comparison DEPENDENCIES/generic/include/boost/intrusive/detail/hashtable_node.hpp @ 101:c530137014c0

Update Boost headers (1.58.0)
author Chris Cannam
date Mon, 07 Sep 2015 11:12:49 +0100
parents 2665513ce2d3
children
comparison
equal deleted inserted replaced
100:793467b5e61c 101:c530137014c0
1 ///////////////////////////////////////////////////////////////////////////// 1 /////////////////////////////////////////////////////////////////////////////
2 // 2 //
3 // (C) Copyright Ion Gaztanaga 2007-2013 3 // (C) Copyright Ion Gaztanaga 2007-2014
4 // 4 //
5 // Distributed under the Boost Software License, Version 1.0. 5 // Distributed under the Boost Software License, Version 1.0.
6 // (See accompanying file LICENSE_1_0.txt or copy at 6 // (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt) 7 // http://www.boost.org/LICENSE_1_0.txt)
8 // 8 //
11 ///////////////////////////////////////////////////////////////////////////// 11 /////////////////////////////////////////////////////////////////////////////
12 12
13 #ifndef BOOST_INTRUSIVE_HASHTABLE_NODE_HPP 13 #ifndef BOOST_INTRUSIVE_HASHTABLE_NODE_HPP
14 #define BOOST_INTRUSIVE_HASHTABLE_NODE_HPP 14 #define BOOST_INTRUSIVE_HASHTABLE_NODE_HPP
15 15
16 #include <boost/intrusive/detail/config_begin.hpp> 16 #ifndef BOOST_CONFIG_HPP
17 #include <iterator> 17 # include <boost/config.hpp>
18 #endif
19
20 #if defined(BOOST_HAS_PRAGMA_ONCE)
21 # pragma once
22 #endif
23
18 #include <boost/intrusive/detail/assert.hpp> 24 #include <boost/intrusive/detail/assert.hpp>
19 #include <boost/intrusive/pointer_traits.hpp> 25 #include <boost/intrusive/pointer_traits.hpp>
20 #include <boost/intrusive/circular_list_algorithms.hpp>
21 #include <boost/intrusive/detail/mpl.hpp> 26 #include <boost/intrusive/detail/mpl.hpp>
22 #include <boost/intrusive/detail/utilities.hpp>
23 #include <boost/intrusive/slist.hpp> //remove-me
24 #include <boost/intrusive/pointer_traits.hpp>
25 #include <boost/intrusive/trivial_value_traits.hpp> 27 #include <boost/intrusive/trivial_value_traits.hpp>
28 #include <boost/intrusive/slist.hpp> //make_slist
26 #include <cstddef> 29 #include <cstddef>
27 #include <boost/type_traits/make_unsigned.hpp> 30 #include <climits>
28 #include <boost/pointer_cast.hpp>
29 #include <boost/move/core.hpp> 31 #include <boost/move/core.hpp>
30 32
31 33
32 namespace boost { 34 namespace boost {
33 namespace intrusive { 35 namespace intrusive {
34 namespace detail { 36 namespace detail {
35
36 template<int Dummy = 0>
37 struct prime_list_holder
38 {
39 static const std::size_t prime_list[];
40 static const std::size_t prime_list_size;
41 };
42
43 template<int Dummy>
44 const std::size_t prime_list_holder<Dummy>::prime_list[] = {
45 3ul, 7ul, 11ul, 17ul, 29ul,
46 53ul, 97ul, 193ul, 389ul, 769ul,
47 1543ul, 3079ul, 6151ul, 12289ul, 24593ul,
48 49157ul, 98317ul, 196613ul, 393241ul, 786433ul,
49 1572869ul, 3145739ul, 6291469ul, 12582917ul, 25165843ul,
50 50331653ul, 100663319ul, 201326611ul, 402653189ul, 805306457ul,
51 1610612741ul, 3221225473ul, 4294967291ul };
52
53 template<int Dummy>
54 const std::size_t prime_list_holder<Dummy>::prime_list_size
55 = sizeof(prime_list)/sizeof(std::size_t);
56 37
57 template <class Slist> 38 template <class Slist>
58 struct bucket_impl : public Slist 39 struct bucket_impl : public Slist
59 { 40 {
60 typedef Slist slist_type; 41 typedef Slist slist_type;
161 //Reducing symbol length 142 //Reducing symbol length
162 struct type : make_slist 143 struct type : make_slist
163 < typename NodeTraits::node 144 < typename NodeTraits::node
164 , boost::intrusive::value_traits<trivial_traits> 145 , boost::intrusive::value_traits<trivial_traits>
165 , boost::intrusive::constant_time_size<false> 146 , boost::intrusive::constant_time_size<false>
166 , boost::intrusive::size_type<typename boost::make_unsigned 147 , boost::intrusive::size_type<std::size_t>
167 <typename pointer_traits<typename NodeTraits::node_ptr>::difference_type>::type >
168 >::type 148 >::type
169 {}; 149 {};
170 }; 150 };
171 151
172 } //namespace detail { 152 } //namespace detail {
173 153
174 template<class BucketValueTraits, bool IsConst> 154 template<class BucketValueTraits, bool IsConst>
175 class hashtable_iterator 155 class hashtable_iterator
176 : public std::iterator 156 {
157 typedef boost::intrusive::iterator
177 < std::forward_iterator_tag 158 < std::forward_iterator_tag
178 , typename BucketValueTraits::real_value_traits::value_type 159 , typename BucketValueTraits::value_traits::value_type
179 , typename pointer_traits<typename BucketValueTraits::real_value_traits::value_type*>::difference_type 160 , typename pointer_traits<typename BucketValueTraits::value_traits::value_type*>::difference_type
180 , typename detail::add_const_if_c 161 , typename detail::add_const_if_c
181 <typename BucketValueTraits::real_value_traits::value_type, IsConst>::type * 162 <typename BucketValueTraits::value_traits::value_type, IsConst>::type *
182 , typename detail::add_const_if_c 163 , typename detail::add_const_if_c
183 <typename BucketValueTraits::real_value_traits::value_type, IsConst>::type & 164 <typename BucketValueTraits::value_traits::value_type, IsConst>::type &
184 > 165 > iterator_traits;
185 { 166
186 typedef typename BucketValueTraits::real_value_traits real_value_traits; 167 typedef typename BucketValueTraits::value_traits value_traits;
187 typedef typename BucketValueTraits::real_bucket_traits real_bucket_traits; 168 typedef typename BucketValueTraits::bucket_traits bucket_traits;
188 typedef typename real_value_traits::node_traits node_traits; 169 typedef typename value_traits::node_traits node_traits;
189 typedef typename detail::get_slist_impl 170 typedef typename detail::get_slist_impl
190 <typename detail::reduced_slist_node_traits 171 <typename detail::reduced_slist_node_traits
191 <typename real_value_traits::node_traits>::type 172 <typename value_traits::node_traits>::type
192 >::type slist_impl; 173 >::type slist_impl;
193 typedef typename slist_impl::iterator siterator; 174 typedef typename slist_impl::iterator siterator;
194 typedef typename slist_impl::const_iterator const_siterator; 175 typedef typename slist_impl::const_iterator const_siterator;
195 typedef detail::bucket_impl<slist_impl> bucket_type; 176 typedef detail::bucket_impl<slist_impl> bucket_type;
196 177
197 typedef typename pointer_traits 178 typedef typename pointer_traits
198 <typename real_value_traits::pointer>::template rebind_pointer 179 <typename value_traits::pointer>::template rebind_pointer
199 < const BucketValueTraits >::type const_bucketvaltraits_ptr; 180 < const BucketValueTraits >::type const_bucketvaltraits_ptr;
200 typedef typename slist_impl::size_type size_type; 181 typedef typename slist_impl::size_type size_type;
201 182
202 183
203 static typename node_traits::node_ptr downcast_bucket(typename bucket_type::node_ptr p) 184 static typename node_traits::node_ptr downcast_bucket(typename bucket_type::node_ptr p)
205 return pointer_traits<typename node_traits::node_ptr>:: 186 return pointer_traits<typename node_traits::node_ptr>::
206 pointer_to(static_cast<typename node_traits::node&>(*p)); 187 pointer_to(static_cast<typename node_traits::node&>(*p));
207 } 188 }
208 189
209 public: 190 public:
210 typedef typename real_value_traits::value_type value_type; 191 typedef typename iterator_traits::difference_type difference_type;
211 typedef typename detail::add_const_if_c<value_type, IsConst>::type *pointer; 192 typedef typename iterator_traits::value_type value_type;
212 typedef typename detail::add_const_if_c<value_type, IsConst>::type &reference; 193 typedef typename iterator_traits::pointer pointer;
194 typedef typename iterator_traits::reference reference;
195 typedef typename iterator_traits::iterator_category iterator_category;
213 196
214 hashtable_iterator () 197 hashtable_iterator ()
198 : slist_it_() //Value initialization to achieve "null iterators" (N3644)
215 {} 199 {}
216 200
217 explicit hashtable_iterator(siterator ptr, const BucketValueTraits *cont) 201 explicit hashtable_iterator(siterator ptr, const BucketValueTraits *cont)
218 : slist_it_ (ptr), traitsptr_ (cont ? pointer_traits<const_bucketvaltraits_ptr>::pointer_to(*cont) : const_bucketvaltraits_ptr() ) 202 : slist_it_ (ptr), traitsptr_ (cont ? pointer_traits<const_bucketvaltraits_ptr>::pointer_to(*cont) : const_bucketvaltraits_ptr() )
219 {} 203 {}
248 reference operator*() const 232 reference operator*() const
249 { return *this->operator ->(); } 233 { return *this->operator ->(); }
250 234
251 pointer operator->() const 235 pointer operator->() const
252 { 236 {
253 return boost::intrusive::detail::to_raw_pointer(this->priv_real_value_traits().to_value_ptr 237 return boost::intrusive::detail::to_raw_pointer(this->priv_value_traits().to_value_ptr
254 (downcast_bucket(slist_it_.pointed_node()))); 238 (downcast_bucket(slist_it_.pointed_node())));
255 } 239 }
256 240
257 const const_bucketvaltraits_ptr &get_bucket_value_traits() const 241 const const_bucketvaltraits_ptr &get_bucket_value_traits() const
258 { return traitsptr_; } 242 { return traitsptr_; }
259 243
260 const real_value_traits &priv_real_value_traits() const 244 const value_traits &priv_value_traits() const
261 { return traitsptr_->priv_real_value_traits(); } 245 { return traitsptr_->priv_value_traits(); }
262 246
263 const real_bucket_traits &priv_real_bucket_traits() const 247 const bucket_traits &priv_bucket_traits() const
264 { return traitsptr_->priv_real_bucket_traits(); } 248 { return traitsptr_->priv_bucket_traits(); }
265 249
266 private: 250 private:
267 void increment() 251 void increment()
268 { 252 {
269 const real_bucket_traits &rbuck_traits = this->priv_real_bucket_traits(); 253 const bucket_traits &rbuck_traits = this->priv_bucket_traits();
270 bucket_type* const buckets = boost::intrusive::detail::to_raw_pointer(rbuck_traits.bucket_begin()); 254 bucket_type* const buckets = boost::intrusive::detail::to_raw_pointer(rbuck_traits.bucket_begin());
271 const size_type buckets_len = rbuck_traits.bucket_count(); 255 const size_type buckets_len = rbuck_traits.bucket_count();
272 256
273 ++slist_it_; 257 ++slist_it_;
274 const typename slist_impl::node_ptr n = slist_it_.pointed_node(); 258 const typename slist_impl::node_ptr n = slist_it_.pointed_node();