xref: /netbsd-src/external/gpl3/gcc.old/dist/libstdc++-v3/include/profile/set.h (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 // Profiling set implementation -*- C++ -*-
2 
3 // Copyright (C) 2009, 2010 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 profile/set.h
26  *  This file is a GNU profile extension to the Standard C++ Library.
27  */
28 
29 #ifndef _GLIBCXX_PROFILE_SET_H
30 #define _GLIBCXX_PROFILE_SET_H 1
31 
32 #include <utility>
33 
34 namespace std
35 {
36 namespace __profile
37 {
38   /// Class std::set wrapper with performance instrumentation.
39   template<typename _Key, typename _Compare = std::less<_Key>,
40 	   typename _Allocator = std::allocator<_Key> >
41     class set
42     : public _GLIBCXX_STD_D::set<_Key,_Compare,_Allocator>
43     {
44       typedef _GLIBCXX_STD_D::set<_Key, _Compare, _Allocator> _Base;
45 
46     public:
47       // types:
48       typedef _Key				    key_type;
49       typedef _Key				    value_type;
50       typedef _Compare				    key_compare;
51       typedef _Compare				    value_compare;
52       typedef _Allocator			    allocator_type;
53       typedef typename _Base::reference             reference;
54       typedef typename _Base::const_reference       const_reference;
55 
56       typedef typename _Base::iterator               iterator;
57       typedef typename _Base::const_iterator         const_iterator;
58       typedef typename _Base::reverse_iterator       reverse_iterator;
59       typedef typename _Base::const_reverse_iterator const_reverse_iterator;
60 
61       typedef typename _Base::size_type             size_type;
62       typedef typename _Base::difference_type       difference_type;
63       typedef typename _Base::pointer               pointer;
64       typedef typename _Base::const_pointer         const_pointer;
65 
66       // 23.3.3.1 construct/copy/destroy:
67       explicit set(const _Compare& __comp = _Compare(),
68 		   const _Allocator& __a = _Allocator())
69       : _Base(__comp, __a) { }
70 
71       template<typename _InputIterator>
72         set(_InputIterator __first, _InputIterator __last,
73 	    const _Compare& __comp = _Compare(),
74 	    const _Allocator& __a = _Allocator())
75 	: _Base(__first, __last, __comp, __a) { }
76 
77       set(const set& __x)
78       : _Base(__x) { }
79 
80       set(const _Base& __x)
81       : _Base(__x) { }
82 
83 #ifdef __GXX_EXPERIMENTAL_CXX0X__
84       set(set&& __x)
85       : _Base(std::forward<set>(__x))
86       { }
87 
88       set(initializer_list<value_type> __l,
89 	  const _Compare& __comp = _Compare(),
90 	  const allocator_type& __a = allocator_type())
91       : _Base(__l, __comp, __a) { }
92 #endif
93 
94       ~set() { }
95 
96       set&
97       operator=(const set& __x)
98       {
99 	*static_cast<_Base*>(this) = __x;
100 	return *this;
101       }
102 
103 #ifdef __GXX_EXPERIMENTAL_CXX0X__
104       set&
105       operator=(set&& __x)
106       {
107 	// NB: DR 1204.
108 	// NB: DR 675.
109 	this->clear();
110 	this->swap(__x);
111 	return *this;
112       }
113 
114       set&
115       operator=(initializer_list<value_type> __l)
116       {
117 	this->clear();
118 	this->insert(__l);
119 	return *this;
120       }
121 #endif
122 
123       using _Base::get_allocator;
124 
125       // iterators:
126       iterator
127       begin()
128       { return iterator(_Base::begin()); }
129 
130       const_iterator
131       begin() const
132       { return const_iterator(_Base::begin()); }
133 
134       iterator
135       end()
136       { return iterator(_Base::end()); }
137 
138       const_iterator
139       end() const
140       { return const_iterator(_Base::end()); }
141 
142       reverse_iterator
143       rbegin()
144       { return reverse_iterator(end()); }
145 
146       const_reverse_iterator
147       rbegin() const
148       { return const_reverse_iterator(end()); }
149 
150       reverse_iterator
151       rend()
152       { return reverse_iterator(begin()); }
153 
154       const_reverse_iterator
155       rend() const
156       { return const_reverse_iterator(begin()); }
157 
158 #ifdef __GXX_EXPERIMENTAL_CXX0X__
159       const_iterator
160       cbegin() const
161       { return const_iterator(_Base::begin()); }
162 
163       const_iterator
164       cend() const
165       { return const_iterator(_Base::end()); }
166 
167       const_reverse_iterator
168       crbegin() const
169       { return const_reverse_iterator(end()); }
170 
171       const_reverse_iterator
172       crend() const
173       { return const_reverse_iterator(begin()); }
174 #endif
175 
176       // capacity:
177       using _Base::empty;
178       using _Base::size;
179       using _Base::max_size;
180 
181       // modifiers:
182       std::pair<iterator, bool>
183       insert(const value_type& __x)
184       {
185 	typedef typename _Base::iterator _Base_iterator;
186 	std::pair<_Base_iterator, bool> __res = _Base::insert(__x);
187 	return std::pair<iterator, bool>(iterator(__res.first),
188 					 __res.second);
189       }
190 
191       iterator
192       insert(iterator __position, const value_type& __x)
193       {
194 	return iterator(_Base::insert(__position, __x));
195       }
196 
197       template <typename _InputIterator>
198         void
199         insert(_InputIterator __first, _InputIterator __last)
200         {
201 	  _Base::insert(__first, __last);
202 	}
203 
204 #ifdef __GXX_EXPERIMENTAL_CXX0X__
205       void
206       insert(initializer_list<value_type> __l)
207       { _Base::insert(__l); }
208 #endif
209 
210 #ifdef __GXX_EXPERIMENTAL_CXX0X__
211       iterator
212       erase(iterator __position)
213       { return _Base::erase(__position); }
214 #else
215       void
216       erase(iterator __position)
217       { _Base::erase(__position); }
218 #endif
219 
220       size_type
221       erase(const key_type& __x)
222       {
223 	iterator __victim = find(__x);
224 	if (__victim == end())
225           return 0;
226 	else
227         {
228 	  _Base::erase(__victim);
229 	  return 1;
230         }
231       }
232 
233 #ifdef __GXX_EXPERIMENTAL_CXX0X__
234       iterator
235       erase(iterator __first, iterator __last)
236       {
237 	// _GLIBCXX_RESOLVE_LIB_DEFECTS
238 	// 151. can't currently clear() empty container
239 	while (__first != __last)
240 	  this->erase(__first++);
241 	return __last;
242       }
243 #else
244       void
245       erase(iterator __first, iterator __last)
246       {
247 	// _GLIBCXX_RESOLVE_LIB_DEFECTS
248 	// 151. can't currently clear() empty container
249 	while (__first != __last)
250 	  this->erase(__first++);
251       }
252 #endif
253 
254       void
255       swap(set& __x)
256       {
257 	_Base::swap(__x);
258       }
259 
260       void
261       clear()
262       { this->erase(begin(), end()); }
263 
264       // observers:
265       using _Base::key_comp;
266       using _Base::value_comp;
267 
268       // set operations:
269       iterator
270       find(const key_type& __x)
271       { return iterator(_Base::find(__x)); }
272 
273       // _GLIBCXX_RESOLVE_LIB_DEFECTS
274       // 214. set::find() missing const overload
275       const_iterator
276       find(const key_type& __x) const
277       { return const_iterator(_Base::find(__x)); }
278 
279       using _Base::count;
280 
281       iterator
282       lower_bound(const key_type& __x)
283       { return iterator(_Base::lower_bound(__x)); }
284 
285       // _GLIBCXX_RESOLVE_LIB_DEFECTS
286       // 214. set::find() missing const overload
287       const_iterator
288       lower_bound(const key_type& __x) const
289       { return const_iterator(_Base::lower_bound(__x)); }
290 
291       iterator
292       upper_bound(const key_type& __x)
293       { return iterator(_Base::upper_bound(__x)); }
294 
295       // _GLIBCXX_RESOLVE_LIB_DEFECTS
296       // 214. set::find() missing const overload
297       const_iterator
298       upper_bound(const key_type& __x) const
299       { return const_iterator(_Base::upper_bound(__x)); }
300 
301       std::pair<iterator,iterator>
302       equal_range(const key_type& __x)
303       {
304 	typedef typename _Base::iterator _Base_iterator;
305 	std::pair<_Base_iterator, _Base_iterator> __res =
306         _Base::equal_range(__x);
307 	return std::make_pair(iterator(__res.first),
308 			      iterator(__res.second));
309       }
310 
311       // _GLIBCXX_RESOLVE_LIB_DEFECTS
312       // 214. set::find() missing const overload
313       std::pair<const_iterator,const_iterator>
314       equal_range(const key_type& __x) const
315       {
316 	typedef typename _Base::const_iterator _Base_iterator;
317 	std::pair<_Base_iterator, _Base_iterator> __res =
318         _Base::equal_range(__x);
319 	return std::make_pair(const_iterator(__res.first),
320 			      const_iterator(__res.second));
321       }
322 
323       _Base&
324       _M_base() { return *this; }
325 
326       const _Base&
327       _M_base() const { return *this; }
328 
329     };
330 
331   template<typename _Key, typename _Compare, typename _Allocator>
332     inline bool
333     operator==(const set<_Key, _Compare, _Allocator>& __lhs,
334 	       const set<_Key, _Compare, _Allocator>& __rhs)
335     { return __lhs._M_base() == __rhs._M_base(); }
336 
337   template<typename _Key, typename _Compare, typename _Allocator>
338     inline bool
339     operator!=(const set<_Key, _Compare, _Allocator>& __lhs,
340 	       const set<_Key, _Compare, _Allocator>& __rhs)
341     { return __lhs._M_base() != __rhs._M_base(); }
342 
343   template<typename _Key, typename _Compare, typename _Allocator>
344     inline bool
345     operator<(const set<_Key, _Compare, _Allocator>& __lhs,
346 	      const set<_Key, _Compare, _Allocator>& __rhs)
347     { return __lhs._M_base() < __rhs._M_base(); }
348 
349   template<typename _Key, typename _Compare, typename _Allocator>
350     inline bool
351     operator<=(const set<_Key, _Compare, _Allocator>& __lhs,
352 	       const set<_Key, _Compare, _Allocator>& __rhs)
353     { return __lhs._M_base() <= __rhs._M_base(); }
354 
355   template<typename _Key, typename _Compare, typename _Allocator>
356     inline bool
357     operator>=(const set<_Key, _Compare, _Allocator>& __lhs,
358 	       const set<_Key, _Compare, _Allocator>& __rhs)
359     { return __lhs._M_base() >= __rhs._M_base(); }
360 
361   template<typename _Key, typename _Compare, typename _Allocator>
362     inline bool
363     operator>(const set<_Key, _Compare, _Allocator>& __lhs,
364 	      const set<_Key, _Compare, _Allocator>& __rhs)
365     { return __lhs._M_base() > __rhs._M_base(); }
366 
367   template<typename _Key, typename _Compare, typename _Allocator>
368     void
369     swap(set<_Key, _Compare, _Allocator>& __x,
370 	 set<_Key, _Compare, _Allocator>& __y)
371     { return __x.swap(__y); }
372 
373 } // namespace __profile
374 } // namespace std
375 
376 #endif
377