StackArena< Size > Class Template Reference

Storage area allocated on the stack and usable by a StackAllocator. More...

#include <stack_allocator.hpp>

Classes
union	AlignmentHelper
	union to enforce alignment of buffer area More...

Public Member Functions
	StackArena () noexcept
	default constructor: free pointer at the beginning. More...
	~StackArena ()
	destructor clears ptr_ for debugging. More...
	StackArena (const StackArena &)=delete
StackArena &	operator= (const StackArena &)=delete
char *	allocate (size_t n)
void	deallocate (char *p, size_t n) noexcept
size_t	used () const noexcept
	return number of bytes used in StackArena More...
void	reset () noexcept
	reset memory area More...

Static Public Member Functions
static constexpr size_t	size () noexcept
	size of memory area More...

Private Member Functions
bool	pointer_in_buffer (char *p) noexcept
	debug method to check whether ptr_ is still in buf_. More...

Private Attributes
union {
char   buf_ [Size]
	stack memory area used for allocations. More...
AlignmentHelper   dummy_for_alignment_
	enforce alignment More...
};
char *	ptr_
	pointer into free bytes in buf_ More...

Static Private Attributes
static constexpr size_t	alignment

Detailed Description

template<size_t Size>
class tlx::StackArena< Size >

Storage area allocated on the stack and usable by a StackAllocator.

Definition at line 32 of file stack_allocator.hpp.

Constructor & Destructor Documentation

StackArena ( )

inlinenoexcept

default constructor: free pointer at the beginning.

Definition at line 64 of file stack_allocator.hpp.

~StackArena ( )

inline

destructor clears ptr_ for debugging.

Definition at line 67 of file stack_allocator.hpp.

StackArena ( const StackArena< Size > &  )

delete

Member Function Documentation

char* allocate ( size_t  n )

inline

Definition at line 72 of file stack_allocator.hpp.

void deallocate ( char *  p, size_t  n  )

inlinenoexcept

Definition at line 88 of file stack_allocator.hpp.

StackArena& operator= ( const StackArena< Size > &  )

delete

bool pointer_in_buffer ( char *  p )

inlineprivatenoexcept

debug method to check whether ptr_ is still in buf_.

Definition at line 59 of file stack_allocator.hpp.

void reset ( )

inlinenoexcept

reset memory area

Definition at line 110 of file stack_allocator.hpp.

static constexpr size_t size ( )

inlinestaticnoexcept

size of memory area

Definition at line 104 of file stack_allocator.hpp.

size_t used ( ) const

inlinenoexcept

return number of bytes used in StackArena

Definition at line 107 of file stack_allocator.hpp.

Member Data Documentation

union { ... }

constexpr size_t alignment

staticprivate

Definition at line 34 of file stack_allocator.hpp.

char buf_[Size]

stack memory area used for allocations.

Definition at line 50 of file stack_allocator.hpp.

AlignmentHelper dummy_for_alignment_

enforce alignment

Definition at line 52 of file stack_allocator.hpp.

char* ptr_

private

pointer into free bytes in buf_

Definition at line 56 of file stack_allocator.hpp.

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

• tlx/stack_allocator.hpp