Line data Source code
1 : // Vector implementation (out of line) -*- C++ -*-
2 :
3 : // Copyright (C) 2001-2016 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 28 : vector<_Tp, _Alloc>::
66 : reserve(size_type __n)
67 : {
68 28 : if (__n > this->max_size())
69 0 : __throw_length_error(__N("vector::reserve"));
70 28 : if (this->capacity() < __n)
71 : {
72 28 : 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 28 : _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_finish));
76 28 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
77 28 : _M_get_Tp_allocator());
78 28 : _M_deallocate(this->_M_impl._M_start,
79 28 : this->_M_impl._M_end_of_storage
80 28 : - this->_M_impl._M_start);
81 28 : this->_M_impl._M_start = __tmp;
82 28 : this->_M_impl._M_finish = __tmp + __old_size;
83 28 : this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n;
84 : }
85 28 : }
86 :
87 : #if __cplusplus >= 201103L
88 : template<typename _Tp, typename _Alloc>
89 : template<typename... _Args>
90 : void
91 8533 : vector<_Tp, _Alloc>::
92 : emplace_back(_Args&&... __args)
93 : {
94 8533 : if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
95 : {
96 4548 : _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
97 : std::forward<_Args>(__args)...);
98 4548 : ++this->_M_impl._M_finish;
99 : }
100 : else
101 3985 : _M_emplace_back_aux(std::forward<_Args>(__args)...);
102 8533 : }
103 : #endif
104 :
105 : template<typename _Tp, typename _Alloc>
106 : typename vector<_Tp, _Alloc>::iterator
107 : vector<_Tp, _Alloc>::
108 : #if __cplusplus >= 201103L
109 : insert(const_iterator __position, const value_type& __x)
110 : #else
111 : insert(iterator __position, const value_type& __x)
112 : #endif
113 : {
114 : const size_type __n = __position - begin();
115 : if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage
116 : && __position == end())
117 : {
118 : _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish, __x);
119 : ++this->_M_impl._M_finish;
120 : }
121 : else
122 : {
123 : #if __cplusplus >= 201103L
124 : const auto __pos = begin() + (__position - cbegin());
125 : if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
126 : {
127 : _Tp __x_copy = __x;
128 : _M_insert_aux(__pos, std::move(__x_copy));
129 : }
130 : else
131 : _M_insert_aux(__pos, __x);
132 : #else
133 : _M_insert_aux(__position, __x);
134 : #endif
135 : }
136 : return iterator(this->_M_impl._M_start + __n);
137 : }
138 :
139 : template<typename _Tp, typename _Alloc>
140 : typename vector<_Tp, _Alloc>::iterator
141 0 : vector<_Tp, _Alloc>::
142 : _M_erase(iterator __position)
143 : {
144 0 : if (__position + 1 != end())
145 0 : _GLIBCXX_MOVE3(__position + 1, end(), __position);
146 0 : --this->_M_impl._M_finish;
147 0 : _Alloc_traits::destroy(this->_M_impl, this->_M_impl._M_finish);
148 0 : return __position;
149 : }
150 :
151 : template<typename _Tp, typename _Alloc>
152 : typename vector<_Tp, _Alloc>::iterator
153 0 : vector<_Tp, _Alloc>::
154 : _M_erase(iterator __first, iterator __last)
155 : {
156 0 : if (__first != __last)
157 : {
158 0 : if (__last != end())
159 0 : _GLIBCXX_MOVE3(__last, end(), __first);
160 0 : _M_erase_at_end(__first.base() + (end() - __last));
161 : }
162 0 : return __first;
163 : }
164 :
165 : template<typename _Tp, typename _Alloc>
166 : vector<_Tp, _Alloc>&
167 15 : vector<_Tp, _Alloc>::
168 : operator=(const vector<_Tp, _Alloc>& __x)
169 : {
170 15 : if (&__x != this)
171 : {
172 : #if __cplusplus >= 201103L
173 15 : if (_Alloc_traits::_S_propagate_on_copy_assign())
174 : {
175 0 : if (!_Alloc_traits::_S_always_equal()
176 0 : && _M_get_Tp_allocator() != __x._M_get_Tp_allocator())
177 : {
178 : // replacement allocator cannot free existing storage
179 0 : this->clear();
180 0 : _M_deallocate(this->_M_impl._M_start,
181 0 : this->_M_impl._M_end_of_storage
182 0 : - this->_M_impl._M_start);
183 0 : this->_M_impl._M_start = nullptr;
184 0 : this->_M_impl._M_finish = nullptr;
185 0 : this->_M_impl._M_end_of_storage = nullptr;
186 : }
187 0 : std::__alloc_on_copy(_M_get_Tp_allocator(),
188 : __x._M_get_Tp_allocator());
189 : }
190 : #endif
191 15 : const size_type __xlen = __x.size();
192 15 : if (__xlen > capacity())
193 : {
194 : pointer __tmp = _M_allocate_and_copy(__xlen, __x.begin(),
195 10 : __x.end());
196 10 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
197 10 : _M_get_Tp_allocator());
198 10 : _M_deallocate(this->_M_impl._M_start,
199 10 : this->_M_impl._M_end_of_storage
200 10 : - this->_M_impl._M_start);
201 10 : this->_M_impl._M_start = __tmp;
202 10 : this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __xlen;
203 : }
204 5 : else if (size() >= __xlen)
205 : {
206 5 : std::_Destroy(std::copy(__x.begin(), __x.end(), begin()),
207 5 : end(), _M_get_Tp_allocator());
208 : }
209 : else
210 : {
211 0 : std::copy(__x._M_impl._M_start, __x._M_impl._M_start + size(),
212 : this->_M_impl._M_start);
213 0 : std::__uninitialized_copy_a(__x._M_impl._M_start + size(),
214 0 : __x._M_impl._M_finish,
215 : this->_M_impl._M_finish,
216 0 : _M_get_Tp_allocator());
217 : }
218 15 : this->_M_impl._M_finish = this->_M_impl._M_start + __xlen;
219 : }
220 15 : return *this;
221 : }
222 :
223 : template<typename _Tp, typename _Alloc>
224 : void
225 : vector<_Tp, _Alloc>::
226 : _M_fill_assign(size_t __n, const value_type& __val)
227 : {
228 : if (__n > capacity())
229 : {
230 : vector __tmp(__n, __val, _M_get_Tp_allocator());
231 : __tmp._M_impl._M_swap_data(this->_M_impl);
232 : }
233 : else if (__n > size())
234 : {
235 : std::fill(begin(), end(), __val);
236 : this->_M_impl._M_finish =
237 : std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
238 : __n - size(), __val,
239 : _M_get_Tp_allocator());
240 : }
241 : else
242 : _M_erase_at_end(std::fill_n(this->_M_impl._M_start, __n, __val));
243 : }
244 :
245 : template<typename _Tp, typename _Alloc>
246 : template<typename _InputIterator>
247 : void
248 : vector<_Tp, _Alloc>::
249 : _M_assign_aux(_InputIterator __first, _InputIterator __last,
250 : std::input_iterator_tag)
251 : {
252 : pointer __cur(this->_M_impl._M_start);
253 : for (; __first != __last && __cur != this->_M_impl._M_finish;
254 : ++__cur, ++__first)
255 : *__cur = *__first;
256 : if (__first == __last)
257 : _M_erase_at_end(__cur);
258 : else
259 : insert(end(), __first, __last);
260 : }
261 :
262 : template<typename _Tp, typename _Alloc>
263 : template<typename _ForwardIterator>
264 : void
265 : vector<_Tp, _Alloc>::
266 : _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
267 : std::forward_iterator_tag)
268 : {
269 : const size_type __len = std::distance(__first, __last);
270 :
271 : if (__len > capacity())
272 : {
273 : pointer __tmp(_M_allocate_and_copy(__len, __first, __last));
274 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
275 : _M_get_Tp_allocator());
276 : _M_deallocate(this->_M_impl._M_start,
277 : this->_M_impl._M_end_of_storage
278 : - this->_M_impl._M_start);
279 : this->_M_impl._M_start = __tmp;
280 : this->_M_impl._M_finish = this->_M_impl._M_start + __len;
281 : this->_M_impl._M_end_of_storage = this->_M_impl._M_finish;
282 : }
283 : else if (size() >= __len)
284 : _M_erase_at_end(std::copy(__first, __last, this->_M_impl._M_start));
285 : else
286 : {
287 : _ForwardIterator __mid = __first;
288 : std::advance(__mid, size());
289 : std::copy(__first, __mid, this->_M_impl._M_start);
290 : this->_M_impl._M_finish =
291 : std::__uninitialized_copy_a(__mid, __last,
292 : this->_M_impl._M_finish,
293 : _M_get_Tp_allocator());
294 : }
295 : }
296 :
297 : #if __cplusplus >= 201103L
298 : template<typename _Tp, typename _Alloc>
299 : template<typename... _Args>
300 : typename vector<_Tp, _Alloc>::iterator
301 : vector<_Tp, _Alloc>::
302 : emplace(const_iterator __position, _Args&&... __args)
303 : {
304 : const size_type __n = __position - begin();
305 : if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage
306 : && __position == end())
307 : {
308 : _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
309 : std::forward<_Args>(__args)...);
310 : ++this->_M_impl._M_finish;
311 : }
312 : else
313 : _M_insert_aux(begin() + (__position - cbegin()),
314 : std::forward<_Args>(__args)...);
315 : return iterator(this->_M_impl._M_start + __n);
316 : }
317 :
318 : template<typename _Tp, typename _Alloc>
319 : template<typename... _Args>
320 : void
321 : vector<_Tp, _Alloc>::
322 : _M_insert_aux(iterator __position, _Args&&... __args)
323 : #else
324 : template<typename _Tp, typename _Alloc>
325 : void
326 : vector<_Tp, _Alloc>::
327 : _M_insert_aux(iterator __position, const _Tp& __x)
328 : #endif
329 : {
330 : if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
331 : {
332 : _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
333 : _GLIBCXX_MOVE(*(this->_M_impl._M_finish
334 : - 1)));
335 : ++this->_M_impl._M_finish;
336 : #if __cplusplus < 201103L
337 : _Tp __x_copy = __x;
338 : #endif
339 : _GLIBCXX_MOVE_BACKWARD3(__position.base(),
340 : this->_M_impl._M_finish - 2,
341 : this->_M_impl._M_finish - 1);
342 : #if __cplusplus < 201103L
343 : *__position = __x_copy;
344 : #else
345 : *__position = _Tp(std::forward<_Args>(__args)...);
346 : #endif
347 : }
348 : else
349 : {
350 : const size_type __len =
351 : _M_check_len(size_type(1), "vector::_M_insert_aux");
352 : const size_type __elems_before = __position - begin();
353 : pointer __new_start(this->_M_allocate(__len));
354 : pointer __new_finish(__new_start);
355 : __try
356 : {
357 : // The order of the three operations is dictated by the C++0x
358 : // case, where the moves could alter a new element belonging
359 : // to the existing vector. This is an issue only for callers
360 : // taking the element by const lvalue ref (see 23.1/13).
361 : _Alloc_traits::construct(this->_M_impl,
362 : __new_start + __elems_before,
363 : #if __cplusplus >= 201103L
364 : std::forward<_Args>(__args)...);
365 : #else
366 : __x);
367 : #endif
368 : __new_finish = pointer();
369 :
370 : __new_finish
371 : = std::__uninitialized_move_if_noexcept_a
372 : (this->_M_impl._M_start, __position.base(),
373 : __new_start, _M_get_Tp_allocator());
374 :
375 : ++__new_finish;
376 :
377 : __new_finish
378 : = std::__uninitialized_move_if_noexcept_a
379 : (__position.base(), this->_M_impl._M_finish,
380 : __new_finish, _M_get_Tp_allocator());
381 : }
382 : __catch(...)
383 : {
384 : if (!__new_finish)
385 : _Alloc_traits::destroy(this->_M_impl,
386 : __new_start + __elems_before);
387 : else
388 : std::_Destroy(__new_start, __new_finish, _M_get_Tp_allocator());
389 : _M_deallocate(__new_start, __len);
390 : __throw_exception_again;
391 : }
392 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
393 : _M_get_Tp_allocator());
394 : _M_deallocate(this->_M_impl._M_start,
395 : this->_M_impl._M_end_of_storage
396 : - this->_M_impl._M_start);
397 : this->_M_impl._M_start = __new_start;
398 : this->_M_impl._M_finish = __new_finish;
399 : this->_M_impl._M_end_of_storage = __new_start + __len;
400 : }
401 : }
402 :
403 : #if __cplusplus >= 201103L
404 : template<typename _Tp, typename _Alloc>
405 : template<typename... _Args>
406 : void
407 4015 : vector<_Tp, _Alloc>::
408 : _M_emplace_back_aux(_Args&&... __args)
409 : {
410 : const size_type __len =
411 4015 : _M_check_len(size_type(1), "vector::_M_emplace_back_aux");
412 4015 : pointer __new_start(this->_M_allocate(__len));
413 4015 : pointer __new_finish(__new_start);
414 : __try
415 : {
416 4015 : _Alloc_traits::construct(this->_M_impl, __new_start + size(),
417 : std::forward<_Args>(__args)...);
418 4015 : __new_finish = pointer();
419 :
420 4015 : __new_finish
421 : = std::__uninitialized_move_if_noexcept_a
422 4015 : (this->_M_impl._M_start, this->_M_impl._M_finish,
423 4015 : __new_start, _M_get_Tp_allocator());
424 :
425 4015 : ++__new_finish;
426 : }
427 0 : __catch(...)
428 : {
429 0 : if (!__new_finish)
430 0 : _Alloc_traits::destroy(this->_M_impl, __new_start + size());
431 : else
432 0 : std::_Destroy(__new_start, __new_finish, _M_get_Tp_allocator());
433 0 : _M_deallocate(__new_start, __len);
434 0 : __throw_exception_again;
435 : }
436 4015 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
437 4015 : _M_get_Tp_allocator());
438 4015 : _M_deallocate(this->_M_impl._M_start,
439 4015 : this->_M_impl._M_end_of_storage
440 4015 : - this->_M_impl._M_start);
441 4015 : this->_M_impl._M_start = __new_start;
442 4015 : this->_M_impl._M_finish = __new_finish;
443 4015 : this->_M_impl._M_end_of_storage = __new_start + __len;
444 4015 : }
445 : #endif
446 :
447 : template<typename _Tp, typename _Alloc>
448 : void
449 : vector<_Tp, _Alloc>::
450 : _M_fill_insert(iterator __position, size_type __n, const value_type& __x)
451 : {
452 : if (__n != 0)
453 : {
454 : if (size_type(this->_M_impl._M_end_of_storage
455 : - this->_M_impl._M_finish) >= __n)
456 : {
457 : value_type __x_copy = __x;
458 : const size_type __elems_after = end() - __position;
459 : pointer __old_finish(this->_M_impl._M_finish);
460 : if (__elems_after > __n)
461 : {
462 : std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
463 : this->_M_impl._M_finish,
464 : this->_M_impl._M_finish,
465 : _M_get_Tp_allocator());
466 : this->_M_impl._M_finish += __n;
467 : _GLIBCXX_MOVE_BACKWARD3(__position.base(),
468 : __old_finish - __n, __old_finish);
469 : std::fill(__position.base(), __position.base() + __n,
470 : __x_copy);
471 : }
472 : else
473 : {
474 : this->_M_impl._M_finish =
475 : std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
476 : __n - __elems_after,
477 : __x_copy,
478 : _M_get_Tp_allocator());
479 : std::__uninitialized_move_a(__position.base(), __old_finish,
480 : this->_M_impl._M_finish,
481 : _M_get_Tp_allocator());
482 : this->_M_impl._M_finish += __elems_after;
483 : std::fill(__position.base(), __old_finish, __x_copy);
484 : }
485 : }
486 : else
487 : {
488 : const size_type __len =
489 : _M_check_len(__n, "vector::_M_fill_insert");
490 : const size_type __elems_before = __position - begin();
491 : pointer __new_start(this->_M_allocate(__len));
492 : pointer __new_finish(__new_start);
493 : __try
494 : {
495 : // See _M_insert_aux above.
496 : std::__uninitialized_fill_n_a(__new_start + __elems_before,
497 : __n, __x,
498 : _M_get_Tp_allocator());
499 : __new_finish = pointer();
500 :
501 : __new_finish
502 : = std::__uninitialized_move_if_noexcept_a
503 : (this->_M_impl._M_start, __position.base(),
504 : __new_start, _M_get_Tp_allocator());
505 :
506 : __new_finish += __n;
507 :
508 : __new_finish
509 : = std::__uninitialized_move_if_noexcept_a
510 : (__position.base(), this->_M_impl._M_finish,
511 : __new_finish, _M_get_Tp_allocator());
512 : }
513 : __catch(...)
514 : {
515 : if (!__new_finish)
516 : std::_Destroy(__new_start + __elems_before,
517 : __new_start + __elems_before + __n,
518 : _M_get_Tp_allocator());
519 : else
520 : std::_Destroy(__new_start, __new_finish,
521 : _M_get_Tp_allocator());
522 : _M_deallocate(__new_start, __len);
523 : __throw_exception_again;
524 : }
525 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
526 : _M_get_Tp_allocator());
527 : _M_deallocate(this->_M_impl._M_start,
528 : this->_M_impl._M_end_of_storage
529 : - this->_M_impl._M_start);
530 : this->_M_impl._M_start = __new_start;
531 : this->_M_impl._M_finish = __new_finish;
532 : this->_M_impl._M_end_of_storage = __new_start + __len;
533 : }
534 : }
535 : }
536 :
537 : #if __cplusplus >= 201103L
538 : template<typename _Tp, typename _Alloc>
539 : void
540 138 : vector<_Tp, _Alloc>::
541 : _M_default_append(size_type __n)
542 : {
543 138 : if (__n != 0)
544 : {
545 276 : if (size_type(this->_M_impl._M_end_of_storage
546 138 : - this->_M_impl._M_finish) >= __n)
547 : {
548 46 : this->_M_impl._M_finish =
549 46 : std::__uninitialized_default_n_a(this->_M_impl._M_finish,
550 46 : __n, _M_get_Tp_allocator());
551 : }
552 : else
553 : {
554 : const size_type __len =
555 92 : _M_check_len(__n, "vector::_M_default_append");
556 92 : const size_type __old_size = this->size();
557 92 : pointer __new_start(this->_M_allocate(__len));
558 92 : pointer __new_finish(__new_start);
559 : __try
560 : {
561 92 : __new_finish
562 : = std::__uninitialized_move_if_noexcept_a
563 92 : (this->_M_impl._M_start, this->_M_impl._M_finish,
564 92 : __new_start, _M_get_Tp_allocator());
565 92 : __new_finish =
566 : std::__uninitialized_default_n_a(__new_finish, __n,
567 92 : _M_get_Tp_allocator());
568 : }
569 0 : __catch(...)
570 : {
571 0 : std::_Destroy(__new_start, __new_finish,
572 0 : _M_get_Tp_allocator());
573 0 : _M_deallocate(__new_start, __len);
574 0 : __throw_exception_again;
575 : }
576 92 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
577 92 : _M_get_Tp_allocator());
578 92 : _M_deallocate(this->_M_impl._M_start,
579 92 : this->_M_impl._M_end_of_storage
580 92 : - this->_M_impl._M_start);
581 92 : this->_M_impl._M_start = __new_start;
582 92 : this->_M_impl._M_finish = __new_finish;
583 92 : this->_M_impl._M_end_of_storage = __new_start + __len;
584 : }
585 : }
586 138 : }
587 :
588 : template<typename _Tp, typename _Alloc>
589 : bool
590 : vector<_Tp, _Alloc>::
591 : _M_shrink_to_fit()
592 : {
593 : if (capacity() == size())
594 : return false;
595 : return std::__shrink_to_fit_aux<vector>::_S_do_it(*this);
596 : }
597 : #endif
598 :
599 : template<typename _Tp, typename _Alloc>
600 : template<typename _InputIterator>
601 : void
602 : vector<_Tp, _Alloc>::
603 : _M_range_insert(iterator __pos, _InputIterator __first,
604 : _InputIterator __last, std::input_iterator_tag)
605 : {
606 : for (; __first != __last; ++__first)
607 : {
608 : __pos = insert(__pos, *__first);
609 : ++__pos;
610 : }
611 : }
612 :
613 : template<typename _Tp, typename _Alloc>
614 : template<typename _ForwardIterator>
615 : void
616 : vector<_Tp, _Alloc>::
617 : _M_range_insert(iterator __position, _ForwardIterator __first,
618 : _ForwardIterator __last, std::forward_iterator_tag)
619 : {
620 : if (__first != __last)
621 : {
622 : const size_type __n = std::distance(__first, __last);
623 : if (size_type(this->_M_impl._M_end_of_storage
624 : - this->_M_impl._M_finish) >= __n)
625 : {
626 : const size_type __elems_after = end() - __position;
627 : pointer __old_finish(this->_M_impl._M_finish);
628 : if (__elems_after > __n)
629 : {
630 : std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
631 : this->_M_impl._M_finish,
632 : this->_M_impl._M_finish,
633 : _M_get_Tp_allocator());
634 : this->_M_impl._M_finish += __n;
635 : _GLIBCXX_MOVE_BACKWARD3(__position.base(),
636 : __old_finish - __n, __old_finish);
637 : std::copy(__first, __last, __position);
638 : }
639 : else
640 : {
641 : _ForwardIterator __mid = __first;
642 : std::advance(__mid, __elems_after);
643 : std::__uninitialized_copy_a(__mid, __last,
644 : this->_M_impl._M_finish,
645 : _M_get_Tp_allocator());
646 : this->_M_impl._M_finish += __n - __elems_after;
647 : std::__uninitialized_move_a(__position.base(),
648 : __old_finish,
649 : this->_M_impl._M_finish,
650 : _M_get_Tp_allocator());
651 : this->_M_impl._M_finish += __elems_after;
652 : std::copy(__first, __mid, __position);
653 : }
654 : }
655 : else
656 : {
657 : const size_type __len =
658 : _M_check_len(__n, "vector::_M_range_insert");
659 : pointer __new_start(this->_M_allocate(__len));
660 : pointer __new_finish(__new_start);
661 : __try
662 : {
663 : __new_finish
664 : = std::__uninitialized_move_if_noexcept_a
665 : (this->_M_impl._M_start, __position.base(),
666 : __new_start, _M_get_Tp_allocator());
667 : __new_finish
668 : = std::__uninitialized_copy_a(__first, __last,
669 : __new_finish,
670 : _M_get_Tp_allocator());
671 : __new_finish
672 : = std::__uninitialized_move_if_noexcept_a
673 : (__position.base(), this->_M_impl._M_finish,
674 : __new_finish, _M_get_Tp_allocator());
675 : }
676 : __catch(...)
677 : {
678 : std::_Destroy(__new_start, __new_finish,
679 : _M_get_Tp_allocator());
680 : _M_deallocate(__new_start, __len);
681 : __throw_exception_again;
682 : }
683 : std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
684 : _M_get_Tp_allocator());
685 : _M_deallocate(this->_M_impl._M_start,
686 : this->_M_impl._M_end_of_storage
687 : - this->_M_impl._M_start);
688 : this->_M_impl._M_start = __new_start;
689 : this->_M_impl._M_finish = __new_finish;
690 : this->_M_impl._M_end_of_storage = __new_start + __len;
691 : }
692 : }
693 : }
694 :
695 :
696 : // vector<bool>
697 : template<typename _Alloc>
698 : void
699 : vector<bool, _Alloc>::
700 : _M_reallocate(size_type __n)
701 : {
702 : _Bit_pointer __q = this->_M_allocate(__n);
703 : iterator __start(std::__addressof(*__q), 0);
704 : this->_M_impl._M_finish = _M_copy_aligned(begin(), end(), __start);
705 : this->_M_deallocate();
706 : this->_M_impl._M_start = __start;
707 : this->_M_impl._M_end_of_storage = __q + _S_nword(__n);
708 : }
709 :
710 : template<typename _Alloc>
711 : void
712 : vector<bool, _Alloc>::
713 : _M_fill_insert(iterator __position, size_type __n, bool __x)
714 : {
715 : if (__n == 0)
716 : return;
717 : if (capacity() - size() >= __n)
718 : {
719 : std::copy_backward(__position, end(),
720 : this->_M_impl._M_finish + difference_type(__n));
721 : std::fill(__position, __position + difference_type(__n), __x);
722 : this->_M_impl._M_finish += difference_type(__n);
723 : }
724 : else
725 : {
726 : const size_type __len =
727 : _M_check_len(__n, "vector<bool>::_M_fill_insert");
728 : _Bit_pointer __q = this->_M_allocate(__len);
729 : iterator __start(std::__addressof(*__q), 0);
730 : iterator __i = _M_copy_aligned(begin(), __position, __start);
731 : std::fill(__i, __i + difference_type(__n), __x);
732 : this->_M_impl._M_finish = std::copy(__position, end(),
733 : __i + difference_type(__n));
734 : this->_M_deallocate();
735 : this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
736 : this->_M_impl._M_start = __start;
737 : }
738 : }
739 :
740 : template<typename _Alloc>
741 : template<typename _ForwardIterator>
742 : void
743 : vector<bool, _Alloc>::
744 : _M_insert_range(iterator __position, _ForwardIterator __first,
745 : _ForwardIterator __last, std::forward_iterator_tag)
746 : {
747 : if (__first != __last)
748 : {
749 : size_type __n = std::distance(__first, __last);
750 : if (capacity() - size() >= __n)
751 : {
752 : std::copy_backward(__position, end(),
753 : this->_M_impl._M_finish
754 : + difference_type(__n));
755 : std::copy(__first, __last, __position);
756 : this->_M_impl._M_finish += difference_type(__n);
757 : }
758 : else
759 : {
760 : const size_type __len =
761 : _M_check_len(__n, "vector<bool>::_M_insert_range");
762 : _Bit_pointer __q = this->_M_allocate(__len);
763 : iterator __start(std::__addressof(*__q), 0);
764 : iterator __i = _M_copy_aligned(begin(), __position, __start);
765 : __i = std::copy(__first, __last, __i);
766 : this->_M_impl._M_finish = std::copy(__position, end(), __i);
767 : this->_M_deallocate();
768 : this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
769 : this->_M_impl._M_start = __start;
770 : }
771 : }
772 : }
773 :
774 : template<typename _Alloc>
775 : void
776 : vector<bool, _Alloc>::
777 : _M_insert_aux(iterator __position, bool __x)
778 : {
779 : if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_addr())
780 : {
781 : std::copy_backward(__position, this->_M_impl._M_finish,
782 : this->_M_impl._M_finish + 1);
783 : *__position = __x;
784 : ++this->_M_impl._M_finish;
785 : }
786 : else
787 : {
788 : const size_type __len =
789 : _M_check_len(size_type(1), "vector<bool>::_M_insert_aux");
790 : _Bit_pointer __q = this->_M_allocate(__len);
791 : iterator __start(std::__addressof(*__q), 0);
792 : iterator __i = _M_copy_aligned(begin(), __position, __start);
793 : *__i++ = __x;
794 : this->_M_impl._M_finish = std::copy(__position, end(), __i);
795 : this->_M_deallocate();
796 : this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
797 : this->_M_impl._M_start = __start;
798 : }
799 : }
800 :
801 : template<typename _Alloc>
802 : typename vector<bool, _Alloc>::iterator
803 : vector<bool, _Alloc>::
804 : _M_erase(iterator __position)
805 : {
806 : if (__position + 1 != end())
807 : std::copy(__position + 1, end(), __position);
808 : --this->_M_impl._M_finish;
809 : return __position;
810 : }
811 :
812 : template<typename _Alloc>
813 : typename vector<bool, _Alloc>::iterator
814 : vector<bool, _Alloc>::
815 : _M_erase(iterator __first, iterator __last)
816 : {
817 : if (__first != __last)
818 : _M_erase_at_end(std::copy(__last, end(), __first));
819 : return __first;
820 : }
821 :
822 : #if __cplusplus >= 201103L
823 : template<typename _Alloc>
824 : bool
825 : vector<bool, _Alloc>::
826 : _M_shrink_to_fit()
827 : {
828 : if (capacity() - size() < int(_S_word_bit))
829 : return false;
830 : __try
831 : {
832 : _M_reallocate(size());
833 : return true;
834 : }
835 : __catch(...)
836 : { return false; }
837 : }
838 : #endif
839 :
840 : _GLIBCXX_END_NAMESPACE_CONTAINER
841 : } // namespace std
842 :
843 : #if __cplusplus >= 201103L
844 :
845 : namespace std _GLIBCXX_VISIBILITY(default)
846 : {
847 : _GLIBCXX_BEGIN_NAMESPACE_VERSION
848 :
849 : template<typename _Alloc>
850 : size_t
851 : hash<_GLIBCXX_STD_C::vector<bool, _Alloc>>::
852 : operator()(const _GLIBCXX_STD_C::vector<bool, _Alloc>& __b) const noexcept
853 : {
854 : size_t __hash = 0;
855 : using _GLIBCXX_STD_C::_S_word_bit;
856 : using _GLIBCXX_STD_C::_Bit_type;
857 :
858 : const size_t __words = __b.size() / _S_word_bit;
859 : if (__words)
860 : {
861 : const size_t __clength = __words * sizeof(_Bit_type);
862 : __hash = std::_Hash_impl::hash(__b._M_impl._M_start._M_p, __clength);
863 : }
864 :
865 : const size_t __extrabits = __b.size() % _S_word_bit;
866 : if (__extrabits)
867 : {
868 : _Bit_type __hiword = *__b._M_impl._M_finish._M_p;
869 : __hiword &= ~((~static_cast<_Bit_type>(0)) << __extrabits);
870 :
871 : const size_t __clength
872 : = (__extrabits + __CHAR_BIT__ - 1) / __CHAR_BIT__;
873 : if (__words)
874 : __hash = std::_Hash_impl::hash(&__hiword, __clength, __hash);
875 : else
876 : __hash = std::_Hash_impl::hash(&__hiword, __clength);
877 : }
878 :
879 : return __hash;
880 : }
881 :
882 : _GLIBCXX_END_NAMESPACE_VERSION
883 : } // namespace std
884 :
885 : #endif // C++11
886 :
887 : #endif /* _VECTOR_TCC */
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