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114 lines
4.2 KiB
C++
114 lines
4.2 KiB
C++
// Debugging support implementation -*- C++ -*-
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// Copyright (C) 2015-2016 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file debug/stl_iterator.h
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* This file is a GNU debug extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_DEBUG_STL_ITERATOR_H
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#define _GLIBCXX_DEBUG_STL_ITERATOR_H 1
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#include <debug/helper_functions.h>
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namespace __gnu_debug
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{
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// Help Debug mode to see through reverse_iterator.
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template<typename _Iterator>
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inline bool
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__valid_range(const std::reverse_iterator<_Iterator>& __first,
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const std::reverse_iterator<_Iterator>& __last,
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typename _Distance_traits<_Iterator>::__type& __dist)
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{ return __valid_range(__last.base(), __first.base(), __dist); }
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template<typename _Iterator>
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inline typename _Distance_traits<_Iterator>::__type
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__get_distance(const std::reverse_iterator<_Iterator>& __first,
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const std::reverse_iterator<_Iterator>& __last)
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{ return __get_distance(__last.base(), __first.base()); }
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#if __cplusplus < 201103L
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template<typename _Iterator>
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struct __is_safe_random_iterator<std::reverse_iterator<_Iterator> >
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: __is_safe_random_iterator<_Iterator>
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{ };
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template<typename _Iterator>
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struct _Unsafe_type<std::reverse_iterator<_Iterator> >
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{
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typedef typename _Unsafe_type<_Iterator>::_Type _UnsafeType;
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typedef std::reverse_iterator<_UnsafeType> _Type;
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};
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template<typename _Iterator>
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inline std::reverse_iterator<typename _Unsafe_type<_Iterator>::_Type>
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__unsafe(const std::reverse_iterator<_Iterator>& __it)
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{
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typedef typename _Unsafe_type<_Iterator>::_Type _UnsafeType;
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return std::reverse_iterator<_UnsafeType>(__unsafe(__it.base()));
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}
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#else
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template<typename _Iterator>
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inline auto
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__base(const std::reverse_iterator<_Iterator>& __it)
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-> decltype(std::__make_reverse_iterator(__base(__it.base())))
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{ return std::__make_reverse_iterator(__base(__it.base())); }
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template<typename _Iterator>
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inline auto
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__unsafe(const std::reverse_iterator<_Iterator>& __it)
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-> decltype(std::__make_reverse_iterator(__unsafe(__it.base())))
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{ return std::__make_reverse_iterator(__unsafe(__it.base())); }
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#endif
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#if __cplusplus >= 201103L
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// Help Debug mode to see through move_iterator.
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template<typename _Iterator>
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inline bool
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__valid_range(const std::move_iterator<_Iterator>& __first,
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const std::move_iterator<_Iterator>& __last,
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typename _Distance_traits<_Iterator>::__type& __dist)
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{ return __valid_range(__first.base(), __last.base(), __dist); }
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template<typename _Iterator>
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inline typename _Distance_traits<_Iterator>::__type
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__get_distance(const std::move_iterator<_Iterator>& __first,
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const std::move_iterator<_Iterator>& __last)
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{ return __get_distance(__first.base(), __last.base()); }
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template<typename _Iterator>
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inline auto
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__unsafe(const std::move_iterator<_Iterator>& __it)
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-> decltype(std::make_move_iterator(__unsafe(__it.base())))
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{ return std::make_move_iterator(__unsafe(__it.base())); }
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template<typename _Iterator>
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inline auto
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__base(const std::move_iterator<_Iterator>& __it)
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-> decltype(std::make_move_iterator(__base(__it.base())))
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{ return std::make_move_iterator(__base(__it.base())); }
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#endif
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}
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#endif
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