source: Daodan/MSYS2/mingw32/include/c++/11.2.0/debug/string@ 1189

Last change on this file since 1189 was 1166, checked in by rossy, 4 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env
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Line 
1// Debugging string 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/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#pragma GCC system_header
33
34#include <string>
35#include <debug/safe_sequence.h>
36#include <debug/safe_container.h>
37#include <debug/safe_iterator.h>
38
39#define _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_Cond,_File,_Line,_Func) \
40 if (! (_Cond)) \
41 __gnu_debug::_Error_formatter::_S_at(_File, _Line, _Func) \
42 ._M_message(#_Cond)._M_error()
43
44#if _GLIBCXX_USE_CXX11_ABI && __cplusplus >= 201103
45# define _GLIBCXX_INSERT_RETURNS_ITERATOR 1
46# define _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(expr) expr
47#else
48# define _GLIBCXX_INSERT_RETURNS_ITERATOR 0
49# define _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(expr)
50#endif
51
52namespace __gnu_debug
53{
54 /** Checks that __s is non-NULL or __n == 0, and then returns __s. */
55 template<typename _CharT, typename _Integer>
56 inline const _CharT*
57 __check_string(const _CharT* __s,
58 _Integer __n __attribute__((__unused__)),
59 const char* __file __attribute__((__unused__)),
60 unsigned int __line __attribute__((__unused__)),
61 const char* __function __attribute__((__unused__)))
62 {
63#ifdef _GLIBCXX_DEBUG_PEDANTIC
64 _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != 0 || __n == 0,
65 __file, __line, __function);
66#endif
67 return __s;
68 }
69
70 /** Checks that __s is non-NULL and then returns __s. */
71 template<typename _CharT>
72 inline const _CharT*
73 __check_string(const _CharT* __s,
74 const char* __file __attribute__((__unused__)),
75 unsigned int __line __attribute__((__unused__)),
76 const char* __function __attribute__((__unused__)))
77 {
78#ifdef _GLIBCXX_DEBUG_PEDANTIC
79 _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != 0,
80 __file, __line, __function);
81#endif
82 return __s;
83 }
84
85#define __glibcxx_check_string_n_constructor(_Str, _Size) \
86 __check_string(_Str, _Size, __FILE__, __LINE__, __PRETTY_FUNCTION__)
87
88#define __glibcxx_check_string_constructor(_Str) \
89 __check_string(_Str, __FILE__, __LINE__, __PRETTY_FUNCTION__)
90
91 /// Class std::basic_string with safety/checking/debug instrumentation.
92 template<typename _CharT, typename _Traits = std::char_traits<_CharT>,
93 typename _Allocator = std::allocator<_CharT> >
94 class basic_string
95 : public __gnu_debug::_Safe_container<
96 basic_string<_CharT, _Traits, _Allocator>,
97 _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>,
98 public std::basic_string<_CharT, _Traits, _Allocator>
99 {
100 typedef std::basic_string<_CharT, _Traits, _Allocator> _Base;
101 typedef __gnu_debug::_Safe_container<
102 basic_string, _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>
103 _Safe;
104
105 template<typename _ItT, typename _SeqT, typename _CatT>
106 friend class ::__gnu_debug::_Safe_iterator;
107
108 // type used for positions in insert, erase etc.
109 typedef __gnu_debug::_Safe_iterator<
110 typename _Base::__const_iterator, basic_string> __const_iterator;
111
112 public:
113 // types:
114 typedef _Traits traits_type;
115 typedef typename _Traits::char_type value_type;
116 typedef _Allocator allocator_type;
117 typedef typename _Base::size_type size_type;
118 typedef typename _Base::difference_type difference_type;
119 typedef typename _Base::reference reference;
120 typedef typename _Base::const_reference const_reference;
121 typedef typename _Base::pointer pointer;
122 typedef typename _Base::const_pointer const_pointer;
123
124 typedef __gnu_debug::_Safe_iterator<
125 typename _Base::iterator, basic_string> iterator;
126 typedef __gnu_debug::_Safe_iterator<
127 typename _Base::const_iterator, basic_string> const_iterator;
128
129 typedef std::reverse_iterator<iterator> reverse_iterator;
130 typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
131
132 using _Base::npos;
133
134 // 21.3.1 construct/copy/destroy:
135
136 explicit
137 basic_string(const _Allocator& __a) _GLIBCXX_NOEXCEPT
138 : _Base(__a) { }
139
140#if __cplusplus < 201103L
141 basic_string() : _Base() { }
142
143 basic_string(const basic_string& __str)
144 : _Base(__str) { }
145
146 ~basic_string() { }
147#else
148 basic_string() = default;
149 basic_string(const basic_string&) = default;
150 basic_string(basic_string&&) = default;
151
152 basic_string(std::initializer_list<_CharT> __l,
153 const _Allocator& __a = _Allocator())
154 : _Base(__l, __a)
155 { }
156
157 basic_string(const basic_string& __s, const _Allocator& __a)
158 : _Base(__s, __a) { }
159
160 basic_string(basic_string&& __s, const _Allocator& __a)
161 noexcept(
162 std::is_nothrow_constructible<_Base, _Base, const _Allocator&>::value )
163 : _Safe(std::move(__s._M_safe()), __a),
164 _Base(std::move(__s._M_base()), __a)
165 { }
166
167 ~basic_string() = default;
168
169 // Provides conversion from a normal-mode string to a debug-mode string
170 basic_string(_Base&& __base) noexcept
171 : _Base(std::move(__base)) { }
172#endif // C++11
173
174 // Provides conversion from a normal-mode string to a debug-mode string
175 basic_string(const _Base& __base)
176 : _Base(__base) { }
177
178 // _GLIBCXX_RESOLVE_LIB_DEFECTS
179 // 42. string ctors specify wrong default allocator
180 basic_string(const basic_string& __str, size_type __pos,
181 size_type __n = _Base::npos,
182 const _Allocator& __a = _Allocator())
183 : _Base(__str, __pos, __n, __a) { }
184
185 basic_string(const _CharT* __s, size_type __n,
186 const _Allocator& __a = _Allocator())
187 : _Base(__glibcxx_check_string_n_constructor(__s, __n), __n, __a) { }
188
189 basic_string(const _CharT* __s, const _Allocator& __a = _Allocator())
190 : _Base(__glibcxx_check_string_constructor(__s), __a)
191 { }
192
193 basic_string(size_type __n, _CharT __c,
194 const _Allocator& __a = _Allocator())
195 : _Base(__n, __c, __a) { }
196
197 template<typename _InputIterator>
198 basic_string(_InputIterator __begin, _InputIterator __end,
199 const _Allocator& __a = _Allocator())
200 : _Base(__gnu_debug::__base(
201 __glibcxx_check_valid_constructor_range(__begin, __end)),
202 __gnu_debug::__base(__end), __a) { }
203
204#if __cplusplus < 201103L
205 basic_string&
206 operator=(const basic_string& __str)
207 {
208 this->_M_safe() = __str;
209 _M_base() = __str;
210 return *this;
211 }
212#else
213 basic_string&
214 operator=(const basic_string&) = default;
215
216 basic_string&
217 operator=(basic_string&&) = default;
218#endif
219
220 basic_string&
221 operator=(const _CharT* __s)
222 {
223 __glibcxx_check_string(__s);
224 _M_base() = __s;
225 this->_M_invalidate_all();
226 return *this;
227 }
228
229 basic_string&
230 operator=(_CharT __c)
231 {
232 _M_base() = __c;
233 this->_M_invalidate_all();
234 return *this;
235 }
236
237#if __cplusplus >= 201103L
238 basic_string&
239 operator=(std::initializer_list<_CharT> __l)
240 {
241 _M_base() = __l;
242 this->_M_invalidate_all();
243 return *this;
244 }
245#endif // C++11
246
247 // 21.3.2 iterators:
248 iterator
249 begin() // _GLIBCXX_NOEXCEPT
250 { return iterator(_Base::begin(), this); }
251
252 const_iterator
253 begin() const _GLIBCXX_NOEXCEPT
254 { return const_iterator(_Base::begin(), this); }
255
256 iterator
257 end() // _GLIBCXX_NOEXCEPT
258 { return iterator(_Base::end(), this); }
259
260 const_iterator
261 end() const _GLIBCXX_NOEXCEPT
262 { return const_iterator(_Base::end(), this); }
263
264 reverse_iterator
265 rbegin() // _GLIBCXX_NOEXCEPT
266 { return reverse_iterator(end()); }
267
268 const_reverse_iterator
269 rbegin() const _GLIBCXX_NOEXCEPT
270 { return const_reverse_iterator(end()); }
271
272 reverse_iterator
273 rend() // _GLIBCXX_NOEXCEPT
274 { return reverse_iterator(begin()); }
275
276 const_reverse_iterator
277 rend() const _GLIBCXX_NOEXCEPT
278 { return const_reverse_iterator(begin()); }
279
280#if __cplusplus >= 201103L
281 const_iterator
282 cbegin() const noexcept
283 { return const_iterator(_Base::begin(), this); }
284
285 const_iterator
286 cend() const noexcept
287 { return const_iterator(_Base::end(), this); }
288
289 const_reverse_iterator
290 crbegin() const noexcept
291 { return const_reverse_iterator(end()); }
292
293 const_reverse_iterator
294 crend() const noexcept
295 { return const_reverse_iterator(begin()); }
296#endif
297
298 // 21.3.3 capacity:
299 using _Base::size;
300 using _Base::length;
301 using _Base::max_size;
302
303 void
304 resize(size_type __n, _CharT __c)
305 {
306 _Base::resize(__n, __c);
307 this->_M_invalidate_all();
308 }
309
310 void
311 resize(size_type __n)
312 { this->resize(__n, _CharT()); }
313
314#if __cplusplus >= 201103L
315 void
316 shrink_to_fit() noexcept
317 {
318 if (capacity() > size())
319 {
320 __try
321 {
322 reserve(0);
323 this->_M_invalidate_all();
324 }
325 __catch(...)
326 { }
327 }
328 }
329#endif
330
331 using _Base::capacity;
332 using _Base::reserve;
333
334 void
335 clear() // _GLIBCXX_NOEXCEPT
336 {
337 _Base::clear();
338 this->_M_invalidate_all();
339 }
340
341 using _Base::empty;
342
343 // 21.3.4 element access:
344 const_reference
345 operator[](size_type __pos) const _GLIBCXX_NOEXCEPT
346 {
347 _GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
348 _M_message(__gnu_debug::__msg_subscript_oob)
349 ._M_sequence(*this, "this")
350 ._M_integer(__pos, "__pos")
351 ._M_integer(this->size(), "size"));
352 return _M_base()[__pos];
353 }
354
355 reference
356 operator[](size_type __pos) // _GLIBCXX_NOEXCEPT
357 {
358#if __cplusplus < 201103L && defined(_GLIBCXX_DEBUG_PEDANTIC)
359 __glibcxx_check_subscript(__pos);
360#else
361 // as an extension v3 allows s[s.size()] when s is non-const.
362 _GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
363 _M_message(__gnu_debug::__msg_subscript_oob)
364 ._M_sequence(*this, "this")
365 ._M_integer(__pos, "__pos")
366 ._M_integer(this->size(), "size"));
367#endif
368 return _M_base()[__pos];
369 }
370
371 using _Base::at;
372
373#if __cplusplus >= 201103L
374 using _Base::front;
375 using _Base::back;
376#endif
377
378 // 21.3.5 modifiers:
379 basic_string&
380 operator+=(const basic_string& __str)
381 {
382 _M_base() += __str;
383 this->_M_invalidate_all();
384 return *this;
385 }
386
387 basic_string&
388 operator+=(const _CharT* __s)
389 {
390 __glibcxx_check_string(__s);
391 _M_base() += __s;
392 this->_M_invalidate_all();
393 return *this;
394 }
395
396 basic_string&
397 operator+=(_CharT __c)
398 {
399 _M_base() += __c;
400 this->_M_invalidate_all();
401 return *this;
402 }
403
404#if __cplusplus >= 201103L
405 basic_string&
406 operator+=(std::initializer_list<_CharT> __l)
407 {
408 _M_base() += __l;
409 this->_M_invalidate_all();
410 return *this;
411 }
412#endif // C++11
413
414 basic_string&
415 append(const basic_string& __str)
416 {
417 _Base::append(__str);
418 this->_M_invalidate_all();
419 return *this;
420 }
421
422 basic_string&
423 append(const basic_string& __str, size_type __pos, size_type __n)
424 {
425 _Base::append(__str, __pos, __n);
426 this->_M_invalidate_all();
427 return *this;
428 }
429
430 basic_string&
431 append(const _CharT* __s, size_type __n)
432 {
433 __glibcxx_check_string_len(__s, __n);
434 _Base::append(__s, __n);
435 this->_M_invalidate_all();
436 return *this;
437 }
438
439 basic_string&
440 append(const _CharT* __s)
441 {
442 __glibcxx_check_string(__s);
443 _Base::append(__s);
444 this->_M_invalidate_all();
445 return *this;
446 }
447
448 basic_string&
449 append(size_type __n, _CharT __c)
450 {
451 _Base::append(__n, __c);
452 this->_M_invalidate_all();
453 return *this;
454 }
455
456 template<typename _InputIterator>
457 basic_string&
458 append(_InputIterator __first, _InputIterator __last)
459 {
460 typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
461 __glibcxx_check_valid_range2(__first, __last, __dist);
462
463 if (__dist.second >= __dp_sign)
464 _Base::append(__gnu_debug::__unsafe(__first),
465 __gnu_debug::__unsafe(__last));
466 else
467 _Base::append(__first, __last);
468
469 this->_M_invalidate_all();
470 return *this;
471 }
472
473 // _GLIBCXX_RESOLVE_LIB_DEFECTS
474 // 7. string clause minor problems
475 void
476 push_back(_CharT __c)
477 {
478 _Base::push_back(__c);
479 this->_M_invalidate_all();
480 }
481
482 basic_string&
483 assign(const basic_string& __x)
484 {
485 _Base::assign(__x);
486 this->_M_invalidate_all();
487 return *this;
488 }
489
490#if __cplusplus >= 201103L
491 basic_string&
492 assign(basic_string&& __x)
493 noexcept(noexcept(std::declval<_Base&>().assign(std::move(__x))))
494 {
495 _Base::assign(std::move(__x));
496 this->_M_invalidate_all();
497 return *this;
498 }
499#endif // C++11
500
501 basic_string&
502 assign(const basic_string& __str, size_type __pos, size_type __n)
503 {
504 _Base::assign(__str, __pos, __n);
505 this->_M_invalidate_all();
506 return *this;
507 }
508
509 basic_string&
510 assign(const _CharT* __s, size_type __n)
511 {
512 __glibcxx_check_string_len(__s, __n);
513 _Base::assign(__s, __n);
514 this->_M_invalidate_all();
515 return *this;
516 }
517
518 basic_string&
519 assign(const _CharT* __s)
520 {
521 __glibcxx_check_string(__s);
522 _Base::assign(__s);
523 this->_M_invalidate_all();
524 return *this;
525 }
526
527 basic_string&
528 assign(size_type __n, _CharT __c)
529 {
530 _Base::assign(__n, __c);
531 this->_M_invalidate_all();
532 return *this;
533 }
534
535 template<typename _InputIterator>
536 basic_string&
537 assign(_InputIterator __first, _InputIterator __last)
538 {
539 typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
540 __glibcxx_check_valid_range2(__first, __last, __dist);
541
542 if (__dist.second >= __dp_sign)
543 _Base::assign(__gnu_debug::__unsafe(__first),
544 __gnu_debug::__unsafe(__last));
545 else
546 _Base::assign(__first, __last);
547
548 this->_M_invalidate_all();
549 return *this;
550 }
551
552#if __cplusplus >= 201103L
553 basic_string&
554 assign(std::initializer_list<_CharT> __l)
555 {
556 _Base::assign(__l);
557 this->_M_invalidate_all();
558 return *this;
559 }
560#endif // C++11
561
562 basic_string&
563 insert(size_type __pos1, const basic_string& __str)
564 {
565 _Base::insert(__pos1, __str);
566 this->_M_invalidate_all();
567 return *this;
568 }
569
570 basic_string&
571 insert(size_type __pos1, const basic_string& __str,
572 size_type __pos2, size_type __n)
573 {
574 _Base::insert(__pos1, __str, __pos2, __n);
575 this->_M_invalidate_all();
576 return *this;
577 }
578
579 basic_string&
580 insert(size_type __pos, const _CharT* __s, size_type __n)
581 {
582 __glibcxx_check_string(__s);
583 _Base::insert(__pos, __s, __n);
584 this->_M_invalidate_all();
585 return *this;
586 }
587
588 basic_string&
589 insert(size_type __pos, const _CharT* __s)
590 {
591 __glibcxx_check_string(__s);
592 _Base::insert(__pos, __s);
593 this->_M_invalidate_all();
594 return *this;
595 }
596
597 basic_string&
598 insert(size_type __pos, size_type __n, _CharT __c)
599 {
600 _Base::insert(__pos, __n, __c);
601 this->_M_invalidate_all();
602 return *this;
603 }
604
605 iterator
606 insert(__const_iterator __p, _CharT __c)
607 {
608 __glibcxx_check_insert(__p);
609 typename _Base::iterator __res = _Base::insert(__p.base(), __c);
610 this->_M_invalidate_all();
611 return iterator(__res, this);
612 }
613
614#if __cplusplus >= 201103L
615 iterator
616 insert(const_iterator __p, size_type __n, _CharT __c)
617 {
618 __glibcxx_check_insert(__p);
619#if _GLIBCXX_USE_CXX11_ABI
620 typename _Base::iterator __res = _Base::insert(__p.base(), __n, __c);
621#else
622 const size_type __offset = __p.base() - _Base::cbegin();
623 _Base::insert(_Base::begin() + __offset, __n, __c);
624 typename _Base::iterator __res = _Base::begin() + __offset;
625#endif
626 this->_M_invalidate_all();
627 return iterator(__res, this);
628 }
629#else
630 void
631 insert(iterator __p, size_type __n, _CharT __c)
632 {
633 __glibcxx_check_insert(__p);
634 _Base::insert(__p.base(), __n, __c);
635 this->_M_invalidate_all();
636 }
637#endif
638
639 template<typename _InputIterator>
640 iterator
641 insert(__const_iterator __p,
642 _InputIterator __first, _InputIterator __last)
643 {
644 typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
645 __glibcxx_check_insert_range(__p, __first, __last, __dist);
646
647 typename _Base::iterator __res;
648#if ! _GLIBCXX_INSERT_RETURNS_ITERATOR
649 const size_type __offset = __p.base() - _Base::begin();
650#endif
651 if (__dist.second >= __dp_sign)
652 {
653 _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(__res =)
654 _Base::insert(__p.base(), __gnu_debug::__unsafe(__first),
655 __gnu_debug::__unsafe(__last));
656 }
657 else
658 {
659 _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(__res =)
660 _Base::insert(__p.base(), __first, __last);
661 }
662
663#if ! _GLIBCXX_INSERT_RETURNS_ITERATOR
664 __res = _Base::begin() + __offset;
665#endif
666 this->_M_invalidate_all();
667 return iterator(__res, this);
668 }
669
670#if __cplusplus >= 201103L
671 iterator
672 insert(const_iterator __p, std::initializer_list<_CharT> __l)
673 {
674 __glibcxx_check_insert(__p);
675#if _GLIBCXX_USE_CXX11_ABI
676 const auto __res = _Base::insert(__p.base(), __l);
677#else
678 const size_type __offset = __p.base() - _Base::cbegin();
679 _Base::insert(_Base::begin() + __offset, __l);
680 auto __res = _Base::begin() + __offset;
681#endif
682 this->_M_invalidate_all();
683 return iterator(__res, this);
684 }
685#endif // C++11
686
687 basic_string&
688 erase(size_type __pos = 0, size_type __n = _Base::npos)
689 {
690 _Base::erase(__pos, __n);
691 this->_M_invalidate_all();
692 return *this;
693 }
694
695 iterator
696 erase(__const_iterator __position)
697 {
698 __glibcxx_check_erase(__position);
699 typename _Base::iterator __res = _Base::erase(__position.base());
700 this->_M_invalidate_all();
701 return iterator(__res, this);
702 }
703
704 iterator
705 erase(__const_iterator __first, __const_iterator __last)
706 {
707 // _GLIBCXX_RESOLVE_LIB_DEFECTS
708 // 151. can't currently clear() empty container
709 __glibcxx_check_erase_range(__first, __last);
710 typename _Base::iterator __res = _Base::erase(__first.base(),
711 __last.base());
712 this->_M_invalidate_all();
713 return iterator(__res, this);
714 }
715
716#if __cplusplus >= 201103L
717 void
718 pop_back() // noexcept
719 {
720 __glibcxx_check_nonempty();
721 _Base::pop_back();
722 this->_M_invalidate_all();
723 }
724#endif // C++11
725
726 basic_string&
727 replace(size_type __pos1, size_type __n1, const basic_string& __str)
728 {
729 _Base::replace(__pos1, __n1, __str);
730 this->_M_invalidate_all();
731 return *this;
732 }
733
734 basic_string&
735 replace(size_type __pos1, size_type __n1, const basic_string& __str,
736 size_type __pos2, size_type __n2)
737 {
738 _Base::replace(__pos1, __n1, __str, __pos2, __n2);
739 this->_M_invalidate_all();
740 return *this;
741 }
742
743 basic_string&
744 replace(size_type __pos, size_type __n1, const _CharT* __s,
745 size_type __n2)
746 {
747 __glibcxx_check_string_len(__s, __n2);
748 _Base::replace(__pos, __n1, __s, __n2);
749 this->_M_invalidate_all();
750 return *this;
751 }
752
753 basic_string&
754 replace(size_type __pos, size_type __n1, const _CharT* __s)
755 {
756 __glibcxx_check_string(__s);
757 _Base::replace(__pos, __n1, __s);
758 this->_M_invalidate_all();
759 return *this;
760 }
761
762 basic_string&
763 replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
764 {
765 _Base::replace(__pos, __n1, __n2, __c);
766 this->_M_invalidate_all();
767 return *this;
768 }
769
770 basic_string&
771 replace(__const_iterator __i1, __const_iterator __i2,
772 const basic_string& __str)
773 {
774 __glibcxx_check_erase_range(__i1, __i2);
775 _Base::replace(__i1.base(), __i2.base(), __str);
776 this->_M_invalidate_all();
777 return *this;
778 }
779
780 basic_string&
781 replace(__const_iterator __i1, __const_iterator __i2,
782 const _CharT* __s, size_type __n)
783 {
784 __glibcxx_check_erase_range(__i1, __i2);
785 __glibcxx_check_string_len(__s, __n);
786 _Base::replace(__i1.base(), __i2.base(), __s, __n);
787 this->_M_invalidate_all();
788 return *this;
789 }
790
791 basic_string&
792 replace(__const_iterator __i1, __const_iterator __i2,
793 const _CharT* __s)
794 {
795 __glibcxx_check_erase_range(__i1, __i2);
796 __glibcxx_check_string(__s);
797 _Base::replace(__i1.base(), __i2.base(), __s);
798 this->_M_invalidate_all();
799 return *this;
800 }
801
802 basic_string&
803 replace(__const_iterator __i1, __const_iterator __i2,
804 size_type __n, _CharT __c)
805 {
806 __glibcxx_check_erase_range(__i1, __i2);
807 _Base::replace(__i1.base(), __i2.base(), __n, __c);
808 this->_M_invalidate_all();
809 return *this;
810 }
811
812 template<typename _InputIterator>
813 basic_string&
814 replace(__const_iterator __i1, __const_iterator __i2,
815 _InputIterator __j1, _InputIterator __j2)
816 {
817 __glibcxx_check_erase_range(__i1, __i2);
818
819 typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
820 __glibcxx_check_valid_range2(__j1, __j2, __dist);
821
822 if (__dist.second >= __dp_sign)
823 _Base::replace(__i1.base(), __i2.base(),
824 __gnu_debug::__unsafe(__j1),
825 __gnu_debug::__unsafe(__j2));
826 else
827 _Base::replace(__i1.base(), __i2.base(), __j1, __j2);
828
829 this->_M_invalidate_all();
830 return *this;
831 }
832
833#if __cplusplus >= 201103L
834 basic_string&
835 replace(__const_iterator __i1, __const_iterator __i2,
836 std::initializer_list<_CharT> __l)
837 {
838 __glibcxx_check_erase_range(__i1, __i2);
839 _Base::replace(__i1.base(), __i2.base(), __l);
840 this->_M_invalidate_all();
841 return *this;
842 }
843#endif // C++11
844
845 size_type
846 copy(_CharT* __s, size_type __n, size_type __pos = 0) const
847 {
848 __glibcxx_check_string_len(__s, __n);
849 return _Base::copy(__s, __n, __pos);
850 }
851
852 void
853 swap(basic_string& __x)
854 _GLIBCXX_NOEXCEPT_IF(std::__is_nothrow_swappable<_Base>::value)
855 {
856 _Safe::_M_swap(__x);
857 _Base::swap(__x);
858 }
859
860 // 21.3.6 string operations:
861 const _CharT*
862 c_str() const _GLIBCXX_NOEXCEPT
863 {
864 const _CharT* __res = _Base::c_str();
865 this->_M_invalidate_all();
866 return __res;
867 }
868
869 const _CharT*
870 data() const _GLIBCXX_NOEXCEPT
871 {
872 const _CharT* __res = _Base::data();
873 this->_M_invalidate_all();
874 return __res;
875 }
876
877 using _Base::get_allocator;
878
879 size_type
880 find(const basic_string& __str, size_type __pos = 0) const
881 _GLIBCXX_NOEXCEPT
882 { return _Base::find(__str, __pos); }
883
884 size_type
885 find(const _CharT* __s, size_type __pos, size_type __n) const
886 {
887 __glibcxx_check_string(__s);
888 return _Base::find(__s, __pos, __n);
889 }
890
891 size_type
892 find(const _CharT* __s, size_type __pos = 0) const
893 {
894 __glibcxx_check_string(__s);
895 return _Base::find(__s, __pos);
896 }
897
898 size_type
899 find(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
900 { return _Base::find(__c, __pos); }
901
902 size_type
903 rfind(const basic_string& __str, size_type __pos = _Base::npos) const
904 _GLIBCXX_NOEXCEPT
905 { return _Base::rfind(__str, __pos); }
906
907 size_type
908 rfind(const _CharT* __s, size_type __pos, size_type __n) const
909 {
910 __glibcxx_check_string_len(__s, __n);
911 return _Base::rfind(__s, __pos, __n);
912 }
913
914 size_type
915 rfind(const _CharT* __s, size_type __pos = _Base::npos) const
916 {
917 __glibcxx_check_string(__s);
918 return _Base::rfind(__s, __pos);
919 }
920
921 size_type
922 rfind(_CharT __c, size_type __pos = _Base::npos) const _GLIBCXX_NOEXCEPT
923 { return _Base::rfind(__c, __pos); }
924
925 size_type
926 find_first_of(const basic_string& __str, size_type __pos = 0) const
927 _GLIBCXX_NOEXCEPT
928 { return _Base::find_first_of(__str, __pos); }
929
930 size_type
931 find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
932 {
933 __glibcxx_check_string(__s);
934 return _Base::find_first_of(__s, __pos, __n);
935 }
936
937 size_type
938 find_first_of(const _CharT* __s, size_type __pos = 0) const
939 {
940 __glibcxx_check_string(__s);
941 return _Base::find_first_of(__s, __pos);
942 }
943
944 size_type
945 find_first_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
946 { return _Base::find_first_of(__c, __pos); }
947
948 size_type
949 find_last_of(const basic_string& __str,
950 size_type __pos = _Base::npos) const _GLIBCXX_NOEXCEPT
951 { return _Base::find_last_of(__str, __pos); }
952
953 size_type
954 find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
955 {
956 __glibcxx_check_string(__s);
957 return _Base::find_last_of(__s, __pos, __n);
958 }
959
960 size_type
961 find_last_of(const _CharT* __s, size_type __pos = _Base::npos) const
962 {
963 __glibcxx_check_string(__s);
964 return _Base::find_last_of(__s, __pos);
965 }
966
967 size_type
968 find_last_of(_CharT __c, size_type __pos = _Base::npos) const
969 _GLIBCXX_NOEXCEPT
970 { return _Base::find_last_of(__c, __pos); }
971
972 size_type
973 find_first_not_of(const basic_string& __str, size_type __pos = 0) const
974 _GLIBCXX_NOEXCEPT
975 { return _Base::find_first_not_of(__str, __pos); }
976
977 size_type
978 find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
979 {
980 __glibcxx_check_string_len(__s, __n);
981 return _Base::find_first_not_of(__s, __pos, __n);
982 }
983
984 size_type
985 find_first_not_of(const _CharT* __s, size_type __pos = 0) const
986 {
987 __glibcxx_check_string(__s);
988 return _Base::find_first_not_of(__s, __pos);
989 }
990
991 size_type
992 find_first_not_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
993 { return _Base::find_first_not_of(__c, __pos); }
994
995 size_type
996 find_last_not_of(const basic_string& __str,
997 size_type __pos = _Base::npos) const
998 _GLIBCXX_NOEXCEPT
999 { return _Base::find_last_not_of(__str, __pos); }
1000
1001 size_type
1002 find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
1003 {
1004 __glibcxx_check_string(__s);
1005 return _Base::find_last_not_of(__s, __pos, __n);
1006 }
1007
1008 size_type
1009 find_last_not_of(const _CharT* __s, size_type __pos = _Base::npos) const
1010 {
1011 __glibcxx_check_string(__s);
1012 return _Base::find_last_not_of(__s, __pos);
1013 }
1014
1015 size_type
1016 find_last_not_of(_CharT __c, size_type __pos = _Base::npos) const
1017 _GLIBCXX_NOEXCEPT
1018 { return _Base::find_last_not_of(__c, __pos); }
1019
1020 basic_string
1021 substr(size_type __pos = 0, size_type __n = _Base::npos) const
1022 { return basic_string(_Base::substr(__pos, __n)); }
1023
1024 int
1025 compare(const basic_string& __str) const
1026 { return _Base::compare(__str); }
1027
1028 int
1029 compare(size_type __pos1, size_type __n1,
1030 const basic_string& __str) const
1031 { return _Base::compare(__pos1, __n1, __str); }
1032
1033 int
1034 compare(size_type __pos1, size_type __n1, const basic_string& __str,
1035 size_type __pos2, size_type __n2) const
1036 { return _Base::compare(__pos1, __n1, __str, __pos2, __n2); }
1037
1038 int
1039 compare(const _CharT* __s) const
1040 {
1041 __glibcxx_check_string(__s);
1042 return _Base::compare(__s);
1043 }
1044
1045 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1046 // 5. string::compare specification questionable
1047 int
1048 compare(size_type __pos1, size_type __n1, const _CharT* __s) const
1049 {
1050 __glibcxx_check_string(__s);
1051 return _Base::compare(__pos1, __n1, __s);
1052 }
1053
1054 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1055 // 5. string::compare specification questionable
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#ifdef _GLIBCXX_USE_WCHAR_T
1302 typedef basic_string<wchar_t> wstring;
1303#endif
1304
1305#ifdef _GLIBCXX_USE_CHAR8_T
1306 /// A string of @c char8_t
1307 typedef basic_string<char8_t> u8string;
1308#endif
1309
1310#if __cplusplus >= 201103L
1311 /// A string of @c char16_t
1312 typedef basic_string<char16_t> u16string;
1313
1314 /// A string of @c char32_t
1315 typedef basic_string<char32_t> u32string;
1316#endif
1317
1318 template<typename _CharT, typename _Traits, typename _Allocator>
1319 struct _Insert_range_from_self_is_safe<
1320 __gnu_debug::basic_string<_CharT, _Traits, _Allocator> >
1321 { enum { __value = 1 }; };
1322
1323} // namespace __gnu_debug
1324
1325#if __cplusplus >= 201103L
1326namespace std _GLIBCXX_VISIBILITY(default)
1327{
1328_GLIBCXX_BEGIN_NAMESPACE_VERSION
1329
1330 /// std::hash specialization for __gnu_debug::basic_string.
1331 template<typename _CharT>
1332 struct hash<__gnu_debug::basic_string<_CharT>>
1333 : public hash<std::basic_string<_CharT>>
1334 { };
1335
1336 template<typename _CharT>
1337 struct __is_fast_hash<hash<__gnu_debug::basic_string<_CharT>>>
1338 : __is_fast_hash<hash<std::basic_string<_CharT>>>
1339 { };
1340
1341_GLIBCXX_END_NAMESPACE_VERSION
1342}
1343#endif /* C++11 */
1344
1345#undef _GLIBCXX_INSERT_RETURNS_ITERATOR
1346#undef _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY
1347
1348#endif
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