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1383 lines
35 KiB
1383 lines
35 KiB
// vector<bool> specialization -*- C++ -*-
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// Copyright (C) 2001-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1996-1999
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*/
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/** @file bits/stl_bvector.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{vector}
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*/
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#ifndef _STL_BVECTOR_H
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#define _STL_BVECTOR_H 1
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#if __cplusplus >= 201103L
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#include <initializer_list>
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#include <bits/functional_hash.h>
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#endif
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
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typedef unsigned long _Bit_type;
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enum { _S_word_bit = int(__CHAR_BIT__ * sizeof(_Bit_type)) };
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struct _Bit_reference
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{
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_Bit_type * _M_p;
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_Bit_type _M_mask;
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_Bit_reference(_Bit_type * __x, _Bit_type __y)
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: _M_p(__x), _M_mask(__y) { }
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_Bit_reference() _GLIBCXX_NOEXCEPT : _M_p(0), _M_mask(0) { }
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#if __cplusplus >= 201103L
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_Bit_reference(const _Bit_reference&) = default;
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#endif
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operator bool() const _GLIBCXX_NOEXCEPT
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{ return !!(*_M_p & _M_mask); }
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_Bit_reference&
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operator=(bool __x) _GLIBCXX_NOEXCEPT
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{
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if (__x)
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*_M_p |= _M_mask;
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else
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*_M_p &= ~_M_mask;
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return *this;
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}
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_Bit_reference&
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operator=(const _Bit_reference& __x) _GLIBCXX_NOEXCEPT
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{ return *this = bool(__x); }
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bool
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operator==(const _Bit_reference& __x) const
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{ return bool(*this) == bool(__x); }
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bool
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operator<(const _Bit_reference& __x) const
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{ return !bool(*this) && bool(__x); }
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void
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flip() _GLIBCXX_NOEXCEPT
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{ *_M_p ^= _M_mask; }
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};
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#if __cplusplus >= 201103L
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inline void
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swap(_Bit_reference __x, _Bit_reference __y) noexcept
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{
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bool __tmp = __x;
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__x = __y;
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__y = __tmp;
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}
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inline void
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swap(_Bit_reference __x, bool& __y) noexcept
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{
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bool __tmp = __x;
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__x = __y;
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__y = __tmp;
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}
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inline void
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swap(bool& __x, _Bit_reference __y) noexcept
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{
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bool __tmp = __x;
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__x = __y;
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__y = __tmp;
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}
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#endif
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struct _Bit_iterator_base
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: public std::iterator<std::random_access_iterator_tag, bool>
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{
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_Bit_type * _M_p;
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unsigned int _M_offset;
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_Bit_iterator_base(_Bit_type * __x, unsigned int __y)
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: _M_p(__x), _M_offset(__y) { }
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void
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_M_bump_up()
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{
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if (_M_offset++ == int(_S_word_bit) - 1)
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{
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_M_offset = 0;
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++_M_p;
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}
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}
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void
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_M_bump_down()
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{
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if (_M_offset-- == 0)
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{
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_M_offset = int(_S_word_bit) - 1;
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--_M_p;
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}
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}
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void
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_M_incr(ptrdiff_t __i)
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{
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difference_type __n = __i + _M_offset;
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_M_p += __n / int(_S_word_bit);
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__n = __n % int(_S_word_bit);
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if (__n < 0)
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{
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__n += int(_S_word_bit);
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--_M_p;
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}
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_M_offset = static_cast<unsigned int>(__n);
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}
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friend _GLIBCXX20_CONSTEXPR bool
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operator==(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{ return __x._M_p == __y._M_p && __x._M_offset == __y._M_offset; }
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#if __cpp_lib_three_way_comparison
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friend constexpr strong_ordering
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operator<=>(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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noexcept
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{
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if (const auto __cmp = __x._M_p <=> __y._M_p; __cmp != 0)
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return __cmp;
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return __x._M_offset <=> __y._M_offset;
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}
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#else
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friend bool
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operator<(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{
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return __x._M_p < __y._M_p
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|| (__x._M_p == __y._M_p && __x._M_offset < __y._M_offset);
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}
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friend bool
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operator!=(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{ return !(__x == __y); }
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friend bool
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operator>(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{ return __y < __x; }
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friend bool
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operator<=(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{ return !(__y < __x); }
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friend bool
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operator>=(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{ return !(__x < __y); }
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#endif // three-way comparison
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friend ptrdiff_t
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operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
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{
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return (int(_S_word_bit) * (__x._M_p - __y._M_p)
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+ __x._M_offset - __y._M_offset);
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}
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};
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struct _Bit_iterator : public _Bit_iterator_base
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{
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typedef _Bit_reference reference;
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#if __cplusplus > 201703L
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typedef void pointer;
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#else
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typedef _Bit_reference* pointer;
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#endif
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typedef _Bit_iterator iterator;
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_Bit_iterator() : _Bit_iterator_base(0, 0) { }
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_Bit_iterator(_Bit_type * __x, unsigned int __y)
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: _Bit_iterator_base(__x, __y) { }
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iterator
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_M_const_cast() const
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{ return *this; }
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reference
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operator*() const
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{ return reference(_M_p, 1UL << _M_offset); }
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iterator&
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operator++()
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{
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_M_bump_up();
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return *this;
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}
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iterator
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operator++(int)
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{
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iterator __tmp = *this;
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_M_bump_up();
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return __tmp;
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}
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iterator&
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operator--()
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{
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_M_bump_down();
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return *this;
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}
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iterator
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operator--(int)
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{
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iterator __tmp = *this;
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_M_bump_down();
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return __tmp;
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}
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iterator&
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operator+=(difference_type __i)
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{
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_M_incr(__i);
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return *this;
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}
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iterator&
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operator-=(difference_type __i)
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{
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*this += -__i;
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return *this;
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}
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reference
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operator[](difference_type __i) const
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{ return *(*this + __i); }
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friend iterator
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operator+(const iterator& __x, difference_type __n)
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{
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iterator __tmp = __x;
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__tmp += __n;
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return __tmp;
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}
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friend iterator
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operator+(difference_type __n, const iterator& __x)
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{ return __x + __n; }
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friend iterator
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operator-(const iterator& __x, difference_type __n)
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{
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iterator __tmp = __x;
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__tmp -= __n;
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return __tmp;
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}
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};
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struct _Bit_const_iterator : public _Bit_iterator_base
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{
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typedef bool reference;
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typedef bool const_reference;
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#if __cplusplus > 201703L
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typedef void pointer;
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#else
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typedef const bool* pointer;
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#endif
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typedef _Bit_const_iterator const_iterator;
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_Bit_const_iterator() : _Bit_iterator_base(0, 0) { }
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_Bit_const_iterator(_Bit_type * __x, unsigned int __y)
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: _Bit_iterator_base(__x, __y) { }
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_Bit_const_iterator(const _Bit_iterator& __x)
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: _Bit_iterator_base(__x._M_p, __x._M_offset) { }
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_Bit_iterator
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_M_const_cast() const
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{ return _Bit_iterator(_M_p, _M_offset); }
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const_reference
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operator*() const
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{ return _Bit_reference(_M_p, 1UL << _M_offset); }
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const_iterator&
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operator++()
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{
|
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_M_bump_up();
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return *this;
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}
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|
|
const_iterator
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operator++(int)
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|
{
|
|
const_iterator __tmp = *this;
|
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_M_bump_up();
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return __tmp;
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}
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const_iterator&
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operator--()
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{
|
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_M_bump_down();
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return *this;
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}
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const_iterator
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operator--(int)
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{
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const_iterator __tmp = *this;
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_M_bump_down();
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return __tmp;
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}
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const_iterator&
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operator+=(difference_type __i)
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{
|
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_M_incr(__i);
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return *this;
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}
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const_iterator&
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operator-=(difference_type __i)
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{
|
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*this += -__i;
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return *this;
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}
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const_reference
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operator[](difference_type __i) const
|
|
{ return *(*this + __i); }
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|
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friend const_iterator
|
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operator+(const const_iterator& __x, difference_type __n)
|
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{
|
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const_iterator __tmp = __x;
|
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__tmp += __n;
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return __tmp;
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}
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|
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friend const_iterator
|
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operator-(const const_iterator& __x, difference_type __n)
|
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{
|
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const_iterator __tmp = __x;
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__tmp -= __n;
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return __tmp;
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}
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friend const_iterator
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operator+(difference_type __n, const const_iterator& __x)
|
|
{ return __x + __n; }
|
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};
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template<typename _Alloc>
|
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struct _Bvector_base
|
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{
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typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template
|
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rebind<_Bit_type>::other _Bit_alloc_type;
|
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typedef typename __gnu_cxx::__alloc_traits<_Bit_alloc_type>
|
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_Bit_alloc_traits;
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typedef typename _Bit_alloc_traits::pointer _Bit_pointer;
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struct _Bvector_impl_data
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{
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#if !_GLIBCXX_INLINE_VERSION
|
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_Bit_iterator _M_start;
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#else
|
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// We don't need the offset field for the start, it's always zero.
|
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struct {
|
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_Bit_type* _M_p;
|
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// Allow assignment from iterators (assume offset is zero):
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void operator=(_Bit_iterator __it) { _M_p = __it._M_p; }
|
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} _M_start;
|
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#endif
|
|
_Bit_iterator _M_finish;
|
|
_Bit_pointer _M_end_of_storage;
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|
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_Bvector_impl_data() _GLIBCXX_NOEXCEPT
|
|
: _M_start(), _M_finish(), _M_end_of_storage()
|
|
{ }
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|
|
#if __cplusplus >= 201103L
|
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_Bvector_impl_data(const _Bvector_impl_data&) = default;
|
|
_Bvector_impl_data&
|
|
operator=(const _Bvector_impl_data&) = default;
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|
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_Bvector_impl_data(_Bvector_impl_data&& __x) noexcept
|
|
: _Bvector_impl_data(__x)
|
|
{ __x._M_reset(); }
|
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|
|
void
|
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_M_move_data(_Bvector_impl_data&& __x) noexcept
|
|
{
|
|
*this = __x;
|
|
__x._M_reset();
|
|
}
|
|
#endif
|
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|
|
void
|
|
_M_reset() _GLIBCXX_NOEXCEPT
|
|
{ *this = _Bvector_impl_data(); }
|
|
|
|
void
|
|
_M_swap_data(_Bvector_impl_data& __x) _GLIBCXX_NOEXCEPT
|
|
{
|
|
// Do not use std::swap(_M_start, __x._M_start), etc as it loses
|
|
// information used by TBAA.
|
|
std::swap(*this, __x);
|
|
}
|
|
};
|
|
|
|
struct _Bvector_impl
|
|
: public _Bit_alloc_type, public _Bvector_impl_data
|
|
{
|
|
_Bvector_impl() _GLIBCXX_NOEXCEPT_IF(
|
|
is_nothrow_default_constructible<_Bit_alloc_type>::value)
|
|
: _Bit_alloc_type()
|
|
{ }
|
|
|
|
_Bvector_impl(const _Bit_alloc_type& __a) _GLIBCXX_NOEXCEPT
|
|
: _Bit_alloc_type(__a)
|
|
{ }
|
|
|
|
#if __cplusplus >= 201103L
|
|
// Not defaulted, to enforce noexcept(true) even when
|
|
// !is_nothrow_move_constructible<_Bit_alloc_type>.
|
|
_Bvector_impl(_Bvector_impl&& __x) noexcept
|
|
: _Bit_alloc_type(std::move(__x)), _Bvector_impl_data(std::move(__x))
|
|
{ }
|
|
|
|
_Bvector_impl(_Bit_alloc_type&& __a, _Bvector_impl&& __x) noexcept
|
|
: _Bit_alloc_type(std::move(__a)), _Bvector_impl_data(std::move(__x))
|
|
{ }
|
|
#endif
|
|
|
|
_Bit_type*
|
|
_M_end_addr() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
if (this->_M_end_of_storage)
|
|
return std::__addressof(this->_M_end_of_storage[-1]) + 1;
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
public:
|
|
typedef _Alloc allocator_type;
|
|
|
|
_Bit_alloc_type&
|
|
_M_get_Bit_allocator() _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl; }
|
|
|
|
const _Bit_alloc_type&
|
|
_M_get_Bit_allocator() const _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl; }
|
|
|
|
allocator_type
|
|
get_allocator() const _GLIBCXX_NOEXCEPT
|
|
{ return allocator_type(_M_get_Bit_allocator()); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
_Bvector_base() = default;
|
|
#else
|
|
_Bvector_base() { }
|
|
#endif
|
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|
|
_Bvector_base(const allocator_type& __a)
|
|
: _M_impl(__a) { }
|
|
|
|
#if __cplusplus >= 201103L
|
|
_Bvector_base(_Bvector_base&&) = default;
|
|
|
|
_Bvector_base(_Bvector_base&& __x, const allocator_type& __a) noexcept
|
|
: _M_impl(_Bit_alloc_type(__a), std::move(__x._M_impl))
|
|
{ }
|
|
#endif
|
|
|
|
~_Bvector_base()
|
|
{ this->_M_deallocate(); }
|
|
|
|
protected:
|
|
_Bvector_impl _M_impl;
|
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|
|
_Bit_pointer
|
|
_M_allocate(size_t __n)
|
|
{ return _Bit_alloc_traits::allocate(_M_impl, _S_nword(__n)); }
|
|
|
|
void
|
|
_M_deallocate()
|
|
{
|
|
if (_M_impl._M_start._M_p)
|
|
{
|
|
const size_t __n = _M_impl._M_end_addr() - _M_impl._M_start._M_p;
|
|
_Bit_alloc_traits::deallocate(_M_impl,
|
|
_M_impl._M_end_of_storage - __n,
|
|
__n);
|
|
_M_impl._M_reset();
|
|
}
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
void
|
|
_M_move_data(_Bvector_base&& __x) noexcept
|
|
{ _M_impl._M_move_data(std::move(__x._M_impl)); }
|
|
#endif
|
|
|
|
static size_t
|
|
_S_nword(size_t __n)
|
|
{ return (__n + int(_S_word_bit) - 1) / int(_S_word_bit); }
|
|
};
|
|
|
|
/**
|
|
* @brief A specialization of vector for booleans which offers fixed time
|
|
* access to individual elements in any order.
|
|
*
|
|
* @ingroup sequences
|
|
*
|
|
* @tparam _Alloc Allocator type.
|
|
*
|
|
* Note that vector<bool> does not actually meet the requirements for being
|
|
* a container. This is because the reference and pointer types are not
|
|
* really references and pointers to bool. See DR96 for details. @see
|
|
* vector for function documentation.
|
|
*
|
|
* In some terminology a %vector can be described as a dynamic
|
|
* C-style array, it offers fast and efficient access to individual
|
|
* elements in any order and saves the user from worrying about
|
|
* memory and size allocation. Subscripting ( @c [] ) access is
|
|
* also provided as with C-style arrays.
|
|
*/
|
|
template<typename _Alloc>
|
|
class vector<bool, _Alloc> : protected _Bvector_base<_Alloc>
|
|
{
|
|
typedef _Bvector_base<_Alloc> _Base;
|
|
typedef typename _Base::_Bit_pointer _Bit_pointer;
|
|
typedef typename _Base::_Bit_alloc_traits _Bit_alloc_traits;
|
|
|
|
#if __cplusplus >= 201103L
|
|
friend struct std::hash<vector>;
|
|
#endif
|
|
|
|
public:
|
|
typedef bool value_type;
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef _Bit_reference reference;
|
|
typedef bool const_reference;
|
|
typedef _Bit_reference* pointer;
|
|
typedef const bool* const_pointer;
|
|
typedef _Bit_iterator iterator;
|
|
typedef _Bit_const_iterator const_iterator;
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
typedef _Alloc allocator_type;
|
|
|
|
allocator_type
|
|
get_allocator() const
|
|
{ return _Base::get_allocator(); }
|
|
|
|
protected:
|
|
using _Base::_M_allocate;
|
|
using _Base::_M_deallocate;
|
|
using _Base::_S_nword;
|
|
using _Base::_M_get_Bit_allocator;
|
|
|
|
public:
|
|
#if __cplusplus >= 201103L
|
|
vector() = default;
|
|
#else
|
|
vector() { }
|
|
#endif
|
|
|
|
explicit
|
|
vector(const allocator_type& __a)
|
|
: _Base(__a) { }
|
|
|
|
#if __cplusplus >= 201103L
|
|
explicit
|
|
vector(size_type __n, const allocator_type& __a = allocator_type())
|
|
: vector(__n, false, __a)
|
|
{ }
|
|
|
|
vector(size_type __n, const bool& __value,
|
|
const allocator_type& __a = allocator_type())
|
|
#else
|
|
explicit
|
|
vector(size_type __n, const bool& __value = bool(),
|
|
const allocator_type& __a = allocator_type())
|
|
#endif
|
|
: _Base(__a)
|
|
{
|
|
_M_initialize(__n);
|
|
_M_initialize_value(__value);
|
|
}
|
|
|
|
vector(const vector& __x)
|
|
: _Base(_Bit_alloc_traits::_S_select_on_copy(__x._M_get_Bit_allocator()))
|
|
{
|
|
_M_initialize(__x.size());
|
|
_M_copy_aligned(__x.begin(), __x.end(), begin());
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
vector(vector&&) = default;
|
|
|
|
private:
|
|
vector(vector&& __x, const allocator_type& __a, true_type) noexcept
|
|
: _Base(std::move(__x), __a)
|
|
{ }
|
|
|
|
vector(vector&& __x, const allocator_type& __a, false_type)
|
|
: _Base(__a)
|
|
{
|
|
if (__x.get_allocator() == __a)
|
|
this->_M_move_data(std::move(__x));
|
|
else
|
|
{
|
|
_M_initialize(__x.size());
|
|
_M_copy_aligned(__x.begin(), __x.end(), begin());
|
|
__x.clear();
|
|
}
|
|
}
|
|
|
|
public:
|
|
vector(vector&& __x, const allocator_type& __a)
|
|
noexcept(_Bit_alloc_traits::_S_always_equal())
|
|
: vector(std::move(__x), __a,
|
|
typename _Bit_alloc_traits::is_always_equal{})
|
|
{ }
|
|
|
|
vector(const vector& __x, const allocator_type& __a)
|
|
: _Base(__a)
|
|
{
|
|
_M_initialize(__x.size());
|
|
_M_copy_aligned(__x.begin(), __x.end(), begin());
|
|
}
|
|
|
|
vector(initializer_list<bool> __l,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__a)
|
|
{
|
|
_M_initialize_range(__l.begin(), __l.end(),
|
|
random_access_iterator_tag());
|
|
}
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _InputIterator,
|
|
typename = std::_RequireInputIter<_InputIterator>>
|
|
vector(_InputIterator __first, _InputIterator __last,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__a)
|
|
{
|
|
_M_initialize_range(__first, __last,
|
|
std::__iterator_category(__first));
|
|
}
|
|
#else
|
|
template<typename _InputIterator>
|
|
vector(_InputIterator __first, _InputIterator __last,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__a)
|
|
{
|
|
// Check whether it's an integral type. If so, it's not an iterator.
|
|
typedef typename std::__is_integer<_InputIterator>::__type _Integral;
|
|
_M_initialize_dispatch(__first, __last, _Integral());
|
|
}
|
|
#endif
|
|
|
|
~vector() _GLIBCXX_NOEXCEPT { }
|
|
|
|
vector&
|
|
operator=(const vector& __x)
|
|
{
|
|
if (&__x == this)
|
|
return *this;
|
|
#if __cplusplus >= 201103L
|
|
if (_Bit_alloc_traits::_S_propagate_on_copy_assign())
|
|
{
|
|
if (this->_M_get_Bit_allocator() != __x._M_get_Bit_allocator())
|
|
{
|
|
this->_M_deallocate();
|
|
std::__alloc_on_copy(_M_get_Bit_allocator(),
|
|
__x._M_get_Bit_allocator());
|
|
_M_initialize(__x.size());
|
|
}
|
|
else
|
|
std::__alloc_on_copy(_M_get_Bit_allocator(),
|
|
__x._M_get_Bit_allocator());
|
|
}
|
|
#endif
|
|
if (__x.size() > capacity())
|
|
{
|
|
this->_M_deallocate();
|
|
_M_initialize(__x.size());
|
|
}
|
|
this->_M_impl._M_finish = _M_copy_aligned(__x.begin(), __x.end(),
|
|
begin());
|
|
return *this;
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
vector&
|
|
operator=(vector&& __x) noexcept(_Bit_alloc_traits::_S_nothrow_move())
|
|
{
|
|
if (_Bit_alloc_traits::_S_propagate_on_move_assign()
|
|
|| this->_M_get_Bit_allocator() == __x._M_get_Bit_allocator())
|
|
{
|
|
this->_M_deallocate();
|
|
this->_M_move_data(std::move(__x));
|
|
std::__alloc_on_move(_M_get_Bit_allocator(),
|
|
__x._M_get_Bit_allocator());
|
|
}
|
|
else
|
|
{
|
|
if (__x.size() > capacity())
|
|
{
|
|
this->_M_deallocate();
|
|
_M_initialize(__x.size());
|
|
}
|
|
this->_M_impl._M_finish = _M_copy_aligned(__x.begin(), __x.end(),
|
|
begin());
|
|
__x.clear();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
vector&
|
|
operator=(initializer_list<bool> __l)
|
|
{
|
|
this->assign(__l.begin(), __l.end());
|
|
return *this;
|
|
}
|
|
#endif
|
|
|
|
// assign(), a generalized assignment member function. Two
|
|
// versions: one that takes a count, and one that takes a range.
|
|
// The range version is a member template, so we dispatch on whether
|
|
// or not the type is an integer.
|
|
void
|
|
assign(size_type __n, const bool& __x)
|
|
{ _M_fill_assign(__n, __x); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _InputIterator,
|
|
typename = std::_RequireInputIter<_InputIterator>>
|
|
void
|
|
assign(_InputIterator __first, _InputIterator __last)
|
|
{ _M_assign_aux(__first, __last, std::__iterator_category(__first)); }
|
|
#else
|
|
template<typename _InputIterator>
|
|
void
|
|
assign(_InputIterator __first, _InputIterator __last)
|
|
{
|
|
// Check whether it's an integral type. If so, it's not an iterator.
|
|
typedef typename std::__is_integer<_InputIterator>::__type _Integral;
|
|
_M_assign_dispatch(__first, __last, _Integral());
|
|
}
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
void
|
|
assign(initializer_list<bool> __l)
|
|
{ _M_assign_aux(__l.begin(), __l.end(), random_access_iterator_tag()); }
|
|
#endif
|
|
|
|
iterator
|
|
begin() _GLIBCXX_NOEXCEPT
|
|
{ return iterator(this->_M_impl._M_start._M_p, 0); }
|
|
|
|
const_iterator
|
|
begin() const _GLIBCXX_NOEXCEPT
|
|
{ return const_iterator(this->_M_impl._M_start._M_p, 0); }
|
|
|
|
iterator
|
|
end() _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_finish; }
|
|
|
|
const_iterator
|
|
end() const _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_finish; }
|
|
|
|
reverse_iterator
|
|
rbegin() _GLIBCXX_NOEXCEPT
|
|
{ return reverse_iterator(end()); }
|
|
|
|
const_reverse_iterator
|
|
rbegin() const _GLIBCXX_NOEXCEPT
|
|
{ return const_reverse_iterator(end()); }
|
|
|
|
reverse_iterator
|
|
rend() _GLIBCXX_NOEXCEPT
|
|
{ return reverse_iterator(begin()); }
|
|
|
|
const_reverse_iterator
|
|
rend() const _GLIBCXX_NOEXCEPT
|
|
{ return const_reverse_iterator(begin()); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
const_iterator
|
|
cbegin() const noexcept
|
|
{ return const_iterator(this->_M_impl._M_start._M_p, 0); }
|
|
|
|
const_iterator
|
|
cend() const noexcept
|
|
{ return this->_M_impl._M_finish; }
|
|
|
|
const_reverse_iterator
|
|
crbegin() const noexcept
|
|
{ return const_reverse_iterator(end()); }
|
|
|
|
const_reverse_iterator
|
|
crend() const noexcept
|
|
{ return const_reverse_iterator(begin()); }
|
|
#endif
|
|
|
|
size_type
|
|
size() const _GLIBCXX_NOEXCEPT
|
|
{ return size_type(end() - begin()); }
|
|
|
|
size_type
|
|
max_size() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
const size_type __isize =
|
|
__gnu_cxx::__numeric_traits<difference_type>::__max
|
|
- int(_S_word_bit) + 1;
|
|
const size_type __asize
|
|
= _Bit_alloc_traits::max_size(_M_get_Bit_allocator());
|
|
return (__asize <= __isize / int(_S_word_bit)
|
|
? __asize * int(_S_word_bit) : __isize);
|
|
}
|
|
|
|
size_type
|
|
capacity() const _GLIBCXX_NOEXCEPT
|
|
{ return size_type(const_iterator(this->_M_impl._M_end_addr(), 0)
|
|
- begin()); }
|
|
|
|
_GLIBCXX_NODISCARD bool
|
|
empty() const _GLIBCXX_NOEXCEPT
|
|
{ return begin() == end(); }
|
|
|
|
reference
|
|
operator[](size_type __n)
|
|
{ return begin()[__n]; }
|
|
|
|
const_reference
|
|
operator[](size_type __n) const
|
|
{ return begin()[__n]; }
|
|
|
|
protected:
|
|
void
|
|
_M_range_check(size_type __n) const
|
|
{
|
|
if (__n >= this->size())
|
|
__throw_out_of_range_fmt(__N("vector<bool>::_M_range_check: __n "
|
|
"(which is %zu) >= this->size() "
|
|
"(which is %zu)"),
|
|
__n, this->size());
|
|
}
|
|
|
|
public:
|
|
reference
|
|
at(size_type __n)
|
|
{ _M_range_check(__n); return (*this)[__n]; }
|
|
|
|
const_reference
|
|
at(size_type __n) const
|
|
{ _M_range_check(__n); return (*this)[__n]; }
|
|
|
|
void
|
|
reserve(size_type __n)
|
|
{
|
|
if (__n > max_size())
|
|
__throw_length_error(__N("vector::reserve"));
|
|
if (capacity() < __n)
|
|
_M_reallocate(__n);
|
|
}
|
|
|
|
reference
|
|
front()
|
|
{ return *begin(); }
|
|
|
|
const_reference
|
|
front() const
|
|
{ return *begin(); }
|
|
|
|
reference
|
|
back()
|
|
{ return *(end() - 1); }
|
|
|
|
const_reference
|
|
back() const
|
|
{ return *(end() - 1); }
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// DR 464. Suggestion for new member functions in standard containers.
|
|
// N.B. DR 464 says nothing about vector<bool> but we need something
|
|
// here due to the way we are implementing DR 464 in the debug-mode
|
|
// vector class.
|
|
void
|
|
data() _GLIBCXX_NOEXCEPT { }
|
|
|
|
void
|
|
push_back(bool __x)
|
|
{
|
|
if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_addr())
|
|
*this->_M_impl._M_finish++ = __x;
|
|
else
|
|
_M_insert_aux(end(), __x);
|
|
}
|
|
|
|
void
|
|
swap(vector& __x) _GLIBCXX_NOEXCEPT
|
|
{
|
|
#if __cplusplus >= 201103L
|
|
__glibcxx_assert(_Bit_alloc_traits::propagate_on_container_swap::value
|
|
|| _M_get_Bit_allocator() == __x._M_get_Bit_allocator());
|
|
#endif
|
|
this->_M_impl._M_swap_data(__x._M_impl);
|
|
_Bit_alloc_traits::_S_on_swap(_M_get_Bit_allocator(),
|
|
__x._M_get_Bit_allocator());
|
|
}
|
|
|
|
// [23.2.5]/1, third-to-last entry in synopsis listing
|
|
static void
|
|
swap(reference __x, reference __y) _GLIBCXX_NOEXCEPT
|
|
{
|
|
bool __tmp = __x;
|
|
__x = __y;
|
|
__y = __tmp;
|
|
}
|
|
|
|
iterator
|
|
#if __cplusplus >= 201103L
|
|
insert(const_iterator __position, const bool& __x = bool())
|
|
#else
|
|
insert(iterator __position, const bool& __x = bool())
|
|
#endif
|
|
{
|
|
const difference_type __n = __position - begin();
|
|
if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_addr()
|
|
&& __position == end())
|
|
*this->_M_impl._M_finish++ = __x;
|
|
else
|
|
_M_insert_aux(__position._M_const_cast(), __x);
|
|
return begin() + __n;
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _InputIterator,
|
|
typename = std::_RequireInputIter<_InputIterator>>
|
|
iterator
|
|
insert(const_iterator __position,
|
|
_InputIterator __first, _InputIterator __last)
|
|
{
|
|
difference_type __offset = __position - cbegin();
|
|
_M_insert_range(__position._M_const_cast(),
|
|
__first, __last,
|
|
std::__iterator_category(__first));
|
|
return begin() + __offset;
|
|
}
|
|
#else
|
|
template<typename _InputIterator>
|
|
void
|
|
insert(iterator __position,
|
|
_InputIterator __first, _InputIterator __last)
|
|
{
|
|
// Check whether it's an integral type. If so, it's not an iterator.
|
|
typedef typename std::__is_integer<_InputIterator>::__type _Integral;
|
|
_M_insert_dispatch(__position, __first, __last, _Integral());
|
|
}
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
iterator
|
|
insert(const_iterator __position, size_type __n, const bool& __x)
|
|
{
|
|
difference_type __offset = __position - cbegin();
|
|
_M_fill_insert(__position._M_const_cast(), __n, __x);
|
|
return begin() + __offset;
|
|
}
|
|
#else
|
|
void
|
|
insert(iterator __position, size_type __n, const bool& __x)
|
|
{ _M_fill_insert(__position, __n, __x); }
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
iterator
|
|
insert(const_iterator __p, initializer_list<bool> __l)
|
|
{ return this->insert(__p, __l.begin(), __l.end()); }
|
|
#endif
|
|
|
|
void
|
|
pop_back()
|
|
{ --this->_M_impl._M_finish; }
|
|
|
|
iterator
|
|
#if __cplusplus >= 201103L
|
|
erase(const_iterator __position)
|
|
#else
|
|
erase(iterator __position)
|
|
#endif
|
|
{ return _M_erase(__position._M_const_cast()); }
|
|
|
|
iterator
|
|
#if __cplusplus >= 201103L
|
|
erase(const_iterator __first, const_iterator __last)
|
|
#else
|
|
erase(iterator __first, iterator __last)
|
|
#endif
|
|
{ return _M_erase(__first._M_const_cast(), __last._M_const_cast()); }
|
|
|
|
void
|
|
resize(size_type __new_size, bool __x = bool())
|
|
{
|
|
if (__new_size < size())
|
|
_M_erase_at_end(begin() + difference_type(__new_size));
|
|
else
|
|
insert(end(), __new_size - size(), __x);
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
void
|
|
shrink_to_fit()
|
|
{ _M_shrink_to_fit(); }
|
|
#endif
|
|
|
|
void
|
|
flip() _GLIBCXX_NOEXCEPT
|
|
{
|
|
_Bit_type * const __end = this->_M_impl._M_end_addr();
|
|
for (_Bit_type * __p = this->_M_impl._M_start._M_p; __p != __end; ++__p)
|
|
*__p = ~*__p;
|
|
}
|
|
|
|
void
|
|
clear() _GLIBCXX_NOEXCEPT
|
|
{ _M_erase_at_end(begin()); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename... _Args>
|
|
#if __cplusplus > 201402L
|
|
reference
|
|
#else
|
|
void
|
|
#endif
|
|
emplace_back(_Args&&... __args)
|
|
{
|
|
push_back(bool(__args...));
|
|
#if __cplusplus > 201402L
|
|
return back();
|
|
#endif
|
|
}
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace(const_iterator __pos, _Args&&... __args)
|
|
{ return insert(__pos, bool(__args...)); }
|
|
#endif
|
|
|
|
protected:
|
|
// Precondition: __first._M_offset == 0 && __result._M_offset == 0.
|
|
iterator
|
|
_M_copy_aligned(const_iterator __first, const_iterator __last,
|
|
iterator __result)
|
|
{
|
|
_Bit_type* __q = std::copy(__first._M_p, __last._M_p, __result._M_p);
|
|
return std::copy(const_iterator(__last._M_p, 0), __last,
|
|
iterator(__q, 0));
|
|
}
|
|
|
|
void
|
|
_M_initialize(size_type __n)
|
|
{
|
|
if (__n)
|
|
{
|
|
_Bit_pointer __q = this->_M_allocate(__n);
|
|
this->_M_impl._M_end_of_storage = __q + _S_nword(__n);
|
|
iterator __start = iterator(std::__addressof(*__q), 0);
|
|
this->_M_impl._M_start = __start;
|
|
this->_M_impl._M_finish = __start + difference_type(__n);
|
|
}
|
|
}
|
|
|
|
void
|
|
_M_initialize_value(bool __x)
|
|
{
|
|
if (_Bit_type* __p = this->_M_impl._M_start._M_p)
|
|
__builtin_memset(__p, __x ? ~0 : 0,
|
|
(this->_M_impl._M_end_addr() - __p)
|
|
* sizeof(_Bit_type));
|
|
}
|
|
|
|
void
|
|
_M_reallocate(size_type __n);
|
|
|
|
#if __cplusplus >= 201103L
|
|
bool
|
|
_M_shrink_to_fit();
|
|
#endif
|
|
|
|
#if __cplusplus < 201103L
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 438. Ambiguity in the "do the right thing" clause
|
|
template<typename _Integer>
|
|
void
|
|
_M_initialize_dispatch(_Integer __n, _Integer __x, __true_type)
|
|
{
|
|
_M_initialize(static_cast<size_type>(__n));
|
|
_M_initialize_value(__x);
|
|
}
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_initialize_dispatch(_InputIterator __first, _InputIterator __last,
|
|
__false_type)
|
|
{ _M_initialize_range(__first, __last,
|
|
std::__iterator_category(__first)); }
|
|
#endif
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_initialize_range(_InputIterator __first, _InputIterator __last,
|
|
std::input_iterator_tag)
|
|
{
|
|
for (; __first != __last; ++__first)
|
|
push_back(*__first);
|
|
}
|
|
|
|
template<typename _ForwardIterator>
|
|
void
|
|
_M_initialize_range(_ForwardIterator __first, _ForwardIterator __last,
|
|
std::forward_iterator_tag)
|
|
{
|
|
const size_type __n = std::distance(__first, __last);
|
|
_M_initialize(__n);
|
|
std::copy(__first, __last, begin());
|
|
}
|
|
|
|
#if __cplusplus < 201103L
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 438. Ambiguity in the "do the right thing" clause
|
|
template<typename _Integer>
|
|
void
|
|
_M_assign_dispatch(_Integer __n, _Integer __val, __true_type)
|
|
{ _M_fill_assign(__n, __val); }
|
|
|
|
template<class _InputIterator>
|
|
void
|
|
_M_assign_dispatch(_InputIterator __first, _InputIterator __last,
|
|
__false_type)
|
|
{ _M_assign_aux(__first, __last, std::__iterator_category(__first)); }
|
|
#endif
|
|
|
|
void
|
|
_M_fill_assign(size_t __n, bool __x)
|
|
{
|
|
if (__n > size())
|
|
{
|
|
_M_initialize_value(__x);
|
|
insert(end(), __n - size(), __x);
|
|
}
|
|
else
|
|
{
|
|
_M_erase_at_end(begin() + __n);
|
|
_M_initialize_value(__x);
|
|
}
|
|
}
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_assign_aux(_InputIterator __first, _InputIterator __last,
|
|
std::input_iterator_tag)
|
|
{
|
|
iterator __cur = begin();
|
|
for (; __first != __last && __cur != end(); ++__cur, (void)++__first)
|
|
*__cur = *__first;
|
|
if (__first == __last)
|
|
_M_erase_at_end(__cur);
|
|
else
|
|
insert(end(), __first, __last);
|
|
}
|
|
|
|
template<typename _ForwardIterator>
|
|
void
|
|
_M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
|
|
std::forward_iterator_tag)
|
|
{
|
|
const size_type __len = std::distance(__first, __last);
|
|
if (__len < size())
|
|
_M_erase_at_end(std::copy(__first, __last, begin()));
|
|
else
|
|
{
|
|
_ForwardIterator __mid = __first;
|
|
std::advance(__mid, size());
|
|
std::copy(__first, __mid, begin());
|
|
insert(end(), __mid, __last);
|
|
}
|
|
}
|
|
|
|
#if __cplusplus < 201103L
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 438. Ambiguity in the "do the right thing" clause
|
|
template<typename _Integer>
|
|
void
|
|
_M_insert_dispatch(iterator __pos, _Integer __n, _Integer __x,
|
|
__true_type)
|
|
{ _M_fill_insert(__pos, __n, __x); }
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_insert_dispatch(iterator __pos,
|
|
_InputIterator __first, _InputIterator __last,
|
|
__false_type)
|
|
{ _M_insert_range(__pos, __first, __last,
|
|
std::__iterator_category(__first)); }
|
|
#endif
|
|
|
|
void
|
|
_M_fill_insert(iterator __position, size_type __n, bool __x);
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_insert_range(iterator __pos, _InputIterator __first,
|
|
_InputIterator __last, std::input_iterator_tag)
|
|
{
|
|
for (; __first != __last; ++__first)
|
|
{
|
|
__pos = insert(__pos, *__first);
|
|
++__pos;
|
|
}
|
|
}
|
|
|
|
template<typename _ForwardIterator>
|
|
void
|
|
_M_insert_range(iterator __position, _ForwardIterator __first,
|
|
_ForwardIterator __last, std::forward_iterator_tag);
|
|
|
|
void
|
|
_M_insert_aux(iterator __position, bool __x);
|
|
|
|
size_type
|
|
_M_check_len(size_type __n, const char* __s) const
|
|
{
|
|
if (max_size() - size() < __n)
|
|
__throw_length_error(__N(__s));
|
|
|
|
const size_type __len = size() + std::max(size(), __n);
|
|
return (__len < size() || __len > max_size()) ? max_size() : __len;
|
|
}
|
|
|
|
void
|
|
_M_erase_at_end(iterator __pos)
|
|
{ this->_M_impl._M_finish = __pos; }
|
|
|
|
iterator
|
|
_M_erase(iterator __pos);
|
|
|
|
iterator
|
|
_M_erase(iterator __first, iterator __last);
|
|
};
|
|
|
|
_GLIBCXX_END_NAMESPACE_CONTAINER
|
|
|
|
inline void
|
|
__fill_bvector(_GLIBCXX_STD_C::_Bit_type * __v,
|
|
unsigned int __first, unsigned int __last, bool __x)
|
|
{
|
|
using _GLIBCXX_STD_C::_Bit_type;
|
|
using _GLIBCXX_STD_C::_S_word_bit;
|
|
const _Bit_type __fmask = ~0ul << __first;
|
|
const _Bit_type __lmask = ~0ul >> (_S_word_bit - __last);
|
|
const _Bit_type __mask = __fmask & __lmask;
|
|
|
|
if (__x)
|
|
*__v |= __mask;
|
|
else
|
|
*__v &= ~__mask;
|
|
}
|
|
|
|
inline void
|
|
__fill_a1(_GLIBCXX_STD_C::_Bit_iterator __first,
|
|
_GLIBCXX_STD_C::_Bit_iterator __last, const bool& __x)
|
|
{
|
|
using _GLIBCXX_STD_C::_Bit_type;
|
|
using _GLIBCXX_STD_C::_S_word_bit;
|
|
if (__first._M_p != __last._M_p)
|
|
{
|
|
_Bit_type* __first_p = __first._M_p;
|
|
if (__first._M_offset != 0)
|
|
__fill_bvector(__first_p++, __first._M_offset, _S_word_bit, __x);
|
|
|
|
__builtin_memset(__first_p, __x ? ~0 : 0,
|
|
(__last._M_p - __first_p) * sizeof(_Bit_type));
|
|
|
|
if (__last._M_offset != 0)
|
|
__fill_bvector(__last._M_p, 0, __last._M_offset, __x);
|
|
}
|
|
else if (__first._M_offset != __last._M_offset)
|
|
__fill_bvector(__first._M_p, __first._M_offset, __last._M_offset, __x);
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
// DR 1182.
|
|
/// std::hash specialization for vector<bool>.
|
|
template<typename _Alloc>
|
|
struct hash<_GLIBCXX_STD_C::vector<bool, _Alloc>>
|
|
: public __hash_base<size_t, _GLIBCXX_STD_C::vector<bool, _Alloc>>
|
|
{
|
|
size_t
|
|
operator()(const _GLIBCXX_STD_C::vector<bool, _Alloc>&) const noexcept;
|
|
};
|
|
#endif // C++11
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace std
|
|
|
|
#endif
|