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