1132720Skan// vector<bool> specialization -*- C++ -*- 297403Sobrien 3169691Skan// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 4169691Skan// Free Software Foundation, Inc. 597403Sobrien// 697403Sobrien// This file is part of the GNU ISO C++ Library. This library is free 797403Sobrien// software; you can redistribute it and/or modify it under the 897403Sobrien// terms of the GNU General Public License as published by the 997403Sobrien// Free Software Foundation; either version 2, or (at your option) 1097403Sobrien// any later version. 1197403Sobrien 1297403Sobrien// This library is distributed in the hope that it will be useful, 1397403Sobrien// but WITHOUT ANY WARRANTY; without even the implied warranty of 1497403Sobrien// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1597403Sobrien// GNU General Public License for more details. 1697403Sobrien 1797403Sobrien// You should have received a copy of the GNU General Public License along 1897403Sobrien// with this library; see the file COPYING. If not, write to the Free 19169691Skan// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 2097403Sobrien// USA. 2197403Sobrien 2297403Sobrien// As a special exception, you may use this file as part of a free software 2397403Sobrien// library without restriction. Specifically, if other files instantiate 2497403Sobrien// templates or use macros or inline functions from this file, or you compile 2597403Sobrien// this file and link it with other files to produce an executable, this 2697403Sobrien// file does not by itself cause the resulting executable to be covered by 2797403Sobrien// the GNU General Public License. This exception does not however 2897403Sobrien// invalidate any other reasons why the executable file might be covered by 2997403Sobrien// the GNU General Public License. 3097403Sobrien 3197403Sobrien/* 3297403Sobrien * 3397403Sobrien * Copyright (c) 1994 3497403Sobrien * Hewlett-Packard Company 3597403Sobrien * 3697403Sobrien * Permission to use, copy, modify, distribute and sell this software 3797403Sobrien * and its documentation for any purpose is hereby granted without fee, 3897403Sobrien * provided that the above copyright notice appear in all copies and 3997403Sobrien * that both that copyright notice and this permission notice appear 4097403Sobrien * in supporting documentation. Hewlett-Packard Company makes no 4197403Sobrien * representations about the suitability of this software for any 4297403Sobrien * purpose. It is provided "as is" without express or implied warranty. 4397403Sobrien * 4497403Sobrien * 4597403Sobrien * Copyright (c) 1996-1999 4697403Sobrien * Silicon Graphics Computer Systems, Inc. 4797403Sobrien * 4897403Sobrien * Permission to use, copy, modify, distribute and sell this software 4997403Sobrien * and its documentation for any purpose is hereby granted without fee, 5097403Sobrien * provided that the above copyright notice appear in all copies and 5197403Sobrien * that both that copyright notice and this permission notice appear 5297403Sobrien * in supporting documentation. Silicon Graphics makes no 5397403Sobrien * representations about the suitability of this software for any 5497403Sobrien * purpose. It is provided "as is" without express or implied warranty. 5597403Sobrien */ 5697403Sobrien 5797403Sobrien/** @file stl_bvector.h 5897403Sobrien * This is an internal header file, included by other library headers. 5997403Sobrien * You should not attempt to use it directly. 6097403Sobrien */ 6197403Sobrien 62132720Skan#ifndef _BVECTOR_H 63132720Skan#define _BVECTOR_H 1 6497403Sobrien 65169691Skan_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD) 66169691Skan 6797403Sobrien typedef unsigned long _Bit_type; 68132720Skan enum { _S_word_bit = int(CHAR_BIT * sizeof(_Bit_type)) }; 6997403Sobrien 70132720Skan struct _Bit_reference 71132720Skan { 72132720Skan _Bit_type * _M_p; 73132720Skan _Bit_type _M_mask; 7497403Sobrien 75132720Skan _Bit_reference(_Bit_type * __x, _Bit_type __y) 76132720Skan : _M_p(__x), _M_mask(__y) { } 7797403Sobrien 78132720Skan _Bit_reference() : _M_p(0), _M_mask(0) { } 79132720Skan 80169691Skan operator bool() const 81169691Skan { return !!(*_M_p & _M_mask); } 82132720Skan 83132720Skan _Bit_reference& 84132720Skan operator=(bool __x) 85132720Skan { 86132720Skan if (__x) 87132720Skan *_M_p |= _M_mask; 88132720Skan else 89132720Skan *_M_p &= ~_M_mask; 90132720Skan return *this; 91132720Skan } 92132720Skan 93132720Skan _Bit_reference& 94132720Skan operator=(const _Bit_reference& __x) 9597403Sobrien { return *this = bool(__x); } 96132720Skan 97132720Skan bool 98132720Skan operator==(const _Bit_reference& __x) const 9997403Sobrien { return bool(*this) == bool(__x); } 100132720Skan 101132720Skan bool 102132720Skan operator<(const _Bit_reference& __x) const 10397403Sobrien { return !bool(*this) && bool(__x); } 10497403Sobrien 105132720Skan void 106169691Skan flip() 107169691Skan { *_M_p ^= _M_mask; } 108132720Skan }; 10997403Sobrien 110169691Skan struct _Bit_iterator_base 111169691Skan : public std::iterator<std::random_access_iterator_tag, bool> 112132720Skan { 113132720Skan _Bit_type * _M_p; 114132720Skan unsigned int _M_offset; 11597403Sobrien 116132720Skan _Bit_iterator_base(_Bit_type * __x, unsigned int __y) 117132720Skan : _M_p(__x), _M_offset(__y) { } 118132720Skan 119132720Skan void 120132720Skan _M_bump_up() 121132720Skan { 122169691Skan if (_M_offset++ == int(_S_word_bit) - 1) 123132720Skan { 124132720Skan _M_offset = 0; 125132720Skan ++_M_p; 126132720Skan } 12797403Sobrien } 128132720Skan 129132720Skan void 130132720Skan _M_bump_down() 131132720Skan { 132132720Skan if (_M_offset-- == 0) 133132720Skan { 134169691Skan _M_offset = int(_S_word_bit) - 1; 135132720Skan --_M_p; 136132720Skan } 13797403Sobrien } 13897403Sobrien 139132720Skan void 140132720Skan _M_incr(ptrdiff_t __i) 141132720Skan { 142132720Skan difference_type __n = __i + _M_offset; 143169691Skan _M_p += __n / int(_S_word_bit); 144169691Skan __n = __n % int(_S_word_bit); 145132720Skan if (__n < 0) 146132720Skan { 147169691Skan __n += int(_S_word_bit); 148132720Skan --_M_p; 149132720Skan } 150169691Skan _M_offset = static_cast<unsigned int>(__n); 151132720Skan } 15297403Sobrien 153132720Skan bool 154132720Skan operator==(const _Bit_iterator_base& __i) const 155132720Skan { return _M_p == __i._M_p && _M_offset == __i._M_offset; } 15697403Sobrien 157132720Skan bool 158132720Skan operator<(const _Bit_iterator_base& __i) const 159132720Skan { 160132720Skan return _M_p < __i._M_p 161132720Skan || (_M_p == __i._M_p && _M_offset < __i._M_offset); 162132720Skan } 16397403Sobrien 164132720Skan bool 165132720Skan operator!=(const _Bit_iterator_base& __i) const 166132720Skan { return !(*this == __i); } 16797403Sobrien 168132720Skan bool 169132720Skan operator>(const _Bit_iterator_base& __i) const 170132720Skan { return __i < *this; } 17197403Sobrien 172132720Skan bool 173132720Skan operator<=(const _Bit_iterator_base& __i) const 174132720Skan { return !(__i < *this); } 17597403Sobrien 176132720Skan bool 177132720Skan operator>=(const _Bit_iterator_base& __i) const 178132720Skan { return !(*this < __i); } 179132720Skan }; 180132720Skan 181132720Skan inline ptrdiff_t 182132720Skan operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y) 183132720Skan { 184169691Skan return (int(_S_word_bit) * (__x._M_p - __y._M_p) 185169691Skan + __x._M_offset - __y._M_offset); 18697403Sobrien } 18797403Sobrien 188132720Skan struct _Bit_iterator : public _Bit_iterator_base 189132720Skan { 190132720Skan typedef _Bit_reference reference; 191132720Skan typedef _Bit_reference* pointer; 192132720Skan typedef _Bit_iterator iterator; 19397403Sobrien 194132720Skan _Bit_iterator() : _Bit_iterator_base(0, 0) { } 195169691Skan 196132720Skan _Bit_iterator(_Bit_type * __x, unsigned int __y) 197132720Skan : _Bit_iterator_base(__x, __y) { } 19897403Sobrien 199132720Skan reference 200169691Skan operator*() const 201169691Skan { return reference(_M_p, 1UL << _M_offset); } 20297403Sobrien 203132720Skan iterator& 204132720Skan operator++() 205132720Skan { 206132720Skan _M_bump_up(); 207132720Skan return *this; 208132720Skan } 20997403Sobrien 210132720Skan iterator 211132720Skan operator++(int) 212132720Skan { 213132720Skan iterator __tmp = *this; 214132720Skan _M_bump_up(); 215132720Skan return __tmp; 216132720Skan } 21797403Sobrien 218132720Skan iterator& 219132720Skan operator--() 220132720Skan { 221132720Skan _M_bump_down(); 222132720Skan return *this; 223132720Skan } 22497403Sobrien 225132720Skan iterator 226132720Skan operator--(int) 227132720Skan { 228132720Skan iterator __tmp = *this; 229132720Skan _M_bump_down(); 230132720Skan return __tmp; 231132720Skan } 23297403Sobrien 233132720Skan iterator& 234132720Skan operator+=(difference_type __i) 235132720Skan { 236132720Skan _M_incr(__i); 237132720Skan return *this; 238132720Skan } 23997403Sobrien 240132720Skan iterator& 241132720Skan operator-=(difference_type __i) 242132720Skan { 243132720Skan *this += -__i; 244132720Skan return *this; 245132720Skan } 24697403Sobrien 247132720Skan iterator 248132720Skan operator+(difference_type __i) const 249132720Skan { 250132720Skan iterator __tmp = *this; 251132720Skan return __tmp += __i; 252132720Skan } 25397403Sobrien 254132720Skan iterator 255132720Skan operator-(difference_type __i) const 256132720Skan { 257132720Skan iterator __tmp = *this; 258132720Skan return __tmp -= __i; 259132720Skan } 26097403Sobrien 261132720Skan reference 262169691Skan operator[](difference_type __i) const 263132720Skan { return *(*this + __i); } 264132720Skan }; 26597403Sobrien 266132720Skan inline _Bit_iterator 267169691Skan operator+(ptrdiff_t __n, const _Bit_iterator& __x) 268169691Skan { return __x + __n; } 26997403Sobrien 270132720Skan struct _Bit_const_iterator : public _Bit_iterator_base 271132720Skan { 272132720Skan typedef bool reference; 273132720Skan typedef bool const_reference; 274132720Skan typedef const bool* pointer; 275132720Skan typedef _Bit_const_iterator const_iterator; 27697403Sobrien 277132720Skan _Bit_const_iterator() : _Bit_iterator_base(0, 0) { } 278169691Skan 279132720Skan _Bit_const_iterator(_Bit_type * __x, unsigned int __y) 280132720Skan : _Bit_iterator_base(__x, __y) { } 281169691Skan 282132720Skan _Bit_const_iterator(const _Bit_iterator& __x) 283132720Skan : _Bit_iterator_base(__x._M_p, __x._M_offset) { } 28497403Sobrien 285132720Skan const_reference 286132720Skan operator*() const 287132720Skan { return _Bit_reference(_M_p, 1UL << _M_offset); } 28897403Sobrien 289132720Skan const_iterator& 290132720Skan operator++() 291132720Skan { 292132720Skan _M_bump_up(); 293132720Skan return *this; 294132720Skan } 29597403Sobrien 296132720Skan const_iterator 297132720Skan operator++(int) 298132720Skan { 299132720Skan const_iterator __tmp = *this; 300132720Skan _M_bump_up(); 301132720Skan return __tmp; 302132720Skan } 30397403Sobrien 304132720Skan const_iterator& 305132720Skan operator--() 306132720Skan { 307132720Skan _M_bump_down(); 308132720Skan return *this; 309132720Skan } 310132720Skan 311132720Skan const_iterator 312132720Skan operator--(int) 313132720Skan { 314132720Skan const_iterator __tmp = *this; 315132720Skan _M_bump_down(); 316132720Skan return __tmp; 317132720Skan } 318132720Skan 319132720Skan const_iterator& 320132720Skan operator+=(difference_type __i) 321132720Skan { 322132720Skan _M_incr(__i); 323132720Skan return *this; 324132720Skan } 325132720Skan 326132720Skan const_iterator& 327132720Skan operator-=(difference_type __i) 328132720Skan { 329132720Skan *this += -__i; 330132720Skan return *this; 331132720Skan } 332132720Skan 333132720Skan const_iterator 334169691Skan operator+(difference_type __i) const 335169691Skan { 336132720Skan const_iterator __tmp = *this; 337132720Skan return __tmp += __i; 338132720Skan } 339132720Skan 340132720Skan const_iterator 341132720Skan operator-(difference_type __i) const 342132720Skan { 343132720Skan const_iterator __tmp = *this; 344132720Skan return __tmp -= __i; 345132720Skan } 346132720Skan 347132720Skan const_reference 348169691Skan operator[](difference_type __i) const 349132720Skan { return *(*this + __i); } 350132720Skan }; 351132720Skan 352132720Skan inline _Bit_const_iterator 353132720Skan operator+(ptrdiff_t __n, const _Bit_const_iterator& __x) 354132720Skan { return __x + __n; } 355132720Skan 356169691Skan inline void 357169691Skan __fill_bvector(_Bit_iterator __first, _Bit_iterator __last, bool __x) 358169691Skan { 359169691Skan for (; __first != __last; ++__first) 360169691Skan *__first = __x; 361169691Skan } 362169691Skan 363169691Skan inline void 364169691Skan fill(_Bit_iterator __first, _Bit_iterator __last, const bool& __x) 365169691Skan { 366169691Skan if (__first._M_p != __last._M_p) 367169691Skan { 368169691Skan std::fill(__first._M_p + 1, __last._M_p, __x ? ~0 : 0); 369169691Skan __fill_bvector(__first, _Bit_iterator(__first._M_p + 1, 0), __x); 370169691Skan __fill_bvector(_Bit_iterator(__last._M_p, 0), __last, __x); 371169691Skan } 372169691Skan else 373169691Skan __fill_bvector(__first, __last, __x); 374169691Skan } 375169691Skan 376132720Skan template<class _Alloc> 377169691Skan struct _Bvector_base 378132720Skan { 379132720Skan typedef typename _Alloc::template rebind<_Bit_type>::other 380132720Skan _Bit_alloc_type; 381132720Skan 382169691Skan struct _Bvector_impl 383169691Skan : public _Bit_alloc_type 384132720Skan { 385132720Skan _Bit_iterator _M_start; 386132720Skan _Bit_iterator _M_finish; 387132720Skan _Bit_type* _M_end_of_storage; 388236829Spfg 389236829Spfg _Bvector_impl() 390236829Spfg : _Bit_alloc_type(), _M_start(), _M_finish(), _M_end_of_storage(0) 391236829Spfg { } 392236829Spfg 393132720Skan _Bvector_impl(const _Bit_alloc_type& __a) 394132720Skan : _Bit_alloc_type(__a), _M_start(), _M_finish(), _M_end_of_storage(0) 395132720Skan { } 396132720Skan }; 397132720Skan 398132720Skan public: 399132720Skan typedef _Alloc allocator_type; 400132720Skan 401169691Skan _Bit_alloc_type& 402169691Skan _M_get_Bit_allocator() 403169691Skan { return *static_cast<_Bit_alloc_type*>(&this->_M_impl); } 404169691Skan 405169691Skan const _Bit_alloc_type& 406169691Skan _M_get_Bit_allocator() const 407169691Skan { return *static_cast<const _Bit_alloc_type*>(&this->_M_impl); } 408169691Skan 409132720Skan allocator_type 410132720Skan get_allocator() const 411169691Skan { return allocator_type(_M_get_Bit_allocator()); } 412132720Skan 413236829Spfg _Bvector_base() 414236829Spfg : _M_impl() { } 415132720Skan 416236829Spfg _Bvector_base(const allocator_type& __a) 417236829Spfg : _M_impl(__a) { } 418236829Spfg 419169691Skan ~_Bvector_base() 420169691Skan { this->_M_deallocate(); } 421132720Skan 422132720Skan protected: 423132720Skan _Bvector_impl _M_impl; 424132720Skan 425132720Skan _Bit_type* 426132720Skan _M_allocate(size_t __n) 427169691Skan { return _M_impl.allocate((__n + int(_S_word_bit) - 1) 428169691Skan / int(_S_word_bit)); } 429132720Skan 430132720Skan void 431132720Skan _M_deallocate() 432132720Skan { 433132720Skan if (_M_impl._M_start._M_p) 434132720Skan _M_impl.deallocate(_M_impl._M_start._M_p, 435169691Skan _M_impl._M_end_of_storage - _M_impl._M_start._M_p); 436132720Skan } 437132720Skan }; 43897403Sobrien 439169691Skan_GLIBCXX_END_NESTED_NAMESPACE 440169691Skan 44197403Sobrien// Declare a partial specialization of vector<T, Alloc>. 44297403Sobrien#include <bits/stl_vector.h> 443132720Skan 444169691Skan_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD) 445169691Skan 446132720Skan /** 447132720Skan * @brief A specialization of vector for booleans which offers fixed time 448132720Skan * access to individual elements in any order. 449132720Skan * 450132720Skan * Note that vector<bool> does not actually meet the requirements for being 451132720Skan * a container. This is because the reference and pointer types are not 452132720Skan * really references and pointers to bool. See DR96 for details. @see 453132720Skan * vector for function documentation. 454132720Skan * 455132720Skan * @ingroup Containers 456132720Skan * @ingroup Sequences 457132720Skan * 458132720Skan * In some terminology a %vector can be described as a dynamic 459132720Skan * C-style array, it offers fast and efficient access to individual 460132720Skan * elements in any order and saves the user from worrying about 461132720Skan * memory and size allocation. Subscripting ( @c [] ) access is 462132720Skan * also provided as with C-style arrays. 463132720Skan */ 464132720Skantemplate<typename _Alloc> 465169691Skan class vector<bool, _Alloc> : protected _Bvector_base<_Alloc> 46697403Sobrien { 467169691Skan typedef _Bvector_base<_Alloc> _Base; 468169691Skan 46997403Sobrien public: 470169691Skan typedef bool value_type; 471169691Skan typedef size_t size_type; 472169691Skan typedef ptrdiff_t difference_type; 473169691Skan typedef _Bit_reference reference; 474169691Skan typedef bool const_reference; 475169691Skan typedef _Bit_reference* pointer; 476169691Skan typedef const bool* const_pointer; 477169691Skan typedef _Bit_iterator iterator; 478169691Skan typedef _Bit_const_iterator const_iterator; 479169691Skan typedef std::reverse_iterator<const_iterator> const_reverse_iterator; 480169691Skan typedef std::reverse_iterator<iterator> reverse_iterator; 481169691Skan typedef _Alloc allocator_type; 482132720Skan 483132720Skan allocator_type get_allocator() const 484169691Skan { return _Base::get_allocator(); } 485132720Skan 48697403Sobrien protected: 487169691Skan using _Base::_M_allocate; 488169691Skan using _Base::_M_deallocate; 489169691Skan using _Base::_M_get_Bit_allocator; 490132720Skan 491169691Skan public: 492236829Spfg vector() 493236829Spfg : _Base() { } 494236829Spfg 495169691Skan explicit 496236829Spfg vector(const allocator_type& __a) 497169691Skan : _Base(__a) { } 498169691Skan 499169691Skan explicit 500169691Skan vector(size_type __n, const bool& __value = bool(), 501169691Skan const allocator_type& __a = allocator_type()) 502169691Skan : _Base(__a) 503132720Skan { 504169691Skan _M_initialize(__n); 505169691Skan std::fill(this->_M_impl._M_start._M_p, this->_M_impl._M_end_of_storage, 506169691Skan __value ? ~0 : 0); 50797403Sobrien } 508132720Skan 509169691Skan vector(const vector& __x) 510169691Skan : _Base(__x._M_get_Bit_allocator()) 511132720Skan { 512169691Skan _M_initialize(__x.size()); 513169691Skan _M_copy_aligned(__x.begin(), __x.end(), this->_M_impl._M_start); 51497403Sobrien } 515132720Skan 516132720Skan template<class _InputIterator> 517169691Skan vector(_InputIterator __first, _InputIterator __last, 518169691Skan const allocator_type& __a = allocator_type()) 519169691Skan : _Base(__a) 520169691Skan { 521169691Skan typedef typename std::__is_integer<_InputIterator>::__type _Integral; 522169691Skan _M_initialize_dispatch(__first, __last, _Integral()); 523169691Skan } 524132720Skan 525169691Skan ~vector() { } 526132720Skan 527169691Skan vector& 528169691Skan operator=(const vector& __x) 529132720Skan { 530169691Skan if (&__x == this) 531169691Skan return *this; 532169691Skan if (__x.size() > capacity()) 533132720Skan { 534169691Skan this->_M_deallocate(); 535169691Skan _M_initialize(__x.size()); 536132720Skan } 537169691Skan this->_M_impl._M_finish = _M_copy_aligned(__x.begin(), __x.end(), 538169691Skan begin()); 539169691Skan return *this; 54097403Sobrien } 541132720Skan 542169691Skan // assign(), a generalized assignment member function. Two 543169691Skan // versions: one that takes a count, and one that takes a range. 544169691Skan // The range version is a member template, so we dispatch on whether 545169691Skan // or not the type is an integer. 546169691Skan void 547169691Skan assign(size_type __n, const bool& __x) 548169691Skan { _M_fill_assign(__n, __x); } 549132720Skan 550169691Skan template<class _InputIterator> 551169691Skan void 552169691Skan assign(_InputIterator __first, _InputIterator __last) 553169691Skan { 554169691Skan typedef typename std::__is_integer<_InputIterator>::__type _Integral; 555169691Skan _M_assign_dispatch(__first, __last, _Integral()); 556169691Skan } 557169691Skan 558169691Skan iterator 559169691Skan begin() 560132720Skan { return this->_M_impl._M_start; } 561132720Skan 562169691Skan const_iterator 563169691Skan begin() const 564132720Skan { return this->_M_impl._M_start; } 565132720Skan 566169691Skan iterator 567169691Skan end() 568132720Skan { return this->_M_impl._M_finish; } 569132720Skan 570169691Skan const_iterator 571169691Skan end() const 572132720Skan { return this->_M_impl._M_finish; } 573132720Skan 574169691Skan reverse_iterator 575169691Skan rbegin() 576132720Skan { return reverse_iterator(end()); } 577132720Skan 578169691Skan const_reverse_iterator 579169691Skan rbegin() const 580132720Skan { return const_reverse_iterator(end()); } 581132720Skan 582169691Skan reverse_iterator 583169691Skan rend() 584132720Skan { return reverse_iterator(begin()); } 585132720Skan 586169691Skan const_reverse_iterator 587169691Skan rend() const 588132720Skan { return const_reverse_iterator(begin()); } 589132720Skan 590169691Skan size_type 591169691Skan size() const 592132720Skan { return size_type(end() - begin()); } 593132720Skan 594169691Skan size_type 595169691Skan max_size() const 596169691Skan { 597169691Skan const size_type __asize = _M_get_Bit_allocator().max_size(); 598169691Skan return (__asize <= size_type(-1) / int(_S_word_bit) ? 599169691Skan __asize * int(_S_word_bit) : size_type(-1)); 600169691Skan } 601132720Skan 602169691Skan size_type 603169691Skan capacity() const 604132720Skan { return size_type(const_iterator(this->_M_impl._M_end_of_storage, 0) 605132720Skan - begin()); } 606169691Skan 607169691Skan bool 608169691Skan empty() const 609132720Skan { return begin() == end(); } 610132720Skan 611169691Skan reference 612169691Skan operator[](size_type __n) 613169691Skan { 614169691Skan return *iterator(this->_M_impl._M_start._M_p 615169691Skan + __n / int(_S_word_bit), __n % int(_S_word_bit)); 616169691Skan } 617132720Skan 618169691Skan const_reference 619169691Skan operator[](size_type __n) const 620169691Skan { 621169691Skan return *const_iterator(this->_M_impl._M_start._M_p 622169691Skan + __n / int(_S_word_bit), __n % int(_S_word_bit)); 623169691Skan } 624132720Skan 625169691Skan protected: 626169691Skan void 627169691Skan _M_range_check(size_type __n) const 628132720Skan { 62997403Sobrien if (__n >= this->size()) 630132720Skan __throw_out_of_range(__N("vector<bool>::_M_range_check")); 63197403Sobrien } 632132720Skan 633169691Skan public: 634169691Skan reference 635169691Skan at(size_type __n) 636132720Skan { _M_range_check(__n); return (*this)[__n]; } 637132720Skan 638169691Skan const_reference 639169691Skan at(size_type __n) const 640132720Skan { _M_range_check(__n); return (*this)[__n]; } 641132720Skan 642169691Skan void 643169691Skan reserve(size_type __n) 64497403Sobrien { 645110614Skan if (__n > this->max_size()) 646132720Skan __throw_length_error(__N("vector::reserve")); 647132720Skan if (this->capacity() < __n) 648132720Skan { 649132720Skan _Bit_type* __q = this->_M_allocate(__n); 650169691Skan this->_M_impl._M_finish = _M_copy_aligned(begin(), end(), 651169691Skan iterator(__q, 0)); 652132720Skan this->_M_deallocate(); 653132720Skan this->_M_impl._M_start = iterator(__q, 0); 654169691Skan this->_M_impl._M_end_of_storage = (__q + (__n + int(_S_word_bit) - 1) 655169691Skan / int(_S_word_bit)); 656132720Skan } 65797403Sobrien } 658132720Skan 659169691Skan reference 660169691Skan front() 661132720Skan { return *begin(); } 662132720Skan 663169691Skan const_reference 664169691Skan front() const 665132720Skan { return *begin(); } 666132720Skan 667169691Skan reference 668169691Skan back() 669132720Skan { return *(end() - 1); } 670132720Skan 671169691Skan const_reference 672169691Skan back() const 673132720Skan { return *(end() - 1); } 674132720Skan 675169691Skan // _GLIBCXX_RESOLVE_LIB_DEFECTS 676169691Skan // DR 464. Suggestion for new member functions in standard containers. 677169691Skan // N.B. DR 464 says nothing about vector<bool> but we need something 678169691Skan // here due to the way we are implementing DR 464 in the debug-mode 679169691Skan // vector class. 680169691Skan void 681169691Skan data() { } 682169691Skan 683169691Skan void 684169691Skan push_back(bool __x) 685132720Skan { 686132720Skan if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_of_storage) 687132720Skan *this->_M_impl._M_finish++ = __x; 68897403Sobrien else 68997403Sobrien _M_insert_aux(end(), __x); 69097403Sobrien } 691132720Skan 692169691Skan void 693236829Spfg swap(vector& __x) 694132720Skan { 695132720Skan std::swap(this->_M_impl._M_start, __x._M_impl._M_start); 696132720Skan std::swap(this->_M_impl._M_finish, __x._M_impl._M_finish); 697132720Skan std::swap(this->_M_impl._M_end_of_storage, 698132720Skan __x._M_impl._M_end_of_storage); 699169691Skan 700169691Skan // _GLIBCXX_RESOLVE_LIB_DEFECTS 701169691Skan // 431. Swapping containers with unequal allocators. 702169691Skan std::__alloc_swap<typename _Base::_Bit_alloc_type>:: 703169691Skan _S_do_it(_M_get_Bit_allocator(), __x._M_get_Bit_allocator()); 70497403Sobrien } 705117397Skan 706117397Skan // [23.2.5]/1, third-to-last entry in synopsis listing 707169691Skan static void 708169691Skan swap(reference __x, reference __y) 709132720Skan { 710117397Skan bool __tmp = __x; 711117397Skan __x = __y; 712117397Skan __y = __tmp; 713117397Skan } 714117397Skan 715169691Skan iterator 716169691Skan insert(iterator __position, const bool& __x = bool()) 717132720Skan { 718132720Skan const difference_type __n = __position - begin(); 719132720Skan if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_of_storage 720132720Skan && __position == end()) 721132720Skan *this->_M_impl._M_finish++ = __x; 72297403Sobrien else 72397403Sobrien _M_insert_aux(__position, __x); 72497403Sobrien return begin() + __n; 72597403Sobrien } 726132720Skan 727169691Skan template<class _InputIterator> 728169691Skan void 729169691Skan insert(iterator __position, 730169691Skan _InputIterator __first, _InputIterator __last) 731169691Skan { 732169691Skan typedef typename std::__is_integer<_InputIterator>::__type _Integral; 733169691Skan _M_insert_dispatch(__position, __first, __last, _Integral()); 734169691Skan } 735169691Skan 736169691Skan void 737169691Skan insert(iterator __position, size_type __n, const bool& __x) 738169691Skan { _M_fill_insert(__position, __n, __x); } 739169691Skan 740169691Skan void 741169691Skan pop_back() 742169691Skan { --this->_M_impl._M_finish; } 743169691Skan 744169691Skan iterator 745169691Skan erase(iterator __position) 746169691Skan { 747169691Skan if (__position + 1 != end()) 748169691Skan std::copy(__position + 1, end(), __position); 749169691Skan --this->_M_impl._M_finish; 750169691Skan return __position; 751169691Skan } 752169691Skan 753169691Skan iterator 754169691Skan erase(iterator __first, iterator __last) 755169691Skan { 756169691Skan _M_erase_at_end(std::copy(__last, end(), __first)); 757169691Skan return __first; 758169691Skan } 759169691Skan 760169691Skan void 761169691Skan resize(size_type __new_size, bool __x = bool()) 762169691Skan { 763169691Skan if (__new_size < size()) 764169691Skan _M_erase_at_end(begin() + difference_type(__new_size)); 765169691Skan else 766169691Skan insert(end(), __new_size - size(), __x); 767169691Skan } 768169691Skan 769169691Skan void 770169691Skan flip() 771169691Skan { 772169691Skan for (_Bit_type * __p = this->_M_impl._M_start._M_p; 773169691Skan __p != this->_M_impl._M_end_of_storage; ++__p) 774169691Skan *__p = ~*__p; 775169691Skan } 776169691Skan 777169691Skan void 778169691Skan clear() 779169691Skan { _M_erase_at_end(begin()); } 780169691Skan 781169691Skan 782169691Skan protected: 783169691Skan // Precondition: __first._M_offset == 0 && __result._M_offset == 0. 784169691Skan iterator 785169691Skan _M_copy_aligned(const_iterator __first, const_iterator __last, 786169691Skan iterator __result) 787169691Skan { 788169691Skan _Bit_type* __q = std::copy(__first._M_p, __last._M_p, __result._M_p); 789169691Skan return std::copy(const_iterator(__last._M_p, 0), __last, 790169691Skan iterator(__q, 0)); 791169691Skan } 792169691Skan 793169691Skan void 794169691Skan _M_initialize(size_type __n) 795169691Skan { 796169691Skan _Bit_type* __q = this->_M_allocate(__n); 797169691Skan this->_M_impl._M_end_of_storage = (__q 798169691Skan + ((__n + int(_S_word_bit) - 1) 799169691Skan / int(_S_word_bit))); 800169691Skan this->_M_impl._M_start = iterator(__q, 0); 801169691Skan this->_M_impl._M_finish = this->_M_impl._M_start + difference_type(__n); 802169691Skan } 803169691Skan 80497403Sobrien // Check whether it's an integral type. If so, it's not an iterator. 805169691Skan template<class _Integer> 806169691Skan void 807169691Skan _M_initialize_dispatch(_Integer __n, _Integer __x, __true_type) 808169691Skan { 809169691Skan _M_initialize(__n); 810169691Skan std::fill(this->_M_impl._M_start._M_p, 811169691Skan this->_M_impl._M_end_of_storage, __x ? ~0 : 0); 812169691Skan } 813132720Skan 814169691Skan template<class _InputIterator> 815169691Skan void 816169691Skan _M_initialize_dispatch(_InputIterator __first, _InputIterator __last, 817169691Skan __false_type) 818169691Skan { _M_initialize_range(__first, __last, 819169691Skan std::__iterator_category(__first)); } 820169691Skan 821169691Skan template<class _InputIterator> 822169691Skan void 823169691Skan _M_initialize_range(_InputIterator __first, _InputIterator __last, 824169691Skan std::input_iterator_tag) 825169691Skan { 826169691Skan for (; __first != __last; ++__first) 827169691Skan push_back(*__first); 828169691Skan } 829169691Skan 830169691Skan template<class _ForwardIterator> 831169691Skan void 832169691Skan _M_initialize_range(_ForwardIterator __first, _ForwardIterator __last, 833169691Skan std::forward_iterator_tag) 834169691Skan { 835169691Skan const size_type __n = std::distance(__first, __last); 836169691Skan _M_initialize(__n); 837169691Skan std::copy(__first, __last, this->_M_impl._M_start); 838169691Skan } 839169691Skan 840132720Skan template<class _Integer> 841169691Skan void 842169691Skan _M_assign_dispatch(_Integer __n, _Integer __val, __true_type) 843169691Skan { _M_fill_assign((size_t) __n, (bool) __val); } 844132720Skan 845132720Skan template<class _InputIterator> 846169691Skan void 847169691Skan _M_assign_dispatch(_InputIterator __first, _InputIterator __last, 848169691Skan __false_type) 849169691Skan { _M_assign_aux(__first, __last, std::__iterator_category(__first)); } 850132720Skan 851169691Skan void 852169691Skan _M_fill_assign(size_t __n, bool __x) 853132720Skan { 854169691Skan if (__n > size()) 855169691Skan { 856169691Skan std::fill(this->_M_impl._M_start._M_p, 857169691Skan this->_M_impl._M_end_of_storage, __x ? ~0 : 0); 858169691Skan insert(end(), __n - size(), __x); 859169691Skan } 860169691Skan else 861169691Skan { 862169691Skan _M_erase_at_end(begin() + __n); 863169691Skan std::fill(this->_M_impl._M_start._M_p, 864169691Skan this->_M_impl._M_end_of_storage, __x ? ~0 : 0); 865169691Skan } 86697403Sobrien } 867132720Skan 868169691Skan template<class _InputIterator> 869169691Skan void 870169691Skan _M_assign_aux(_InputIterator __first, _InputIterator __last, 871169691Skan std::input_iterator_tag) 872169691Skan { 873169691Skan iterator __cur = begin(); 874169691Skan for (; __first != __last && __cur != end(); ++__cur, ++__first) 875169691Skan *__cur = *__first; 876169691Skan if (__first == __last) 877169691Skan _M_erase_at_end(__cur); 878169691Skan else 879169691Skan insert(end(), __first, __last); 880169691Skan } 881169691Skan 882169691Skan template<class _ForwardIterator> 883169691Skan void 884169691Skan _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last, 885169691Skan std::forward_iterator_tag) 886169691Skan { 887169691Skan const size_type __len = std::distance(__first, __last); 888169691Skan if (__len < size()) 889169691Skan _M_erase_at_end(std::copy(__first, __last, begin())); 890169691Skan else 891169691Skan { 892169691Skan _ForwardIterator __mid = __first; 893169691Skan std::advance(__mid, size()); 894169691Skan std::copy(__first, __mid, begin()); 895169691Skan insert(end(), __mid, __last); 896169691Skan } 897169691Skan } 898169691Skan 899169691Skan // Check whether it's an integral type. If so, it's not an iterator. 900169691Skan template<class _Integer> 901169691Skan void 902169691Skan _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __x, 903169691Skan __true_type) 904169691Skan { _M_fill_insert(__pos, __n, __x); } 905169691Skan 906169691Skan template<class _InputIterator> 907169691Skan void 908169691Skan _M_insert_dispatch(iterator __pos, 909169691Skan _InputIterator __first, _InputIterator __last, 910169691Skan __false_type) 911169691Skan { _M_insert_range(__pos, __first, __last, 912169691Skan std::__iterator_category(__first)); } 913169691Skan 914169691Skan void 915169691Skan _M_fill_insert(iterator __position, size_type __n, bool __x) 916132720Skan { 917132720Skan if (__n == 0) 918132720Skan return; 919132720Skan if (capacity() - size() >= __n) 920132720Skan { 921132720Skan std::copy_backward(__position, end(), 922132720Skan this->_M_impl._M_finish + difference_type(__n)); 923132720Skan std::fill(__position, __position + difference_type(__n), __x); 924132720Skan this->_M_impl._M_finish += difference_type(__n); 925132720Skan } 926132720Skan else 927132720Skan { 928132720Skan const size_type __len = size() + std::max(size(), __n); 929132720Skan _Bit_type * __q = this->_M_allocate(__len); 930169691Skan iterator __i = _M_copy_aligned(begin(), __position, 931169691Skan iterator(__q, 0)); 932169691Skan std::fill(__i, __i + difference_type(__n), __x); 933132720Skan this->_M_impl._M_finish = std::copy(__position, end(), 934132720Skan __i + difference_type(__n)); 935132720Skan this->_M_deallocate(); 936169691Skan this->_M_impl._M_end_of_storage = (__q + ((__len 937169691Skan + int(_S_word_bit) - 1) 938169691Skan / int(_S_word_bit))); 939132720Skan this->_M_impl._M_start = iterator(__q, 0); 940132720Skan } 94197403Sobrien } 942132720Skan 943169691Skan template<class _InputIterator> 944169691Skan void 945169691Skan _M_insert_range(iterator __pos, _InputIterator __first, 946169691Skan _InputIterator __last, std::input_iterator_tag) 947169691Skan { 948169691Skan for (; __first != __last; ++__first) 949169691Skan { 950169691Skan __pos = insert(__pos, *__first); 951169691Skan ++__pos; 952169691Skan } 953169691Skan } 954132720Skan 955169691Skan template<class _ForwardIterator> 956169691Skan void 957169691Skan _M_insert_range(iterator __position, _ForwardIterator __first, 958169691Skan _ForwardIterator __last, std::forward_iterator_tag) 959169691Skan { 960169691Skan if (__first != __last) 961169691Skan { 962169691Skan size_type __n = std::distance(__first, __last); 963169691Skan if (capacity() - size() >= __n) 964169691Skan { 965169691Skan std::copy_backward(__position, end(), 966169691Skan this->_M_impl._M_finish 967169691Skan + difference_type(__n)); 968169691Skan std::copy(__first, __last, __position); 969169691Skan this->_M_impl._M_finish += difference_type(__n); 970169691Skan } 971169691Skan else 972169691Skan { 973169691Skan const size_type __len = size() + std::max(size(), __n); 974169691Skan _Bit_type * __q = this->_M_allocate(__len); 975169691Skan iterator __i = _M_copy_aligned(begin(), __position, 976169691Skan iterator(__q, 0)); 977169691Skan __i = std::copy(__first, __last, __i); 978169691Skan this->_M_impl._M_finish = std::copy(__position, end(), __i); 979169691Skan this->_M_deallocate(); 980169691Skan this->_M_impl._M_end_of_storage = (__q 981169691Skan + ((__len 982169691Skan + int(_S_word_bit) - 1) 983169691Skan / int(_S_word_bit))); 984169691Skan this->_M_impl._M_start = iterator(__q, 0); 985169691Skan } 986169691Skan } 987169691Skan } 988132720Skan 989169691Skan void 990169691Skan _M_insert_aux(iterator __position, bool __x) 991132720Skan { 992169691Skan if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_of_storage) 993169691Skan { 994169691Skan std::copy_backward(__position, this->_M_impl._M_finish, 995169691Skan this->_M_impl._M_finish + 1); 996169691Skan *__position = __x; 997169691Skan ++this->_M_impl._M_finish; 998169691Skan } 99997403Sobrien else 1000169691Skan { 1001169691Skan const size_type __len = size() ? 2 * size() 1002169691Skan : static_cast<size_type>(_S_word_bit); 1003169691Skan _Bit_type * __q = this->_M_allocate(__len); 1004169691Skan iterator __i = _M_copy_aligned(begin(), __position, 1005169691Skan iterator(__q, 0)); 1006169691Skan *__i++ = __x; 1007169691Skan this->_M_impl._M_finish = std::copy(__position, end(), __i); 1008169691Skan this->_M_deallocate(); 1009169691Skan this->_M_impl._M_end_of_storage = (__q + ((__len 1010169691Skan + int(_S_word_bit) - 1) 1011169691Skan / int(_S_word_bit))); 1012169691Skan this->_M_impl._M_start = iterator(__q, 0); 1013169691Skan } 101497403Sobrien } 1015132720Skan 1016169691Skan void 1017169691Skan _M_erase_at_end(iterator __pos) 1018169691Skan { this->_M_impl._M_finish = __pos; } 101997403Sobrien }; 102097403Sobrien 1021169691Skan_GLIBCXX_END_NESTED_NAMESPACE 1022169691Skan 1023132720Skan#endif 1024