#include <qqmljavascriptexpression_p.h>

Inheritance diagram for QQmlJavaScriptExpression:

Collaboration diagram for QQmlJavaScriptExpression:

Classes
class	DeleteWatcher

Public Member Functions
	QQmlJavaScriptExpression ()

virtual	~QQmlJavaScriptExpression ()

virtual QString	expressionIdentifier () const

virtual void	expressionChanged ()=0

QV4::ReturnedValue	evaluate (bool *isUndefined)

QV4::ReturnedValue	evaluate (QV4::CallData callData, bool isUndefined)

bool	evaluate (void *a, const QMetaType types, int argc)

bool	notifyOnValueChanged () const

void	setNotifyOnValueChanged (bool v)

void	resetNotifyOnValueChanged ()

QObject *	scopeObject () const

void	setScopeObject (QObject *v)

virtual QQmlSourceLocation	sourceLocation () const

bool	hasContext () const

bool	hasValidContext () const

QQmlContext *	publicContext () const

QQmlRefPointer< QQmlContextData >	context () const

void	setContext (const QQmlRefPointer< QQmlContextData > &context)

void	insertIntoList (QQmlJavaScriptExpression **listHead)

QV4::Function *	function () const

virtual void	refresh ()

bool	hasError () const

bool	hasDelayedError () const

QQmlError	error (QQmlEngine *) const

void	clearError ()

void	clearActiveGuards ()

QQmlDelayedError *	delayedError ()

virtual bool	mustCaptureBindableProperty () const

QQmlEngine *	engine () const

bool	hasUnresolvedNames () const

bool	needsPropertyChangeTrigger (QObject *target, int propertyIndex)

QPropertyChangeTrigger *	allocatePropertyChangeTrigger (QObject *target, int propertyIndex)

Static Public Member Functions
static QV4::ReturnedValue	evalFunction (const QQmlRefPointer< QQmlContextData > &ctxt, QObject *scope, const QString &code, const QString &filename, quint16 line)

Protected Types
enum	GuardTag { NoGuardTag , NotifyOnValueChanged }

enum	Tag { NoTag , InEvaluationLoop }

Protected Member Functions
void	createQmlBinding (const QQmlRefPointer< QQmlContextData > &ctxt, QObject *scope, const QString &code, const QString &filename, quint16 line)

void	setupFunction (QV4::ExecutionContext qmlContext, QV4::Function f)

void	setCompilationUnit (const QQmlRefPointer< QV4::ExecutableCompilationUnit > &compilationUnit)

Protected Attributes
QBiPointer< QObject, DeleteWatcher >	m_scopeObject

QForwardFieldList< QQmlJavaScriptExpressionGuard, &QQmlJavaScriptExpressionGuard::next, GuardTag >	activeGuards

QTaggedPointer< QQmlDelayedError, Tag >	m_error

TriggerList *	qpropertyChangeTriggers = nullptr

Friends
class	QQmlContextData

class	QQmlPropertyCapture

class	QQmlTranslationBindingFromBinding

class	QQmlTranslationBindingFromTranslationInfo

class	QQmlJavaScriptExpressionCapture

void	QQmlJavaScriptExpressionGuard_callback (QQmlNotifierEndpoint , void *)

Detailed Description

Definition at line 65 of file qqmljavascriptexpression_p.h.

Member Enumeration Documentation

◆ GuardTag

enum QQmlJavaScriptExpression::GuardTag

protected

Enumerator
NoGuardTag
NotifyOnValueChanged

Definition at line 151 of file qqmljavascriptexpression_p.h.

◆ Tag

enum QQmlJavaScriptExpression::Tag

protected

Enumerator
NoTag
InEvaluationLoop

Definition at line 158 of file qqmljavascriptexpression_p.h.

Constructor & Destructor Documentation

◆ QQmlJavaScriptExpression()

QQmlJavaScriptExpression::QQmlJavaScriptExpression ( )

Definition at line 64 of file qqmljavascriptexpression.cpp.

◆ ~QQmlJavaScriptExpression()

QQmlJavaScriptExpression::~QQmlJavaScriptExpression ( )

virtual

Definition at line 72 of file qqmljavascriptexpression.cpp.

References clearActiveGuards(), clearError(), QRecyclePool< T, Step >::Delete(), m_scopeObject, TriggerList::next, and qpropertyChangeTriggers.

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Member Function Documentation

◆ allocatePropertyChangeTrigger()

QPropertyChangeTrigger * QQmlJavaScriptExpression::allocatePropertyChangeTrigger	(	QObject *	target,
		int	propertyIndex
	)

Definition at line 540 of file qqmljavascriptexpression.cpp.

References engine(), QQmlEnginePrivate::get(), QRecyclePool< T, Step >::New(), TriggerList::next, qpropertyChangeTriggers, QQmlEnginePrivate::qPropertyTriggerPool, and QPropertyChangeTrigger::target.

Referenced by QQmlPropertyCapture::captureTranslation().

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◆ clearActiveGuards()

void QQmlJavaScriptExpression::clearActiveGuards ( )

Definition at line 551 of file qqmljavascriptexpression.cpp.

References activeGuards, and QForwardFieldList< N, nextMember, Tag >::takeFirst().

Referenced by ~QQmlJavaScriptExpression(), and setNotifyOnValueChanged().

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◆ clearError()

void QQmlJavaScriptExpression::clearError ( )

inline

Definition at line 267 of file qqmljavascriptexpression_p.h.

References QTaggedPointer< T, Tag >::data(), and m_error.

Referenced by ~QQmlJavaScriptExpression(), and QQmlBinding::doUpdate().

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◆ context()

QQmlRefPointer< QQmlContextData > QQmlJavaScriptExpression::context ( ) const

inline

Definition at line 93 of file qqmljavascriptexpression_p.h.

Referenced by QQmlPropertyBindingJS::expressionChanged(), setContext(), QQmlBinding::slowWrite(), QQmlBinding::slowWrite(), and QQmlExpressionPrivate::v4value().

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◆ createQmlBinding()

void QQmlJavaScriptExpression::createQmlBinding	(	const QQmlRefPointer< QQmlContextData > &	ctxt,
		QObject *	scope,
		const QString &	code,
		const QString &	filename,
		quint16	line
	)

protected

Definition at line 487 of file qqmljavascriptexpression.cpp.

References QV4::QmlContext::create(), delayedError(), engine(), error, QQmlEnginePrivate::get(), QJSEngine::handle(), QV4::EngineBase::hasException, line, QV4::Script::parse(), qmlContext(), QV4::ExecutionEngine::rootContext(), setupFunction(), QV4::Script::vmFunction, and QQmlEnginePrivate::warning().

Referenced by QQmlExpressionPrivate::v4value().

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◆ delayedError()

QQmlDelayedError * QQmlJavaScriptExpression::delayedError ( )

Definition at line 448 of file qqmljavascriptexpression.cpp.

References QTaggedPointer< T, Tag >::data(), and m_error.

Referenced by QQmlJavaScriptExpressionCapture::catchException(), createQmlBinding(), QQmlBinding::doUpdate(), QQmlBinding::slowWrite(), and QQmlBinding::slowWrite().

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◆ engine()

QQmlEngine * QQmlJavaScriptExpression::engine ( ) const

inline

Definition at line 133 of file qqmljavascriptexpression_p.h.

Referenced by allocatePropertyChangeTrigger(), createQmlBinding(), QQmlBinding::doUpdate(), error(), evalFunction(), QQmlBinding::evaluate(), QQmlBinding::evaluate(), evaluate(), QQmlPropertyBindingJSForBoundFunction::evaluate(), evaluate(), QQmlBoundSignalExpression::evaluate(), evaluate(), QQmlPropertyBindingJS::expressionChanged(), QQmlExpressionPrivate::init(), QQmlBoundSignal_callback(), QQmlBinding::slowWrite(), QQmlPropertyPrivate::takeSignalExpression(), QQmlBinding::update(), QQmlExpressionPrivate::value(), and GenericBinding< StaticPropType >::write().

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◆ error()

QQmlError QQmlJavaScriptExpression::error ( QQmlEngine * engine ) const

Definition at line 438 of file qqmljavascriptexpression.cpp.

References engine(), QQmlDelayedError::error(), m_error, and Q_UNUSED.

Referenced by QQmlObjectCreator::finalize().

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◆ evalFunction()

QV4::ReturnedValue QQmlJavaScriptExpression::evalFunction	(	const QQmlRefPointer< QQmlContextData > &	ctxt,
		QObject *	scope,
		const QString &	code,
		const QString &	filename,
		quint16	line
	)

static

Definition at line 456 of file qqmljavascriptexpression.cpp.

References QV4::ExecutionEngine::catchExceptionAsQmlError(), QV4::QmlContext::create(), engine(), error, QUrl::fromLocalFile(), QQmlEnginePrivate::get(), QJSEngine::handle(), QV4::EngineBase::hasException, line, QV4::Script::parse(), qmlContext(), QV4::ExecutionEngine::rootContext(), QV4::Script::run(), scopeObject(), QV4::Encode::undefined(), and QQmlEnginePrivate::warning().

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◆ evaluate() [1/3]

QV4::ReturnedValue QQmlJavaScriptExpression::evaluate ( bool * isUndefined )

Definition at line 143 of file qqmljavascriptexpression.cpp.

References QV4::JSCallArguments::callData(), engine(), evaluate(), QJSEngine::handle(), and QV4::Encode::undefined().

Referenced by QQmlBinding::evaluate(), QQmlBinding::evaluate(), QQmlPropertyBindingJSForBoundFunction::evaluate(), QQmlBoundSignalExpression::evaluate(), and QQmlBinding::evaluate().

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◆ evaluate() [2/3]

QV4::ReturnedValue QQmlJavaScriptExpression::evaluate	(	QV4::CallData *	callData,
		bool *	isUndefined
	)

Definition at line 213 of file qqmljavascriptexpression.cpp.

References QV4::CallData::argc(), QV4::CallData::argValues(), QV4::StaticValue::asValue(), QV4::Function::call(), QQmlJavaScriptExpressionCapture::catchException(), QV4::Scope::engine, engine(), function(), QV4::EngineBase::globalObject, QJSEngine::handle(), QV4::StaticValue::isNullOrUndefined(), Q_ASSERT, qmlEngine(), scopeObject(), QV4::CallData::thisObject, QV4::Encode::undefined(), QV4::PersistentValue::valueRef(), and QV4::QObjectWrapper::wrap().

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◆ evaluate() [3/3]

bool QQmlJavaScriptExpression::evaluate	(	void **	a,
		const QMetaType *	types,
		int	argc
	)

Definition at line 253 of file qqmljavascriptexpression.cpp.

References QV4::Function::call(), QQmlJavaScriptExpressionCapture::catchException(), engine(), function(), QJSEngine::handle(), Q_ASSERT, qmlEngine(), scopeObject(), and QV4::PersistentValue::valueRef().

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◆ expressionChanged()

virtual void QQmlJavaScriptExpression::expressionChanged ( )

pure virtual

Implemented in QQmlBinding, QQmlBoundSignalExpression, QQmlExpressionPrivate, and QQmlPropertyBindingJS.

Referenced by QPropertyChangeTrigger::trigger().

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◆ expressionIdentifier()

QString QQmlJavaScriptExpression::expressionIdentifier ( ) const

virtual

Reimplemented in QQmlBoundSignalExpression, and QQmlExpressionPrivate.

Definition at line 92 of file qqmljavascriptexpression.cpp.

References QString::asprintf(), function(), QStringLiteral, and url.

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◆ function()

QV4::Function * QQmlJavaScriptExpression::function ( ) const

inline

Definition at line 105 of file qqmljavascriptexpression_p.h.

Referenced by QQmlBinding::create(), QQmlBinding::create(), QQmlBinding::doUpdate(), evaluate(), evaluate(), expressionIdentifier(), QQmlBoundSignal_callback(), and QQmlBinding::update().

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◆ hasContext()

bool QQmlJavaScriptExpression::hasContext ( ) const

inline

Definition at line 89 of file qqmljavascriptexpression_p.h.

◆ hasDelayedError()

bool QQmlJavaScriptExpression::hasDelayedError ( ) const

inline

Definition at line 262 of file qqmljavascriptexpression_p.h.

References QTaggedPointer< T, Tag >::isNull(), and m_error.

Referenced by QQmlJavaScriptExpressionCapture::catchException().

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◆ hasError()

bool QQmlJavaScriptExpression::hasError ( ) const

inline

Definition at line 257 of file qqmljavascriptexpression_p.h.

References QTaggedPointer< T, Tag >::isNull(), QQmlDelayedError::isValid(), and m_error.

Referenced by QQmlBinding::doUpdate(), QQmlTranslationBinding::doUpdate(), QQmlObjectCreator::finalize(), QQmlBinding::slowWrite(), QQmlBinding::slowWrite(), QQmlExpressionPrivate::v4value(), and QQmlExpressionPrivate::value().

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◆ hasUnresolvedNames()

bool QQmlJavaScriptExpression::hasUnresolvedNames ( ) const

inline

Definition at line 134 of file qqmljavascriptexpression_p.h.

Referenced by QQmlObjectCreator::finalize().

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◆ hasValidContext()

bool QQmlJavaScriptExpression::hasValidContext ( ) const

inline

Definition at line 90 of file qqmljavascriptexpression_p.h.

Referenced by QQmlBind::setObject(), QQmlBinding::update(), QQuickStateGroupPrivate::updateAutoState(), and QQmlExpressionPrivate::value().

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◆ insertIntoList()

void QQmlJavaScriptExpression::insertIntoList ( QQmlJavaScriptExpression ** listHead )

inline

Definition at line 96 of file qqmljavascriptexpression_p.h.

Referenced by QQmlContextData::addExpression().

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◆ mustCaptureBindableProperty()

virtual bool QQmlJavaScriptExpression::mustCaptureBindableProperty ( ) const

inlinevirtual

Reimplemented in QQmlBinding, QQmlBoundSignalExpression, QQmlExpressionPrivate, and QQmlPropertyBindingJS.

Definition at line 127 of file qqmljavascriptexpression_p.h.

Referenced by QV4::QObjectWrapper::getProperty().

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◆ needsPropertyChangeTrigger()

bool QQmlJavaScriptExpression::needsPropertyChangeTrigger	(	QObject *	target,
		int	propertyIndex
	)

Definition at line 353 of file qqmljavascriptexpression.cpp.

References QRecyclePool< T, Step >::Delete(), TriggerList::next, QPropertyChangeTrigger::propertyIndex, qpropertyChangeTriggers, and QPropertyChangeTrigger::target.

Referenced by QQmlPropertyCapture::captureTranslation().

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◆ notifyOnValueChanged()

bool QQmlJavaScriptExpression::notifyOnValueChanged ( ) const

inline

Definition at line 240 of file qqmljavascriptexpression_p.h.

References activeGuards, NotifyOnValueChanged, and QForwardFieldList< N, nextMember, Tag >::tag().

Referenced by QQmlJavaScriptExpressionCapture::QQmlJavaScriptExpressionCapture().

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◆ publicContext()

QQmlContext * QQmlJavaScriptExpression::publicContext ( ) const

inline

Definition at line 91 of file qqmljavascriptexpression_p.h.

◆ refresh()

void QQmlJavaScriptExpression::refresh ( )

virtual

Reimplemented in QQmlBinding.

Definition at line 139 of file qqmljavascriptexpression.cpp.

◆ resetNotifyOnValueChanged()

void QQmlJavaScriptExpression::resetNotifyOnValueChanged ( )

Definition at line 111 of file qqmljavascriptexpression.cpp.

References setNotifyOnValueChanged().

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◆ scopeObject()

QObject * QQmlJavaScriptExpression::scopeObject ( ) const

inline

Definition at line 245 of file qqmljavascriptexpression_p.h.

References m_scopeObject.

Referenced by QQmlBoundSignalExpression::QQmlBoundSignalExpression(), evalFunction(), evaluate(), evaluate(), QQmlPropertyBindingJS::expressionChanged(), QQmlBoundSignal_callback(), and QQmlExpressionPrivate::v4value().

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◆ setCompilationUnit()

void QQmlJavaScriptExpression::setCompilationUnit ( const QQmlRefPointer< QV4::ExecutableCompilationUnit > & compilationUnit )

protected

Definition at line 520 of file qqmljavascriptexpression.cpp.

Referenced by QQmlTranslationBinding::QQmlTranslationBinding().

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◆ setContext()

void QQmlJavaScriptExpression::setContext ( const QQmlRefPointer< QQmlContextData > & context )

Definition at line 123 of file qqmljavascriptexpression.cpp.

References QQmlContextData::addExpression(), context(), and QQmlRefPointer< T >::data().

Referenced by QQmlContextData::clearContext(), QQmlExpressionPrivate::init(), and QQmlExpressionPrivate::init().

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◆ setNotifyOnValueChanged()

void QQmlJavaScriptExpression::setNotifyOnValueChanged ( bool v )

Definition at line 104 of file qqmljavascriptexpression.cpp.

References activeGuards, clearActiveGuards(), NoGuardTag, NotifyOnValueChanged, and QForwardFieldList< N, nextMember, Tag >::setTag().

Referenced by resetNotifyOnValueChanged(), QQmlBinding::setEnabled(), and QQmlBoundSignal::takeExpression().

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◆ setScopeObject()

void QQmlJavaScriptExpression::setScopeObject ( QObject * v )

inline

Definition at line 251 of file qqmljavascriptexpression_p.h.

References m_scopeObject.

Referenced by QQmlExpressionPrivate::init(), and QQmlExpressionPrivate::init().

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◆ setupFunction()

void QQmlJavaScriptExpression::setupFunction	(	QV4::ExecutionContext *	qmlContext,
		QV4::Function *	f
	)

protected

Definition at line 511 of file qqmljavascriptexpression.cpp.

References QQmlContext::engine(), QV4::Function::executableCompilationUnit(), qmlContext(), QQmlRefPointer< T >::reset(), and QV4::PersistentValue::set().

Referenced by createQmlBinding(), and QQmlExpressionPrivate::init().

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◆ sourceLocation()

QQmlSourceLocation QQmlJavaScriptExpression::sourceLocation ( ) const

virtual

Reimplemented in QQmlBinding, QQmlTranslationBindingFromBinding, and QQmlTranslationBindingFromTranslationInfo.

Definition at line 116 of file qqmljavascriptexpression.cpp.

References QV4::Function::sourceLocation().

Referenced by QQmlData::destroyed(), QQmlPropertyBindingJS::expressionChanged(), QQmlBoundSignalExpression::expressionIdentifier(), and QQmlBinding::sourceLocation().

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Friends And Related Symbol Documentation

◆ QQmlContextData

friend class QQmlContextData

friend

Definition at line 166 of file qqmljavascriptexpression_p.h.

◆ QQmlJavaScriptExpressionCapture

friend class QQmlJavaScriptExpressionCapture

friend

Definition at line 171 of file qqmljavascriptexpression_p.h.

◆ QQmlJavaScriptExpressionGuard_callback

void QQmlJavaScriptExpressionGuard_callback	(	QQmlNotifierEndpoint *	,
		void **
	)

friend

Definition at line 557 of file qqmljavascriptexpression.cpp.

◆ QQmlPropertyCapture

friend class QQmlPropertyCapture

friend

Definition at line 167 of file qqmljavascriptexpression_p.h.

◆ QQmlTranslationBindingFromBinding

friend class QQmlTranslationBindingFromBinding

friend

Definition at line 169 of file qqmljavascriptexpression_p.h.

Referenced by QQmlBinding::createTranslationBinding().

◆ QQmlTranslationBindingFromTranslationInfo

friend class QQmlTranslationBindingFromTranslationInfo

friend

Definition at line 170 of file qqmljavascriptexpression_p.h.

Referenced by QQmlBinding::createTranslationBinding().

Member Data Documentation

◆ activeGuards

QForwardFieldList<QQmlJavaScriptExpressionGuard, &QQmlJavaScriptExpressionGuard::next, GuardTag> QQmlJavaScriptExpression::activeGuards

protected

Definition at line 156 of file qqmljavascriptexpression_p.h.

Referenced by QQmlJavaScriptExpressionCapture::QQmlJavaScriptExpressionCapture(), QQmlPropertyCapture::captureProperty(), clearActiveGuards(), QQmlBinding::dependencies(), QQmlBinding::hasDependencies(), notifyOnValueChanged(), and setNotifyOnValueChanged().

◆ m_error

QTaggedPointer<QQmlDelayedError, Tag> QQmlJavaScriptExpression::m_error

protected

Definition at line 163 of file qqmljavascriptexpression_p.h.

Referenced by clearError(), delayedError(), error(), QQmlPropertyBindingJS::expressionChanged(), hasDelayedError(), and hasError().

◆ m_scopeObject

QBiPointer<QObject, DeleteWatcher> QQmlJavaScriptExpression::m_scopeObject

protected

Definition at line 149 of file qqmljavascriptexpression_p.h.

Referenced by ~QQmlJavaScriptExpression(), scopeObject(), and setScopeObject().

◆ qpropertyChangeTriggers

TriggerList* QQmlJavaScriptExpression::qpropertyChangeTriggers = nullptr

protected

Definition at line 185 of file qqmljavascriptexpression_p.h.

Referenced by ~QQmlJavaScriptExpression(), allocatePropertyChangeTrigger(), QQmlBinding::dependencies(), QQmlBinding::hasDependencies(), and needsPropertyChangeTrigger().

The documentation for this class was generated from the following files:

qtdeclarative/src/qml/qml/qqmljavascriptexpression_p.h
qtdeclarative/src/qml/qml/qqmljavascriptexpression.cpp

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Member Enumeration Documentation

◆ GuardTag

◆ Tag

Constructor & Destructor Documentation

◆ QQmlJavaScriptExpression()

◆ ~QQmlJavaScriptExpression()

Member Function Documentation

◆ allocatePropertyChangeTrigger()

◆ clearActiveGuards()

◆ clearError()

◆ context()

◆ createQmlBinding()

◆ delayedError()

◆ engine()

◆ error()

◆ evalFunction()

◆ evaluate() [1/3]

◆ evaluate() [2/3]

◆ evaluate() [3/3]

◆ expressionChanged()

◆ expressionIdentifier()

◆ function()

◆ hasContext()

◆ hasDelayedError()

◆ hasError()

◆ hasUnresolvedNames()

◆ hasValidContext()

◆ insertIntoList()

◆ mustCaptureBindableProperty()

◆ needsPropertyChangeTrigger()

◆ notifyOnValueChanged()

◆ publicContext()

◆ refresh()

◆ resetNotifyOnValueChanged()

◆ scopeObject()

◆ setCompilationUnit()

◆ setContext()

◆ setNotifyOnValueChanged()

◆ setScopeObject()

◆ setupFunction()

◆ sourceLocation()

Friends And Related Symbol Documentation

◆ QQmlContextData

◆ QQmlJavaScriptExpressionCapture

◆ QQmlJavaScriptExpressionGuard_callback

◆ QQmlPropertyCapture

◆ QQmlTranslationBindingFromBinding

◆ QQmlTranslationBindingFromTranslationInfo

Member Data Documentation

◆ activeGuards

◆ m_error

◆ m_scopeObject

◆ qpropertyChangeTriggers