QV4::HeapItem Struct Reference

#include <qv4mmdefs_p.h>

Collaboration diagram for QV4::HeapItem:

Public Member Functions
	operator Heap::Base * ()
template<typename T >
T *	as ()
Chunk *	chunk () const
bool	isBlack () const
bool	isInUse () const
void	setAllocatedSlots (size_t nSlots)
size_t	size () const

Public Attributes
union {
struct {
HeapItem *   next
size_t   availableSlots
}   freeData
quint64   payload [Chunk::SlotSize/sizeof(quint64)]
};

Detailed Description

Definition at line 160 of file qv4mmdefs_p.h.

Member Function Documentation

as()

template<typename T >

T * QV4::HeapItem::as ( )

inline

Definition at line 171 of file qv4mmdefs_p.h.

Referenced by QV4::MemoryManager::allocObjectWithMemberData().

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chunk()

Chunk * QV4::HeapItem::chunk ( ) const

inline

Definition at line 173 of file qv4mmdefs_p.h.

References QV4::Chunk::ChunkShift.

Referenced by QV4::MemoryManager::allocObjectWithMemberData(), QV4::freeHugeChunk(), isBlack(), isInUse(), setAllocatedSlots(), and size().

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isBlack()

bool QV4::HeapItem::isBlack ( ) const

inline

Definition at line 177 of file qv4mmdefs_p.h.

References chunk(), and QV4::Chunk::testBit().

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isInUse()

bool QV4::HeapItem::isInUse ( ) const

inline

Definition at line 182 of file qv4mmdefs_p.h.

References chunk(), and QV4::Chunk::testBit().

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operator Heap::Base *()

QV4::HeapItem::operator Heap::Base * ( )

inline

Definition at line 168 of file qv4mmdefs_p.h.

setAllocatedSlots()

void QV4::HeapItem::setAllocatedSlots ( size_t  nSlots )

inline

Definition at line 188 of file qv4mmdefs_p.h.

References chunk(), QV4::Chunk::setBit(), and QV4::Chunk::setBits().

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size()

size_t QV4::HeapItem::size ( ) const

inline

Definition at line 201 of file qv4mmdefs_p.h.

References chunk(), QV4::Chunk::NumSlots, Q_ASSERT, and QV4::Chunk::testBit().

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Member Data Documentation

[union]

union { ... } QV4::HeapItem

availableSlots

size_t QV4::HeapItem::availableSlots

Definition at line 164 of file qv4mmdefs_p.h.

Referenced by QV4::BlockAllocator::allocate(), QV4::dumpBins(), and QV4::Chunk::sortIntoBins().

[struct]

struct { ... } QV4::HeapItem::freeData

Referenced by QV4::BlockAllocator::allocate(), QV4::dumpBins(), and QV4::Chunk::sortIntoBins().

next

HeapItem* QV4::HeapItem::next

Definition at line 163 of file qv4mmdefs_p.h.

Referenced by QV4::BlockAllocator::allocate(), and QV4::Chunk::sortIntoBins().

payload

quint64 QV4::HeapItem::payload[Chunk::SlotSize/sizeof(quint64)]

Definition at line 166 of file qv4mmdefs_p.h.

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

• qtdeclarative/src/qml/memory/qv4mmdefs_p.h