#include <qv4internalclass_p.h>

Inheritance diagram for QV4::Heap::InternalClass:

Collaboration diagram for QV4::Heap::InternalClass:

Classes
struct	IndexAndAttribute

Public Types
enum	Flag { NotExtensible = 1 << 0 , Sealed = 1 << 1 , Frozen = 1 << 2 , UsedAsProto = 1 << 3 , Locked = 1 << 4 }

enum	{ MaxRedundantTransitions = 255 }

typedef InternalClassTransition	Transition

Public Member Functions
InternalClassTransition &	lookupOrInsertTransition (const InternalClassTransition &t)

bool	isExtensible () const

bool	isSealed () const

bool	isFrozen () const

bool	isUsedAsProto () const

bool	isLocked () const

void	init (ExecutionEngine *engine)

void	init (InternalClass *other)

void	destroy ()

Q_QML_EXPORT ReturnedValue	keyAt (uint index) const

Q_REQUIRED_RESULT InternalClass *	nonExtensible ()

Q_REQUIRED_RESULT InternalClass *	locked ()

Q_REQUIRED_RESULT InternalClass *	addMember (PropertyKey identifier, PropertyAttributes data, InternalClassEntry *entry=nullptr)

Q_REQUIRED_RESULT InternalClass *	changeMember (PropertyKey identifier, PropertyAttributes data, InternalClassEntry *entry=nullptr)

PropertyHash::Entry *	findEntry (const PropertyKey id)

InternalClassEntry	find (const PropertyKey id)

IndexAndAttribute	findValueOrGetter (const PropertyKey id)

IndexAndAttribute	findValueOrSetter (const PropertyKey id)

uint	indexOfValueOrGetter (const PropertyKey id)

bool	verifyIndex (const PropertyKey id, uint index)

Q_REQUIRED_RESULT InternalClass *	sealed ()

Q_REQUIRED_RESULT InternalClass *	frozen ()

Q_REQUIRED_RESULT InternalClass *	canned ()

Q_REQUIRED_RESULT InternalClass *	cryopreserved ()

bool	isImplicitlyFrozen () const

Q_REQUIRED_RESULT InternalClass *	asProtoClass ()

Q_REQUIRED_RESULT InternalClass *	changeVTable (const VTable *vt)

Q_REQUIRED_RESULT InternalClass *	changePrototype (Heap::Object *proto)

void	updateProtoUsage (Heap::Object *o)

Public Member Functions inherited from QV4::Heap::Base
void *	operator new (size_t)=delete

ReturnedValue	asReturnedValue () const

void	mark (QV4::MarkStack *markStack)

bool	isMarked () const

void	setMarkBit ()

bool	inUse () const

void *	operator new (size_t, Managed *m)

void *	operator new (size_t, Base *m)

void	operator delete (void , Base )

void	init ()

void	destroy ()

Q_ALWAYS_INLINE void	_checkIsInitialized ()

Q_ALWAYS_INLINE void	_checkIsDestroyed ()

Q_ALWAYS_INLINE void	_setInitialized ()

Q_ALWAYS_INLINE void	_setDestroyed ()

Static Public Member Functions
static void	addMember (QV4::Object object, PropertyKey id, PropertyAttributes data, InternalClassEntry entry)

static void	changeMember (QV4::Object object, PropertyKey id, PropertyAttributes data, InternalClassEntry entry=nullptr)

static void	removeMember (QV4::Object *object, PropertyKey identifier)

static void	markObjects (Heap::Base ic, MarkStack stack)

Static Public Member Functions inherited from QV4::Heap::Base
static void	markObjects (Base , MarkStack )

Public Attributes
ExecutionEngine *	engine

const VTable *	vtable

quintptr	protoId

Heap::Object *	prototype

InternalClass *	parent

PropertyHash	propertyTable

SharedInternalClassData< PropertyKey >	nameMap

SharedInternalClassData< PropertyAttributes >	propertyData

QVarLengthArray< Transition, 1 >	transitions

uint	size

quint8	numRedundantTransitions

quint8	flags

Public Attributes inherited from QV4::Heap::Base
Pointer< InternalClass *, 0 >	internalClass

Friends
struct	::QV4::ExecutionEngine

Detailed Description

Definition at line 316 of file qv4internalclass_p.h.

Member Typedef Documentation

◆ Transition

typedef InternalClassTransition QV4::Heap::InternalClass::Transition

Definition at line 336 of file qv4internalclass_p.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
MaxRedundantTransitions

Definition at line 324 of file qv4internalclass_p.h.

◆ Flag

enum QV4::Heap::InternalClass::Flag

Enumerator
NotExtensible
Sealed
Frozen
UsedAsProto
Locked

Definition at line 317 of file qv4internalclass_p.h.

Member Function Documentation

◆ addMember() [1/2]

Heap::InternalClass * QV4::Heap::InternalClass::addMember	(	PropertyKey	identifier,
		PropertyAttributes	data,
		InternalClassEntry *	entry = nullptr )

Definition at line 572 of file qv4internalclass.cpp.

References changeMember(), findEntry(), QV4::PropertyKey::isStringOrSymbol(), and Q_ASSERT.

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◆ addMember() [2/2]

void QV4::Heap::InternalClass::addMember	(	QV4::Object *	object,
		PropertyKey	id,
		PropertyAttributes	data,
		InternalClassEntry *	entry )

static

Definition at line 557 of file qv4internalclass.cpp.

References changeMember(), QV4::Heap::Base::internalClass, and Q_ASSERT.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), QV4::InternalClass::addMember(), and QV4::Object::insertMember().

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◆ asProtoClass()

Heap::InternalClass * QV4::Heap::InternalClass::asProtoClass ( )

Definition at line 743 of file qv4internalclass.cpp.

References engine, flags, QV4::PropertyKey::invalid(), isUsedAsProto(), lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), QV4::InternalClassTransition::ProtoClass, Q_ASSERT, and UsedAsProto.

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◆ canned()

InternalClass * QV4::Heap::InternalClass::canned ( )

Definition at line 711 of file qv4internalclass.cpp.

References engine, and sealed().

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◆ changeMember() [1/2]

Heap::InternalClass * QV4::Heap::InternalClass::changeMember	(	PropertyKey	identifier,
		PropertyAttributes	data,
		InternalClassEntry *	entry = nullptr )

Definition at line 426 of file qv4internalclass.cpp.

References QV4::Heap::addDummyEntry(), QV4::Heap::cleanInternalClass(), engine, findEntry(), QV4::PropertyHash::Entry::index, lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), propertyData, Q_ASSERT, QV4::PropertyHash::Entry::setterIndex, and size.

Referenced by addMember(), addMember(), QV4::InternalClass::changeMember(), changeMember(), removeMember(), and QV4::ArrayObject::virtualDefineOwnProperty().

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◆ changeMember() [2/2]

void QV4::Heap::InternalClass::changeMember	(	QV4::Object *	object,
		PropertyKey	id,
		PropertyAttributes	data,
		InternalClassEntry *	entry = nullptr )

static

Definition at line 303 of file qv4internalclass.cpp.

References changeMember(), QV4::Heap::Base::internalClass, and Q_ASSERT.

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◆ changePrototype()

Q_REQUIRED_RESULT InternalClass * QV4::Heap::InternalClass::changePrototype ( Heap::Object * proto )

inline

Definition at line 466 of file qv4internalclass_p.h.

References prototype.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), QV4::InternalClass::changePrototype(), QV4::ErrorObject::create(), QV4::ErrorObject::create(), QV4::ErrorObject::create(), QV4::StringPrototype::init(), and QV4::Object::virtualSetPrototypeOf().

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◆ changeVTable()

Q_REQUIRED_RESULT InternalClass * QV4::Heap::InternalClass::changeVTable ( const VTable * vt )

inline

Definition at line 461 of file qv4internalclass_p.h.

References vtable.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), and QV4::InternalClass::changeVTable().

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◆ cryopreserved()

InternalClass * QV4::Heap::InternalClass::cryopreserved ( )

Definition at line 719 of file qv4internalclass.cpp.

References engine, and frozen().

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◆ destroy()

void QV4::Heap::InternalClass::destroy ( )

Definition at line 270 of file qv4internalclass.cpp.

References QV4::PropertyHash::~PropertyHash(), QV4::Heap::Base::destroy(), engine, QV4::Heap::Base::isMarked(), nameMap, parent, propertyData, propertyTable, Q_ASSERT, and transitions.

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◆ find()

InternalClassEntry QV4::Heap::InternalClass::find ( const PropertyKey id )

inline

Definition at line 374 of file qv4internalclass_p.h.

References QV4::Attr_Invalid, QV4::PropertyHash::Entry::index, QV4::PropertyHash::lookup(), propertyData, propertyTable, Q_ASSERT, and QV4::PropertyHash::Entry::setterIndex.

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◆ findEntry()

PropertyHash::Entry * QV4::Heap::InternalClass::findEntry ( const PropertyKey id )

inline

Definition at line 363 of file qv4internalclass_p.h.

References QV4::PropertyHash::Entry::index, QV4::PropertyHash::lookup(), propertyTable, and Q_ASSERT.

Referenced by addMember(), and changeMember().

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◆ findValueOrGetter()

IndexAndAttribute QV4::Heap::InternalClass::findValueOrGetter ( const PropertyKey id )

inline

Definition at line 394 of file qv4internalclass_p.h.

References QV4::Attr_Invalid, QV4::PropertyHash::Entry::index, QV4::PropertyHash::lookup(), propertyData, propertyTable, and Q_ASSERT.

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◆ findValueOrSetter()

IndexAndAttribute QV4::Heap::InternalClass::findValueOrSetter ( const PropertyKey id )

inline

Definition at line 408 of file qv4internalclass_p.h.

References QV4::Attr_Invalid, QV4::PropertyHash::Entry::index, QV4::PropertyHash::lookup(), propertyData, propertyTable, Q_ASSERT, and QV4::PropertyHash::Entry::setterIndex.

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◆ frozen()

Heap::InternalClass * QV4::Heap::InternalClass::frozen ( )

Definition at line 679 of file qv4internalclass.cpp.

References attrs, engine, QV4::InternalClassTransition::Frozen, Frozen, i, QV4::PropertyKey::invalid(), isFrozen(), lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), propertyData, Q_ASSERT, and size.

Referenced by cryopreserved().

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◆ indexOfValueOrGetter()

uint QV4::Heap::InternalClass::indexOfValueOrGetter ( const PropertyKey id )

inline

Definition at line 427 of file qv4internalclass_p.h.

References QV4::PropertyHash::Entry::index, QV4::PropertyHash::lookup(), propertyData, propertyTable, and Q_ASSERT.

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◆ init() [1/2]

void QV4::Heap::InternalClass::init ( ExecutionEngine * engine )

Definition at line 221 of file qv4internalclass.cpp.

References engine, QV4::Heap::Base::init(), QV4::Heap::Base::internalClass, nameMap, QV4::ExecutionEngine::newProtoId(), propertyData, propertyTable, protoId, transitions, and vtable.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), and QV4::ExecutionEngine::newClass().

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◆ init() [2/2]

void QV4::Heap::InternalClass::init ( Heap::InternalClass * other )

Definition at line 245 of file qv4internalclass.cpp.

References engine, QV4::Heap::Base::init(), QV4::Heap::Base::internalClass, QV4::WriteBarrier::isInsertionBarrier, QV4::WriteBarrier::markCustom(), nameMap, QV4::ExecutionEngine::newProtoId(), numRedundantTransitions, other(), parent, propertyData, propertyTable, protoId, prototype, transitions, and vtable.

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◆ isExtensible()

bool QV4::Heap::InternalClass::isExtensible ( ) const

inline

Definition at line 344 of file qv4internalclass_p.h.

References NotExtensible.

Referenced by nonExtensible(), and QV4::Object::virtualSetPrototypeOf().

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◆ isFrozen()

bool QV4::Heap::InternalClass::isFrozen ( ) const

inline

Definition at line 346 of file qv4internalclass_p.h.

References Frozen.

Referenced by freeze_recursive(), frozen(), isImplicitlyFrozen(), and sealed().

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◆ isImplicitlyFrozen()

bool QV4::Heap::InternalClass::isImplicitlyFrozen ( ) const

Definition at line 727 of file qv4internalclass.cpp.

References attrs, i, isFrozen(), propertyData, and size.

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◆ isLocked()

bool QV4::Heap::InternalClass::isLocked ( ) const

inline

Definition at line 348 of file qv4internalclass_p.h.

References Locked.

Referenced by locked(), QV4::ExecutionEngine::lockObject(), and QV4::Object::virtualSetPrototypeOf().

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◆ isSealed()

bool QV4::Heap::InternalClass::isSealed ( ) const

inline

Definition at line 345 of file qv4internalclass_p.h.

References Sealed.

Referenced by sealed().

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◆ isUsedAsProto()

bool QV4::Heap::InternalClass::isUsedAsProto ( ) const

inline

Definition at line 347 of file qv4internalclass_p.h.

References UsedAsProto.

Referenced by asProtoClass(), and updateProtoUsage().

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◆ keyAt()

ReturnedValue QV4::Heap::InternalClass::keyAt ( uint index ) const

Definition at line 292 of file qv4internalclass.cpp.

References nameMap, Q_ASSERT, and QV4::Encode::undefined().

Referenced by QV4DataCollector::collectScope().

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◆ locked()

InternalClass * QV4::Heap::InternalClass::locked ( )

Definition at line 539 of file qv4internalclass.cpp.

References engine, flags, QV4::PropertyKey::invalid(), isLocked(), QV4::InternalClassTransition::Locked, Locked, lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), and Q_ASSERT.

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◆ lookupOrInsertTransition()

InternalClassTransition & QV4::Heap::InternalClass::lookupOrInsertTransition ( const InternalClassTransition & t )

Definition at line 312 of file qv4internalclass.cpp.

References it, and transitions.

Referenced by asProtoClass(), changeMember(), frozen(), locked(), nonExtensible(), and sealed().

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◆ markObjects()

void QV4::Heap::InternalClass::markObjects	(	Heap::Base *	ic,
		MarkStack *	stack )

static

Definition at line 781 of file qv4internalclass.cpp.

References QV4::Heap::Base::mark(), nameMap, parent, and prototype.

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◆ nonExtensible()

Heap::InternalClass * QV4::Heap::InternalClass::nonExtensible ( )

Definition at line 521 of file qv4internalclass.cpp.

References engine, flags, QV4::PropertyKey::invalid(), isExtensible(), lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), QV4::InternalClassTransition::NotExtensible, NotExtensible, and Q_ASSERT.

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◆ removeMember()

void QV4::Heap::InternalClass::removeMember	(	QV4::Object *	object,
		PropertyKey	identifier )

static

Definition at line 630 of file qv4internalclass.cpp.

References QV4::Attr_Invalid, changeMember(), QV4::Heap::Base::internalClass, and Q_ASSERT.

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◆ sealed()

Heap::InternalClass * QV4::Heap::InternalClass::sealed ( )

Definition at line 647 of file qv4internalclass.cpp.

References attrs, engine, i, QV4::PropertyKey::invalid(), isFrozen(), isSealed(), lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), propertyData, Q_ASSERT, QV4::InternalClassTransition::Sealed, Sealed, and size.

Referenced by canned().

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◆ updateProtoUsage()

void QV4::Heap::InternalClass::updateProtoUsage ( Heap::Object * o )

Definition at line 772 of file qv4internalclass.cpp.

References QV4::EngineBase::Class_Empty, engine, QV4::EngineBase::internalClasses(), isUsedAsProto(), o, prototype, Q_ASSERT, and QV4::Heap::updateProtoUsage().

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◆ verifyIndex()

bool QV4::Heap::InternalClass::verifyIndex	(	const PropertyKey	id,
		uint	index )

inline

Definition at line 440 of file qv4internalclass_p.h.

References QV4::PropertyHash::Entry::index, QV4::PropertyHash::lookup(), propertyData, propertyTable, and Q_ASSERT.

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Friends And Related Symbol Documentation

◆ ::QV4::ExecutionEngine

friend struct ::QV4::ExecutionEngine

friend

Definition at line 482 of file qv4internalclass_p.h.

Member Data Documentation

◆ engine

◆ flags

quint8 QV4::Heap::InternalClass::flags

Definition at line 342 of file qv4internalclass_p.h.

Referenced by asProtoClass(), locked(), and nonExtensible().

◆ nameMap

SharedInternalClassData<PropertyKey> QV4::Heap::InternalClass::nameMap

Definition at line 333 of file qv4internalclass_p.h.

Referenced by QV4::Heap::addDummyEntry(), destroy(), freeze_recursive(), init(), init(), QV4::ExecutionEngine::initializeGlobal(), keyAt(), and markObjects().

◆ numRedundantTransitions

quint8 QV4::Heap::InternalClass::numRedundantTransitions

Definition at line 341 of file qv4internalclass_p.h.

Referenced by QV4::Heap::cleanInternalClass(), and init().

◆ parent

InternalClass* QV4::Heap::InternalClass::parent

Definition at line 330 of file qv4internalclass_p.h.

Referenced by QV4::Heap::cleanInternalClass(), destroy(), init(), and markObjects().

◆ propertyData

SharedInternalClassData<PropertyAttributes> QV4::Heap::InternalClass::propertyData

Definition at line 334 of file qv4internalclass_p.h.

Referenced by QV4::Heap::addDummyEntry(), changeMember(), destroy(), find(), findValueOrGetter(), findValueOrSetter(), frozen(), indexOfValueOrGetter(), init(), init(), isImplicitlyFrozen(), sealed(), and verifyIndex().

◆ propertyTable

PropertyHash QV4::Heap::InternalClass::propertyTable

Definition at line 332 of file qv4internalclass_p.h.

Referenced by QV4::Heap::addDummyEntry(), destroy(), find(), findEntry(), findValueOrGetter(), findValueOrSetter(), indexOfValueOrGetter(), init(), init(), and verifyIndex().

◆ protoId

quintptr QV4::Heap::InternalClass::protoId

Definition at line 328 of file qv4internalclass_p.h.

Referenced by init(), init(), and QV4::Heap::updateProtoUsage().

◆ prototype

Heap::Object* QV4::Heap::InternalClass::prototype

Definition at line 329 of file qv4internalclass_p.h.

Referenced by QV4::Runtime::CallProperty::call(), changePrototype(), init(), markObjects(), updateProtoUsage(), QV4::Heap::updateProtoUsage(), and QV4::Object::virtualSetPrototypeOf().

◆ size

uint QV4::Heap::InternalClass::size

Definition at line 340 of file qv4internalclass_p.h.

Referenced by QV4::Heap::addDummyEntry(), QV4::MemoryManager::allocateObject(), changeMember(), QV4DataCollector::collectScope(), freeze_recursive(), frozen(), isImplicitlyFrozen(), QV4::ExecutionContext::newBlockContext(), and sealed().

◆ transitions

QVarLengthArray<Transition, 1> QV4::Heap::InternalClass::transitions

Definition at line 337 of file qv4internalclass_p.h.

Referenced by destroy(), init(), init(), lookupOrInsertTransition(), and QV4::Heap::updateProtoUsage().

◆ vtable

const VTable* QV4::Heap::InternalClass::vtable

Definition at line 327 of file qv4internalclass_p.h.

Referenced by QV4::MemoryManager::allocManaged(), changeVTable(), init(), and init().

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

qtdeclarative/src/qml/jsruntime/qv4internalclass_p.h (2adc2443bbb4d41ee75f9c97be6c3c441dfbecdd)
qtdeclarative/src/qml/jsruntime/qv4internalclass.cpp (2adc2443bbb4d41ee75f9c97be6c3c441dfbecdd)

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ Transition

Member Enumeration Documentation

◆ anonymous enum

◆ Flag

Member Function Documentation

◆ addMember() [1/2]

◆ addMember() [2/2]

◆ asProtoClass()

◆ canned()

◆ changeMember() [1/2]

◆ changeMember() [2/2]

◆ changePrototype()

◆ changeVTable()

◆ cryopreserved()

◆ destroy()

◆ find()

◆ findEntry()

◆ findValueOrGetter()

◆ findValueOrSetter()

◆ frozen()

◆ indexOfValueOrGetter()

◆ init() [1/2]

◆ init() [2/2]

◆ isExtensible()

◆ isFrozen()

◆ isImplicitlyFrozen()

◆ isLocked()

◆ isSealed()

◆ isUsedAsProto()

◆ keyAt()

◆ locked()

◆ lookupOrInsertTransition()

◆ markObjects()

◆ nonExtensible()

◆ removeMember()

◆ sealed()

◆ updateProtoUsage()

◆ verifyIndex()

Friends And Related Symbol Documentation

◆ ::QV4::ExecutionEngine

Member Data Documentation

◆ engine

◆ flags

◆ nameMap

◆ numRedundantTransitions

◆ parent

◆ propertyData

◆ propertyTable

◆ protoId

◆ prototype

◆ size

◆ transitions

◆ vtable