libstdc++
debug/string
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1 // Debugging string implementation -*- C++ -*-
2 
3 // Copyright (C) 2003-2026 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/string
26  * This file is a GNU debug extension to the Standard C++ Library.
27  */
28 
29 #ifndef _GLIBCXX_DEBUG_STRING
30 #define _GLIBCXX_DEBUG_STRING 1
31 
32 #ifdef _GLIBCXX_SYSHDR
33 #pragma GCC system_header
34 #endif
35 
36 #include <string>
37 #include <debug/safe_sequence.h>
38 #include <debug/safe_container.h>
39 #include <debug/safe_iterator.h>
40 
41 #define _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_Cond,_File,_Line,_Func) \
42  if (! (_Cond)) \
43  __gnu_debug::_Error_formatter::_S_at(_File, _Line, _Func) \
44  ._M_message(#_Cond)._M_error()
45 
46 #if _GLIBCXX_USE_CXX11_ABI && __cplusplus >= 201103
47 # define _GLIBCXX_INSERT_RETURNS_ITERATOR 1
48 # define _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(expr) expr
49 #else
50 # define _GLIBCXX_INSERT_RETURNS_ITERATOR 0
51 # define _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(expr)
52 #endif
53 
54 #ifdef _GLIBCXX_DEBUG_PEDANTIC
55 # if __cplusplus < 201103L
56 # define __glibcxx_check_string(_String) \
57  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_String != 0, \
58  __FILE__, __LINE__, \
59  __PRETTY_FUNCTION__);
60 # define __glibcxx_check_string_len(_String,_Len) \
61  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_String != 0 || _Len == 0, \
62  __FILE__, __LINE__, \
63  __PRETTY_FUNCTION__);
64 # else
65 # define __glibcxx_check_string(_String) \
66  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_String != nullptr, \
67  __FILE__, __LINE__, \
68  __PRETTY_FUNCTION__);
69 # define __glibcxx_check_string_len(_String,_Len) \
70  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_String != nullptr || _Len == 0, \
71  __FILE__, __LINE__, \
72  __PRETTY_FUNCTION__);
73 # endif
74 #else
75 # define __glibcxx_check_string(_String)
76 # define __glibcxx_check_string_len(_String,_Len)
77 #endif
78 
79 namespace __gnu_debug
80 {
81  /** Checks that __s is non-NULL or __n == 0, and then returns __s. */
82  template<typename _CharT, typename _Integer>
83  inline const _CharT*
84  __check_string(const _CharT* __s,
85  _Integer __n __attribute__((__unused__)),
86  const char* __file __attribute__((__unused__)),
87  unsigned int __line __attribute__((__unused__)),
88  const char* __function __attribute__((__unused__)))
89  {
90 #ifdef _GLIBCXX_DEBUG_PEDANTIC
91 # if __cplusplus < 201103L
92  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != 0 || __n == 0,
93  __file, __line, __function);
94 # else
95  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != nullptr || __n == 0,
96  __file, __line, __function);
97 # endif
98 #endif
99  return __s;
100  }
101 
102  /** Checks that __s is non-NULL and then returns __s. */
103  template<typename _CharT>
104  inline const _CharT*
105  __check_string(const _CharT* __s,
106  const char* __file __attribute__((__unused__)),
107  unsigned int __line __attribute__((__unused__)),
108  const char* __function __attribute__((__unused__)))
109  {
110 #ifdef _GLIBCXX_DEBUG_PEDANTIC
111 # if __cplusplus < 201103L
112  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != 0,
113  __file, __line, __function);
114 # else
115  _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != nullptr,
116  __file, __line, __function);
117 # endif
118 #endif
119  return __s;
120  }
121 
122 #define __glibcxx_check_string_n_constructor(_Str, _Size) \
123  __check_string(_Str, _Size, __FILE__, __LINE__, __PRETTY_FUNCTION__)
124 
125 #define __glibcxx_check_string_constructor(_Str) \
126  __check_string(_Str, __FILE__, __LINE__, __PRETTY_FUNCTION__)
127 
128  /// Class std::basic_string with safety/checking/debug instrumentation.
129  template<typename _CharT, typename _Traits = std::char_traits<_CharT>,
130  typename _Allocator = std::allocator<_CharT> >
131  class basic_string
132  : public __gnu_debug::_Safe_container<
133  basic_string<_CharT, _Traits, _Allocator>,
134  _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>,
135  public std::basic_string<_CharT, _Traits, _Allocator>
136  {
137  typedef std::basic_string<_CharT, _Traits, _Allocator> _Base;
138  typedef __gnu_debug::_Safe_container<
139  basic_string, _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>
140  _Safe;
141 
142  template<typename _ItT, typename _SeqT, typename _CatT>
143  friend class ::__gnu_debug::_Safe_iterator;
144 
145  // type used for positions in insert, erase etc.
146  typedef __gnu_debug::_Safe_iterator<
147  typename _Base::__const_iterator, basic_string> __const_iterator;
148 
149  public:
150  // types:
151  typedef _Traits traits_type;
152  typedef typename _Traits::char_type value_type;
153  typedef _Allocator allocator_type;
154  typedef typename _Base::size_type size_type;
155  typedef typename _Base::difference_type difference_type;
156  typedef typename _Base::reference reference;
157  typedef typename _Base::const_reference const_reference;
158  typedef typename _Base::pointer pointer;
159  typedef typename _Base::const_pointer const_pointer;
160 
161  typedef __gnu_debug::_Safe_iterator<
162  typename _Base::iterator, basic_string> iterator;
163  typedef __gnu_debug::_Safe_iterator<
164  typename _Base::const_iterator, basic_string> const_iterator;
165 
166  typedef std::reverse_iterator<iterator> reverse_iterator;
167  typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
168 
169  using _Base::npos;
170 
171  // 21.3.1 construct/copy/destroy:
172 
173  explicit
174  basic_string(const _Allocator& __a) _GLIBCXX_NOEXCEPT
175  : _Base(__a) { }
176 
177 #if __cplusplus < 201103L
178  basic_string() : _Base() { }
179 
180  basic_string(const basic_string& __str)
181  : _Base(__str) { }
182 
183  ~basic_string() { }
184 #else
185  basic_string() = default;
186  basic_string(const basic_string&) = default;
187  basic_string(basic_string&&) = default;
188 
189  basic_string(std::initializer_list<_CharT> __l,
190  const _Allocator& __a = _Allocator())
191  : _Base(__l, __a)
192  { }
193 
194  basic_string(const basic_string& __s, const _Allocator& __a)
195  : _Base(__s, __a) { }
196 
197  basic_string(basic_string&& __s, const _Allocator& __a)
198  noexcept(
199  std::is_nothrow_constructible<_Base, _Base, const _Allocator&>::value )
200  : _Safe(std::move(__s), __a),
201  _Base(std::move(__s), __a)
202  { }
203 
204  ~basic_string() = default;
205 
206  // Provides conversion from a normal-mode string to a debug-mode string
207  basic_string(_Base&& __base) noexcept
208  : _Base(std::move(__base)) { }
209 #endif // C++11
210 
211  // Provides conversion from a normal-mode string to a debug-mode string
212  basic_string(const _Base& __base)
213  : _Base(__base) { }
214 
215  // _GLIBCXX_RESOLVE_LIB_DEFECTS
216  // 42. string ctors specify wrong default allocator
217  basic_string(const basic_string& __str, size_type __pos,
218  size_type __n = _Base::npos,
219  const _Allocator& __a = _Allocator())
220  : _Base(__str, __pos, __n, __a) { }
221 
222  basic_string(const _CharT* __s, size_type __n,
223  const _Allocator& __a = _Allocator())
224  : _Base(__glibcxx_check_string_n_constructor(__s, __n), __n, __a) { }
225 
226  basic_string(const _CharT* __s, const _Allocator& __a = _Allocator())
227  : _Base(__glibcxx_check_string_constructor(__s), __a)
228  { }
229 
230  basic_string(size_type __n, _CharT __c,
231  const _Allocator& __a = _Allocator())
232  : _Base(__n, __c, __a) { }
233 
234 #if __cplusplus >= 201103L
235  template<typename _InputIterator,
236  typename = std::_RequireInputIter<_InputIterator>>
237 #else
238  template<typename _InputIterator>
239 #endif
240  basic_string(_InputIterator __begin, _InputIterator __end,
241  const _Allocator& __a = _Allocator())
242  : _Base(__gnu_debug::__base(
243  __glibcxx_check_valid_constructor_range(__begin, __end)),
244  __gnu_debug::__base(__end), __a) { }
245 
246 #if __cplusplus >= 201103L
247  basic_string&
248  operator=(const basic_string&) = default;
249 
250  basic_string&
251  operator=(basic_string&&) = default;
252 #endif
253 
254  basic_string&
255  operator=(const _CharT* __s)
256  {
257  __glibcxx_check_string(__s);
258  _Base::operator=(__s);
259  this->_M_invalidate_all();
260  return *this;
261  }
262 
263  basic_string&
264  operator=(_CharT __c)
265  {
266  _Base::operator=(__c);
267  this->_M_invalidate_all();
268  return *this;
269  }
270 
271 #if __cplusplus >= 201103L
272  basic_string&
273  operator=(std::initializer_list<_CharT> __l)
274  {
275  _Base::operator=(__l);
276  this->_M_invalidate_all();
277  return *this;
278  }
279 #endif // C++11
280 
281  // 21.3.2 iterators:
282  iterator
283  begin() // _GLIBCXX_NOEXCEPT
284  { return iterator(_Base::begin(), this); }
285 
286  const_iterator
287  begin() const _GLIBCXX_NOEXCEPT
288  { return const_iterator(_Base::begin(), this); }
289 
290  iterator
291  end() // _GLIBCXX_NOEXCEPT
292  { return iterator(_Base::end(), this); }
293 
294  const_iterator
295  end() const _GLIBCXX_NOEXCEPT
296  { return const_iterator(_Base::end(), this); }
297 
298  reverse_iterator
299  rbegin() // _GLIBCXX_NOEXCEPT
300  { return reverse_iterator(end()); }
301 
302  const_reverse_iterator
303  rbegin() const _GLIBCXX_NOEXCEPT
304  { return const_reverse_iterator(end()); }
305 
306  reverse_iterator
307  rend() // _GLIBCXX_NOEXCEPT
308  { return reverse_iterator(begin()); }
309 
310  const_reverse_iterator
311  rend() const _GLIBCXX_NOEXCEPT
312  { return const_reverse_iterator(begin()); }
313 
314 #if __cplusplus >= 201103L
315  const_iterator
316  cbegin() const noexcept
317  { return const_iterator(_Base::begin(), this); }
318 
319  const_iterator
320  cend() const noexcept
321  { return const_iterator(_Base::end(), this); }
322 
323  const_reverse_iterator
324  crbegin() const noexcept
325  { return const_reverse_iterator(end()); }
326 
327  const_reverse_iterator
328  crend() const noexcept
329  { return const_reverse_iterator(begin()); }
330 #endif
331 
332  // 21.3.3 capacity:
333  using _Base::size;
334  using _Base::length;
335  using _Base::max_size;
336 
337  void
338  resize(size_type __n, _CharT __c)
339  {
340  _Base::resize(__n, __c);
341  this->_M_invalidate_all();
342  }
343 
344  void
345  resize(size_type __n)
346  { this->resize(__n, _CharT()); }
347 
348 #if __cplusplus >= 201103L
349  void
350  shrink_to_fit() noexcept
351  {
352  if (capacity() > size())
353  {
354  __try
355  {
356  reserve(0);
357  this->_M_invalidate_all();
358  }
359  __catch(...)
360  { }
361  }
362  }
363 #endif
364 
365  using _Base::capacity;
366  using _Base::reserve;
367 
368  void
369  clear() // _GLIBCXX_NOEXCEPT
370  {
371  _Base::clear();
372  this->_M_invalidate_all();
373  }
374 
375  using _Base::empty;
376 
377  // 21.3.4 element access:
378  const_reference
379  operator[](size_type __pos) const _GLIBCXX_NOEXCEPT
380  {
381  _GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
382  _M_message(__gnu_debug::__msg_subscript_oob)
383  ._M_sequence(*this, "this")
384  ._M_integer(__pos, "__pos")
385  ._M_integer(this->size(), "size"));
386  return _Base::operator[](__pos);
387  }
388 
389  reference
390  operator[](size_type __pos) // _GLIBCXX_NOEXCEPT
391  {
392 #if __cplusplus < 201103L && defined(_GLIBCXX_DEBUG_PEDANTIC)
393  __glibcxx_check_subscript(__pos);
394 #else
395  // as an extension v3 allows s[s.size()] when s is non-const.
396  _GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
397  _M_message(__gnu_debug::__msg_subscript_oob)
398  ._M_sequence(*this, "this")
399  ._M_integer(__pos, "__pos")
400  ._M_integer(this->size(), "size"));
401 #endif
402  return _Base::operator[](__pos);
403  }
404 
405  using _Base::at;
406 
407 #if __cplusplus >= 201103L
408  using _Base::front;
409  using _Base::back;
410 #endif
411 
412  // 21.3.5 modifiers:
413  basic_string&
414  operator+=(const basic_string& __str)
415  {
416  _Base::operator+=(__str);
417  this->_M_invalidate_all();
418  return *this;
419  }
420 
421  basic_string&
422  operator+=(const _CharT* __s)
423  {
424  __glibcxx_check_string(__s);
425  _Base::operator+=(__s);
426  this->_M_invalidate_all();
427  return *this;
428  }
429 
430  basic_string&
431  operator+=(_CharT __c)
432  {
433  _Base::operator+=(__c);
434  this->_M_invalidate_all();
435  return *this;
436  }
437 
438 #if __cplusplus >= 201103L
439  basic_string&
440  operator+=(std::initializer_list<_CharT> __l)
441  {
442  _Base::operator+=(__l);
443  this->_M_invalidate_all();
444  return *this;
445  }
446 #endif // C++11
447 
448  basic_string&
449  append(const basic_string& __str)
450  {
451  _Base::append(__str);
452  this->_M_invalidate_all();
453  return *this;
454  }
455 
456  basic_string&
457  append(const basic_string& __str, size_type __pos, size_type __n)
458  {
459  _Base::append(__str, __pos, __n);
460  this->_M_invalidate_all();
461  return *this;
462  }
463 
464  basic_string&
465  append(const _CharT* __s, size_type __n)
466  {
467  __glibcxx_check_string_len(__s, __n);
468  _Base::append(__s, __n);
469  this->_M_invalidate_all();
470  return *this;
471  }
472 
473  basic_string&
474  append(const _CharT* __s)
475  {
476  __glibcxx_check_string(__s);
477  _Base::append(__s);
478  this->_M_invalidate_all();
479  return *this;
480  }
481 
482  basic_string&
483  append(size_type __n, _CharT __c)
484  {
485  _Base::append(__n, __c);
486  this->_M_invalidate_all();
487  return *this;
488  }
489 
490  template<typename _InputIterator>
491  basic_string&
492  append(_InputIterator __first, _InputIterator __last)
493  {
494  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
495  __glibcxx_check_valid_range2(__first, __last, __dist);
496 
497  if (__dist.second >= __dp_sign)
498  _Base::append(__gnu_debug::__unsafe(__first),
499  __gnu_debug::__unsafe(__last));
500  else
501  _Base::append(__first, __last);
502 
503  this->_M_invalidate_all();
504  return *this;
505  }
506 
507  // _GLIBCXX_RESOLVE_LIB_DEFECTS
508  // 7. string clause minor problems
509  void
510  push_back(_CharT __c)
511  {
512  _Base::push_back(__c);
513  this->_M_invalidate_all();
514  }
515 
516  basic_string&
517  assign(const basic_string& __x)
518  {
519  _Base::assign(__x);
520  this->_M_invalidate_all();
521  return *this;
522  }
523 
524 #if __cplusplus >= 201103L
525  basic_string&
526  assign(basic_string&& __x)
527  noexcept(noexcept(std::declval<_Base&>().assign(std::move(__x))))
528  {
529  _Base::assign(std::move(__x));
530  this->_M_invalidate_all();
531  return *this;
532  }
533 #endif // C++11
534 
535  basic_string&
536  assign(const basic_string& __str, size_type __pos, size_type __n)
537  {
538  _Base::assign(__str, __pos, __n);
539  this->_M_invalidate_all();
540  return *this;
541  }
542 
543  basic_string&
544  assign(const _CharT* __s, size_type __n)
545  {
546  __glibcxx_check_string_len(__s, __n);
547  _Base::assign(__s, __n);
548  this->_M_invalidate_all();
549  return *this;
550  }
551 
552  basic_string&
553  assign(const _CharT* __s)
554  {
555  __glibcxx_check_string(__s);
556  _Base::assign(__s);
557  this->_M_invalidate_all();
558  return *this;
559  }
560 
561  basic_string&
562  assign(size_type __n, _CharT __c)
563  {
564  _Base::assign(__n, __c);
565  this->_M_invalidate_all();
566  return *this;
567  }
568 
569  template<typename _InputIterator>
570  basic_string&
571  assign(_InputIterator __first, _InputIterator __last)
572  {
573  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
574  __glibcxx_check_valid_range2(__first, __last, __dist);
575 
576  if (__dist.second >= __dp_sign)
577  _Base::assign(__gnu_debug::__unsafe(__first),
578  __gnu_debug::__unsafe(__last));
579  else
580  _Base::assign(__first, __last);
581 
582  this->_M_invalidate_all();
583  return *this;
584  }
585 
586 #if __cplusplus >= 201103L
587  basic_string&
588  assign(std::initializer_list<_CharT> __l)
589  {
590  _Base::assign(__l);
591  this->_M_invalidate_all();
592  return *this;
593  }
594 #endif // C++11
595 
596  basic_string&
597  insert(size_type __pos1, const basic_string& __str)
598  {
599  _Base::insert(__pos1, __str);
600  this->_M_invalidate_all();
601  return *this;
602  }
603 
604  basic_string&
605  insert(size_type __pos1, const basic_string& __str,
606  size_type __pos2, size_type __n)
607  {
608  _Base::insert(__pos1, __str, __pos2, __n);
609  this->_M_invalidate_all();
610  return *this;
611  }
612 
613  basic_string&
614  insert(size_type __pos, const _CharT* __s, size_type __n)
615  {
616  __glibcxx_check_string(__s);
617  _Base::insert(__pos, __s, __n);
618  this->_M_invalidate_all();
619  return *this;
620  }
621 
622  basic_string&
623  insert(size_type __pos, const _CharT* __s)
624  {
625  __glibcxx_check_string(__s);
626  _Base::insert(__pos, __s);
627  this->_M_invalidate_all();
628  return *this;
629  }
630 
631  basic_string&
632  insert(size_type __pos, size_type __n, _CharT __c)
633  {
634  _Base::insert(__pos, __n, __c);
635  this->_M_invalidate_all();
636  return *this;
637  }
638 
639  iterator
640  insert(__const_iterator __p, _CharT __c)
641  {
642  __glibcxx_check_insert(__p);
643  typename _Base::iterator __res = _Base::insert(__p.base(), __c);
644  this->_M_invalidate_all();
645  return iterator(__res, this);
646  }
647 
648 #if __cplusplus >= 201103L
649  iterator
650  insert(const_iterator __p, size_type __n, _CharT __c)
651  {
652  __glibcxx_check_insert(__p);
653 #if _GLIBCXX_USE_CXX11_ABI
654  typename _Base::iterator __res = _Base::insert(__p.base(), __n, __c);
655 #else
656  const size_type __offset = __p.base() - _Base::cbegin();
657  _Base::insert(_Base::begin() + __offset, __n, __c);
658  typename _Base::iterator __res = _Base::begin() + __offset;
659 #endif
660  this->_M_invalidate_all();
661  return iterator(__res, this);
662  }
663 #else
664  void
665  insert(iterator __p, size_type __n, _CharT __c)
666  {
667  __glibcxx_check_insert(__p);
668  _Base::insert(__p.base(), __n, __c);
669  this->_M_invalidate_all();
670  }
671 #endif
672 
673  template<typename _InputIterator>
674  iterator
675  insert(__const_iterator __p,
676  _InputIterator __first, _InputIterator __last)
677  {
678  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
679  __glibcxx_check_insert_range(__p, __first, __last, __dist);
680 
681  typename _Base::iterator __res;
682 #if ! _GLIBCXX_INSERT_RETURNS_ITERATOR
683  const size_type __offset = __p.base() - _Base::begin();
684 #endif
685  if (__dist.second >= __dp_sign)
686  {
687  _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(__res =)
688  _Base::insert(__p.base(), __gnu_debug::__unsafe(__first),
689  __gnu_debug::__unsafe(__last));
690  }
691  else
692  {
693  _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(__res =)
694  _Base::insert(__p.base(), __first, __last);
695  }
696 
697 #if ! _GLIBCXX_INSERT_RETURNS_ITERATOR
698  __res = _Base::begin() + __offset;
699 #endif
700  this->_M_invalidate_all();
701  return iterator(__res, this);
702  }
703 
704 #if __cplusplus >= 201103L
705  iterator
706  insert(const_iterator __p, std::initializer_list<_CharT> __l)
707  {
708  __glibcxx_check_insert(__p);
709 #if _GLIBCXX_USE_CXX11_ABI
710  const auto __res = _Base::insert(__p.base(), __l);
711 #else
712  const size_type __offset = __p.base() - _Base::cbegin();
713  _Base::insert(_Base::begin() + __offset, __l);
714  auto __res = _Base::begin() + __offset;
715 #endif
716  this->_M_invalidate_all();
717  return iterator(__res, this);
718  }
719 #endif // C++11
720 
721  basic_string&
722  erase(size_type __pos = 0, size_type __n = _Base::npos)
723  {
724  _Base::erase(__pos, __n);
725  this->_M_invalidate_all();
726  return *this;
727  }
728 
729  iterator
730  erase(__const_iterator __position)
731  {
732  __glibcxx_check_erase(__position);
733  typename _Base::iterator __res = _Base::erase(__position.base());
734  this->_M_invalidate_all();
735  return iterator(__res, this);
736  }
737 
738  iterator
739  erase(__const_iterator __first, __const_iterator __last)
740  {
741  // _GLIBCXX_RESOLVE_LIB_DEFECTS
742  // 151. can't currently clear() empty container
743  __glibcxx_check_erase_range(__first, __last);
744  typename _Base::iterator __res = _Base::erase(__first.base(),
745  __last.base());
746  this->_M_invalidate_all();
747  return iterator(__res, this);
748  }
749 
750 #if __cplusplus >= 201103L
751  void
752  pop_back() // noexcept
753  {
754  __glibcxx_check_nonempty();
755  _Base::pop_back();
756  this->_M_invalidate_all();
757  }
758 #endif // C++11
759 
760  basic_string&
761  replace(size_type __pos1, size_type __n1, const basic_string& __str)
762  {
763  _Base::replace(__pos1, __n1, __str);
764  this->_M_invalidate_all();
765  return *this;
766  }
767 
768  basic_string&
769  replace(size_type __pos1, size_type __n1, const basic_string& __str,
770  size_type __pos2, size_type __n2)
771  {
772  _Base::replace(__pos1, __n1, __str, __pos2, __n2);
773  this->_M_invalidate_all();
774  return *this;
775  }
776 
777  basic_string&
778  replace(size_type __pos, size_type __n1, const _CharT* __s,
779  size_type __n2)
780  {
781  __glibcxx_check_string_len(__s, __n2);
782  _Base::replace(__pos, __n1, __s, __n2);
783  this->_M_invalidate_all();
784  return *this;
785  }
786 
787  basic_string&
788  replace(size_type __pos, size_type __n1, const _CharT* __s)
789  {
790  __glibcxx_check_string(__s);
791  _Base::replace(__pos, __n1, __s);
792  this->_M_invalidate_all();
793  return *this;
794  }
795 
796  basic_string&
797  replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
798  {
799  _Base::replace(__pos, __n1, __n2, __c);
800  this->_M_invalidate_all();
801  return *this;
802  }
803 
804  basic_string&
805  replace(__const_iterator __i1, __const_iterator __i2,
806  const basic_string& __str)
807  {
808  __glibcxx_check_erase_range(__i1, __i2);
809  _Base::replace(__i1.base(), __i2.base(), __str);
810  this->_M_invalidate_all();
811  return *this;
812  }
813 
814  basic_string&
815  replace(__const_iterator __i1, __const_iterator __i2,
816  const _CharT* __s, size_type __n)
817  {
818  __glibcxx_check_erase_range(__i1, __i2);
819  __glibcxx_check_string_len(__s, __n);
820  _Base::replace(__i1.base(), __i2.base(), __s, __n);
821  this->_M_invalidate_all();
822  return *this;
823  }
824 
825  basic_string&
826  replace(__const_iterator __i1, __const_iterator __i2,
827  const _CharT* __s)
828  {
829  __glibcxx_check_erase_range(__i1, __i2);
830  __glibcxx_check_string(__s);
831  _Base::replace(__i1.base(), __i2.base(), __s);
832  this->_M_invalidate_all();
833  return *this;
834  }
835 
836  basic_string&
837  replace(__const_iterator __i1, __const_iterator __i2,
838  size_type __n, _CharT __c)
839  {
840  __glibcxx_check_erase_range(__i1, __i2);
841  _Base::replace(__i1.base(), __i2.base(), __n, __c);
842  this->_M_invalidate_all();
843  return *this;
844  }
845 
846  template<typename _InputIterator>
847  basic_string&
848  replace(__const_iterator __i1, __const_iterator __i2,
849  _InputIterator __j1, _InputIterator __j2)
850  {
851  __glibcxx_check_erase_range(__i1, __i2);
852 
853  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
854  __glibcxx_check_valid_range2(__j1, __j2, __dist);
855 
856  if (__dist.second >= __dp_sign)
857  _Base::replace(__i1.base(), __i2.base(),
858  __gnu_debug::__unsafe(__j1),
859  __gnu_debug::__unsafe(__j2));
860  else
861  _Base::replace(__i1.base(), __i2.base(), __j1, __j2);
862 
863  this->_M_invalidate_all();
864  return *this;
865  }
866 
867 #if __cplusplus >= 201103L
868  basic_string&
869  replace(__const_iterator __i1, __const_iterator __i2,
870  std::initializer_list<_CharT> __l)
871  {
872  __glibcxx_check_erase_range(__i1, __i2);
873  _Base::replace(__i1.base(), __i2.base(), __l);
874  this->_M_invalidate_all();
875  return *this;
876  }
877 #endif // C++11
878 
879  size_type
880  copy(_CharT* __s, size_type __n, size_type __pos = 0) const
881  {
882  __glibcxx_check_string_len(__s, __n);
883  return _Base::copy(__s, __n, __pos);
884  }
885 
886  void
887  swap(basic_string& __x)
888  _GLIBCXX_NOEXCEPT_IF(std::__is_nothrow_swappable<_Base>::value)
889  {
890  _Safe::_M_swap(__x);
891  _Base::swap(__x);
892  }
893 
894  // 21.3.6 string operations:
895  const _CharT*
896  c_str() const _GLIBCXX_NOEXCEPT
897  {
898  const _CharT* __res = _Base::c_str();
899  this->_M_invalidate_all();
900  return __res;
901  }
902 
903  const _CharT*
904  data() const _GLIBCXX_NOEXCEPT
905  {
906  const _CharT* __res = _Base::data();
907  this->_M_invalidate_all();
908  return __res;
909  }
910 
911  using _Base::get_allocator;
912 
913  using _Base::find;
914 
915  _GLIBCXX20_CONSTEXPR
916  size_type
917  find(const _CharT* __s, size_type __pos, size_type __n) const
918  _GLIBCXX_NOEXCEPT
919  {
920  __glibcxx_check_string(__s);
921  return _Base::find(__s, __pos, __n);
922  }
923 
924  _GLIBCXX20_CONSTEXPR
925  size_type
926  find(const _CharT* __s, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
927  {
928  __glibcxx_check_string(__s);
929  return _Base::find(__s, __pos);
930  }
931 
932  using _Base::rfind;
933 
934  _GLIBCXX20_CONSTEXPR
935  size_type
936  rfind(const _CharT* __s, size_type __pos, size_type __n) const
937  {
938  __glibcxx_check_string_len(__s, __n);
939  return _Base::rfind(__s, __pos, __n);
940  }
941 
942  _GLIBCXX20_CONSTEXPR
943  size_type
944  rfind(const _CharT* __s, size_type __pos = _Base::npos) const
945  {
946  __glibcxx_check_string(__s);
947  return _Base::rfind(__s, __pos);
948  }
949 
950  using _Base::find_first_of;
951 
952  _GLIBCXX20_CONSTEXPR
953  size_type
954  find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
955  _GLIBCXX_NOEXCEPT
956  {
957  __glibcxx_check_string(__s);
958  return _Base::find_first_of(__s, __pos, __n);
959  }
960 
961  _GLIBCXX20_CONSTEXPR
962  size_type
963  find_first_of(const _CharT* __s, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
964  {
965  __glibcxx_check_string(__s);
966  return _Base::find_first_of(__s, __pos);
967  }
968 
969  using _Base::find_last_of;
970 
971  _GLIBCXX20_CONSTEXPR
972  size_type
973  find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
974  _GLIBCXX_NOEXCEPT
975  {
976  __glibcxx_check_string(__s);
977  return _Base::find_last_of(__s, __pos, __n);
978  }
979 
980  _GLIBCXX20_CONSTEXPR
981  size_type
982  find_last_of(const _CharT* __s, size_type __pos = _Base::npos) const
983  _GLIBCXX_NOEXCEPT
984  {
985  __glibcxx_check_string(__s);
986  return _Base::find_last_of(__s, __pos);
987  }
988 
989  using _Base::find_first_not_of;
990 
991  _GLIBCXX20_CONSTEXPR
992  size_type
993  find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
994  _GLIBCXX_NOEXCEPT
995  {
996  __glibcxx_check_string_len(__s, __n);
997  return _Base::find_first_not_of(__s, __pos, __n);
998  }
999 
1000  _GLIBCXX20_CONSTEXPR
1001  size_type
1002  find_first_not_of(const _CharT* __s, size_type __pos = 0) const
1003  _GLIBCXX_NOEXCEPT
1004  {
1005  __glibcxx_check_string(__s);
1006  return _Base::find_first_not_of(__s, __pos);
1007  }
1008 
1009  using _Base::find_last_not_of;
1010 
1011  _GLIBCXX20_CONSTEXPR
1012  size_type
1013  find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
1014  _GLIBCXX_NOEXCEPT
1015  {
1016  __glibcxx_check_string(__s);
1017  return _Base::find_last_not_of(__s, __pos, __n);
1018  }
1019 
1020  _GLIBCXX20_CONSTEXPR
1021  size_type
1022  find_last_not_of(const _CharT* __s, size_type __pos = _Base::npos) const
1023  _GLIBCXX_NOEXCEPT
1024  {
1025  __glibcxx_check_string(__s);
1026  return _Base::find_last_not_of(__s, __pos);
1027  }
1028 
1029  basic_string
1030  substr(size_type __pos = 0, size_type __n = _Base::npos) const
1031  { return basic_string(_Base::substr(__pos, __n)); }
1032 
1033  using _Base::compare;
1034 
1035  _GLIBCXX20_CONSTEXPR
1036  int
1037  compare(const _CharT* __s) const _GLIBCXX_NOEXCEPT
1038  {
1039  __glibcxx_check_string(__s);
1040  return _Base::compare(__s);
1041  }
1042 
1043  // _GLIBCXX_RESOLVE_LIB_DEFECTS
1044  // 5. string::compare specification questionable
1045  _GLIBCXX20_CONSTEXPR
1046  int
1047  compare(size_type __pos1, size_type __n1, const _CharT* __s) const
1048  {
1049  __glibcxx_check_string(__s);
1050  return _Base::compare(__pos1, __n1, __s);
1051  }
1052 
1053  // _GLIBCXX_RESOLVE_LIB_DEFECTS
1054  // 5. string::compare specification questionable
1055  _GLIBCXX20_CONSTEXPR
1056  int
1057  compare(size_type __pos1, size_type __n1,const _CharT* __s,
1058  size_type __n2) const
1059  {
1060  __glibcxx_check_string_len(__s, __n2);
1061  return _Base::compare(__pos1, __n1, __s, __n2);
1062  }
1063 
1064  _Base&
1065  _M_base() _GLIBCXX_NOEXCEPT { return *this; }
1066 
1067  const _Base&
1068  _M_base() const _GLIBCXX_NOEXCEPT { return *this; }
1069 
1070  using _Safe::_M_invalidate_all;
1071  };
1072 
1073  template<typename _CharT, typename _Traits, typename _Allocator>
1074  inline basic_string<_CharT,_Traits,_Allocator>
1075  operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1076  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1077  { return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs; }
1078 
1079  template<typename _CharT, typename _Traits, typename _Allocator>
1080  inline basic_string<_CharT,_Traits,_Allocator>
1081  operator+(const _CharT* __lhs,
1082  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1083  {
1084  __glibcxx_check_string(__lhs);
1085  return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs;
1086  }
1087 
1088  template<typename _CharT, typename _Traits, typename _Allocator>
1089  inline basic_string<_CharT,_Traits,_Allocator>
1090  operator+(_CharT __lhs,
1091  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1092  { return basic_string<_CharT,_Traits,_Allocator>(1, __lhs) += __rhs; }
1093 
1094  template<typename _CharT, typename _Traits, typename _Allocator>
1095  inline basic_string<_CharT,_Traits,_Allocator>
1096  operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1097  const _CharT* __rhs)
1098  {
1099  __glibcxx_check_string(__rhs);
1100  return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs;
1101  }
1102 
1103  template<typename _CharT, typename _Traits, typename _Allocator>
1104  inline basic_string<_CharT,_Traits,_Allocator>
1105  operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1106  _CharT __rhs)
1107  { return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs; }
1108 
1109  template<typename _CharT, typename _Traits, typename _Allocator>
1110  inline bool
1111  operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1112  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1113  { return __lhs._M_base() == __rhs._M_base(); }
1114 
1115  template<typename _CharT, typename _Traits, typename _Allocator>
1116  inline bool
1117  operator==(const _CharT* __lhs,
1118  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1119  {
1120  __glibcxx_check_string(__lhs);
1121  return __lhs == __rhs._M_base();
1122  }
1123 
1124  template<typename _CharT, typename _Traits, typename _Allocator>
1125  inline bool
1126  operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1127  const _CharT* __rhs)
1128  {
1129  __glibcxx_check_string(__rhs);
1130  return __lhs._M_base() == __rhs;
1131  }
1132 
1133  template<typename _CharT, typename _Traits, typename _Allocator>
1134  inline bool
1135  operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1136  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1137  { return __lhs._M_base() != __rhs._M_base(); }
1138 
1139  template<typename _CharT, typename _Traits, typename _Allocator>
1140  inline bool
1141  operator!=(const _CharT* __lhs,
1142  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1143  {
1144  __glibcxx_check_string(__lhs);
1145  return __lhs != __rhs._M_base();
1146  }
1147 
1148  template<typename _CharT, typename _Traits, typename _Allocator>
1149  inline bool
1150  operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1151  const _CharT* __rhs)
1152  {
1153  __glibcxx_check_string(__rhs);
1154  return __lhs._M_base() != __rhs;
1155  }
1156 
1157  template<typename _CharT, typename _Traits, typename _Allocator>
1158  inline bool
1159  operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1160  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1161  { return __lhs._M_base() < __rhs._M_base(); }
1162 
1163  template<typename _CharT, typename _Traits, typename _Allocator>
1164  inline bool
1165  operator<(const _CharT* __lhs,
1166  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1167  {
1168  __glibcxx_check_string(__lhs);
1169  return __lhs < __rhs._M_base();
1170  }
1171 
1172  template<typename _CharT, typename _Traits, typename _Allocator>
1173  inline bool
1174  operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1175  const _CharT* __rhs)
1176  {
1177  __glibcxx_check_string(__rhs);
1178  return __lhs._M_base() < __rhs;
1179  }
1180 
1181  template<typename _CharT, typename _Traits, typename _Allocator>
1182  inline bool
1183  operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1184  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1185  { return __lhs._M_base() <= __rhs._M_base(); }
1186 
1187  template<typename _CharT, typename _Traits, typename _Allocator>
1188  inline bool
1189  operator<=(const _CharT* __lhs,
1190  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1191  {
1192  __glibcxx_check_string(__lhs);
1193  return __lhs <= __rhs._M_base();
1194  }
1195 
1196  template<typename _CharT, typename _Traits, typename _Allocator>
1197  inline bool
1198  operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1199  const _CharT* __rhs)
1200  {
1201  __glibcxx_check_string(__rhs);
1202  return __lhs._M_base() <= __rhs;
1203  }
1204 
1205  template<typename _CharT, typename _Traits, typename _Allocator>
1206  inline bool
1207  operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1208  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1209  { return __lhs._M_base() >= __rhs._M_base(); }
1210 
1211  template<typename _CharT, typename _Traits, typename _Allocator>
1212  inline bool
1213  operator>=(const _CharT* __lhs,
1214  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1215  {
1216  __glibcxx_check_string(__lhs);
1217  return __lhs >= __rhs._M_base();
1218  }
1219 
1220  template<typename _CharT, typename _Traits, typename _Allocator>
1221  inline bool
1222  operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1223  const _CharT* __rhs)
1224  {
1225  __glibcxx_check_string(__rhs);
1226  return __lhs._M_base() >= __rhs;
1227  }
1228 
1229  template<typename _CharT, typename _Traits, typename _Allocator>
1230  inline bool
1231  operator>(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1232  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1233  { return __lhs._M_base() > __rhs._M_base(); }
1234 
1235  template<typename _CharT, typename _Traits, typename _Allocator>
1236  inline bool
1237  operator>(const _CharT* __lhs,
1238  const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1239  {
1240  __glibcxx_check_string(__lhs);
1241  return __lhs > __rhs._M_base();
1242  }
1243 
1244  template<typename _CharT, typename _Traits, typename _Allocator>
1245  inline bool
1246  operator>(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1247  const _CharT* __rhs)
1248  {
1249  __glibcxx_check_string(__rhs);
1250  return __lhs._M_base() > __rhs;
1251  }
1252 
1253  // 21.3.7.8:
1254  template<typename _CharT, typename _Traits, typename _Allocator>
1255  inline void
1256  swap(basic_string<_CharT,_Traits,_Allocator>& __lhs,
1257  basic_string<_CharT,_Traits,_Allocator>& __rhs)
1258  { __lhs.swap(__rhs); }
1259 
1260  template<typename _CharT, typename _Traits, typename _Allocator>
1261  std::basic_ostream<_CharT, _Traits>&
1262  operator<<(std::basic_ostream<_CharT, _Traits>& __os,
1263  const basic_string<_CharT, _Traits, _Allocator>& __str)
1264  { return __os << __str._M_base(); }
1265 
1266  template<typename _CharT, typename _Traits, typename _Allocator>
1267  std::basic_istream<_CharT,_Traits>&
1268  operator>>(std::basic_istream<_CharT,_Traits>& __is,
1269  basic_string<_CharT,_Traits,_Allocator>& __str)
1270  {
1271  std::basic_istream<_CharT,_Traits>& __res = __is >> __str._M_base();
1272  __str._M_invalidate_all();
1273  return __res;
1274  }
1275 
1276  template<typename _CharT, typename _Traits, typename _Allocator>
1277  std::basic_istream<_CharT,_Traits>&
1278  getline(std::basic_istream<_CharT,_Traits>& __is,
1279  basic_string<_CharT,_Traits,_Allocator>& __str, _CharT __delim)
1280  {
1281  std::basic_istream<_CharT,_Traits>& __res = getline(__is,
1282  __str._M_base(),
1283  __delim);
1284  __str._M_invalidate_all();
1285  return __res;
1286  }
1287 
1288  template<typename _CharT, typename _Traits, typename _Allocator>
1289  std::basic_istream<_CharT,_Traits>&
1290  getline(std::basic_istream<_CharT,_Traits>& __is,
1291  basic_string<_CharT,_Traits,_Allocator>& __str)
1292  {
1293  std::basic_istream<_CharT,_Traits>& __res = getline(__is,
1294  __str._M_base());
1295  __str._M_invalidate_all();
1296  return __res;
1297  }
1298 
1299  typedef basic_string<char> string;
1300 
1301  typedef basic_string<wchar_t> wstring;
1302 
1303 #ifdef _GLIBCXX_USE_CHAR8_T
1304  /// A string of @c char8_t
1305  typedef basic_string<char8_t> u8string;
1306 #endif
1307 
1308 #if __cplusplus >= 201103L
1309  /// A string of @c char16_t
1310  typedef basic_string<char16_t> u16string;
1311 
1312  /// A string of @c char32_t
1313  typedef basic_string<char32_t> u32string;
1314 #endif
1315 
1316  template<typename _CharT, typename _Traits, typename _Allocator>
1317  struct _Insert_range_from_self_is_safe<
1318  __gnu_debug::basic_string<_CharT, _Traits, _Allocator> >
1319  { enum { __value = 1 }; };
1320 
1321 } // namespace __gnu_debug
1322 
1323 #if __cplusplus >= 201103L
1324 namespace std _GLIBCXX_VISIBILITY(default)
1325 {
1326 _GLIBCXX_BEGIN_NAMESPACE_VERSION
1327 
1328  /// std::hash specialization for __gnu_debug::basic_string.
1329  template<typename _CharT>
1330  struct hash<__gnu_debug::basic_string<_CharT>>
1331  : public hash<std::basic_string<_CharT>>
1332  { };
1333 
1334  template<typename _CharT>
1335  struct __is_fast_hash<hash<__gnu_debug::basic_string<_CharT>>>
1336  : __is_fast_hash<hash<std::basic_string<_CharT>>>
1337  { };
1338 
1339 #ifdef __glibcxx_erase_if // C++ >= 20 && HOSTED
1340  template<typename _CharT, typename _Traits, typename _Alloc,
1341  typename _Predicate>
1342  constexpr typename __gnu_debug::basic_string<_CharT,
1343  _Traits, _Alloc>::size_type
1344  erase_if(__gnu_debug::basic_string<_CharT, _Traits, _Alloc>& __cont,
1345  _Predicate __pred)
1346  {
1347  return __detail::__erase_if(__cont, __cont._M_base(), std::move(__pred));
1348  }
1349 
1350  template<typename _CharT, typename _Traits, typename _Alloc,
1351  typename _Up _GLIBCXX26_DEF_VAL_T(_CharT)>
1352  constexpr typename __gnu_debug::basic_string<_CharT,
1353  _Traits, _Alloc>::size_type
1354  erase(__gnu_debug::basic_string<_CharT, _Traits, _Alloc>& __cont,
1355  const _Up& __value)
1356  { return std::erase_if(__cont, __gnu_cxx::__ops::__equal_to(__value)); }
1357 #endif // __glibcxx_erase_if
1358 
1359 _GLIBCXX_END_NAMESPACE_VERSION
1360 }
1361 #endif /* C++11 */
1362 
1363 #undef _GLIBCXX_INSERT_RETURNS_ITERATOR
1364 #undef _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY
1365 
1366 #endif
std::basic_string::npos
static const size_type npos
Value returned by various member functions when they fail.
Definition: cow_string.h:322
std::pair
Struct holding two objects of arbitrary type.
Definition: bits/stl_iterator.h:3122
std::basic_string::length
size_type length() const noexcept
Returns the number of characters in the string, not including any null-termination.
Definition: cow_string.h:967
std::basic_string::empty
bool empty() const noexcept
Definition: cow_string.h:1116
__gnu_debug::_Safe_container
Safe class dealing with some allocator dependent operations.
Definition: safe_container.h:41
__gnu_debug::_Safe_sequence
Base class for constructing a safe sequence type that tracks iterators that reference it.
Definition: formatter.h:103
std::basic_string::operator[]
const_reference operator[](size_type __pos) const noexcept
Subscript access to the data contained in the string.
Definition: cow_string.h:1131
std::basic_string::substr
basic_string substr(size_type __pos=0, size_type __n=npos) const
Get a substring.
Definition: cow_string.h:2918
std::basic_ostream
Template class basic_ostream.
Definition: iosfwd:90
std::getline
basic_istream< _CharT, _Traits > & getline(basic_istream< _CharT, _Traits > &__is, basic_string< _CharT, _Traits, _Alloc > &__str, _CharT __delim)
Read a line from stream into a string.
Definition: basic_string.tcc:970
std::basic_string::find_last_of
size_type find_last_of(const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a character of string.
Definition: cow_string.h:2670
__gnu_debug::__base
constexpr _Iterator __base(_Iterator __it)
Definition: helper_functions.h:339
std::chrono::operator>=
constexpr bool operator>=(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
Definition: chrono.h:873
__glibcxx_check_erase_range
#define __glibcxx_check_erase_range(_First, _Last)
Definition: macros.h:245
std::basic_string::find_last_not_of
size_type find_last_not_of(const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a character not in string.
Definition: cow_string.h:2835
std::basic_string::c_str
const _CharT * c_str() const noexcept
Return const pointer to null-terminated contents.
Definition: cow_string.h:2376
std::basic_string::data
const _CharT * data() const noexcept
Return const pointer to contents.
Definition: cow_string.h:2388
std::string
basic_string< char > string
A string of char.
Definition: stringfwd.h:74
__gnu_debug::_Safe_iterator::base
constexpr _Iterator & base() noexcept
Return the underlying iterator.
Definition: safe_iterator.h:433
string
std::move
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
Definition: move.h:138
std::chrono::operator<=
constexpr bool operator<=(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
Definition: chrono.h:859
std::basic_string::replace
basic_string & replace(size_type __pos, size_type __n, const basic_string &__str)
Replace characters with value from another string.
Definition: cow_string.h:1928
std::basic_string::append
basic_string & append(const basic_string &__str)
Append a string to this string.
Definition: cow_string.h:3490
__gnu_debug::__check_string
const _CharT * __check_string(const _CharT *__s, _Integer __n, const char *__file, unsigned int __line, const char *__function)
Definition: debug/string:84
safe_container.h
std::basic_string::front
reference front()
Definition: cow_string.h:1209
std::basic_string::operator=
basic_string & operator=(const basic_string &__str)
Assign the value of str to this string.
Definition: cow_string.h:766
std::basic_string::begin
iterator begin()
Definition: cow_string.h:844
std::basic_string::copy
size_type copy(_CharT *__s, size_type __n, size_type __pos=0) const
Copy substring into C string.
Definition: cow_string.h:3892
std::basic_istream
Template class basic_istream.
Definition: iosfwd:87
__gnu_debug
GNU debug classes for public use.
Definition: boost_concept_check.h:59
std::initializer_list
initializer_list
Definition: initializer_list:47
__gnu_debug::_Safe_iterator
Safe iterator wrapper.
Definition: boost_concept_check.h:62
std::basic_string::swap
void swap(basic_string &__s) noexcept(/*conditional */)
Swap contents with another string.
Definition: cow_string.h:3696
std::hash
Primary class template hash.
Definition: string_view:796
__glibcxx_check_insert
#define __glibcxx_check_insert(_Position)
Definition: macros.h:143
std::basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > >::capacity
size_type capacity() const noexcept
Definition: cow_string.h:1059
std::basic_string::clear
void clear() noexcept
Definition: cow_string.h:1094
std::basic_string::operator+=
basic_string & operator+=(const basic_string &__str)
Append a string to this string.
Definition: cow_string.h:1256
std
ISO C++ entities toplevel namespace is std.
__gnu_debug::basic_string
Class std::basic_string with safety/checking/debug instrumentation.
Definition: debug/string:131
std::wstring
basic_string< wchar_t > wstring
A string of wchar_t.
Definition: stringfwd.h:82
std::basic_string::get_allocator
allocator_type get_allocator() const noexcept
Return copy of allocator used to construct this string.
Definition: cow_string.h:2415
std::basic_string::insert
void insert(iterator __p, size_type __n, _CharT __c)
Insert multiple characters.
Definition: cow_string.h:1619
__glibcxx_check_erase
#define __glibcxx_check_erase(_Position)
Definition: macros.h:209
__glibcxx_check_insert_range
#define __glibcxx_check_insert_range(_Position, _First, _Last, _Dist)
Definition: macros.h:177
std::reverse_iterator
Definition: bits/stl_iterator.h:131
std::basic_string::resize
void resize(size_type __n, _CharT __c)
Resizes the string to the specified number of characters.
Definition: cow_string.h:3818
std::basic_string::compare
int compare(const basic_string &__str) const
Compare to a string.
Definition: cow_string.h:2956
std::operator<<
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
Definition: bitset:1754
std::operator>>
std::basic_istream< _CharT, _Traits > & operator>>(std::basic_istream< _CharT, _Traits > &__is, bitset< _Nb > &__x)
Global I/O operators for bitsets.
Definition: bitset:1658
std::basic_string::back
reference back()
Definition: cow_string.h:1231
std::basic_string::end
iterator end()
Definition: cow_string.h:863
std::basic_string::erase
basic_string & erase(size_type __pos=0, size_type __n=npos)
Remove characters.
Definition: cow_string.h:1858
std::basic_string::max_size
size_type max_size() const noexcept
Returns the size() of the largest possible string.
Definition: cow_string.h:972
std::basic_string::size
size_type size() const noexcept
Returns the number of characters in the string, not including any null-termination.
Definition: cow_string.h:955
safe_sequence.h
std::basic_string::at
const_reference at(size_type __n) const
Provides access to the data contained in the string.
Definition: cow_string.h:1170
std::basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > >::reserve
void reserve()
Equivalent to shrink_to_fit().
Definition: cow_string.h:3871
std::basic_string
Managing sequences of characters and character-like objects.
Definition: cow_string.h:108
std::basic_string::pop_back
void pop_back()
Remove the last character.
Definition: cow_string.h:1903
std::operator+
constexpr complex< _Tp > operator+(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x plus y.
Definition: complex:374
std::basic_string::push_back
void push_back(_CharT __c)
Append a single character.
Definition: cow_string.h:1437
std::basic_string::find
size_type find(const _CharT *__s, size_type __pos, size_type __n) const noexcept
Find position of a C substring.
Definition: basic_string.tcc:690
std::pair::second
_T2 second
The second member.
Definition: stl_pair.h:309
std::basic_string::find_first_of
size_type find_first_of(const basic_string &__str, size_type __pos=0) const noexcept
Find position of a character of string.
Definition: cow_string.h:2586
std::chrono::operator>
constexpr bool operator>(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
Definition: chrono.h:866
std::basic_string::assign
basic_string & assign(const basic_string &__str)
Set value to contents of another string.
Definition: cow_string.h:3408
std::is_nothrow_constructible
is_nothrow_constructible
Definition: type_traits:1315
std::basic_string::cbegin
const_iterator cbegin() const noexcept
Definition: cow_string.h:919
std::chrono::operator<
constexpr bool operator<(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
Definition: chrono.h:826
std::__is_fast_hash
Definition: functional_hash.h:307
std::basic_string::find_first_not_of
size_type find_first_not_of(const basic_string &__str, size_type __pos=0) const noexcept
Find position of a character not in string.
Definition: cow_string.h:2753
std::basic_string::rfind
size_type rfind(const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a string.
Definition: cow_string.h:2507
__gnu_debug::u32string
basic_string< char32_t > u32string
A string of char32_t.
Definition: debug/string:1313
__gnu_debug::u16string
basic_string< char16_t > u16string
A string of char16_t.
Definition: debug/string:1310
safe_iterator.h