qv4enginebase

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qv4enginebase_p.h

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/home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/qml/jsruntime/qv4enginebase_p.h

Line	Source	Count
1	/****************************************************************************	-
2	**	-
3	** Copyright (C) 2017 The Qt Company Ltd.	-
4	** Contact: https://www.qt.io/licensing/	-
5	**	-
6	** This file is part of the QtQml module of the Qt Toolkit.	-
7	**	-
8	** $QT_BEGIN_LICENSE:LGPL$	-
9	** Commercial License Usage	-
10	** Licensees holding valid commercial Qt licenses may use this file in	-
11	** accordance with the commercial license agreement provided with the	-
12	** Software or, alternatively, in accordance with the terms contained in	-
13	** a written agreement between you and The Qt Company. For licensing terms	-
14	** and conditions see https://www.qt.io/terms-conditions. For further	-
15	** information use the contact form at https://www.qt.io/contact-us.	-
16	**	-
17	** GNU Lesser General Public License Usage	-
18	** Alternatively, this file may be used under the terms of the GNU Lesser	-
19	** General Public License version 3 as published by the Free Software	-
20	** Foundation and appearing in the file LICENSE.LGPL3 included in the	-
21	** packaging of this file. Please review the following information to	-
22	** ensure the GNU Lesser General Public License version 3 requirements	-
23	** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.	-
24	**	-
25	** GNU General Public License Usage	-
26	** Alternatively, this file may be used under the terms of the GNU	-
27	** General Public License version 2.0 or (at your option) the GNU General	-
28	** Public license version 3 or any later version approved by the KDE Free	-
29	** Qt Foundation. The licenses are as published by the Free Software	-
30	** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3	-
31	** included in the packaging of this file. Please review the following	-
32	** information to ensure the GNU General Public License requirements will	-
33	** be met: https://www.gnu.org/licenses/gpl-2.0.html and	-
34	** https://www.gnu.org/licenses/gpl-3.0.html.	-
35	**	-
36	** $QT_END_LICENSE$	-
37	**	-
38	****************************************************************************/	-
39	#ifndef QV4ENGINEBASE_P_H	-
40	#define QV4ENGINEBASE_P_H	-
41		-
42	//	-
43	// W A R N I N G	-
44	// -------------	-
45	//	-
46	// This file is not part of the Qt API. It exists purely as an	-
47	// implementation detail. This header file may change from version to	-
48	// version without notice, or even be removed.	-
49	//	-
50	// We mean it.	-
51	//	-
52		-
53	#include <private/qv4global_p.h>	-
54	#include <private/qv4runtimeapi_p.h>	-
55		-
56	QT_BEGIN_NAMESPACE	-
57		-
58	namespace QV4 {	-
59		-
60	struct CppStackFrame;	-
61		-
62	// Base class for the execution engine	-
63		-
64	#if defined(Q_CC_MSVC) \|\| defined(Q_CC_GNU)	-
65	#pragma pack(push, 1)	-
66	#endif	-
67	struct Q_QML_EXPORT EngineBase {	-
68		-
69	CppStackFrame *currentStackFrame = nullptr;	-
70		-
71	Value *jsStackTop = nullptr;	-
72	quint8 hasException = false;	-
73	quint8 writeBarrierActive = false;	-
74	quint16 unused = 0;	-
75	#if QT_POINTER_SIZE == 8	-
76	quint8 padding[4];	-
77	#endif	-
78	MemoryManager *memoryManager = nullptr;	-
79	Runtime runtime;	-
80		-
81	qint32 callDepth = 0;	-
82	Value *jsStackLimit = nullptr;	-
83	Value *jsStackBase = nullptr;	-
84		-
85	IdentifierTable *identifierTable = nullptr;	-
86	Object *globalObject = nullptr;	-
87		-
88	// Exception handling	-
89	Value *exceptionValue = nullptr;	-
90		-
91	enum InternalClassType {	-
92	Class_Empty,	-
93	Class_String,	-
94	Class_MemberData,	-
95	Class_SimpleArrayData,	-
96	Class_SparseArrayData,	-
97	Class_ExecutionContext,	-
98	Class_CallContext,	-
99	Class_QmlContext,	-
100	Class_Object,	-
101	Class_ArrayObject,	-
102	Class_FunctionObject,	-
103	Class_GeneratorFunction,	-
104	Class_GeneratorObject,	-
105	Class_StringObject,	-
106	Class_SymbolObject,	-
107	Class_ScriptFunction,	-
108	Class_ConstructorFunction,	-
109	Class_MemberFunction,	-
110	Class_MemberGeneratorFunction,	-
111	Class_ObjectProto,	-
112	Class_RegExp,	-
113	Class_RegExpObject,	-
114	Class_RegExpExecArray,	-
115	Class_ArgumentsObject,	-
116	Class_StrictArgumentsObject,	-
117	Class_ErrorObject,	-
118	Class_ErrorObjectWithMessage,	-
119	Class_ErrorProto,	-
120	Class_QmlContextWrapper,	-
121	Class_ProxyObject,	-
122	Class_Symbol,	-
123	NClasses	-
124	};	-
125	Heap::InternalClass *classes[NClasses];	-
126	Heap::InternalClass *internalClasses(InternalClassType icType) { return classes[icType]; } executed 317915048 times by 154 tests: `return classes[icType];` 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 ...	317915048
127	};	-
128	#if defined(Q_CC_MSVC) \|\| defined(Q_CC_GNU)	-
129	#pragma pack(pop)	-
130	#endif	-
131		-
132	Q_STATIC_ASSERT(std::is_standard_layout<EngineBase>::value);	-
133	Q_STATIC_ASSERT(offsetof(EngineBase, currentStackFrame) == 0);	-
134	Q_STATIC_ASSERT(offsetof(EngineBase, jsStackTop) == offsetof(EngineBase, currentStackFrame) + QT_POINTER_SIZE);	-
135	Q_STATIC_ASSERT(offsetof(EngineBase, hasException) == offsetof(EngineBase, jsStackTop) + QT_POINTER_SIZE);	-
136	Q_STATIC_ASSERT(offsetof(EngineBase, memoryManager) == offsetof(EngineBase, hasException) + QT_POINTER_SIZE);	-
137	Q_STATIC_ASSERT(offsetof(EngineBase, runtime) == offsetof(EngineBase, memoryManager) + QT_POINTER_SIZE);	-
138		-
139	}	-
140		-
141	QT_END_NAMESPACE	-
142		-
143	#endif	-

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/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the QtQml module of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** Commercial License Usage

** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and The Qt Company. For licensing terms

** and conditions see https://www.qt.io/terms-conditions. For further

** information use the contact form at https://www.qt.io/contact-us.

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 3 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL3 included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

** Public license version 3 or any later version approved by the KDE Free

** Qt Foundation. The licenses are as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-2.0.html and

** https://www.gnu.org/licenses/gpl-3.0.html.

** $QT_END_LICENSE$

****************************************************************************/

#ifndef QV4ENGINEBASE_P_H

#define QV4ENGINEBASE_P_H

// W A R N I N G

// -------------

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

// We mean it.

#include <private/qv4global_p.h>

#include <private/qv4runtimeapi_p.h>

QT_BEGIN_NAMESPACE

namespace QV4 {

struct CppStackFrame;

// Base class for the execution engine

#if defined(Q_CC_MSVC) || defined(Q_CC_GNU)

#pragma pack(push, 1)

#endif

struct Q_QML_EXPORT EngineBase {

CppStackFrame *currentStackFrame = nullptr;

Value *jsStackTop = nullptr;

quint8 hasException = false;

quint8 writeBarrierActive = false;

quint16 unused = 0;

#if QT_POINTER_SIZE == 8

quint8 padding[4];

#endif

MemoryManager *memoryManager = nullptr;

Runtime runtime;

qint32 callDepth = 0;

Value *jsStackLimit = nullptr;

Value *jsStackBase = nullptr;

IdentifierTable *identifierTable = nullptr;

Object *globalObject = nullptr;

// Exception handling

Value *exceptionValue = nullptr;

enum InternalClassType {

Class_Empty,

Class_String,

Class_MemberData,

Class_SimpleArrayData,

Class_SparseArrayData,

Class_ExecutionContext,

Class_CallContext,

Class_QmlContext,

100

Class_Object,

101

Class_ArrayObject,

102

Class_FunctionObject,

103

Class_GeneratorFunction,

104

Class_GeneratorObject,

105

Class_StringObject,

106

Class_SymbolObject,

107

Class_ScriptFunction,

108

Class_ConstructorFunction,

109

Class_MemberFunction,

110

Class_MemberGeneratorFunction,

Class_ObjectProto,

Class_RegExp,

Class_RegExpObject,

Class_RegExpExecArray,

115

Class_ArgumentsObject,

116

Class_StrictArgumentsObject,

117

Class_ErrorObject,

118

Class_ErrorObjectWithMessage,

119

Class_ErrorProto,

120

Class_QmlContextWrapper,

Class_ProxyObject,

Class_Symbol,

NClasses

};

Heap::InternalClass *classes[NClasses];

126

Heap::InternalClass *internalClasses(InternalClassType icType) { return classes[icType]; }

executed 317915048 times by 154 tests: return classes[icType];

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
...

317915048

127

};

128

#if defined(Q_CC_MSVC) || defined(Q_CC_GNU)

#pragma pack(pop)

#endif

Q_STATIC_ASSERT(std::is_standard_layout<EngineBase>::value);

133

Q_STATIC_ASSERT(offsetof(EngineBase, currentStackFrame) == 0);

134

Q_STATIC_ASSERT(offsetof(EngineBase, jsStackTop) == offsetof(EngineBase, currentStackFrame) + QT_POINTER_SIZE);

135

Q_STATIC_ASSERT(offsetof(EngineBase, hasException) == offsetof(EngineBase, jsStackTop) + QT_POINTER_SIZE);

136

Q_STATIC_ASSERT(offsetof(EngineBase, memoryManager) == offsetof(EngineBase, hasException) + QT_POINTER_SIZE);

137

Q_STATIC_ASSERT(offsetof(EngineBase, runtime) == offsetof(EngineBase, memoryManager) + QT_POINTER_SIZE);

}

QT_END_NAMESPACE

#endif

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