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Diffstat (limited to 'contrib/libstdc++/include/ext/array_allocator.h')
| -rw-r--r-- | contrib/libstdc++/include/ext/array_allocator.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/contrib/libstdc++/include/ext/array_allocator.h b/contrib/libstdc++/include/ext/array_allocator.h deleted file mode 100644 index 0bbd97a2d0949..0000000000000 --- a/contrib/libstdc++/include/ext/array_allocator.h +++ /dev/null @@ -1,149 +0,0 @@ -// array allocator -*- C++ -*- - -// Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 2, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -/** @file ext/array_allocator.h - * This file is a GNU extension to the Standard C++ Library. - */ - -#ifndef _ARRAY_ALLOCATOR_H -#define _ARRAY_ALLOCATOR_H 1 - -#include <cstddef> -#include <new> -#include <bits/functexcept.h> -#include <tr1/array> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - using std::size_t; - using std::ptrdiff_t; - - /// @brief Base class. - template<typename _Tp> - class array_allocator_base - { - public: - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef _Tp* pointer; - typedef const _Tp* const_pointer; - typedef _Tp& reference; - typedef const _Tp& const_reference; - typedef _Tp value_type; - - pointer - address(reference __x) const { return &__x; } - - const_pointer - address(const_reference __x) const { return &__x; } - - void - deallocate(pointer, size_type) - { - // Does nothing. - } - - size_type - max_size() const throw() - { return size_t(-1) / sizeof(_Tp); } - - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 402. wrong new expression in [some_] allocator::construct - void - construct(pointer __p, const _Tp& __val) - { ::new(__p) value_type(__val); } - - void - destroy(pointer __p) { __p->~_Tp(); } - }; - - /** - * @brief An allocator that uses previously allocated memory. - * This memory can be externally, globally, or otherwise allocated. - */ - template<typename _Tp, typename _Array = std::tr1::array<_Tp, 1> > - class array_allocator : public array_allocator_base<_Tp> - { - public: - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef _Tp* pointer; - typedef const _Tp* const_pointer; - typedef _Tp& reference; - typedef const _Tp& const_reference; - typedef _Tp value_type; - typedef _Array array_type; - - private: - array_type* _M_array; - size_type _M_used; - - public: - template<typename _Tp1, typename _Array1 = _Array> - struct rebind - { typedef array_allocator<_Tp1, _Array1> other; }; - - array_allocator(array_type* __array = NULL) throw() - : _M_array(__array), _M_used(size_type()) { } - - array_allocator(const array_allocator& __o) throw() - : _M_array(__o._M_array), _M_used(__o._M_used) { } - - template<typename _Tp1, typename _Array1> - array_allocator(const array_allocator<_Tp1, _Array1>&) throw() - : _M_array(NULL), _M_used(size_type()) { } - - ~array_allocator() throw() { } - - pointer - allocate(size_type __n, const void* = 0) - { - if (_M_array == 0 || _M_used + __n > _M_array->size()) - std::__throw_bad_alloc(); - pointer __ret = _M_array->begin() + _M_used; - _M_used += __n; - return __ret; - } - }; - - template<typename _Tp, typename _Array> - inline bool - operator==(const array_allocator<_Tp, _Array>&, - const array_allocator<_Tp, _Array>&) - { return true; } - - template<typename _Tp, typename _Array> - inline bool - operator!=(const array_allocator<_Tp, _Array>&, - const array_allocator<_Tp, _Array>&) - { return false; } - -_GLIBCXX_END_NAMESPACE - -#endif |