| 1 | // Debugging set implementation -*- C++ -*- | 
 
 
 
 
 | 2 |  | 
 
 
 
 
 | 3 | // Copyright (C) 2003-2021 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/set.h | 
 
 
 
 
 | 26 | *  This file is a GNU debug extension to the Standard C++ Library. | 
 
 
 
 
 | 27 | */ | 
 
 
 
 
 | 28 |  | 
 
 
 
 
 | 29 | #ifndef _GLIBCXX_DEBUG_SET_H | 
 
 
 
 
 | 30 | #define _GLIBCXX_DEBUG_SET_H 1 | 
 
 
 
 
 | 31 |  | 
 
 
 
 
 | 32 | #include <debug/safe_sequence.h> | 
 
 
 
 
 | 33 | #include <debug/safe_container.h> | 
 
 
 
 
 | 34 | #include <debug/safe_iterator.h> | 
 
 
 
 
 | 35 | #include <utility> | 
 
 
 
 
 | 36 |  | 
 
 
 
 
 | 37 | namespace std _GLIBCXX_VISIBILITY(default) | 
 
 
 
 
 | 38 | { | 
 
 
 
 
 | 39 | namespace __debug | 
 
 
 
 
 | 40 | { | 
 
 
 
 
 | 41 | /// Class std::set with safety/checking/debug instrumentation. | 
 
 
 
 
 | 42 | template<typename _Key, typename _Compare = std::less<_Key>, | 
 
 
 
 
 | 43 | typename _Allocator = std::allocator<_Key> > | 
 
 
 
 
 | 44 | class set | 
 
 
 
 
 | 45 | : public __gnu_debug::_Safe_container< | 
 
 
 
 
 | 46 | set<_Key, _Compare, _Allocator>, _Allocator, | 
 
 
 
 
 | 47 | __gnu_debug::_Safe_node_sequence>, | 
 
 
 
 
 | 48 | public _GLIBCXX_STD_C::set<_Key,_Compare,_Allocator> | 
 
 
 
 
 | 49 | { | 
 
 
 
 
 | 50 | typedef _GLIBCXX_STD_C::set<_Key, _Compare, _Allocator>   _Base; | 
 
 
 
 
 | 51 | typedef __gnu_debug::_Safe_container< | 
 
 
 
 
 | 52 | set, _Allocator, __gnu_debug::_Safe_node_sequence>      _Safe; | 
 
 
 
 
 | 53 |  | 
 
 
 
 
 | 54 | typedef typename _Base::const_iterator    _Base_const_iterator; | 
 
 
 
 
 | 55 | typedef typename _Base::iterator          _Base_iterator; | 
 
 
 
 
 | 56 | typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal; | 
 
 
 
 
 | 57 |  | 
 
 
 
 
 | 58 | template<typename _ItT, typename _SeqT, typename _CatT> | 
 
 
 
 
 | 59 | friend class ::__gnu_debug::_Safe_iterator; | 
 
 
 
 
 | 60 |  | 
 
 
 
 
 | 61 | // Reference wrapper for base class. Disambiguates set(const _Base&) | 
 
 
 
 
 | 62 | // from copy constructor by requiring a user-defined conversion. | 
 
 
 
 
 | 63 | // See PR libstdc++/90102. | 
 
 
 
 
 | 64 | struct _Base_ref | 
 
 
 
 
 | 65 | { | 
 
 
 
 
 | 66 | _Base_ref(const _Base& __r) : _M_ref(__r) { } | 
 
 
 
 
 | 67 |  | 
 
 
 
 
 | 68 | const _Base& _M_ref; | 
 
 
 
 
 | 69 | }; | 
 
 
 
 
 | 70 |  | 
 
 
 
 
 | 71 | public: | 
 
 
 
 
 | 72 | // types: | 
 
 
 
 
 | 73 | typedef _Key                                      key_type; | 
 
 
 
 
 | 74 | typedef _Key                                      value_type; | 
 
 
 
 
 | 75 | typedef _Compare                                  key_compare; | 
 
 
 
 
 | 76 | typedef _Compare                                  value_compare; | 
 
 
 
 
 | 77 | typedef _Allocator                                allocator_type; | 
 
 
 
 
 | 78 | typedef typename _Base::reference                 reference; | 
 
 
 
 
 | 79 | typedef typename _Base::const_reference           const_reference; | 
 
 
 
 
 | 80 |  | 
 
 
 
 
 | 81 | typedef __gnu_debug::_Safe_iterator<_Base_iterator, set> | 
 
 
 
 
 | 82 | iterator; | 
 
 
 
 
 | 83 | typedef __gnu_debug::_Safe_iterator<_Base_const_iterator, set> | 
 
 
 
 
 | 84 | const_iterator; | 
 
 
 
 
 | 85 |  | 
 
 
 
 
 | 86 | typedef typename _Base::size_type                 size_type; | 
 
 
 
 
 | 87 | typedef typename _Base::difference_type           difference_type; | 
 
 
 
 
 | 88 | typedef typename _Base::pointer                   pointer; | 
 
 
 
 
 | 89 | typedef typename _Base::const_pointer             const_pointer; | 
 
 
 
 
 | 90 | typedef std::reverse_iterator<iterator>           reverse_iterator; | 
 
 
 
 
 | 91 | typedef std::reverse_iterator<const_iterator>     const_reverse_iterator; | 
 
 
 
 
 | 92 |  | 
 
 
 
 
 | 93 | // 23.3.3.1 construct/copy/destroy: | 
 
 
 
 
 | 94 |  | 
 
 
 
 
 | 95 | #if __cplusplus < 201103L | 
 
 
 
 
 | 96 | set() : _Base() { } | 
 
 
 
 
 | 97 |  | 
 
 
 
 
 | 98 | set(const set& __x) | 
 
 
 
 
 | 99 | : _Base(__x) { } | 
 
 
 
 
 | 100 |  | 
 
 
 
 
 | 101 | ~set() { } | 
 
 
 
 
 | 102 | #else | 
 
 
 
 
 | 103 | set() = default; | 
 
 
 
 
 | 104 | set(const set&) = default; | 
 
 
 
 
 | 105 | set(set&&) = default; | 
 
 
 
 
 | 106 |  | 
 
 
 
 
 | 107 | set(initializer_list<value_type> __l, | 
 
 
 
 
 | 108 | const _Compare& __comp = _Compare(), | 
 
 
 
 
 | 109 | const allocator_type& __a = allocator_type()) | 
 
 
 
 
 | 110 | : _Base(__l, __comp, __a) { } | 
 
 
 
 
 | 111 |  | 
 
 
 
 
 | 112 | explicit | 
 
 
 
 
 | 113 | set(const allocator_type& __a) | 
 
 
 
 
 | 114 | : _Base(__a) { } | 
 
 
 
 
 | 115 |  | 
 
 
 
 
 | 116 | set(const set& __x, const allocator_type& __a) | 
 
 
 
 
 | 117 | : _Base(__x, __a) { } | 
 
 
 
 
 | 118 |  | 
 
 
 
 
 | 119 | set(set&& __x, const allocator_type& __a) | 
 
 
 
 
 | 120 | noexcept( noexcept(_Base(std::move(__x._M_base()), __a)) ) | 
 
 
 
 
 | 121 | : _Safe(std::move(__x._M_safe()), __a), | 
 
 
 
 
 | 122 | _Base(std::move(__x._M_base()), __a) { } | 
 
 
 
 
 | 123 |  | 
 
 
 
 
 | 124 | set(initializer_list<value_type> __l, const allocator_type& __a) | 
 
 
 
 
 | 125 | : _Base(__l, __a) { } | 
 
 
 
 
 | 126 |  | 
 
 
 
 
 | 127 | template<typename _InputIterator> | 
 
 
 
 
 | 128 | set(_InputIterator __first, _InputIterator __last, | 
 
 
 
 
 | 129 | const allocator_type& __a) | 
 
 
 
 
 | 130 | : _Base(__gnu_debug::__base( | 
 
 
 
 
 | 131 | __glibcxx_check_valid_constructor_range(__first, __last)), | 
 
 
 
 
 | 132 | __gnu_debug::__base(__last), __a) { } | 
 
 
 
 
 | 133 |  | 
 
 
 
 
 | 134 | ~set() = default; | 
 
 
 
 
 | 135 | #endif | 
 
 
 
 
 | 136 |  | 
 
 
 
 
 | 137 | explicit set(const _Compare& __comp, | 
 
 
 
 
 | 138 | const _Allocator& __a = _Allocator()) | 
 
 
 
 
 | 139 | : _Base(__comp, __a) { } | 
 
 
 
 
 | 140 |  | 
 
 
 
 
 | 141 | template<typename _InputIterator> | 
 
 
 
 
 | 142 | set(_InputIterator __first, _InputIterator __last, | 
 
 
 
 
 | 143 | const _Compare& __comp = _Compare(), | 
 
 
 
 
 | 144 | const _Allocator& __a = _Allocator()) | 
 
 
 
 
 | 145 | : _Base(__gnu_debug::__base( | 
 
 
 
 
 | 146 | __glibcxx_check_valid_constructor_range(__first, __last)), | 
 
 
 
 
 | 147 | __gnu_debug::__base(__last), | 
 
 
 
 
 | 148 | __comp, __a) { } | 
 
 
 
 
 | 149 |  | 
 
 
 
 
 | 150 | set(_Base_ref __x) | 
 
 
 
 
 | 151 | : _Base(__x._M_ref) { } | 
 
 
 
 
 | 152 |  | 
 
 
 
 
 | 153 | #if __cplusplus < 201103L | 
 
 
 
 
 | 154 | set& | 
 
 
 
 
 | 155 | operator=(const set& __x) | 
 
 
 
 
 | 156 | { | 
 
 
 
 
 | 157 | this->_M_safe() = __x; | 
 
 
 
 
 | 158 | _M_base() = __x; | 
 
 
 
 
 | 159 | return *this; | 
 
 
 
 
 | 160 | } | 
 
 
 
 
 | 161 | #else | 
 
 
 
 
 | 162 | set& | 
 
 
 
 
 | 163 | operator=(const set&) = default; | 
 
 
 
 
 | 164 |  | 
 
 
 
 
 | 165 | set& | 
 
 
 
 
 | 166 | operator=(set&&) = default; | 
 
 
 
 
 | 167 |  | 
 
 
 
 
 | 168 | set& | 
 
 
 
 
 | 169 | operator=(initializer_list<value_type> __l) | 
 
 
 
 
 | 170 | { | 
 
 
 
 
 | 171 | _M_base() = __l; | 
 
 
 
 
 | 172 | this->_M_invalidate_all(); | 
 
 
 
 
 | 173 | return *this; | 
 
 
 
 
 | 174 | } | 
 
 
 
 
 | 175 | #endif | 
 
 
 
 
 | 176 |  | 
 
 
 
 
 | 177 | using _Base::get_allocator; | 
 
 
 
 
 | 178 |  | 
 
 
 
 
 | 179 | // iterators: | 
 
 
 
 
 | 180 | iterator | 
 
 
 
 
 | 181 | begin() _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 182 | { return iterator(_Base::begin(), this); } | 
 
 
 
 
 | 183 |  | 
 
 
 
 
 | 184 | const_iterator | 
 
 
 
 
 | 185 | begin() const _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 186 | { return const_iterator(_Base::begin(), this); } | 
 
 
 
 
 | 187 |  | 
 
 
 
 
 | 188 | iterator | 
 
 
 
 
 | 189 | end() _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 190 | { return iterator(_Base::end(), this); } | 
 
 
 
 
 | 191 |  | 
 
 
 
 
 | 192 | const_iterator | 
 
 
 
 
 | 193 | end() const _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 194 | { return const_iterator(_Base::end(), this); } | 
 
 
 
 
 | 195 |  | 
 
 
 
 
 | 196 | reverse_iterator | 
 
 
 
 
 | 197 | rbegin() _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 198 | { return reverse_iterator(end()); } | 
 
 
 
 
 | 199 |  | 
 
 
 
 
 | 200 | const_reverse_iterator | 
 
 
 
 
 | 201 | rbegin() const _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 202 | { return const_reverse_iterator(end()); } | 
 
 
 
 
 | 203 |  | 
 
 
 
 
 | 204 | reverse_iterator | 
 
 
 
 
 | 205 | rend() _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 206 | { return reverse_iterator(begin()); } | 
 
 
 
 
 | 207 |  | 
 
 
 
 
 | 208 | const_reverse_iterator | 
 
 
 
 
 | 209 | rend() const _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 210 | { return const_reverse_iterator(begin()); } | 
 
 
 
 
 | 211 |  | 
 
 
 
 
 | 212 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 213 | const_iterator | 
 
 
 
 
 | 214 | cbegin() const noexcept | 
 
 
 
 
 | 215 | { return const_iterator(_Base::begin(), this); } | 
 
 
 
 
 | 216 |  | 
 
 
 
 
 | 217 | const_iterator | 
 
 
 
 
 | 218 | cend() const noexcept | 
 
 
 
 
 | 219 | { return const_iterator(_Base::end(), this); } | 
 
 
 
 
 | 220 |  | 
 
 
 
 
 | 221 | const_reverse_iterator | 
 
 
 
 
 | 222 | crbegin() const noexcept | 
 
 
 
 
 | 223 | { return const_reverse_iterator(end()); } | 
 
 
 
 
 | 224 |  | 
 
 
 
 
 | 225 | const_reverse_iterator | 
 
 
 
 
 | 226 | crend() const noexcept | 
 
 
 
 
 | 227 | { return const_reverse_iterator(begin()); } | 
 
 
 
 
 | 228 | #endif | 
 
 
 
 
 | 229 |  | 
 
 
 
 
 | 230 | // capacity: | 
 
 
 
 
 | 231 | using _Base::empty; | 
 
 
 
 
 | 232 | using _Base::size; | 
 
 
 
 
 | 233 | using _Base::max_size; | 
 
 
 
 
 | 234 |  | 
 
 
 
 
 | 235 | // modifiers: | 
 
 
 
 
 | 236 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 237 | template<typename... _Args> | 
 
 
 
 
 | 238 | std::pair<iterator, bool> | 
 
 
 
 
 | 239 | emplace(_Args&&... __args) | 
 
 
 
 
 | 240 | { | 
 
 
 
 
 | 241 | auto __res = _Base::emplace(std::forward<_Args>(__args)...); | 
 
 
 
 
 | 242 | return { { __res.first, this }, __res.second }; | 
 
 
 
 
 | 243 | } | 
 
 
 
 
 | 244 |  | 
 
 
 
 
 | 245 | template<typename... _Args> | 
 
 
 
 
 | 246 | iterator | 
 
 
 
 
 | 247 | emplace_hint(const_iterator __pos, _Args&&... __args) | 
 
 
 
 
 | 248 | { | 
 
 
 
 
 | 249 | __glibcxx_check_insert(__pos); | 
 
 
 
 
 | 250 | return | 
 
 
 
 
 | 251 | { | 
 
 
 
 
 | 252 | _Base::emplace_hint(__pos.base(), std::forward<_Args>(__args)...), | 
 
 
 
 
 | 253 | this | 
 
 
 
 
 | 254 | }; | 
 
 
 
 
 | 255 | } | 
 
 
 
 
 | 256 | #endif | 
 
 
 
 
 | 257 |  | 
 
 
 
 
 | 258 | std::pair<iterator, bool> | 
 
 
 
 
 | 259 | insert(const value_type& __x) | 
 
 
 
 
 | 260 | { | 
 
 
 
 
 | 261 | std::pair<_Base_iterator, bool> __res = _Base::insert(__x); | 
 
 
 
 
 | 262 | return std::pair<iterator, bool>(iterator(__res.first, this), | 
 
 
 
 
 | 263 | __res.second); | 
 
 
 
 
 | 264 | } | 
 
 
 
 
 | 265 |  | 
 
 
 
 
 | 266 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 267 | std::pair<iterator, bool> | 
 
 
 
 
 | 268 | insert(value_type&& __x) | 
 
 
 
 
 | 269 | { | 
 
 
 
 
 | 270 | auto __res = _Base::insert(std::move(__x)); | 
 
 
 
 
 | 271 | return { { __res.first, this }, __res.second }; | 
 
 
 
 
 | 272 | } | 
 
 
 
 
 | 273 | #endif | 
 
 
 
 
 | 274 |  | 
 
 
 
 
 | 275 | iterator | 
 
 
 
 
 | 276 | insert(const_iterator __position, const value_type& __x) | 
 
 
 
 
 | 277 | { | 
 
 
 
 
 | 278 | __glibcxx_check_insert(__position); | 
 
 
 
 
 | 279 | return iterator(_Base::insert(__position.base(), __x), this); | 
 
 
 
 
 | 280 | } | 
 
 
 
 
 | 281 |  | 
 
 
 
 
 | 282 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 283 | iterator | 
 
 
 
 
 | 284 | insert(const_iterator __position, value_type&& __x) | 
 
 
 
 
 | 285 | { | 
 
 
 
 
 | 286 | __glibcxx_check_insert(__position); | 
 
 
 
 
 | 287 | return { _Base::insert(__position.base(), std::move(__x)), this }; | 
 
 
 
 
 | 288 | } | 
 
 
 
 
 | 289 | #endif | 
 
 
 
 
 | 290 |  | 
 
 
 
 
 | 291 | template <typename _InputIterator> | 
 
 
 
 
 | 292 | void | 
 
 
 
 
 | 293 | insert(_InputIterator __first, _InputIterator __last) | 
 
 
 
 
 | 294 | { | 
 
 
 
 
 | 295 | typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist; | 
 
 
 
 
 | 296 | __glibcxx_check_valid_range2(__first, __last, __dist); | 
 
 
 
 
 | 297 |  | 
 
 
 
 
 | 298 | if (__dist.second >= __gnu_debug::__dp_sign) | 
 
 
 
 
 | 299 | _Base::insert(__gnu_debug::__unsafe(__first), | 
 
 
 
 
 | 300 | __gnu_debug::__unsafe(__last)); | 
 
 
 
 
 | 301 | else | 
 
 
 
 
 | 302 | _Base::insert(__first, __last); | 
 
 
 
 
 | 303 | } | 
 
 
 
 
 | 304 |  | 
 
 
 
 
 | 305 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 306 | void | 
 
 
 
 
 | 307 | insert(initializer_list<value_type> __l) | 
 
 
 
 
 | 308 | { _Base::insert(__l); } | 
 
 
 
 
 | 309 | #endif | 
 
 
 
 
 | 310 |  | 
 
 
 
 
 | 311 | #if __cplusplus > 201402L | 
 
 
 
 
 | 312 | using node_type = typename _Base::node_type; | 
 
 
 
 
 | 313 | using insert_return_type = _Node_insert_return<iterator, node_type>; | 
 
 
 
 
 | 314 |  | 
 
 
 
 
 | 315 | node_type | 
 
 
 
 
 | 316 | extract(const_iterator __position) | 
 
 
 
 
 | 317 | { | 
 
 
 
 
 | 318 | __glibcxx_check_erase(__position); | 
 
 
 
 
 | 319 | this->_M_invalidate_if(_Equal(__position.base())); | 
 
 
 
 
 | 320 | return _Base::extract(__position.base()); | 
 
 
 
 
 | 321 | } | 
 
 
 
 
 | 322 |  | 
 
 
 
 
 | 323 | node_type | 
 
 
 
 
 | 324 | extract(const key_type& __key) | 
 
 
 
 
 | 325 | { | 
 
 
 
 
 | 326 | const auto __position = find(__key); | 
 
 
 
 
 | 327 | if (__position != end()) | 
 
 
 
 
 | 328 | return extract(__position); | 
 
 
 
 
 | 329 | return {}; | 
 
 
 
 
 | 330 | } | 
 
 
 
 
 | 331 |  | 
 
 
 
 
 | 332 | insert_return_type | 
 
 
 
 
 | 333 | insert(node_type&& __nh) | 
 
 
 
 
 | 334 | { | 
 
 
 
 
 | 335 | auto __ret = _Base::insert(std::move(__nh)); | 
 
 
 
 
 | 336 | iterator __pos = iterator(__ret.position, this); | 
 
 
 
 
 | 337 | return { __pos, __ret.inserted, std::move(__ret.node) }; | 
 
 
 
 
 | 338 | } | 
 
 
 
 
 | 339 |  | 
 
 
 
 
 | 340 | iterator | 
 
 
 
 
 | 341 | insert(const_iterator __hint, node_type&& __nh) | 
 
 
 
 
 | 342 | { | 
 
 
 
 
 | 343 | __glibcxx_check_insert(__hint); | 
 
 
 
 
 | 344 | return { _Base::insert(__hint.base(), std::move(__nh)), this }; | 
 
 
 
 
 | 345 | } | 
 
 
 
 
 | 346 |  | 
 
 
 
 
 | 347 | using _Base::merge; | 
 
 
 
 
 | 348 | #endif // C++17 | 
 
 
 
 
 | 349 |  | 
 
 
 
 
 | 350 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 351 | _GLIBCXX_ABI_TAG_CXX11 | 
 
 
 
 
 | 352 | iterator | 
 
 
 
 
 | 353 | erase(const_iterator __position) | 
 
 
 
 
 | 354 | { | 
 
 
 
 
 | 355 | __glibcxx_check_erase(__position); | 
 
 
 
 
 | 356 | this->_M_invalidate_if(_Equal(__position.base())); | 
 
 
 
 
 | 357 | return { _Base::erase(__position.base()), this }; | 
 
 
 
 
 | 358 | } | 
 
 
 
 
 | 359 | #else | 
 
 
 
 
 | 360 | void | 
 
 
 
 
 | 361 | erase(iterator __position) | 
 
 
 
 
 | 362 | { | 
 
 
 
 
 | 363 | __glibcxx_check_erase(__position); | 
 
 
 
 
 | 364 | this->_M_invalidate_if(_Equal(__position.base())); | 
 
 
 
 
 | 365 | _Base::erase(__position.base()); | 
 
 
 
 
 | 366 | } | 
 
 
 
 
 | 367 | #endif | 
 
 
 
 
 | 368 |  | 
 
 
 
 
 | 369 | size_type | 
 
 
 
 
 | 370 | erase(const key_type& __x) | 
 
 
 
 
 | 371 | { | 
 
 
 
 
 | 372 | _Base_iterator __victim = _Base::find(__x); | 
 
 
 
 
 | 373 | if (__victim == _Base::end()) | 
 
 
 
 
 | 374 | return 0; | 
 
 
 
 
 | 375 | else | 
 
 
 
 
 | 376 | { | 
 
 
 
 
 | 377 | this->_M_invalidate_if(_Equal(__victim)); | 
 
 
 
 
 | 378 | _Base::erase(__victim); | 
 
 
 
 
 | 379 | return 1; | 
 
 
 
 
 | 380 | } | 
 
 
 
 
 | 381 | } | 
 
 
 
 
 | 382 |  | 
 
 
 
 
 | 383 | #if __cplusplus >= 201103L | 
 
 
 
 
 | 384 | _GLIBCXX_ABI_TAG_CXX11 | 
 
 
 
 
 | 385 | iterator | 
 
 
 
 
 | 386 | erase(const_iterator __first, const_iterator __last) | 
 
 
 
 
 | 387 | { | 
 
 
 
 
 | 388 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | 
 
 
 
 
 | 389 | // 151. can't currently clear() empty container | 
 
 
 
 
 | 390 | __glibcxx_check_erase_range(__first, __last); | 
 
 
 
 
 | 391 | for (_Base_const_iterator __victim = __first.base(); | 
 
 
 
 
 | 392 | __victim != __last.base(); ++__victim) | 
 
 
 
 
 | 393 | { | 
 
 
 
 
 | 394 | _GLIBCXX_DEBUG_VERIFY(__victim != _Base::cend(), | 
 
 
 
 
 | 395 | _M_message(__gnu_debug::__msg_valid_range) | 
 
 
 
 
 | 396 | ._M_iterator(__first, "first") | 
 
 
 
 
 | 397 | ._M_iterator(__last, "last")); | 
 
 
 
 
 | 398 | this->_M_invalidate_if(_Equal(__victim)); | 
 
 
 
 
 | 399 | } | 
 
 
 
 
 | 400 |  | 
 
 
 
 
 | 401 | return { _Base::erase(__first.base(), __last.base()), this }; | 
 
 
 
 
 | 402 | } | 
 
 
 
 
 | 403 | #else | 
 
 
 
 
 | 404 | void | 
 
 
 
 
 | 405 | erase(iterator __first, iterator __last) | 
 
 
 
 
 | 406 | { | 
 
 
 
 
 | 407 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | 
 
 
 
 
 | 408 | // 151. can't currently clear() empty container | 
 
 
 
 
 | 409 | __glibcxx_check_erase_range(__first, __last); | 
 
 
 
 
 | 410 | for (_Base_iterator __victim = __first.base(); | 
 
 
 
 
 | 411 | __victim != __last.base(); ++__victim) | 
 
 
 
 
 | 412 | { | 
 
 
 
 
 | 413 | _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(), | 
 
 
 
 
 | 414 | _M_message(__gnu_debug::__msg_valid_range) | 
 
 
 
 
 | 415 | ._M_iterator(__first, "first") | 
 
 
 
 
 | 416 | ._M_iterator(__last, "last")); | 
 
 
 
 
 | 417 | this->_M_invalidate_if(_Equal(__victim)); | 
 
 
 
 
 | 418 | } | 
 
 
 
 
 | 419 | _Base::erase(__first.base(), __last.base()); | 
 
 
 
 
 | 420 | } | 
 
 
 
 
 | 421 | #endif | 
 
 
 
 
 | 422 |  | 
 
 
 
 
 | 423 | void | 
 
 
 
 
 | 424 | swap(set& __x) | 
 
 
 
 
 | 425 | _GLIBCXX_NOEXCEPT_IF( noexcept(declval<_Base&>().swap(__x)) ) | 
 
 
 
 
 | 426 | { | 
 
 
 
 
 | 427 | _Safe::_M_swap(__x); | 
 
 
 
 
 | 428 | _Base::swap(__x); | 
 
 
 
 
 | 429 | } | 
 
 
 
 
 | 430 |  | 
 
 
 
 
 | 431 | void | 
 
 
 
 
 | 432 | clear() _GLIBCXX_NOEXCEPT | 
 
 
 
 
 | 433 | { | 
 
 
 
 
 | 434 | this->_M_invalidate_all(); | 
 
 
 
 
 | 435 | _Base::clear(); | 
 
 
 
 
 | 436 | } | 
 
 
 
 
 | 437 |  | 
 
 
 
 
 | 438 | // observers: | 
 
 
 
 
 | 439 | using _Base::key_comp; | 
 
 
 
 
 | 440 | using _Base::value_comp; | 
 
 
 
 
 | 441 |  | 
 
 
 
 
 | 442 | // set operations: | 
 
 
 
 
 | 443 | iterator | 
 
 
 
 
 | 444 | find(const key_type& __x) | 
 
 
 
 
 | 445 | { return iterator(_Base::find(__x), this); } | 
 
 
 
 
 | 446 |  | 
 
 
 
 
 | 447 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | 
 
 
 
 
 | 448 | // 214. set::find() missing const overload | 
 
 
 
 
 | 449 | const_iterator | 
 
 
 
 
 | 450 | find(const key_type& __x) const | 
 
 
 
 
 | 451 | { return const_iterator(_Base::find(__x), this); } | 
 
 
 
 
 | 452 |  | 
 
 
 
 
 | 453 | #if __cplusplus > 201103L | 
 
 
 
 
 | 454 | template<typename _Kt, | 
 
 
 
 
 | 455 | typename _Req = | 
 
 
 
 
 | 456 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 457 | iterator | 
 
 
 
 
 | 458 | find(const _Kt& __x) | 
 
 
 
 
 | 459 | { return { _Base::find(__x), this }; } | 
 
 
 
 
 | 460 |  | 
 
 
 
 
 | 461 | template<typename _Kt, | 
 
 
 
 
 | 462 | typename _Req = | 
 
 
 
 
 | 463 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 464 | const_iterator | 
 
 
 
 
 | 465 | find(const _Kt& __x) const | 
 
 
 
 
 | 466 | { return { _Base::find(__x), this }; } | 
 
 
 
 
 | 467 | #endif | 
 
 
 
 
 | 468 |  | 
 
 
 
 
 | 469 | using _Base::count; | 
 
 
 
 
 | 470 |  | 
 
 
 
 
 | 471 | iterator | 
 
 
 
 
 | 472 | lower_bound(const key_type& __x) | 
 
 
 
 
 | 473 | { return iterator(_Base::lower_bound(__x), this); } | 
 
 
 
 
 | 474 |  | 
 
 
 
 
 | 475 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | 
 
 
 
 
 | 476 | // 214. set::find() missing const overload | 
 
 
 
 
 | 477 | const_iterator | 
 
 
 
 
 | 478 | lower_bound(const key_type& __x) const | 
 
 
 
 
 | 479 | { return const_iterator(_Base::lower_bound(__x), this); } | 
 
 
 
 
 | 480 |  | 
 
 
 
 
 | 481 | #if __cplusplus > 201103L | 
 
 
 
 
 | 482 | template<typename _Kt, | 
 
 
 
 
 | 483 | typename _Req = | 
 
 
 
 
 | 484 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 485 | iterator | 
 
 
 
 
 | 486 | lower_bound(const _Kt& __x) | 
 
 
 
 
 | 487 | { return { _Base::lower_bound(__x), this }; } | 
 
 
 
 
 | 488 |  | 
 
 
 
 
 | 489 | template<typename _Kt, | 
 
 
 
 
 | 490 | typename _Req = | 
 
 
 
 
 | 491 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 492 | const_iterator | 
 
 
 
 
 | 493 | lower_bound(const _Kt& __x) const | 
 
 
 
 
 | 494 | { return { _Base::lower_bound(__x), this }; } | 
 
 
 
 
 | 495 | #endif | 
 
 
 
 
 | 496 |  | 
 
 
 
 
 | 497 | iterator | 
 
 
 
 
 | 498 | upper_bound(const key_type& __x) | 
 
 
 
 
 | 499 | { return iterator(_Base::upper_bound(__x), this); } | 
 
 
 
 
 | 500 |  | 
 
 
 
 
 | 501 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | 
 
 
 
 
 | 502 | // 214. set::find() missing const overload | 
 
 
 
 
 | 503 | const_iterator | 
 
 
 
 
 | 504 | upper_bound(const key_type& __x) const | 
 
 
 
 
 | 505 | { return const_iterator(_Base::upper_bound(__x), this); } | 
 
 
 
 
 | 506 |  | 
 
 
 
 
 | 507 | #if __cplusplus > 201103L | 
 
 
 
 
 | 508 | template<typename _Kt, | 
 
 
 
 
 | 509 | typename _Req = | 
 
 
 
 
 | 510 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 511 | iterator | 
 
 
 
 
 | 512 | upper_bound(const _Kt& __x) | 
 
 
 
 
 | 513 | { return { _Base::upper_bound(__x), this }; } | 
 
 
 
 
 | 514 |  | 
 
 
 
 
 | 515 | template<typename _Kt, | 
 
 
 
 
 | 516 | typename _Req = | 
 
 
 
 
 | 517 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 518 | const_iterator | 
 
 
 
 
 | 519 | upper_bound(const _Kt& __x) const | 
 
 
 
 
 | 520 | { return { _Base::upper_bound(__x), this }; } | 
 
 
 
 
 | 521 | #endif | 
 
 
 
 
 | 522 |  | 
 
 
 
 
 | 523 | std::pair<iterator, iterator> | 
 
 
 
 
 | 524 | equal_range(const key_type& __x) | 
 
 
 
 
 | 525 | { | 
 
 
 
 
 | 526 | std::pair<_Base_iterator, _Base_iterator> __res = | 
 
 
 
 
 | 527 | _Base::equal_range(__x); | 
 
 
 
 
 | 528 | return std::make_pair(iterator(__res.first, this), | 
 
 
 
 
 | 529 | iterator(__res.second, this)); | 
 
 
 
 
 | 530 | } | 
 
 
 
 
 | 531 |  | 
 
 
 
 
 | 532 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | 
 
 
 
 
 | 533 | // 214. set::find() missing const overload | 
 
 
 
 
 | 534 | std::pair<const_iterator, const_iterator> | 
 
 
 
 
 | 535 | equal_range(const key_type& __x) const | 
 
 
 
 
 | 536 | { | 
 
 
 
 
 | 537 | std::pair<_Base_const_iterator, _Base_const_iterator> __res = | 
 
 
 
 
 | 538 | _Base::equal_range(__x); | 
 
 
 
 
 | 539 | return std::make_pair(const_iterator(__res.first, this), | 
 
 
 
 
 | 540 | const_iterator(__res.second, this)); | 
 
 
 
 
 | 541 | } | 
 
 
 
 
 | 542 |  | 
 
 
 
 
 | 543 | #if __cplusplus > 201103L | 
 
 
 
 
 | 544 | template<typename _Kt, | 
 
 
 
 
 | 545 | typename _Req = | 
 
 
 
 
 | 546 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 547 | std::pair<iterator, iterator> | 
 
 
 
 
 | 548 | equal_range(const _Kt& __x) | 
 
 
 
 
 | 549 | { | 
 
 
 
 
 | 550 | auto __res = _Base::equal_range(__x); | 
 
 
 
 
 | 551 | return { { __res.first, this }, { __res.second, this } }; | 
 
 
 
 
 | 552 | } | 
 
 
 
 
 | 553 |  | 
 
 
 
 
 | 554 | template<typename _Kt, | 
 
 
 
 
 | 555 | typename _Req = | 
 
 
 
 
 | 556 | typename __has_is_transparent<_Compare, _Kt>::type> | 
 
 
 
 
 | 557 | std::pair<const_iterator, const_iterator> | 
 
 
 
 
 | 558 | equal_range(const _Kt& __x) const | 
 
 
 
 
 | 559 | { | 
 
 
 
 
 | 560 | auto __res = _Base::equal_range(__x); | 
 
 
 
 
 | 561 | return { { __res.first, this }, { __res.second, this } }; | 
 
 
 
 
 | 562 | } | 
 
 
 
 
 | 563 | #endif | 
 
 
 
 
 | 564 |  | 
 
 
 
 
 | 565 | _Base& | 
 
 
 
 
 | 566 | _M_base() _GLIBCXX_NOEXCEPT       { return *this; } | 
 
 
 
 
 | 567 |  | 
 
 
 
 
 | 568 | const _Base& | 
 
 
 
 
 | 569 | _M_base() const _GLIBCXX_NOEXCEPT { return *this; } | 
 
 
 
 
 | 570 | }; | 
 
 
 
 
 | 571 |  | 
 
 
 
 
 | 572 | #if __cpp_deduction_guides >= 201606 | 
 
 
 
 
 | 573 |  | 
 
 
 
 
 | 574 | template<typename _InputIterator, | 
 
 
 
 
 | 575 | typename _Compare = | 
 
 
 
 
 | 576 | less<typename iterator_traits<_InputIterator>::value_type>, | 
 
 
 
 
 | 577 | typename _Allocator = | 
 
 
 
 
 | 578 | allocator<typename iterator_traits<_InputIterator>::value_type>, | 
 
 
 
 
 | 579 | typename = _RequireInputIter<_InputIterator>, | 
 
 
 
 
 | 580 | typename = _RequireNotAllocator<_Compare>, | 
 
 
 
 
 | 581 | typename = _RequireAllocator<_Allocator>> | 
 
 
 
 
 | 582 | set(_InputIterator, _InputIterator, | 
 
 
 
 
 | 583 | _Compare = _Compare(), _Allocator = _Allocator()) | 
 
 
 
 
 | 584 | -> set<typename iterator_traits<_InputIterator>::value_type, | 
 
 
 
 
 | 585 | _Compare, _Allocator>; | 
 
 
 
 
 | 586 |  | 
 
 
 
 
 | 587 | template<typename _Key, typename _Compare = less<_Key>, | 
 
 
 
 
 | 588 | typename _Allocator = allocator<_Key>, | 
 
 
 
 
 | 589 | typename = _RequireNotAllocator<_Compare>, | 
 
 
 
 
 | 590 | typename = _RequireAllocator<_Allocator>> | 
 
 
 
 
 | 591 | set(initializer_list<_Key>, | 
 
 
 
 
 | 592 | _Compare = _Compare(), _Allocator = _Allocator()) | 
 
 
 
 
 | 593 | -> set<_Key, _Compare, _Allocator>; | 
 
 
 
 
 | 594 |  | 
 
 
 
 
 | 595 | template<typename _InputIterator, typename _Allocator, | 
 
 
 
 
 | 596 | typename = _RequireInputIter<_InputIterator>, | 
 
 
 
 
 | 597 | typename = _RequireAllocator<_Allocator>> | 
 
 
 
 
 | 598 | set(_InputIterator, _InputIterator, _Allocator) | 
 
 
 
 
 | 599 | -> set<typename iterator_traits<_InputIterator>::value_type, | 
 
 
 
 
 | 600 | less<typename iterator_traits<_InputIterator>::value_type>, | 
 
 
 
 
 | 601 | _Allocator>; | 
 
 
 
 
 | 602 |  | 
 
 
 
 
 | 603 | template<typename _Key, typename _Allocator, | 
 
 
 
 
 | 604 | typename = _RequireAllocator<_Allocator>> | 
 
 
 
 
 | 605 | set(initializer_list<_Key>, _Allocator) | 
 
 
 
 
 | 606 | -> set<_Key, less<_Key>, _Allocator>; | 
 
 
 
 
 | 607 |  | 
 
 
 
 
 | 608 | #endif // deduction guides | 
 
 
 
 
 | 609 |  | 
 
 
 
 
 | 610 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 611 | inline bool | 
 
 
 
 
 | 612 | operator==(const set<_Key, _Compare, _Allocator>& __lhs, | 
 
 
 
 
 | 613 | const set<_Key, _Compare, _Allocator>& __rhs) | 
 
 
 
 
 | 614 | { return __lhs._M_base() == __rhs._M_base(); } | 
 
 
 
 
 | 615 |  | 
 
 
 
 
 | 616 | #if __cpp_lib_three_way_comparison | 
 
 
 
 
 | 617 | template<typename _Key, typename _Compare, typename _Alloc> | 
 
 
 
 
 | 618 | inline __detail::__synth3way_t<_Key> | 
 
 
 
 
 | 619 | operator<=>(const set<_Key, _Compare, _Alloc>& __lhs, | 
 
 
 
 
 | 620 | const set<_Key, _Compare, _Alloc>& __rhs) | 
 
 
 
 
 | 621 | { return __lhs._M_base() <=> __rhs._M_base(); } | 
 
 
 
 
 | 622 | #else | 
 
 
 
 
 | 623 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 624 | inline bool | 
 
 
 
 
 | 625 | operator!=(const set<_Key, _Compare, _Allocator>& __lhs, | 
 
 
 
 
 | 626 | const set<_Key, _Compare, _Allocator>& __rhs) | 
 
 
 
 
 | 627 | { return __lhs._M_base() != __rhs._M_base(); } | 
 
 
 
 
 | 628 |  | 
 
 
 
 
 | 629 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 630 | inline bool | 
 
 
 
 
 | 631 | operator<(const set<_Key, _Compare, _Allocator>& __lhs, | 
 
 
 
 
 | 632 | const set<_Key, _Compare, _Allocator>& __rhs) | 
 
 
 
 
 | 633 | { return __lhs._M_base() < __rhs._M_base(); } | 
 
 
 
 
 | 634 |  | 
 
 
 
 
 | 635 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 636 | inline bool | 
 
 
 
 
 | 637 | operator<=(const set<_Key, _Compare, _Allocator>& __lhs, | 
 
 
 
 
 | 638 | const set<_Key, _Compare, _Allocator>& __rhs) | 
 
 
 
 
 | 639 | { return __lhs._M_base() <= __rhs._M_base(); } | 
 
 
 
 
 | 640 |  | 
 
 
 
 
 | 641 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 642 | inline bool | 
 
 
 
 
 | 643 | operator>=(const set<_Key, _Compare, _Allocator>& __lhs, | 
 
 
 
 
 | 644 | const set<_Key, _Compare, _Allocator>& __rhs) | 
 
 
 
 
 | 645 | { return __lhs._M_base() >= __rhs._M_base(); } | 
 
 
 
 
 | 646 |  | 
 
 
 
 
 | 647 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 648 | inline bool | 
 
 
 
 
 | 649 | operator>(const set<_Key, _Compare, _Allocator>& __lhs, | 
 
 
 
 
 | 650 | const set<_Key, _Compare, _Allocator>& __rhs) | 
 
 
 
 
 | 651 | { return __lhs._M_base() > __rhs._M_base(); } | 
 
 
 
 
 | 652 | #endif // three-way comparison | 
 
 
 
 
 | 653 |  | 
 
 
 
 
 | 654 | template<typename _Key, typename _Compare, typename _Allocator> | 
 
 
 
 
 | 655 | void | 
 
 
 
 
 | 656 | swap(set<_Key, _Compare, _Allocator>& __x, | 
 
 
 
 
 | 657 | set<_Key, _Compare, _Allocator>& __y) | 
 
 
 
 
 | 658 | _GLIBCXX_NOEXCEPT_IF(noexcept(__x.swap(__y))) | 
 
 
 
 
 | 659 | { return __x.swap(__y); } | 
 
 
 
 
 | 660 |  | 
 
 
 
 
 | 661 | } // namespace __debug | 
 
 
 
 
 | 662 | } // namespace std | 
 
 
 
 
 | 663 |  | 
 
 
 
 
 | 664 | #endif |