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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_types.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_types.hpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_types.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_types.hpp new file mode 100644 index 000000000..aac1397dd --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/basic_types.hpp @@ -0,0 +1,211 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 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/>. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file basic_types.hpp + * Contains basic types used by containers. + */ + +#ifndef PB_DS_BASIC_TYPES_HPP +#define PB_DS_BASIC_TYPES_HPP + +#include <algorithm> +#include <utility> +#include <ext/pb_ds/tag_and_trait.hpp> +#include <ext/pb_ds/detail/type_utils.hpp> + +namespace __gnu_pbds +{ + namespace detail + { + template<typename Key, typename Mapped, typename Allocator, bool Store_Hash> + struct value_type_base; + + /** + * Specialization of value_type_base for the case where the hash value + * is not stored alongside each value. + **/ + template<typename Key, typename Mapped, typename Allocator> + struct value_type_base<Key, Mapped, Allocator, false> + { + typedef typename Allocator::template rebind<Mapped>::other mapped_type_allocator; + typedef typename mapped_type_allocator::value_type mapped_type; + typedef typename mapped_type_allocator::pointer mapped_pointer; + typedef typename mapped_type_allocator::const_pointer const_mapped_pointer; + typedef typename mapped_type_allocator::reference mapped_reference; + typedef typename mapped_type_allocator::const_reference const_mapped_reference; + + typedef typename Allocator::template rebind<std::pair<const Key, Mapped> >::other value_type_allocator; + typedef typename value_type_allocator::value_type value_type; + typedef typename value_type_allocator::pointer pointer; + typedef typename value_type_allocator::const_pointer const_pointer; + typedef typename value_type_allocator::reference reference; + typedef typename value_type_allocator::const_reference const_reference; + + struct stored_value_type + { + value_type m_value; + }; + }; + + /** + * Specialization of value_type_base for the case where the hash value + * is stored alongside each value. + **/ + template<typename Key, typename Mapped, typename Allocator> + struct value_type_base<Key, Mapped, Allocator, true> + { + typedef typename Allocator::template rebind<Mapped>::other mapped_type_allocator; + typedef typename mapped_type_allocator::value_type mapped_type; + typedef typename mapped_type_allocator::pointer mapped_pointer; + typedef typename mapped_type_allocator::const_pointer const_mapped_pointer; + typedef typename mapped_type_allocator::reference mapped_reference; + typedef typename mapped_type_allocator::const_reference const_mapped_reference; + + typedef typename Allocator::template rebind<std::pair<const Key, Mapped> >::other value_type_allocator; + typedef typename value_type_allocator::value_type value_type; + typedef typename value_type_allocator::pointer pointer; + typedef typename value_type_allocator::const_pointer const_pointer; + typedef typename value_type_allocator::reference reference; + typedef typename value_type_allocator::const_reference const_reference; + + struct stored_value_type + { + value_type m_value; + typename Allocator::size_type m_hash; + }; + }; + +#define PB_DS_CLASS_T_DEC \ + template<typename Key, typename Allocator> + +#define PB_DS_CLASS_C_DEC \ + value_type_base<Key, null_mapped_type, Allocator, false> + + /** + * Specialization of value_type_base for the case where the hash value + * is not stored alongside each value. + **/ + template<typename Key, typename Allocator> + struct value_type_base<Key, null_mapped_type, Allocator, false> + { + typedef typename Allocator::template rebind<null_mapped_type>::other mapped_type_allocator; + typedef typename mapped_type_allocator::value_type mapped_type; + typedef typename mapped_type_allocator::pointer mapped_pointer; + typedef typename mapped_type_allocator::const_pointer const_mapped_pointer; + typedef typename mapped_type_allocator::reference mapped_reference; + typedef typename mapped_type_allocator::const_reference const_mapped_reference; + + typedef Key value_type; + + typedef typename Allocator::template rebind<value_type>::other value_type_allocator; + typedef typename value_type_allocator::pointer pointer; + typedef typename value_type_allocator::const_pointer const_pointer; + typedef typename value_type_allocator::reference reference; + typedef typename value_type_allocator::const_reference const_reference; + + struct stored_value_type + { + value_type m_value; + }; + + static null_mapped_type s_null_mapped; + }; + + PB_DS_CLASS_T_DEC + null_mapped_type PB_DS_CLASS_C_DEC::s_null_mapped; + +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_CLASS_C_DEC + +#define PB_DS_CLASS_T_DEC \ + template<typename Key, typename Allocator> + +#define PB_DS_CLASS_C_DEC \ + value_type_base<Key, null_mapped_type, Allocator, true> + + /** + * Specialization of value_type_base for the case where the hash value + * is stored alongside each value. + **/ + template<typename Key, typename Allocator> + struct value_type_base<Key, null_mapped_type, Allocator, true> + { + typedef typename Allocator::template rebind<null_mapped_type>::other mapped_type_allocator; + typedef typename mapped_type_allocator::value_type mapped_type; + typedef typename mapped_type_allocator::pointer mapped_pointer; + typedef typename mapped_type_allocator::const_pointer const_mapped_pointer; + typedef typename mapped_type_allocator::reference mapped_reference; + typedef typename mapped_type_allocator::const_reference const_mapped_reference; + + typedef Key value_type; + + typedef typename Allocator::template rebind<value_type>::other value_type_allocator; + typedef typename value_type_allocator::pointer pointer; + typedef typename value_type_allocator::const_pointer const_pointer; + typedef typename value_type_allocator::reference reference; + typedef typename value_type_allocator::const_reference const_reference; + + struct stored_value_type + { + value_type m_value; + typename Allocator::size_type m_hash; + }; + + static null_mapped_type s_null_mapped; + }; + + PB_DS_CLASS_T_DEC + null_mapped_type PB_DS_CLASS_C_DEC::s_null_mapped; + +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_CLASS_C_DEC + + template<typename Key, typename Mapped> + struct no_throw_copies + { + typedef integral_constant<int, is_simple<Key>::value && is_simple<Mapped>::value> indicator; + }; + + template<typename Key> + struct no_throw_copies<Key, null_mapped_type> + { + typedef integral_constant<int, is_simple<Key>::value> indicator; + }; + } // namespace detail +} // namespace __gnu_pbds + +#endif + |