stack_allocator.hpp

// Copyright (c) 2016 Lukasz Laszko
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#pragma once

#include <boost/memory/alignment.hpp>
#include <boost/memory/memory_block.hpp>
#include <boost/memory/null_allocator.hpp>

#include <cstdint>


namespace boost { namespace memory {

template <std::size_t capacity, std::size_t alignment=NO_ALIGNMENT>
class stack_allocator
{
public:
    memory_block allocate(std::size_t size);
    
    void deallocate(memory_block& block);

    bool owns(memory_block& block) const noexcept;

private:
    std::uint8_t reserved_block_[capacity];
    std::uint8_t* current_ { align_forward<alignment>(reserved_block_) };
};

} }

#include "stack_allocator.ipp"