1 // Safe container implementation -*- C++ -*- 2 3 // Copyright (C) 2011 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file debug/safe_unordered_container.h 26 * This file is a GNU debug extension to the Standard C++ Library. 27 */ 28 29 #ifndef _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_H 30 #define _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_H 1 31 32 #include <debug/debug.h> 33 #include <debug/macros.h> 34 #include <debug/functions.h> 35 #include <debug/safe_unordered_base.h> 36 37 namespace __gnu_debug 38 { 39 /** 40 * @brief Base class for constructing a @a safe unordered container type 41 * that tracks iterators that reference it. 42 * 43 * The class template %_Safe_unordered_container simplifies the 44 * construction of @a safe unordered containers that track the iterators 45 * that reference the container, so that the iterators are notified of 46 * changes in the container that may affect their operation, e.g., if 47 * the container invalidates its iterators or is destructed. This class 48 * template may only be used by deriving from it and passing the name 49 * of the derived class as its template parameter via the curiously 50 * recurring template pattern. The derived class must have @c 51 * iterator and @c const_iterator types that are instantiations of 52 * class template _Safe_iterator for this container and @c local_iterator 53 * and @c const_local_iterator types that are instantiations of class 54 * template _Safe_local_iterator for this container. Iterators will 55 * then be tracked automatically. 56 */ 57 template<typename _Container> 58 class _Safe_unordered_container : public _Safe_unordered_container_base 59 { 60 public: 61 /** Invalidates all iterators @c x that reference this container, 62 are not singular, and for which @c __pred(x) returns @c 63 true. @c __pred will be invoked with the normal iterators nested 64 in the safe ones. */ 65 template<typename _Predicate> 66 void 67 _M_invalidate_if(_Predicate __pred); 68 69 /** Invalidates all local iterators @c x that reference this container, 70 are not singular, and for which @c __pred(x) returns @c 71 true. @c __pred will be invoked with the normal ilocal iterators 72 nested in the safe ones. */ 73 template<typename _Predicate> 74 void 75 _M_invalidate_local_if(_Predicate __pred); 76 }; 77 } // namespace __gnu_debug 78 79 #include <debug/safe_unordered_container.tcc> 80 81 #endif 82