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Diffstat (limited to 'contrib/libstdc++/include/tr1/tuple_iterate.h')
| -rw-r--r-- | contrib/libstdc++/include/tr1/tuple_iterate.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/contrib/libstdc++/include/tr1/tuple_iterate.h b/contrib/libstdc++/include/tr1/tuple_iterate.h new file mode 100644 index 000000000000..42ddf54b78aa --- /dev/null +++ b/contrib/libstdc++/include/tr1/tuple_iterate.h @@ -0,0 +1,172 @@ +// class template tuple -*- 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 tr1/tuple_iterate.h + * This is an internal header file, included by other library headers. + * You should not attempt to use it directly. + */ + +// Chris Jefferson <chris@bubblescope.net> + +namespace std +{ +_GLIBCXX_BEGIN_NAMESPACE(tr1) + +/// @brief class tuple_size +template<_GLIBCXX_TEMPLATE_PARAMS> + struct tuple_size<tuple<_GLIBCXX_TEMPLATE_ARGS> > + { static const int value = _GLIBCXX_NUM_ARGS; }; + +#if _GLIBCXX_NUM_ARGS > 0 +template<_GLIBCXX_TEMPLATE_PARAMS> + const int tuple_size<tuple<_GLIBCXX_TEMPLATE_ARGS> >::value; +#endif + +template<_GLIBCXX_TEMPLATE_PARAMS> +#ifdef _GLIBCXX_LAST_INCLUDE + class tuple +#else + class tuple<_GLIBCXX_TEMPLATE_ARGS> +#endif + { + _GLIBCXX_BIND_MEMBERS + + public: + tuple() + { } + +#if _GLIBCXX_NUM_ARGS == 2 + template<typename _U1, typename _U2> + tuple(const std::pair<_U1, _U2>& __u) : + _M_arg1(__u.first), _M_arg2(__u.second) + { } + + template<typename _U1, typename _U2> + tuple& + operator=(const std::pair<_U1, _U2>& __u) + { + _M_arg1 = __u.first; + _M_arg2 = __u.second; + return *this; + } +#endif + +#if _GLIBCXX_NUM_ARGS > 0 + explicit tuple(_GLIBCXX_TUPLE_ADD_CREF) : + _GLIBCXX_BIND_MEMBERS_INIT + { } + + template<_GLIBCXX_TEMPLATE_PARAMS_U> + tuple(const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __in) : + _GLIBCXX_TUPLE_COPY_INIT + { } + + + template<_GLIBCXX_TEMPLATE_PARAMS_U> + tuple& + operator=(const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __in) + { + _GLIBCXX_TUPLE_ASSIGN + return *this; + } + + tuple(const tuple& __in) : + _GLIBCXX_TUPLE_COPY_INIT + { } + +#else + + tuple(const tuple&) + { } + +#endif + + tuple& + operator=(const tuple& __in __attribute__((__unused__)) ) + { + _GLIBCXX_TUPLE_ASSIGN + return *this; + } + + template<int __i, typename __Type> + friend class __get_helper; + + template<_GLIBCXX_TUPLE_ALL_TEMPLATE_PARAMS_UNNAMED> + friend class tuple; + }; + +#ifndef _GLIBCXX_LAST_INCLUDE + +template<typename _Tp> + struct __get_helper<_GLIBCXX_NUM_ARGS, _Tp> + { + static typename __add_ref<typename tuple_element<_GLIBCXX_NUM_ARGS, + _Tp>::type>::type + get_value(_Tp& __in) + { return __in._GLIBCXX_CAT(_M_arg,_GLIBCXX_NUM_ARGS_PLUS_1); } + + static typename __add_c_ref<typename tuple_element<_GLIBCXX_NUM_ARGS, + _Tp>::type>::type + get_value(const _Tp& __in) + { return __in._GLIBCXX_CAT(_M_arg,_GLIBCXX_NUM_ARGS_PLUS_1); } + }; + +/// @brief class tuple_element +template<_GLIBCXX_TUPLE_ALL_TEMPLATE_PARAMS> + struct tuple_element<_GLIBCXX_NUM_ARGS, tuple<_GLIBCXX_TUPLE_ALL_TEMPLATE_ARGS> > + { typedef _GLIBCXX_T_NUM_ARGS_PLUS_1 type; }; + +#endif +#if _GLIBCXX_NUM_ARGS == 0 + +tuple<> +inline make_tuple() +{ return tuple<>(); } + +tuple<> +inline tie() +{ return tuple<>(); } +#else + +template<_GLIBCXX_TEMPLATE_PARAMS> + typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::__type + inline make_tuple(_GLIBCXX_PARAMS) + { + return typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>:: + __type(_GLIBCXX_ARGS); + } + +template<_GLIBCXX_TEMPLATE_PARAMS> + tuple<_GLIBCXX_REF_TEMPLATE_ARGS> + inline tie(_GLIBCXX_REF_PARAMS) + { return make_tuple(_GLIBCXX_REF_WRAP_PARAMS); } +#endif + +_GLIBCXX_END_NAMESPACE +} |