libstdc++
vector.tcc
1 // Vector implementation (out of line) -*- C++ -*-
2 
3 // Copyright (C) 2001-2013 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 /*
26  *
27  * Copyright (c) 1994
28  * Hewlett-Packard Company
29  *
30  * Permission to use, copy, modify, distribute and sell this software
31  * and its documentation for any purpose is hereby granted without fee,
32  * provided that the above copyright notice appear in all copies and
33  * that both that copyright notice and this permission notice appear
34  * in supporting documentation. Hewlett-Packard Company makes no
35  * representations about the suitability of this software for any
36  * purpose. It is provided "as is" without express or implied warranty.
37  *
38  *
39  * Copyright (c) 1996
40  * Silicon Graphics Computer Systems, Inc.
41  *
42  * Permission to use, copy, modify, distribute and sell this software
43  * and its documentation for any purpose is hereby granted without fee,
44  * provided that the above copyright notice appear in all copies and
45  * that both that copyright notice and this permission notice appear
46  * in supporting documentation. Silicon Graphics makes no
47  * representations about the suitability of this software for any
48  * purpose. It is provided "as is" without express or implied warranty.
49  */
50 
51 /** @file bits/vector.tcc
52  * This is an internal header file, included by other library headers.
53  * Do not attempt to use it directly. @headername{vector}
54  */
55 
56 #ifndef _VECTOR_TCC
57 #define _VECTOR_TCC 1
58 
59 namespace std _GLIBCXX_VISIBILITY(default)
60 {
61 _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
62 
63  template<typename _Tp, typename _Alloc>
64  void
65  vector<_Tp, _Alloc>::
66  reserve(size_type __n)
67  {
68  if (__n > this->max_size())
69  __throw_length_error(__N("vector::reserve"));
70  if (this->capacity() < __n)
71  {
72  const size_type __old_size = size();
73  pointer __tmp = _M_allocate_and_copy(__n,
74  _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_start),
75  _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_finish));
76  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
77  _M_get_Tp_allocator());
78  _M_deallocate(this->_M_impl._M_start,
79  this->_M_impl._M_end_of_storage
80  - this->_M_impl._M_start);
81  this->_M_impl._M_start = __tmp;
82  this->_M_impl._M_finish = __tmp + __old_size;
83  this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n;
84  }
85  }
86 
87 #if __cplusplus >= 201103L
88  template<typename _Tp, typename _Alloc>
89  template<typename... _Args>
90  void
91  vector<_Tp, _Alloc>::
92  emplace_back(_Args&&... __args)
93  {
94  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
95  {
96  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
97  std::forward<_Args>(__args)...);
98  ++this->_M_impl._M_finish;
99  }
100  else
101  _M_emplace_back_aux(std::forward<_Args>(__args)...);
102  }
103 #endif
104 
105  template<typename _Tp, typename _Alloc>
106  typename vector<_Tp, _Alloc>::iterator
107  vector<_Tp, _Alloc>::
108  insert(iterator __position, const value_type& __x)
109  {
110  const size_type __n = __position - begin();
111  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage
112  && __position == end())
113  {
114  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish, __x);
115  ++this->_M_impl._M_finish;
116  }
117  else
118  {
119 #if __cplusplus >= 201103L
120  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
121  {
122  _Tp __x_copy = __x;
123  _M_insert_aux(__position, std::move(__x_copy));
124  }
125  else
126 #endif
127  _M_insert_aux(__position, __x);
128  }
129  return iterator(this->_M_impl._M_start + __n);
130  }
131 
132  template<typename _Tp, typename _Alloc>
133  typename vector<_Tp, _Alloc>::iterator
134  vector<_Tp, _Alloc>::
135  erase(iterator __position)
136  {
137  if (__position + 1 != end())
138  _GLIBCXX_MOVE3(__position + 1, end(), __position);
139  --this->_M_impl._M_finish;
140  _Alloc_traits::destroy(this->_M_impl, this->_M_impl._M_finish);
141  return __position;
142  }
143 
144  template<typename _Tp, typename _Alloc>
145  typename vector<_Tp, _Alloc>::iterator
146  vector<_Tp, _Alloc>::
147  erase(iterator __first, iterator __last)
148  {
149  if (__first != __last)
150  {
151  if (__last != end())
152  _GLIBCXX_MOVE3(__last, end(), __first);
153  _M_erase_at_end(__first.base() + (end() - __last));
154  }
155  return __first;
156  }
157 
158  template<typename _Tp, typename _Alloc>
159  vector<_Tp, _Alloc>&
160  vector<_Tp, _Alloc>::
161  operator=(const vector<_Tp, _Alloc>& __x)
162  {
163  if (&__x != this)
164  {
165 #if __cplusplus >= 201103L
166  if (_Alloc_traits::_S_propagate_on_copy_assign())
167  {
168  if (!_Alloc_traits::_S_always_equal()
169  && _M_get_Tp_allocator() != __x._M_get_Tp_allocator())
170  {
171  // replacement allocator cannot free existing storage
172  this->clear();
173  _M_deallocate(this->_M_impl._M_start,
174  this->_M_impl._M_end_of_storage
175  - this->_M_impl._M_start);
176  this->_M_impl._M_start = nullptr;
177  this->_M_impl._M_finish = nullptr;
178  this->_M_impl._M_end_of_storage = nullptr;
179  }
180  std::__alloc_on_copy(_M_get_Tp_allocator(),
181  __x._M_get_Tp_allocator());
182  }
183 #endif
184  const size_type __xlen = __x.size();
185  if (__xlen > capacity())
186  {
187  pointer __tmp = _M_allocate_and_copy(__xlen, __x.begin(),
188  __x.end());
189  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
190  _M_get_Tp_allocator());
191  _M_deallocate(this->_M_impl._M_start,
192  this->_M_impl._M_end_of_storage
193  - this->_M_impl._M_start);
194  this->_M_impl._M_start = __tmp;
195  this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __xlen;
196  }
197  else if (size() >= __xlen)
198  {
199  std::_Destroy(std::copy(__x.begin(), __x.end(), begin()),
200  end(), _M_get_Tp_allocator());
201  }
202  else
203  {
204  std::copy(__x._M_impl._M_start, __x._M_impl._M_start + size(),
205  this->_M_impl._M_start);
206  std::__uninitialized_copy_a(__x._M_impl._M_start + size(),
207  __x._M_impl._M_finish,
208  this->_M_impl._M_finish,
209  _M_get_Tp_allocator());
210  }
211  this->_M_impl._M_finish = this->_M_impl._M_start + __xlen;
212  }
213  return *this;
214  }
215 
216  template<typename _Tp, typename _Alloc>
217  void
218  vector<_Tp, _Alloc>::
219  _M_fill_assign(size_t __n, const value_type& __val)
220  {
221  if (__n > capacity())
222  {
223  vector __tmp(__n, __val, _M_get_Tp_allocator());
224  __tmp.swap(*this);
225  }
226  else if (__n > size())
227  {
228  std::fill(begin(), end(), __val);
229  std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
230  __n - size(), __val,
231  _M_get_Tp_allocator());
232  this->_M_impl._M_finish += __n - size();
233  }
234  else
235  _M_erase_at_end(std::fill_n(this->_M_impl._M_start, __n, __val));
236  }
237 
238  template<typename _Tp, typename _Alloc>
239  template<typename _InputIterator>
240  void
241  vector<_Tp, _Alloc>::
242  _M_assign_aux(_InputIterator __first, _InputIterator __last,
243  std::input_iterator_tag)
244  {
245  pointer __cur(this->_M_impl._M_start);
246  for (; __first != __last && __cur != this->_M_impl._M_finish;
247  ++__cur, ++__first)
248  *__cur = *__first;
249  if (__first == __last)
250  _M_erase_at_end(__cur);
251  else
252  insert(end(), __first, __last);
253  }
254 
255  template<typename _Tp, typename _Alloc>
256  template<typename _ForwardIterator>
257  void
258  vector<_Tp, _Alloc>::
259  _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
260  std::forward_iterator_tag)
261  {
262  const size_type __len = std::distance(__first, __last);
263 
264  if (__len > capacity())
265  {
266  pointer __tmp(_M_allocate_and_copy(__len, __first, __last));
267  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
268  _M_get_Tp_allocator());
269  _M_deallocate(this->_M_impl._M_start,
270  this->_M_impl._M_end_of_storage
271  - this->_M_impl._M_start);
272  this->_M_impl._M_start = __tmp;
273  this->_M_impl._M_finish = this->_M_impl._M_start + __len;
274  this->_M_impl._M_end_of_storage = this->_M_impl._M_finish;
275  }
276  else if (size() >= __len)
277  _M_erase_at_end(std::copy(__first, __last, this->_M_impl._M_start));
278  else
279  {
280  _ForwardIterator __mid = __first;
281  std::advance(__mid, size());
282  std::copy(__first, __mid, this->_M_impl._M_start);
283  this->_M_impl._M_finish =
284  std::__uninitialized_copy_a(__mid, __last,
285  this->_M_impl._M_finish,
286  _M_get_Tp_allocator());
287  }
288  }
289 
290 #if __cplusplus >= 201103L
291  template<typename _Tp, typename _Alloc>
292  template<typename... _Args>
293  typename vector<_Tp, _Alloc>::iterator
294  vector<_Tp, _Alloc>::
295  emplace(iterator __position, _Args&&... __args)
296  {
297  const size_type __n = __position - begin();
298  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage
299  && __position == end())
300  {
301  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
302  std::forward<_Args>(__args)...);
303  ++this->_M_impl._M_finish;
304  }
305  else
306  _M_insert_aux(__position, std::forward<_Args>(__args)...);
307  return iterator(this->_M_impl._M_start + __n);
308  }
309 
310  template<typename _Tp, typename _Alloc>
311  template<typename... _Args>
312  void
313  vector<_Tp, _Alloc>::
314  _M_insert_aux(iterator __position, _Args&&... __args)
315 #else
316  template<typename _Tp, typename _Alloc>
317  void
318  vector<_Tp, _Alloc>::
319  _M_insert_aux(iterator __position, const _Tp& __x)
320 #endif
321  {
322  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
323  {
324  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
325  _GLIBCXX_MOVE(*(this->_M_impl._M_finish
326  - 1)));
327  ++this->_M_impl._M_finish;
328 #if __cplusplus < 201103L
329  _Tp __x_copy = __x;
330 #endif
331  _GLIBCXX_MOVE_BACKWARD3(__position.base(),
332  this->_M_impl._M_finish - 2,
333  this->_M_impl._M_finish - 1);
334 #if __cplusplus < 201103L
335  *__position = __x_copy;
336 #else
337  *__position = _Tp(std::forward<_Args>(__args)...);
338 #endif
339  }
340  else
341  {
342  const size_type __len =
343  _M_check_len(size_type(1), "vector::_M_insert_aux");
344  const size_type __elems_before = __position - begin();
345  pointer __new_start(this->_M_allocate(__len));
346  pointer __new_finish(__new_start);
347  __try
348  {
349  // The order of the three operations is dictated by the C++0x
350  // case, where the moves could alter a new element belonging
351  // to the existing vector. This is an issue only for callers
352  // taking the element by const lvalue ref (see 23.1/13).
353  _Alloc_traits::construct(this->_M_impl,
354  __new_start + __elems_before,
355 #if __cplusplus >= 201103L
356  std::forward<_Args>(__args)...);
357 #else
358  __x);
359 #endif
360  __new_finish = 0;
361 
362  __new_finish
363  = std::__uninitialized_move_if_noexcept_a
364  (this->_M_impl._M_start, __position.base(),
365  __new_start, _M_get_Tp_allocator());
366 
367  ++__new_finish;
368 
369  __new_finish
370  = std::__uninitialized_move_if_noexcept_a
371  (__position.base(), this->_M_impl._M_finish,
372  __new_finish, _M_get_Tp_allocator());
373  }
374  __catch(...)
375  {
376  if (!__new_finish)
377  _Alloc_traits::destroy(this->_M_impl,
378  __new_start + __elems_before);
379  else
380  std::_Destroy(__new_start, __new_finish, _M_get_Tp_allocator());
381  _M_deallocate(__new_start, __len);
382  __throw_exception_again;
383  }
384  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
385  _M_get_Tp_allocator());
386  _M_deallocate(this->_M_impl._M_start,
387  this->_M_impl._M_end_of_storage
388  - this->_M_impl._M_start);
389  this->_M_impl._M_start = __new_start;
390  this->_M_impl._M_finish = __new_finish;
391  this->_M_impl._M_end_of_storage = __new_start + __len;
392  }
393  }
394 
395 #if __cplusplus >= 201103L
396  template<typename _Tp, typename _Alloc>
397  template<typename... _Args>
398  void
399  vector<_Tp, _Alloc>::
400  _M_emplace_back_aux(_Args&&... __args)
401  {
402  const size_type __len =
403  _M_check_len(size_type(1), "vector::_M_emplace_back_aux");
404  pointer __new_start(this->_M_allocate(__len));
405  pointer __new_finish(__new_start);
406  __try
407  {
408  _Alloc_traits::construct(this->_M_impl, __new_start + size(),
409  std::forward<_Args>(__args)...);
410  __new_finish = 0;
411 
412  __new_finish
413  = std::__uninitialized_move_if_noexcept_a
414  (this->_M_impl._M_start, this->_M_impl._M_finish,
415  __new_start, _M_get_Tp_allocator());
416 
417  ++__new_finish;
418  }
419  __catch(...)
420  {
421  if (!__new_finish)
422  _Alloc_traits::destroy(this->_M_impl, __new_start + size());
423  else
424  std::_Destroy(__new_start, __new_finish, _M_get_Tp_allocator());
425  _M_deallocate(__new_start, __len);
426  __throw_exception_again;
427  }
428  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
429  _M_get_Tp_allocator());
430  _M_deallocate(this->_M_impl._M_start,
431  this->_M_impl._M_end_of_storage
432  - this->_M_impl._M_start);
433  this->_M_impl._M_start = __new_start;
434  this->_M_impl._M_finish = __new_finish;
435  this->_M_impl._M_end_of_storage = __new_start + __len;
436  }
437 #endif
438 
439  template<typename _Tp, typename _Alloc>
440  void
441  vector<_Tp, _Alloc>::
442  _M_fill_insert(iterator __position, size_type __n, const value_type& __x)
443  {
444  if (__n != 0)
445  {
446  if (size_type(this->_M_impl._M_end_of_storage
447  - this->_M_impl._M_finish) >= __n)
448  {
449  value_type __x_copy = __x;
450  const size_type __elems_after = end() - __position;
451  pointer __old_finish(this->_M_impl._M_finish);
452  if (__elems_after > __n)
453  {
454  std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
455  this->_M_impl._M_finish,
456  this->_M_impl._M_finish,
457  _M_get_Tp_allocator());
458  this->_M_impl._M_finish += __n;
459  _GLIBCXX_MOVE_BACKWARD3(__position.base(),
460  __old_finish - __n, __old_finish);
461  std::fill(__position.base(), __position.base() + __n,
462  __x_copy);
463  }
464  else
465  {
466  std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
467  __n - __elems_after,
468  __x_copy,
469  _M_get_Tp_allocator());
470  this->_M_impl._M_finish += __n - __elems_after;
471  std::__uninitialized_move_a(__position.base(), __old_finish,
472  this->_M_impl._M_finish,
473  _M_get_Tp_allocator());
474  this->_M_impl._M_finish += __elems_after;
475  std::fill(__position.base(), __old_finish, __x_copy);
476  }
477  }
478  else
479  {
480  const size_type __len =
481  _M_check_len(__n, "vector::_M_fill_insert");
482  const size_type __elems_before = __position - begin();
483  pointer __new_start(this->_M_allocate(__len));
484  pointer __new_finish(__new_start);
485  __try
486  {
487  // See _M_insert_aux above.
488  std::__uninitialized_fill_n_a(__new_start + __elems_before,
489  __n, __x,
490  _M_get_Tp_allocator());
491  __new_finish = 0;
492 
493  __new_finish
494  = std::__uninitialized_move_if_noexcept_a
495  (this->_M_impl._M_start, __position.base(),
496  __new_start, _M_get_Tp_allocator());
497 
498  __new_finish += __n;
499 
500  __new_finish
501  = std::__uninitialized_move_if_noexcept_a
502  (__position.base(), this->_M_impl._M_finish,
503  __new_finish, _M_get_Tp_allocator());
504  }
505  __catch(...)
506  {
507  if (!__new_finish)
508  std::_Destroy(__new_start + __elems_before,
509  __new_start + __elems_before + __n,
510  _M_get_Tp_allocator());
511  else
512  std::_Destroy(__new_start, __new_finish,
513  _M_get_Tp_allocator());
514  _M_deallocate(__new_start, __len);
515  __throw_exception_again;
516  }
517  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
518  _M_get_Tp_allocator());
519  _M_deallocate(this->_M_impl._M_start,
520  this->_M_impl._M_end_of_storage
521  - this->_M_impl._M_start);
522  this->_M_impl._M_start = __new_start;
523  this->_M_impl._M_finish = __new_finish;
524  this->_M_impl._M_end_of_storage = __new_start + __len;
525  }
526  }
527  }
528 
529 #if __cplusplus >= 201103L
530  template<typename _Tp, typename _Alloc>
531  void
532  vector<_Tp, _Alloc>::
533  _M_default_append(size_type __n)
534  {
535  if (__n != 0)
536  {
537  if (size_type(this->_M_impl._M_end_of_storage
538  - this->_M_impl._M_finish) >= __n)
539  {
540  std::__uninitialized_default_n_a(this->_M_impl._M_finish,
541  __n, _M_get_Tp_allocator());
542  this->_M_impl._M_finish += __n;
543  }
544  else
545  {
546  const size_type __len =
547  _M_check_len(__n, "vector::_M_default_append");
548  const size_type __old_size = this->size();
549  pointer __new_start(this->_M_allocate(__len));
550  pointer __new_finish(__new_start);
551  __try
552  {
553  __new_finish
554  = std::__uninitialized_move_if_noexcept_a
555  (this->_M_impl._M_start, this->_M_impl._M_finish,
556  __new_start, _M_get_Tp_allocator());
557  std::__uninitialized_default_n_a(__new_finish, __n,
558  _M_get_Tp_allocator());
559  __new_finish += __n;
560  }
561  __catch(...)
562  {
563  std::_Destroy(__new_start, __new_finish,
564  _M_get_Tp_allocator());
565  _M_deallocate(__new_start, __len);
566  __throw_exception_again;
567  }
568  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
569  _M_get_Tp_allocator());
570  _M_deallocate(this->_M_impl._M_start,
571  this->_M_impl._M_end_of_storage
572  - this->_M_impl._M_start);
573  this->_M_impl._M_start = __new_start;
574  this->_M_impl._M_finish = __new_finish;
575  this->_M_impl._M_end_of_storage = __new_start + __len;
576  }
577  }
578  }
579 
580  template<typename _Tp, typename _Alloc>
581  bool
582  vector<_Tp, _Alloc>::
583  _M_shrink_to_fit()
584  {
585  if (capacity() == size())
586  return false;
587  return std::__shrink_to_fit_aux<vector>::_S_do_it(*this);
588  }
589 #endif
590 
591  template<typename _Tp, typename _Alloc>
592  template<typename _InputIterator>
593  void
594  vector<_Tp, _Alloc>::
595  _M_range_insert(iterator __pos, _InputIterator __first,
596  _InputIterator __last, std::input_iterator_tag)
597  {
598  for (; __first != __last; ++__first)
599  {
600  __pos = insert(__pos, *__first);
601  ++__pos;
602  }
603  }
604 
605  template<typename _Tp, typename _Alloc>
606  template<typename _ForwardIterator>
607  void
608  vector<_Tp, _Alloc>::
609  _M_range_insert(iterator __position, _ForwardIterator __first,
610  _ForwardIterator __last, std::forward_iterator_tag)
611  {
612  if (__first != __last)
613  {
614  const size_type __n = std::distance(__first, __last);
615  if (size_type(this->_M_impl._M_end_of_storage
616  - this->_M_impl._M_finish) >= __n)
617  {
618  const size_type __elems_after = end() - __position;
619  pointer __old_finish(this->_M_impl._M_finish);
620  if (__elems_after > __n)
621  {
622  std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
623  this->_M_impl._M_finish,
624  this->_M_impl._M_finish,
625  _M_get_Tp_allocator());
626  this->_M_impl._M_finish += __n;
627  _GLIBCXX_MOVE_BACKWARD3(__position.base(),
628  __old_finish - __n, __old_finish);
629  std::copy(__first, __last, __position);
630  }
631  else
632  {
633  _ForwardIterator __mid = __first;
634  std::advance(__mid, __elems_after);
635  std::__uninitialized_copy_a(__mid, __last,
636  this->_M_impl._M_finish,
637  _M_get_Tp_allocator());
638  this->_M_impl._M_finish += __n - __elems_after;
639  std::__uninitialized_move_a(__position.base(),
640  __old_finish,
641  this->_M_impl._M_finish,
642  _M_get_Tp_allocator());
643  this->_M_impl._M_finish += __elems_after;
644  std::copy(__first, __mid, __position);
645  }
646  }
647  else
648  {
649  const size_type __len =
650  _M_check_len(__n, "vector::_M_range_insert");
651  pointer __new_start(this->_M_allocate(__len));
652  pointer __new_finish(__new_start);
653  __try
654  {
655  __new_finish
656  = std::__uninitialized_move_if_noexcept_a
657  (this->_M_impl._M_start, __position.base(),
658  __new_start, _M_get_Tp_allocator());
659  __new_finish
660  = std::__uninitialized_copy_a(__first, __last,
661  __new_finish,
662  _M_get_Tp_allocator());
663  __new_finish
664  = std::__uninitialized_move_if_noexcept_a
665  (__position.base(), this->_M_impl._M_finish,
666  __new_finish, _M_get_Tp_allocator());
667  }
668  __catch(...)
669  {
670  std::_Destroy(__new_start, __new_finish,
671  _M_get_Tp_allocator());
672  _M_deallocate(__new_start, __len);
673  __throw_exception_again;
674  }
675  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
676  _M_get_Tp_allocator());
677  _M_deallocate(this->_M_impl._M_start,
678  this->_M_impl._M_end_of_storage
679  - this->_M_impl._M_start);
680  this->_M_impl._M_start = __new_start;
681  this->_M_impl._M_finish = __new_finish;
682  this->_M_impl._M_end_of_storage = __new_start + __len;
683  }
684  }
685  }
686 
687 
688  // vector<bool>
689  template<typename _Alloc>
690  void
691  vector<bool, _Alloc>::
692  _M_reallocate(size_type __n)
693  {
694  _Bit_type* __q = this->_M_allocate(__n);
695  this->_M_impl._M_finish = _M_copy_aligned(begin(), end(),
696  iterator(__q, 0));
697  this->_M_deallocate();
698  this->_M_impl._M_start = iterator(__q, 0);
699  this->_M_impl._M_end_of_storage = __q + _S_nword(__n);
700  }
701 
702  template<typename _Alloc>
703  void
704  vector<bool, _Alloc>::
705  _M_fill_insert(iterator __position, size_type __n, bool __x)
706  {
707  if (__n == 0)
708  return;
709  if (capacity() - size() >= __n)
710  {
711  std::copy_backward(__position, end(),
712  this->_M_impl._M_finish + difference_type(__n));
713  std::fill(__position, __position + difference_type(__n), __x);
714  this->_M_impl._M_finish += difference_type(__n);
715  }
716  else
717  {
718  const size_type __len =
719  _M_check_len(__n, "vector<bool>::_M_fill_insert");
720  _Bit_type * __q = this->_M_allocate(__len);
721  iterator __i = _M_copy_aligned(begin(), __position,
722  iterator(__q, 0));
723  std::fill(__i, __i + difference_type(__n), __x);
724  this->_M_impl._M_finish = std::copy(__position, end(),
725  __i + difference_type(__n));
726  this->_M_deallocate();
727  this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
728  this->_M_impl._M_start = iterator(__q, 0);
729  }
730  }
731 
732  template<typename _Alloc>
733  template<typename _ForwardIterator>
734  void
735  vector<bool, _Alloc>::
736  _M_insert_range(iterator __position, _ForwardIterator __first,
737  _ForwardIterator __last, std::forward_iterator_tag)
738  {
739  if (__first != __last)
740  {
741  size_type __n = std::distance(__first, __last);
742  if (capacity() - size() >= __n)
743  {
744  std::copy_backward(__position, end(),
745  this->_M_impl._M_finish
746  + difference_type(__n));
747  std::copy(__first, __last, __position);
748  this->_M_impl._M_finish += difference_type(__n);
749  }
750  else
751  {
752  const size_type __len =
753  _M_check_len(__n, "vector<bool>::_M_insert_range");
754  _Bit_type * __q = this->_M_allocate(__len);
755  iterator __i = _M_copy_aligned(begin(), __position,
756  iterator(__q, 0));
757  __i = std::copy(__first, __last, __i);
758  this->_M_impl._M_finish = std::copy(__position, end(), __i);
759  this->_M_deallocate();
760  this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
761  this->_M_impl._M_start = iterator(__q, 0);
762  }
763  }
764  }
765 
766  template<typename _Alloc>
767  void
768  vector<bool, _Alloc>::
769  _M_insert_aux(iterator __position, bool __x)
770  {
771  if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_of_storage)
772  {
773  std::copy_backward(__position, this->_M_impl._M_finish,
774  this->_M_impl._M_finish + 1);
775  *__position = __x;
776  ++this->_M_impl._M_finish;
777  }
778  else
779  {
780  const size_type __len =
781  _M_check_len(size_type(1), "vector<bool>::_M_insert_aux");
782  _Bit_type * __q = this->_M_allocate(__len);
783  iterator __i = _M_copy_aligned(begin(), __position,
784  iterator(__q, 0));
785  *__i++ = __x;
786  this->_M_impl._M_finish = std::copy(__position, end(), __i);
787  this->_M_deallocate();
788  this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
789  this->_M_impl._M_start = iterator(__q, 0);
790  }
791  }
792 
793 #if __cplusplus >= 201103L
794  template<typename _Alloc>
795  bool
796  vector<bool, _Alloc>::
797  _M_shrink_to_fit()
798  {
799  if (capacity() - size() < int(_S_word_bit))
800  return false;
801  __try
802  {
803  _M_reallocate(size());
804  return true;
805  }
806  __catch(...)
807  { return false; }
808  }
809 #endif
810 
811 _GLIBCXX_END_NAMESPACE_CONTAINER
812 } // namespace std
813 
814 #if __cplusplus >= 201103L
815 
816 namespace std _GLIBCXX_VISIBILITY(default)
817 {
818 _GLIBCXX_BEGIN_NAMESPACE_VERSION
819 
820  template<typename _Alloc>
821  size_t
822  hash<_GLIBCXX_STD_C::vector<bool, _Alloc>>::
823  operator()(const _GLIBCXX_STD_C::vector<bool, _Alloc>& __b) const noexcept
824  {
825  size_t __hash = 0;
826  using _GLIBCXX_STD_C::_S_word_bit;
827  using _GLIBCXX_STD_C::_Bit_type;
828 
829  const size_t __words = __b.size() / _S_word_bit;
830  if (__words)
831  {
832  const size_t __clength = __words * sizeof(_Bit_type);
833  __hash = std::_Hash_impl::hash(__b._M_impl._M_start._M_p, __clength);
834  }
835 
836  const size_t __extrabits = __b.size() % _S_word_bit;
837  if (__extrabits)
838  {
839  _Bit_type __hiword = *__b._M_impl._M_finish._M_p;
840  __hiword &= ~((~static_cast<_Bit_type>(0)) << __extrabits);
841 
842  const size_t __clength
843  = (__extrabits + __CHAR_BIT__ - 1) / __CHAR_BIT__;
844  if (__words)
845  __hash = std::_Hash_impl::hash(&__hiword, __clength, __hash);
846  else
847  __hash = std::_Hash_impl::hash(&__hiword, __clength);
848  }
849 
850  return __hash;
851  }
852 
853 _GLIBCXX_END_NAMESPACE_VERSION
854 } // namespace std
855 
856 #endif // C++11
857 
858 #endif /* _VECTOR_TCC */