NOT_REACHED();
84	case BadType:
85	case Uncountable:
86	case UncountableWatchpoint:
87	case LoadFromHole: // Already counted directly by the baseline JIT.
88	case StoreToHole: // Already counted directly by the baseline JIT.
89	case OutOfBounds: // Already counted directly by the baseline JIT.
90	case StoreToHoleOrOutOfBounds: // Already counted directly by the baseline JIT.
91	return false;
92	default:
93	return true;
94	}
95	}
96
97	} // namespace JSC
98
99	namespace WTF {
100
101	void printInternal(PrintStream& out, JSC::ExitKind kind)
102	{
103	out.print(exitKindToString(kind));
104	}
105
106	} // namespace WTF
107