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00029 #ifndef _GLIBCXX_DEBUG_FORWARD_LIST
00030 #define _GLIBCXX_DEBUG_FORWARD_LIST 1
00031
00032 #pragma GCC system_header
00033
00034 #include <forward_list>
00035 #include <debug/safe_sequence.h>
00036 #include <debug/safe_iterator.h>
00037
00038 namespace std _GLIBCXX_VISIBILITY(default)
00039 {
00040 namespace __debug
00041 {
00042
00043 template<typename _Tp, typename _Alloc = std::allocator<_Tp> >
00044 class forward_list
00045 : public _GLIBCXX_STD_C::forward_list<_Tp, _Alloc>,
00046 public __gnu_debug::_Safe_sequence<forward_list<_Tp, _Alloc> >
00047 {
00048 typedef _GLIBCXX_STD_C::forward_list<_Tp, _Alloc> _Base;
00049 typedef __gnu_debug::_Safe_sequence<forward_list> _Safe_base;
00050
00051 typedef typename _Base::iterator _Base_iterator;
00052 typedef typename _Base::const_iterator _Base_const_iterator;
00053 public:
00054 typedef typename _Base::reference reference;
00055 typedef typename _Base::const_reference const_reference;
00056
00057 typedef __gnu_debug::_Safe_iterator<_Base_iterator,
00058 forward_list> iterator;
00059 typedef __gnu_debug::_Safe_iterator<_Base_const_iterator,
00060 forward_list> const_iterator;
00061
00062 typedef typename _Base::size_type size_type;
00063 typedef typename _Base::difference_type difference_type;
00064
00065 typedef _Tp value_type;
00066 typedef _Alloc allocator_type;
00067 typedef typename _Base::pointer pointer;
00068 typedef typename _Base::const_pointer const_pointer;
00069
00070
00071 explicit
00072 forward_list(const _Alloc& __al = _Alloc())
00073 : _Base(__al) { }
00074
00075 forward_list(const forward_list& __list, const _Alloc& __al)
00076 : _Base(__list, __al)
00077 { }
00078
00079 forward_list(forward_list&& __list, const _Alloc& __al)
00080 : _Base(std::move(__list._M_base()), __al)
00081 {
00082 this->_M_swap(__list);
00083 }
00084
00085 explicit
00086 forward_list(size_type __n)
00087 : _Base(__n)
00088 { }
00089
00090 forward_list(size_type __n, const _Tp& __value,
00091 const _Alloc& __al = _Alloc())
00092 : _Base(__n, __value, __al)
00093 { }
00094
00095 template<typename _InputIterator>
00096 forward_list(_InputIterator __first, _InputIterator __last,
00097 const _Alloc& __al = _Alloc())
00098 : _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
00099 __last)),
00100 __gnu_debug::__base(__last), __al)
00101 { }
00102
00103 forward_list(const forward_list& __list)
00104 : _Base(__list)
00105 { }
00106
00107 forward_list(forward_list&& __list)
00108 : _Base(std::move(__list._M_base()))
00109 {
00110 this->_M_swap(__list);
00111 }
00112
00113 forward_list(std::initializer_list<_Tp> __il,
00114 const _Alloc& __al = _Alloc())
00115 : _Base(__il, __al)
00116 { }
00117
00118 ~forward_list()
00119 { }
00120
00121 forward_list&
00122 operator=(const forward_list& __list)
00123 {
00124 static_cast<_Base&>(*this) = __list;
00125 this->_M_invalidate_all();
00126 return *this;
00127 }
00128
00129 forward_list&
00130 operator=(forward_list&& __list)
00131 {
00132
00133
00134 clear();
00135 swap(__list);
00136 return *this;
00137 }
00138
00139 forward_list&
00140 operator=(std::initializer_list<_Tp> __il)
00141 {
00142 static_cast<_Base&>(*this) = __il;
00143 this->_M_invalidate_all();
00144 return *this;
00145 }
00146
00147 template<typename _InputIterator>
00148 void
00149 assign(_InputIterator __first, _InputIterator __last)
00150 {
00151 __glibcxx_check_valid_range(__first, __last);
00152 _Base::assign(__gnu_debug::__base(__first),
00153 __gnu_debug::__base(__last));
00154 this->_M_invalidate_all();
00155 }
00156
00157 void
00158 assign(size_type __n, const _Tp& __val)
00159 {
00160 _Base::assign(__n, __val);
00161 this->_M_invalidate_all();
00162 }
00163
00164 void
00165 assign(std::initializer_list<_Tp> __il)
00166 {
00167 _Base::assign(__il);
00168 this->_M_invalidate_all();
00169 }
00170
00171 using _Base::get_allocator;
00172
00173
00174
00175 iterator
00176 before_begin()
00177 { return iterator(_Base::before_begin(), this); }
00178
00179 const_iterator
00180 before_begin() const
00181 { return const_iterator(_Base::before_begin(), this); }
00182
00183 iterator
00184 begin()
00185 { return iterator(_Base::begin(), this); }
00186
00187 const_iterator
00188 begin() const
00189 { return const_iterator(_Base::begin(), this); }
00190
00191 iterator
00192 end()
00193 { return iterator(_Base::end(), this); }
00194
00195 const_iterator
00196 end() const
00197 { return const_iterator(_Base::end(), this); }
00198
00199 const_iterator
00200 cbegin() const
00201 { return const_iterator(_Base::cbegin(), this); }
00202
00203 const_iterator
00204 cbefore_begin() const
00205 { return const_iterator(_Base::cbefore_begin(), this); }
00206
00207 const_iterator
00208 cend() const
00209 { return const_iterator(_Base::cend(), this); }
00210
00211 using _Base::empty;
00212 using _Base::max_size;
00213
00214
00215
00216 reference
00217 front()
00218 {
00219 __glibcxx_check_nonempty();
00220 return _Base::front();
00221 }
00222
00223 const_reference
00224 front() const
00225 {
00226 __glibcxx_check_nonempty();
00227 return _Base::front();
00228 }
00229
00230
00231
00232 using _Base::emplace_front;
00233 using _Base::push_front;
00234
00235 void
00236 pop_front()
00237 {
00238 __glibcxx_check_nonempty();
00239 this->_M_invalidate_if([this](_Base_const_iterator __it)
00240 { return __it == this->_M_base().cbegin(); });
00241 _Base::pop_front();
00242 }
00243
00244 template<typename... _Args>
00245 iterator
00246 emplace_after(const_iterator __pos, _Args&&... __args)
00247 {
00248 __glibcxx_check_insert_after(__pos);
00249 return iterator(_Base::emplace_after(__pos.base(),
00250 std::forward<_Args>(__args)...),
00251 this);
00252 }
00253
00254 iterator
00255 insert_after(const_iterator __pos, const _Tp& __val)
00256 {
00257 __glibcxx_check_insert_after(__pos);
00258 return iterator(_Base::insert_after(__pos.base(), __val), this);
00259 }
00260
00261 iterator
00262 insert_after(const_iterator __pos, _Tp&& __val)
00263 {
00264 __glibcxx_check_insert_after(__pos);
00265 return iterator(_Base::insert_after(__pos.base(), std::move(__val)),
00266 this);
00267 }
00268
00269 iterator
00270 insert_after(const_iterator __pos, size_type __n, const _Tp& __val)
00271 {
00272 __glibcxx_check_insert_after(__pos);
00273 return iterator(_Base::insert_after(__pos.base(), __n, __val),
00274 this);
00275 }
00276
00277 template<typename _InputIterator>
00278 iterator
00279 insert_after(const_iterator __pos,
00280 _InputIterator __first, _InputIterator __last)
00281 {
00282 __glibcxx_check_insert_range_after(__pos, __first, __last);
00283 return iterator(_Base::insert_after(__pos.base(),
00284 __gnu_debug::__base(__first),
00285 __gnu_debug::__base(__last)),
00286 this);
00287 }
00288
00289 iterator
00290 insert_after(const_iterator __pos, std::initializer_list<_Tp> __il)
00291 {
00292 __glibcxx_check_insert_after(__pos);
00293 return iterator(_Base::insert_after(__pos.base(), __il), this);
00294 }
00295
00296 private:
00297 _Base_iterator
00298 _M_erase_after(_Base_const_iterator __pos)
00299 {
00300 _Base_const_iterator __next = std::next(__pos);
00301 this->_M_invalidate_if([__next](_Base_const_iterator __it)
00302 { return __it == __next; });
00303 return _Base::erase_after(__pos);
00304 }
00305 public:
00306 iterator
00307 erase_after(const_iterator __pos)
00308 {
00309 __glibcxx_check_erase_after(__pos);
00310 return iterator(_M_erase_after(__pos.base()), this);
00311 }
00312
00313 iterator
00314 erase_after(const_iterator __pos, const_iterator __last)
00315 {
00316 __glibcxx_check_erase_range_after(__pos, __last);
00317 for (_Base_const_iterator __victim = std::next(__pos.base());
00318 __victim != __last.base(); ++__victim)
00319 {
00320 _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(),
00321 _M_message(__gnu_debug::__msg_valid_range2)
00322 ._M_sequence(*this, "this")
00323 ._M_iterator(__pos, "pos")
00324 ._M_iterator(__last, "last"));
00325 this->_M_invalidate_if([__victim](_Base_const_iterator __it)
00326 { return __it == __victim; });
00327 }
00328 return iterator(_Base::erase_after(__pos.base(), __last.base()), this);
00329 }
00330
00331 void
00332 swap(forward_list& __list)
00333 {
00334 _Base::swap(__list);
00335 this->_M_swap(__list);
00336 }
00337
00338 void
00339 resize(size_type __sz)
00340 {
00341 this->_M_detach_singular();
00342
00343
00344 _Base_iterator __victim = _Base::begin();
00345 _Base_iterator __end = _Base::end();
00346 for (size_type __i = __sz; __victim != __end && __i > 0; --__i)
00347 ++__victim;
00348
00349 for (; __victim != __end; ++__victim)
00350 {
00351 this->_M_invalidate_if([__victim](_Base_const_iterator __it)
00352 { return __it == __victim; });
00353 }
00354
00355 __try
00356 {
00357 _Base::resize(__sz);
00358 }
00359 __catch(...)
00360 {
00361 this->_M_revalidate_singular();
00362 __throw_exception_again;
00363 }
00364 }
00365
00366 void
00367 resize(size_type __sz, const value_type& __val)
00368 {
00369 this->_M_detach_singular();
00370
00371
00372 _Base_iterator __victim = _Base::begin();
00373 _Base_iterator __end = _Base::end();
00374 for (size_type __i = __sz; __victim != __end && __i > 0; --__i)
00375 ++__victim;
00376
00377 for (; __victim != __end; ++__victim)
00378 {
00379 this->_M_invalidate_if([__victim](_Base_const_iterator __it)
00380 { return __it == __victim; });
00381 }
00382
00383 __try
00384 {
00385 _Base::resize(__sz, __val);
00386 }
00387 __catch(...)
00388 {
00389 this->_M_revalidate_singular();
00390 __throw_exception_again;
00391 }
00392 }
00393
00394 void
00395 clear()
00396 {
00397 _Base::clear();
00398 this->_M_invalidate_all();
00399 }
00400
00401
00402 void
00403 splice_after(const_iterator __pos, forward_list&& __list)
00404 {
00405 __glibcxx_check_insert_after(__pos);
00406 _GLIBCXX_DEBUG_VERIFY(&__list != this,
00407 _M_message(__gnu_debug::__msg_self_splice)
00408 ._M_sequence(*this, "this"));
00409 this->_M_transfer_from_if(__list, [&__list](_Base_const_iterator __it)
00410 {
00411 return __it != __list._M_base().cbefore_begin()
00412 && __it != __list._M_base().end();
00413 });
00414 _Base::splice_after(__pos.base(), std::move(__list._M_base()));
00415 }
00416
00417 void
00418 splice_after(const_iterator __pos, forward_list&& __list,
00419 const_iterator __i)
00420 {
00421 __glibcxx_check_insert_after(__pos);
00422 _GLIBCXX_DEBUG_VERIFY(__i._M_before_dereferenceable(),
00423 _M_message(__gnu_debug::__msg_splice_bad)
00424 ._M_iterator(__i, "__i"));
00425 _GLIBCXX_DEBUG_VERIFY(__i._M_attached_to(&__list),
00426 _M_message(__gnu_debug::__msg_splice_other)
00427 ._M_iterator(__i, "__i")
00428 ._M_sequence(__list, "__list"));
00429
00430
00431
00432 _Base_const_iterator __next = std::next(__i.base());
00433 this->_M_transfer_from_if(__list, [__next](_Base_const_iterator __it)
00434 { return __it == __next; });
00435 _Base::splice_after(__pos.base(), std::move(__list._M_base()),
00436 __i.base());
00437 }
00438
00439 void
00440 splice_after(const_iterator __pos, forward_list&& __list,
00441 const_iterator __before, const_iterator __last)
00442 {
00443 __glibcxx_check_insert_after(__pos);
00444 __glibcxx_check_valid_range(__before, __last);
00445 _GLIBCXX_DEBUG_VERIFY(__before._M_attached_to(&__list),
00446 _M_message(__gnu_debug::__msg_splice_other)
00447 ._M_sequence(__list, "list")
00448 ._M_iterator(__before, "before"));
00449 _GLIBCXX_DEBUG_VERIFY(__before._M_dereferenceable()
00450 || __before._M_is_before_begin(),
00451 _M_message(__gnu_debug::__msg_valid_range2)
00452 ._M_sequence(__list, "list")
00453 ._M_iterator(__before, "before")
00454 ._M_iterator(__last, "last"));
00455 _GLIBCXX_DEBUG_VERIFY(__before != __last,
00456 _M_message(__gnu_debug::__msg_valid_range2)
00457 ._M_sequence(__list, "list")
00458 ._M_iterator(__before, "before")
00459 ._M_iterator(__last, "last"));
00460
00461 for (_Base_const_iterator __tmp = std::next(__before.base());
00462 __tmp != __last.base(); ++__tmp)
00463 {
00464 _GLIBCXX_DEBUG_VERIFY(__tmp != __list._M_base().end(),
00465 _M_message(__gnu_debug::__msg_valid_range2)
00466 ._M_sequence(__list, "list")
00467 ._M_iterator(__before, "before")
00468 ._M_iterator(__last, "last"));
00469 _GLIBCXX_DEBUG_VERIFY(&__list != this || __tmp != __pos.base(),
00470 _M_message(__gnu_debug::__msg_splice_overlap)
00471 ._M_iterator(__tmp, "position")
00472 ._M_iterator(__before, "before")
00473 ._M_iterator(__last, "last"));
00474
00475
00476 this->_M_transfer_from_if(__list, [__tmp](_Base_const_iterator __it)
00477 { return __it == __tmp; });
00478 }
00479
00480 _Base::splice_after(__pos.base(), std::move(__list._M_base()),
00481 __before.base(), __last.base());
00482 }
00483
00484 void
00485 remove(const _Tp& __val)
00486 {
00487 _Base_iterator __x = _Base::before_begin();
00488 _Base_iterator __old = __x++;
00489 while (__x != _Base::end())
00490 {
00491 if (*__x == __val)
00492 __x = _M_erase_after(__old);
00493 else
00494 __old = __x++;
00495 }
00496 }
00497
00498 template<typename _Pred>
00499 void
00500 remove_if(_Pred __pred)
00501 {
00502 _Base_iterator __x = _Base::before_begin();
00503 _Base_iterator __old = __x++;
00504 while (__x != _Base::end())
00505 {
00506 if (__pred(*__x))
00507 __x = _M_erase_after(__old);
00508 else
00509 __old = __x++;
00510 }
00511 }
00512
00513 void
00514 unique()
00515 {
00516 _Base_iterator __first = _Base::begin();
00517 _Base_iterator __last = _Base::end();
00518 if (__first == __last)
00519 return;
00520 _Base_iterator __next = std::next(__first);
00521 while (__next != __last)
00522 {
00523 if (*__first == *__next)
00524 __next = _M_erase_after(__first);
00525 else
00526 __first = __next++;
00527 }
00528 }
00529
00530 template<typename _BinPred>
00531 void
00532 unique(_BinPred __binary_pred)
00533 {
00534 _Base_iterator __first = _Base::begin();
00535 _Base_iterator __last = _Base::end();
00536 if (__first == __last)
00537 return;
00538 _Base_iterator __next = std::next(__first);
00539 while (__next != __last)
00540 {
00541 if (__binary_pred(*__first, *__next))
00542 __next = _M_erase_after(__first);
00543 else
00544 __first = __next++;
00545 }
00546 }
00547
00548 void
00549 merge(forward_list&& __list)
00550 {
00551 if (this != &__list)
00552 {
00553 __glibcxx_check_sorted(_Base::begin(), _Base::end());
00554 __glibcxx_check_sorted(__list._M_base().begin(),
00555 __list._M_base().end());
00556 this->_M_transfer_from_if(__list, [&__list](_Base_const_iterator __it)
00557 {
00558 return __it != __list._M_base().cbefore_begin()
00559 && __it != __list._M_base().cend();
00560 });
00561 _Base::merge(std::move(__list._M_base()));
00562 }
00563 }
00564
00565 template<typename _Comp>
00566 void
00567 merge(forward_list&& __list, _Comp __comp)
00568 {
00569 if (this != &__list)
00570 {
00571 __glibcxx_check_sorted_pred(_Base::begin(), _Base::end(), __comp);
00572 __glibcxx_check_sorted_pred(__list._M_base().begin(),
00573 __list._M_base().end(), __comp);
00574 this->_M_transfer_from_if(__list,
00575 [&__list](_Base_const_iterator __it)
00576 {
00577 return __it != __list._M_base().cbefore_begin()
00578 && __it != __list._M_base().cend();
00579 });
00580 _Base::merge(std::move(__list._M_base()), __comp);
00581 }
00582 }
00583
00584 using _Base::sort;
00585 using _Base::reverse;
00586
00587 _Base&
00588 _M_base() { return *this; }
00589
00590 const _Base&
00591 _M_base() const { return *this; }
00592
00593 private:
00594 void
00595 _M_invalidate_all()
00596 {
00597 this->_M_invalidate_if([this](_Base_const_iterator __it)
00598 {
00599 return __it != this->_M_base().cbefore_begin()
00600 && __it != this->_M_base().cend();
00601 });
00602 }
00603 typedef __gnu_debug::_Safe_iterator_base _Safe_iterator_base;
00604 static void
00605 _M_swap_aux(forward_list& __lhs,
00606 _Safe_iterator_base*& __lhs_iterators,
00607 forward_list& __rhs,
00608 _Safe_iterator_base*& __rhs_iterators);
00609 void _M_swap(forward_list& __list);
00610 };
00611
00612 template<typename _Tp, typename _Alloc>
00613 void
00614 forward_list<_Tp, _Alloc>::
00615 _M_swap_aux(forward_list<_Tp, _Alloc>& __lhs,
00616 __gnu_debug::_Safe_iterator_base*& __lhs_iterators,
00617 forward_list<_Tp, _Alloc>& __rhs,
00618 __gnu_debug::_Safe_iterator_base*& __rhs_iterators)
00619 {
00620 using __gnu_debug::_Safe_iterator_base;
00621 _Safe_iterator_base* __bbegin_its = 0;
00622 _Safe_iterator_base* __last_bbegin = 0;
00623 for (_Safe_iterator_base* __iter = __lhs_iterators; __iter;)
00624 {
00625
00626 const_iterator* __victim = static_cast<const_iterator*>(__iter);
00627 __iter = __iter->_M_next;
00628 if (__victim->base() == __rhs._M_base().cbefore_begin())
00629 {
00630 __victim->_M_unlink();
00631 if (__lhs_iterators == __victim)
00632 __lhs_iterators = __victim->_M_next;
00633 if (__bbegin_its)
00634 {
00635 __victim->_M_next = __bbegin_its;
00636 __bbegin_its->_M_prior = __victim;
00637 }
00638 else
00639 __last_bbegin = __victim;
00640 __bbegin_its = __victim;
00641 }
00642 else
00643 __victim->_M_sequence = &__lhs;
00644 }
00645
00646 if (__bbegin_its)
00647 {
00648 if (__rhs_iterators)
00649 {
00650 __rhs_iterators->_M_prior = __last_bbegin;
00651 __last_bbegin->_M_next = __rhs_iterators;
00652 }
00653 __rhs_iterators = __bbegin_its;
00654 }
00655 }
00656
00657
00658
00659 template<typename _Tp, typename _Alloc>
00660 void
00661 forward_list<_Tp, _Alloc>::
00662 _M_swap(forward_list<_Tp, _Alloc>& __list)
00663 {
00664 __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
00665 std::swap(this->_M_iterators, __list._M_iterators);
00666 std::swap(this->_M_const_iterators, __list._M_const_iterators);
00667
00668
00669 _Safe_iterator_base* __this_its = this->_M_iterators;
00670 _M_swap_aux(__list, __list._M_iterators, *this, this->_M_iterators);
00671 _Safe_iterator_base* __this_const_its = this->_M_const_iterators;
00672 _M_swap_aux(__list, __list._M_const_iterators, *this, this->_M_const_iterators);
00673 _M_swap_aux(*this, __this_its, __list, __list._M_iterators);
00674 _M_swap_aux(*this, __this_const_its, __list, __list._M_const_iterators);
00675 }
00676
00677 template<typename _Tp, typename _Alloc>
00678 bool
00679 operator==(const forward_list<_Tp, _Alloc>& __lx,
00680 const forward_list<_Tp, _Alloc>& __ly)
00681 { return __lx._M_base() == __ly._M_base(); }
00682
00683 template<typename _Tp, typename _Alloc>
00684 inline bool
00685 operator<(const forward_list<_Tp, _Alloc>& __lx,
00686 const forward_list<_Tp, _Alloc>& __ly)
00687 { return __lx._M_base() < __ly._M_base(); }
00688
00689 template<typename _Tp, typename _Alloc>
00690 inline bool
00691 operator!=(const forward_list<_Tp, _Alloc>& __lx,
00692 const forward_list<_Tp, _Alloc>& __ly)
00693 { return !(__lx == __ly); }
00694
00695
00696 template<typename _Tp, typename _Alloc>
00697 inline bool
00698 operator>(const forward_list<_Tp, _Alloc>& __lx,
00699 const forward_list<_Tp, _Alloc>& __ly)
00700 { return (__ly < __lx); }
00701
00702
00703 template<typename _Tp, typename _Alloc>
00704 inline bool
00705 operator>=(const forward_list<_Tp, _Alloc>& __lx,
00706 const forward_list<_Tp, _Alloc>& __ly)
00707 { return !(__lx < __ly); }
00708
00709
00710 template<typename _Tp, typename _Alloc>
00711 inline bool
00712 operator<=(const forward_list<_Tp, _Alloc>& __lx,
00713 const forward_list<_Tp, _Alloc>& __ly)
00714 { return !(__ly < __lx); }
00715
00716
00717 template<typename _Tp, typename _Alloc>
00718 inline void
00719 swap(forward_list<_Tp, _Alloc>& __lx,
00720 forward_list<_Tp, _Alloc>& __ly)
00721 { __lx.swap(__ly); }
00722
00723 }
00724 }
00725
00726 namespace __gnu_debug
00727 {
00728 template<class _Tp, class _Alloc>
00729 struct _BeforeBeginHelper<std::__debug::forward_list<_Tp, _Alloc> >
00730 {
00731 typedef std::__debug::forward_list<_Tp, _Alloc> _Sequence;
00732 typedef typename _Sequence::const_iterator _It;
00733 typedef typename _It::iterator_type _BaseIt;
00734
00735 static bool
00736 _M_Is(_BaseIt __it, const _Sequence* __seq)
00737 { return __it == __seq->_M_base().cbefore_begin(); }
00738 };
00739 }
00740
00741 #endif