1 // Profiling unordered_set/unordered_multiset implementation -*- C++ -*-
3 // Copyright (C) 2009-2018 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 along
21 // with this library; see the file COPYING3. If not see
22 // <http://www.gnu.org/licenses/>.
24 /** @file profile/unordered_set
25 * This file is a GNU profile extension to the Standard C++ Library.
28 #ifndef _GLIBCXX_PROFILE_UNORDERED_SET
29 #define _GLIBCXX_PROFILE_UNORDERED_SET 1
31 #if __cplusplus < 201103L
32 # include <bits/c++0x_warning.h>
34 # include <unordered_set>
36 #include <profile/base.h>
37 #include <profile/unordered_base.h>
39 #define _GLIBCXX_BASE unordered_set<_Key, _Hash, _Pred, _Alloc>
40 #define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
42 namespace std _GLIBCXX_VISIBILITY(default)
46 /** @brief Unordered_set wrapper with performance instrumentation. */
47 template<typename _Key,
48 typename _Hash = std::hash<_Key>,
49 typename _Pred = std::equal_to<_Key>,
50 typename _Alloc = std::allocator<_Key> >
52 : public _GLIBCXX_STD_BASE,
53 public _Unordered_profile<unordered_set<_Key, _Hash, _Pred, _Alloc>,
56 typedef _GLIBCXX_STD_BASE _Base;
59 _M_base() noexcept { return *this; }
62 _M_base() const noexcept { return *this; }
65 typedef typename _Base::size_type size_type;
66 typedef typename _Base::hasher hasher;
67 typedef typename _Base::key_equal key_equal;
68 typedef typename _Base::allocator_type allocator_type;
69 typedef typename _Base::key_type key_type;
70 typedef typename _Base::value_type value_type;
71 typedef typename _Base::difference_type difference_type;
72 typedef typename _Base::reference reference;
73 typedef typename _Base::const_reference const_reference;
75 typedef typename _Base::iterator iterator;
76 typedef typename _Base::const_iterator const_iterator;
78 unordered_set() = default;
81 unordered_set(size_type __n,
82 const hasher& __hf = hasher(),
83 const key_equal& __eql = key_equal(),
84 const allocator_type& __a = allocator_type())
85 : _Base(__n, __hf, __eql, __a)
88 template<typename _InputIterator>
89 unordered_set(_InputIterator __f, _InputIterator __l,
91 const hasher& __hf = hasher(),
92 const key_equal& __eql = key_equal(),
93 const allocator_type& __a = allocator_type())
94 : _Base(__f, __l, __n, __hf, __eql, __a)
97 unordered_set(const unordered_set&) = default;
99 unordered_set(const _Base& __x)
103 unordered_set(unordered_set&&) = default;
106 unordered_set(const allocator_type& __a)
110 unordered_set(const unordered_set& __uset,
111 const allocator_type& __a)
112 : _Base(__uset._M_base(), __a)
115 unordered_set(unordered_set&& __uset,
116 const allocator_type& __a)
117 : _Base(std::move(__uset._M_base()), __a)
120 unordered_set(initializer_list<value_type> __l,
122 const hasher& __hf = hasher(),
123 const key_equal& __eql = key_equal(),
124 const allocator_type& __a = allocator_type())
125 : _Base(__l, __n, __hf, __eql, __a)
128 unordered_set(size_type __n, const allocator_type& __a)
129 : unordered_set(__n, hasher(), key_equal(), __a)
132 unordered_set(size_type __n, const hasher& __hf,
133 const allocator_type& __a)
134 : unordered_set(__n, __hf, key_equal(), __a)
137 template<typename _InputIterator>
138 unordered_set(_InputIterator __first, _InputIterator __last,
140 const allocator_type& __a)
141 : unordered_set(__first, __last, __n, hasher(), key_equal(), __a)
144 template<typename _InputIterator>
145 unordered_set(_InputIterator __first, _InputIterator __last,
146 size_type __n, const hasher& __hf,
147 const allocator_type& __a)
148 : unordered_set(__first, __last, __n, __hf, key_equal(), __a)
151 unordered_set(initializer_list<value_type> __l,
153 const allocator_type& __a)
154 : unordered_set(__l, __n, hasher(), key_equal(), __a)
157 unordered_set(initializer_list<value_type> __l,
158 size_type __n, const hasher& __hf,
159 const allocator_type& __a)
160 : unordered_set(__l, __n, __hf, key_equal(), __a)
164 operator=(const unordered_set&) = default;
167 operator=(unordered_set&&) = default;
170 operator=(initializer_list<value_type> __l)
172 this->_M_profile_destruct();
174 this->_M_profile_construct();
179 swap(unordered_set& __x)
180 noexcept( noexcept(__x._M_base().swap(__x)) )
189 this->_M_profile_destruct();
191 this->_M_profile_construct();
194 template<typename... _Args>
195 std::pair<iterator, bool>
196 emplace(_Args&&... __args)
198 size_type __old_size = _Base::bucket_count();
199 std::pair<iterator, bool> __res
200 = _Base::emplace(std::forward<_Args>(__args)...);
201 this->_M_profile_resize(__old_size);
205 template<typename... _Args>
207 emplace_hint(const_iterator __it, _Args&&... __args)
209 size_type __old_size = _Base::bucket_count();
211 = _Base::emplace_hint(__it, std::forward<_Args>(__args)...);
212 this->_M_profile_resize(__old_size);
217 insert(std::initializer_list<value_type> __l)
219 size_type __old_size = _Base::bucket_count();
221 this->_M_profile_resize(__old_size);
224 std::pair<iterator, bool>
225 insert(const value_type& __obj)
227 size_type __old_size = _Base::bucket_count();
228 std::pair<iterator, bool> __res = _Base::insert(__obj);
229 this->_M_profile_resize(__old_size);
234 insert(const_iterator __iter, const value_type& __v)
236 size_type __old_size = _Base::bucket_count();
237 iterator __res = _Base::insert(__iter, __v);
238 this->_M_profile_resize(__old_size);
242 std::pair<iterator, bool>
243 insert(value_type&& __obj)
245 size_type __old_size = _Base::bucket_count();
246 std::pair<iterator, bool> __res = _Base::insert(std::move(__obj));
247 this->_M_profile_resize(__old_size);
252 insert(const_iterator __iter, value_type&& __v)
254 size_type __old_size = _Base::bucket_count();
255 iterator __res = _Base::insert(__iter, std::move(__v));
256 this->_M_profile_resize(__old_size);
260 template<typename _InputIter>
262 insert(_InputIter __first, _InputIter __last)
264 size_type __old_size = _Base::bucket_count();
265 _Base::insert(__first, __last);
266 this->_M_profile_resize(__old_size);
270 rehash(size_type __n)
272 size_type __old_size = _Base::bucket_count();
274 this->_M_profile_resize(__old_size);
278 template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
280 swap(unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
281 unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
282 noexcept(noexcept(__x.swap(__y)))
285 template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
287 operator==(const unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
288 const unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
289 { return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }
291 template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
293 operator!=(const unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
294 const unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
295 { return !(__x == __y); }
298 #undef _GLIBCXX_STD_BASE
299 #define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
300 #define _GLIBCXX_BASE unordered_multiset<_Value, _Hash, _Pred, _Alloc>
302 /** @brief Unordered_multiset wrapper with performance instrumentation. */
303 template<typename _Value,
304 typename _Hash = std::hash<_Value>,
305 typename _Pred = std::equal_to<_Value>,
306 typename _Alloc = std::allocator<_Value> >
307 class unordered_multiset
308 : public _GLIBCXX_STD_BASE,
309 public _Unordered_profile<unordered_multiset<_Value,
310 _Hash, _Pred, _Alloc>,
313 typedef _GLIBCXX_STD_BASE _Base;
316 _M_base() noexcept { return *this; }
319 _M_base() const noexcept { return *this; }
322 typedef typename _Base::size_type size_type;
323 typedef typename _Base::hasher hasher;
324 typedef typename _Base::key_equal key_equal;
325 typedef typename _Base::allocator_type allocator_type;
326 typedef typename _Base::key_type key_type;
327 typedef typename _Base::value_type value_type;
328 typedef typename _Base::difference_type difference_type;
329 typedef typename _Base::reference reference;
330 typedef typename _Base::const_reference const_reference;
332 typedef typename _Base::iterator iterator;
333 typedef typename _Base::const_iterator const_iterator;
335 unordered_multiset() = default;
338 unordered_multiset(size_type __n,
339 const hasher& __hf = hasher(),
340 const key_equal& __eql = key_equal(),
341 const allocator_type& __a = allocator_type())
342 : _Base(__n, __hf, __eql, __a)
345 template<typename _InputIterator>
346 unordered_multiset(_InputIterator __f, _InputIterator __l,
348 const hasher& __hf = hasher(),
349 const key_equal& __eql = key_equal(),
350 const allocator_type& __a = allocator_type())
351 : _Base(__f, __l, __n, __hf, __eql, __a)
354 unordered_multiset(const unordered_multiset&) = default;
356 unordered_multiset(const _Base& __x)
360 unordered_multiset(unordered_multiset&&) = default;
363 unordered_multiset(const allocator_type& __a)
367 unordered_multiset(const unordered_multiset& __umset,
368 const allocator_type& __a)
369 : _Base(__umset._M_base(), __a)
372 unordered_multiset(unordered_multiset&& __umset,
373 const allocator_type& __a)
374 : _Base(std::move(__umset._M_base()), __a)
377 unordered_multiset(initializer_list<value_type> __l,
379 const hasher& __hf = hasher(),
380 const key_equal& __eql = key_equal(),
381 const allocator_type& __a = allocator_type())
382 : _Base(__l, __n, __hf, __eql, __a)
385 unordered_multiset(size_type __n, const allocator_type& __a)
386 : unordered_multiset(__n, hasher(), key_equal(), __a)
389 unordered_multiset(size_type __n, const hasher& __hf,
390 const allocator_type& __a)
391 : unordered_multiset(__n, __hf, key_equal(), __a)
394 template<typename _InputIterator>
395 unordered_multiset(_InputIterator __first, _InputIterator __last,
397 const allocator_type& __a)
398 : unordered_multiset(__first, __last, __n, hasher(), key_equal(), __a)
401 template<typename _InputIterator>
402 unordered_multiset(_InputIterator __first, _InputIterator __last,
403 size_type __n, const hasher& __hf,
404 const allocator_type& __a)
405 : unordered_multiset(__first, __last, __n, __hf, key_equal(), __a)
408 unordered_multiset(initializer_list<value_type> __l,
410 const allocator_type& __a)
411 : unordered_multiset(__l, __n, hasher(), key_equal(), __a)
414 unordered_multiset(initializer_list<value_type> __l,
415 size_type __n, const hasher& __hf,
416 const allocator_type& __a)
417 : unordered_multiset(__l, __n, __hf, key_equal(), __a)
421 operator=(const unordered_multiset&) = default;
424 operator=(unordered_multiset&&) = default;
427 operator=(initializer_list<value_type> __l)
429 this->_M_profile_destruct();
431 this->_M_profile_construct();
436 swap(unordered_multiset& __x)
437 noexcept( noexcept(__x._M_base().swap(__x)) )
446 this->_M_profile_destruct();
448 this->_M_profile_construct();
451 template<typename... _Args>
453 emplace(_Args&&... __args)
455 size_type __old_size = _Base::bucket_count();
456 iterator __res = _Base::emplace(std::forward<_Args>(__args)...);
457 this->_M_profile_resize(__old_size);
461 template<typename... _Args>
463 emplace_hint(const_iterator __it, _Args&&... __args)
465 size_type __old_size = _Base::bucket_count();
467 = _Base::emplace_hint(__it, std::forward<_Args>(__args)...);
468 this->_M_profile_resize(__old_size);
473 insert(std::initializer_list<value_type> __l)
475 size_type __old_size = _Base::bucket_count();
477 this->_M_profile_resize(__old_size);
481 insert(const value_type& __obj)
483 size_type __old_size = _Base::bucket_count();
484 iterator __res = _Base::insert(__obj);
485 this->_M_profile_resize(__old_size);
490 insert(const_iterator __iter, const value_type& __v)
492 size_type __old_size = _Base::bucket_count();
493 iterator __res = _Base::insert(__iter, __v);
494 this->_M_profile_resize(__old_size);
499 insert(value_type&& __obj)
501 size_type __old_size = _Base::bucket_count();
502 iterator __res = _Base::insert(std::move(__obj));
503 this->_M_profile_resize(__old_size);
508 insert(const_iterator __iter, value_type&& __v)
510 size_type __old_size = _Base::bucket_count();
511 iterator __res = _Base::insert(__iter, std::move(__v));
512 this->_M_profile_resize(__old_size);
516 template<typename _InputIter>
518 insert(_InputIter __first, _InputIter __last)
520 size_type __old_size = _Base::bucket_count();
521 _Base::insert(__first, __last);
522 this->_M_profile_resize(__old_size);
526 rehash(size_type __n)
528 size_type __old_size = _Base::bucket_count();
530 this->_M_profile_resize(__old_size);
534 template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
536 swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
537 unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
538 noexcept(noexcept(__x.swap(__y)))
541 template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
543 operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
544 const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
545 { return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }
547 template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
549 operator!=(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
550 const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
551 { return !(__x == __y); }
553 } // namespace __profile
557 #undef _GLIBCXX_STD_BASE