YarrJIT.h

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YarrJIT.h

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/home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/3rdparty/masm/yarr/YarrJIT.h

Line	Source	Count
1	/*	-
2	* Copyright (C) 2009 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	#ifndef YarrJIT_h	-
27	#define YarrJIT_h	-
28		-
29	#if ENABLE(YARR_JIT)	-
30		-
31	#include "JSGlobalData.h"	-
32	#include "MacroAssemblerCodeRef.h"	-
33	#include "MatchResult.h"	-
34	#include "Yarr.h"	-
35	#include "YarrPattern.h"	-
36		-
37	#if CPU(X86) && !COMPILER(MSVC)	-
38	#define YARR_CALL __attribute__ ((regparm (3)))	-
39	#else	-
40	#define YARR_CALL	-
41	#endif	-
42		-
43	namespace JSC {	-
44		-
45	class JSGlobalData;	-
46	class ExecutablePool;	-
47		-
48	namespace Yarr {	-
49		-
50	class YarrCodeBlock {	-
51	#if CPU(X86_64)	-
52	typedef MatchResult (YarrJITCode8)(const LChar input, unsigned start, unsigned length, int* output) YARR_CALL;	-
53	typedef MatchResult (YarrJITCode16)(const UChar input, unsigned start, unsigned length, int* output) YARR_CALL;	-
54	typedef MatchResult (YarrJITCodeMatchOnly8)(const LChar input, unsigned start, unsigned length) YARR_CALL;	-
55	typedef MatchResult (YarrJITCodeMatchOnly16)(const UChar input, unsigned start, unsigned length) YARR_CALL;	-
56	#else	-
57	typedef EncodedMatchResult (YarrJITCode8)(const LChar input, unsigned start, unsigned length, int* output) YARR_CALL;	-
58	typedef EncodedMatchResult (YarrJITCode16)(const UChar input, unsigned start, unsigned length, int* output) YARR_CALL;	-
59	typedef EncodedMatchResult (YarrJITCodeMatchOnly8)(const LChar input, unsigned start, unsigned length) YARR_CALL;	-
60	typedef EncodedMatchResult (YarrJITCodeMatchOnly16)(const UChar input, unsigned start, unsigned length) YARR_CALL;	-
61	#endif	-
62		-
63	public:	-
64	YarrCodeBlock()	-
65	: m_needFallBack(false)	-
66	{	-
67	} executed 1148940 times by 153 tests: `end of block` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_ecmascripttests tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qjsonbinding tst_qjsvalue tst_qjsvalueiterator tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugclient tst_qqmldebugjs tst_qqmldebuglocal tst_qqmldebugservice tst_qqmlecmascript tst_qqmlenginecleanup ...	1148940
68		-
69	~YarrCodeBlock()	-
70	{	-
71	}	-
72		-
73	void setFallBack(bool fallback) { m_needFallBack = fallback; } executed 1151494 times by 153 tests: `end of block` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_ecmascripttests tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qjsonbinding tst_qjsvalue tst_qjsvalueiterator tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugclient tst_qqmldebugjs tst_qqmldebuglocal tst_qqmldebugservice tst_qqmlecmascript tst_qqmlenginecleanup ...	1151494
74	bool isFallBack() { return m_needFallBack; } executed 1162883 times by 153 tests: `return m_needFallBack;` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_ecmascripttests tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qjsonbinding tst_qjsvalue tst_qjsvalueiterator tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugclient tst_qqmldebugjs tst_qqmldebuglocal tst_qqmldebugservice tst_qqmlecmascript tst_qqmlenginecleanup ...	1162883
75		-
76	bool has8BitCode() { return m_ref8.size(); } never executed: `return m_ref8.size();`	0
77	bool has16BitCode() { return m_ref16.size(); } executed 1173862 times by 153 tests: `return m_ref16.size();` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_ecmascripttests tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qjsonbinding tst_qjsvalue tst_qjsvalueiterator tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugclient tst_qqmldebugjs tst_qqmldebuglocal tst_qqmldebugservice tst_qqmlecmascript tst_qqmlenginecleanup ...	1173862
78	void set8BitCode(MacroAssemblerCodeRef ref) { m_ref8 = ref; } never executed: `end of block`	0
79	void set16BitCode(MacroAssemblerCodeRef ref) { m_ref16 = ref; } executed 1151341 times by 153 tests: `end of block` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_ecmascripttests tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qjsonbinding tst_qjsvalue tst_qjsvalueiterator tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugclient tst_qqmldebugjs tst_qqmldebuglocal tst_qqmldebugservice tst_qqmlecmascript tst_qqmlenginecleanup ...	1151341
80		-
81	bool has8BitCodeMatchOnly() { return m_matchOnly8.size(); } never executed: `return m_matchOnly8.size();`	0
82	bool has16BitCodeMatchOnly() { return m_matchOnly16.size(); } never executed: `return m_matchOnly16.size();`	0
83	void set8BitCodeMatchOnly(MacroAssemblerCodeRef matchOnly) { m_matchOnly8 = matchOnly; } never executed: `end of block`	0
84	void set16BitCodeMatchOnly(MacroAssemblerCodeRef matchOnly) { m_matchOnly16 = matchOnly; } never executed: `end of block`	0
85		-
86	MatchResult execute(const LChar* input, unsigned start, unsigned length, int* output)	-
87	{	-
88	ASSERT(has8BitCode());	-
89	return MatchResult(reinterpret_cast<YarrJITCode8>(m_ref8.code().executableAddress())(input, start, length, output)); never executed: `return MatchResult(reinterpret_cast<YarrJITCode8>(m_ref8.code().executableAddress())(input, start, length, output));`	0
90	}	-
91		-
92	MatchResult execute(const UChar* input, unsigned start, unsigned length, int* output)	-
93	{	-
94	ASSERT(has16BitCode());	-
95	return MatchResult(reinterpret_cast<YarrJITCode16>(m_ref16.code().executableAddress())(input, start, length, output)); executed 11221 times by 3 tests: `return MatchResult(reinterpret_cast<YarrJITCode16>(m_ref16.code().executableAddress())(input, start, length, output));` Executed by: tst_ecmascripttests tst_qjsengine tst_qqmlxmlhttprequest	11221
96	}	-
97		-
98	MatchResult execute(const LChar* input, unsigned start, unsigned length)	-
99	{	-
100	ASSERT(has8BitCodeMatchOnly());	-
101	return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly8>(m_matchOnly8.code().executableAddress())(input, start, length)); never executed: `return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly8>(m_matchOnly8.code().executableAddress())(input, start, length));`	0
102	}	-
103		-
104	MatchResult execute(const UChar* input, unsigned start, unsigned length)	-
105	{	-
106	ASSERT(has16BitCodeMatchOnly());	-
107	return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly16>(m_matchOnly16.code().executableAddress())(input, start, length)); never executed: `return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly16>(m_matchOnly16.code().executableAddress())(input, start, length));`	0
108	}	-
109		-
110	#if ENABLE(REGEXP_TRACING)	-
111	void *getAddr() { return m_ref.code().executableAddress(); }	-
112	#endif	-
113		-
114	void clear()	-
115	{	-
116	m_ref8 = MacroAssemblerCodeRef();	-
117	m_ref16 = MacroAssemblerCodeRef();	-
118	m_matchOnly8 = MacroAssemblerCodeRef();	-
119	m_matchOnly16 = MacroAssemblerCodeRef();	-
120	m_needFallBack = false;	-
121	} never executed: `end of block`	0
122		-
123	private:	-
124	MacroAssemblerCodeRef m_ref8;	-
125	MacroAssemblerCodeRef m_ref16;	-
126	MacroAssemblerCodeRef m_matchOnly8;	-
127	MacroAssemblerCodeRef m_matchOnly16;	-
128	bool m_needFallBack;	-
129	};	-
130		-
131	enum YarrJITCompileMode {	-
132	MatchOnly,	-
133	IncludeSubpatterns	-
134	};	-
135	void jitCompile(YarrPattern&, YarrCharSize, JSGlobalData*, YarrCodeBlock& jitObject, YarrJITCompileMode = IncludeSubpatterns);	-
136		-
137	} } // namespace JSC::Yarr	-
138		-
139	#endif	-
140		-
141	#endif // YarrJIT_h	-

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* 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 YarrJIT_h

#define YarrJIT_h

#if ENABLE(YARR_JIT)

#include "JSGlobalData.h"

#include "MacroAssemblerCodeRef.h"

#include "MatchResult.h"

#include "Yarr.h"

#include "YarrPattern.h"

#if CPU(X86) && !COMPILER(MSVC)

#define YARR_CALL __attribute__ ((regparm (3)))

#else

#define YARR_CALL

#endif

namespace JSC {

class JSGlobalData;

class ExecutablePool;

namespace Yarr {

class YarrCodeBlock {

#if CPU(X86_64)

typedef MatchResult (*YarrJITCode8)(const LChar* input, unsigned start, unsigned length, int* output) YARR_CALL;

typedef MatchResult (*YarrJITCode16)(const UChar* input, unsigned start, unsigned length, int* output) YARR_CALL;

typedef MatchResult (*YarrJITCodeMatchOnly8)(const LChar* input, unsigned start, unsigned length) YARR_CALL;

typedef MatchResult (*YarrJITCodeMatchOnly16)(const UChar* input, unsigned start, unsigned length) YARR_CALL;

#else

typedef EncodedMatchResult (*YarrJITCode8)(const LChar* input, unsigned start, unsigned length, int* output) YARR_CALL;

typedef EncodedMatchResult (*YarrJITCode16)(const UChar* input, unsigned start, unsigned length, int* output) YARR_CALL;

typedef EncodedMatchResult (*YarrJITCodeMatchOnly8)(const LChar* input, unsigned start, unsigned length) YARR_CALL;

typedef EncodedMatchResult (*YarrJITCodeMatchOnly16)(const UChar* input, unsigned start, unsigned length) YARR_CALL;

#endif

public:

YarrCodeBlock()

: m_needFallBack(false)

{

}

executed 1148940 times by 153 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_ecmascripttests
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qjsonbinding
tst_qjsvalue
tst_qjsvalueiterator
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugclient
tst_qqmldebugjs
tst_qqmldebuglocal
tst_qqmldebugservice
tst_qqmlecmascript
tst_qqmlenginecleanup
...

1148940

~YarrCodeBlock()

{

}

void setFallBack(bool fallback) { m_needFallBack = fallback; }

executed 1151494 times by 153 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_ecmascripttests
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qjsonbinding
tst_qjsvalue
tst_qjsvalueiterator
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugclient
tst_qqmldebugjs
tst_qqmldebuglocal
tst_qqmldebugservice
tst_qqmlecmascript
tst_qqmlenginecleanup
...

1151494

bool isFallBack() { return m_needFallBack; }

executed 1162883 times by 153 tests: return m_needFallBack;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_ecmascripttests
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qjsonbinding
tst_qjsvalue
tst_qjsvalueiterator
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugclient
tst_qqmldebugjs
tst_qqmldebuglocal
tst_qqmldebugservice
tst_qqmlecmascript
tst_qqmlenginecleanup
...

1162883

bool has8BitCode() { return m_ref8.size(); }

never executed: return m_ref8.size();

bool has16BitCode() { return m_ref16.size(); }

executed 1173862 times by 153 tests: return m_ref16.size();

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_ecmascripttests
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qjsonbinding
tst_qjsvalue
tst_qjsvalueiterator
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugclient
tst_qqmldebugjs
tst_qqmldebuglocal
tst_qqmldebugservice
tst_qqmlecmascript
tst_qqmlenginecleanup
...

1173862

void set8BitCode(MacroAssemblerCodeRef ref) { m_ref8 = ref; }

never executed: end of block

void set16BitCode(MacroAssemblerCodeRef ref) { m_ref16 = ref; }

executed 1151341 times by 153 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_ecmascripttests
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qjsonbinding
tst_qjsvalue
tst_qjsvalueiterator
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugclient
tst_qqmldebugjs
tst_qqmldebuglocal
tst_qqmldebugservice
tst_qqmlecmascript
tst_qqmlenginecleanup
...

1151341

bool has8BitCodeMatchOnly() { return m_matchOnly8.size(); }

never executed: return m_matchOnly8.size();

bool has16BitCodeMatchOnly() { return m_matchOnly16.size(); }

never executed: return m_matchOnly16.size();

void set8BitCodeMatchOnly(MacroAssemblerCodeRef matchOnly) { m_matchOnly8 = matchOnly; }

never executed: end of block

void set16BitCodeMatchOnly(MacroAssemblerCodeRef matchOnly) { m_matchOnly16 = matchOnly; }

never executed: end of block

MatchResult execute(const LChar* input, unsigned start, unsigned length, int* output)

{

ASSERT(has8BitCode());

return MatchResult(reinterpret_cast<YarrJITCode8>(m_ref8.code().executableAddress())(input, start, length, output));

never executed: return MatchResult(reinterpret_cast<YarrJITCode8>(m_ref8.code().executableAddress())(input, start, length, output));

}

MatchResult execute(const UChar* input, unsigned start, unsigned length, int* output)

{

ASSERT(has16BitCode());

return MatchResult(reinterpret_cast<YarrJITCode16>(m_ref16.code().executableAddress())(input, start, length, output));

executed 11221 times by 3 tests: return MatchResult(reinterpret_cast<YarrJITCode16>(m_ref16.code().executableAddress())(input, start, length, output));

Executed by:

tst_ecmascripttests
tst_qjsengine
tst_qqmlxmlhttprequest

11221

}

MatchResult execute(const LChar* input, unsigned start, unsigned length)

{

100

ASSERT(has8BitCodeMatchOnly());

101

return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly8>(m_matchOnly8.code().executableAddress())(input, start, length));

never executed:

return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly8>(m_matchOnly8.code().executableAddress())(input, start, length));

102

}

103

104

MatchResult execute(const UChar* input, unsigned start, unsigned length)

105

{

106

ASSERT(has16BitCodeMatchOnly());

107

return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly16>(m_matchOnly16.code().executableAddress())(input, start, length));

never executed:

return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly16>(m_matchOnly16.code().executableAddress())(input, start, length));

108

}

109

110

#if ENABLE(REGEXP_TRACING)

111

void *getAddr() { return m_ref.code().executableAddress(); }

#endif

void clear()

{

m_ref8 = MacroAssemblerCodeRef();

117

m_ref16 = MacroAssemblerCodeRef();

118

m_matchOnly8 = MacroAssemblerCodeRef();

119

m_matchOnly16 = MacroAssemblerCodeRef();

120

m_needFallBack = false;

121

}

never executed: end of block

122

123

private:

124

MacroAssemblerCodeRef m_ref8;

125

MacroAssemblerCodeRef m_ref16;

126

MacroAssemblerCodeRef m_matchOnly8;

127

MacroAssemblerCodeRef m_matchOnly16;

bool m_needFallBack;

};

enum YarrJITCompileMode {

MatchOnly,

IncludeSubpatterns

};

void jitCompile(YarrPattern&, YarrCharSize, JSGlobalData*, YarrCodeBlock& jitObject, YarrJITCompileMode = IncludeSubpatterns);

136

137

} } // namespace JSC::Yarr

#endif

#endif // YarrJIT_h

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