1 // Profiling list implementation -*- C++ -*-
3 // Copyright (C) 2009-2019 Free Software Foundation, Inc.
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)
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.
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.
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/>.
25 /** @file profile/list
26 * This file is a GNU profile extension to the Standard C++ Library.
29 #ifndef _GLIBCXX_PROFILE_LIST
30 #define _GLIBCXX_PROFILE_LIST 1
33 #include <profile/base.h>
34 #include <profile/iterator_tracker.h>
36 namespace std _GLIBCXX_VISIBILITY(default)
40 template<typename _List>
45 { return *static_cast<_List*>(this); }
48 __gnu_profile::__list2slist_info* _M_list2slist_info;
49 __gnu_profile::__list2vector_info* _M_list2vector_info;
51 _List_profile() _GLIBCXX_NOEXCEPT
52 { _M_profile_construct(); }
55 _M_profile_construct() _GLIBCXX_NOEXCEPT
57 _M_list2slist_info = __profcxx_list2slist_construct();
58 _M_list2vector_info = __profcxx_list2vector_construct();
62 _M_profile_destruct() _GLIBCXX_NOEXCEPT
64 __profcxx_list2vector_destruct(_M_list2vector_info);
65 _M_list2vector_info = 0;
66 __profcxx_list2slist_destruct(_M_list2slist_info);
67 _M_list2slist_info = 0;
71 _M_swap(_List_profile& __other)
73 std::swap(_M_list2slist_info, __other._M_list2slist_info);
74 std::swap(_M_list2vector_info, __other._M_list2vector_info);
77 #if __cplusplus >= 201103L
78 _List_profile(const _List_profile&) noexcept
80 _List_profile(_List_profile&& __other) noexcept
85 operator=(const _List_profile&) noexcept
87 _M_profile_destruct();
88 _M_profile_construct();
92 operator=(_List_profile&& __other) noexcept
95 __other._M_profile_destruct();
96 __other._M_profile_construct();
101 { _M_profile_destruct(); }
104 /** @brief List wrapper with performance instrumentation. */
105 template<typename _Tp, typename _Allocator = std::allocator<_Tp> >
107 : public _GLIBCXX_STD_C::list<_Tp, _Allocator>,
108 public _List_profile<list<_Tp, _Allocator> >
110 typedef _GLIBCXX_STD_C::list<_Tp, _Allocator> _Base;
113 typedef typename _Base::reference reference;
114 typedef typename _Base::const_reference const_reference;
116 typedef __iterator_tracker<typename _Base::iterator, list>
118 typedef __iterator_tracker<typename _Base::const_iterator, list>
121 typedef typename _Base::size_type size_type;
122 typedef typename _Base::difference_type difference_type;
124 typedef _Tp value_type;
125 typedef _Allocator allocator_type;
126 typedef typename _Base::pointer pointer;
127 typedef typename _Base::const_pointer const_pointer;
128 typedef std::reverse_iterator<iterator> reverse_iterator;
129 typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
131 // 23.2.2.1 construct/copy/destroy:
133 #if __cplusplus < 201103L
135 list(const list& __x)
141 list(const list&) = default;
142 list(list&&) = default;
145 list(initializer_list<value_type> __l,
146 const allocator_type& __a = allocator_type())
147 : _Base(__l, __a) { }
149 list(const list& __x, const allocator_type& __a)
150 : _Base(__x, __a) { }
152 list(list&& __x, const allocator_type& __a)
153 : _Base(std::move(__x), __a) { }
157 list(const _Allocator& __a) _GLIBCXX_NOEXCEPT
160 #if __cplusplus >= 201103L
162 list(size_type __n, const allocator_type& __a = allocator_type())
163 : _Base(__n, __a) { }
165 list(size_type __n, const _Tp& __value,
166 const _Allocator& __a = _Allocator())
167 : _Base(__n, __value, __a) { }
170 list(size_type __n, const _Tp& __value = _Tp(),
171 const _Allocator& __a = _Allocator())
172 : _Base(__n, __value, __a) { }
175 #if __cplusplus >= 201103L
176 template<typename _InputIterator,
177 typename = std::_RequireInputIter<_InputIterator>>
179 template<class _InputIterator>
181 list(_InputIterator __first, _InputIterator __last,
182 const _Allocator& __a = _Allocator())
183 : _Base(__first, __last, __a) { }
185 list(const _Base& __x)
188 #if __cplusplus < 201103L
190 operator=(const list& __x)
192 this->_M_profile_destruct();
194 this->_M_profile_construct();
199 operator=(const list&) = default;
202 operator=(list&&) = default;
205 operator=(initializer_list<value_type> __l)
207 this->_M_profile_destruct();
209 this->_M_profile_construct();
216 begin() _GLIBCXX_NOEXCEPT
217 { return iterator(_Base::begin(), this); }
220 begin() const _GLIBCXX_NOEXCEPT
221 { return const_iterator(_Base::begin(), this); }
224 end() _GLIBCXX_NOEXCEPT
226 __profcxx_list2slist_rewind(this->_M_list2slist_info);
227 return iterator(_Base::end(), this);
231 end() const _GLIBCXX_NOEXCEPT
233 __profcxx_list2slist_rewind(this->_M_list2slist_info);
234 return const_iterator(_Base::end(), this);
238 rbegin() _GLIBCXX_NOEXCEPT
240 __profcxx_list2slist_rewind(this->_M_list2slist_info);
241 return reverse_iterator(end());
244 const_reverse_iterator
245 rbegin() const _GLIBCXX_NOEXCEPT
247 __profcxx_list2slist_rewind(this->_M_list2slist_info);
248 return const_reverse_iterator(end());
252 rend() _GLIBCXX_NOEXCEPT
253 { return reverse_iterator(begin()); }
255 const_reverse_iterator
256 rend() const _GLIBCXX_NOEXCEPT
257 { return const_reverse_iterator(begin()); }
259 #if __cplusplus >= 201103L
261 cbegin() const noexcept
262 { return const_iterator(_Base::cbegin(), this); }
265 cend() const noexcept
266 { return const_iterator(_Base::cend(), this); }
268 const_reverse_iterator
269 crbegin() const noexcept
270 { return const_reverse_iterator(end()); }
272 const_reverse_iterator
273 crend() const noexcept
274 { return const_reverse_iterator(begin()); }
277 // 23.2.2.2 capacity:
279 back() _GLIBCXX_NOEXCEPT
281 __profcxx_list2slist_rewind(this->_M_list2slist_info);
282 return _Base::back();
286 back() const _GLIBCXX_NOEXCEPT
288 __profcxx_list2slist_rewind(this->_M_list2slist_info);
289 return _Base::back();
292 // 23.2.2.3 modifiers:
294 push_front(const value_type& __x)
296 __profcxx_list2vector_invalid_operator(this->_M_list2vector_info);
297 __profcxx_list2slist_operation(this->_M_list2slist_info);
298 _Base::push_front(__x);
302 pop_front() _GLIBCXX_NOEXCEPT
304 __profcxx_list2slist_operation(this->_M_list2slist_info);
309 pop_back() _GLIBCXX_NOEXCEPT
312 __profcxx_list2slist_rewind(this->_M_list2slist_info);
315 #if __cplusplus >= 201103L
316 template<typename... _Args>
318 emplace(const_iterator __position, _Args&&... __args)
320 return iterator(_Base::emplace(__position.base(),
321 std::forward<_Args>(__args)...),
327 #if __cplusplus >= 201103L
328 insert(const_iterator __pos, const _Tp& __x)
330 insert(iterator __pos, const _Tp& __x)
333 _M_profile_insert(__pos, this->size());
334 return iterator(_Base::insert(__pos.base(), __x), this);
337 #if __cplusplus >= 201103L
339 insert(const_iterator __pos, _Tp&& __x)
341 _M_profile_insert(__pos, this->size());
342 return iterator(_Base::emplace(__pos.base(), std::move(__x)),
347 insert(const_iterator __pos, initializer_list<value_type> __l)
349 _M_profile_insert(__pos, this->size());
350 return iterator(_Base::insert(__pos.base(), __l), this);
354 #if __cplusplus >= 201103L
356 insert(const_iterator __pos, size_type __n, const _Tp& __x)
358 _M_profile_insert(__pos, this->size());
359 return iterator(_Base::insert(__pos.base(), __n, __x), this);
363 insert(iterator __pos, size_type __n, const _Tp& __x)
365 _M_profile_insert(__pos, this->size());
366 _Base::insert(__pos.base(), __n, __x);
370 #if __cplusplus >= 201103L
371 template<typename _InputIterator,
372 typename = std::_RequireInputIter<_InputIterator>>
374 insert(const_iterator __pos, _InputIterator __first,
375 _InputIterator __last)
377 _M_profile_insert(__pos, this->size());
378 return iterator(_Base::insert(__pos.base(), __first, __last),
382 template<class _InputIterator>
384 insert(iterator __pos, _InputIterator __first,
385 _InputIterator __last)
387 _M_profile_insert(__pos, this->size());
388 _Base::insert(__pos.base(), __first, __last);
393 #if __cplusplus >= 201103L
394 erase(const_iterator __pos) noexcept
396 erase(iterator __pos)
398 { return iterator(_Base::erase(__pos.base()), this); }
401 #if __cplusplus >= 201103L
402 erase(const_iterator __pos, const_iterator __last) noexcept
404 erase(iterator __pos, iterator __last)
407 // _GLIBCXX_RESOLVE_LIB_DEFECTS
408 // 151. can't currently clear() empty container
409 return iterator(_Base::erase(__pos.base(), __last.base()), this);
414 _GLIBCXX_NOEXCEPT_IF( noexcept(declval<_Base&>().swap(__x)) )
421 clear() _GLIBCXX_NOEXCEPT
423 this->_M_profile_destruct();
425 this->_M_profile_construct();
428 // 23.2.2.4 list operations:
430 #if __cplusplus >= 201103L
431 splice(const_iterator __pos, list&& __x) noexcept
433 splice(iterator __pos, list& __x)
435 { this->splice(__pos, _GLIBCXX_MOVE(__x), __x.begin(), __x.end()); }
437 #if __cplusplus >= 201103L
439 splice(const_iterator __pos, list& __x) noexcept
440 { this->splice(__pos, std::move(__x)); }
443 splice(const_iterator __pos, list& __x, const_iterator __i)
444 { this->splice(__pos, std::move(__x), __i); }
448 #if __cplusplus >= 201103L
449 splice(const_iterator __pos, list&& __x, const_iterator __i) noexcept
451 splice(iterator __pos, list& __x, iterator __i)
454 // We used to perform the splice_alloc check: not anymore, redundant
455 // after implementing the relevant bits of N1599.
457 // _GLIBCXX_RESOLVE_LIB_DEFECTS
458 _Base::splice(__pos.base(), _GLIBCXX_MOVE(__x._M_base()),
463 #if __cplusplus >= 201103L
464 splice(const_iterator __pos, list&& __x, const_iterator __first,
465 const_iterator __last) noexcept
467 splice(iterator __pos, list& __x, iterator __first,
471 _Base::splice(__pos.base(), _GLIBCXX_MOVE(__x._M_base()),
472 __first.base(), __last.base());
475 #if __cplusplus >= 201103L
477 splice(const_iterator __pos, list& __x,
478 const_iterator __first, const_iterator __last) noexcept
479 { this->splice(__pos, std::move(__x), __first, __last); }
483 remove(const _Tp& __value)
485 for (iterator __x = begin(); __x != end(); )
494 template<class _Predicate>
496 remove_if(_Predicate __pred)
498 for (iterator __x = begin(); __x != end(); )
500 __profcxx_list2slist_operation(this->_M_list2slist_info);
511 iterator __first = begin();
512 iterator __last = end();
513 if (__first == __last)
515 iterator __next = __first;
516 while (++__next != __last)
518 __profcxx_list2slist_operation(this->_M_list2slist_info);
519 if (*__first == *__next)
527 template<class _BinaryPredicate>
529 unique(_BinaryPredicate __binary_pred)
531 iterator __first = begin();
532 iterator __last = end();
533 if (__first == __last)
535 iterator __next = __first;
536 while (++__next != __last)
538 __profcxx_list2slist_operation(this->_M_list2slist_info);
539 if (__binary_pred(*__first, *__next))
548 #if __cplusplus >= 201103L
553 { _Base::merge(_GLIBCXX_MOVE(__x._M_base())); }
555 #if __cplusplus >= 201103L
558 { this->merge(std::move(__x)); }
561 template<class _Compare>
563 #if __cplusplus >= 201103L
564 merge(list&& __x, _Compare __comp)
566 merge(list& __x, _Compare __comp)
568 { _Base::merge(_GLIBCXX_MOVE(__x._M_base()), __comp); }
570 #if __cplusplus >= 201103L
571 template<typename _Compare>
573 merge(list& __x, _Compare __comp)
574 { this->merge(std::move(__x), __comp); }
578 _M_base() _GLIBCXX_NOEXCEPT { return *this; }
581 _M_base() const _GLIBCXX_NOEXCEPT { return *this; }
583 void _M_profile_iterate(int __rewind = 0) const
585 __profcxx_list2slist_operation(this->_M_list2slist_info);
586 __profcxx_list2vector_iterate(this->_M_list2vector_info, __rewind);
588 __profcxx_list2slist_rewind(this->_M_list2slist_info);
593 _M_profile_insert(const_iterator __pos, size_type __size)
595 size_type __shift = 0;
596 typename _Base::const_iterator __it = __pos.base();
597 for (; __it != _Base::end(); ++__it)
599 __profcxx_list2slist_rewind(this->_M_list2slist_info);
600 __profcxx_list2slist_operation(this->_M_list2slist_info);
601 __profcxx_list2vector_insert(this->_M_list2vector_info, __shift, __size);
605 template<typename _Tp, typename _Alloc>
607 operator==(const list<_Tp, _Alloc>& __lhs,
608 const list<_Tp, _Alloc>& __rhs)
609 { return __lhs._M_base() == __rhs._M_base(); }
611 template<typename _Tp, typename _Alloc>
613 operator!=(const list<_Tp, _Alloc>& __lhs,
614 const list<_Tp, _Alloc>& __rhs)
615 { return __lhs._M_base() != __rhs._M_base(); }
617 template<typename _Tp, typename _Alloc>
619 operator<(const list<_Tp, _Alloc>& __lhs,
620 const list<_Tp, _Alloc>& __rhs)
621 { return __lhs._M_base() < __rhs._M_base(); }
623 template<typename _Tp, typename _Alloc>
625 operator<=(const list<_Tp, _Alloc>& __lhs,
626 const list<_Tp, _Alloc>& __rhs)
627 { return __lhs._M_base() <= __rhs._M_base(); }
629 template<typename _Tp, typename _Alloc>
631 operator>=(const list<_Tp, _Alloc>& __lhs,
632 const list<_Tp, _Alloc>& __rhs)
633 { return __lhs._M_base() >= __rhs._M_base(); }
635 template<typename _Tp, typename _Alloc>
637 operator>(const list<_Tp, _Alloc>& __lhs,
638 const list<_Tp, _Alloc>& __rhs)
639 { return __lhs._M_base() > __rhs._M_base(); }
641 template<typename _Tp, typename _Alloc>
643 swap(list<_Tp, _Alloc>& __lhs, list<_Tp, _Alloc>& __rhs)
644 _GLIBCXX_NOEXCEPT_IF(noexcept(__lhs.swap(__rhs)))
645 { __lhs.swap(__rhs); }
647 } // namespace __profile