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qqmltypecompiler_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 QQMLTYPECOMPILER_P_H	-
40	#define QQMLTYPECOMPILER_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 <qglobal.h>	-
54	#include <qqmlerror.h>	-
55	#include <qhash.h>	-
56	#include <private/qqmltypeloader_p.h>	-
57	#include <private/qqmlirbuilder_p.h>	-
58	#include <private/qqmlpropertycachecreator_p.h>	-
59		-
60	QT_BEGIN_NAMESPACE	-
61		-
62	class QQmlEnginePrivate;	-
63	class QQmlError;	-
64	class QQmlTypeData;	-
65	class QQmlImports;	-
66		-
67	namespace QmlIR {	-
68	struct Document;	-
69	}	-
70		-
71	namespace QV4 {	-
72	namespace CompiledData {	-
73	struct QmlUnit;	-
74	struct Location;	-
75	}	-
76	}	-
77		-
78	struct QQmlTypeCompiler	-
79	{	-
80	Q_DECLARE_TR_FUNCTIONS(QQmlTypeCompiler)	-
81	public:	-
82	QQmlTypeCompiler(QQmlEnginePrivate engine, QQmlTypeData typeData, QmlIR::Document *document, const QQmlRefPointer<QQmlTypeNameCache> &typeNameCache, const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypeCache,	-
83	const QV4::CompiledData::DependentTypesHasher &dependencyHasher);	-
84		-
85	// --- interface used by QQmlPropertyCacheCreator	-
86	typedef QmlIR::Object CompiledObject;	-
87	const QmlIR::Object *objectAt(int index) const { return document->objects.at(index); } executed 71753 times by 141 tests: `return document->objects.at(index);` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator ...	71753
88	int objectCount() const { return document->objects.count(); } executed 48461 times by 141 tests: `return document->objects.count();` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator ...	48461
89	QString stringAt(int idx) const;	-
90	QmlIR::PoolList<QmlIR::Function>::Iterator objectFunctionsBegin(const QmlIR::Object *object) const { return object->functionsBegin(); } executed 4594 times by 101 tests: `return object->functionsBegin();` Executed by: tst_bindingdependencyapi tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator tst_qqmlitemmodels tst_qqmllistmodel ...	4594
91	QmlIR::PoolList<QmlIR::Function>::Iterator objectFunctionsEnd(const QmlIR::Object *object) const { return object->functionsEnd(); } executed 4594 times by 101 tests: `return object->functionsEnd();` Executed by: tst_bindingdependencyapi tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator tst_qqmlitemmodels tst_qqmllistmodel ...	4594
92	QV4::CompiledData::ResolvedTypeReferenceMap resolvedTypes;	-
93	// ---	-
94		-
95	QQmlRefPointer<QV4::CompiledData::CompilationUnit> compile();	-
96		-
97	QList<QQmlError> compilationErrors() const { return errors; } executed 8 times by 2 tests: `return errors;` Executed by: tst_qqmlecmascript tst_qqmlpropertymap	8
98	void recordError(QQmlError error);	-
99	void recordError(const QV4::CompiledData::Location &location, const QString &description);	-
100	void recordError(const QQmlCompileError &error);	-
101		-
102	int registerString(const QString &str);	-
103		-
104	const QV4::CompiledData::Unit *qmlUnit() const;	-
105		-
106	QUrl url() const { return typeData->finalUrl(); } executed 3835 times by 95 tests: `return typeData->finalUrl();` Executed by: tst_bindingdependencyapi tst_examples tst_flickableinterop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator tst_qqmlitemmodels tst_qqmllistmodel tst_qqmllistmodelworkerscript ...	3835
107	QQmlEnginePrivate *enginePrivate() const { return engine; } executed 146726 times by 141 tests: `return engine;` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator ...	146726
108	const QQmlImports *imports() const;	-
109	QVector<QmlIR::Object > qmlObjects() const;	-
110	void setPropertyCaches(QQmlPropertyCacheVector &&caches);	-
111	const QQmlPropertyCacheVector *propertyCaches() const;	-
112	QQmlPropertyCacheVector &&takePropertyCaches();	-
113	void setComponentRoots(const QVector<quint32> &roots) { m_componentRoots = roots; } executed 48455 times by 141 tests: `end of block` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator ...	48455
114	const QVector<quint32> &componentRoots() const { return m_componentRoots; } executed 48431 times by 140 tests: `return m_componentRoots;` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator tst_qqmlitemmodels ...	48431
115	QQmlJS::MemoryPool *memoryPool();	-
116	QStringRef newStringRef(const QString &string);	-
117	const QV4::Compiler::StringTableGenerator *stringPool() const;	-
118	void setBindingPropertyDataPerObject(const QVector<QV4::CompiledData::BindingPropertyData> &propertyData);	-
119		-
120	const QHash<int, QQmlCustomParser*> &customParserCache() const { return customParsers; } executed 193800 times by 141 tests: `return customParsers;` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator ...	193800
121		-
122	QString bindingAsString(const QmlIR::Object *object, int scriptIndex) const;	-
123		-
124	void addImport(const QString &module, const QString &qualifier, int majorVersion, int minorVersion);	-
125		-
126	private:	-
127	QList<QQmlError> errors;	-
128	QQmlEnginePrivate *engine;	-
129	QQmlTypeData *typeData;	-
130	const QV4::CompiledData::DependentTypesHasher &dependencyHasher;	-
131	QQmlRefPointer<QQmlTypeNameCache> typeNameCache;	-
132	QmlIR::Document *document;	-
133	// index is string index of type name (use obj->inheritedTypeNameIndex)	-
134	QHash<int, QQmlCustomParser*> customParsers;	-
135		-
136	// index in first hash is component index, vector inside contains object indices of objects with id property	-
137	QVector<quint32> m_componentRoots;	-
138	QQmlPropertyCacheVector m_propertyCaches;	-
139	};	-
140		-
141	struct QQmlCompilePass	-
142	{	-
143	QQmlCompilePass(QQmlTypeCompiler *typeCompiler);	-
144		-
145	QString stringAt(int idx) const { return compiler->stringAt(idx); } executed 628669 times by 141 tests: `return compiler->stringAt(idx);` Executed by: tst_bindingdependencyapi tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_parserstress tst_qjsengine tst_qmlcachegen tst_qmldiskcache tst_qqmlapplicationengine tst_qqmlbinding tst_qqmlcomponent tst_qqmlconnections tst_qqmlconsole tst_qqmlcontext tst_qqmldebugjs tst_qqmlecmascript tst_qqmlenginecleanup tst_qqmlenginedebugservice tst_qqmlexpression tst_qqmlfileselector tst_qqmlimport tst_qqmlincubator tst_qqmlinfo tst_qqmlinstantiator ...	628669
146	protected:	-
147	void recordError(const QV4::CompiledData::Location &location, const QString &description) const	-
148	{ compiler->recordError(location, description); } executed 4 times by 1 test: `end of block` Executed by: tst_qqmlecmascript	4
149	void recordError(const QQmlCompileError &error)	-
150	{ compiler->recordError(error); } never executed: `end of block`	0
151		-
152	QQmlTypeCompiler *compiler;	-
153	};	-
154		-
155	// "Converts" signal expressions to full-fleged function declarations with	-
156	// parameters taken from the signal declarations	-
157	// It also updates the QV4::CompiledData::Binding objects to set the property name	-
158	// to the final signal name (onTextChanged -> textChanged) and sets the IsSignalExpression flag.	-
159	struct SignalHandlerConverter : public QQmlCompilePass	-
160	{	-
161	Q_DECLARE_TR_FUNCTIONS(SignalHandlerConverter)	-
162	public:	-
163	SignalHandlerConverter(QQmlTypeCompiler *typeCompiler);	-
164		-
165	bool convertSignalHandlerExpressionsToFunctionDeclarations();	-
166		-
167	private:	-
168	bool convertSignalHandlerExpressionsToFunctionDeclarations(const QmlIR::Object obj, const QString &typeName, QQmlPropertyCache propertyCache);	-
169		-
170	QQmlEnginePrivate *enginePrivate;	-
171	const QVector<QmlIR::Object*> &qmlObjects;	-
172	const QQmlImports *imports;	-
173	const QHash<int, QQmlCustomParser*> &customParsers;	-
174	const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypes;	-
175	const QSet<QString> &illegalNames;	-
176	const QQmlPropertyCacheVector * const propertyCaches;	-
177	};	-
178		-
179	// ### This will go away when the codegen resolves all enums to constant expressions	-
180	// and we replace the constant expression with a literal binding instead of using	-
181	// a script.	-
182	class QQmlEnumTypeResolver : public QQmlCompilePass	-
183	{	-
184	Q_DECLARE_TR_FUNCTIONS(QQmlEnumTypeResolver)	-
185	public:	-
186	QQmlEnumTypeResolver(QQmlTypeCompiler *typeCompiler);	-
187		-
188	bool resolveEnumBindings();	-
189		-
190	private:	-
191	bool assignEnumToBinding(QmlIR::Binding *binding, const QStringRef &enumName, int enumValue, bool isQtObject);	-
192	bool assignEnumToBinding(QmlIR::Binding *binding, const QString &enumName, int enumValue, bool isQtObject)	-
193	{	-
194	return assignEnumToBinding(binding, QStringRef(&enumName), enumValue, isQtObject); never executed: `return assignEnumToBinding(binding, QStringRef(&enumName), enumValue, isQtObject);`	0
195	}	-
196	bool tryQualifiedEnumAssignment(const QmlIR::Object obj, const QQmlPropertyCache propertyCache,	-
197	const QQmlPropertyData *prop,	-
198	QmlIR::Binding *binding);	-
199	int evaluateEnum(const QString &scope, const QStringRef &enumName, const QStringRef &enumValue, bool *ok) const;	-
200		-
201		-
202	const QVector<QmlIR::Object*> &qmlObjects;	-
203	const QQmlPropertyCacheVector * const propertyCaches;	-
204	const QQmlImports *imports;	-
205	QV4::CompiledData::ResolvedTypeReferenceMap *resolvedTypes;	-
206	};	-
207		-
208	class QQmlCustomParserScriptIndexer: public QQmlCompilePass	-
209	{	-
210	public:	-
211	QQmlCustomParserScriptIndexer(QQmlTypeCompiler *typeCompiler);	-
212		-
213	void annotateBindingsWithScriptStrings();	-
214		-
215	private:	-
216	void scanObjectRecursively(int objectIndex, bool annotateScriptBindings = false);	-
217		-
218	const QVector<QmlIR::Object*> &qmlObjects;	-
219	const QHash<int, QQmlCustomParser*> &customParsers;	-
220	};	-
221		-
222	// Annotate properties bound to aliases with a flag	-
223	class QQmlAliasAnnotator : public QQmlCompilePass	-
224	{	-
225	public:	-
226	QQmlAliasAnnotator(QQmlTypeCompiler *typeCompiler);	-
227		-
228	void annotateBindingsToAliases();	-
229	private:	-
230	const QVector<QmlIR::Object*> &qmlObjects;	-
231	const QQmlPropertyCacheVector * const propertyCaches;	-
232	};	-
233		-
234	class QQmlScriptStringScanner : public QQmlCompilePass	-
235	{	-
236	public:	-
237	QQmlScriptStringScanner(QQmlTypeCompiler *typeCompiler);	-
238		-
239	void scan();	-
240		-
241	private:	-
242	const QVector<QmlIR::Object*> &qmlObjects;	-
243	const QQmlPropertyCacheVector * const propertyCaches;	-
244	};	-
245		-
246	class QQmlComponentAndAliasResolver : public QQmlCompilePass	-
247	{	-
248	Q_DECLARE_TR_FUNCTIONS(QQmlAnonymousComponentResolver)	-
249	public:	-
250	QQmlComponentAndAliasResolver(QQmlTypeCompiler *typeCompiler);	-
251		-
252	bool resolve();	-
253		-
254	protected:	-
255	void findAndRegisterImplicitComponents(const QmlIR::Object obj, QQmlPropertyCache propertyCache);	-
256	bool collectIdsAndAliases(int objectIndex);	-
257	bool resolveAliases(int componentIndex);	-
258	void propertyDataForAlias(QmlIR::Alias alias, int type, quint32 *propertyFlags);	-
259		-
260	enum AliasResolutionResult {	-
261	NoAliasResolved,	-
262	SomeAliasesResolved,	-
263	AllAliasesResolved	-
264	};	-
265		-
266	AliasResolutionResult resolveAliasesInObject(int objectIndex, QQmlCompileError *error);	-
267		-
268	QQmlEnginePrivate *enginePrivate;	-
269	QQmlJS::MemoryPool *pool;	-
270		-
271	QVector<QmlIR::Object> qmlObjects;	-
272		-
273	// indices of the objects that are actually Component {}	-
274	QVector<quint32> componentRoots;	-
275		-
276	// Deliberate choice of map over hash here to ensure stable generated output.	-
277	QMap<int, int> _idToObjectIndex;	-
278	QVector<int> _objectsWithAliases;	-
279		-
280	QV4::CompiledData::ResolvedTypeReferenceMap *resolvedTypes;	-
281	QQmlPropertyCacheVector propertyCaches;	-
282	};	-
283		-
284	class QQmlDeferredAndCustomParserBindingScanner : public QQmlCompilePass	-
285	{	-
286	public:	-
287	QQmlDeferredAndCustomParserBindingScanner(QQmlTypeCompiler *typeCompiler);	-
288		-
289	bool scanObject();	-
290		-
291	private:	-
292	bool scanObject(int objectIndex);	-
293		-
294	QVector<QmlIR::Object> qmlObjects;	-
295	const QQmlPropertyCacheVector * const propertyCaches;	-
296	const QHash<int, QQmlCustomParser*> &customParsers;	-
297		-
298	bool _seenObjectWithId;	-
299	};	-
300		-
301	// ### merge with QtQml::JSCodeGen and operate directly on object->functionsAndExpressions once old compiler is gone.	-
302	class QQmlJSCodeGenerator : public QQmlCompilePass	-
303	{	-
304	public:	-
305	QQmlJSCodeGenerator(QQmlTypeCompiler typeCompiler, QmlIR::JSCodeGen v4CodeGen);	-
306		-
307	bool generateCodeForComponents();	-
308		-
309	private:	-
310	bool compileComponent(int componentRoot);	-
311	bool compileJavaScriptCodeInObjectsRecursively(int objectIndex, int scopeObjectIndex);	-
312		-
313	const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypes;	-
314	const QHash<int, QQmlCustomParser*> &customParsers;	-
315	const QVector<QmlIR::Object*> &qmlObjects;	-
316	const QQmlPropertyCacheVector * const propertyCaches;	-
317	QmlIR::JSCodeGen * const v4CodeGen;	-
318	};	-
319		-
320	class QQmlDefaultPropertyMerger : public QQmlCompilePass	-
321	{	-
322	public:	-
323	QQmlDefaultPropertyMerger(QQmlTypeCompiler *typeCompiler);	-
324		-
325	void mergeDefaultProperties();	-
326		-
327	private:	-
328	void mergeDefaultProperties(int objectIndex);	-
329		-
330	const QVector<QmlIR::Object*> &qmlObjects;	-
331	const QQmlPropertyCacheVector * const propertyCaches;	-
332	};	-
333		-
334	QT_END_NAMESPACE	-
335		-
336	#endif // QQMLTYPECOMPILER_P_H	-

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

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

** This file is part of the tools applications 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 QQMLTYPECOMPILER_P_H

#define QQMLTYPECOMPILER_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 <qglobal.h>

#include <qqmlerror.h>

#include <qhash.h>

#include <private/qqmltypeloader_p.h>

#include <private/qqmlirbuilder_p.h>

#include <private/qqmlpropertycachecreator_p.h>

QT_BEGIN_NAMESPACE

class QQmlEnginePrivate;

class QQmlError;

class QQmlTypeData;

class QQmlImports;

namespace QmlIR {

struct Document;

}

namespace QV4 {

namespace CompiledData {

struct QmlUnit;

struct Location;

}

struct QQmlTypeCompiler

{

Q_DECLARE_TR_FUNCTIONS(QQmlTypeCompiler)

public:

QQmlTypeCompiler(QQmlEnginePrivate *engine, QQmlTypeData *typeData, QmlIR::Document *document, const QQmlRefPointer<QQmlTypeNameCache> &typeNameCache, const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypeCache,

const QV4::CompiledData::DependentTypesHasher &dependencyHasher);

// --- interface used by QQmlPropertyCacheCreator

typedef QmlIR::Object CompiledObject;

const QmlIR::Object *objectAt(int index) const { return document->objects.at(index); }

executed 71753 times by 141 tests: return document->objects.at(index);

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
...

71753

int objectCount() const { return document->objects.count(); }

executed 48461 times by 141 tests: return document->objects.count();

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
...

48461

QString stringAt(int idx) const;

QmlIR::PoolList<QmlIR::Function>::Iterator objectFunctionsBegin(const QmlIR::Object *object) const { return object->functionsBegin(); }

executed 4594 times by 101 tests: return object->functionsBegin();

Executed by:

tst_bindingdependencyapi
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
...

4594

QmlIR::PoolList<QmlIR::Function>::Iterator objectFunctionsEnd(const QmlIR::Object *object) const { return object->functionsEnd(); }

executed 4594 times by 101 tests: return object->functionsEnd();

Executed by:

tst_bindingdependencyapi
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
...

4594

QV4::CompiledData::ResolvedTypeReferenceMap resolvedTypes;

// ---

QQmlRefPointer<QV4::CompiledData::CompilationUnit> compile();

QList<QQmlError> compilationErrors() const { return errors; }

executed 8 times by 2 tests: return errors;

Executed by:

tst_qqmlecmascript
tst_qqmlpropertymap

void recordError(QQmlError error);

void recordError(const QV4::CompiledData::Location &location, const QString &description);

100

void recordError(const QQmlCompileError &error);

101

102

int registerString(const QString &str);

103

104

const QV4::CompiledData::Unit *qmlUnit() const;

105

106

QUrl url() const { return typeData->finalUrl(); }

executed 3835 times by 95 tests: return typeData->finalUrl();

Executed by:

tst_bindingdependencyapi
tst_examples
tst_flickableinterop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistmodelworkerscript
...

3835

107

QQmlEnginePrivate *enginePrivate() const { return engine; }

executed 146726 times by 141 tests: return engine;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
...

146726

108

const QQmlImports *imports() const;

109

QVector<QmlIR::Object *> *qmlObjects() const;

110

void setPropertyCaches(QQmlPropertyCacheVector &&caches);

111

const QQmlPropertyCacheVector *propertyCaches() const;

112

QQmlPropertyCacheVector &&takePropertyCaches();

113

void setComponentRoots(const QVector<quint32> &roots) { m_componentRoots = roots; }

executed 48455 times by 141 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
...

48455

114

const QVector<quint32> &componentRoots() const { return m_componentRoots; }

executed 48431 times by 140 tests: return m_componentRoots;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
...

48431

115

QQmlJS::MemoryPool *memoryPool();

116

QStringRef newStringRef(const QString &string);

117

const QV4::Compiler::StringTableGenerator *stringPool() const;

118

void setBindingPropertyDataPerObject(const QVector<QV4::CompiledData::BindingPropertyData> &propertyData);

119

120

const QHash<int, QQmlCustomParser*> &customParserCache() const { return customParsers; }

executed 193800 times by 141 tests: return customParsers;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
...

193800

121

122

QString bindingAsString(const QmlIR::Object *object, int scriptIndex) const;

123

124

void addImport(const QString &module, const QString &qualifier, int majorVersion, int minorVersion);

125

126

private:

127

QList<QQmlError> errors;

128

QQmlEnginePrivate *engine;

129

QQmlTypeData *typeData;

130

const QV4::CompiledData::DependentTypesHasher &dependencyHasher;

131

QQmlRefPointer<QQmlTypeNameCache> typeNameCache;

132

QmlIR::Document *document;

133

// index is string index of type name (use obj->inheritedTypeNameIndex)

134

QHash<int, QQmlCustomParser*> customParsers;

135

136

// index in first hash is component index, vector inside contains object indices of objects with id property

137

QVector<quint32> m_componentRoots;

138

QQmlPropertyCacheVector m_propertyCaches;

139

};

140

141

struct QQmlCompilePass

142

{

143

QQmlCompilePass(QQmlTypeCompiler *typeCompiler);

144

145

QString stringAt(int idx) const { return compiler->stringAt(idx); }

executed 628669 times by 141 tests: return compiler->stringAt(idx);

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_parserstress
tst_qjsengine
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlconsole
tst_qqmlcontext
tst_qqmldebugjs
tst_qqmlecmascript
tst_qqmlenginecleanup
tst_qqmlenginedebugservice
tst_qqmlexpression
tst_qqmlfileselector
tst_qqmlimport
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
...

628669

146

protected:

147

void recordError(const QV4::CompiledData::Location &location, const QString &description) const

148

{ compiler->recordError(location, description); }

executed 4 times by 1 test: end of block

Executed by:

tst_qqmlecmascript

149

void recordError(const QQmlCompileError &error)

150

{ compiler->recordError(error); }

never executed: end of block

151

152

QQmlTypeCompiler *compiler;

153

};

154

155

// "Converts" signal expressions to full-fleged function declarations with

156

// parameters taken from the signal declarations

157

// It also updates the QV4::CompiledData::Binding objects to set the property name

158

// to the final signal name (onTextChanged -> textChanged) and sets the IsSignalExpression flag.

159

struct SignalHandlerConverter : public QQmlCompilePass

160

{

161

Q_DECLARE_TR_FUNCTIONS(SignalHandlerConverter)

162

public:

163

SignalHandlerConverter(QQmlTypeCompiler *typeCompiler);

164

165

bool convertSignalHandlerExpressionsToFunctionDeclarations();

166

167

private:

168

bool convertSignalHandlerExpressionsToFunctionDeclarations(const QmlIR::Object *obj, const QString &typeName, QQmlPropertyCache *propertyCache);

169

170

QQmlEnginePrivate *enginePrivate;

171

const QVector<QmlIR::Object*> &qmlObjects;

172

const QQmlImports *imports;

173

const QHash<int, QQmlCustomParser*> &customParsers;

174

const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypes;

175

const QSet<QString> &illegalNames;

176

const QQmlPropertyCacheVector * const propertyCaches;

177

};

178

179

// ### This will go away when the codegen resolves all enums to constant expressions

180

// and we replace the constant expression with a literal binding instead of using

181

// a script.

182

class QQmlEnumTypeResolver : public QQmlCompilePass

183

{

184

Q_DECLARE_TR_FUNCTIONS(QQmlEnumTypeResolver)

185

public:

186

QQmlEnumTypeResolver(QQmlTypeCompiler *typeCompiler);

187

188

bool resolveEnumBindings();

189

190

private:

191

bool assignEnumToBinding(QmlIR::Binding *binding, const QStringRef &enumName, int enumValue, bool isQtObject);

192

bool assignEnumToBinding(QmlIR::Binding *binding, const QString &enumName, int enumValue, bool isQtObject)

193

{

194

return assignEnumToBinding(binding, QStringRef(&enumName), enumValue, isQtObject);

never executed: return assignEnumToBinding(binding, QStringRef(&enumName), enumValue, isQtObject);

195

}

196

bool tryQualifiedEnumAssignment(const QmlIR::Object *obj, const QQmlPropertyCache *propertyCache,

197

const QQmlPropertyData *prop,

198

QmlIR::Binding *binding);

199

int evaluateEnum(const QString &scope, const QStringRef &enumName, const QStringRef &enumValue, bool *ok) const;

200

201

202

const QVector<QmlIR::Object*> &qmlObjects;

203

const QQmlPropertyCacheVector * const propertyCaches;

204

const QQmlImports *imports;

205

QV4::CompiledData::ResolvedTypeReferenceMap *resolvedTypes;

206

};

207

208

class QQmlCustomParserScriptIndexer: public QQmlCompilePass

209

{

210

public:

211

QQmlCustomParserScriptIndexer(QQmlTypeCompiler *typeCompiler);

212

213

void annotateBindingsWithScriptStrings();

214

215

private:

216

void scanObjectRecursively(int objectIndex, bool annotateScriptBindings = false);

217

218

const QVector<QmlIR::Object*> &qmlObjects;

219

const QHash<int, QQmlCustomParser*> &customParsers;

220

};

221

222

// Annotate properties bound to aliases with a flag

223

class QQmlAliasAnnotator : public QQmlCompilePass

224

{

225

public:

226

QQmlAliasAnnotator(QQmlTypeCompiler *typeCompiler);

227

228

void annotateBindingsToAliases();

229

private:

230

const QVector<QmlIR::Object*> &qmlObjects;

231

const QQmlPropertyCacheVector * const propertyCaches;

232

};

233

234

class QQmlScriptStringScanner : public QQmlCompilePass

235

{

236

public:

237

QQmlScriptStringScanner(QQmlTypeCompiler *typeCompiler);

void scan();

private:

const QVector<QmlIR::Object*> &qmlObjects;

243

const QQmlPropertyCacheVector * const propertyCaches;

244

};

245

246

class QQmlComponentAndAliasResolver : public QQmlCompilePass

247

{

248

Q_DECLARE_TR_FUNCTIONS(QQmlAnonymousComponentResolver)

249

public:

250

QQmlComponentAndAliasResolver(QQmlTypeCompiler *typeCompiler);

bool resolve();

protected:

void findAndRegisterImplicitComponents(const QmlIR::Object *obj, QQmlPropertyCache *propertyCache);

256

bool collectIdsAndAliases(int objectIndex);

257

bool resolveAliases(int componentIndex);

258

void propertyDataForAlias(QmlIR::Alias *alias, int *type, quint32 *propertyFlags);

259

260

enum AliasResolutionResult {

NoAliasResolved,

SomeAliasesResolved,

AllAliasesResolved

};

AliasResolutionResult resolveAliasesInObject(int objectIndex, QQmlCompileError *error);

267

268

QQmlEnginePrivate *enginePrivate;

269

QQmlJS::MemoryPool *pool;

270

271

QVector<QmlIR::Object*> *qmlObjects;

272

273

// indices of the objects that are actually Component {}

274

QVector<quint32> componentRoots;

275

276

// Deliberate choice of map over hash here to ensure stable generated output.

277

QMap<int, int> _idToObjectIndex;

278

QVector<int> _objectsWithAliases;

279

280

QV4::CompiledData::ResolvedTypeReferenceMap *resolvedTypes;

281

QQmlPropertyCacheVector propertyCaches;

282

};

283

284

class QQmlDeferredAndCustomParserBindingScanner : public QQmlCompilePass

285

{

286

public:

287

QQmlDeferredAndCustomParserBindingScanner(QQmlTypeCompiler *typeCompiler);

bool scanObject();

private:

bool scanObject(int objectIndex);

293

294

QVector<QmlIR::Object*> *qmlObjects;

295

const QQmlPropertyCacheVector * const propertyCaches;

296

const QHash<int, QQmlCustomParser*> &customParsers;

297

298

bool _seenObjectWithId;

299

};

300

301

// ### merge with QtQml::JSCodeGen and operate directly on object->functionsAndExpressions once old compiler is gone.

302

class QQmlJSCodeGenerator : public QQmlCompilePass

303

{

304

public:

305

QQmlJSCodeGenerator(QQmlTypeCompiler *typeCompiler, QmlIR::JSCodeGen *v4CodeGen);

306

307

bool generateCodeForComponents();

308

309

private:

310

bool compileComponent(int componentRoot);

311

bool compileJavaScriptCodeInObjectsRecursively(int objectIndex, int scopeObjectIndex);

312

313

const QV4::CompiledData::ResolvedTypeReferenceMap &resolvedTypes;

314

const QHash<int, QQmlCustomParser*> &customParsers;

315

const QVector<QmlIR::Object*> &qmlObjects;

316

const QQmlPropertyCacheVector * const propertyCaches;

317

QmlIR::JSCodeGen * const v4CodeGen;

318

};

319

320

class QQmlDefaultPropertyMerger : public QQmlCompilePass

321

{

322

public:

323

QQmlDefaultPropertyMerger(QQmlTypeCompiler *typeCompiler);

324

325

void mergeDefaultProperties();

326

327

private:

328

void mergeDefaultProperties(int objectIndex);

329

330

const QVector<QmlIR::Object*> &qmlObjects;

331

const QQmlPropertyCacheVector * const propertyCaches;

};

QT_END_NAMESPACE

#endif // QQMLTYPECOMPILER_P_H

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