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00035 #ifndef _GLIBCXX_DEBUG_SAFE_SEQUENCE_H
00036 #define _GLIBCXX_DEBUG_SAFE_SEQUENCE_H 1
00037
00038 #include <debug/debug.h>
00039 #include <debug/macros.h>
00040 #include <debug/functions.h>
00041 #include <debug/safe_base.h>
00042
00043 namespace __gnu_debug
00044 {
00045 template<typename _Iterator, typename _Sequence>
00046 class _Safe_iterator;
00047
00048
00049
00050
00051
00052 template<typename _Type>
00053 class _Not_equal_to
00054 {
00055 _Type __value;
00056
00057 public:
00058 explicit _Not_equal_to(const _Type& __v) : __value(__v) { }
00059
00060 bool
00061 operator()(const _Type& __x) const
00062 { return __value != __x; }
00063 };
00064
00065
00066
00067 template<typename _Iterator>
00068 class _After_nth_from
00069 {
00070 typedef typename std::iterator_traits<_Iterator>::difference_type
00071 difference_type;
00072
00073 _Iterator _M_base;
00074 difference_type _M_n;
00075
00076 public:
00077 _After_nth_from(const difference_type& __n, const _Iterator& __base)
00078 : _M_base(__base), _M_n(__n) { }
00079
00080 bool
00081 operator()(const _Iterator& __x) const
00082 { return __x - _M_base >= _M_n; }
00083 };
00084
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00100
00101 template<typename _Sequence>
00102 class _Safe_sequence : public _Safe_sequence_base
00103 {
00104 public:
00105
00106
00107
00108
00109
00110 template<typename _Predicate>
00111 void
00112 _M_invalidate_if(_Predicate __pred);
00113
00114
00115
00116
00117 template<typename _Iterator>
00118 void
00119 _M_transfer_iter(const _Safe_iterator<_Iterator, _Sequence>& __x);
00120 };
00121
00122 template<typename _Sequence>
00123 template<typename _Predicate>
00124 void
00125 _Safe_sequence<_Sequence>::
00126 _M_invalidate_if(_Predicate __pred)
00127 {
00128 typedef typename _Sequence::iterator iterator;
00129 typedef typename _Sequence::const_iterator const_iterator;
00130
00131 __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
00132 for (_Safe_iterator_base* __iter = _M_iterators; __iter;)
00133 {
00134 iterator* __victim = static_cast<iterator*>(__iter);
00135 __iter = __iter->_M_next;
00136 if (!__victim->_M_singular())
00137 {
00138 if (__pred(__victim->base()))
00139 __victim->_M_invalidate_single();
00140 }
00141 }
00142
00143 for (_Safe_iterator_base* __iter2 = _M_const_iterators; __iter2;)
00144 {
00145 const_iterator* __victim = static_cast<const_iterator*>(__iter2);
00146 __iter2 = __iter2->_M_next;
00147 if (!__victim->_M_singular())
00148 {
00149 if (__pred(__victim->base()))
00150 __victim->_M_invalidate_single();
00151 }
00152 }
00153 }
00154
00155 template<typename _Sequence>
00156 template<typename _Iterator>
00157 void
00158 _Safe_sequence<_Sequence>::
00159 _M_transfer_iter(const _Safe_iterator<_Iterator, _Sequence>& __x)
00160 {
00161 _Safe_sequence_base* __from = __x._M_sequence;
00162 if (!__from)
00163 return;
00164
00165 typedef typename _Sequence::iterator iterator;
00166 typedef typename _Sequence::const_iterator const_iterator;
00167
00168 __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
00169 for (_Safe_iterator_base* __iter = __from->_M_iterators; __iter;)
00170 {
00171 iterator* __victim = static_cast<iterator*>(__iter);
00172 __iter = __iter->_M_next;
00173 if (!__victim->_M_singular() && __victim->base() == __x.base())
00174 __victim->_M_attach_single(static_cast<_Sequence*>(this));
00175 }
00176
00177 for (_Safe_iterator_base* __iter2 = __from->_M_const_iterators;
00178 __iter2;)
00179 {
00180 const_iterator* __victim = static_cast<const_iterator*>(__iter2);
00181 __iter2 = __iter2->_M_next;
00182 if (!__victim->_M_singular() && __victim->base() == __x.base())
00183 __victim->_M_attach_single(static_cast<_Sequence*>(this));
00184 }
00185 }
00186 }
00187
00188 #endif