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qqmlobjectcreator_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 tools applications 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 QQMLOBJECTCREATOR_P_H-
40#define QQMLOBJECTCREATOR_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/qqmlimport_p.h>-
54#include <private/qqmltypenamecache_p.h>-
55#include <private/qv4compileddata_p.h>-
56#include <private/qqmltypecompiler_p.h>-
57#include <private/qfinitestack_p.h>-
58#include <private/qrecursionwatcher_p.h>-
59#include <private/qqmlprofiler_p.h>-
60-
61#include <qpointer.h>-
62-
63QT_BEGIN_NAMESPACE-
64-
65class QQmlAbstractBinding;-
66struct QQmlTypeCompiler;-
67class QQmlInstantiationInterrupt;-
68class QQmlIncubatorPrivate;-
69-
70struct QQmlObjectCreatorSharedState : public QSharedData-
71{-
72 QQmlContextData *rootContext;-
73 QQmlContextData *creationContext;-
74 QFiniteStack<QQmlAbstractBinding::Ptr> allCreatedBindings;-
75 QFiniteStack<QQmlParserStatus*> allParserStatusCallbacks;-
76 QFiniteStack<QPointer<QObject> > allCreatedObjects;-
77 QV4::Value *allJavaScriptObjects; // pointer to vector on JS stack to reference JS wrappers during creation phase.-
78 QQmlComponentAttached *componentAttached;-
79 QList<QQmlEnginePrivate::FinalizeCallback> finalizeCallbacks;-
80 QQmlVmeProfiler profiler;-
81 QRecursionNode recursionNode;-
82};-
83-
84class Q_QML_PRIVATE_EXPORT QQmlObjectCreator-
85{-
86 Q_DECLARE_TR_FUNCTIONS(QQmlObjectCreator)-
87public:-
88 QQmlObjectCreator(QQmlContextData *parentContext, const QQmlRefPointer<QV4::CompiledData::CompilationUnit> &compilationUnit, QQmlContextData *creationContext, QQmlIncubatorPrivate *incubator = nullptr);-
89 ~QQmlObjectCreator();-
90-
91 QObject *create(int subComponentIndex = -1, QObject *parent = nullptr, QQmlInstantiationInterrupt *interrupt = nullptr);-
92 bool populateDeferredProperties(QObject *instance, QQmlData::DeferredData *deferredData);-
93 bool populateDeferredBinding(const QQmlProperty &qmlProperty, QQmlData::DeferredData *deferredData, const QV4::CompiledData::Binding *binding);-
94 QQmlContextData *finalize(QQmlInstantiationInterrupt &interrupt);-
95 void clear();-
96-
97 QQmlComponentAttached **componentAttachment() const { return &sharedState->componentAttached; }
executed 4457 times by 59 tests: return &sharedState->componentAttached;
Executed by:
  • tst_bindingdependencyapi
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmllistmodel
  • tst_qqmllistreference
  • tst_qqmllocale
  • tst_qqmlmoduleplugin
  • tst_qqmlproperty
  • tst_qqmlpropertymap
  • tst_qqmlqt
  • tst_qqmlstatemachine
  • tst_qqmltypeloader
  • tst_qqmlvaluetypeproviders
  • ...
4457
98-
99 QList<QQmlEnginePrivate::FinalizeCallback> *finalizeCallbacks() const { return &sharedState->finalizeCallbacks; }
never executed: return &sharedState->finalizeCallbacks;
0
100-
101 QList<QQmlError> errors;-
102-
103 QQmlContextData *parentContextData() const { return parentContext.contextData(); }
executed 4577 times by 11 tests: return parentContext.contextData();
Executed by:
  • tst_qqmlcomponent
  • tst_qqmlincubator
  • tst_qqmlinstantiator
  • tst_qqmltypeloader
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickloader
  • tst_qquickmousearea
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4577
104 QFiniteStack<QPointer<QObject> > &allCreatedObjects() const { return sharedState->allCreatedObjects; }
executed 4579 times by 11 tests: return sharedState->allCreatedObjects;
Executed by:
  • tst_qqmlcomponent
  • tst_qqmlincubator
  • tst_qqmlinstantiator
  • tst_qqmltypeloader
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickloader
  • tst_qquickmousearea
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4579
105-
106private:-
107 QQmlObjectCreator(QQmlContextData *contextData, const QQmlRefPointer<QV4::CompiledData::CompilationUnit> &compilationUnit, QQmlObjectCreatorSharedState *inheritedSharedState);-
108-
109 void init(QQmlContextData *parentContext);-
110-
111 QObject *createInstance(int index, QObject *parent = nullptr, bool isContextObject = false);-
112-
113 bool populateInstance(int index, QObject *instance,-
114 QObject *bindingTarget, const QQmlPropertyData *valueTypeProperty);-
115-
116 void setupBindings(bool applyDeferredBindings = false);-
117 bool setPropertyBinding(const QQmlPropertyData *property, const QV4::CompiledData::Binding *binding);-
118 void setPropertyValue(const QQmlPropertyData *property, const QV4::CompiledData::Binding *binding);-
119 void setupFunctions();-
120-
121 QString stringAt(int idx) const { return qmlUnit->stringAt(idx); }
executed 124052 times by 106 tests: return qmlUnit->stringAt(idx);
Executed by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmllistmodel
  • tst_qqmllistreference
  • tst_qqmllocale
  • tst_qqmlmetaobject
  • tst_qqmlmoduleplugin
  • tst_qqmlproperty
  • tst_qqmlpropertymap
  • tst_qqmlqt
  • tst_qqmlstatemachine
  • ...
124052
122 void recordError(const QV4::CompiledData::Location &location, const QString &description);-
123-
124 void registerObjectWithContextById(const QV4::CompiledData::Object *object, QObject *instance) const;-
125-
126 inline QV4::QmlContext *currentQmlContext();-
127 Q_NEVER_INLINE void createQmlContext();-
128-
129 enum Phase {-
130 Startup,-
131 CreatingObjects,-
132 CreatingObjectsPhase2,-
133 ObjectsCreated,-
134 Finalizing,-
135 Done-
136 } phase;-
137-
138 QQmlEngine *engine;-
139 QV4::ExecutionEngine *v4;-
140 QQmlRefPointer<QV4::CompiledData::CompilationUnit> compilationUnit;-
141 const QV4::CompiledData::Unit *qmlUnit;-
142 QQmlGuardedContextData parentContext;-
143 QQmlContextData *context;-
144 const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypes;-
145 const QQmlPropertyCacheVector *propertyCaches;-
146 QExplicitlySharedDataPointer<QQmlObjectCreatorSharedState> sharedState;-
147 bool topLevelCreator;-
148 QQmlIncubatorPrivate *incubator;-
149-
150 QObject *_qobject;-
151 QObject *_scopeObject;-
152 QObject *_bindingTarget;-
153-
154 const QQmlPropertyData *_valueTypeProperty; // belongs to _qobjectForBindings's property cache-
155 int _compiledObjectIndex;-
156 const QV4::CompiledData::Object *_compiledObject;-
157 QQmlData *_ddata;-
158 QQmlRefPointer<QQmlPropertyCache> _propertyCache;-
159 QQmlVMEMetaObject *_vmeMetaObject;-
160 QQmlListProperty<void> _currentList;-
161 QV4::QmlContext *_qmlContext;-
162-
163 friend struct QQmlObjectCreatorRecursionWatcher;-
164-
165 typedef std::function<bool(QQmlObjectCreatorSharedState *sharedState)> PendingAliasBinding;-
166 std::vector<PendingAliasBinding> pendingAliasBindings;-
167};-
168-
169struct QQmlObjectCreatorRecursionWatcher-
170{-
171 QQmlObjectCreatorRecursionWatcher(QQmlObjectCreator *creator);-
172-
173 bool hasRecursed() const { return watcher.hasRecursed(); }
executed 1042801 times by 135 tests: return watcher.hasRecursed();
Executed by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlimport
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmlitemmodels
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmllistreference
  • tst_qqmllocale
  • ...
1042801
174-
175private:-
176 QExplicitlySharedDataPointer<QQmlObjectCreatorSharedState> sharedState;-
177 QRecursionWatcher<QQmlObjectCreatorSharedState, &QQmlObjectCreatorSharedState::recursionNode> watcher;-
178};-
179-
180QV4::QmlContext *QQmlObjectCreator::currentQmlContext()-
181{-
182 if (!_qmlContext->isManaged())
!_qmlContext->isManaged()Description
TRUEevaluated 427029 times by 128 tests
Evaluated by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmlitemmodels
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmllistreference
  • tst_qqmllocale
  • tst_qqmlmetaobject
  • ...
FALSEevaluated 190539 times by 85 tests
Evaluated by:
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmlitemmodels
  • tst_qqmllistmodel
  • tst_qqmllistreference
  • tst_qqmllocale
  • tst_qqmlmetatype
  • tst_qqmlnotifier
  • tst_qqmlprofilerservice
  • tst_qqmlproperty
  • tst_qqmlpropertymap
  • tst_qqmlqt
  • tst_qqmlsettings
  • ...
190539-427029
183 _qmlContext->setM(QV4::QmlContext::create(v4->rootContext(), context, _scopeObject));
executed 427029 times by 128 tests: _qmlContext->setM(QV4::QmlContext::create(v4->rootContext(), context, _scopeObject));
Executed by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmlitemmodels
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmllistreference
  • tst_qqmllocale
  • tst_qqmlmetaobject
  • ...
427029
184-
185 return _qmlContext;
executed 617568 times by 128 tests: return _qmlContext;
Executed by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • tst_qqmlitemmodels
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmllistreference
  • tst_qqmllocale
  • tst_qqmlmetaobject
  • ...
617568
186}-
187-
188QT_END_NAMESPACE-
189-
190#endif // QQMLOBJECTCREATOR_P_H-
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