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

/*
 * Copyright (C) 2012, 2013, 2014 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 BadCacheWatchpoint:
        return "BadCacheWatchpoint";
    case BadWeakConstantCache:
        return "BadWeakConstantCache";
    case BadWeakConstantCacheWatchpoint:
        return "BadWeakConstantCacheWatchpoint";
    case BadIndexingType:
        return "BadIndexingType";
    case Overflow:
        return "Overflow";
    case NegativeZero:
        return "NegativeZero";
    case Int52Overflow:
        return "Int52Overflow";
    case StoreToHole:
        return "StoreToHole";
    case LoadFromHole:
        return "LoadFromHole";
    case OutOfBounds:
        return "OutOfBounds";
    case InadequateCoverage:
        return "InadequateCoverage";
    case ArgumentsEscaped:
        return "ArgumentsEscaped";
    case NotStringObject:
        return "NotStringObject";
    case Uncountable:
        return "Uncountable";
    case UncountableWatchpoint:
        return "UncountableWatchpoint";
    case UncountableInvalidation:
        return "UncountableInvalidation";
    case WatchdogTimerFired:
        return "WatchdogTimerFired";
    case DebuggerEvent:
        return "DebuggerEvent";
    }
    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.
        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	1	/*
81345200	2	* Copyright (C) 2012, 2013, 2014 Apple Inc. All rights reserved.
93a37866 A	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";
81345200 A	47	case BadCacheWatchpoint:
81345200 A	48	return "BadCacheWatchpoint";
93a37866 A	49	case BadWeakConstantCache:
93a37866 A	50	return "BadWeakConstantCache";
81345200 A	51	case BadWeakConstantCacheWatchpoint:
81345200 A	52	return "BadWeakConstantCacheWatchpoint";
93a37866 A	53	case BadIndexingType:
	54	return "BadIndexingType";
	55	case Overflow:
	56	return "Overflow";
	57	case NegativeZero:
	58	return "NegativeZero";
81345200 A	59	case Int52Overflow:
81345200 A	60	return "Int52Overflow";
93a37866 A	61	case StoreToHole:
	62	return "StoreToHole";
	63	case LoadFromHole:
	64	return "LoadFromHole";
	65	case OutOfBounds:
	66	return "OutOfBounds";
93a37866 A	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";
81345200 A	77	case UncountableInvalidation:
	78	return "UncountableInvalidation";
	79	case WatchdogTimerFired:
	80	return "WatchdogTimerFired";
	81	case DebuggerEvent:
	82	return "DebuggerEvent";
93a37866	83	}
81345200 A	84	RELEASE_ASSERT_NOT_REACHED();
81345200 A	85	return "Unknown";
93a37866 A	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.
93a37866 A	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