| 1 |
// Debugging iterator implementation (out of line) -*- C++ -*- |
| 2 |
|
| 3 |
// Copyright (C) 2003-2021 Free Software Foundation, Inc. |
| 4 |
// |
| 5 |
// This file is part of the GNU ISO C++ Library. This library is free |
| 6 |
// software; you can redistribute it and/or modify it under the |
| 7 |
// terms of the GNU General Public License as published by the |
| 8 |
// Free Software Foundation; either version 3, or (at your option) |
| 9 |
// any later version. |
| 10 |
|
| 11 |
// This library is distributed in the hope that it will be useful, |
| 12 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
// GNU General Public License for more details. |
| 15 |
|
| 16 |
// Under Section 7 of GPL version 3, you are granted additional |
| 17 |
// permissions described in the GCC Runtime Library Exception, version |
| 18 |
// 3.1, as published by the Free Software Foundation. |
| 19 |
|
| 20 |
// You should have received a copy of the GNU General Public License and |
| 21 |
// a copy of the GCC Runtime Library Exception along with this program; |
| 22 |
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 23 |
// <http://www.gnu.org/licenses/>. |
| 24 |
|
| 25 |
/** @file debug/safe_iterator.tcc |
| 26 |
* This file is a GNU debug extension to the Standard C++ Library. |
| 27 |
*/ |
| 28 |
|
| 29 |
#ifndef _GLIBCXX_DEBUG_SAFE_ITERATOR_TCC |
| 30 |
#define _GLIBCXX_DEBUG_SAFE_ITERATOR_TCC 1 |
| 31 |
|
| 32 |
#include <bits/stl_algobase.h> |
| 33 |
|
| 34 |
namespace __gnu_debug |
| 35 |
{ |
| 36 |
template<typename _Iterator, typename _Sequence, typename _Category> |
| 37 |
typename _Distance_traits<_Iterator>::__type |
| 38 |
_Safe_iterator<_Iterator, _Sequence, _Category>:: |
| 39 |
_M_get_distance_from_begin() const |
| 40 |
{ |
| 41 |
typedef _Sequence_traits<_Sequence> _SeqTraits; |
| 42 |
|
| 43 |
// No need to consider before_begin as this function is only used in |
| 44 |
// _M_can_advance which won't be used for forward_list iterators. |
| 45 |
if (_M_is_begin()) |
| 46 |
return std::make_pair(0, __dp_exact); |
| 47 |
|
| 48 |
if (_M_is_end()) |
| 49 |
return _SeqTraits::_S_size(*_M_get_sequence()); |
| 50 |
|
| 51 |
typename _Distance_traits<_Iterator>::__type __res |
| 52 |
= __get_distance(_M_get_sequence()->_M_base().begin(), base()); |
| 53 |
|
| 54 |
if (__res.second == __dp_equality) |
| 55 |
return std::make_pair(1, __dp_sign); |
| 56 |
|
| 57 |
return __res; |
| 58 |
} |
| 59 |
|
| 60 |
template<typename _Iterator, typename _Sequence, typename _Category> |
| 61 |
typename _Distance_traits<_Iterator>::__type |
| 62 |
_Safe_iterator<_Iterator, _Sequence, _Category>:: |
| 63 |
_M_get_distance_to_end() const |
| 64 |
{ |
| 65 |
typedef _Sequence_traits<_Sequence> _SeqTraits; |
| 66 |
|
| 67 |
// No need to consider before_begin as this function is only used in |
| 68 |
// _M_can_advance which won't be used for forward_list iterators. |
| 69 |
if (_M_is_begin()) |
| 70 |
return _SeqTraits::_S_size(*_M_get_sequence()); |
| 71 |
|
| 72 |
if (_M_is_end()) |
| 73 |
return std::make_pair(0, __dp_exact); |
| 74 |
|
| 75 |
typename _Distance_traits<_Iterator>::__type __res |
| 76 |
= __get_distance(base(), _M_get_sequence()->_M_base().end()); |
| 77 |
|
| 78 |
if (__res.second == __dp_equality) |
| 79 |
return std::make_pair(1, __dp_sign); |
| 80 |
|
| 81 |
return __res; |
| 82 |
} |
| 83 |
|
| 84 |
template<typename _Iterator, typename _Sequence, typename _Category> |
| 85 |
bool |
| 86 |
_Safe_iterator<_Iterator, _Sequence, _Category>:: |
| 87 |
_M_can_advance(difference_type __n, bool __strict) const |
| 88 |
{ |
| 89 |
if (this->_M_singular()) |
| 90 |
return false; |
| 91 |
|
| 92 |
if (__n == 0) |
| 93 |
return true; |
| 94 |
|
| 95 |
std::pair<difference_type, _Distance_precision> __dist = __n < 0 |
| 96 |
? _M_get_distance_from_begin() |
| 97 |
: _M_get_distance_to_end(); |
| 98 |
|
| 99 |
if (__n < 0) |
| 100 |
__n = -__n; |
| 101 |
|
| 102 |
return __dist.second > __dp_sign |
| 103 |
? __dist.first >= __n |
| 104 |
: !__strict && __dist.first > 0; |
| 105 |
} |
| 106 |
|
| 107 |
template<typename _Iterator, typename _Sequence, typename _Category> |
| 108 |
template<typename _Diff> |
| 109 |
bool |
| 110 |
_Safe_iterator<_Iterator, _Sequence, _Category>:: |
| 111 |
_M_can_advance(const std::pair<_Diff, _Distance_precision>& __dist, |
| 112 |
int __way) const |
| 113 |
{ |
| 114 |
return __dist.second == __dp_exact |
| 115 |
? _M_can_advance(__way * __dist.first) |
| 116 |
: _M_can_advance(__way * (__dist.first == 0 |
| 117 |
? 0 |
| 118 |
: __dist.first < 0 ? -1 : 1)); |
| 119 |
} |
| 120 |
|
| 121 |
template<typename _Iterator, typename _Sequence, typename _Category> |
| 122 |
typename _Distance_traits<_Iterator>::__type |
| 123 |
_Safe_iterator<_Iterator, _Sequence, _Category>:: |
| 124 |
_M_get_distance_to(const _Safe_iterator& __rhs) const |
| 125 |
{ |
| 126 |
typedef typename _Distance_traits<_Iterator>::__type _Dist; |
| 127 |
typedef _Sequence_traits<_Sequence> _SeqTraits; |
| 128 |
|
| 129 |
_Dist __base_dist = __get_distance(this->base(), __rhs.base()); |
| 130 |
if (__base_dist.second == __dp_exact) |
| 131 |
return __base_dist; |
| 132 |
|
| 133 |
_Dist __seq_dist = _SeqTraits::_S_size(*this->_M_get_sequence()); |
| 134 |
if (this->_M_is_before_begin()) |
| 135 |
{ |
| 136 |
if (__rhs._M_is_begin()) |
| 137 |
return std::make_pair(1, __dp_exact); |
| 138 |
|
| 139 |
return __seq_dist.second == __dp_exact |
| 140 |
? std::make_pair(__seq_dist.first + 1, __dp_exact) |
| 141 |
: __seq_dist; |
| 142 |
} |
| 143 |
|
| 144 |
if (this->_M_is_begin()) |
| 145 |
{ |
| 146 |
if (__rhs._M_is_before_begin()) |
| 147 |
return std::make_pair(-1, __dp_exact); |
| 148 |
|
| 149 |
if (__rhs._M_is_end()) |
| 150 |
return __seq_dist; |
| 151 |
|
| 152 |
return std::make_pair(__seq_dist.first, |
| 153 |
__seq_dist.second == __dp_exact |
| 154 |
? __dp_sign_max_size : __seq_dist.second); |
| 155 |
} |
| 156 |
|
| 157 |
if (this->_M_is_end()) |
| 158 |
{ |
| 159 |
if (__rhs._M_is_before_begin()) |
| 160 |
return __seq_dist.second == __dp_exact |
| 161 |
? std::make_pair(-__seq_dist.first - 1, __dp_exact) |
| 162 |
: std::make_pair(-__seq_dist.first, __dp_sign); |
| 163 |
|
| 164 |
if (__rhs._M_is_begin()) |
| 165 |
return std::make_pair(-__seq_dist.first, __seq_dist.second); |
| 166 |
|
| 167 |
return std::make_pair(-__seq_dist.first, |
| 168 |
__seq_dist.second == __dp_exact |
| 169 |
? __dp_sign_max_size : __seq_dist.second); |
| 170 |
} |
| 171 |
|
| 172 |
if (__rhs._M_is_before_begin()) |
| 173 |
return __seq_dist.second == __dp_exact |
| 174 |
? std::make_pair(__seq_dist.first - 1, __dp_exact) |
| 175 |
: std::make_pair(-__seq_dist.first, __dp_sign); |
| 176 |
|
| 177 |
if (__rhs._M_is_begin()) |
| 178 |
return std::make_pair(-__seq_dist.first, |
| 179 |
__seq_dist.second == __dp_exact |
| 180 |
? __dp_sign_max_size : __seq_dist.second); |
| 181 |
|
| 182 |
if (__rhs._M_is_end()) |
| 183 |
return std::make_pair(__seq_dist.first, |
| 184 |
__seq_dist.second == __dp_exact |
| 185 |
? __dp_sign_max_size : __seq_dist.second); |
| 186 |
|
| 187 |
return std::make_pair(1, __dp_equality); |
| 188 |
} |
| 189 |
|
| 190 |
template<typename _Iterator, typename _Sequence, typename _Category> |
| 191 |
bool |
| 192 |
_Safe_iterator<_Iterator, _Sequence, _Category>:: |
| 193 |
_M_valid_range(const _Safe_iterator& __rhs, |
| 194 |
std::pair<difference_type, _Distance_precision>& __dist, |
| 195 |
bool __check_dereferenceable) const |
| 196 |
{ |
| 197 |
if (_M_singular() || __rhs._M_singular() || !_M_can_compare(__rhs)) |
| 198 |
return false; |
| 199 |
|
| 200 |
/* Determine iterators order */ |
| 201 |
__dist = _M_get_distance_to(__rhs); |
| 202 |
if (__dist.second != __dp_equality) |
| 203 |
{ |
| 204 |
// If range is not empty first iterator must be dereferenceable. |
| 205 |
return __dist.first == 0 |
| 206 |
|| (__dist.first > 0 |
| 207 |
&& (!__check_dereferenceable || _M_dereferenceable())); |
| 208 |
} |
| 209 |
|
| 210 |
// Assume that this is a valid range; we can't check anything else. |
| 211 |
return true; |
| 212 |
} |
| 213 |
|
| 214 |
template<typename _Iterator, typename _Sequence> |
| 215 |
bool |
| 216 |
_Safe_iterator<_Iterator, _Sequence, std::random_access_iterator_tag>:: |
| 217 |
_M_valid_range(const _Safe_iterator& __rhs, |
| 218 |
std::pair<difference_type, |
| 219 |
_Distance_precision>& __dist) const |
| 220 |
{ |
| 221 |
if (this->_M_singular() || __rhs._M_singular() |
| 222 |
|| !this->_M_can_compare(__rhs)) |
| 223 |
return false; |
| 224 |
|
| 225 |
/* Determine iterators order */ |
| 226 |
__dist = std::make_pair(__rhs.base() - this->base(), __dp_exact); |
| 227 |
|
| 228 |
// If range is not empty first iterator must be dereferenceable. |
| 229 |
return __dist.first == 0 |
| 230 |
|| (__dist.first > 0 && this->_M_dereferenceable()); |
| 231 |
} |
| 232 |
} // namespace __gnu_debug |
| 233 |
|
| 234 |
namespace std _GLIBCXX_VISIBILITY(default) |
| 235 |
{ |
| 236 |
_GLIBCXX_BEGIN_NAMESPACE_VERSION |
| 237 |
|
| 238 |
template<typename _Ite, typename _Seq> |
| 239 |
_Ite |
| 240 |
__niter_base(const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, |
| 241 |
std::random_access_iterator_tag>& __it) |
| 242 |
{ return __it.base(); } |
| 243 |
|
| 244 |
template<bool _IsMove, |
| 245 |
typename _Ite, typename _Seq, typename _Cat, typename _OI> |
| 246 |
_OI |
| 247 |
__copy_move_a( |
| 248 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __first, |
| 249 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __last, |
| 250 |
_OI __result) |
| 251 |
{ |
| 252 |
typename ::__gnu_debug::_Distance_traits<_Ite>::__type __dist; |
| 253 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 254 |
__glibcxx_check_can_increment_dist(__result, __dist, 1); |
| 255 |
|
| 256 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 257 |
return std::__copy_move_a<_IsMove>(__first.base(), __last.base(), |
| 258 |
__result); |
| 259 |
|
| 260 |
return std::__copy_move_a1<_IsMove>(__first, __last, __result); |
| 261 |
} |
| 262 |
|
| 263 |
template<bool _IsMove, |
| 264 |
typename _II, typename _Ite, typename _Seq, typename _Cat> |
| 265 |
__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat> |
| 266 |
__copy_move_a(_II __first, _II __last, |
| 267 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __result) |
| 268 |
{ |
| 269 |
typename ::__gnu_debug::_Distance_traits<_II>::__type __dist; |
| 270 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 271 |
__glibcxx_check_can_increment_dist(__result, __dist, 1); |
| 272 |
|
| 273 |
if (__dist.second > ::__gnu_debug::__dp_sign |
| 274 |
&& __result._M_can_advance(__dist.first, true)) |
| 275 |
return ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>( |
| 276 |
std::__copy_move_a<_IsMove>(__first, __last, __result.base()), |
| 277 |
__result._M_sequence); |
| 278 |
|
| 279 |
return std::__copy_move_a1<_IsMove>(__first, __last, __result); |
| 280 |
} |
| 281 |
|
| 282 |
template<bool _IsMove, |
| 283 |
typename _IIte, typename _ISeq, typename _ICat, |
| 284 |
typename _OIte, typename _OSeq, typename _OCat> |
| 285 |
::__gnu_debug::_Safe_iterator<_OIte, _OSeq, _OCat> |
| 286 |
__copy_move_a( |
| 287 |
const ::__gnu_debug::_Safe_iterator<_IIte, _ISeq, _ICat>& __first, |
| 288 |
const ::__gnu_debug::_Safe_iterator<_IIte, _ISeq, _ICat>& __last, |
| 289 |
const ::__gnu_debug::_Safe_iterator<_OIte, _OSeq, _OCat>& __result) |
| 290 |
{ |
| 291 |
typename ::__gnu_debug::_Distance_traits<_IIte>::__type __dist; |
| 292 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 293 |
__glibcxx_check_can_increment_dist(__result, __dist, 1); |
| 294 |
|
| 295 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 296 |
{ |
| 297 |
if (__dist.second > ::__gnu_debug::__dp_sign |
| 298 |
&& __result._M_can_advance(__dist.first, true)) |
| 299 |
return ::__gnu_debug::_Safe_iterator<_OIte, _OSeq, _OCat>( |
| 300 |
std::__copy_move_a<_IsMove>(__first.base(), __last.base(), |
| 301 |
__result.base()), |
| 302 |
__result._M_sequence); |
| 303 |
|
| 304 |
return std::__copy_move_a<_IsMove>(__first.base(), __last.base(), |
| 305 |
__result); |
| 306 |
} |
| 307 |
|
| 308 |
return std::__copy_move_a1<_IsMove>(__first, __last, __result); |
| 309 |
} |
| 310 |
|
| 311 |
template<bool _IsMove, |
| 312 |
typename _Ite, typename _Seq, typename _Cat, typename _OI> |
| 313 |
_OI |
| 314 |
__copy_move_backward_a( |
| 315 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __first, |
| 316 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __last, |
| 317 |
_OI __result) |
| 318 |
{ |
| 319 |
typename ::__gnu_debug::_Distance_traits<_Ite>::__type __dist; |
| 320 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 321 |
__glibcxx_check_can_increment_dist(__result, __dist, -1); |
| 322 |
|
| 323 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 324 |
return std::__copy_move_backward_a<_IsMove>( |
| 325 |
__first.base(), __last.base(), __result); |
| 326 |
|
| 327 |
return std::__copy_move_backward_a1<_IsMove>(__first, __last, __result); |
| 328 |
} |
| 329 |
|
| 330 |
template<bool _IsMove, |
| 331 |
typename _II, typename _Ite, typename _Seq, typename _Cat> |
| 332 |
__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat> |
| 333 |
__copy_move_backward_a(_II __first, _II __last, |
| 334 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __result) |
| 335 |
{ |
| 336 |
typename ::__gnu_debug::_Distance_traits<_II>::__type __dist; |
| 337 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 338 |
__glibcxx_check_can_increment_dist(__result, __dist, -1); |
| 339 |
|
| 340 |
if (__dist.second > ::__gnu_debug::__dp_sign |
| 341 |
&& __result._M_can_advance(-__dist.first, true)) |
| 342 |
return ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>( |
| 343 |
std::__copy_move_backward_a<_IsMove>(__first, __last, |
| 344 |
__result.base()), |
| 345 |
__result._M_sequence); |
| 346 |
|
| 347 |
return std::__copy_move_backward_a1<_IsMove>(__first, __last, __result); |
| 348 |
} |
| 349 |
|
| 350 |
template<bool _IsMove, |
| 351 |
typename _IIte, typename _ISeq, typename _ICat, |
| 352 |
typename _OIte, typename _OSeq, typename _OCat> |
| 353 |
::__gnu_debug::_Safe_iterator<_OIte, _OSeq, _OCat> |
| 354 |
__copy_move_backward_a( |
| 355 |
const ::__gnu_debug::_Safe_iterator<_IIte, _ISeq, _ICat>& __first, |
| 356 |
const ::__gnu_debug::_Safe_iterator<_IIte, _ISeq, _ICat>& __last, |
| 357 |
const ::__gnu_debug::_Safe_iterator<_OIte, _OSeq, _OCat>& __result) |
| 358 |
{ |
| 359 |
typename ::__gnu_debug::_Distance_traits<_IIte>::__type __dist; |
| 360 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 361 |
__glibcxx_check_can_increment_dist(__result, __dist, -1); |
| 362 |
|
| 363 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 364 |
{ |
| 365 |
if (__dist.second > ::__gnu_debug::__dp_sign |
| 366 |
&& __result._M_can_advance(-__dist.first, true)) |
| 367 |
return ::__gnu_debug::_Safe_iterator<_OIte, _OSeq, _OCat>( |
| 368 |
std::__copy_move_backward_a<_IsMove>(__first.base(), __last.base(), |
| 369 |
__result.base()), |
| 370 |
__result._M_sequence); |
| 371 |
|
| 372 |
return std::__copy_move_backward_a<_IsMove>( |
| 373 |
__first.base(), __last.base(), __result); |
| 374 |
} |
| 375 |
|
| 376 |
return std::__copy_move_backward_a1<_IsMove>(__first, __last, __result); |
| 377 |
} |
| 378 |
|
| 379 |
template<typename _Ite, typename _Seq, typename _Cat, typename _Tp> |
| 380 |
void |
| 381 |
__fill_a(const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __first, |
| 382 |
const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __last, |
| 383 |
const _Tp& __value) |
| 384 |
{ |
| 385 |
typename ::__gnu_debug::_Distance_traits<_Ite>::__type __dist; |
| 386 |
__glibcxx_check_valid_range2(__first, __last, __dist); |
| 387 |
|
| 388 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 389 |
std::__fill_a(__first.base(), __last.base(), __value); |
| 390 |
|
| 391 |
std::__fill_a1(__first, __last, __value); |
| 392 |
} |
| 393 |
|
| 394 |
template<typename _Ite, typename _Seq, typename _Cat, typename _Size, |
| 395 |
typename _Tp> |
| 396 |
::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat> |
| 397 |
__fill_n_a(const ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>& __first, |
| 398 |
_Size __n, const _Tp& __value, |
| 399 |
std::input_iterator_tag) |
| 400 |
{ |
| 401 |
#if __cplusplus >= 201103L |
| 402 |
static_assert(is_integral<_Size>{}, "fill_n must pass integral size"); |
| 403 |
#endif |
| 404 |
|
| 405 |
if (__n <= 0) |
| 406 |
return __first; |
| 407 |
|
| 408 |
__glibcxx_check_can_increment(__first, __n); |
| 409 |
if (__first._M_can_advance(__n, true)) |
| 410 |
return ::__gnu_debug::_Safe_iterator<_Ite, _Seq, _Cat>( |
| 411 |
std::__fill_n_a(__first.base(), __n, __value, _Cat()), |
| 412 |
__first._M_sequence); |
| 413 |
|
| 414 |
return std::__fill_n_a1(__first, __n, __value); |
| 415 |
} |
| 416 |
|
| 417 |
template<typename _II1, typename _Seq1, typename _Cat1, typename _II2> |
| 418 |
bool |
| 419 |
__equal_aux( |
| 420 |
const ::__gnu_debug::_Safe_iterator<_II1, _Seq1, _Cat1>& __first1, |
| 421 |
const ::__gnu_debug::_Safe_iterator<_II1, _Seq1, _Cat1>& __last1, |
| 422 |
_II2 __first2) |
| 423 |
{ |
| 424 |
typename ::__gnu_debug::_Distance_traits<_II1>::__type __dist; |
| 425 |
__glibcxx_check_valid_range2(__first1, __last1, __dist); |
| 426 |
__glibcxx_check_can_increment_dist(__first2, __dist, 1); |
| 427 |
|
| 428 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 429 |
return std::__equal_aux(__first1.base(), __last1.base(), __first2); |
| 430 |
|
| 431 |
return std::__equal_aux1(__first1, __last1, __first2); |
| 432 |
} |
| 433 |
|
| 434 |
template<typename _II1, typename _II2, typename _Seq2, typename _Cat2> |
| 435 |
bool |
| 436 |
__equal_aux(_II1 __first1, _II1 __last1, |
| 437 |
const ::__gnu_debug::_Safe_iterator<_II2, _Seq2, _Cat2>& __first2) |
| 438 |
{ |
| 439 |
typename ::__gnu_debug::_Distance_traits<_II1>::__type __dist; |
| 440 |
__glibcxx_check_valid_range2(__first1, __last1, __dist); |
| 441 |
__glibcxx_check_can_increment_dist(__first2, __dist, 1); |
| 442 |
|
| 443 |
if (__dist.second > ::__gnu_debug::__dp_sign |
| 444 |
&& __first2._M_can_advance(__dist.first, true)) |
| 445 |
return std::__equal_aux(__first1, __last1, __first2.base()); |
| 446 |
|
| 447 |
return std::__equal_aux1(__first1, __last1, __first2); |
| 448 |
} |
| 449 |
|
| 450 |
template<typename _II1, typename _Seq1, typename _Cat1, |
| 451 |
typename _II2, typename _Seq2, typename _Cat2> |
| 452 |
bool |
| 453 |
__equal_aux( |
| 454 |
const ::__gnu_debug::_Safe_iterator<_II1, _Seq1, _Cat1>& __first1, |
| 455 |
const ::__gnu_debug::_Safe_iterator<_II1, _Seq1, _Cat1>& __last1, |
| 456 |
const ::__gnu_debug::_Safe_iterator<_II2, _Seq2, _Cat2>& __first2) |
| 457 |
{ |
| 458 |
typename ::__gnu_debug::_Distance_traits<_II1>::__type __dist; |
| 459 |
__glibcxx_check_valid_range2(__first1, __last1, __dist); |
| 460 |
__glibcxx_check_can_increment_dist(__first2, __dist, 1); |
| 461 |
|
| 462 |
if (__dist.second > ::__gnu_debug::__dp_equality) |
| 463 |
{ |
| 464 |
if (__dist.second > ::__gnu_debug::__dp_sign && |
| 465 |
__first2._M_can_advance(__dist.first, true)) |
| 466 |
return std::__equal_aux(__first1.base(), __last1.base(), |
| 467 |
__first2.base()); |
| 468 |
return std::__equal_aux(__first1.base(), __last1.base(), __first2); |
| 469 |
} |
| 470 |
|
| 471 |
return __equal_aux1(__first1, __last1, __first2); |
| 472 |
} |
| 473 |
|
| 474 |
template<typename _Ite1, typename _Seq1, typename _Cat1, |
| 475 |
typename _II2> |
| 476 |
bool |
| 477 |
__lexicographical_compare_aux( |
| 478 |
const ::__gnu_debug::_Safe_iterator<_Ite1, _Seq1, _Cat1>& __first1, |
| 479 |
const ::__gnu_debug::_Safe_iterator<_Ite1, _Seq1, _Cat1>& __last1, |
| 480 |
_II2 __first2, _II2 __last2) |
| 481 |
{ |
| 482 |
typename ::__gnu_debug::_Distance_traits<_Ite1>::__type __dist1; |
| 483 |
__glibcxx_check_valid_range2(__first1, __last1, __dist1); |
| 484 |
__glibcxx_check_valid_range(__first2, __last2); |
| 485 |
|
| 486 |
if (__dist1.second > ::__gnu_debug::__dp_equality) |
| 487 |
return std::__lexicographical_compare_aux(__first1.base(), |
| 488 |
__last1.base(), |
| 489 |
__first2, __last2); |
| 490 |
return std::__lexicographical_compare_aux1(__first1, __last1, |
| 491 |
__first2, __last2); |
| 492 |
} |
| 493 |
|
| 494 |
template<typename _II1, |
| 495 |
typename _Ite2, typename _Seq2, typename _Cat2> |
| 496 |
bool |
| 497 |
__lexicographical_compare_aux( |
| 498 |
_II1 __first1, _II1 __last1, |
| 499 |
const ::__gnu_debug::_Safe_iterator<_Ite2, _Seq2, _Cat2>& __first2, |
| 500 |
const ::__gnu_debug::_Safe_iterator<_Ite2, _Seq2, _Cat2>& __last2) |
| 501 |
{ |
| 502 |
__glibcxx_check_valid_range(__first1, __last1); |
| 503 |
typename ::__gnu_debug::_Distance_traits<_II1>::__type __dist2; |
| 504 |
__glibcxx_check_valid_range2(__first2, __last2, __dist2); |
| 505 |
|
| 506 |
if (__dist2.second > ::__gnu_debug::__dp_equality) |
| 507 |
return std::__lexicographical_compare_aux(__first1, __last1, |
| 508 |
__first2.base(), |
| 509 |
__last2.base()); |
| 510 |
return std::__lexicographical_compare_aux1(__first1, __last1, |
| 511 |
__first2, __last2); |
| 512 |
} |
| 513 |
|
| 514 |
template<typename _Ite1, typename _Seq1, typename _Cat1, |
| 515 |
typename _Ite2, typename _Seq2, typename _Cat2> |
| 516 |
bool |
| 517 |
__lexicographical_compare_aux( |
| 518 |
const ::__gnu_debug::_Safe_iterator<_Ite1, _Seq1, _Cat1>& __first1, |
| 519 |
const ::__gnu_debug::_Safe_iterator<_Ite1, _Seq1, _Cat1>& __last1, |
| 520 |
const ::__gnu_debug::_Safe_iterator<_Ite2, _Seq2, _Cat2>& __first2, |
| 521 |
const ::__gnu_debug::_Safe_iterator<_Ite2, _Seq2, _Cat2>& __last2) |
| 522 |
{ |
| 523 |
typename ::__gnu_debug::_Distance_traits<_Ite1>::__type __dist1; |
| 524 |
__glibcxx_check_valid_range2(__first1, __last1, __dist1); |
| 525 |
typename ::__gnu_debug::_Distance_traits<_Ite2>::__type __dist2; |
| 526 |
__glibcxx_check_valid_range2(__first2, __last2, __dist2); |
| 527 |
|
| 528 |
if (__dist1.second > ::__gnu_debug::__dp_equality) |
| 529 |
{ |
| 530 |
if (__dist2.second > ::__gnu_debug::__dp_equality) |
| 531 |
return std::__lexicographical_compare_aux(__first1.base(), |
| 532 |
__last1.base(), |
| 533 |
__first2.base(), |
| 534 |
__last2.base()); |
| 535 |
return std::__lexicographical_compare_aux(__first1.base(), |
| 536 |
__last1.base(), |
| 537 |
__first2, __last2); |
| 538 |
} |
| 539 |
|
| 540 |
if (__dist2.second > ::__gnu_debug::__dp_equality) |
| 541 |
return std::__lexicographical_compare_aux(__first1, __last1, |
| 542 |
__first2.base(), |
| 543 |
__last2.base()); |
| 544 |
return std::__lexicographical_compare_aux1(__first1, __last1, |
| 545 |
__first2, __last2); |
| 546 |
} |
| 547 |
|
| 548 |
_GLIBCXX_END_NAMESPACE_VERSION |
| 549 |
} // namespace std |
| 550 |
|
| 551 |
#endif |
