1*38fd1498Szrj // Debugging iterator implementation (out of line) -*- C++ -*- 2*38fd1498Szrj 3*38fd1498Szrj // Copyright (C) 2011-2018 Free Software Foundation, Inc. 4*38fd1498Szrj // 5*38fd1498Szrj // This file is part of the GNU ISO C++ Library. This library is free 6*38fd1498Szrj // software; you can redistribute it and/or modify it under the 7*38fd1498Szrj // terms of the GNU General Public License as published by the 8*38fd1498Szrj // Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj // any later version. 10*38fd1498Szrj 11*38fd1498Szrj // This library is distributed in the hope that it will be useful, 12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj // GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj // 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj // You should have received a copy of the GNU General Public License and 21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj // <http://www.gnu.org/licenses/>. 24*38fd1498Szrj 25*38fd1498Szrj /** @file debug/safe_local_iterator.tcc 26*38fd1498Szrj * This file is a GNU debug extension to the Standard C++ Library. 27*38fd1498Szrj */ 28*38fd1498Szrj 29*38fd1498Szrj #ifndef _GLIBCXX_DEBUG_SAFE_LOCAL_ITERATOR_TCC 30*38fd1498Szrj #define _GLIBCXX_DEBUG_SAFE_LOCAL_ITERATOR_TCC 1 31*38fd1498Szrj 32*38fd1498Szrj namespace __gnu_debug 33*38fd1498Szrj { 34*38fd1498Szrj template<typename _Iterator, typename _Sequence> 35*38fd1498Szrj bool 36*38fd1498Szrj _Safe_local_iterator<_Iterator, _Sequence>:: _M_valid_range(const _Safe_local_iterator & __rhs,std::pair<difference_type,_Distance_precision> & __dist) const37*38fd1498Szrj _M_valid_range(const _Safe_local_iterator& __rhs, 38*38fd1498Szrj std::pair<difference_type, _Distance_precision>& __dist) const 39*38fd1498Szrj { 40*38fd1498Szrj if (!_M_can_compare(__rhs)) 41*38fd1498Szrj return false; 42*38fd1498Szrj 43*38fd1498Szrj if (bucket() != __rhs.bucket()) 44*38fd1498Szrj return false; 45*38fd1498Szrj 46*38fd1498Szrj /* Determine if we can order the iterators without the help of 47*38fd1498Szrj the container */ 48*38fd1498Szrj __dist = __get_distance(*this, __rhs); 49*38fd1498Szrj switch (__dist.second) 50*38fd1498Szrj { 51*38fd1498Szrj case __dp_equality: 52*38fd1498Szrj if (__dist.first == 0) 53*38fd1498Szrj return true; 54*38fd1498Szrj break; 55*38fd1498Szrj 56*38fd1498Szrj case __dp_sign: 57*38fd1498Szrj case __dp_exact: 58*38fd1498Szrj return __dist.first >= 0; 59*38fd1498Szrj } 60*38fd1498Szrj 61*38fd1498Szrj // Assume that this is a valid range; we can't check anything else 62*38fd1498Szrj return true; 63*38fd1498Szrj } 64*38fd1498Szrj } // namespace __gnu_debug 65*38fd1498Szrj 66*38fd1498Szrj #endif 67