deque revision 132720
1132720Skan// Debugging deque implementation -*- C++ -*- 2132720Skan 3132720Skan// Copyright (C) 2003, 2004 4132720Skan// Free Software Foundation, Inc. 5132720Skan// 6132720Skan// This file is part of the GNU ISO C++ Library. This library is free 7132720Skan// software; you can redistribute it and/or modify it under the 8132720Skan// terms of the GNU General Public License as published by the 9132720Skan// Free Software Foundation; either version 2, or (at your option) 10132720Skan// any later version. 11132720Skan 12132720Skan// This library is distributed in the hope that it will be useful, 13132720Skan// but WITHOUT ANY WARRANTY; without even the implied warranty of 14132720Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15132720Skan// GNU General Public License for more details. 16132720Skan 17132720Skan// You should have received a copy of the GNU General Public License along 18132720Skan// with this library; see the file COPYING. If not, write to the Free 19132720Skan// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 20132720Skan// USA. 21132720Skan 22132720Skan// As a special exception, you may use this file as part of a free software 23132720Skan// library without restriction. Specifically, if other files instantiate 24132720Skan// templates or use macros or inline functions from this file, or you compile 25132720Skan// this file and link it with other files to produce an executable, this 26132720Skan// file does not by itself cause the resulting executable to be covered by 27132720Skan// the GNU General Public License. This exception does not however 28132720Skan// invalidate any other reasons why the executable file might be covered by 29132720Skan// the GNU General Public License. 30132720Skan 31132720Skan#ifndef _GLIBCXX_DEBUG_DEQUE 32132720Skan#define _GLIBCXX_DEBUG_DEQUE 1 33132720Skan 34132720Skan#include <deque> 35132720Skan#include <debug/safe_sequence.h> 36132720Skan#include <debug/safe_iterator.h> 37132720Skan 38132720Skannamespace __gnu_debug_def 39132720Skan{ 40132720Skan template<typename _Tp, typename _Allocator = std::allocator<_Tp> > 41132720Skan class deque 42132720Skan : public _GLIBCXX_STD::deque<_Tp, _Allocator>, 43132720Skan public __gnu_debug::_Safe_sequence<deque<_Tp, _Allocator> > 44132720Skan { 45132720Skan typedef _GLIBCXX_STD::deque<_Tp, _Allocator> _Base; 46132720Skan typedef __gnu_debug::_Safe_sequence<deque> _Safe_base; 47132720Skan 48132720Skan public: 49132720Skan typedef typename _Allocator::reference reference; 50132720Skan typedef typename _Allocator::const_reference const_reference; 51132720Skan 52132720Skan typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,deque> 53132720Skan iterator; 54132720Skan typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,deque> 55132720Skan const_iterator; 56132720Skan 57132720Skan typedef typename _Base::size_type size_type; 58132720Skan typedef typename _Base::difference_type difference_type; 59132720Skan 60132720Skan typedef _Tp value_type; 61132720Skan typedef _Allocator allocator_type; 62132720Skan typedef typename _Allocator::pointer pointer; 63132720Skan typedef typename _Allocator::const_pointer const_pointer; 64132720Skan typedef std::reverse_iterator<iterator> reverse_iterator; 65132720Skan typedef std::reverse_iterator<const_iterator> const_reverse_iterator; 66132720Skan 67132720Skan // 23.2.1.1 construct/copy/destroy: 68132720Skan explicit deque(const _Allocator& __a = _Allocator()) 69132720Skan : _Base(__a) { } 70132720Skan 71132720Skan explicit deque(size_type __n, const _Tp& __value = _Tp(), 72132720Skan const _Allocator& __a = _Allocator()) 73132720Skan : _Base(__n, __value, __a) { } 74132720Skan 75132720Skan template<class _InputIterator> 76132720Skan deque(_InputIterator __first, _InputIterator __last, 77132720Skan const _Allocator& __a = _Allocator()) 78132720Skan : _Base(__gnu_debug::__check_valid_range(__first, __last), __last, __a) 79132720Skan { } 80132720Skan 81132720Skan deque(const deque<_Tp,_Allocator>& __x) : _Base(__x), _Safe_base() { } 82132720Skan 83132720Skan deque(const _Base& __x) : _Base(__x), _Safe_base() { } 84132720Skan 85132720Skan ~deque() { } 86132720Skan 87132720Skan deque<_Tp,_Allocator>& 88132720Skan operator=(const deque<_Tp,_Allocator>& __x) 89132720Skan { 90132720Skan *static_cast<_Base*>(this) = __x; 91132720Skan this->_M_invalidate_all(); 92132720Skan return *this; 93132720Skan } 94132720Skan 95132720Skan template<class _InputIterator> 96132720Skan void 97132720Skan assign(_InputIterator __first, _InputIterator __last) 98132720Skan { 99132720Skan __glibcxx_check_valid_range(__first, __last); 100132720Skan _Base::assign(__first, __last); 101132720Skan this->_M_invalidate_all(); 102132720Skan } 103132720Skan 104132720Skan void 105132720Skan assign(size_type __n, const _Tp& __t) 106132720Skan { 107132720Skan _Base::assign(__n, __t); 108132720Skan this->_M_invalidate_all(); 109132720Skan } 110132720Skan 111132720Skan using _Base::get_allocator; 112132720Skan 113132720Skan // iterators: 114132720Skan iterator 115132720Skan begin() 116132720Skan { return iterator(_Base::begin(), this); } 117132720Skan 118132720Skan const_iterator 119132720Skan begin() const 120132720Skan { return const_iterator(_Base::begin(), this); } 121132720Skan 122132720Skan iterator 123132720Skan end() 124132720Skan { return iterator(_Base::end(), this); } 125132720Skan 126132720Skan const_iterator 127132720Skan end() const 128132720Skan { return const_iterator(_Base::end(), this); } 129132720Skan 130132720Skan reverse_iterator 131132720Skan rbegin() 132132720Skan { return reverse_iterator(end()); } 133132720Skan 134132720Skan const_reverse_iterator 135132720Skan rbegin() const 136132720Skan { return const_reverse_iterator(end()); } 137132720Skan 138132720Skan reverse_iterator 139132720Skan rend() 140132720Skan { return reverse_iterator(begin()); } 141132720Skan 142132720Skan const_reverse_iterator 143132720Skan rend() const 144132720Skan { return const_reverse_iterator(begin()); } 145132720Skan 146132720Skan // 23.2.1.2 capacity: 147132720Skan using _Base::size; 148132720Skan using _Base::max_size; 149132720Skan 150132720Skan void 151132720Skan resize(size_type __sz, _Tp __c = _Tp()) 152132720Skan { 153132720Skan typedef typename _Base::const_iterator _Base_const_iterator; 154132720Skan typedef __gnu_debug::_After_nth_from<_Base_const_iterator> _After_nth; 155132720Skan 156132720Skan bool __invalidate_all = __sz > this->size(); 157132720Skan if (__sz < this->size()) 158132720Skan this->_M_invalidate_if(_After_nth(__sz, _M_base().begin())); 159132720Skan 160132720Skan _Base::resize(__sz, __c); 161132720Skan 162132720Skan if (__invalidate_all) 163132720Skan this->_M_invalidate_all(); 164132720Skan } 165132720Skan 166132720Skan using _Base::empty; 167132720Skan 168132720Skan // element access: 169132720Skan reference 170132720Skan operator[](size_type __n) 171132720Skan { 172132720Skan __glibcxx_check_subscript(__n); 173132720Skan return _M_base()[__n]; 174132720Skan } 175132720Skan 176132720Skan const_reference 177132720Skan operator[](size_type __n) const 178132720Skan { 179132720Skan __glibcxx_check_subscript(__n); 180132720Skan return _M_base()[__n]; 181132720Skan } 182132720Skan 183132720Skan using _Base::at; 184132720Skan 185132720Skan reference 186132720Skan front() 187132720Skan { 188132720Skan __glibcxx_check_nonempty(); 189132720Skan return _Base::front(); 190132720Skan } 191132720Skan 192132720Skan const_reference 193132720Skan front() const 194132720Skan { 195132720Skan __glibcxx_check_nonempty(); 196132720Skan return _Base::front(); 197132720Skan } 198132720Skan 199132720Skan reference 200132720Skan back() 201132720Skan { 202132720Skan __glibcxx_check_nonempty(); 203132720Skan return _Base::back(); 204132720Skan } 205132720Skan 206132720Skan const_reference 207132720Skan back() const 208132720Skan { 209132720Skan __glibcxx_check_nonempty(); 210132720Skan return _Base::back(); 211132720Skan } 212132720Skan 213132720Skan // 23.2.1.3 modifiers: 214132720Skan void 215132720Skan push_front(const _Tp& __x) 216132720Skan { 217132720Skan _Base::push_front(__x); 218132720Skan this->_M_invalidate_all(); 219132720Skan } 220132720Skan 221132720Skan void 222132720Skan push_back(const _Tp& __x) 223132720Skan { 224132720Skan _Base::push_back(__x); 225132720Skan this->_M_invalidate_all(); 226132720Skan } 227132720Skan 228132720Skan iterator 229132720Skan insert(iterator __position, const _Tp& __x) 230132720Skan { 231132720Skan __glibcxx_check_insert(__position); 232132720Skan typename _Base::iterator __res = _Base::insert(__position.base(), __x); 233132720Skan this->_M_invalidate_all(); 234132720Skan return iterator(__res, this); 235132720Skan } 236132720Skan 237132720Skan void 238132720Skan insert(iterator __position, size_type __n, const _Tp& __x) 239132720Skan { 240132720Skan __glibcxx_check_insert(__position); 241132720Skan _Base::insert(__position.base(), __n, __x); 242132720Skan this->_M_invalidate_all(); 243132720Skan } 244132720Skan 245132720Skan template<class _InputIterator> 246132720Skan void 247132720Skan insert(iterator __position, 248132720Skan _InputIterator __first, _InputIterator __last) 249132720Skan { 250132720Skan __glibcxx_check_insert_range(__position, __first, __last); 251132720Skan _Base::insert(__position.base(), __first, __last); 252132720Skan this->_M_invalidate_all(); 253132720Skan } 254132720Skan 255132720Skan void 256132720Skan pop_front() 257132720Skan { 258132720Skan __glibcxx_check_nonempty(); 259132720Skan iterator __victim = begin(); 260132720Skan __victim._M_invalidate(); 261132720Skan _Base::pop_front(); 262132720Skan } 263132720Skan 264132720Skan void 265132720Skan pop_back() 266132720Skan { 267132720Skan __glibcxx_check_nonempty(); 268132720Skan iterator __victim = end(); 269132720Skan --__victim; 270132720Skan __victim._M_invalidate(); 271132720Skan _Base::pop_back(); 272132720Skan } 273132720Skan 274132720Skan iterator 275132720Skan erase(iterator __position) 276132720Skan { 277132720Skan __glibcxx_check_erase(__position); 278132720Skan if (__position == begin() || __position == end()-1) 279132720Skan { 280132720Skan __position._M_invalidate(); 281132720Skan return iterator(_Base::erase(__position.base()), this); 282132720Skan } 283132720Skan else 284132720Skan { 285132720Skan typename _Base::iterator __res = _Base::erase(__position.base()); 286132720Skan this->_M_invalidate_all(); 287132720Skan return iterator(__res, this); 288132720Skan } 289132720Skan } 290132720Skan 291132720Skan iterator 292132720Skan erase(iterator __first, iterator __last) 293132720Skan { 294132720Skan // _GLIBCXX_RESOLVE_LIB_DEFECTS 295132720Skan // 151. can't currently clear() empty container 296132720Skan __glibcxx_check_erase_range(__first, __last); 297132720Skan if (__first == begin() || __last == end()) 298132720Skan { 299132720Skan this->_M_detach_singular(); 300132720Skan for (iterator __position = __first; __position != __last; ) 301132720Skan { 302132720Skan iterator __victim = __position++; 303132720Skan __victim._M_invalidate(); 304132720Skan } 305132720Skan try 306132720Skan { 307132720Skan return iterator(_Base::erase(__first.base(), __last.base()), 308132720Skan this); 309132720Skan } 310132720Skan catch (...) 311132720Skan { 312132720Skan this->_M_revalidate_singular(); 313132720Skan __throw_exception_again; 314132720Skan } 315132720Skan } 316132720Skan else 317132720Skan { 318132720Skan typename _Base::iterator __res = _Base::erase(__first.base(), 319132720Skan __last.base()); 320132720Skan this->_M_invalidate_all(); 321132720Skan return iterator(__res, this); 322132720Skan } 323132720Skan } 324132720Skan 325132720Skan void 326132720Skan swap(deque<_Tp,_Allocator>& __x) 327132720Skan { 328132720Skan _Base::swap(__x); 329132720Skan this->_M_swap(__x); 330132720Skan } 331132720Skan 332132720Skan void 333132720Skan clear() 334132720Skan { 335132720Skan _Base::clear(); 336132720Skan this->_M_invalidate_all(); 337132720Skan } 338132720Skan 339132720Skan _Base& 340132720Skan _M_base() { return *this; } 341132720Skan 342132720Skan const _Base& 343132720Skan _M_base() const { return *this; } 344132720Skan }; 345132720Skan 346132720Skan template<typename _Tp, typename _Alloc> 347132720Skan inline bool 348132720Skan operator==(const deque<_Tp, _Alloc>& __lhs, 349132720Skan const deque<_Tp, _Alloc>& __rhs) 350132720Skan { return __lhs._M_base() == __rhs._M_base(); } 351132720Skan 352132720Skan template<typename _Tp, typename _Alloc> 353132720Skan inline bool 354132720Skan operator!=(const deque<_Tp, _Alloc>& __lhs, 355132720Skan const deque<_Tp, _Alloc>& __rhs) 356132720Skan { return __lhs._M_base() != __rhs._M_base(); } 357132720Skan 358132720Skan template<typename _Tp, typename _Alloc> 359132720Skan inline bool 360132720Skan operator<(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) 361132720Skan { return __lhs._M_base() < __rhs._M_base(); } 362132720Skan 363132720Skan template<typename _Tp, typename _Alloc> 364132720Skan inline bool 365132720Skan operator<=(const deque<_Tp, _Alloc>& __lhs, 366132720Skan const deque<_Tp, _Alloc>& __rhs) 367132720Skan { return __lhs._M_base() <= __rhs._M_base(); } 368132720Skan 369132720Skan template<typename _Tp, typename _Alloc> 370132720Skan inline bool 371132720Skan operator>=(const deque<_Tp, _Alloc>& __lhs, 372132720Skan const deque<_Tp, _Alloc>& __rhs) 373132720Skan { return __lhs._M_base() >= __rhs._M_base(); } 374132720Skan 375132720Skan template<typename _Tp, typename _Alloc> 376132720Skan inline bool 377132720Skan operator>(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) 378132720Skan { return __lhs._M_base() > __rhs._M_base(); } 379132720Skan 380132720Skan template<typename _Tp, typename _Alloc> 381132720Skan inline void 382132720Skan swap(deque<_Tp, _Alloc>& __lhs, deque<_Tp, _Alloc>& __rhs) 383132720Skan { __lhs.swap(__rhs); } 384132720Skan} // namespace __gnu_debug_def 385132720Skan 386132720Skan#endif 387