LCOV - code coverage report
Current view: top level - 11/bits - vector.tcc (source / functions) Hit Total Coverage
Test: jami-coverage-filtered.info Lines: 203 269 75.5 %
Date: 2025-08-24 09:11:10 Functions: 243 365 66.6 %

          Line data    Source code
       1             : // Vector implementation (out of line) -*- C++ -*-
       2             : 
       3             : // Copyright (C) 2001-2021 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             : /*
      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_VERSION
      62             : _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
      63             : 
      64             :   template<typename _Tp, typename _Alloc>
      65             :     void
      66       86052 :     vector<_Tp, _Alloc>::
      67             :     reserve(size_type __n)
      68             :     {
      69       86052 :       if (__n > this->max_size())
      70           0 :         __throw_length_error(__N("vector::reserve"));
      71       86053 :       if (this->capacity() < __n)
      72             :         {
      73       80172 :           const size_type __old_size = size();
      74             :           pointer __tmp;
      75             : #if __cplusplus >= 201103L
      76             :           if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
      77             :             {
      78       80159 :               __tmp = this->_M_allocate(__n);
      79       80159 :               _S_relocate(this->_M_impl._M_start, this->_M_impl._M_finish,
      80       80159 :                           __tmp, _M_get_Tp_allocator());
      81             :             }
      82             :           else
      83             : #endif
      84             :             {
      85          13 :               __tmp = _M_allocate_and_copy(__n,
      86             :                 _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_start),
      87             :                 _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_finish));
      88          13 :               std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
      89          13 :                             _M_get_Tp_allocator());
      90             :             }
      91             :           _GLIBCXX_ASAN_ANNOTATE_REINIT;
      92       80172 :           _M_deallocate(this->_M_impl._M_start,
      93       80172 :                         this->_M_impl._M_end_of_storage
      94       80172 :                         - this->_M_impl._M_start);
      95       80172 :           this->_M_impl._M_start = __tmp;
      96       80172 :           this->_M_impl._M_finish = __tmp + __old_size;
      97       80172 :           this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n;
      98             :         }
      99       86053 :     }
     100             : 
     101             : #if __cplusplus >= 201103L
     102             :   template<typename _Tp, typename _Alloc>
     103             :     template<typename... _Args>
     104             : #if __cplusplus > 201402L
     105             :       typename vector<_Tp, _Alloc>::reference
     106             : #else
     107             :       void
     108             : #endif
     109    30153945 :       vector<_Tp, _Alloc>::
     110             :       emplace_back(_Args&&... __args)
     111             :       {
     112    30153945 :         if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
     113             :           {
     114             :             _GLIBCXX_ASAN_ANNOTATE_GROW(1);
     115    30027495 :             _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
     116             :                                      std::forward<_Args>(__args)...);
     117    30027497 :             ++this->_M_impl._M_finish;
     118             :             _GLIBCXX_ASAN_ANNOTATE_GREW(1);
     119             :           }
     120             :         else
     121      126450 :           _M_realloc_insert(end(), std::forward<_Args>(__args)...);
     122             : #if __cplusplus > 201402L
     123    30153926 :         return back();
     124             : #endif
     125             :       }
     126             : #endif
     127             : 
     128             :   template<typename _Tp, typename _Alloc>
     129             :     typename vector<_Tp, _Alloc>::iterator
     130        7491 :     vector<_Tp, _Alloc>::
     131             : #if __cplusplus >= 201103L
     132             :     insert(const_iterator __position, const value_type& __x)
     133             : #else
     134             :     insert(iterator __position, const value_type& __x)
     135             : #endif
     136             :     {
     137        7491 :       const size_type __n = __position - begin();
     138        7482 :       if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
     139        2743 :         if (__position == end())
     140             :           {
     141             :             _GLIBCXX_ASAN_ANNOTATE_GROW(1);
     142        1982 :             _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
     143             :                                      __x);
     144        1982 :             ++this->_M_impl._M_finish;
     145             :             _GLIBCXX_ASAN_ANNOTATE_GREW(1);
     146             :           }
     147             :         else
     148             :           {
     149             : #if __cplusplus >= 201103L
     150         762 :             const auto __pos = begin() + (__position - cbegin());
     151             :             // __x could be an existing element of this vector, so make a
     152             :             // copy of it before _M_insert_aux moves elements around.
     153         762 :             _Temporary_value __x_copy(this, __x);
     154         762 :             _M_insert_aux(__pos, std::move(__x_copy._M_val()));
     155             : #else
     156             :             _M_insert_aux(__position, __x);
     157             : #endif
     158         762 :           }
     159             :       else
     160             : #if __cplusplus >= 201103L
     161        4739 :         _M_realloc_insert(begin() + (__position - cbegin()), __x);
     162             : #else
     163             :         _M_realloc_insert(__position, __x);
     164             : #endif
     165             : 
     166        7487 :       return iterator(this->_M_impl._M_start + __n);
     167             :     }
     168             : 
     169             :   template<typename _Tp, typename _Alloc>
     170             :     typename vector<_Tp, _Alloc>::iterator
     171        1248 :     vector<_Tp, _Alloc>::
     172             :     _M_erase(iterator __position)
     173             :     {
     174        1248 :       if (__position + 1 != end())
     175         307 :         _GLIBCXX_MOVE3(__position + 1, end(), __position);
     176        1248 :       --this->_M_impl._M_finish;
     177        1248 :       _Alloc_traits::destroy(this->_M_impl, this->_M_impl._M_finish);
     178             :       _GLIBCXX_ASAN_ANNOTATE_SHRINK(1);
     179        1248 :       return __position;
     180             :     }
     181             : 
     182             :   template<typename _Tp, typename _Alloc>
     183             :     typename vector<_Tp, _Alloc>::iterator
     184         986 :     vector<_Tp, _Alloc>::
     185             :     _M_erase(iterator __first, iterator __last)
     186             :     {
     187         986 :       if (__first != __last)
     188             :         {
     189         102 :           if (__last != end())
     190           0 :             _GLIBCXX_MOVE3(__last, end(), __first);
     191         102 :           _M_erase_at_end(__first.base() + (end() - __last));
     192             :         }
     193         986 :       return __first;
     194             :     }
     195             : 
     196             :   template<typename _Tp, typename _Alloc>
     197             :     vector<_Tp, _Alloc>&
     198      808069 :     vector<_Tp, _Alloc>::
     199             :     operator=(const vector<_Tp, _Alloc>& __x)
     200             :     {
     201      808069 :       if (&__x != this)
     202             :         {
     203             :           _GLIBCXX_ASAN_ANNOTATE_REINIT;
     204             : #if __cplusplus >= 201103L
     205      808069 :           if (_Alloc_traits::_S_propagate_on_copy_assign())
     206             :             {
     207           0 :               if (!_Alloc_traits::_S_always_equal()
     208           0 :                   && _M_get_Tp_allocator() != __x._M_get_Tp_allocator())
     209             :                 {
     210             :                   // replacement allocator cannot free existing storage
     211           0 :                   this->clear();
     212           0 :                   _M_deallocate(this->_M_impl._M_start,
     213           0 :                                 this->_M_impl._M_end_of_storage
     214           0 :                                 - this->_M_impl._M_start);
     215           0 :                   this->_M_impl._M_start = nullptr;
     216           0 :                   this->_M_impl._M_finish = nullptr;
     217           0 :                   this->_M_impl._M_end_of_storage = nullptr;
     218             :                 }
     219           0 :               std::__alloc_on_copy(_M_get_Tp_allocator(),
     220           0 :                                    __x._M_get_Tp_allocator());
     221             :             }
     222             : #endif
     223      808069 :           const size_type __xlen = __x.size();
     224      808069 :           if (__xlen > capacity())
     225             :             {
     226       24086 :               pointer __tmp = _M_allocate_and_copy(__xlen, __x.begin(),
     227             :                                                    __x.end());
     228       24086 :               std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
     229       24086 :                             _M_get_Tp_allocator());
     230       24086 :               _M_deallocate(this->_M_impl._M_start,
     231       24086 :                             this->_M_impl._M_end_of_storage
     232       24086 :                             - this->_M_impl._M_start);
     233       24086 :               this->_M_impl._M_start = __tmp;
     234       24086 :               this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __xlen;
     235             :             }
     236      783983 :           else if (size() >= __xlen)
     237             :             {
     238      783977 :               std::_Destroy(std::copy(__x.begin(), __x.end(), begin()),
     239      783977 :                             end(), _M_get_Tp_allocator());
     240             :             }
     241             :           else
     242             :             {
     243           6 :               std::copy(__x._M_impl._M_start, __x._M_impl._M_start + size(),
     244             :                         this->_M_impl._M_start);
     245           6 :               std::__uninitialized_copy_a(__x._M_impl._M_start + size(),
     246           6 :                                           __x._M_impl._M_finish,
     247             :                                           this->_M_impl._M_finish,
     248           6 :                                           _M_get_Tp_allocator());
     249             :             }
     250      808069 :           this->_M_impl._M_finish = this->_M_impl._M_start + __xlen;
     251             :         }
     252      808069 :       return *this;
     253             :     }
     254             : 
     255             :   template<typename _Tp, typename _Alloc>
     256             :     void
     257       32112 :     vector<_Tp, _Alloc>::
     258             :     _M_fill_assign(size_t __n, const value_type& __val)
     259             :     {
     260       32112 :       if (__n > capacity())
     261             :         {
     262       16579 :           vector __tmp(__n, __val, _M_get_Tp_allocator());
     263       16579 :           __tmp._M_impl._M_swap_data(this->_M_impl);
     264       16579 :         }
     265       15533 :       else if (__n > size())
     266             :         {
     267          18 :           std::fill(begin(), end(), __val);
     268          18 :           const size_type __add = __n - size();
     269             :           _GLIBCXX_ASAN_ANNOTATE_GROW(__add);
     270          18 :           this->_M_impl._M_finish =
     271          18 :             std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
     272          18 :                                           __add, __val, _M_get_Tp_allocator());
     273             :           _GLIBCXX_ASAN_ANNOTATE_GREW(__add);
     274             :         }
     275             :       else
     276       15515 :         _M_erase_at_end(std::fill_n(this->_M_impl._M_start, __n, __val));
     277       32112 :     }
     278             : 
     279             :   template<typename _Tp, typename _Alloc>
     280             :     template<typename _InputIterator>
     281             :       void
     282             :       vector<_Tp, _Alloc>::
     283             :       _M_assign_aux(_InputIterator __first, _InputIterator __last,
     284             :                     std::input_iterator_tag)
     285             :       {
     286             :         pointer __cur(this->_M_impl._M_start);
     287             :         for (; __first != __last && __cur != this->_M_impl._M_finish;
     288             :              ++__cur, (void)++__first)
     289             :           *__cur = *__first;
     290             :         if (__first == __last)
     291             :           _M_erase_at_end(__cur);
     292             :         else
     293             :           _M_range_insert(end(), __first, __last,
     294             :                           std::__iterator_category(__first));
     295             :       }
     296             : 
     297             :   template<typename _Tp, typename _Alloc>
     298             :     template<typename _ForwardIterator>
     299             :       void
     300        1231 :       vector<_Tp, _Alloc>::
     301             :       _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
     302             :                     std::forward_iterator_tag)
     303             :       {
     304        1231 :         const size_type __len = std::distance(__first, __last);
     305             : 
     306        1231 :         if (__len > capacity())
     307             :           {
     308         227 :             _S_check_init_len(__len, _M_get_Tp_allocator());
     309         227 :             pointer __tmp(_M_allocate_and_copy(__len, __first, __last));
     310         227 :             std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
     311         227 :                           _M_get_Tp_allocator());
     312             :             _GLIBCXX_ASAN_ANNOTATE_REINIT;
     313         227 :             _M_deallocate(this->_M_impl._M_start,
     314         227 :                           this->_M_impl._M_end_of_storage
     315         227 :                           - this->_M_impl._M_start);
     316         227 :             this->_M_impl._M_start = __tmp;
     317         227 :             this->_M_impl._M_finish = this->_M_impl._M_start + __len;
     318         227 :             this->_M_impl._M_end_of_storage = this->_M_impl._M_finish;
     319             :           }
     320        1004 :         else if (size() >= __len)
     321        1004 :           _M_erase_at_end(std::copy(__first, __last, this->_M_impl._M_start));
     322             :         else
     323             :           {
     324           0 :             _ForwardIterator __mid = __first;
     325           0 :             std::advance(__mid, size());
     326           0 :             std::copy(__first, __mid, this->_M_impl._M_start);
     327           0 :             const size_type __attribute__((__unused__)) __n = __len - size();
     328             :             _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
     329           0 :             this->_M_impl._M_finish =
     330           0 :               std::__uninitialized_copy_a(__mid, __last,
     331             :                                           this->_M_impl._M_finish,
     332           0 :                                           _M_get_Tp_allocator());
     333             :             _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
     334             :           }
     335        1231 :       }
     336             : 
     337             : #if __cplusplus >= 201103L
     338             :   template<typename _Tp, typename _Alloc>
     339             :     auto
     340       20647 :     vector<_Tp, _Alloc>::
     341             :     _M_insert_rval(const_iterator __position, value_type&& __v) -> iterator
     342             :     {
     343       20647 :       const auto __n = __position - cbegin();
     344       20647 :       if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
     345        4785 :         if (__position == cend())
     346             :           {
     347             :             _GLIBCXX_ASAN_ANNOTATE_GROW(1);
     348        4785 :             _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
     349        4785 :                                      std::move(__v));
     350        4785 :             ++this->_M_impl._M_finish;
     351             :             _GLIBCXX_ASAN_ANNOTATE_GREW(1);
     352             :           }
     353             :         else
     354           0 :           _M_insert_aux(begin() + __n, std::move(__v));
     355             :       else
     356       15862 :         _M_realloc_insert(begin() + __n, std::move(__v));
     357             : 
     358       20647 :       return iterator(this->_M_impl._M_start + __n);
     359             :     }
     360             : 
     361             :   template<typename _Tp, typename _Alloc>
     362             :     template<typename... _Args>
     363             :       auto
     364           1 :       vector<_Tp, _Alloc>::
     365             :       _M_emplace_aux(const_iterator __position, _Args&&... __args)
     366             :       -> iterator
     367             :       {
     368           1 :         const auto __n = __position - cbegin();
     369           1 :         if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
     370           0 :           if (__position == cend())
     371             :             {
     372             :               _GLIBCXX_ASAN_ANNOTATE_GROW(1);
     373           0 :               _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
     374             :                                        std::forward<_Args>(__args)...);
     375           0 :               ++this->_M_impl._M_finish;
     376             :               _GLIBCXX_ASAN_ANNOTATE_GREW(1);
     377             :             }
     378             :           else
     379             :             {
     380             :               // We need to construct a temporary because something in __args...
     381             :               // could alias one of the elements of the container and so we
     382             :               // need to use it before _M_insert_aux moves elements around.
     383           0 :               _Temporary_value __tmp(this, std::forward<_Args>(__args)...);
     384           0 :               _M_insert_aux(begin() + __n, std::move(__tmp._M_val()));
     385           0 :             }
     386             :         else
     387           1 :           _M_realloc_insert(begin() + __n, std::forward<_Args>(__args)...);
     388             : 
     389           1 :         return iterator(this->_M_impl._M_start + __n);
     390             :       }
     391             : 
     392             :   template<typename _Tp, typename _Alloc>
     393             :     template<typename _Arg>
     394             :       void
     395         762 :       vector<_Tp, _Alloc>::
     396             :       _M_insert_aux(iterator __position, _Arg&& __arg)
     397             : #else
     398             :   template<typename _Tp, typename _Alloc>
     399             :     void
     400             :     vector<_Tp, _Alloc>::
     401             :     _M_insert_aux(iterator __position, const _Tp& __x)
     402             : #endif
     403             :     {
     404             :       _GLIBCXX_ASAN_ANNOTATE_GROW(1);
     405         762 :       _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
     406         762 :                                _GLIBCXX_MOVE(*(this->_M_impl._M_finish - 1)));
     407         762 :       ++this->_M_impl._M_finish;
     408             :       _GLIBCXX_ASAN_ANNOTATE_GREW(1);
     409             : #if __cplusplus < 201103L
     410             :       _Tp __x_copy = __x;
     411             : #endif
     412         762 :       _GLIBCXX_MOVE_BACKWARD3(__position.base(),
     413             :                               this->_M_impl._M_finish - 2,
     414             :                               this->_M_impl._M_finish - 1);
     415             : #if __cplusplus < 201103L
     416             :       *__position = __x_copy;
     417             : #else
     418         762 :       *__position = std::forward<_Arg>(__arg);
     419             : #endif
     420         762 :     }
     421             : 
     422             : #if __cplusplus >= 201103L
     423             :   template<typename _Tp, typename _Alloc>
     424             :     template<typename... _Args>
     425             :       void
     426      198617 :       vector<_Tp, _Alloc>::
     427             :       _M_realloc_insert(iterator __position, _Args&&... __args)
     428             : #else
     429             :   template<typename _Tp, typename _Alloc>
     430             :     void
     431             :     vector<_Tp, _Alloc>::
     432             :     _M_realloc_insert(iterator __position, const _Tp& __x)
     433             : #endif
     434             :     {
     435             :       const size_type __len =
     436      198617 :         _M_check_len(size_type(1), "vector::_M_realloc_insert");
     437      198605 :       pointer __old_start = this->_M_impl._M_start;
     438      198605 :       pointer __old_finish = this->_M_impl._M_finish;
     439      198605 :       const size_type __elems_before = __position - begin();
     440      198600 :       pointer __new_start(this->_M_allocate(__len));
     441      198596 :       pointer __new_finish(__new_start);
     442             :       __try
     443             :         {
     444             :           // The order of the three operations is dictated by the C++11
     445             :           // case, where the moves could alter a new element belonging
     446             :           // to the existing vector.  This is an issue only for callers
     447             :           // taking the element by lvalue ref (see last bullet of C++11
     448             :           // [res.on.arguments]).
     449      198596 :           _Alloc_traits::construct(this->_M_impl,
     450      198048 :                                    __new_start + __elems_before,
     451             : #if __cplusplus >= 201103L
     452             :                                    std::forward<_Args>(__args)...);
     453             : #else
     454             :                                    __x);
     455             : #endif
     456      198603 :           __new_finish = pointer();
     457             : 
     458             : #if __cplusplus >= 201103L
     459             :           if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
     460             :             {
     461      198538 :               __new_finish = _S_relocate(__old_start, __position.base(),
     462      198544 :                                          __new_start, _M_get_Tp_allocator());
     463             : 
     464      198556 :               ++__new_finish;
     465             : 
     466      198560 :               __new_finish = _S_relocate(__position.base(), __old_finish,
     467      198556 :                                          __new_finish, _M_get_Tp_allocator());
     468             :             }
     469             :           else
     470             : #endif
     471             :             {
     472             :               __new_finish
     473             :                 = std::__uninitialized_move_if_noexcept_a
     474          59 :                 (__old_start, __position.base(),
     475          59 :                  __new_start, _M_get_Tp_allocator());
     476             : 
     477          59 :               ++__new_finish;
     478             : 
     479             :               __new_finish
     480             :                 = std::__uninitialized_move_if_noexcept_a
     481          59 :                 (__position.base(), __old_finish,
     482          59 :                  __new_finish, _M_get_Tp_allocator());
     483             :             }
     484             :         }
     485           0 :       __catch(...)
     486             :         {
     487           0 :           if (!__new_finish)
     488           0 :             _Alloc_traits::destroy(this->_M_impl,
     489           0 :                                    __new_start + __elems_before);
     490             :           else
     491           0 :             std::_Destroy(__new_start, __new_finish, _M_get_Tp_allocator());
     492           0 :           _M_deallocate(__new_start, __len);
     493           0 :           __throw_exception_again;
     494             :         }
     495             : #if __cplusplus >= 201103L
     496             :       if _GLIBCXX17_CONSTEXPR (!_S_use_relocate())
     497             : #endif
     498          59 :         std::_Destroy(__old_start, __old_finish, _M_get_Tp_allocator());
     499             :       _GLIBCXX_ASAN_ANNOTATE_REINIT;
     500      198621 :       _M_deallocate(__old_start,
     501      198621 :                     this->_M_impl._M_end_of_storage - __old_start);
     502      198616 :       this->_M_impl._M_start = __new_start;
     503      198616 :       this->_M_impl._M_finish = __new_finish;
     504      198616 :       this->_M_impl._M_end_of_storage = __new_start + __len;
     505      198616 :     }
     506             : 
     507             :   template<typename _Tp, typename _Alloc>
     508             :     void
     509             :     vector<_Tp, _Alloc>::
     510             :     _M_fill_insert(iterator __position, size_type __n, const value_type& __x)
     511             :     {
     512             :       if (__n != 0)
     513             :         {
     514             :           if (size_type(this->_M_impl._M_end_of_storage
     515             :                         - this->_M_impl._M_finish) >= __n)
     516             :             {
     517             : #if __cplusplus < 201103L
     518             :               value_type __x_copy = __x;
     519             : #else
     520             :               _Temporary_value __tmp(this, __x);
     521             :               value_type& __x_copy = __tmp._M_val();
     522             : #endif
     523             :               const size_type __elems_after = end() - __position;
     524             :               pointer __old_finish(this->_M_impl._M_finish);
     525             :               if (__elems_after > __n)
     526             :                 {
     527             :                   _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
     528             :                   std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
     529             :                                               this->_M_impl._M_finish,
     530             :                                               this->_M_impl._M_finish,
     531             :                                               _M_get_Tp_allocator());
     532             :                   this->_M_impl._M_finish += __n;
     533             :                   _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
     534             :                   _GLIBCXX_MOVE_BACKWARD3(__position.base(),
     535             :                                           __old_finish - __n, __old_finish);
     536             :                   std::fill(__position.base(), __position.base() + __n,
     537             :                             __x_copy);
     538             :                 }
     539             :               else
     540             :                 {
     541             :                   _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
     542             :                   this->_M_impl._M_finish =
     543             :                     std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
     544             :                                                   __n - __elems_after,
     545             :                                                   __x_copy,
     546             :                                                   _M_get_Tp_allocator());
     547             :                   _GLIBCXX_ASAN_ANNOTATE_GREW(__n - __elems_after);
     548             :                   std::__uninitialized_move_a(__position.base(), __old_finish,
     549             :                                               this->_M_impl._M_finish,
     550             :                                               _M_get_Tp_allocator());
     551             :                   this->_M_impl._M_finish += __elems_after;
     552             :                   _GLIBCXX_ASAN_ANNOTATE_GREW(__elems_after);
     553             :                   std::fill(__position.base(), __old_finish, __x_copy);
     554             :                 }
     555             :             }
     556             :           else
     557             :             {
     558             :               const size_type __len =
     559             :                 _M_check_len(__n, "vector::_M_fill_insert");
     560             :               const size_type __elems_before = __position - begin();
     561             :               pointer __new_start(this->_M_allocate(__len));
     562             :               pointer __new_finish(__new_start);
     563             :               __try
     564             :                 {
     565             :                   // See _M_realloc_insert above.
     566             :                   std::__uninitialized_fill_n_a(__new_start + __elems_before,
     567             :                                                 __n, __x,
     568             :                                                 _M_get_Tp_allocator());
     569             :                   __new_finish = pointer();
     570             : 
     571             :                   __new_finish
     572             :                     = std::__uninitialized_move_if_noexcept_a
     573             :                     (this->_M_impl._M_start, __position.base(),
     574             :                      __new_start, _M_get_Tp_allocator());
     575             : 
     576             :                   __new_finish += __n;
     577             : 
     578             :                   __new_finish
     579             :                     = std::__uninitialized_move_if_noexcept_a
     580             :                     (__position.base(), this->_M_impl._M_finish,
     581             :                      __new_finish, _M_get_Tp_allocator());
     582             :                 }
     583             :               __catch(...)
     584             :                 {
     585             :                   if (!__new_finish)
     586             :                     std::_Destroy(__new_start + __elems_before,
     587             :                                   __new_start + __elems_before + __n,
     588             :                                   _M_get_Tp_allocator());
     589             :                   else
     590             :                     std::_Destroy(__new_start, __new_finish,
     591             :                                   _M_get_Tp_allocator());
     592             :                   _M_deallocate(__new_start, __len);
     593             :                   __throw_exception_again;
     594             :                 }
     595             :               std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
     596             :                             _M_get_Tp_allocator());
     597             :               _GLIBCXX_ASAN_ANNOTATE_REINIT;
     598             :               _M_deallocate(this->_M_impl._M_start,
     599             :                             this->_M_impl._M_end_of_storage
     600             :                             - this->_M_impl._M_start);
     601             :               this->_M_impl._M_start = __new_start;
     602             :               this->_M_impl._M_finish = __new_finish;
     603             :               this->_M_impl._M_end_of_storage = __new_start + __len;
     604             :             }
     605             :         }
     606             :     }
     607             : 
     608             : #if __cplusplus >= 201103L
     609             :   template<typename _Tp, typename _Alloc>
     610             :     void
     611     4692786 :     vector<_Tp, _Alloc>::
     612             :     _M_default_append(size_type __n)
     613             :     {
     614     4692786 :       if (__n != 0)
     615             :         {
     616     4692786 :           const size_type __size = size();
     617     4692786 :           size_type __navail = size_type(this->_M_impl._M_end_of_storage
     618     4692786 :                                          - this->_M_impl._M_finish);
     619             : 
     620     4692786 :           if (__size > max_size() || __navail > max_size() - __size)
     621           0 :             __builtin_unreachable();
     622             : 
     623     4692786 :           if (__navail >= __n)
     624             :             {
     625             :               _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
     626        1770 :               this->_M_impl._M_finish =
     627        1770 :                 std::__uninitialized_default_n_a(this->_M_impl._M_finish,
     628        1770 :                                                  __n, _M_get_Tp_allocator());
     629             :               _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
     630             :             }
     631             :           else
     632             :             {
     633             :               const size_type __len =
     634     4691016 :                 _M_check_len(__n, "vector::_M_default_append");
     635     4691016 :               pointer __new_start(this->_M_allocate(__len));
     636             :               if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
     637             :                 {
     638             :                   __try
     639             :                     {
     640     4691016 :                       std::__uninitialized_default_n_a(__new_start + __size,
     641     4691016 :                               __n, _M_get_Tp_allocator());
     642             :                     }
     643           0 :                   __catch(...)
     644             :                     {
     645           0 :                       _M_deallocate(__new_start, __len);
     646           0 :                       __throw_exception_again;
     647             :                     }
     648     4691016 :                   _S_relocate(this->_M_impl._M_start, this->_M_impl._M_finish,
     649     4691016 :                               __new_start, _M_get_Tp_allocator());
     650             :                 }
     651             :               else
     652             :                 {
     653           0 :                   pointer __destroy_from = pointer();
     654             :                   __try
     655             :                     {
     656           0 :                       std::__uninitialized_default_n_a(__new_start + __size,
     657           0 :                               __n, _M_get_Tp_allocator());
     658           0 :                       __destroy_from = __new_start + __size;
     659           0 :                       std::__uninitialized_move_if_noexcept_a(
     660             :                               this->_M_impl._M_start, this->_M_impl._M_finish,
     661           0 :                               __new_start, _M_get_Tp_allocator());
     662             :                     }
     663           0 :                   __catch(...)
     664             :                     {
     665           0 :                       if (__destroy_from)
     666           0 :                         std::_Destroy(__destroy_from, __destroy_from + __n,
     667           0 :                                       _M_get_Tp_allocator());
     668           0 :                       _M_deallocate(__new_start, __len);
     669           0 :                       __throw_exception_again;
     670             :                     }
     671           0 :                   std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
     672           0 :                                 _M_get_Tp_allocator());
     673             :                 }
     674             :               _GLIBCXX_ASAN_ANNOTATE_REINIT;
     675     4691016 :               _M_deallocate(this->_M_impl._M_start,
     676     4691016 :                             this->_M_impl._M_end_of_storage
     677     4691016 :                             - this->_M_impl._M_start);
     678     4691016 :               this->_M_impl._M_start = __new_start;
     679     4691016 :               this->_M_impl._M_finish = __new_start + __size + __n;
     680     4691016 :               this->_M_impl._M_end_of_storage = __new_start + __len;
     681             :             }
     682             :         }
     683     4692786 :     }
     684             : 
     685             :   template<typename _Tp, typename _Alloc>
     686             :     bool
     687           0 :     vector<_Tp, _Alloc>::
     688             :     _M_shrink_to_fit()
     689             :     {
     690           0 :       if (capacity() == size())
     691           0 :         return false;
     692             :       _GLIBCXX_ASAN_ANNOTATE_REINIT;
     693           0 :       return std::__shrink_to_fit_aux<vector>::_S_do_it(*this);
     694             :     }
     695             : #endif
     696             : 
     697             :   template<typename _Tp, typename _Alloc>
     698             :     template<typename _InputIterator>
     699             :       void
     700             :       vector<_Tp, _Alloc>::
     701             :       _M_range_insert(iterator __pos, _InputIterator __first,
     702             :                       _InputIterator __last, std::input_iterator_tag)
     703             :       {
     704             :         if (__pos == end())
     705             :           {
     706             :             for (; __first != __last; ++__first)
     707             :               insert(end(), *__first);
     708             :           }
     709             :         else if (__first != __last)
     710             :           {
     711             :             vector __tmp(__first, __last, _M_get_Tp_allocator());
     712             :             insert(__pos,
     713             :                    _GLIBCXX_MAKE_MOVE_ITERATOR(__tmp.begin()),
     714             :                    _GLIBCXX_MAKE_MOVE_ITERATOR(__tmp.end()));
     715             :           }
     716             :       }
     717             : 
     718             :   template<typename _Tp, typename _Alloc>
     719             :     template<typename _ForwardIterator>
     720             :       void
     721       25177 :       vector<_Tp, _Alloc>::
     722             :       _M_range_insert(iterator __position, _ForwardIterator __first,
     723             :                       _ForwardIterator __last, std::forward_iterator_tag)
     724             :       {
     725       25177 :         if (__first != __last)
     726             :           {
     727       18402 :             const size_type __n = std::distance(__first, __last);
     728       18402 :             if (size_type(this->_M_impl._M_end_of_storage
     729       18402 :                           - this->_M_impl._M_finish) >= __n)
     730             :               {
     731        9009 :                 const size_type __elems_after = end() - __position;
     732        9009 :                 pointer __old_finish(this->_M_impl._M_finish);
     733        9009 :                 if (__elems_after > __n)
     734             :                   {
     735             :                     _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
     736           0 :                     std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
     737             :                                                 this->_M_impl._M_finish,
     738             :                                                 this->_M_impl._M_finish,
     739           0 :                                                 _M_get_Tp_allocator());
     740           0 :                     this->_M_impl._M_finish += __n;
     741             :                     _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
     742           0 :                     _GLIBCXX_MOVE_BACKWARD3(__position.base(),
     743             :                                             __old_finish - __n, __old_finish);
     744           0 :                     std::copy(__first, __last, __position);
     745             :                   }
     746             :                 else
     747             :                   {
     748        9009 :                     _ForwardIterator __mid = __first;
     749        9009 :                     std::advance(__mid, __elems_after);
     750             :                     _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
     751        9009 :                     std::__uninitialized_copy_a(__mid, __last,
     752             :                                                 this->_M_impl._M_finish,
     753        9009 :                                                 _M_get_Tp_allocator());
     754        9009 :                     this->_M_impl._M_finish += __n - __elems_after;
     755             :                     _GLIBCXX_ASAN_ANNOTATE_GREW(__n - __elems_after);
     756        9009 :                     std::__uninitialized_move_a(__position.base(),
     757             :                                                 __old_finish,
     758             :                                                 this->_M_impl._M_finish,
     759        9009 :                                                 _M_get_Tp_allocator());
     760        9009 :                     this->_M_impl._M_finish += __elems_after;
     761             :                     _GLIBCXX_ASAN_ANNOTATE_GREW(__elems_after);
     762        9009 :                     std::copy(__first, __mid, __position);
     763             :                   }
     764             :               }
     765             :             else
     766             :               {
     767             :                 const size_type __len =
     768        9393 :                   _M_check_len(__n, "vector::_M_range_insert");
     769        9393 :                 pointer __new_start(this->_M_allocate(__len));
     770        9393 :                 pointer __new_finish(__new_start);
     771             :                 __try
     772             :                   {
     773             :                     __new_finish
     774             :                       = std::__uninitialized_move_if_noexcept_a
     775        9393 :                       (this->_M_impl._M_start, __position.base(),
     776        9393 :                        __new_start, _M_get_Tp_allocator());
     777             :                     __new_finish
     778        9393 :                       = std::__uninitialized_copy_a(__first, __last,
     779             :                                                     __new_finish,
     780        9393 :                                                     _M_get_Tp_allocator());
     781             :                     __new_finish
     782             :                       = std::__uninitialized_move_if_noexcept_a
     783        9393 :                       (__position.base(), this->_M_impl._M_finish,
     784        9393 :                        __new_finish, _M_get_Tp_allocator());
     785             :                   }
     786           0 :                 __catch(...)
     787             :                   {
     788           0 :                     std::_Destroy(__new_start, __new_finish,
     789           0 :                                   _M_get_Tp_allocator());
     790           0 :                     _M_deallocate(__new_start, __len);
     791           0 :                     __throw_exception_again;
     792             :                   }
     793        9393 :                 std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
     794        9393 :                               _M_get_Tp_allocator());
     795             :                 _GLIBCXX_ASAN_ANNOTATE_REINIT;
     796        9393 :                 _M_deallocate(this->_M_impl._M_start,
     797        9393 :                               this->_M_impl._M_end_of_storage
     798        9393 :                               - this->_M_impl._M_start);
     799        9393 :                 this->_M_impl._M_start = __new_start;
     800        9393 :                 this->_M_impl._M_finish = __new_finish;
     801        9393 :                 this->_M_impl._M_end_of_storage = __new_start + __len;
     802             :               }
     803             :           }
     804       25177 :       }
     805             : 
     806             : 
     807             :   // vector<bool>
     808             :   template<typename _Alloc>
     809             :     void
     810             :     vector<bool, _Alloc>::
     811             :     _M_reallocate(size_type __n)
     812             :     {
     813             :       _Bit_pointer __q = this->_M_allocate(__n);
     814             :       iterator __start(std::__addressof(*__q), 0);
     815             :       iterator __finish(_M_copy_aligned(begin(), end(), __start));
     816             :       this->_M_deallocate();
     817             :       this->_M_impl._M_start = __start;
     818             :       this->_M_impl._M_finish = __finish;
     819             :       this->_M_impl._M_end_of_storage = __q + _S_nword(__n);
     820             :     }
     821             : 
     822             :   template<typename _Alloc>
     823             :     void
     824             :     vector<bool, _Alloc>::
     825             :     _M_fill_insert(iterator __position, size_type __n, bool __x)
     826             :     {
     827             :       if (__n == 0)
     828             :         return;
     829             :       if (capacity() - size() >= __n)
     830             :         {
     831             :           std::copy_backward(__position, end(),
     832             :                              this->_M_impl._M_finish + difference_type(__n));
     833             :           std::fill(__position, __position + difference_type(__n), __x);
     834             :           this->_M_impl._M_finish += difference_type(__n);
     835             :         }
     836             :       else
     837             :         {
     838             :           const size_type __len = 
     839             :             _M_check_len(__n, "vector<bool>::_M_fill_insert");
     840             :           _Bit_pointer __q = this->_M_allocate(__len);
     841             :           iterator __start(std::__addressof(*__q), 0);
     842             :           iterator __i = _M_copy_aligned(begin(), __position, __start);
     843             :           std::fill(__i, __i + difference_type(__n), __x);
     844             :           iterator __finish = std::copy(__position, end(),
     845             :                                         __i + difference_type(__n));
     846             :           this->_M_deallocate();
     847             :           this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
     848             :           this->_M_impl._M_start = __start;
     849             :           this->_M_impl._M_finish = __finish;
     850             :         }
     851             :     }
     852             : 
     853             :   template<typename _Alloc>
     854             :     template<typename _ForwardIterator>
     855             :       void
     856             :       vector<bool, _Alloc>::
     857             :       _M_insert_range(iterator __position, _ForwardIterator __first, 
     858             :                       _ForwardIterator __last, std::forward_iterator_tag)
     859             :       {
     860             :         if (__first != __last)
     861             :           {
     862             :             size_type __n = std::distance(__first, __last);
     863             :             if (capacity() - size() >= __n)
     864             :               {
     865             :                 std::copy_backward(__position, end(),
     866             :                                    this->_M_impl._M_finish
     867             :                                    + difference_type(__n));
     868             :                 std::copy(__first, __last, __position);
     869             :                 this->_M_impl._M_finish += difference_type(__n);
     870             :               }
     871             :             else
     872             :               {
     873             :                 const size_type __len =
     874             :                   _M_check_len(__n, "vector<bool>::_M_insert_range");
     875             :                 _Bit_pointer __q = this->_M_allocate(__len);
     876             :                 iterator __start(std::__addressof(*__q), 0);
     877             :                 iterator __i = _M_copy_aligned(begin(), __position, __start);
     878             :                 __i = std::copy(__first, __last, __i);
     879             :                 iterator __finish = std::copy(__position, end(), __i);
     880             :                 this->_M_deallocate();
     881             :                 this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
     882             :                 this->_M_impl._M_start = __start;
     883             :                 this->_M_impl._M_finish = __finish;
     884             :               }
     885             :           }
     886             :       }
     887             : 
     888             :   template<typename _Alloc>
     889             :     void
     890             :     vector<bool, _Alloc>::
     891             :     _M_insert_aux(iterator __position, bool __x)
     892             :     {
     893             :       if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_addr())
     894             :         {
     895             :           std::copy_backward(__position, this->_M_impl._M_finish, 
     896             :                              this->_M_impl._M_finish + 1);
     897             :           *__position = __x;
     898             :           ++this->_M_impl._M_finish;
     899             :         }
     900             :       else
     901             :         {
     902             :           const size_type __len =
     903             :             _M_check_len(size_type(1), "vector<bool>::_M_insert_aux");
     904             :           _Bit_pointer __q = this->_M_allocate(__len);
     905             :           iterator __start(std::__addressof(*__q), 0);
     906             :           iterator __i = _M_copy_aligned(begin(), __position, __start);
     907             :           *__i++ = __x;
     908             :           iterator __finish = std::copy(__position, end(), __i);
     909             :           this->_M_deallocate();
     910             :           this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
     911             :           this->_M_impl._M_start = __start;
     912             :           this->_M_impl._M_finish = __finish;
     913             :         }
     914             :     }
     915             : 
     916             :   template<typename _Alloc>
     917             :     typename vector<bool, _Alloc>::iterator
     918             :     vector<bool, _Alloc>::
     919             :     _M_erase(iterator __position)
     920             :     {
     921             :       if (__position + 1 != end())
     922             :         std::copy(__position + 1, end(), __position);
     923             :       --this->_M_impl._M_finish;
     924             :       return __position;
     925             :     }
     926             : 
     927             :   template<typename _Alloc>
     928             :     typename vector<bool, _Alloc>::iterator
     929             :     vector<bool, _Alloc>::
     930             :     _M_erase(iterator __first, iterator __last)
     931             :     {
     932             :       if (__first != __last)
     933             :         _M_erase_at_end(std::copy(__last, end(), __first));
     934             :       return __first;
     935             :     }
     936             : 
     937             : #if __cplusplus >= 201103L
     938             :   template<typename _Alloc>
     939             :     bool
     940             :     vector<bool, _Alloc>::
     941             :     _M_shrink_to_fit()
     942             :     {
     943             :       if (capacity() - size() < int(_S_word_bit))
     944             :         return false;
     945             :       __try
     946             :         {
     947             :           if (size_type __n = size())
     948             :             _M_reallocate(__n);
     949             :           else
     950             :             {
     951             :               this->_M_deallocate();
     952             :               this->_M_impl._M_reset();
     953             :             }
     954             :           return true;
     955             :         }
     956             :       __catch(...)
     957             :         { return false; }
     958             :     }
     959             : #endif
     960             : 
     961             : _GLIBCXX_END_NAMESPACE_CONTAINER
     962             : _GLIBCXX_END_NAMESPACE_VERSION
     963             : } // namespace std
     964             : 
     965             : #if __cplusplus >= 201103L
     966             : 
     967             : namespace std _GLIBCXX_VISIBILITY(default)
     968             : {
     969             : _GLIBCXX_BEGIN_NAMESPACE_VERSION
     970             : 
     971             :   template<typename _Alloc>
     972             :     size_t
     973             :     hash<_GLIBCXX_STD_C::vector<bool, _Alloc>>::
     974             :     operator()(const _GLIBCXX_STD_C::vector<bool, _Alloc>& __b) const noexcept
     975             :     {
     976             :       size_t __hash = 0;
     977             :       using _GLIBCXX_STD_C::_S_word_bit;
     978             :       using _GLIBCXX_STD_C::_Bit_type;
     979             : 
     980             :       const size_t __words = __b.size() / _S_word_bit;
     981             :       if (__words)
     982             :         {
     983             :           const size_t __clength = __words * sizeof(_Bit_type);
     984             :           __hash = std::_Hash_impl::hash(__b._M_impl._M_start._M_p, __clength);
     985             :         }
     986             : 
     987             :       const size_t __extrabits = __b.size() % _S_word_bit;
     988             :       if (__extrabits)
     989             :         {
     990             :           _Bit_type __hiword = *__b._M_impl._M_finish._M_p;
     991             :           __hiword &= ~((~static_cast<_Bit_type>(0)) << __extrabits);
     992             : 
     993             :           const size_t __clength
     994             :             = (__extrabits + __CHAR_BIT__ - 1) / __CHAR_BIT__;
     995             :           if (__words)
     996             :             __hash = std::_Hash_impl::hash(&__hiword, __clength, __hash);
     997             :           else
     998             :             __hash = std::_Hash_impl::hash(&__hiword, __clength);
     999             :         }
    1000             : 
    1001             :       return __hash;
    1002             :     }
    1003             : 
    1004             : _GLIBCXX_END_NAMESPACE_VERSION
    1005             : } // namespace std
    1006             : 
    1007             : #endif // C++11
    1008             : 
    1009             : #undef _GLIBCXX_ASAN_ANNOTATE_REINIT
    1010             : #undef _GLIBCXX_ASAN_ANNOTATE_GROW
    1011             : #undef _GLIBCXX_ASAN_ANNOTATE_GREW
    1012             : #undef _GLIBCXX_ASAN_ANNOTATE_SHRINK
    1013             : 
    1014             : #endif /* _VECTOR_TCC */

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