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File Content: `safe_iterator.tcc`

// Debugging iterator implementation (out of line) -*- C++ -*-

// Copyright (C) 2003-2013 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/safe_iterator.tcc
 *  This file is a GNU debug extension to the Standard C++ Library.
 */

#ifndef _GLIBCXX_DEBUG_SAFE_ITERATOR_TCC
#define _GLIBCXX_DEBUG_SAFE_ITERATOR_TCC 1

namespace __gnu_debug
{
  template<typename _Iterator, typename _Sequence>
    bool
    _Safe_iterator<_Iterator, _Sequence>::
    _M_can_advance(const difference_type& __n) const
    {
      typedef typename _Sequence::const_iterator const_debug_iterator;
      typedef typename const_debug_iterator::iterator_type const_iterator;

      if (this->_M_singular())
	return false;
      if (__n == 0)
	return true;
      if (__n < 0)
	{
	  const_iterator __begin = _M_get_sequence()->_M_base().begin();
	  std::pair<difference_type, _Distance_precision> __dist =
	    __get_distance(__begin, base());
	  bool __ok =  ((__dist.second == __dp_exact && __dist.first >= -__n)
			|| (__dist.second != __dp_exact && __dist.first > 0));
	  return __ok;
	}
      else
	{
	  const_iterator __end = _M_get_sequence()->_M_base().end();
	  std::pair<difference_type, _Distance_precision> __dist =
	    __get_distance(base(), __end);
	  bool __ok = ((__dist.second == __dp_exact && __dist.first >= __n)
		       || (__dist.second != __dp_exact && __dist.first > 0));
	  return __ok;
	}
    }

  template<typename _Iterator, typename _Sequence>
    template<typename _Other>
      bool
      _Safe_iterator<_Iterator, _Sequence>::
      _M_valid_range(const _Safe_iterator<_Other, _Sequence>& __rhs) const
      {
	if (!_M_can_compare(__rhs))
	  return false;

	/* Determine if we can order the iterators without the help of
	   the container */
	std::pair<difference_type, _Distance_precision> __dist =
	  __get_distance(base(), __rhs.base());
	switch (__dist.second) {
	case __dp_equality:
	  if (__dist.first == 0)
	    return true;
	  break;

	case __dp_sign:
	case __dp_exact:
	  return __dist.first >= 0;
	}

	/* We can only test for equality, but check if one of the
	   iterators is at an extreme. */
	/* Optim for classic [begin, it) or [it, end) ranges, limit checks
	 * when code is valid.  Note, for the special case of forward_list,
	 * before_begin replaces the role of begin.  */ 
	if (_M_is_beginnest() || __rhs._M_is_end())
	  return true;
	if (_M_is_end() || __rhs._M_is_beginnest())
	  return false;

	// Assume that this is a valid range; we can't check anything else
	return true;
      }
} // namespace __gnu_debug

#endif

Name	Size	Permission
array	8885 bytes	0644
bitset	11914 bytes	0644
debug.h	5354 bytes	0644
deque	14434 bytes	0644
formatter.h	13238 bytes	0644
forward_list	23480 bytes	0644
functions.h	15450 bytes	0644
list	19612 bytes	0644
macros.h	15775 bytes	0644
map	1318 bytes	0644
map.h	14600 bytes	0644
multimap.h	14265 bytes	0644
multiset.h	13646 bytes	0644
safe_base.h	8771 bytes	0644
safe_iterator.h	23968 bytes	0644
safe_iterator.tcc	3526 bytes	0644
safe_local_iterator.h	12577 bytes	0644
safe_local_iterator.tcc	2454 bytes	0644
safe_sequence.h	4540 bytes	0644
safe_sequence.tcc	4863 bytes	0644
safe_unordered_base.h	6936 bytes	0644
safe_unordered_container.h	3318 bytes	0644
safe_unordered_container.tcc	3263 bytes	0644
set	1318 bytes	0644
set.h	13778 bytes	0644
string	32374 bytes	0644
unordered_map	26672 bytes	0644
unordered_set	25924 bytes	0644
vector	17984 bytes	0644

File Content: safe_iterator.tcc

File Content: `safe_iterator.tcc`