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Diffstat (limited to 'contrib/libstdc++/include/debug/safe_sequence.h')
| -rw-r--r-- | contrib/libstdc++/include/debug/safe_sequence.h | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/contrib/libstdc++/include/debug/safe_sequence.h b/contrib/libstdc++/include/debug/safe_sequence.h deleted file mode 100644 index b5d6cce320dc..000000000000 --- a/contrib/libstdc++/include/debug/safe_sequence.h +++ /dev/null @@ -1,188 +0,0 @@ -// Safe sequence implementation -*- C++ -*- - -// Copyright (C) 2003, 2004, 2005, 2006 -// 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 2, 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. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -/** @file debug/safe_sequence.h - * This file is a GNU debug extension to the Standard C++ Library. - */ - -#ifndef _GLIBCXX_DEBUG_SAFE_SEQUENCE_H -#define _GLIBCXX_DEBUG_SAFE_SEQUENCE_H 1 - -#include <debug/debug.h> -#include <debug/macros.h> -#include <debug/functions.h> -#include <debug/safe_base.h> - -namespace __gnu_debug -{ - template<typename _Iterator, typename _Sequence> - class _Safe_iterator; - - /** A simple function object that returns true if the passed-in - * value is not equal to the stored value. It saves typing over - * using both bind1st and not_equal. - */ - template<typename _Type> - class _Not_equal_to - { - _Type __value; - - public: - explicit _Not_equal_to(const _Type& __v) : __value(__v) { } - - bool - operator()(const _Type& __x) const - { return __value != __x; } - }; - - /** A function object that returns true when the given random access - iterator is at least @c n steps away from the given iterator. */ - template<typename _Iterator> - class _After_nth_from - { - typedef typename std::iterator_traits<_Iterator>::difference_type - difference_type; - - _Iterator _M_base; - difference_type _M_n; - - public: - _After_nth_from(const difference_type& __n, const _Iterator& __base) - : _M_base(__base), _M_n(__n) { } - - bool - operator()(const _Iterator& __x) const - { return __x - _M_base >= _M_n; } - }; - - /** - * @brief Base class for constructing a "safe" sequence type that - * tracks iterators that reference it. - * - * The class template %_Safe_sequence simplifies the construction of - * "safe" sequences that track the iterators that reference the - * sequence, so that the iterators are notified of changes in the - * sequence that may affect their operation, e.g., if the container - * invalidates its iterators or is destructed. This class template - * may only be used by deriving from it and passing the name of the - * derived class as its template parameter via the curiously - * recurring template pattern. The derived class must have @c - * iterator and @const_iterator types that are instantiations of - * class template _Safe_iterator for this sequence. Iterators will - * then be tracked automatically. - */ - template<typename _Sequence> - class _Safe_sequence : public _Safe_sequence_base - { - public: - /** Invalidates all iterators @c x that reference this sequence, - are not singular, and for which @c pred(x) returns @c - true. The user of this routine should be careful not to make - copies of the iterators passed to @p pred, as the copies may - interfere with the invalidation. */ - template<typename _Predicate> - void - _M_invalidate_if(_Predicate __pred); - - /** Transfers all iterators that reference this memory location - to this sequence from whatever sequence they are attached - to. */ - template<typename _Iterator> - void - _M_transfer_iter(const _Safe_iterator<_Iterator, _Sequence>& __x); - }; - - template<typename _Sequence> - template<typename _Predicate> - void - _Safe_sequence<_Sequence>:: - _M_invalidate_if(_Predicate __pred) - { - typedef typename _Sequence::iterator iterator; - typedef typename _Sequence::const_iterator const_iterator; - - __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex()); - for (_Safe_iterator_base* __iter = _M_iterators; __iter;) - { - iterator* __victim = static_cast<iterator*>(__iter); - __iter = __iter->_M_next; - if (!__victim->_M_singular()) - { - if (__pred(__victim->base())) - __victim->_M_invalidate_single(); - } - } - - for (_Safe_iterator_base* __iter2 = _M_const_iterators; __iter2;) - { - const_iterator* __victim = static_cast<const_iterator*>(__iter2); - __iter2 = __iter2->_M_next; - if (!__victim->_M_singular()) - { - if (__pred(__victim->base())) - __victim->_M_invalidate_single(); - } - } - } - - template<typename _Sequence> - template<typename _Iterator> - void - _Safe_sequence<_Sequence>:: - _M_transfer_iter(const _Safe_iterator<_Iterator, _Sequence>& __x) - { - _Safe_sequence_base* __from = __x._M_sequence; - if (!__from) - return; - - typedef typename _Sequence::iterator iterator; - typedef typename _Sequence::const_iterator const_iterator; - - __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex()); - for (_Safe_iterator_base* __iter = __from->_M_iterators; __iter;) - { - iterator* __victim = static_cast<iterator*>(__iter); - __iter = __iter->_M_next; - if (!__victim->_M_singular() && __victim->base() == __x.base()) - __victim->_M_attach_single(static_cast<_Sequence*>(this)); - } - - for (_Safe_iterator_base* __iter2 = __from->_M_const_iterators; - __iter2;) - { - const_iterator* __victim = static_cast<const_iterator*>(__iter2); - __iter2 = __iter2->_M_next; - if (!__victim->_M_singular() && __victim->base() == __x.base()) - __victim->_M_attach_single(static_cast<_Sequence*>(this)); - } - } -} // namespace __gnu_debug - -#endif |