#include <allocator.h>

Public Member Functions
virtual	~Allocator ()

virtual uint8_t *	allocate (size_t size)=0

virtual void	deallocate (uint8_t *p, size_t size)=0

virtual uint8_t *	reallocate_downward (uint8_t *old_p, size_t old_size, size_t new_size, size_t in_use_back, size_t in_use_front)

Protected Member Functions
void	memcpy_downward (uint8_t old_p, size_t old_size, uint8_t new_p, size_t new_size, size_t in_use_back, size_t in_use_front)

Detailed Description

Definition at line 26 of file allocator.h.

Constructor & Destructor Documentation

◆ ~Allocator()

virtual flatbuffers::Allocator::~Allocator ( )

inlinevirtual

Definition at line 28 of file allocator.h.

28{}

Member Function Documentation

◆ allocate()

virtual uint8_t * flatbuffers::Allocator::allocate ( size_t size )

pure virtual

Implemented in flatbuffers::DefaultAllocator, and flatbuffers::grpc::SliceAllocator.

Referenced by reallocate_downward().

◆ deallocate()

virtual void flatbuffers::Allocator::deallocate	(	uint8_t *	p,
		size_t	size
	)

pure virtual

Implemented in flatbuffers::grpc::SliceAllocator, and flatbuffers::DefaultAllocator.

Referenced by reallocate_downward().

◆ memcpy_downward()

void flatbuffers::Allocator::memcpy_downward	(	uint8_t *	old_p,
		size_t	old_size,
		uint8_t *	new_p,
		size_t	new_size,
		size_t	in_use_back,
		size_t	in_use_front
	)

inlineprotected

Definition at line 57 of file allocator.h.

                                            {
    memcpy(new_p + new_size - in_use_back, old_p + old_size - in_use_back,
           in_use_back);
    memcpy(new_p, old_p, in_use_front);
  }

Referenced by reallocate_downward(), and flatbuffers::grpc::SliceAllocator::reallocate_downward().

◆ reallocate_downward()

virtual uint8_t * flatbuffers::Allocator::reallocate_downward	(	uint8_t *	old_p,
		size_t	old_size,
		size_t	new_size,
		size_t	in_use_back,
		size_t	in_use_front
	)

inlinevirtual

Reimplemented in flatbuffers::grpc::SliceAllocator.

Definition at line 41 of file allocator.h.

                                                            {
    FLATBUFFERS_ASSERT(new_size > old_size);  // vector_downward only grows
    uint8_t *new_p = allocate(new_size);
    memcpy_downward(old_p, old_size, new_p, new_size, in_use_back,
                    in_use_front);
    deallocate(old_p, old_size);
    return new_p;
  }

References allocate(), deallocate(), FLATBUFFERS_ASSERT, and memcpy_downward().

Referenced by flatbuffers::ReallocateDownward().

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

onert-micro/externals/flatbuffers/allocator.h

Public Member Functions

Protected Member Functions