Attachment #224977 for bug #129210

View Details Raw Unified Return to Bug 129210

| Differences between



#define PutByIdStatus_h

#include "ExitingJITType.h"
#include "PutByIdVariant.h"
#include "PropertyOffset.h"
#include "StructureStubInfo.h"
#include <wtf/text/StringImpl.h>


    enum State {
        // It's uncached so we have no information.
        NoInformation,
        // It's cached as a simple store of some kind.
        Simple,
        SimpleReplace,
        // It's cached as a transition from one structure that lacks the property to one that
        // includes the property, and a direct store to this new property.
        SimpleTransition,
        // It's known to often take slow path.
        TakesSlowPath
    };
    
    PutByIdStatus()
        : m_state(NoInformation)
        , m_oldStructure(0)
        , m_newStructure(0)
        , m_structureChain(0)
        , m_offset(invalidOffset)
    {
    }
    
    explicit PutByIdStatus(State state)
        : m_state(state)
        , m_oldStructure(0)
        , m_newStructure(0)
        , m_structureChain(0)
        , m_offset(invalidOffset)
    {
        ASSERT(m_state == NoInformation || m_state == TakesSlowPath);
    }
    
    PutByIdStatus(const PutByIdVariant& variant)
        : m_state(Simple)
        Structure* oldStructure,
        Structure* newStructure,
        PassRefPtr<IntendedStructureChain> structureChain,
        PropertyOffset offset)
        : m_state(state)
        , m_oldStructure(oldStructure)
        , m_newStructure(newStructure)
        , m_structureChain(structureChain)
        , m_offset(offset)
    {
        m_variants.append(variant);
        ASSERT((m_state != SimpleTransition) == !m_newStructure);
        ASSERT(!((m_state != SimpleTransition) && m_structureChain));
        ASSERT((m_state == NoInformation || m_state == TakesSlowPath) == (m_offset == invalidOffset));
    }
    
    static PutByIdStatus computeFor(CodeBlock*, StubInfoMap&, unsigned bytecodeIndex, StringImpl* uid);

    
    bool isSet() const { return m_state != NoInformation; }
    bool operator!() const { return m_state == NoInformation; }
    bool isSimple() const { return m_state == Simple; }
    bool isSimpleTransition() const { return m_state == SimpleTransition; }
    bool takesSlowPath() const { return m_state == TakesSlowPath; }
    
    size_t numVariants() const { return m_variants.size(); }
    const Vector<PutByIdVariant, 1>& variants() const { return m_variants; }
    const PutByIdVariant& at(size_t index) const { return m_variants[index]; }
    const PutByIdVariant& operator[](size_t index) const { return at(index); }
    
    void dump(PrintStream&) const;
    
private:
#if ENABLE(DFG_JIT)



/*
 * Copyright (C) 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 "PutByIdVariant.h"

namespace JSC {

void PutByIdVariant::dump(PrintStream& out) const
{
    dumpInContext(out, 0);
}

void PutByIdVariant::dumpInContext(PrintStream& out, DumpContext* context) const
{
    switch (kind()) {
    case NotSet:
        out.print("<empty>");
        return;
        
    case Replace:
        out.print("<Replace: ", inContext(structure(), context), ", ", offset(), ">");
        return;
        
    case Transition:
        out.print(
            "<Transition: ", inContext(oldStructure(), context), " -> ",
            inContext(newStructure(), context), ", ",
            pointerDumpInContext(structureChain(), context), ", ", offset(), ">");
        return;
    }
    
    RELEASE_ASSERT_NOT_REACHED();
}

} // namespace JSC




/*
 * Copyright (C) 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. 
 */

#ifndef PutByIdVariant_h
#define PutByIdVariant_h

#include "IntendedStructureChain.h"
#include "PropertyOffset.h"

namespace JSC {

class PutByIdVariant {
public:
    enum Kind {
        NotSet,
        Replace,
        Transition
    };
    
    PutByIdVariant()
        : m_kind(NotSet)
        , m_oldStructure(0)
        , m_newStructure(0)
        , m_offset(invalid)
    {
    }
    
    static PutByIdVariant replace(Structure* structure, PropertyOffset offset)
    {
        PutByIdVariant result;
        result.m_oldStructure = structure;
        result.m_offset = offset;
        return result;
    }
    
    static PutByIdVariant transition(
        Structure* oldStructure, Structure* newStructure,
        PassRefPtr<IntendedStructureChain> structureChain, PropertyOffset offset)
    {
        PutByIdVariant result;
        result.m_oldStructure = oldStructure;
        result.m_newStructure = newStructure;
        result.m_structureChain = structureChain;
        result.m_offset = offset;
        return result;
    }
    
    Kind kind() const { return m_kind; }
    
    bool isSet() const { return kind() != NotSet; }
    bool operator!() const { return !isSet(); }
    
    Structure* structure() const
    {
        ASSERT(kind() == Replace);
        return m_oldStructure;
    }
    
    Structure* oldStructure() const
    {
        ASSERT(kind() == Transition);
        return m_oldStructure;
    }
    
    Structure* newStructure() const
    {
        ASSERT(kind() == Transition);
        return m_newStructure;
    }
    
    IntendedStructureChain* structureChain() const
    {
        ASSERT(kind() == Transition);
        return m_structureChain.get();
    }
    
    PropertyOffset offset() const
    {
        ASSERT(isSet());
        return m_offset;
    }
    
    void dump(PrintStream&) const;
    void dumpInContext(PrintStream&, DumpContext*) const;

private:
    Kind m_kind;
    Structure* m_oldStructure;
    Structure* m_newStructure;
    RefPtr<IntendedStructureChain> m_structureChain;
    PropertyOffset m_offset;
};

} // namespace JSC

#endif // PutByIdVariant_h


Return to Bug 129210

Lines 357-362 Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj_sec1
- Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj +8 lines
357	0F9332A314CA7DD70085F3C6 /* PutByIdStatus.cpp in Sources / = {isa = PBXBuildFile; fileRef = 0F93329914CA7DC10085F3C6 / PutByIdStatus.cpp */; };	357	0F9332A314CA7DD70085F3C6 /* PutByIdStatus.cpp in Sources / = {isa = PBXBuildFile; fileRef = 0F93329914CA7DC10085F3C6 / PutByIdStatus.cpp */; };
358	0F9332A414CA7DD90085F3C6 /* PutByIdStatus.h in Headers / = {isa = PBXBuildFile; fileRef = 0F93329A14CA7DC10085F3C6 / PutByIdStatus.h */; settings = {ATTRIBUTES = (Private, ); }; };	358	0F9332A414CA7DD90085F3C6 /* PutByIdStatus.h in Headers / = {isa = PBXBuildFile; fileRef = 0F93329A14CA7DC10085F3C6 / PutByIdStatus.h */; settings = {ATTRIBUTES = (Private, ); }; };
359	0F9332A514CA7DDD0085F3C6 /* StructureSet.h in Headers / = {isa = PBXBuildFile; fileRef = 0F93329B14CA7DC10085F3C6 / StructureSet.h */; settings = {ATTRIBUTES = (Private, ); }; };	359	0F9332A514CA7DDD0085F3C6 /* StructureSet.h in Headers / = {isa = PBXBuildFile; fileRef = 0F93329B14CA7DC10085F3C6 / StructureSet.h */; settings = {ATTRIBUTES = (Private, ); }; };
		360	0F93B4A918B92C4D00178A3F /* PutByIdVariant.cpp in Sources / = {isa = PBXBuildFile; fileRef = 0F93B4A718B92C4D00178A3F / PutByIdVariant.cpp */; };
		361	0F93B4AA18B92C4D00178A3F /* PutByIdVariant.h in Headers / = {isa = PBXBuildFile; fileRef = 0F93B4A818B92C4D00178A3F / PutByIdVariant.h */; settings = {ATTRIBUTES = (Private, ); }; };
360	0F963B3813FC6FE90002D9B2 /* ValueProfile.h in Headers / = {isa = PBXBuildFile; fileRef = 0F963B3613FC6FDE0002D9B2 / ValueProfile.h */; settings = {ATTRIBUTES = (Private, ); }; };	362	0F963B3813FC6FE90002D9B2 /* ValueProfile.h in Headers / = {isa = PBXBuildFile; fileRef = 0F963B3613FC6FDE0002D9B2 / ValueProfile.h */; settings = {ATTRIBUTES = (Private, ); }; };
361	0F96EBB316676EF6008BADE3 /* CodeBlockWithJITType.h in Headers / = {isa = PBXBuildFile; fileRef = 0F96EBB116676EF4008BADE3 / CodeBlockWithJITType.h */; settings = {ATTRIBUTES = (Private, ); }; };	363	0F96EBB316676EF6008BADE3 /* CodeBlockWithJITType.h in Headers / = {isa = PBXBuildFile; fileRef = 0F96EBB116676EF4008BADE3 / CodeBlockWithJITType.h */; settings = {ATTRIBUTES = (Private, ); }; };
362	0F9749711687ADE400A4FF6A /* JSCellInlines.h in Headers / = {isa = PBXBuildFile; fileRef = 0F97496F1687ADE200A4FF6A / JSCellInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };	364	0F9749711687ADE400A4FF6A /* JSCellInlines.h in Headers / = {isa = PBXBuildFile; fileRef = 0F97496F1687ADE200A4FF6A / JSCellInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
Lines 1832-1837 Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj_sec2
1832	0F93329914CA7DC10085F3C6 /* PutByIdStatus.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PutByIdStatus.cpp; sourceTree = "<group>"; };	1834	0F93329914CA7DC10085F3C6 /* PutByIdStatus.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PutByIdStatus.cpp; sourceTree = "<group>"; };
1833	0F93329A14CA7DC10085F3C6 /* PutByIdStatus.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PutByIdStatus.h; sourceTree = "<group>"; };	1835	0F93329A14CA7DC10085F3C6 /* PutByIdStatus.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PutByIdStatus.h; sourceTree = "<group>"; };
1834	0F93329B14CA7DC10085F3C6 /* StructureSet.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StructureSet.h; sourceTree = "<group>"; };	1836	0F93329B14CA7DC10085F3C6 /* StructureSet.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StructureSet.h; sourceTree = "<group>"; };
		1837	0F93B4A718B92C4D00178A3F /* PutByIdVariant.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PutByIdVariant.cpp; sourceTree = "<group>"; };
		1838	0F93B4A818B92C4D00178A3F /* PutByIdVariant.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PutByIdVariant.h; sourceTree = "<group>"; };
1835	0F963B3613FC6FDE0002D9B2 /* ValueProfile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ValueProfile.h; sourceTree = "<group>"; };	1839	0F963B3613FC6FDE0002D9B2 /* ValueProfile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ValueProfile.h; sourceTree = "<group>"; };
1836	0F96EBB116676EF4008BADE3 /* CodeBlockWithJITType.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CodeBlockWithJITType.h; sourceTree = "<group>"; };	1840	0F96EBB116676EF4008BADE3 /* CodeBlockWithJITType.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CodeBlockWithJITType.h; sourceTree = "<group>"; };
1837	0F97496F1687ADE200A4FF6A /* JSCellInlines.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSCellInlines.h; sourceTree = "<group>"; };	1841	0F97496F1687ADE200A4FF6A /* JSCellInlines.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSCellInlines.h; sourceTree = "<group>"; };
Lines 4585-4590 Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj_sec3
4585	0FC97F32182020D7002C9B26 /* ProfiledCodeBlockJettisoningWatchpoint.h */,	4589	0FC97F32182020D7002C9B26 /* ProfiledCodeBlockJettisoningWatchpoint.h */,
4586	0F93329914CA7DC10085F3C6 /* PutByIdStatus.cpp */,	4590	0F93329914CA7DC10085F3C6 /* PutByIdStatus.cpp */,
4587	0F93329A14CA7DC10085F3C6 /* PutByIdStatus.h */,	4591	0F93329A14CA7DC10085F3C6 /* PutByIdStatus.h */,
		4592	0F93B4A718B92C4D00178A3F /* PutByIdVariant.cpp */,
		4593	0F93B4A818B92C4D00178A3F /* PutByIdVariant.h */,
4588	0F9FC8C114E1B5FB00D52AE0 /* PutKind.h */,	4594	0F9FC8C114E1B5FB00D52AE0 /* PutKind.h */,
4589	0FF60ABF16740F8100029779 /* ReduceWhitespace.cpp */,	4595	0FF60ABF16740F8100029779 /* ReduceWhitespace.cpp */,
4590	0FF60AC016740F8100029779 /* ReduceWhitespace.h */,	4596	0FF60AC016740F8100029779 /* ReduceWhitespace.h */,
Lines 5383-5388 Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj_sec4
5383	0F2FCCFC18A60070001A27F8 /* DFGSafepoint.h in Headers */,	5389	0F2FCCFC18A60070001A27F8 /* DFGSafepoint.h in Headers */,
5384	860161E50F3A83C100F84710 /* MacroAssemblerX86_64.h in Headers */,	5390	860161E50F3A83C100F84710 /* MacroAssemblerX86_64.h in Headers */,
5385	860161E60F3A83C100F84710 /* MacroAssemblerX86Common.h in Headers */,	5391	860161E60F3A83C100F84710 /* MacroAssemblerX86Common.h in Headers */,
		5392	0F93B4AA18B92C4D00178A3F /* PutByIdVariant.h in Headers */,
5386	A700873A17CBE85300C3E643 /* MapConstructor.h in Headers */,	5393	A700873A17CBE85300C3E643 /* MapConstructor.h in Headers */,
5387	A78507D717CBC6FD0011F6E7 /* MapData.h in Headers */,	5394	A78507D717CBC6FD0011F6E7 /* MapData.h in Headers */,
5388	A700873E17CBE8D300C3E643 /* MapPrototype.h in Headers */,	5395	A700873E17CBE8D300C3E643 /* MapPrototype.h in Headers */,
Lines 6176-6181 Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj_sec5
6176	0F9FB4F417FCB91700CB67F8 /* DFGStackLayoutPhase.cpp in Sources */,	6183	0F9FB4F417FCB91700CB67F8 /* DFGStackLayoutPhase.cpp in Sources */,
6177	0F6B1CBD1861246A00845D97 /* RegisterPreservationWrapperGenerator.cpp in Sources */,	6184	0F6B1CBD1861246A00845D97 /* RegisterPreservationWrapperGenerator.cpp in Sources */,
6178	0FC097A1146B28CA00CF2442 /* DFGThunks.cpp in Sources */,	6185	0FC097A1146B28CA00CF2442 /* DFGThunks.cpp in Sources */,
		6186	0F93B4A918B92C4D00178A3F /* PutByIdVariant.cpp in Sources */,
6179	0FD8A32717D51F5700CA2C40 /* DFGTierUpCheckInjectionPhase.cpp in Sources */,	6187	0FD8A32717D51F5700CA2C40 /* DFGTierUpCheckInjectionPhase.cpp in Sources */,
6180	0FD8A32917D51F5700CA2C40 /* DFGToFTLDeferredCompilationCallback.cpp in Sources */,	6188	0FD8A32917D51F5700CA2C40 /* DFGToFTLDeferredCompilationCallback.cpp in Sources */,
6181	0F485327187DFDEC0083B687 /* FTLAvailableRecovery.cpp in Sources */,	6189	0F485327187DFDEC0083B687 /* FTLAvailableRecovery.cpp in Sources */,

Lines 27-34 Source/JavaScriptCore/bytecode/PutByIdStatus.h_sec1
- Source/JavaScriptCore/bytecode/PutByIdStatus.h -37 / +13 lines
27	#define PutByIdStatus_h	27	#define PutByIdStatus_h
28		28
29	#include "ExitingJITType.h"	29	#include "ExitingJITType.h"
30	#include "IntendedStructureChain.h"	30	#include "PutByIdVariant.h"
31	#include "PropertyOffset.h"
32	#include "StructureStubInfo.h"	31	#include "StructureStubInfo.h"
33	#include <wtf/text/StringImpl.h>	32	#include <wtf/text/StringImpl.h>
34		33
Lines 45-95 public: Source/JavaScriptCore/bytecode/PutByIdStatus.h_sec2
45	enum State {	44	enum State {
46	// It's uncached so we have no information.	45	// It's uncached so we have no information.
47	NoInformation,	46	NoInformation,
48	// It's cached as a direct store into an object property for cases where the object	47	// It's cached as a simple store of some kind.
49	// already has the property.	48	Simple,
50	SimpleReplace,
51	// It's cached as a transition from one structure that lacks the property to one that
52	// includes the property, and a direct store to this new property.
53	SimpleTransition,
54	// It's known to often take slow path.	49	// It's known to often take slow path.
55	TakesSlowPath	50	TakesSlowPath
56	};	51	};
57		52
58	PutByIdStatus()	53	PutByIdStatus()
59	: m_state(NoInformation)	54	: m_state(NoInformation)
60	, m_oldStructure(0)
61	, m_newStructure(0)
62	, m_structureChain(0)
63	, m_offset(invalidOffset)
64	{	55	{
65	}	56	}
66		57
67	explicit PutByIdStatus(State state)	58	explicit PutByIdStatus(State state)
68	: m_state(state)	59	: m_state(state)
69	, m_oldStructure(0)
70	, m_newStructure(0)
71	, m_structureChain(0)
72	, m_offset(invalidOffset)
73	{	60	{
74	ASSERT(m_state == NoInformation \|\| m_state == TakesSlowPath);	61	ASSERT(m_state == NoInformation \|\| m_state == TakesSlowPath);
75	}	62	}
76		63
77	PutByIdStatus(	64	PutByIdStatus(const PutByIdVariant& variant)
78	State state,	65	: m_state(Simple)
79	Structure* oldStructure,
80	Structure* newStructure,
81	PassRefPtr<IntendedStructureChain> structureChain,
82	PropertyOffset offset)
83	: m_state(state)
84	, m_oldStructure(oldStructure)
85	, m_newStructure(newStructure)
86	, m_structureChain(structureChain)
87	, m_offset(offset)
88	{	66	{
89	ASSERT((m_state == NoInformation \|\| m_state == TakesSlowPath) == !m_oldStructure);	67	m_variants.append(variant);
90	ASSERT((m_state != SimpleTransition) == !m_newStructure);
91	ASSERT(!((m_state != SimpleTransition) && m_structureChain));
92	ASSERT((m_state == NoInformation \|\| m_state == TakesSlowPath) == (m_offset == invalidOffset));
93	}	68	}
94		69
95	static PutByIdStatus computeFor(CodeBlock, StubInfoMap&, unsigned bytecodeIndex, StringImpl uid);	70	static PutByIdStatus computeFor(CodeBlock, StubInfoMap&, unsigned bytecodeIndex, StringImpl uid);
Lines 101-114 public: Source/JavaScriptCore/bytecode/PutByIdStatus.h_sec3
101		76
102	bool isSet() const { return m_state != NoInformation; }	77	bool isSet() const { return m_state != NoInformation; }
103	bool operator!() const { return m_state == NoInformation; }	78	bool operator!() const { return m_state == NoInformation; }
104	bool isSimpleReplace() const { return m_state == SimpleReplace; }	79	bool isSimple() const { return m_state == Simple; }
105	bool isSimpleTransition() const { return m_state == SimpleTransition; }
106	bool takesSlowPath() const { return m_state == TakesSlowPath; }	80	bool takesSlowPath() const { return m_state == TakesSlowPath; }
107		81
108	Structure* oldStructure() const { return m_oldStructure; }	82	size_t numVariants() const { return m_variants.size(); }
109	Structure* newStructure() const { return m_newStructure; }	83	const Vector<PutByIdVariant, 1>& variants() const { return m_variants; }
110	IntendedStructureChain* structureChain() const { return m_structureChain.get(); }	84	const PutByIdVariant& at(size_t index) const { return m_variants[index]; }
111	PropertyOffset offset() const { return m_offset; }	85	const PutByIdVariant& operator[](size_t index) const { return at(index); }
		86
		87	void dump(PrintStream&) const;
112		88
113	private:	89	private:
114	#if ENABLE(DFG_JIT)	90	#if ENABLE(DFG_JIT)

Line 0 Source/JavaScriptCore/bytecode/PutByIdVariant.cpp_sec1
- Source/JavaScriptCore/bytecode/PutByIdVariant.cpp +59 lines
	1	/*
	2	* Copyright (C) 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 "PutByIdVariant.h"
	28
	29	namespace JSC {
	30
	31	void PutByIdVariant::dump(PrintStream& out) const
	32	{
	33	dumpInContext(out, 0);
	34	}
	35
	36	void PutByIdVariant::dumpInContext(PrintStream& out, DumpContext* context) const
	37	{
	38	switch (kind()) {
	39	case NotSet:
	40	out.print("<empty>");
	41	return;
	42
	43	case Replace:
	44	out.print("<Replace: ", inContext(structure(), context), ", ", offset(), ">");
	45	return;
	46
	47	case Transition:
	48	out.print(
	49	"<Transition: ", inContext(oldStructure(), context), " -> ",
	50	inContext(newStructure(), context), ", ",
	51	pointerDumpInContext(structureChain(), context), ", ", offset(), ">");
	52	return;
	53	}
	54
	55	RELEASE_ASSERT_NOT_REACHED();
	56	}
	57
	58	} // namespace JSC
	59