-// bit_vector and vector<bool> specialization -*- C++ -*-
+// vector<bool> specialization -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2001-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
/*
*
* purpose. It is provided "as is" without express or implied warranty.
*/
-/** @file stl_bvector.h
+/** @file bits/stl_bvector.h
* This is an internal header file, included by other library headers.
- * You should not attempt to use it directly.
+ * Do not attempt to use it directly. @headername{vector}
*/
-#ifndef _BVECTOR_H
-#define _BVECTOR_H 1
+#ifndef _STL_BVECTOR_H
+#define _STL_BVECTOR_H 1
-namespace __gnu_norm
-{
- typedef unsigned long _Bit_type;
- enum { _S_word_bit = int(CHAR_BIT * sizeof(_Bit_type)) };
+#if __cplusplus >= 201103L
+#include <initializer_list>
+#endif
-struct _Bit_reference {
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
- _Bit_type * _M_p;
- _Bit_type _M_mask;
- _Bit_reference(_Bit_type * __x, _Bit_type __y)
- : _M_p(__x), _M_mask(__y) {}
+ typedef unsigned long _Bit_type;
+ enum { _S_word_bit = int(__CHAR_BIT__ * sizeof(_Bit_type)) };
-public:
- _Bit_reference() : _M_p(0), _M_mask(0) {}
- operator bool() const { return !!(*_M_p & _M_mask); }
- _Bit_reference& operator=(bool __x)
+ struct _Bit_reference
{
- if (__x) *_M_p |= _M_mask;
- else *_M_p &= ~_M_mask;
- return *this;
- }
- _Bit_reference& operator=(const _Bit_reference& __x)
+ _Bit_type * _M_p;
+ _Bit_type _M_mask;
+
+ _Bit_reference(_Bit_type * __x, _Bit_type __y)
+ : _M_p(__x), _M_mask(__y) { }
+
+ _Bit_reference() _GLIBCXX_NOEXCEPT : _M_p(0), _M_mask(0) { }
+
+ operator bool() const _GLIBCXX_NOEXCEPT
+ { return !!(*_M_p & _M_mask); }
+
+ _Bit_reference&
+ operator=(bool __x) _GLIBCXX_NOEXCEPT
+ {
+ if (__x)
+ *_M_p |= _M_mask;
+ else
+ *_M_p &= ~_M_mask;
+ return *this;
+ }
+
+ _Bit_reference&
+ operator=(const _Bit_reference& __x) _GLIBCXX_NOEXCEPT
{ return *this = bool(__x); }
- bool operator==(const _Bit_reference& __x) const
+
+ bool
+ operator==(const _Bit_reference& __x) const
{ return bool(*this) == bool(__x); }
- bool operator<(const _Bit_reference& __x) const
- { return !bool(*this) && bool(__x); }
- void flip() { *_M_p ^= _M_mask; }
-};
-struct _Bit_iterator_base : public iterator<random_access_iterator_tag, bool>
-{
- _Bit_type * _M_p;
- unsigned int _M_offset;
+ bool
+ operator<(const _Bit_reference& __x) const
+ { return !bool(*this) && bool(__x); }
- _Bit_iterator_base(_Bit_type * __x, unsigned int __y)
- : _M_p(__x), _M_offset(__y) {}
+ void
+ flip() _GLIBCXX_NOEXCEPT
+ { *_M_p ^= _M_mask; }
+ };
- void _M_bump_up() {
- if (_M_offset++ == _S_word_bit - 1) {
- _M_offset = 0;
- ++_M_p;
- }
- }
- void _M_bump_down() {
- if (_M_offset-- == 0) {
- _M_offset = _S_word_bit - 1;
- --_M_p;
- }
+#if __cplusplus >= 201103L
+ inline void
+ swap(_Bit_reference __x, _Bit_reference __y) noexcept
+ {
+ bool __tmp = __x;
+ __x = __y;
+ __y = __tmp;
}
- void _M_incr(ptrdiff_t __i) {
- difference_type __n = __i + _M_offset;
- _M_p += __n / _S_word_bit;
- __n = __n % _S_word_bit;
- if (__n < 0) {
- _M_offset = (unsigned int) __n + _S_word_bit;
- --_M_p;
- } else
- _M_offset = (unsigned int) __n;
+ inline void
+ swap(_Bit_reference __x, bool& __y) noexcept
+ {
+ bool __tmp = __x;
+ __x = __y;
+ __y = __tmp;
}
- bool operator==(const _Bit_iterator_base& __i) const {
- return _M_p == __i._M_p && _M_offset == __i._M_offset;
- }
- bool operator<(const _Bit_iterator_base& __i) const {
- return _M_p < __i._M_p || (_M_p == __i._M_p && _M_offset < __i._M_offset);
- }
- bool operator!=(const _Bit_iterator_base& __i) const {
- return !(*this == __i);
- }
- bool operator>(const _Bit_iterator_base& __i) const {
- return __i < *this;
- }
- bool operator<=(const _Bit_iterator_base& __i) const {
- return !(__i < *this);
- }
- bool operator>=(const _Bit_iterator_base& __i) const {
- return !(*this < __i);
+ inline void
+ swap(bool& __x, _Bit_reference __y) noexcept
+ {
+ bool __tmp = __x;
+ __x = __y;
+ __y = __tmp;
}
-};
+#endif
-inline ptrdiff_t
-operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y) {
- return _S_word_bit * (__x._M_p - __y._M_p) + __x._M_offset - __y._M_offset;
-}
+ struct _Bit_iterator_base
+ : public std::iterator<std::random_access_iterator_tag, bool>
+ {
+ _Bit_type * _M_p;
+ unsigned int _M_offset;
+ _Bit_iterator_base(_Bit_type * __x, unsigned int __y)
+ : _M_p(__x), _M_offset(__y) { }
-struct _Bit_iterator : public _Bit_iterator_base
-{
- typedef _Bit_reference reference;
- typedef _Bit_reference* pointer;
- typedef _Bit_iterator iterator;
-
- _Bit_iterator() : _Bit_iterator_base(0, 0) {}
- _Bit_iterator(_Bit_type * __x, unsigned int __y)
- : _Bit_iterator_base(__x, __y) {}
-
- reference operator*() const { return reference(_M_p, 1UL << _M_offset); }
- iterator& operator++() {
- _M_bump_up();
- return *this;
- }
- iterator operator++(int) {
- iterator __tmp = *this;
- _M_bump_up();
- return __tmp;
- }
- iterator& operator--() {
- _M_bump_down();
- return *this;
- }
- iterator operator--(int) {
- iterator __tmp = *this;
- _M_bump_down();
- return __tmp;
- }
- iterator& operator+=(difference_type __i) {
- _M_incr(__i);
- return *this;
- }
- iterator& operator-=(difference_type __i) {
- *this += -__i;
- return *this;
- }
- iterator operator+(difference_type __i) const {
- iterator __tmp = *this;
- return __tmp += __i;
- }
- iterator operator-(difference_type __i) const {
- iterator __tmp = *this;
- return __tmp -= __i;
- }
+ void
+ _M_bump_up()
+ {
+ if (_M_offset++ == int(_S_word_bit) - 1)
+ {
+ _M_offset = 0;
+ ++_M_p;
+ }
+ }
- reference operator[](difference_type __i) { return *(*this + __i); }
-};
+ void
+ _M_bump_down()
+ {
+ if (_M_offset-- == 0)
+ {
+ _M_offset = int(_S_word_bit) - 1;
+ --_M_p;
+ }
+ }
-inline _Bit_iterator
-operator+(ptrdiff_t __n, const _Bit_iterator& __x) { return __x + __n; }
+ void
+ _M_incr(ptrdiff_t __i)
+ {
+ difference_type __n = __i + _M_offset;
+ _M_p += __n / int(_S_word_bit);
+ __n = __n % int(_S_word_bit);
+ if (__n < 0)
+ {
+ __n += int(_S_word_bit);
+ --_M_p;
+ }
+ _M_offset = static_cast<unsigned int>(__n);
+ }
+ bool
+ operator==(const _Bit_iterator_base& __i) const
+ { return _M_p == __i._M_p && _M_offset == __i._M_offset; }
-struct _Bit_const_iterator : public _Bit_iterator_base
-{
- typedef bool reference;
- typedef bool const_reference;
- typedef const bool* pointer;
- typedef _Bit_const_iterator const_iterator;
-
- _Bit_const_iterator() : _Bit_iterator_base(0, 0) {}
- _Bit_const_iterator(_Bit_type * __x, unsigned int __y)
- : _Bit_iterator_base(__x, __y) {}
- _Bit_const_iterator(const _Bit_iterator& __x)
- : _Bit_iterator_base(__x._M_p, __x._M_offset) {}
-
- const_reference operator*() const {
- return _Bit_reference(_M_p, 1UL << _M_offset);
- }
- const_iterator& operator++() {
- _M_bump_up();
- return *this;
- }
- const_iterator operator++(int) {
- const_iterator __tmp = *this;
- _M_bump_up();
- return __tmp;
- }
- const_iterator& operator--() {
- _M_bump_down();
- return *this;
- }
- const_iterator operator--(int) {
- const_iterator __tmp = *this;
- _M_bump_down();
- return __tmp;
- }
- const_iterator& operator+=(difference_type __i) {
- _M_incr(__i);
- return *this;
- }
- const_iterator& operator-=(difference_type __i) {
- *this += -__i;
- return *this;
- }
- const_iterator operator+(difference_type __i) const {
- const_iterator __tmp = *this;
- return __tmp += __i;
+ bool
+ operator<(const _Bit_iterator_base& __i) const
+ {
+ return _M_p < __i._M_p
+ || (_M_p == __i._M_p && _M_offset < __i._M_offset);
+ }
+
+ bool
+ operator!=(const _Bit_iterator_base& __i) const
+ { return !(*this == __i); }
+
+ bool
+ operator>(const _Bit_iterator_base& __i) const
+ { return __i < *this; }
+
+ bool
+ operator<=(const _Bit_iterator_base& __i) const
+ { return !(__i < *this); }
+
+ bool
+ operator>=(const _Bit_iterator_base& __i) const
+ { return !(*this < __i); }
+ };
+
+ inline ptrdiff_t
+ operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
+ {
+ return (int(_S_word_bit) * (__x._M_p - __y._M_p)
+ + __x._M_offset - __y._M_offset);
}
- const_iterator operator-(difference_type __i) const {
- const_iterator __tmp = *this;
- return __tmp -= __i;
+
+ struct _Bit_iterator : public _Bit_iterator_base
+ {
+ typedef _Bit_reference reference;
+ typedef _Bit_reference* pointer;
+ typedef _Bit_iterator iterator;
+
+ _Bit_iterator() : _Bit_iterator_base(0, 0) { }
+
+ _Bit_iterator(_Bit_type * __x, unsigned int __y)
+ : _Bit_iterator_base(__x, __y) { }
+
+ iterator
+ _M_const_cast() const
+ { return *this; }
+
+ reference
+ operator*() const
+ { return reference(_M_p, 1UL << _M_offset); }
+
+ iterator&
+ operator++()
+ {
+ _M_bump_up();
+ return *this;
+ }
+
+ iterator
+ operator++(int)
+ {
+ iterator __tmp = *this;
+ _M_bump_up();
+ return __tmp;
+ }
+
+ iterator&
+ operator--()
+ {
+ _M_bump_down();
+ return *this;
+ }
+
+ iterator
+ operator--(int)
+ {
+ iterator __tmp = *this;
+ _M_bump_down();
+ return __tmp;
+ }
+
+ iterator&
+ operator+=(difference_type __i)
+ {
+ _M_incr(__i);
+ return *this;
+ }
+
+ iterator&
+ operator-=(difference_type __i)
+ {
+ *this += -__i;
+ return *this;
+ }
+
+ iterator
+ operator+(difference_type __i) const
+ {
+ iterator __tmp = *this;
+ return __tmp += __i;
+ }
+
+ iterator
+ operator-(difference_type __i) const
+ {
+ iterator __tmp = *this;
+ return __tmp -= __i;
+ }
+
+ reference
+ operator[](difference_type __i) const
+ { return *(*this + __i); }
+ };
+
+ inline _Bit_iterator
+ operator+(ptrdiff_t __n, const _Bit_iterator& __x)
+ { return __x + __n; }
+
+ struct _Bit_const_iterator : public _Bit_iterator_base
+ {
+ typedef bool reference;
+ typedef bool const_reference;
+ typedef const bool* pointer;
+ typedef _Bit_const_iterator const_iterator;
+
+ _Bit_const_iterator() : _Bit_iterator_base(0, 0) { }
+
+ _Bit_const_iterator(_Bit_type * __x, unsigned int __y)
+ : _Bit_iterator_base(__x, __y) { }
+
+ _Bit_const_iterator(const _Bit_iterator& __x)
+ : _Bit_iterator_base(__x._M_p, __x._M_offset) { }
+
+ _Bit_iterator
+ _M_const_cast() const
+ { return _Bit_iterator(_M_p, _M_offset); }
+
+ const_reference
+ operator*() const
+ { return _Bit_reference(_M_p, 1UL << _M_offset); }
+
+ const_iterator&
+ operator++()
+ {
+ _M_bump_up();
+ return *this;
+ }
+
+ const_iterator
+ operator++(int)
+ {
+ const_iterator __tmp = *this;
+ _M_bump_up();
+ return __tmp;
+ }
+
+ const_iterator&
+ operator--()
+ {
+ _M_bump_down();
+ return *this;
+ }
+
+ const_iterator
+ operator--(int)
+ {
+ const_iterator __tmp = *this;
+ _M_bump_down();
+ return __tmp;
+ }
+
+ const_iterator&
+ operator+=(difference_type __i)
+ {
+ _M_incr(__i);
+ return *this;
+ }
+
+ const_iterator&
+ operator-=(difference_type __i)
+ {
+ *this += -__i;
+ return *this;
+ }
+
+ const_iterator
+ operator+(difference_type __i) const
+ {
+ const_iterator __tmp = *this;
+ return __tmp += __i;
+ }
+
+ const_iterator
+ operator-(difference_type __i) const
+ {
+ const_iterator __tmp = *this;
+ return __tmp -= __i;
+ }
+
+ const_reference
+ operator[](difference_type __i) const
+ { return *(*this + __i); }
+ };
+
+ inline _Bit_const_iterator
+ operator+(ptrdiff_t __n, const _Bit_const_iterator& __x)
+ { return __x + __n; }
+
+ inline void
+ __fill_bvector(_Bit_iterator __first, _Bit_iterator __last, bool __x)
+ {
+ for (; __first != __last; ++__first)
+ *__first = __x;
}
- const_reference operator[](difference_type __i) {
- return *(*this + __i);
+
+ inline void
+ fill(_Bit_iterator __first, _Bit_iterator __last, const bool& __x)
+ {
+ if (__first._M_p != __last._M_p)
+ {
+ std::fill(__first._M_p + 1, __last._M_p, __x ? ~0 : 0);
+ __fill_bvector(__first, _Bit_iterator(__first._M_p + 1, 0), __x);
+ __fill_bvector(_Bit_iterator(__last._M_p, 0), __last, __x);
+ }
+ else
+ __fill_bvector(__first, __last, __x);
}
-};
-inline _Bit_const_iterator
-operator+(ptrdiff_t __n, const _Bit_const_iterator& __x) { return __x + __n; }
+ template<typename _Alloc>
+ struct _Bvector_base
+ {
+ typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template
+ rebind<_Bit_type>::other _Bit_alloc_type;
+ typedef typename __gnu_cxx::__alloc_traits<_Bit_alloc_type>
+ _Bit_alloc_traits;
+ typedef typename _Bit_alloc_traits::pointer _Bit_pointer;
+ struct _Bvector_impl
+ : public _Bit_alloc_type
+ {
+ _Bit_iterator _M_start;
+ _Bit_iterator _M_finish;
+ _Bit_pointer _M_end_of_storage;
-template <class _Alloc>
-class _Bvector_base
- : public _Alloc::template rebind<_Bit_type>::other
-{
- typedef typename _Alloc::template rebind<_Bit_type>::other _Bit_alloc_type;
-public:
- typedef _Alloc allocator_type;
- allocator_type get_allocator() const {
- return *static_cast<const _Bit_alloc_type*>(this);
- }
+ _Bvector_impl()
+ : _Bit_alloc_type(), _M_start(), _M_finish(), _M_end_of_storage()
+ { }
+
+ _Bvector_impl(const _Bit_alloc_type& __a)
+ : _Bit_alloc_type(__a), _M_start(), _M_finish(), _M_end_of_storage()
+ { }
- _Bvector_base(const allocator_type& __a)
- : _Bit_alloc_type(__a), _M_start(), _M_finish(), _M_end_of_storage(0) { }
- ~_Bvector_base() { this->_M_deallocate(); }
+#if __cplusplus >= 201103L
+ _Bvector_impl(_Bit_alloc_type&& __a)
+ : _Bit_alloc_type(std::move(__a)), _M_start(), _M_finish(),
+ _M_end_of_storage()
+ { }
+#endif
-protected:
- _Bit_type* _M_bit_alloc(size_t __n) {
- return _Bit_alloc_type::allocate((__n + _S_word_bit - 1)/_S_word_bit);
- }
- void _M_deallocate() {
- if (_M_start._M_p)
- _Bit_alloc_type::deallocate(_M_start._M_p, _M_end_of_storage - _M_start._M_p);
- }
+ _Bit_type*
+ _M_end_addr() const _GLIBCXX_NOEXCEPT
+ {
+ if (_M_end_of_storage)
+ return std::__addressof(_M_end_of_storage[-1]) + 1;
+ return 0;
+ }
+ };
+
+ public:
+ typedef _Alloc allocator_type;
+
+ _Bit_alloc_type&
+ _M_get_Bit_allocator() _GLIBCXX_NOEXCEPT
+ { return *static_cast<_Bit_alloc_type*>(&this->_M_impl); }
+
+ const _Bit_alloc_type&
+ _M_get_Bit_allocator() const _GLIBCXX_NOEXCEPT
+ { return *static_cast<const _Bit_alloc_type*>(&this->_M_impl); }
+
+ allocator_type
+ get_allocator() const _GLIBCXX_NOEXCEPT
+ { return allocator_type(_M_get_Bit_allocator()); }
+
+ _Bvector_base()
+ : _M_impl() { }
+
+ _Bvector_base(const allocator_type& __a)
+ : _M_impl(__a) { }
+
+#if __cplusplus >= 201103L
+ _Bvector_base(_Bvector_base&& __x) noexcept
+ : _M_impl(std::move(__x._M_get_Bit_allocator()))
+ {
+ this->_M_impl._M_start = __x._M_impl._M_start;
+ this->_M_impl._M_finish = __x._M_impl._M_finish;
+ this->_M_impl._M_end_of_storage = __x._M_impl._M_end_of_storage;
+ __x._M_impl._M_start = _Bit_iterator();
+ __x._M_impl._M_finish = _Bit_iterator();
+ __x._M_impl._M_end_of_storage = nullptr;
+ }
+#endif
+
+ ~_Bvector_base()
+ { this->_M_deallocate(); }
+
+ protected:
+ _Bvector_impl _M_impl;
+
+ _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);
+ }
+ }
- _Bit_iterator _M_start;
- _Bit_iterator _M_finish;
- _Bit_type * _M_end_of_storage;
-};
+ static size_t
+ _S_nword(size_t __n)
+ { return (__n + int(_S_word_bit) - 1) / int(_S_word_bit); }
+ };
-} // namespace __gnu_norm
+_GLIBCXX_END_NAMESPACE_CONTAINER
+} // namespace std
// Declare a partial specialization of vector<T, Alloc>.
#include <bits/stl_vector.h>
-namespace __gnu_norm
+
+namespace std _GLIBCXX_VISIBILITY(default)
{
+_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
/**
* @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.
*
- * @ingroup Containers
- * @ingroup Sequences
- *
- * 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.
+ * 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> : public _Bvector_base<_Alloc>
+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
+ template<typename> friend struct hash;
+#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 typename _Bvector_base<_Alloc>::allocator_type allocator_type;
- allocator_type get_allocator() const {
- return _Bvector_base<_Alloc>::get_allocator();
- }
-
- protected:
- using _Bvector_base<_Alloc>::_M_bit_alloc;
- using _Bvector_base<_Alloc>::_M_deallocate;
- using _Bvector_base<_Alloc>::_M_start;
- using _Bvector_base<_Alloc>::_M_finish;
- using _Bvector_base<_Alloc>::_M_end_of_storage;
-
+ 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:
- void _M_initialize(size_type __n) {
- _Bit_type * __q = this->_M_bit_alloc(__n);
- this->_M_end_of_storage = __q + (__n + _S_word_bit - 1)/_S_word_bit;
- this->_M_start = iterator(__q, 0);
- this->_M_finish = this->_M_start + difference_type(__n);
- }
- void _M_insert_aux(iterator __position, bool __x) {
- if (this->_M_finish._M_p != this->_M_end_of_storage) {
- std::copy_backward(__position, this->_M_finish, this->_M_finish + 1);
- *__position = __x;
- ++this->_M_finish;
- }
- else {
- size_type __len = size()
- ? 2 * size() : static_cast<size_type>(_S_word_bit);
- _Bit_type * __q = this->_M_bit_alloc(__len);
- iterator __i = std::copy(begin(), __position, iterator(__q, 0));
- *__i++ = __x;
- this->_M_finish = std::copy(__position, end(), __i);
- this->_M_deallocate();
- this->_M_end_of_storage = __q + (__len + _S_word_bit - 1)/_S_word_bit;
- this->_M_start = iterator(__q, 0);
- }
- }
-
- template <class _InputIterator>
- void _M_initialize_range(_InputIterator __first, _InputIterator __last,
- input_iterator_tag) {
- this->_M_start = iterator();
- this->_M_finish = iterator();
- this->_M_end_of_storage = 0;
- for ( ; __first != __last; ++__first)
- push_back(*__first);
- }
-
- template <class _ForwardIterator>
- void _M_initialize_range(_ForwardIterator __first, _ForwardIterator __last,
- forward_iterator_tag) {
- size_type __n = std::distance(__first, __last);
- _M_initialize(__n);
- std::copy(__first, __last, this->_M_start);
- }
-
- template <class _InputIterator>
- void _M_insert_range(iterator __pos,
- _InputIterator __first, _InputIterator __last,
- input_iterator_tag) {
- for ( ; __first != __last; ++__first) {
- __pos = insert(__pos, *__first);
- ++__pos;
- }
- }
-
- template <class _ForwardIterator>
- void _M_insert_range(iterator __position,
- _ForwardIterator __first, _ForwardIterator __last,
- forward_iterator_tag) {
- if (__first != __last) {
- size_type __n = std::distance(__first, __last);
- if (capacity() - size() >= __n) {
- std::copy_backward(__position, end(),
- this->_M_finish + difference_type(__n));
- std::copy(__first, __last, __position);
- this->_M_finish += difference_type(__n);
- }
- else {
- size_type __len = size() + std::max(size(), __n);
- _Bit_type * __q = this->_M_bit_alloc(__len);
- iterator __i = std::copy(begin(), __position, iterator(__q, 0));
- __i = std::copy(__first, __last, __i);
- this->_M_finish = std::copy(__position, end(), __i);
- this->_M_deallocate();
- this->_M_end_of_storage
- = __q + (__len + _S_word_bit - 1)/_S_word_bit;
- this->_M_start = iterator(__q, 0);
- }
- }
- }
-
+ using _Base::_M_allocate;
+ using _Base::_M_deallocate;
+ using _Base::_S_nword;
+ using _Base::_M_get_Bit_allocator;
+
public:
- iterator begin() { return this->_M_start; }
- const_iterator begin() const { return this->_M_start; }
- iterator end() { return this->_M_finish; }
- const_iterator end() const { return this->_M_finish; }
-
- reverse_iterator rbegin() { return reverse_iterator(end()); }
- const_reverse_iterator rbegin() const {
- return const_reverse_iterator(end());
- }
- reverse_iterator rend() { return reverse_iterator(begin()); }
- const_reverse_iterator rend() const {
- return const_reverse_iterator(begin());
- }
-
- size_type size() const { return size_type(end() - begin()); }
- size_type max_size() const { return size_type(-1); }
- size_type capacity() const {
- return size_type(const_iterator(this->_M_end_of_storage, 0) - begin());
- }
- bool empty() const { return begin() == end(); }
-
- reference operator[](size_type __n)
- { return *(begin() + difference_type(__n)); }
- const_reference operator[](size_type __n) const
- { return *(begin() + difference_type(__n)); }
-
- void _M_range_check(size_type __n) const {
- if (__n >= this->size())
- __throw_out_of_range(__N("vector<bool>::_M_range_check"));
- }
-
- 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]; }
-
- explicit vector(const allocator_type& __a = allocator_type())
- : _Bvector_base<_Alloc>(__a) {}
-
- vector(size_type __n, bool __value,
- const allocator_type& __a = allocator_type())
- : _Bvector_base<_Alloc>(__a)
+ vector()
+ : _Base() { }
+
+ 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())
+ : _Base(__a)
{
_M_initialize(__n);
- std::fill(this->_M_start._M_p, this->_M_end_of_storage, __value ? ~0 : 0);
+ std::fill(this->_M_impl._M_start._M_p, this->_M_impl._M_end_addr(),
+ __value ? ~0 : 0);
}
-
- explicit vector(size_type __n)
- : _Bvector_base<_Alloc>(allocator_type())
+#else
+ explicit
+ vector(size_type __n, const bool& __value = bool(),
+ const allocator_type& __a = allocator_type())
+ : _Base(__a)
{
_M_initialize(__n);
- std::fill(this->_M_start._M_p, this->_M_end_of_storage, 0);
+ std::fill(this->_M_impl._M_start._M_p, this->_M_impl._M_end_addr(),
+ __value ? ~0 : 0);
}
-
- vector(const vector& __x) : _Bvector_base<_Alloc>(__x.get_allocator()) {
+#endif
+
+ vector(const vector& __x)
+ : _Base(_Bit_alloc_traits::_S_select_on_copy(__x._M_get_Bit_allocator()))
+ {
_M_initialize(__x.size());
- std::copy(__x.begin(), __x.end(), this->_M_start);
+ _M_copy_aligned(__x.begin(), __x.end(), this->_M_impl._M_start);
}
-
- // Check whether it's an integral type. If so, it's not an iterator.
-
- template <class _Integer>
- void _M_initialize_dispatch(_Integer __n, _Integer __x, __true_type) {
- _M_initialize(__n);
- std::fill(this->_M_start._M_p, this->_M_end_of_storage, __x ? ~0 : 0);
+
+#if __cplusplus >= 201103L
+ vector(vector&& __x) noexcept
+ : _Base(std::move(__x)) { }
+
+ vector(vector&& __x, const allocator_type& __a)
+ noexcept(_Bit_alloc_traits::_S_always_equal())
+ : _Base(__a)
+ {
+ if (__x.get_allocator() == __a)
+ {
+ this->_M_impl._M_start = __x._M_impl._M_start;
+ this->_M_impl._M_finish = __x._M_impl._M_finish;
+ this->_M_impl._M_end_of_storage = __x._M_impl._M_end_of_storage;
+ __x._M_impl._M_start = _Bit_iterator();
+ __x._M_impl._M_finish = _Bit_iterator();
+ __x._M_impl._M_end_of_storage = nullptr;
+ }
+ else
+ {
+ _M_initialize(__x.size());
+ _M_copy_aligned(__x.begin(), __x.end(), begin());
+ __x.clear();
+ }
}
-
- template <class _InputIterator>
- void _M_initialize_dispatch(_InputIterator __first, _InputIterator __last,
- __false_type) {
- _M_initialize_range(__first, __last, std::__iterator_category(__first));
+
+ vector(const vector& __x, const allocator_type& __a)
+ : _Base(__a)
+ {
+ _M_initialize(__x.size());
+ _M_copy_aligned(__x.begin(), __x.end(), this->_M_impl._M_start);
}
-
- template <class _InputIterator>
- vector(_InputIterator __first, _InputIterator __last,
- const allocator_type& __a = allocator_type())
- : _Bvector_base<_Alloc>(__a)
+
+ vector(initializer_list<bool> __l,
+ const allocator_type& __a = allocator_type())
+ : _Base(__a)
{
- typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
- _M_initialize_dispatch(__first, __last, _Integral());
+ _M_initialize_range(__l.begin(), __l.end(),
+ random_access_iterator_tag());
}
-
- ~vector() { }
-
- vector& operator=(const vector& __x) {
- if (&__x == this) return *this;
- if (__x.size() > capacity()) {
- this->_M_deallocate();
- _M_initialize(__x.size());
+#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_dispatch(__first, __last, __false_type()); }
+#else
+ template<typename _InputIterator>
+ vector(_InputIterator __first, _InputIterator __last,
+ const allocator_type& __a = allocator_type())
+ : _Base(__a)
+ {
+ typedef typename std::__is_integer<_InputIterator>::__type _Integral;
+ _M_initialize_dispatch(__first, __last, _Integral());
}
- std::copy(__x.begin(), __x.end(), begin());
- this->_M_finish = begin() + difference_type(__x.size());
+#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_impl._M_start = __x._M_impl._M_start;
+ this->_M_impl._M_finish = __x._M_impl._M_finish;
+ this->_M_impl._M_end_of_storage = __x._M_impl._M_end_of_storage;
+ __x._M_impl._M_start = _Bit_iterator();
+ __x._M_impl._M_finish = _Bit_iterator();
+ __x._M_impl._M_end_of_storage = nullptr;
+ 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 _M_fill_assign(size_t __n, bool __x) {
- if (__n > size()) {
- std::fill(this->_M_start._M_p, this->_M_end_of_storage, __x ? ~0 : 0);
- insert(end(), __n - size(), __x);
- }
- else {
- erase(begin() + __n, end());
- std::fill(this->_M_start._M_p, this->_M_end_of_storage, __x ? ~0 : 0);
+ 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_dispatch(__first, __last, __false_type()); }
+#else
+ template<typename _InputIterator>
+ void
+ assign(_InputIterator __first, _InputIterator __last)
+ {
+ typedef typename std::__is_integer<_InputIterator>::__type _Integral;
+ _M_assign_dispatch(__first, __last, _Integral());
}
+#endif
+
+#if __cplusplus >= 201103L
+ void
+ assign(initializer_list<bool> __l)
+ { this->assign(__l.begin(), __l.end()); }
+#endif
+
+ iterator
+ begin() _GLIBCXX_NOEXCEPT
+ { return this->_M_impl._M_start; }
+
+ const_iterator
+ begin() const _GLIBCXX_NOEXCEPT
+ { return this->_M_impl._M_start; }
+
+ 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 this->_M_impl._M_start; }
+
+ 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);
}
-
- void assign(size_t __n, bool __x) { _M_fill_assign(__n, __x); }
-
- template <class _InputIterator>
- void assign(_InputIterator __first, _InputIterator __last) {
- typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
- _M_assign_dispatch(__first, __last, _Integral());
- }
-
- template <class _Integer>
- void _M_assign_dispatch(_Integer __n, _Integer __val, __true_type)
- { _M_fill_assign((size_t) __n, (bool) __val); }
-
- template <class _InputIterator>
- void _M_assign_dispatch(_InputIterator __first, _InputIterator __last, __false_type)
- { _M_assign_aux(__first, __last, std::__iterator_category(__first)); }
-
- template <class _InputIterator>
- void _M_assign_aux(_InputIterator __first, _InputIterator __last,
- input_iterator_tag) {
- iterator __cur = begin();
- for ( ; __first != __last && __cur != end(); ++__cur, ++__first)
- *__cur = *__first;
- if (__first == __last)
- erase(__cur, end());
- else
- insert(end(), __first, __last);
- }
-
- template <class _ForwardIterator>
- void _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
- forward_iterator_tag) {
- size_type __len = std::distance(__first, __last);
- if (__len < size())
- erase(std::copy(__first, __last, begin()), end());
- else {
- _ForwardIterator __mid = __first;
- std::advance(__mid, size());
- std::copy(__first, __mid, begin());
- insert(end(), __mid, __last);
- }
- }
-
- void reserve(size_type __n) {
- if (__n > this->max_size())
+
+ size_type
+ capacity() const _GLIBCXX_NOEXCEPT
+ { return size_type(const_iterator(this->_M_impl._M_end_addr(), 0)
+ - begin()); }
+
+ bool
+ empty() const _GLIBCXX_NOEXCEPT
+ { return begin() == end(); }
+
+ reference
+ operator[](size_type __n)
+ {
+ return *iterator(this->_M_impl._M_start._M_p
+ + __n / int(_S_word_bit), __n % int(_S_word_bit));
+ }
+
+ const_reference
+ operator[](size_type __n) const
+ {
+ return *const_iterator(this->_M_impl._M_start._M_p
+ + __n / int(_S_word_bit), __n % int(_S_word_bit));
+ }
+
+ 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 (this->capacity() < __n) {
- _Bit_type * __q = this->_M_bit_alloc(__n);
- this->_M_finish = std::copy(begin(), end(), iterator(__q, 0));
- this->_M_deallocate();
- this->_M_start = iterator(__q, 0);
- this->_M_end_of_storage = __q + (__n + _S_word_bit - 1)/_S_word_bit;
- }
+ 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); }
- void push_back(bool __x) {
- if (this->_M_finish._M_p != this->_M_end_of_storage)
- *this->_M_finish++ = __x;
+
+ 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<bool, _Alloc>& __x) {
- std::swap(this->_M_start, __x._M_start);
- std::swap(this->_M_finish, __x._M_finish);
- std::swap(this->_M_end_of_storage, __x._M_end_of_storage);
+
+ void
+ swap(vector& __x)
+#if __cplusplus >= 201103L
+ noexcept(_Bit_alloc_traits::_S_nothrow_swap())
+#endif
+ {
+ std::swap(this->_M_impl._M_start, __x._M_impl._M_start);
+ std::swap(this->_M_impl._M_finish, __x._M_impl._M_finish);
+ std::swap(this->_M_impl._M_end_of_storage,
+ __x._M_impl._M_end_of_storage);
+ _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) {
+ static void
+ swap(reference __x, reference __y) _GLIBCXX_NOEXCEPT
+ {
bool __tmp = __x;
__x = __y;
__y = __tmp;
}
- iterator insert(iterator __position, bool __x = bool()) {
- difference_type __n = __position - begin();
- if (this->_M_finish._M_p != this->_M_end_of_storage
+ 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_finish++ = __x;
+ *this->_M_impl._M_finish++ = __x;
else
- _M_insert_aux(__position, __x);
+ _M_insert_aux(__position._M_const_cast(), __x);
return begin() + __n;
}
-
- // Check whether it's an integral type. If so, it's not an iterator.
-
- template <class _Integer>
- void _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __x,
- __true_type) {
- _M_fill_insert(__pos, __n, __x);
- }
-
- template <class _InputIterator>
- void _M_insert_dispatch(iterator __pos,
- _InputIterator __first, _InputIterator __last,
- __false_type) {
- _M_insert_range(__pos, __first, __last, std::__iterator_category(__first));
- }
-
- template <class _InputIterator>
- void insert(iterator __position,
- _InputIterator __first, _InputIterator __last) {
- typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
- _M_insert_dispatch(__position, __first, __last, _Integral());
- }
-
- void _M_fill_insert(iterator __position, size_type __n, bool __x) {
- if (__n == 0) return;
- if (capacity() - size() >= __n) {
- std::copy_backward(__position, end(),
- this->_M_finish + difference_type(__n));
- std::fill(__position, __position + difference_type(__n), __x);
- this->_M_finish += difference_type(__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_dispatch(__position._M_const_cast(),
+ __first, __last, __false_type());
+ return begin() + __offset;
}
- else {
- size_type __len = size() + std::max(size(), __n);
- _Bit_type * __q = this->_M_bit_alloc(__len);
- iterator __i = std::copy(begin(), __position, iterator(__q, 0));
- std::fill_n(__i, __n, __x);
- this->_M_finish = std::copy(__position, end(), __i + difference_type(__n));
- this->_M_deallocate();
- this->_M_end_of_storage = __q + (__len + _S_word_bit - 1)/_S_word_bit;
- this->_M_start = iterator(__q, 0);
+#else
+ template<typename _InputIterator>
+ void
+ insert(iterator __position,
+ _InputIterator __first, _InputIterator __last)
+ {
+ 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;
}
-
- void insert(iterator __position, size_type __n, bool __x) {
- _M_fill_insert(__position, __n, __x);
- }
-
- void pop_back() { --this->_M_finish; }
- iterator erase(iterator __position) {
- if (__position + 1 != end())
- std::copy(__position + 1, end(), __position);
- --this->_M_finish;
- return __position;
- }
- iterator erase(iterator __first, iterator __last) {
- this->_M_finish = std::copy(__last, end(), __first);
- return __first;
- }
- void resize(size_type __new_size, bool __x = bool()) {
- if (__new_size < size())
- erase(begin() + difference_type(__new_size), end());
+#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);
}
- void flip() {
- for (_Bit_type * __p = this->_M_start._M_p;
- __p != this->_M_end_of_storage;
- ++__p)
+
+#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() { erase(begin(), end()); }
+
+ void
+ clear() _GLIBCXX_NOEXCEPT
+ { _M_erase_at_end(begin()); }
+
+#if __cplusplus >= 201103L
+ template<typename... _Args>
+ void
+ emplace_back(_Args&&... __args)
+ { push_back(bool(__args...)); }
+
+ 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)
+ {
+ _Bit_pointer __q = this->_M_allocate(__n);
+ this->_M_impl._M_end_of_storage = __q + _S_nword(__n);
+ this->_M_impl._M_start = iterator(std::__addressof(*__q), 0);
+ this->_M_impl._M_finish = this->_M_impl._M_start + difference_type(__n);
+ }
+
+ void
+ _M_reallocate(size_type __n);
+
+#if __cplusplus >= 201103L
+ bool
+ _M_shrink_to_fit();
+#endif
+
+ // Check whether it's an integral type. If so, it's not an iterator.
+
+ // _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));
+ std::fill(this->_M_impl._M_start._M_p,
+ this->_M_impl._M_end_addr(), __x ? ~0 : 0);
+ }
+
+ template<typename _InputIterator>
+ void
+ _M_initialize_dispatch(_InputIterator __first, _InputIterator __last,
+ __false_type)
+ { _M_initialize_range(__first, __last,
+ std::__iterator_category(__first)); }
+
+ 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, this->_M_impl._M_start);
+ }
+
+ // _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)); }
+
+ void
+ _M_fill_assign(size_t __n, bool __x)
+ {
+ if (__n > size())
+ {
+ std::fill(this->_M_impl._M_start._M_p,
+ this->_M_impl._M_end_addr(), __x ? ~0 : 0);
+ insert(end(), __n - size(), __x);
+ }
+ else
+ {
+ _M_erase_at_end(begin() + __n);
+ std::fill(this->_M_impl._M_start._M_p,
+ this->_M_impl._M_end_addr(), __x ? ~0 : 0);
+ }
+ }
+
+ template<typename _InputIterator>
+ void
+ _M_assign_aux(_InputIterator __first, _InputIterator __last,
+ std::input_iterator_tag)
+ {
+ iterator __cur = begin();
+ for (; __first != __last && __cur != end(); ++__cur, ++__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);
+ }
+ }
+
+ // Check whether it's an integral type. If so, it's not an iterator.
+
+ // _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)); }
+
+ 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);
};
- // This typedef is non-standard. It is provided for backward compatibility.
- typedef vector<bool, __alloc> bit_vector;
-} // namespace __gnu_norm
+_GLIBCXX_END_NAMESPACE_CONTAINER
+} // namespace std
+
+#if __cplusplus >= 201103L
+
+#include <bits/functional_hash.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ // 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;
+ };
+
+_GLIBCXX_END_NAMESPACE_VERSION
+}// namespace std
+
+#endif // C++11
-#endif /* _BVECTOR_H */
+#endif