#include <qv4mm_p.h>

Collaboration diagram for QV4::MemoryManager:

Public Types
enum	Blockness : quint8 { Unblocked , NormalBlocked , InCriticalSection }

Public Member Functions
	MemoryManager (ExecutionEngine *engine)
	~MemoryManager ()
template<typename ManagedType>
ManagedType::Data *	allocManaged (std::size_t size, Heap::InternalClass *ic)
template<typename ManagedType>
ManagedType::Data *	allocManaged (Heap::InternalClass *ic)
template<typename ManagedType>
ManagedType::Data *	allocManaged (std::size_t size, InternalClass *ic)
template<typename ManagedType>
ManagedType::Data *	allocManaged (InternalClass *ic)
template<typename ManagedType>
ManagedType::Data *	allocManaged (std::size_t size)
template<typename ManagedType>
ManagedType::Data *	allocManaged ()
template<typename ObjectType>
ObjectType::Data *	allocateObject (Heap::InternalClass *ic)
template<typename ObjectType>
ObjectType::Data *	allocateObject (InternalClass *ic)
template<typename ObjectType>
ObjectType::Data *	allocateObject ()
template<typename ManagedType, typename Arg1>
ManagedType::Data *	allocWithStringData (std::size_t unmanagedSize, Arg1 &&arg1)
template<typename ObjectType, typename... Args>
ObjectType::Data *	allocObject (Heap::InternalClass *ic, Args &&... args)
template<typename ObjectType, typename... Args>
ObjectType::Data *	allocObject (InternalClass *ic, Args &&... args)
template<typename ObjectType, typename... Args>
ObjectType::Data *	allocate (Args &&... args)
template<typename ManagedType, typename... Args>
ManagedType::Data *	alloc (Args &&... args)
void	runGC ()
bool	tryForceGCCompletion ()
void	runFullGC ()
void	dumpStats () const
size_t	getUsedMem () const
size_t	getAllocatedMem () const
size_t	getLargeItemsMem () const
void	changeUnmanagedHeapSizeUsage (qptrdiff delta)
void	updateUnmanagedHeapSizeGCLimit ()
template<typename ManagedType>
ManagedType::Data *	allocIC ()
void	registerWeakMap (Heap::MapObject *map)
void	registerWeakSet (Heap::SetObject *set)
void	onEventLoop ()
void	setGCTimeLimit (int timeMs)
MarkStack *	markStack ()
void	collectFromJSStack (MarkStack *markStack) const
void	sweep (bool lastSweep=false, ClassDestroyStatsCallback classCountPtr=nullptr)
void	cleanupDeletedQObjectWrappersInSweep ()
bool	isAboveUnmanagedHeapLimit ()

Static Public Member Functions
static constexpr std::size_t	align (std::size_t size)

Public Attributes
QV4::ExecutionEngine *	engine
ChunkAllocator *	chunkAllocator
BlockAllocator	blockAllocator
BlockAllocator	icAllocator
HugeItemAllocator	hugeItemAllocator
PersistentValueStorage *	m_persistentValues
PersistentValueStorage *	m_weakValues
QVector< Value * >	m_pendingFreedObjectWrapperValue
Heap::MapObject *	weakMaps = nullptr
Heap::SetObject *	weakSets = nullptr
std::unique_ptr< GCStateMachine >	gcStateMachine {nullptr}
std::unique_ptr< MarkStack >	m_markStack {nullptr}
std::size_t	unmanagedHeapSize = 0
std::size_t	unmanagedHeapSizeGCLimit
std::size_t	usedSlotsAfterLastFullSweep = 0
Blockness	gcBlocked = Unblocked
bool	aggressiveGC = false
bool	crossValidateIncrementalGC = false
bool	gcStats = false
bool	gcCollectorStats = false
int	allocationCount = 0
size_t	lastAllocRequestedSlots = 0
struct {
size_t maxReservedMem = 0
size_t maxAllocatedMem = 0
size_t maxUsedMem = 0
uint allocations [BlockAllocator::NumBins]
}	statistics

Protected Member Functions
Heap::Base *	allocString (std::size_t unmanagedSize)
	expects size to be aligned
Heap::Base *	allocData (std::size_t size)
Heap::Object *	allocObjectWithMemberData (const QV4::VTable *vtable, uint nMembers)

Friends
template<typename ToBeMarked>
struct	GCCriticalSection

Detailed Description

Definition at line 196 of file qv4mm_p.h.

Member Enumeration Documentation

◆ Blockness

enum QV4::MemoryManager::Blockness : quint8

Enumerator
Unblocked
NormalBlocked
InCriticalSection

Definition at line 443 of file qv4mm_p.h.

Constructor & Destructor Documentation

◆ MemoryManager()

QV4::MemoryManager::MemoryManager ( ExecutionEngine * engine )

Definition at line 962 of file qv4mm.cpp.

◆ ~MemoryManager()

QV4::MemoryManager::~MemoryManager ( )

Definition at line 1482 of file qv4mm.cpp.

Member Function Documentation

◆ align()

constexpr std::size_t QV4::MemoryManager::align ( std::size_t size )

inlinestaticconstexpr

Definition at line 209 of file qv4mm_p.h.

◆ alloc()

template<typename ManagedType, typename... Args>

ManagedType::Data * QV4::MemoryManager::alloc ( Args &&... args )

inline

Definition at line 329 of file qv4mm_p.h.

◆ allocate()

template<typename ObjectType, typename... Args>

ObjectType::Data * QV4::MemoryManager::allocate ( Args &&... args )

inline

Definition at line 320 of file qv4mm_p.h.

◆ allocateObject() [1/3]

template<typename ObjectType>

ObjectType::Data * QV4::MemoryManager::allocateObject ( )

inline

Definition at line 284 of file qv4mm_p.h.

◆ allocateObject() [2/3]

template<typename ObjectType>

ObjectType::Data * QV4::MemoryManager::allocateObject ( Heap::InternalClass * ic )

inline

Definition at line 268 of file qv4mm_p.h.

◆ allocateObject() [3/3]

template<typename ObjectType>

ObjectType::Data * QV4::MemoryManager::allocateObject ( InternalClass * ic )

inline

Definition at line 278 of file qv4mm_p.h.

◆ allocData()

Heap::Base * QV4::MemoryManager::allocData ( std::size_t size )

protected

Definition at line 1066 of file qv4mm.cpp.