119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
// Debugging support implementation -*- C++ -*-
|
|
|
|
// Copyright (C) 2015-2020 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 debug/stl_iterator.h
|
|
* This file is a GNU debug extension to the Standard C++ Library.
|
|
*/
|
|
|
|
#ifndef _GLIBCXX_DEBUG_STL_ITERATOR_H
|
|
#define _GLIBCXX_DEBUG_STL_ITERATOR_H 1
|
|
|
|
#include <debug/helper_functions.h>
|
|
|
|
namespace __gnu_debug
|
|
{
|
|
// Help Debug mode to see through reverse_iterator.
|
|
template<typename _Iterator>
|
|
inline bool
|
|
__valid_range(const std::reverse_iterator<_Iterator>& __first,
|
|
const std::reverse_iterator<_Iterator>& __last,
|
|
typename _Distance_traits<_Iterator>::__type& __dist)
|
|
{ return __valid_range(__last.base(), __first.base(), __dist); }
|
|
|
|
template<typename _Iterator>
|
|
inline typename _Distance_traits<_Iterator>::__type
|
|
__get_distance(const std::reverse_iterator<_Iterator>& __first,
|
|
const std::reverse_iterator<_Iterator>& __last)
|
|
{ return __get_distance(__last.base(), __first.base()); }
|
|
|
|
template<typename _Iterator, typename _Size>
|
|
inline bool
|
|
__can_advance(const std::reverse_iterator<_Iterator>& __it, _Size __n)
|
|
{ return __can_advance(__it.base(), -__n); }
|
|
|
|
template<typename _Iterator, typename _Sequence>
|
|
inline std::reverse_iterator<_Iterator>
|
|
__base(const std::reverse_iterator<_Safe_iterator<
|
|
_Iterator, _Sequence, std::random_access_iterator_tag> >& __it)
|
|
{ return std::reverse_iterator<_Iterator>(__it.base().base()); }
|
|
|
|
#if __cplusplus < 201103L
|
|
template<typename _Iterator>
|
|
struct _Unsafe_type<std::reverse_iterator<_Iterator> >
|
|
{
|
|
typedef typename _Unsafe_type<_Iterator>::_Type _UnsafeType;
|
|
typedef std::reverse_iterator<_UnsafeType> _Type;
|
|
};
|
|
|
|
template<typename _Iterator>
|
|
inline std::reverse_iterator<typename _Unsafe_type<_Iterator>::_Type>
|
|
__unsafe(const std::reverse_iterator<_Iterator>& __it)
|
|
{
|
|
typedef typename _Unsafe_type<_Iterator>::_Type _UnsafeType;
|
|
return std::reverse_iterator<_UnsafeType>(__unsafe(__it.base()));
|
|
}
|
|
#else
|
|
template<typename _Iterator>
|
|
inline auto
|
|
__unsafe(const std::reverse_iterator<_Iterator>& __it)
|
|
-> decltype(std::__make_reverse_iterator(__unsafe(__it.base())))
|
|
{ return std::__make_reverse_iterator(__unsafe(__it.base())); }
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
// Help Debug mode to see through move_iterator.
|
|
template<typename _Iterator>
|
|
inline bool
|
|
__valid_range(const std::move_iterator<_Iterator>& __first,
|
|
const std::move_iterator<_Iterator>& __last,
|
|
typename _Distance_traits<_Iterator>::__type& __dist)
|
|
{ return __valid_range(__first.base(), __last.base(), __dist); }
|
|
|
|
template<typename _Iterator>
|
|
inline typename _Distance_traits<_Iterator>::__type
|
|
__get_distance(const std::move_iterator<_Iterator>& __first,
|
|
const std::move_iterator<_Iterator>& __last)
|
|
{ return __get_distance(__first.base(), __last.base()); }
|
|
|
|
template<typename _Iterator, typename _Size>
|
|
inline bool
|
|
__can_advance(const std::move_iterator<_Iterator>& __it, _Size __n)
|
|
{ return __can_advance(__it.base(), __n); }
|
|
|
|
template<typename _Iterator>
|
|
inline auto
|
|
__unsafe(const std::move_iterator<_Iterator>& __it)
|
|
-> decltype(std::make_move_iterator(__unsafe(__it.base())))
|
|
{ return std::make_move_iterator(__unsafe(__it.base())); }
|
|
|
|
template<typename _Iterator>
|
|
inline auto
|
|
__base(const std::move_iterator<_Iterator>& __it)
|
|
-> decltype(std::make_move_iterator(__base(__it.base())))
|
|
{ return std::make_move_iterator(__base(__it.base())); }
|
|
#endif
|
|
}
|
|
|
|
#endif
|