1 /*
2 *
3 * Copyright (c) 1994
4 * Hewlett-Packard Company
5 *
6 * Copyright (c) 1996,1997
7 * Silicon Graphics Computer Systems, Inc.
8 *
9 * Copyright (c) 1997
10 * Moscow Center for SPARC Technology
11 *
12 * Copyright (c) 1999
13 * Boris Fomitchev
14 *
15 * This material is provided "as is", with absolutely no warranty expressed
16 * or implied. Any use is at your own risk.
17 *
18 * Permission to use or copy this software for any purpose is hereby granted
19 * without fee, provided the above notices are retained on all copies.
20 * Permission to modify the code and to distribute modified code is granted,
21 * provided the above notices are retained, and a notice that the code was
22 * modified is included with the above copyright notice.
23 *
24 */
25
26 /* NOTE: This is an internal header file, included by other STL headers.
27 * You should not attempt to use it directly.
28 */
29
30 #ifndef _STLP_INTERNAL_DBG_HASHTABLE_H
31 #define _STLP_INTERNAL_DBG_HASHTABLE_H
32
33 // Hashtable class, used to implement the hashed associative containers
34 // hash_set, hash_map, hash_multiset, and hash_multimap,
35 // unordered_set, unordered_map, unordered_multiset, unordered_multimap
36
37 #ifndef _STLP_DBG_ITERATOR_H
38 # include <stl/debug/_iterator.h>
39 #endif
40
41 _STLP_BEGIN_NAMESPACE
42
43 _STLP_MOVE_TO_PRIV_NAMESPACE
44
45 template <class _Key, class _Equal>
46 class _DbgEqual {
47 public:
_DbgEqual()48 _DbgEqual() {}
_DbgEqual(const _Equal & __eq)49 _DbgEqual(const _Equal& __eq) : _M_non_dbg_eq(__eq) {}
_DbgEqual(const _DbgEqual & __eq)50 _DbgEqual(const _DbgEqual& __eq) : _M_non_dbg_eq(__eq._M_non_dbg_eq) {}
51
52 #if !defined (_STLP_USE_CONTAINERS_EXTENSION)
operator()53 bool operator () (const _Key& __lhs, const _Key& __rhs) const
54 #else
55 template <class _Kp1, class _Kp2>
56 bool operator () (const _Kp1& __lhs, const _Kp2& __rhs) const
57 #endif
58 {
59 #if !defined (_STLP_USE_CONTAINERS_EXTENSION)
60 _STLP_VERBOSE_ASSERT(_M_non_dbg_eq(__rhs, __lhs) == _M_non_dbg_eq(__lhs, __rhs), _StlMsg_INVALID_EQUIVALENT_PREDICATE)
61 #endif
62 return _M_non_dbg_eq(__lhs, __rhs) ? true : false;
63 }
64
non_dbg_key_eq()65 _Equal non_dbg_key_eq() const { return _M_non_dbg_eq; }
66 private:
67 _Equal _M_non_dbg_eq;
68 };
69
70 _STLP_MOVE_TO_STD_NAMESPACE
71
72 #define _STLP_NON_DBG_HT \
73 _STLP_PRIV _STLP_NON_DBG_NAME(hashtable) <_Val, _Key, _HF, _Traits, _ExK, _STLP_PRIV _DbgEqual<_Key, _EqK>, _All>
74
75 #if defined (_STLP_DEBUG_USE_DISTINCT_VALUE_TYPE_HELPERS)
76 template <class _Val, class _Key, class _HF,
77 class _ExK, class _EqK, class _All>
78 inline _Val*
value_type(const _STLP_PRIV _DBG_iter_base<_STLP_NON_DBG_HT> &)79 value_type(const _STLP_PRIV _DBG_iter_base< _STLP_NON_DBG_HT >&)
80 { return (_Val*)0; }
81
82 template <class _Val, class _Key, class _HF,
83 class _ExK, class _EqK, class _All>
84 inline forward_iterator_tag
iterator_category(const _STLP_PRIV _DBG_iter_base<_STLP_NON_DBG_HT> &)85 iterator_category(const _STLP_PRIV _DBG_iter_base< _STLP_NON_DBG_HT >&)
86 { return forward_iterator_tag(); }
87 #endif
88
89 template <class _Val, class _Key, class _HF,
90 class _Traits, class _ExK, class _EqK, class _All>
91 class hashtable {
92 typedef hashtable<_Val, _Key, _HF, _Traits, _ExK, _EqK, _All> _Self;
93 typedef _STLP_NON_DBG_HT _Base;
94
95 typedef typename _Traits::_NonConstTraits _NonConstTraits;
96 typedef typename _Traits::_ConstTraits _ConstTraits;
97 typedef typename _Traits::_NonConstLocalTraits _NonConstLocalTraits;
98 typedef typename _Traits::_ConstLocalTraits _ConstLocalTraits;
99
100 _Base _M_non_dbg_impl;
101 _STLP_PRIV __owned_list _M_iter_list;
102
103 public:
104 typedef _Key key_type;
105 typedef _HF hasher;
106 typedef _EqK key_equal;
107
108 __IMPORT_CONTAINER_TYPEDEFS(_Base)
109
110 typedef _STLP_PRIV _DBG_iter<_Base, _STLP_PRIV _DbgTraits<_NonConstTraits> > iterator;
111 typedef _STLP_PRIV _DBG_iter<_Base, _STLP_PRIV _DbgTraits<_ConstTraits> > const_iterator;
112 //typedef _STLP_PRIV _DBG_iter<_Base, _DbgTraits<_NonConstLocalTraits> > local_iterator;
113 typedef iterator local_iterator;
114 //typedef _STLP_PRIV _DBG_iter<_Base, _DbgTraits<_ConstLocalTraits> > const_local_iterator;
115 typedef const_iterator const_local_iterator;
116
117 typedef typename _Base::iterator _Base_iterator;
118 typedef typename _Base::const_iterator _Base_const_iterator;
119
hash_funct()120 hasher hash_funct() const { return _M_non_dbg_impl.hash_funct(); }
key_eq()121 key_equal key_eq() const { return _M_non_dbg_impl.key_eq().non_dbg_key_eq(); }
122
123 private:
_Invalidate_iterator(const const_iterator & __it)124 void _Invalidate_iterator(const const_iterator& __it)
125 { _STLP_PRIV __invalidate_iterator(&_M_iter_list, __it); }
_Invalidate_iterators(const const_iterator & __first,const const_iterator & __last)126 void _Invalidate_iterators(const const_iterator& __first, const const_iterator& __last)
127 { _STLP_PRIV __invalidate_range(&_M_iter_list, __first, __last); }
128
_STLP_KEY_TYPE_FOR_CONT_EXT(key_type)129 _STLP_KEY_TYPE_FOR_CONT_EXT(key_type)
130
131 public:
132 allocator_type get_allocator() const { return _M_non_dbg_impl.get_allocator(); }
133
134 hashtable(size_type __n,
135 const _HF& __hf,
136 const _EqK& __eql,
137 const _ExK& __ext,
138 const allocator_type& __a = allocator_type())
_M_non_dbg_impl(__n,__hf,__eql,__ext,__a)139 : _M_non_dbg_impl(__n, __hf, __eql, __ext, __a),
140 _M_iter_list(&_M_non_dbg_impl) {}
141
142 hashtable(size_type __n,
143 const _HF& __hf,
144 const _EqK& __eql,
145 const allocator_type& __a = allocator_type())
_M_non_dbg_impl(__n,__hf,__eql,__a)146 : _M_non_dbg_impl(__n, __hf, __eql, __a),
147 _M_iter_list(&_M_non_dbg_impl) {}
148
hashtable(const _Self & __ht)149 hashtable(const _Self& __ht)
150 : _M_non_dbg_impl(__ht._M_non_dbg_impl),
151 _M_iter_list(&_M_non_dbg_impl) {}
152
153 #if !defined (_STLP_NO_MOVE_SEMANTIC)
hashtable(__move_source<_Self> src)154 hashtable(__move_source<_Self> src)
155 : _M_non_dbg_impl(__move_source<_Base>(src.get()._M_non_dbg_impl)),
156 _M_iter_list(&_M_non_dbg_impl) {
157 # if defined (_STLP_NO_EXTENSIONS) || (_STLP_DEBUG_LEVEL == _STLP_STANDARD_DBG_LEVEL)
158 src.get()._M_iter_list._Invalidate_all();
159 # else
160 src.get()._M_iter_list._Set_owner(_M_iter_list);
161 # endif
162 }
163 #endif
164
size()165 size_type size() const { return _M_non_dbg_impl.size(); }
max_size()166 size_type max_size() const { return _M_non_dbg_impl.max_size(); }
empty()167 bool empty() const { return _M_non_dbg_impl.empty(); }
168
169 _Self& operator=(const _Self& __ht) {
170 if (this != &__ht) {
171 //Should not invalidate end iterator
172 _Invalidate_iterators(begin(), end());
173 _M_non_dbg_impl = __ht._M_non_dbg_impl;
174 }
175 return *this;
176 }
177
swap(_Self & __ht)178 void swap(_Self& __ht) {
179 _M_iter_list._Swap_owners(__ht._M_iter_list);
180 _M_non_dbg_impl.swap(__ht._M_non_dbg_impl);
181 }
182
begin()183 iterator begin() { return iterator(&_M_iter_list, _M_non_dbg_impl.begin()); }
end()184 iterator end() { return iterator(&_M_iter_list, _M_non_dbg_impl.end()); }
begin(size_type __n)185 local_iterator begin(size_type __n) {
186 //TODO: Add checks for iterator locality -> avoids comparison between different bucket iterators
187 _STLP_VERBOSE_ASSERT((__n < bucket_count()), _StlMsg_INVALID_ARGUMENT)
188 return local_iterator(&_M_iter_list, _M_non_dbg_impl.begin(__n));
189 }
end(size_type __n)190 local_iterator end(size_type __n) {
191 //TODO: Add checks for iterator locality -> avoids comparison between different bucket iterators
192 _STLP_VERBOSE_ASSERT((__n < bucket_count()), _StlMsg_INVALID_ARGUMENT)
193 return local_iterator(&_M_iter_list, _M_non_dbg_impl.end(__n));
194 }
195
begin()196 const_iterator begin() const { return const_iterator(&_M_iter_list, _M_non_dbg_impl.begin()); }
end()197 const_iterator end() const { return const_iterator(&_M_iter_list, _M_non_dbg_impl.end()); }
begin(size_type __n)198 const_local_iterator begin(size_type __n) const {
199 //TODO: Add checks for iterator locality -> avoids comparison between different bucket iterators
200 _STLP_VERBOSE_ASSERT((__n < bucket_count()), _StlMsg_INVALID_ARGUMENT)
201 return const_local_iterator(&_M_iter_list, _M_non_dbg_impl.begin(__n));
202 }
end(size_type __n)203 const_local_iterator end(size_type __n) const {
204 //TODO: Add checks for iterator locality -> avoids comparison between different bucket iterators
205 _STLP_VERBOSE_ASSERT((__n < bucket_count()), _StlMsg_INVALID_ARGUMENT)
206 return const_local_iterator(&_M_iter_list, _M_non_dbg_impl.end(__n));
207 }
208
insert_unique(const value_type & __obj)209 pair<iterator, bool> insert_unique(const value_type& __obj) {
210 pair<_Base_iterator, bool> __res = _M_non_dbg_impl.insert_unique(__obj);
211 return pair<iterator, bool>(iterator(&_M_iter_list, __res.first), __res.second);
212 }
213
insert_equal(const value_type & __obj)214 iterator insert_equal(const value_type& __obj)
215 { return iterator(&_M_iter_list, _M_non_dbg_impl.insert_equal(__obj)); }
216
insert_unique_noresize(const value_type & __obj)217 pair<iterator, bool> insert_unique_noresize(const value_type& __obj) {
218 pair<_Base_iterator, bool> __res = _M_non_dbg_impl.insert_unique_noresize(__obj);
219 return pair<iterator, bool>(iterator(&_M_iter_list, __res.first), __res.second);
220 }
221
insert_equal_noresize(const value_type & __obj)222 iterator insert_equal_noresize(const value_type& __obj)
223 { return iterator(&_M_iter_list, _M_non_dbg_impl.insert_equal_noresize(__obj)); }
224
225 #if defined (_STLP_MEMBER_TEMPLATES)
226 template <class _InputIterator>
insert_unique(_InputIterator __f,_InputIterator __l)227 void insert_unique(_InputIterator __f, _InputIterator __l) {
228 _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__f, __l))
229 _M_non_dbg_impl.insert_unique(_STLP_PRIV _Non_Dbg_iter(__f), _STLP_PRIV _Non_Dbg_iter(__l));
230 }
231
232 template <class _InputIterator>
insert_equal(_InputIterator __f,_InputIterator __l)233 void insert_equal(_InputIterator __f, _InputIterator __l){
234 _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__f, __l))
235 _M_non_dbg_impl.insert_equal(_STLP_PRIV _Non_Dbg_iter(__f), _STLP_PRIV _Non_Dbg_iter(__l));
236 }
237
238 #else
insert_unique(const value_type * __f,const value_type * __l)239 void insert_unique(const value_type* __f, const value_type* __l) {
240 _STLP_DEBUG_CHECK(_STLP_PRIV __check_ptr_range(__f, __l))
241 _M_non_dbg_impl.insert_unique(__f, __l);
242 }
243
insert_equal(const value_type * __f,const value_type * __l)244 void insert_equal(const value_type* __f, const value_type* __l) {
245 _STLP_DEBUG_CHECK(_STLP_PRIV __check_ptr_range(__f, __l))
246 _M_non_dbg_impl.insert_equal(__f, __l);
247 }
248
insert_unique(const_iterator __f,const_iterator __l)249 void insert_unique(const_iterator __f, const_iterator __l) {
250 _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__f, __l))
251 _M_non_dbg_impl.insert_unique(__f._M_iterator, __l._M_iterator);
252 }
253
insert_equal(const_iterator __f,const_iterator __l)254 void insert_equal(const_iterator __f, const_iterator __l) {
255 _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__f, __l))
256 _M_non_dbg_impl.insert_equal(__f._M_iterator, __l._M_iterator);
257 }
258 #endif
259
260 _STLP_TEMPLATE_FOR_CONT_EXT
find(const _KT & __key)261 iterator find(const _KT& __key)
262 { return iterator(&_M_iter_list, _M_non_dbg_impl.find(__key)); }
263 _STLP_TEMPLATE_FOR_CONT_EXT
find(const _KT & __key)264 const_iterator find(const _KT& __key) const
265 { return const_iterator(&_M_iter_list, _M_non_dbg_impl.find(__key)); }
266
267 _STLP_TEMPLATE_FOR_CONT_EXT
count(const _KT & __key)268 size_type count(const _KT& __key) const { return _M_non_dbg_impl.count(__key); }
269
270 _STLP_TEMPLATE_FOR_CONT_EXT
equal_range(const _KT & __key)271 pair<iterator, iterator> equal_range(const _KT& __key) {
272 pair<_Base_iterator, _Base_iterator> __res = _M_non_dbg_impl.equal_range(__key);
273 return pair<iterator,iterator> (iterator(&_M_iter_list,__res.first),
274 iterator(&_M_iter_list,__res.second));
275 }
276
277 _STLP_TEMPLATE_FOR_CONT_EXT
equal_range(const _KT & __key)278 pair<const_iterator, const_iterator> equal_range(const _KT& __key) const {
279 pair <_Base_const_iterator, _Base_const_iterator> __res = _M_non_dbg_impl.equal_range(__key);
280 return pair<const_iterator,const_iterator> (const_iterator(&_M_iter_list,__res.first),
281 const_iterator(&_M_iter_list,__res.second));
282 }
283
erase(const key_type & __key)284 size_type erase(const key_type& __key) {
285 pair<iterator, iterator> __p = equal_range(__key);
286 size_type __n = _STLP_STD::distance(__p.first, __p.second);
287 _Invalidate_iterators(__p.first, __p.second);
288 _M_non_dbg_impl.erase(__p.first._M_iterator, __p.second._M_iterator);
289 return __n;
290 }
291
erase(const const_iterator & __it)292 void erase(const const_iterator& __it) {
293 _STLP_DEBUG_CHECK(_STLP_PRIV _Dereferenceable(__it))
294 _STLP_DEBUG_CHECK(_STLP_PRIV __check_if_owner(&_M_iter_list, __it))
295 _Invalidate_iterator(__it);
296 _M_non_dbg_impl.erase(__it._M_iterator);
297 }
erase(const_iterator __first,const_iterator __last)298 void erase(const_iterator __first, const_iterator __last) {
299 _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last,
300 const_iterator(begin()), const_iterator(end())))
301 _Invalidate_iterators(__first, __last);
302 _M_non_dbg_impl.erase(__first._M_iterator, __last._M_iterator);
303 }
304
rehash(size_type __num_buckets_hint)305 void rehash(size_type __num_buckets_hint) { _M_non_dbg_impl.rehash(__num_buckets_hint); }
resize(size_type __num_elements_hint)306 void resize(size_type __num_elements_hint) { _M_non_dbg_impl.resize(__num_elements_hint); }
307
clear()308 void clear() {
309 _Invalidate_iterators(begin(), end());
310 _M_non_dbg_impl.clear();
311 }
312
_M_insert(const value_type & __obj)313 reference _M_insert(const value_type& __obj) { return _M_non_dbg_impl._M_insert(__obj); }
314
bucket_count()315 size_type bucket_count() const { return _M_non_dbg_impl.bucket_count(); }
max_bucket_count()316 size_type max_bucket_count() const { return _M_non_dbg_impl.max_bucket_count(); }
elems_in_bucket(size_type __n)317 size_type elems_in_bucket(size_type __n) const {
318 _STLP_VERBOSE_ASSERT((__n < bucket_count()), _StlMsg_INVALID_ARGUMENT)
319 return _M_non_dbg_impl.elems_in_bucket(__n);
320 }
321 _STLP_TEMPLATE_FOR_CONT_EXT
bucket(const _KT & __k)322 size_type bucket(const _KT& __k) const { return _M_non_dbg_impl.bucket(__k); }
323
load_factor()324 float load_factor() const { return _M_non_dbg_impl.load_factor(); }
max_load_factor()325 float max_load_factor() const { return _M_non_dbg_impl.max_load_factor(); }
max_load_factor(float __z)326 void max_load_factor(float __z) {
327 _STLP_VERBOSE_ASSERT((__z > 0.0f), _StlMsg_INVALID_ARGUMENT)
328 _M_non_dbg_impl.max_load_factor(__z);
329 }
330 };
331
332 _STLP_END_NAMESPACE
333
334 #undef _STLP_NON_DBG_HT
335
336 #endif /* _STLP_INTERNAL_HASHTABLE_H */
337
338 // Local Variables:
339 // mode:C++
340 // End:
341