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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/extptr_allocator.h')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/extptr_allocator.h | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/extptr_allocator.h b/gcc-4.4.3/libstdc++-v3/include/ext/extptr_allocator.h deleted file mode 100644 index fab6b1d85..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/extptr_allocator.h +++ /dev/null @@ -1,176 +0,0 @@ -// <extptr_allocator.h> -*- C++ -*- - -// Copyright (C) 2008, 2009 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 3, 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. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -/** - * @file ext/extptr_allocator.h - * @author Bob Walters - * - * An example allocator which uses an alternative pointer type from - * bits/pointer.h. Supports test cases which confirm container support - * for alternative pointers. - */ - -#ifndef _EXTPTR_ALLOCATOR_H -#define _EXTPTR_ALLOCATOR_H 1 - -#include <memory> -#include <limits> -#include <ext/pointer.h> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - /** - * @brief An example allocator which uses a non-standard pointer type. - * @ingroup allocators - * - * This allocator specifies that containers use a 'relative pointer' as it's - * pointer type. (See ext/pointer.h) Memory allocation in this example - * is still performed using std::allocator. - */ - template<typename _Tp> - class _ExtPtr_allocator - { - public: - typedef std::size_t size_type; - typedef std::ptrdiff_t difference_type; - - // Note the non-standard pointer types. - typedef _Pointer_adapter<_Relative_pointer_impl<_Tp> > pointer; - typedef _Pointer_adapter<_Relative_pointer_impl<const _Tp> > - const_pointer; - - typedef _Tp& reference; - typedef const _Tp& const_reference; - typedef _Tp value_type; - - template<typename _Up> - struct rebind - { typedef _ExtPtr_allocator<_Up> other; }; - - _ExtPtr_allocator() throw() - : _M_real_alloc() { } - - _ExtPtr_allocator(const _ExtPtr_allocator &__rarg) throw() - : _M_real_alloc(__rarg._M_real_alloc) { } - - template<typename _Up> - _ExtPtr_allocator(const _ExtPtr_allocator<_Up>& __rarg) throw() - : _M_real_alloc(__rarg._M_getUnderlyingImp()) { } - - ~_ExtPtr_allocator() throw() - { } - - pointer address(reference __x) const - { return &__x; } - - const_pointer address(const_reference __x) const - { return &__x; } - - pointer allocate(size_type __n, void* __hint = 0) - { return _M_real_alloc.allocate(__n,__hint); } - - void deallocate(pointer __p, size_type __n) - { _M_real_alloc.deallocate(__p.get(), __n); } - - size_type max_size() const throw() - { return std::numeric_limits<size_type>::max() / sizeof(_Tp); } - - void construct(pointer __p, const _Tp& __val) - { ::new(__p.get()) _Tp(__val); } - -#ifdef __GXX_EXPERIMENTAL_CXX0X__ - template<typename... _Args> - void - construct(pointer __p, _Args&&... __args) - { ::new(__p.get()) _Tp(std::forward<_Args>(__args)...); } -#endif - - void destroy(pointer __p) - { __p->~_Tp(); } - - template<typename _Up> - inline bool - operator==(const _ExtPtr_allocator<_Up>& __rarg) - { return _M_real_alloc == __rarg._M_getUnderlyingImp(); } - - inline bool - operator==(const _ExtPtr_allocator& __rarg) - { return _M_real_alloc == __rarg._M_real_alloc; } - - template<typename _Up> - inline bool - operator!=(const _ExtPtr_allocator<_Up>& __rarg) - { return _M_real_alloc != __rarg._M_getUnderlyingImp(); } - - inline bool - operator!=(const _ExtPtr_allocator& __rarg) - { return _M_real_alloc != __rarg._M_real_alloc; } - - template<typename _Up> - inline friend void - swap(_ExtPtr_allocator<_Up>&, _ExtPtr_allocator<_Up>&); - - // A method specific to this implementation. - const std::allocator<_Tp>& - _M_getUnderlyingImp() const - { return _M_real_alloc; } - - private: - std::allocator<_Tp> _M_real_alloc; - }; - - // _ExtPtr_allocator<void> specialization. - template<> - class _ExtPtr_allocator<void> - { - public: - typedef std::size_t size_type; - typedef std::ptrdiff_t difference_type; - typedef void value_type; - - // Note the non-standard pointer types - typedef _Pointer_adapter<_Relative_pointer_impl<void> > pointer; - typedef _Pointer_adapter<_Relative_pointer_impl<const void> > - const_pointer; - - template<typename _Up> - struct rebind - { typedef _ExtPtr_allocator<_Up> other; }; - - private: - std::allocator<void> _M_real_alloc; - }; - - template<typename _Tp> - inline void - swap(_ExtPtr_allocator<_Tp>& __larg, _ExtPtr_allocator<_Tp>& __rarg) - { - std::allocator<_Tp> __tmp( __rarg._M_real_alloc ); - __rarg._M_real_alloc = __larg._M_real_alloc; - __larg._M_real_alloc = __tmp; - } - -_GLIBCXX_END_NAMESPACE - -#endif /* _EXTPTR_ALLOCATOR_H */ |