uLang::CArenaAllocator Class Reference

#include <ArenaAllocator.h>

Inheritance diagram for uLang::CArenaAllocator:

Classes
struct	SArenaHeader
	Header of an arena, the allocated memory follows. More...

Public Member Functions
UE_API	CArenaAllocator (uint32_t ArenaSize)
UE_API	~CArenaAllocator ()
UE_API void	Merge (CArenaAllocator &&Other)
void *	Allocate (uint32_t NumBytes)
UE_API void	DeallocateAll ()
Public Member Functions inherited from uLang::CAllocatorInstance
	CAllocatorInstance (FAllocate Allocate, FReallocate Reallocate, FDeallocate Deallocate)
	Use the memory address of this object to seed the observer id generator.
ULANG_FORCEINLINE void *	Allocate (size_t NumBytes) const
ULANG_FORCEINLINE void *	Reallocate (void *Memory, size_t NumBytes) const
ULANG_FORCEINLINE void	Deallocate (void *Memory) const
ULANG_FORCEINLINE EObserverId	GenerateObserverId ()

Protected Types
enum	{ Alignment = 8 }

Protected Member Functions
UE_API void	AllocateNewArena ()

Static Protected Member Functions
static UE_API void *	Allocate (const CAllocatorInstance *This, size_t NumBytes)
static UE_API void *	Reallocate (const CAllocatorInstance *This, void *Memory, size_t NumBytes)
static UE_API void	Deallocate (const CAllocatorInstance *This, void *Memory)

Protected Attributes
SArenaHeader *	_First
	The first in the list of arenas.
const uint32_t	_ArenaSize
	Memory in each arena, in bytes.
uint32_t	_BytesLeftInFirstArena
	How much memory is available in the first arena.

Additional Inherited Members
Public Types inherited from uLang::CAllocatorInstance
using	FAllocate = void *(*)(const CAllocatorInstance *, size_t)
using	FReallocate = void *(*)(const CAllocatorInstance *, void *, size_t)
using	FDeallocate = void(*)(const CAllocatorInstance *, void *)

Detailed Description

Allocates from a series of arenas Memory blocks can not be individually deallocated Deleting this allocator will free all allocated memory NOT thread safe (on purpose, for efficiency)

Member Enumeration Documentation

anonymous enum

anonymous enum

protected

Enumerator
Alignment

Constructor & Destructor Documentation

CArenaAllocator()

uLang::CArenaAllocator::CArenaAllocator

(

uint32_t

ArenaSize

)

~CArenaAllocator()

uLang::CArenaAllocator::~CArenaAllocator

(

)

Member Function Documentation

Allocate() [1/2]

void * uLang::CArenaAllocator::Allocate ( const CAllocatorInstance *  This, size_t  NumBytes  )

staticprotected

Allocate() [2/2]

ULANG_FORCEINLINE void * uLang::CArenaAllocator::Allocate

(

uint32_t

NumBytes

)

AllocateNewArena()

void uLang::CArenaAllocator::AllocateNewArena ( )

protected

Deallocate()

void uLang::CArenaAllocator::Deallocate ( const CAllocatorInstance *  This, void *  Memory  )

staticprotected

DeallocateAll()

void uLang::CArenaAllocator::DeallocateAll

(

)

Merge()

void uLang::CArenaAllocator::Merge

(

CArenaAllocator &&

Other

)

Reallocate()

void * uLang::CArenaAllocator::Reallocate ( const CAllocatorInstance *  This, void *  Memory, size_t  NumBytes  )

staticprotected

Member Data Documentation

_ArenaSize

const uint32_t uLang::CArenaAllocator::_ArenaSize

protected

Memory in each arena, in bytes.

_BytesLeftInFirstArena

uint32_t uLang::CArenaAllocator::_BytesLeftInFirstArena

protected

How much memory is available in the first arena.

_First

SArenaHeader* uLang::CArenaAllocator::_First

protected

The first in the list of arenas.

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

• Engine/Source/Runtime/Solaris/uLangCore/Public/uLang/Common/Memory/ArenaAllocator.h
• Engine/Source/Runtime/Solaris/uLangCore/Private/uLang/Common/Memory/ArenaAllocator.cpp