#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_PRIVATE_EXPORT QString	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

std::vector< Transition >	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 297 of file qv4internalclass_p.h.

Member Typedef Documentation

◆ Transition

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

Definition at line 317 of file qv4internalclass_p.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
MaxRedundantTransitions

Definition at line 305 of file qv4internalclass_p.h.

◆ Flag

enum QV4::Heap::InternalClass::Flag

Enumerator
NotExtensible
Sealed
Frozen
UsedAsProto
Locked

Definition at line 298 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 553 of file qv4internalclass.cpp.

References changeMember(), e, 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 538 of file qv4internalclass.cpp.

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

Referenced by QV4::ExecutionEngine::ExecutionEngine(), QV4::Object::insertMember(), and QV4::Function::updateInternalClass().

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◆ asProtoClass()

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

Definition at line 724 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 692 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 411 of file qv4internalclass.cpp.

References QV4::Heap::addDummyEntry(), QV4::Heap::cleanInternalClass(), e, engine, findEntry(), lookupOrInsertTransition(), QV4::ExecutionEngine::newClass(), propertyData, Q_ASSERT, and size.

Referenced by addMember(), addMember(), 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 288 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 447 of file qv4internalclass_p.h.

References prototype.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), 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 442 of file qv4internalclass_p.h.

References vtable.

Referenced by QV4::ExecutionEngine::ExecutionEngine().

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◆ cryopreserved()

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

Definition at line 700 of file qv4internalclass.cpp.

References engine, and frozen().

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◆ destroy()

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

Definition at line 261 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 355 of file qv4internalclass_p.h.

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

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◆ findEntry()

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

inline

Definition at line 344 of file qv4internalclass_p.h.

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

Referenced by addMember(), changeMember(), and removeMember().

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◆ findValueOrGetter()

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

inline

Definition at line 375 of file qv4internalclass_p.h.

References QV4::Attr_Invalid, e, 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 389 of file qv4internalclass_p.h.

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

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◆ frozen()

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

Definition at line 660 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 408 of file qv4internalclass_p.h.

References e, 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 217 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 241 of file qv4internalclass.cpp.

References engine, QV4::Heap::Base::init(), QV4::Heap::Base::internalClass, 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 325 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 327 of file qv4internalclass_p.h.

References Frozen.

Referenced by freeze_recursive(), frozen(), isImplicitlyFrozen(), sealed(), and QV4::QObjectWrapper::virtualPut().

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◆ isImplicitlyFrozen()

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

Definition at line 708 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 329 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 326 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 328 of file qv4internalclass_p.h.

References UsedAsProto.

Referenced by asProtoClass(), and updateProtoUsage().

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◆ keyAt()

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

Definition at line 283 of file qv4internalclass.cpp.

References nameMap.

Referenced by QV4DataCollector::collectScope(), and QV4::Module::virtualOwnPropertyKeys().

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◆ locked()

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

Definition at line 520 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 297 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 762 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 502 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 611 of file qv4internalclass.cpp.

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

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◆ sealed()

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

Definition at line 628 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 753 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 421 of file qv4internalclass_p.h.

References e, 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 463 of file qv4internalclass_p.h.

Member Data Documentation

◆ engine

ExecutionEngine* QV4::Heap::InternalClass::engine

◆ flags

quint8 QV4::Heap::InternalClass::flags

Definition at line 323 of file qv4internalclass_p.h.

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

◆ nameMap

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

Definition at line 314 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 322 of file qv4internalclass_p.h.

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

◆ parent

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

Definition at line 311 of file qv4internalclass_p.h.

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

◆ propertyData

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

Definition at line 315 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 313 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 309 of file qv4internalclass_p.h.

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

◆ prototype

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

Definition at line 310 of file qv4internalclass_p.h.

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

◆ size

uint QV4::Heap::InternalClass::size

Definition at line 321 of file qv4internalclass_p.h.

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

◆ transitions

std::vector<Transition> QV4::Heap::InternalClass::transitions

Definition at line 318 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 308 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
qtdeclarative/src/qml/jsruntime/qv4internalclass.cpp

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