Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/qml/jsruntime/qv4context_p.h |
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1 | /**************************************************************************** | - | ||||||||||||
2 | ** | - | ||||||||||||
3 | ** Copyright (C) 2016 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 QMLJS_ENVIRONMENT_H | - | ||||||||||||
40 | #define QMLJS_ENVIRONMENT_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 "qv4global_p.h" | - | ||||||||||||
54 | #include "qv4managed_p.h" | - | ||||||||||||
55 | - | |||||||||||||
56 | QT_BEGIN_NAMESPACE | - | ||||||||||||
57 | - | |||||||||||||
58 | namespace QV4 { | - | ||||||||||||
59 | - | |||||||||||||
60 | - | |||||||||||||
61 | namespace Heap { | - | ||||||||||||
62 | - | |||||||||||||
63 | #define ExecutionContextMembers(class, Member) \ | - | ||||||||||||
64 | Member(class, Pointer, ExecutionContext *, outer) \ | - | ||||||||||||
65 | Member(class, Pointer, Object *, activation) | - | ||||||||||||
66 | - | |||||||||||||
67 | DECLARE_HEAP_OBJECT(ExecutionContext, Base) { | - | ||||||||||||
68 | DECLARE_MARKOBJECTS(ExecutionContext); executed 89894 times by 27 tests: end of block Executed by:
executed 81038 times by 22 tests: o->outer.heapObject()->mark(stack); Executed by:
executed 89874 times by 27 tests: o->activation.heapObject()->mark(stack); Executed by:
| 20-89894 | ||||||||||||
69 | - | |||||||||||||
70 | enum ContextType { | - | ||||||||||||
71 | Type_GlobalContext = 0x1, | - | ||||||||||||
72 | Type_WithContext = 0x2, | - | ||||||||||||
73 | Type_QmlContext = 0x3, | - | ||||||||||||
74 | Type_BlockContext = 0x4, | - | ||||||||||||
75 | Type_CallContext = 0x5 | - | ||||||||||||
76 | }; | - | ||||||||||||
77 | - | |||||||||||||
78 | void init(ContextType t) | - | ||||||||||||
79 | { | - | ||||||||||||
80 | Base::init(); | - | ||||||||||||
81 | - | |||||||||||||
82 | type = t; | - | ||||||||||||
83 | } executed 6062128 times by 154 tests: end of block Executed by:
| 6062128 | ||||||||||||
84 | - | |||||||||||||
85 | const VTable *vtable() const { | - | ||||||||||||
86 | return internalClass->vtable; executed 1559567 times by 130 tests: return internalClass->vtable; Executed by:
| 1559567 | ||||||||||||
87 | } | - | ||||||||||||
88 | - | |||||||||||||
89 | quint32 type : 8; | - | ||||||||||||
90 | quint32 nArgs : 24; | - | ||||||||||||
91 | #if QT_POINTER_SIZE == 8 | - | ||||||||||||
92 | quint8 padding_[4]; | - | ||||||||||||
93 | #endif | - | ||||||||||||
94 | }; | - | ||||||||||||
95 | Q_STATIC_ASSERT(std::is_trivial< ExecutionContext >::value); | - | ||||||||||||
96 | Q_STATIC_ASSERT(sizeof(ExecutionContext) == sizeof(Base) + sizeof(ExecutionContextData) + QT_POINTER_SIZE); | - | ||||||||||||
97 | - | |||||||||||||
98 | Q_STATIC_ASSERT(std::is_standard_layout<ExecutionContextData>::value); | - | ||||||||||||
99 | Q_STATIC_ASSERT(offsetof(ExecutionContextData, outer) == 0); | - | ||||||||||||
100 | Q_STATIC_ASSERT(offsetof(ExecutionContextData, activation) == offsetof(ExecutionContextData, outer) + QT_POINTER_SIZE); | - | ||||||||||||
101 | - | |||||||||||||
102 | #define CallContextMembers(class, Member) \ | - | ||||||||||||
103 | Member(class, Pointer, FunctionObject *, function) \ | - | ||||||||||||
104 | Member(class, ValueArray, ValueArray, locals) | - | ||||||||||||
105 | - | |||||||||||||
106 | DECLARE_HEAP_OBJECT(CallContext, ExecutionContext) { | - | ||||||||||||
107 | DECLARE_MARKOBJECTS(CallContext); executed 20 times by 2 tests: end of block Executed by:
executed 4 times by 1 test: o->function.heapObject()->mark(stack); Executed by:
| 4-20 | ||||||||||||
108 | - | |||||||||||||
109 | void init() | - | ||||||||||||
110 | { | - | ||||||||||||
111 | ExecutionContext::init(Type_CallContext); | - | ||||||||||||
112 | } executed 4410185 times by 29 tests: end of block Executed by:
| 4410185 | ||||||||||||
113 | - | |||||||||||||
114 | int argc() const { | - | ||||||||||||
115 | return static_cast<int>(nArgs); executed 6590 times by 11 tests: return static_cast<int>(nArgs); Executed by:
| 6590 | ||||||||||||
116 | } | - | ||||||||||||
117 | const Value *args() const { | - | ||||||||||||
118 | return locals.data() + locals.size; executed 1963 times by 4 tests: return locals.data() + locals.size; Executed by:
| 1963 | ||||||||||||
119 | } | - | ||||||||||||
120 | void setArg(uint index, Value v); | - | ||||||||||||
121 | }; | - | ||||||||||||
122 | Q_STATIC_ASSERT(std::is_trivial< CallContext >::value); | - | ||||||||||||
123 | Q_STATIC_ASSERT(std::is_standard_layout<CallContextData>::value); | - | ||||||||||||
124 | Q_STATIC_ASSERT(offsetof(CallContextData, function) == 0); | - | ||||||||||||
125 | //### The following size check fails on Win8. With the ValueArray at the end of the | - | ||||||||||||
126 | // CallContextMembers, it doesn't look very useful. | - | ||||||||||||
127 | //#if defined(Q_PROCESSOR_ARM_32) && !defined(Q_OS_IOS) | - | ||||||||||||
128 | //Q_STATIC_ASSERT(sizeof(CallContext) == sizeof(ExecutionContext) + sizeof(CallContextData) + QT_POINTER_SIZE); | - | ||||||||||||
129 | //#else | - | ||||||||||||
130 | //Q_STATIC_ASSERT(sizeof(CallContext) == sizeof(ExecutionContext) + sizeof(CallContextData)); | - | ||||||||||||
131 | //#endif | - | ||||||||||||
132 | - | |||||||||||||
133 | - | |||||||||||||
134 | } | - | ||||||||||||
135 | - | |||||||||||||
136 | struct Q_QML_EXPORT ExecutionContext : public Managed | - | ||||||||||||
137 | { | - | ||||||||||||
138 | enum { | - | ||||||||||||
139 | IsExecutionContext = true | - | ||||||||||||
140 | }; | - | ||||||||||||
141 | - | |||||||||||||
142 | V4_MANAGED(ExecutionContext, Managed) never executed: end of block never executed: end of block executed 198971 times by 154 tests: return &static_vtbl; Executed by:
executed 146347902 times by 154 tests: return static_cast<QV4::Heap::ExecutionContext *>(m()); Executed by:
executed 146379841 times by 154 tests: return dptr; Executed by:
| 0-146379841 | ||||||||||||
143 | Q_MANAGED_TYPE(ExecutionContext) | - | ||||||||||||
144 | V4_INTERNALCLASS(ExecutionContext) executed 99511 times by 154 tests: return e->internalClasses(QV4::EngineBase::Class_ExecutionContext); Executed by:
| 99511 | ||||||||||||
145 | - | |||||||||||||
146 | static Heap::CallContext *newBlockContext(QV4::CppStackFrame *frame, int blockIndex); | - | ||||||||||||
147 | static Heap::CallContext *cloneBlockContext(Heap::CallContext *context); | - | ||||||||||||
148 | static Heap::CallContext *newCallContext(QV4::CppStackFrame *frame); | - | ||||||||||||
149 | Heap::ExecutionContext *newWithContext(Heap::Object *with); | - | ||||||||||||
150 | static Heap::ExecutionContext *newCatchContext(CppStackFrame *frame, int blockIndex, Heap::String *exceptionVarName); | - | ||||||||||||
151 | - | |||||||||||||
152 | void createMutableBinding(String *name, bool deletable); | - | ||||||||||||
153 | - | |||||||||||||
154 | enum Error { | - | ||||||||||||
155 | NoError, | - | ||||||||||||
156 | TypeError, | - | ||||||||||||
157 | RangeError | - | ||||||||||||
158 | }; | - | ||||||||||||
159 | - | |||||||||||||
160 | Error setProperty(String *name, const Value &value); | - | ||||||||||||
161 | - | |||||||||||||
162 | ReturnedValue getProperty(String *name); | - | ||||||||||||
163 | ReturnedValue getPropertyAndBase(String *name, Value *base); | - | ||||||||||||
164 | bool deleteProperty(String *name); | - | ||||||||||||
165 | - | |||||||||||||
166 | inline CallContext *asCallContext(); | - | ||||||||||||
167 | inline const CallContext *asCallContext() const; | - | ||||||||||||
168 | - | |||||||||||||
169 | protected: | - | ||||||||||||
170 | // vtable method required for compilation | - | ||||||||||||
171 | static bool virtualDeleteProperty(Managed *, PropertyKey) { | - | ||||||||||||
172 | Q_UNREACHABLE(); | - | ||||||||||||
173 | } never executed: end of block | 0 | ||||||||||||
174 | }; | - | ||||||||||||
175 | - | |||||||||||||
176 | struct Q_QML_EXPORT CallContext : public ExecutionContext | - | ||||||||||||
177 | { | - | ||||||||||||
178 | V4_MANAGED(CallContext, ExecutionContext) never executed: end of block never executed: end of block executed 4504952 times by 154 tests: return &static_vtbl; Executed by:
executed 13557 times by 12 tests: return static_cast<QV4::Heap::CallContext *>(m()); Executed by:
executed 13562 times by 12 tests: return dptr; Executed by:
| 0-4504952 | ||||||||||||
179 | V4_INTERNALCLASS(CallContext) never executed: return e->internalClasses(QV4::EngineBase::Class_CallContext); | 0 | ||||||||||||
180 | - | |||||||||||||
181 | int argc() const { | - | ||||||||||||
182 | return d()->argc(); executed 4496 times by 11 tests: return d()->argc(); Executed by:
| 4496 | ||||||||||||
183 | } | - | ||||||||||||
184 | const Value *args() const { | - | ||||||||||||
185 | return d()->args(); never executed: return d()->args(); | 0 | ||||||||||||
186 | } | - | ||||||||||||
187 | }; | - | ||||||||||||
188 | - | |||||||||||||
189 | inline CallContext *ExecutionContext::asCallContext() | - | ||||||||||||
190 | { | - | ||||||||||||
191 | return d()->type == Heap::ExecutionContext::Type_CallContext ? static_cast<CallContext *>(this) : nullptr; executed 232 times by 1 test: return d()->type == Heap::ExecutionContext::Type_CallContext ? static_cast<CallContext *>(this) : nullptr; Executed by:
| 232 | ||||||||||||
192 | } | - | ||||||||||||
193 | - | |||||||||||||
194 | inline const CallContext *ExecutionContext::asCallContext() const | - | ||||||||||||
195 | { | - | ||||||||||||
196 | return d()->type == Heap::ExecutionContext::Type_CallContext ? static_cast<const CallContext *>(this) : nullptr; never executed: return d()->type == Heap::ExecutionContext::Type_CallContext ? static_cast<const CallContext *>(this) : nullptr; | 0 | ||||||||||||
197 | } | - | ||||||||||||
198 | - | |||||||||||||
199 | } // namespace QV4 | - | ||||||||||||
200 | - | |||||||||||||
201 | QT_END_NAMESPACE | - | ||||||||||||
202 | - | |||||||||||||
203 | #endif | - | ||||||||||||
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