From a2be5f0c15218b0177d73b17d9bcb7589965d685 Mon Sep 17 00:00:00 2001 From: peter Date: Sun, 1 Jun 2008 00:03:21 +0000 Subject: Reorganize the gcc vendor import work area. This flattens out a bunch of unnecessary path components that are relics of cvs2svn. (These are directory moves) --- libstdc++/include/bits/allocator.h | 153 +++++++++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 libstdc++/include/bits/allocator.h (limited to 'libstdc++/include/bits/allocator.h') diff --git a/libstdc++/include/bits/allocator.h b/libstdc++/include/bits/allocator.h new file mode 100644 index 0000000..43939c1 --- /dev/null +++ b/libstdc++/include/bits/allocator.h @@ -0,0 +1,153 @@ +// Allocators -*- C++ -*- + +// Copyright (C) 2001, 2002, 2003, 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. + +/* + * Copyright (c) 1996-1997 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +/** @file allocator.h + * This is an internal header file, included by other library headers. + * You should not attempt to use it directly. + */ + +#ifndef _ALLOCATOR_H +#define _ALLOCATOR_H 1 + +// Define the base class to std::allocator. +#include + +#include // for __is_empty + +_GLIBCXX_BEGIN_NAMESPACE(std) + + template + class allocator; + + /// allocator specialization. + template<> + class allocator + { + public: + typedef size_t size_type; + typedef ptrdiff_t difference_type; + typedef void* pointer; + typedef const void* const_pointer; + typedef void value_type; + + template + struct rebind + { typedef allocator<_Tp1> other; }; + }; + + /** + * @brief The "standard" allocator, as per [20.4]. + * + * Further details: + * http://gcc.gnu.org/onlinedocs/libstdc++/20_util/allocator.html + */ + template + class allocator: public __glibcxx_base_allocator<_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; + + template + struct rebind + { typedef allocator<_Tp1> other; }; + + allocator() throw() { } + + allocator(const allocator& __a) throw() + : __glibcxx_base_allocator<_Tp>(__a) { } + + template + allocator(const allocator<_Tp1>&) throw() { } + + ~allocator() throw() { } + + // Inherit everything else. + }; + + template + inline bool + operator==(const allocator<_T1>&, const allocator<_T2>&) + { return true; } + + template + inline bool + operator!=(const allocator<_T1>&, const allocator<_T2>&) + { return false; } + + // Inhibit implicit instantiations for required instantiations, + // which are defined via explicit instantiations elsewhere. + // NB: This syntax is a GNU extension. +#if _GLIBCXX_EXTERN_TEMPLATE + extern template class allocator; + extern template class allocator; +#endif + + // Undefine. +#undef __glibcxx_base_allocator + + // To implement Option 3 of DR 431. + template::__value> + struct __alloc_swap + { static void _S_do_it(_Alloc&, _Alloc&) { } }; + + template + struct __alloc_swap<_Alloc, false> + { + static void + _S_do_it(_Alloc& __one, _Alloc& __two) + { + // Precondition: swappable allocators. + if (__one != __two) + swap(__one, __two); + } + }; + +_GLIBCXX_END_NAMESPACE + +#endif -- cgit v1.1