Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===----------------------------------------------------------------------===// |
| 3 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 4 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 5 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP__HASH_TABLE |
| 12 | #define _LIBCPP__HASH_TABLE |
| 13 | |
| 14 | #include <__config> |
| 15 | #include <initializer_list> |
| 16 | #include <memory> |
| 17 | #include <iterator> |
| 18 | #include <algorithm> |
| 19 | #include <cmath> |
| 20 | |
Howard Hinnant | 66c6f97 | 2011-11-29 16:45:27 +0000 | [diff] [blame] | 21 | #include <__undef_min_max> |
Saleem Abdulrasool | f1b30c4 | 2015-02-13 22:15:32 +0000 | [diff] [blame] | 22 | #include <__undef___deallocate> |
Howard Hinnant | 66c6f97 | 2011-11-29 16:45:27 +0000 | [diff] [blame] | 23 | |
Eric Fiselier | b953610 | 2014-08-10 23:53:08 +0000 | [diff] [blame] | 24 | #include <__debug> |
Howard Hinnant | 8b00e6c | 2013-08-02 00:26:35 +0000 | [diff] [blame] | 25 | |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 26 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 27 | #pragma GCC system_header |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 28 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 29 | |
| 30 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 31 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 32 | _LIBCPP_FUNC_VIS |
Howard Hinnant | 2b1b2d4 | 2011-06-14 19:58:17 +0000 | [diff] [blame] | 33 | size_t __next_prime(size_t __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 34 | |
| 35 | template <class _NodePtr> |
| 36 | struct __hash_node_base |
| 37 | { |
| 38 | typedef __hash_node_base __first_node; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 39 | |
Howard Hinnant | df85e57 | 2011-02-27 18:02:02 +0000 | [diff] [blame] | 40 | _NodePtr __next_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 41 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 42 | _LIBCPP_INLINE_VISIBILITY __hash_node_base() _NOEXCEPT : __next_(nullptr) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 43 | }; |
| 44 | |
| 45 | template <class _Tp, class _VoidPtr> |
| 46 | struct __hash_node |
| 47 | : public __hash_node_base |
| 48 | < |
| 49 | typename pointer_traits<_VoidPtr>::template |
| 50 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 51 | rebind<__hash_node<_Tp, _VoidPtr> > |
| 52 | #else |
| 53 | rebind<__hash_node<_Tp, _VoidPtr> >::other |
| 54 | #endif |
| 55 | > |
| 56 | { |
| 57 | typedef _Tp value_type; |
| 58 | |
| 59 | size_t __hash_; |
| 60 | value_type __value_; |
| 61 | }; |
| 62 | |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 63 | inline _LIBCPP_INLINE_VISIBILITY |
| 64 | bool |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 65 | __is_hash_power2(size_t __bc) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 66 | { |
| 67 | return __bc > 2 && !(__bc & (__bc - 1)); |
| 68 | } |
| 69 | |
| 70 | inline _LIBCPP_INLINE_VISIBILITY |
| 71 | size_t |
| 72 | __constrain_hash(size_t __h, size_t __bc) |
| 73 | { |
| 74 | return !(__bc & (__bc - 1)) ? __h & (__bc - 1) : __h % __bc; |
| 75 | } |
| 76 | |
| 77 | inline _LIBCPP_INLINE_VISIBILITY |
| 78 | size_t |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 79 | __next_hash_pow2(size_t __n) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 80 | { |
| 81 | return size_t(1) << (std::numeric_limits<size_t>::digits - __clz(__n-1)); |
| 82 | } |
| 83 | |
Howard Hinnant | 2b1b2d4 | 2011-06-14 19:58:17 +0000 | [diff] [blame] | 84 | template <class _Tp, class _Hash, class _Equal, class _Alloc> class __hash_table; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 85 | template <class _ConstNodePtr> class _LIBCPP_TYPE_VIS_ONLY __hash_const_iterator; |
| 86 | template <class _HashIterator> class _LIBCPP_TYPE_VIS_ONLY __hash_map_iterator; |
| 87 | template <class _HashIterator> class _LIBCPP_TYPE_VIS_ONLY __hash_map_const_iterator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 88 | |
| 89 | template <class _NodePtr> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 90 | class _LIBCPP_TYPE_VIS_ONLY __hash_iterator |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 91 | { |
| 92 | typedef _NodePtr __node_pointer; |
| 93 | |
| 94 | __node_pointer __node_; |
| 95 | |
| 96 | public: |
| 97 | typedef forward_iterator_tag iterator_category; |
| 98 | typedef typename pointer_traits<__node_pointer>::element_type::value_type value_type; |
| 99 | typedef typename pointer_traits<__node_pointer>::difference_type difference_type; |
| 100 | typedef value_type& reference; |
| 101 | typedef typename pointer_traits<__node_pointer>::template |
| 102 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 103 | rebind<value_type> |
| 104 | #else |
| 105 | rebind<value_type>::other |
| 106 | #endif |
| 107 | pointer; |
| 108 | |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 109 | _LIBCPP_INLINE_VISIBILITY __hash_iterator() _NOEXCEPT |
Marshall Clow | 193ef03 | 2013-08-07 21:30:44 +0000 | [diff] [blame] | 110 | #if _LIBCPP_STD_VER > 11 |
| 111 | : __node_(nullptr) |
| 112 | #endif |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 113 | { |
| 114 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 115 | __get_db()->__insert_i(this); |
| 116 | #endif |
| 117 | } |
| 118 | |
| 119 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 120 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 121 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 122 | __hash_iterator(const __hash_iterator& __i) |
| 123 | : __node_(__i.__node_) |
| 124 | { |
| 125 | __get_db()->__iterator_copy(this, &__i); |
| 126 | } |
| 127 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 128 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 129 | ~__hash_iterator() |
| 130 | { |
| 131 | __get_db()->__erase_i(this); |
| 132 | } |
| 133 | |
| 134 | _LIBCPP_INLINE_VISIBILITY |
| 135 | __hash_iterator& operator=(const __hash_iterator& __i) |
| 136 | { |
| 137 | if (this != &__i) |
| 138 | { |
| 139 | __get_db()->__iterator_copy(this, &__i); |
| 140 | __node_ = __i.__node_; |
| 141 | } |
| 142 | return *this; |
| 143 | } |
| 144 | |
| 145 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| 146 | |
| 147 | _LIBCPP_INLINE_VISIBILITY |
| 148 | reference operator*() const |
| 149 | { |
| 150 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 151 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 152 | "Attempted to dereference a non-dereferenceable unordered container iterator"); |
| 153 | #endif |
| 154 | return __node_->__value_; |
| 155 | } |
| 156 | _LIBCPP_INLINE_VISIBILITY |
| 157 | pointer operator->() const |
| 158 | { |
| 159 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 160 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 161 | "Attempted to dereference a non-dereferenceable unordered container iterator"); |
| 162 | #endif |
| 163 | return pointer_traits<pointer>::pointer_to(__node_->__value_); |
| 164 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 165 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 166 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 167 | __hash_iterator& operator++() |
| 168 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 169 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 170 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 171 | "Attempted to increment non-incrementable unordered container iterator"); |
| 172 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 173 | __node_ = __node_->__next_; |
| 174 | return *this; |
| 175 | } |
| 176 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 177 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 178 | __hash_iterator operator++(int) |
| 179 | { |
| 180 | __hash_iterator __t(*this); |
| 181 | ++(*this); |
| 182 | return __t; |
| 183 | } |
| 184 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 185 | friend _LIBCPP_INLINE_VISIBILITY |
| 186 | bool operator==(const __hash_iterator& __x, const __hash_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 187 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 188 | return __x.__node_ == __y.__node_; |
| 189 | } |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 190 | friend _LIBCPP_INLINE_VISIBILITY |
| 191 | bool operator!=(const __hash_iterator& __x, const __hash_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 192 | {return !(__x == __y);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 193 | |
| 194 | private: |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 195 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 196 | _LIBCPP_INLINE_VISIBILITY |
| 197 | __hash_iterator(__node_pointer __node, const void* __c) _NOEXCEPT |
| 198 | : __node_(__node) |
| 199 | { |
| 200 | __get_db()->__insert_ic(this, __c); |
| 201 | } |
| 202 | #else |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 203 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 204 | __hash_iterator(__node_pointer __node) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 205 | : __node_(__node) |
| 206 | {} |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 207 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 208 | |
| 209 | template <class, class, class, class> friend class __hash_table; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 210 | template <class> friend class _LIBCPP_TYPE_VIS_ONLY __hash_const_iterator; |
| 211 | template <class> friend class _LIBCPP_TYPE_VIS_ONLY __hash_map_iterator; |
| 212 | template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS_ONLY unordered_map; |
| 213 | template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS_ONLY unordered_multimap; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 214 | }; |
| 215 | |
| 216 | template <class _ConstNodePtr> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 217 | class _LIBCPP_TYPE_VIS_ONLY __hash_const_iterator |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 218 | { |
| 219 | typedef _ConstNodePtr __node_pointer; |
| 220 | |
| 221 | __node_pointer __node_; |
| 222 | |
| 223 | typedef typename remove_const< |
| 224 | typename pointer_traits<__node_pointer>::element_type |
| 225 | >::type __node; |
| 226 | |
| 227 | public: |
| 228 | typedef forward_iterator_tag iterator_category; |
| 229 | typedef typename __node::value_type value_type; |
| 230 | typedef typename pointer_traits<__node_pointer>::difference_type difference_type; |
| 231 | typedef const value_type& reference; |
| 232 | typedef typename pointer_traits<__node_pointer>::template |
| 233 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 234 | rebind<const value_type> |
| 235 | #else |
| 236 | rebind<const value_type>::other |
| 237 | #endif |
| 238 | pointer; |
| 239 | typedef typename pointer_traits<__node_pointer>::template |
| 240 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 241 | rebind<__node> |
| 242 | #else |
| 243 | rebind<__node>::other |
| 244 | #endif |
| 245 | __non_const_node_pointer; |
| 246 | typedef __hash_iterator<__non_const_node_pointer> __non_const_iterator; |
| 247 | |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 248 | _LIBCPP_INLINE_VISIBILITY __hash_const_iterator() _NOEXCEPT |
Marshall Clow | 193ef03 | 2013-08-07 21:30:44 +0000 | [diff] [blame] | 249 | #if _LIBCPP_STD_VER > 11 |
| 250 | : __node_(nullptr) |
| 251 | #endif |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 252 | { |
| 253 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 254 | __get_db()->__insert_i(this); |
| 255 | #endif |
| 256 | } |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 257 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 258 | __hash_const_iterator(const __non_const_iterator& __x) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 259 | : __node_(__x.__node_) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 260 | { |
| 261 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 262 | __get_db()->__iterator_copy(this, &__x); |
| 263 | #endif |
| 264 | } |
| 265 | |
| 266 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 267 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 268 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 269 | __hash_const_iterator(const __hash_const_iterator& __i) |
| 270 | : __node_(__i.__node_) |
| 271 | { |
| 272 | __get_db()->__iterator_copy(this, &__i); |
| 273 | } |
| 274 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 275 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 276 | ~__hash_const_iterator() |
| 277 | { |
| 278 | __get_db()->__erase_i(this); |
| 279 | } |
| 280 | |
| 281 | _LIBCPP_INLINE_VISIBILITY |
| 282 | __hash_const_iterator& operator=(const __hash_const_iterator& __i) |
| 283 | { |
| 284 | if (this != &__i) |
| 285 | { |
| 286 | __get_db()->__iterator_copy(this, &__i); |
| 287 | __node_ = __i.__node_; |
| 288 | } |
| 289 | return *this; |
| 290 | } |
| 291 | |
| 292 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| 293 | |
| 294 | _LIBCPP_INLINE_VISIBILITY |
| 295 | reference operator*() const |
| 296 | { |
| 297 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 298 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 299 | "Attempted to dereference a non-dereferenceable unordered container const_iterator"); |
| 300 | #endif |
| 301 | return __node_->__value_; |
| 302 | } |
| 303 | _LIBCPP_INLINE_VISIBILITY |
| 304 | pointer operator->() const |
| 305 | { |
| 306 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 307 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 308 | "Attempted to dereference a non-dereferenceable unordered container const_iterator"); |
| 309 | #endif |
| 310 | return pointer_traits<pointer>::pointer_to(__node_->__value_); |
| 311 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 312 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 313 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 314 | __hash_const_iterator& operator++() |
| 315 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 316 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 317 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 318 | "Attempted to increment non-incrementable unordered container const_iterator"); |
| 319 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 320 | __node_ = __node_->__next_; |
| 321 | return *this; |
| 322 | } |
| 323 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 324 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 325 | __hash_const_iterator operator++(int) |
| 326 | { |
| 327 | __hash_const_iterator __t(*this); |
| 328 | ++(*this); |
| 329 | return __t; |
| 330 | } |
| 331 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 332 | friend _LIBCPP_INLINE_VISIBILITY |
| 333 | bool operator==(const __hash_const_iterator& __x, const __hash_const_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 334 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 335 | return __x.__node_ == __y.__node_; |
| 336 | } |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 337 | friend _LIBCPP_INLINE_VISIBILITY |
| 338 | bool operator!=(const __hash_const_iterator& __x, const __hash_const_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 339 | {return !(__x == __y);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 340 | |
| 341 | private: |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 342 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 343 | _LIBCPP_INLINE_VISIBILITY |
| 344 | __hash_const_iterator(__node_pointer __node, const void* __c) _NOEXCEPT |
| 345 | : __node_(__node) |
| 346 | { |
| 347 | __get_db()->__insert_ic(this, __c); |
| 348 | } |
| 349 | #else |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 350 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 351 | __hash_const_iterator(__node_pointer __node) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 352 | : __node_(__node) |
| 353 | {} |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 354 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 355 | |
| 356 | template <class, class, class, class> friend class __hash_table; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 357 | template <class> friend class _LIBCPP_TYPE_VIS_ONLY __hash_map_const_iterator; |
| 358 | template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS_ONLY unordered_map; |
| 359 | template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS_ONLY unordered_multimap; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 360 | }; |
| 361 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 362 | template <class _ConstNodePtr> class _LIBCPP_TYPE_VIS_ONLY __hash_const_local_iterator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 363 | |
| 364 | template <class _NodePtr> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 365 | class _LIBCPP_TYPE_VIS_ONLY __hash_local_iterator |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 366 | { |
| 367 | typedef _NodePtr __node_pointer; |
| 368 | |
| 369 | __node_pointer __node_; |
| 370 | size_t __bucket_; |
| 371 | size_t __bucket_count_; |
| 372 | |
| 373 | typedef pointer_traits<__node_pointer> __pointer_traits; |
| 374 | public: |
| 375 | typedef forward_iterator_tag iterator_category; |
| 376 | typedef typename __pointer_traits::element_type::value_type value_type; |
| 377 | typedef typename __pointer_traits::difference_type difference_type; |
| 378 | typedef value_type& reference; |
| 379 | typedef typename __pointer_traits::template |
| 380 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 381 | rebind<value_type> |
| 382 | #else |
| 383 | rebind<value_type>::other |
| 384 | #endif |
| 385 | pointer; |
| 386 | |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 387 | _LIBCPP_INLINE_VISIBILITY __hash_local_iterator() _NOEXCEPT |
| 388 | { |
| 389 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 390 | __get_db()->__insert_i(this); |
| 391 | #endif |
| 392 | } |
| 393 | |
| 394 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 395 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 396 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 397 | __hash_local_iterator(const __hash_local_iterator& __i) |
| 398 | : __node_(__i.__node_), |
| 399 | __bucket_(__i.__bucket_), |
| 400 | __bucket_count_(__i.__bucket_count_) |
| 401 | { |
| 402 | __get_db()->__iterator_copy(this, &__i); |
| 403 | } |
| 404 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 405 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 406 | ~__hash_local_iterator() |
| 407 | { |
| 408 | __get_db()->__erase_i(this); |
| 409 | } |
| 410 | |
| 411 | _LIBCPP_INLINE_VISIBILITY |
| 412 | __hash_local_iterator& operator=(const __hash_local_iterator& __i) |
| 413 | { |
| 414 | if (this != &__i) |
| 415 | { |
| 416 | __get_db()->__iterator_copy(this, &__i); |
| 417 | __node_ = __i.__node_; |
| 418 | __bucket_ = __i.__bucket_; |
| 419 | __bucket_count_ = __i.__bucket_count_; |
| 420 | } |
| 421 | return *this; |
| 422 | } |
| 423 | |
| 424 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| 425 | |
| 426 | _LIBCPP_INLINE_VISIBILITY |
| 427 | reference operator*() const |
| 428 | { |
| 429 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 430 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 431 | "Attempted to dereference a non-dereferenceable unordered container local_iterator"); |
| 432 | #endif |
| 433 | return __node_->__value_; |
| 434 | } |
| 435 | _LIBCPP_INLINE_VISIBILITY |
| 436 | pointer operator->() const |
| 437 | { |
| 438 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 439 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 440 | "Attempted to dereference a non-dereferenceable unordered container local_iterator"); |
| 441 | #endif |
| 442 | return pointer_traits<pointer>::pointer_to(__node_->__value_); |
| 443 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 444 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 445 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 446 | __hash_local_iterator& operator++() |
| 447 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 448 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 449 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 450 | "Attempted to increment non-incrementable unordered container local_iterator"); |
| 451 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 452 | __node_ = __node_->__next_; |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 453 | if (__node_ != nullptr && __constrain_hash(__node_->__hash_, __bucket_count_) != __bucket_) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 454 | __node_ = nullptr; |
| 455 | return *this; |
| 456 | } |
| 457 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 458 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 459 | __hash_local_iterator operator++(int) |
| 460 | { |
| 461 | __hash_local_iterator __t(*this); |
| 462 | ++(*this); |
| 463 | return __t; |
| 464 | } |
| 465 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 466 | friend _LIBCPP_INLINE_VISIBILITY |
| 467 | bool operator==(const __hash_local_iterator& __x, const __hash_local_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 468 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 469 | return __x.__node_ == __y.__node_; |
| 470 | } |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 471 | friend _LIBCPP_INLINE_VISIBILITY |
| 472 | bool operator!=(const __hash_local_iterator& __x, const __hash_local_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 473 | {return !(__x == __y);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 474 | |
| 475 | private: |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 476 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 477 | _LIBCPP_INLINE_VISIBILITY |
| 478 | __hash_local_iterator(__node_pointer __node, size_t __bucket, |
| 479 | size_t __bucket_count, const void* __c) _NOEXCEPT |
| 480 | : __node_(__node), |
| 481 | __bucket_(__bucket), |
| 482 | __bucket_count_(__bucket_count) |
| 483 | { |
| 484 | __get_db()->__insert_ic(this, __c); |
| 485 | if (__node_ != nullptr) |
| 486 | __node_ = __node_->__next_; |
| 487 | } |
| 488 | #else |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 489 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 490 | __hash_local_iterator(__node_pointer __node, size_t __bucket, |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 491 | size_t __bucket_count) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 492 | : __node_(__node), |
| 493 | __bucket_(__bucket), |
| 494 | __bucket_count_(__bucket_count) |
| 495 | { |
| 496 | if (__node_ != nullptr) |
| 497 | __node_ = __node_->__next_; |
| 498 | } |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 499 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 500 | template <class, class, class, class> friend class __hash_table; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 501 | template <class> friend class _LIBCPP_TYPE_VIS_ONLY __hash_const_local_iterator; |
| 502 | template <class> friend class _LIBCPP_TYPE_VIS_ONLY __hash_map_iterator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 503 | }; |
| 504 | |
| 505 | template <class _ConstNodePtr> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 506 | class _LIBCPP_TYPE_VIS_ONLY __hash_const_local_iterator |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 507 | { |
| 508 | typedef _ConstNodePtr __node_pointer; |
| 509 | |
| 510 | __node_pointer __node_; |
| 511 | size_t __bucket_; |
| 512 | size_t __bucket_count_; |
| 513 | |
| 514 | typedef pointer_traits<__node_pointer> __pointer_traits; |
| 515 | typedef typename __pointer_traits::element_type __node; |
| 516 | typedef typename remove_const<__node>::type __non_const_node; |
| 517 | typedef typename pointer_traits<__node_pointer>::template |
| 518 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 519 | rebind<__non_const_node> |
| 520 | #else |
| 521 | rebind<__non_const_node>::other |
| 522 | #endif |
| 523 | __non_const_node_pointer; |
| 524 | typedef __hash_local_iterator<__non_const_node_pointer> |
| 525 | __non_const_iterator; |
| 526 | public: |
| 527 | typedef forward_iterator_tag iterator_category; |
| 528 | typedef typename remove_const< |
| 529 | typename __pointer_traits::element_type::value_type |
| 530 | >::type value_type; |
| 531 | typedef typename __pointer_traits::difference_type difference_type; |
| 532 | typedef const value_type& reference; |
| 533 | typedef typename __pointer_traits::template |
| 534 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 535 | rebind<const value_type> |
| 536 | #else |
| 537 | rebind<const value_type>::other |
| 538 | #endif |
| 539 | pointer; |
| 540 | |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 541 | _LIBCPP_INLINE_VISIBILITY __hash_const_local_iterator() _NOEXCEPT |
| 542 | { |
| 543 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 544 | __get_db()->__insert_i(this); |
| 545 | #endif |
| 546 | } |
| 547 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 548 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 549 | __hash_const_local_iterator(const __non_const_iterator& __x) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 550 | : __node_(__x.__node_), |
| 551 | __bucket_(__x.__bucket_), |
| 552 | __bucket_count_(__x.__bucket_count_) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 553 | { |
| 554 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 555 | __get_db()->__iterator_copy(this, &__x); |
| 556 | #endif |
| 557 | } |
| 558 | |
| 559 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 560 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 561 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 562 | __hash_const_local_iterator(const __hash_const_local_iterator& __i) |
| 563 | : __node_(__i.__node_), |
| 564 | __bucket_(__i.__bucket_), |
| 565 | __bucket_count_(__i.__bucket_count_) |
| 566 | { |
| 567 | __get_db()->__iterator_copy(this, &__i); |
| 568 | } |
| 569 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 570 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 571 | ~__hash_const_local_iterator() |
| 572 | { |
| 573 | __get_db()->__erase_i(this); |
| 574 | } |
| 575 | |
| 576 | _LIBCPP_INLINE_VISIBILITY |
| 577 | __hash_const_local_iterator& operator=(const __hash_const_local_iterator& __i) |
| 578 | { |
| 579 | if (this != &__i) |
| 580 | { |
| 581 | __get_db()->__iterator_copy(this, &__i); |
| 582 | __node_ = __i.__node_; |
| 583 | __bucket_ = __i.__bucket_; |
| 584 | __bucket_count_ = __i.__bucket_count_; |
| 585 | } |
| 586 | return *this; |
| 587 | } |
| 588 | |
| 589 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| 590 | |
| 591 | _LIBCPP_INLINE_VISIBILITY |
| 592 | reference operator*() const |
| 593 | { |
| 594 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 595 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 596 | "Attempted to dereference a non-dereferenceable unordered container const_local_iterator"); |
| 597 | #endif |
| 598 | return __node_->__value_; |
| 599 | } |
| 600 | _LIBCPP_INLINE_VISIBILITY |
| 601 | pointer operator->() const |
| 602 | { |
| 603 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 604 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 605 | "Attempted to dereference a non-dereferenceable unordered container const_local_iterator"); |
| 606 | #endif |
| 607 | return pointer_traits<pointer>::pointer_to(__node_->__value_); |
| 608 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 609 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 610 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 611 | __hash_const_local_iterator& operator++() |
| 612 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 613 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 614 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), |
| 615 | "Attempted to increment non-incrementable unordered container const_local_iterator"); |
| 616 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 617 | __node_ = __node_->__next_; |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 618 | if (__node_ != nullptr && __constrain_hash(__node_->__hash_, __bucket_count_) != __bucket_) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 619 | __node_ = nullptr; |
| 620 | return *this; |
| 621 | } |
| 622 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 623 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 624 | __hash_const_local_iterator operator++(int) |
| 625 | { |
| 626 | __hash_const_local_iterator __t(*this); |
| 627 | ++(*this); |
| 628 | return __t; |
| 629 | } |
| 630 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 631 | friend _LIBCPP_INLINE_VISIBILITY |
| 632 | bool operator==(const __hash_const_local_iterator& __x, const __hash_const_local_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 633 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 634 | return __x.__node_ == __y.__node_; |
| 635 | } |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 636 | friend _LIBCPP_INLINE_VISIBILITY |
| 637 | bool operator!=(const __hash_const_local_iterator& __x, const __hash_const_local_iterator& __y) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 638 | {return !(__x == __y);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 639 | |
| 640 | private: |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 641 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 642 | _LIBCPP_INLINE_VISIBILITY |
| 643 | __hash_const_local_iterator(__node_pointer __node, size_t __bucket, |
| 644 | size_t __bucket_count, const void* __c) _NOEXCEPT |
| 645 | : __node_(__node), |
| 646 | __bucket_(__bucket), |
| 647 | __bucket_count_(__bucket_count) |
| 648 | { |
| 649 | __get_db()->__insert_ic(this, __c); |
| 650 | if (__node_ != nullptr) |
| 651 | __node_ = __node_->__next_; |
| 652 | } |
| 653 | #else |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 654 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 655 | __hash_const_local_iterator(__node_pointer __node, size_t __bucket, |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 656 | size_t __bucket_count) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 657 | : __node_(__node), |
| 658 | __bucket_(__bucket), |
| 659 | __bucket_count_(__bucket_count) |
| 660 | { |
| 661 | if (__node_ != nullptr) |
| 662 | __node_ = __node_->__next_; |
| 663 | } |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 664 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 665 | template <class, class, class, class> friend class __hash_table; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 666 | template <class> friend class _LIBCPP_TYPE_VIS_ONLY __hash_map_const_iterator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 667 | }; |
| 668 | |
| 669 | template <class _Alloc> |
| 670 | class __bucket_list_deallocator |
| 671 | { |
| 672 | typedef _Alloc allocator_type; |
| 673 | typedef allocator_traits<allocator_type> __alloc_traits; |
| 674 | typedef typename __alloc_traits::size_type size_type; |
| 675 | |
| 676 | __compressed_pair<size_type, allocator_type> __data_; |
| 677 | public: |
| 678 | typedef typename __alloc_traits::pointer pointer; |
| 679 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 680 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 681 | __bucket_list_deallocator() |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 682 | _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 683 | : __data_(0) {} |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 684 | |
| 685 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 686 | __bucket_list_deallocator(const allocator_type& __a, size_type __size) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 687 | _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 688 | : __data_(__size, __a) {} |
| 689 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 690 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 691 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 692 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 693 | __bucket_list_deallocator(__bucket_list_deallocator&& __x) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 694 | _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 695 | : __data_(_VSTD::move(__x.__data_)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 696 | { |
| 697 | __x.size() = 0; |
| 698 | } |
| 699 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 700 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 701 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 702 | _LIBCPP_INLINE_VISIBILITY |
| 703 | size_type& size() _NOEXCEPT {return __data_.first();} |
| 704 | _LIBCPP_INLINE_VISIBILITY |
| 705 | size_type size() const _NOEXCEPT {return __data_.first();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 706 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 707 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 708 | allocator_type& __alloc() _NOEXCEPT {return __data_.second();} |
| 709 | _LIBCPP_INLINE_VISIBILITY |
| 710 | const allocator_type& __alloc() const _NOEXCEPT {return __data_.second();} |
| 711 | |
| 712 | _LIBCPP_INLINE_VISIBILITY |
| 713 | void operator()(pointer __p) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 714 | { |
| 715 | __alloc_traits::deallocate(__alloc(), __p, size()); |
| 716 | } |
| 717 | }; |
| 718 | |
Howard Hinnant | 2b1b2d4 | 2011-06-14 19:58:17 +0000 | [diff] [blame] | 719 | template <class _Alloc> class __hash_map_node_destructor; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 720 | |
| 721 | template <class _Alloc> |
| 722 | class __hash_node_destructor |
| 723 | { |
| 724 | typedef _Alloc allocator_type; |
| 725 | typedef allocator_traits<allocator_type> __alloc_traits; |
| 726 | typedef typename __alloc_traits::value_type::value_type value_type; |
| 727 | public: |
| 728 | typedef typename __alloc_traits::pointer pointer; |
| 729 | private: |
| 730 | |
| 731 | allocator_type& __na_; |
| 732 | |
| 733 | __hash_node_destructor& operator=(const __hash_node_destructor&); |
| 734 | |
| 735 | public: |
| 736 | bool __value_constructed; |
| 737 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 738 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 199d0ae | 2011-07-31 17:04:30 +0000 | [diff] [blame] | 739 | explicit __hash_node_destructor(allocator_type& __na, |
| 740 | bool __constructed = false) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 741 | : __na_(__na), |
Howard Hinnant | 199d0ae | 2011-07-31 17:04:30 +0000 | [diff] [blame] | 742 | __value_constructed(__constructed) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 743 | {} |
| 744 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 745 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 746 | void operator()(pointer __p) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 747 | { |
| 748 | if (__value_constructed) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 749 | __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 750 | if (__p) |
| 751 | __alloc_traits::deallocate(__na_, __p, 1); |
| 752 | } |
| 753 | |
| 754 | template <class> friend class __hash_map_node_destructor; |
| 755 | }; |
| 756 | |
| 757 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 758 | class __hash_table |
| 759 | { |
| 760 | public: |
| 761 | typedef _Tp value_type; |
| 762 | typedef _Hash hasher; |
| 763 | typedef _Equal key_equal; |
| 764 | typedef _Alloc allocator_type; |
| 765 | |
| 766 | private: |
| 767 | typedef allocator_traits<allocator_type> __alloc_traits; |
| 768 | public: |
| 769 | typedef value_type& reference; |
| 770 | typedef const value_type& const_reference; |
| 771 | typedef typename __alloc_traits::pointer pointer; |
| 772 | typedef typename __alloc_traits::const_pointer const_pointer; |
| 773 | typedef typename __alloc_traits::size_type size_type; |
| 774 | typedef typename __alloc_traits::difference_type difference_type; |
| 775 | public: |
| 776 | // Create __node |
| 777 | typedef __hash_node<value_type, typename __alloc_traits::void_pointer> __node; |
Marshall Clow | 66302c6 | 2015-04-07 05:21:38 +0000 | [diff] [blame] | 778 | typedef typename __rebind_alloc_helper<__alloc_traits, __node>::type __node_allocator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 779 | typedef allocator_traits<__node_allocator> __node_traits; |
| 780 | typedef typename __node_traits::pointer __node_pointer; |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 781 | typedef typename __node_traits::pointer __node_const_pointer; |
Howard Hinnant | f8880d0 | 2011-12-12 17:26:24 +0000 | [diff] [blame] | 782 | typedef __hash_node_base<__node_pointer> __first_node; |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 783 | typedef typename pointer_traits<__node_pointer>::template |
| 784 | #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
| 785 | rebind<__first_node> |
| 786 | #else |
| 787 | rebind<__first_node>::other |
| 788 | #endif |
| 789 | __node_base_pointer; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 790 | |
| 791 | private: |
| 792 | |
Marshall Clow | 66302c6 | 2015-04-07 05:21:38 +0000 | [diff] [blame] | 793 | typedef typename __rebind_alloc_helper<__node_traits, __node_pointer>::type __pointer_allocator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 794 | typedef __bucket_list_deallocator<__pointer_allocator> __bucket_list_deleter; |
| 795 | typedef unique_ptr<__node_pointer[], __bucket_list_deleter> __bucket_list; |
| 796 | typedef allocator_traits<__pointer_allocator> __pointer_alloc_traits; |
| 797 | typedef typename __bucket_list_deleter::pointer __node_pointer_pointer; |
| 798 | |
| 799 | // --- Member data begin --- |
| 800 | __bucket_list __bucket_list_; |
| 801 | __compressed_pair<__first_node, __node_allocator> __p1_; |
| 802 | __compressed_pair<size_type, hasher> __p2_; |
| 803 | __compressed_pair<float, key_equal> __p3_; |
| 804 | // --- Member data end --- |
| 805 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 806 | _LIBCPP_INLINE_VISIBILITY |
| 807 | size_type& size() _NOEXCEPT {return __p2_.first();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 808 | public: |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 809 | _LIBCPP_INLINE_VISIBILITY |
| 810 | size_type size() const _NOEXCEPT {return __p2_.first();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 811 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 812 | _LIBCPP_INLINE_VISIBILITY |
| 813 | hasher& hash_function() _NOEXCEPT {return __p2_.second();} |
| 814 | _LIBCPP_INLINE_VISIBILITY |
| 815 | const hasher& hash_function() const _NOEXCEPT {return __p2_.second();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 816 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 817 | _LIBCPP_INLINE_VISIBILITY |
| 818 | float& max_load_factor() _NOEXCEPT {return __p3_.first();} |
| 819 | _LIBCPP_INLINE_VISIBILITY |
| 820 | float max_load_factor() const _NOEXCEPT {return __p3_.first();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 821 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 822 | _LIBCPP_INLINE_VISIBILITY |
| 823 | key_equal& key_eq() _NOEXCEPT {return __p3_.second();} |
| 824 | _LIBCPP_INLINE_VISIBILITY |
| 825 | const key_equal& key_eq() const _NOEXCEPT {return __p3_.second();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 826 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 827 | _LIBCPP_INLINE_VISIBILITY |
| 828 | __node_allocator& __node_alloc() _NOEXCEPT {return __p1_.second();} |
| 829 | _LIBCPP_INLINE_VISIBILITY |
| 830 | const __node_allocator& __node_alloc() const _NOEXCEPT |
| 831 | {return __p1_.second();} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 832 | |
| 833 | public: |
| 834 | typedef __hash_iterator<__node_pointer> iterator; |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 835 | typedef __hash_const_iterator<__node_pointer> const_iterator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 836 | typedef __hash_local_iterator<__node_pointer> local_iterator; |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 837 | typedef __hash_const_local_iterator<__node_pointer> const_local_iterator; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 838 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 839 | __hash_table() |
| 840 | _NOEXCEPT_( |
| 841 | is_nothrow_default_constructible<__bucket_list>::value && |
| 842 | is_nothrow_default_constructible<__first_node>::value && |
| 843 | is_nothrow_default_constructible<__node_allocator>::value && |
| 844 | is_nothrow_default_constructible<hasher>::value && |
| 845 | is_nothrow_default_constructible<key_equal>::value); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 846 | __hash_table(const hasher& __hf, const key_equal& __eql); |
| 847 | __hash_table(const hasher& __hf, const key_equal& __eql, |
| 848 | const allocator_type& __a); |
| 849 | explicit __hash_table(const allocator_type& __a); |
| 850 | __hash_table(const __hash_table& __u); |
| 851 | __hash_table(const __hash_table& __u, const allocator_type& __a); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 852 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 853 | __hash_table(__hash_table&& __u) |
| 854 | _NOEXCEPT_( |
| 855 | is_nothrow_move_constructible<__bucket_list>::value && |
| 856 | is_nothrow_move_constructible<__first_node>::value && |
| 857 | is_nothrow_move_constructible<__node_allocator>::value && |
| 858 | is_nothrow_move_constructible<hasher>::value && |
| 859 | is_nothrow_move_constructible<key_equal>::value); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 860 | __hash_table(__hash_table&& __u, const allocator_type& __a); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 861 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 862 | ~__hash_table(); |
| 863 | |
| 864 | __hash_table& operator=(const __hash_table& __u); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 865 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 866 | __hash_table& operator=(__hash_table&& __u) |
| 867 | _NOEXCEPT_( |
| 868 | __node_traits::propagate_on_container_move_assignment::value && |
| 869 | is_nothrow_move_assignable<__node_allocator>::value && |
| 870 | is_nothrow_move_assignable<hasher>::value && |
| 871 | is_nothrow_move_assignable<key_equal>::value); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 872 | #endif |
| 873 | template <class _InputIterator> |
| 874 | void __assign_unique(_InputIterator __first, _InputIterator __last); |
| 875 | template <class _InputIterator> |
| 876 | void __assign_multi(_InputIterator __first, _InputIterator __last); |
| 877 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 878 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 879 | size_type max_size() const _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 880 | { |
| 881 | return allocator_traits<__pointer_allocator>::max_size( |
| 882 | __bucket_list_.get_deleter().__alloc()); |
| 883 | } |
| 884 | |
| 885 | pair<iterator, bool> __node_insert_unique(__node_pointer __nd); |
| 886 | iterator __node_insert_multi(__node_pointer __nd); |
| 887 | iterator __node_insert_multi(const_iterator __p, |
| 888 | __node_pointer __nd); |
| 889 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 890 | #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 891 | template <class... _Args> |
| 892 | pair<iterator, bool> __emplace_unique(_Args&&... __args); |
| 893 | template <class... _Args> |
| 894 | iterator __emplace_multi(_Args&&... __args); |
| 895 | template <class... _Args> |
| 896 | iterator __emplace_hint_multi(const_iterator __p, _Args&&... __args); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 897 | #endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 898 | |
| 899 | pair<iterator, bool> __insert_unique(const value_type& __x); |
| 900 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 901 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 902 | template <class _Pp> |
| 903 | pair<iterator, bool> __insert_unique(_Pp&& __x); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 904 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 905 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 906 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 907 | template <class _Pp> |
| 908 | iterator __insert_multi(_Pp&& __x); |
| 909 | template <class _Pp> |
| 910 | iterator __insert_multi(const_iterator __p, _Pp&& __x); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 911 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 912 | iterator __insert_multi(const value_type& __x); |
| 913 | iterator __insert_multi(const_iterator __p, const value_type& __x); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 914 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 915 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 916 | void clear() _NOEXCEPT; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 917 | void rehash(size_type __n); |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 918 | _LIBCPP_INLINE_VISIBILITY void reserve(size_type __n) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 919 | {rehash(static_cast<size_type>(ceil(__n / max_load_factor())));} |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 920 | |
| 921 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 922 | size_type bucket_count() const _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 923 | { |
| 924 | return __bucket_list_.get_deleter().size(); |
| 925 | } |
| 926 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 927 | iterator begin() _NOEXCEPT; |
| 928 | iterator end() _NOEXCEPT; |
| 929 | const_iterator begin() const _NOEXCEPT; |
| 930 | const_iterator end() const _NOEXCEPT; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 931 | |
| 932 | template <class _Key> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 933 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 934 | size_type bucket(const _Key& __k) const |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 935 | { |
| 936 | _LIBCPP_ASSERT(bucket_count() > 0, |
| 937 | "unordered container::bucket(key) called when bucket_count() == 0"); |
| 938 | return __constrain_hash(hash_function()(__k), bucket_count()); |
| 939 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 940 | |
| 941 | template <class _Key> |
| 942 | iterator find(const _Key& __x); |
| 943 | template <class _Key> |
| 944 | const_iterator find(const _Key& __x) const; |
| 945 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 946 | typedef __hash_node_destructor<__node_allocator> _Dp; |
| 947 | typedef unique_ptr<__node, _Dp> __node_holder; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 948 | |
| 949 | iterator erase(const_iterator __p); |
| 950 | iterator erase(const_iterator __first, const_iterator __last); |
| 951 | template <class _Key> |
| 952 | size_type __erase_unique(const _Key& __k); |
| 953 | template <class _Key> |
| 954 | size_type __erase_multi(const _Key& __k); |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 955 | __node_holder remove(const_iterator __p) _NOEXCEPT; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 956 | |
| 957 | template <class _Key> |
| 958 | size_type __count_unique(const _Key& __k) const; |
| 959 | template <class _Key> |
| 960 | size_type __count_multi(const _Key& __k) const; |
| 961 | |
| 962 | template <class _Key> |
| 963 | pair<iterator, iterator> |
| 964 | __equal_range_unique(const _Key& __k); |
| 965 | template <class _Key> |
| 966 | pair<const_iterator, const_iterator> |
| 967 | __equal_range_unique(const _Key& __k) const; |
| 968 | |
| 969 | template <class _Key> |
| 970 | pair<iterator, iterator> |
| 971 | __equal_range_multi(const _Key& __k); |
| 972 | template <class _Key> |
| 973 | pair<const_iterator, const_iterator> |
| 974 | __equal_range_multi(const _Key& __k) const; |
| 975 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 976 | void swap(__hash_table& __u) |
| 977 | _NOEXCEPT_( |
| 978 | (!allocator_traits<__pointer_allocator>::propagate_on_container_swap::value || |
| 979 | __is_nothrow_swappable<__pointer_allocator>::value) && |
| 980 | (!__node_traits::propagate_on_container_swap::value || |
| 981 | __is_nothrow_swappable<__node_allocator>::value) && |
| 982 | __is_nothrow_swappable<hasher>::value && |
| 983 | __is_nothrow_swappable<key_equal>::value); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 984 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 985 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 986 | size_type max_bucket_count() const _NOEXCEPT |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 987 | {return __pointer_alloc_traits::max_size(__bucket_list_.get_deleter().__alloc());} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 988 | size_type bucket_size(size_type __n) const; |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 989 | _LIBCPP_INLINE_VISIBILITY float load_factor() const _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 990 | { |
| 991 | size_type __bc = bucket_count(); |
| 992 | return __bc != 0 ? (float)size() / __bc : 0.f; |
| 993 | } |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 994 | _LIBCPP_INLINE_VISIBILITY void max_load_factor(float __mlf) _NOEXCEPT |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 995 | { |
| 996 | _LIBCPP_ASSERT(__mlf > 0, |
| 997 | "unordered container::max_load_factor(lf) called with lf <= 0"); |
| 998 | max_load_factor() = _VSTD::max(__mlf, load_factor()); |
| 999 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1000 | |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1001 | _LIBCPP_INLINE_VISIBILITY |
| 1002 | local_iterator |
| 1003 | begin(size_type __n) |
| 1004 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1005 | _LIBCPP_ASSERT(__n < bucket_count(), |
| 1006 | "unordered container::begin(n) called with n >= bucket_count()"); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1007 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1008 | return local_iterator(__bucket_list_[__n], __n, bucket_count(), this); |
| 1009 | #else |
| 1010 | return local_iterator(__bucket_list_[__n], __n, bucket_count()); |
| 1011 | #endif |
| 1012 | } |
| 1013 | |
| 1014 | _LIBCPP_INLINE_VISIBILITY |
| 1015 | local_iterator |
| 1016 | end(size_type __n) |
| 1017 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1018 | _LIBCPP_ASSERT(__n < bucket_count(), |
| 1019 | "unordered container::end(n) called with n >= bucket_count()"); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1020 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1021 | return local_iterator(nullptr, __n, bucket_count(), this); |
| 1022 | #else |
| 1023 | return local_iterator(nullptr, __n, bucket_count()); |
| 1024 | #endif |
| 1025 | } |
| 1026 | |
| 1027 | _LIBCPP_INLINE_VISIBILITY |
| 1028 | const_local_iterator |
| 1029 | cbegin(size_type __n) const |
| 1030 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1031 | _LIBCPP_ASSERT(__n < bucket_count(), |
| 1032 | "unordered container::cbegin(n) called with n >= bucket_count()"); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1033 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1034 | return const_local_iterator(__bucket_list_[__n], __n, bucket_count(), this); |
| 1035 | #else |
| 1036 | return const_local_iterator(__bucket_list_[__n], __n, bucket_count()); |
| 1037 | #endif |
| 1038 | } |
| 1039 | |
| 1040 | _LIBCPP_INLINE_VISIBILITY |
| 1041 | const_local_iterator |
| 1042 | cend(size_type __n) const |
| 1043 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1044 | _LIBCPP_ASSERT(__n < bucket_count(), |
| 1045 | "unordered container::cend(n) called with n >= bucket_count()"); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1046 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1047 | return const_local_iterator(nullptr, __n, bucket_count(), this); |
| 1048 | #else |
| 1049 | return const_local_iterator(nullptr, __n, bucket_count()); |
| 1050 | #endif |
| 1051 | } |
| 1052 | |
| 1053 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1054 | |
| 1055 | bool __dereferenceable(const const_iterator* __i) const; |
| 1056 | bool __decrementable(const const_iterator* __i) const; |
| 1057 | bool __addable(const const_iterator* __i, ptrdiff_t __n) const; |
| 1058 | bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const; |
| 1059 | |
| 1060 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| 1061 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1062 | private: |
| 1063 | void __rehash(size_type __n); |
| 1064 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1065 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1066 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1067 | template <class ..._Args> |
| 1068 | __node_holder __construct_node(_Args&& ...__args); |
Howard Hinnant | bfd5530 | 2010-09-04 23:46:48 +0000 | [diff] [blame] | 1069 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1070 | __node_holder __construct_node(value_type&& __v, size_t __hash); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1071 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1072 | __node_holder __construct_node(const value_type& __v); |
| 1073 | #endif |
| 1074 | __node_holder __construct_node(const value_type& __v, size_t __hash); |
| 1075 | |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1076 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1077 | void __copy_assign_alloc(const __hash_table& __u) |
| 1078 | {__copy_assign_alloc(__u, integral_constant<bool, |
| 1079 | __node_traits::propagate_on_container_copy_assignment::value>());} |
| 1080 | void __copy_assign_alloc(const __hash_table& __u, true_type); |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1081 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1082 | void __copy_assign_alloc(const __hash_table&, false_type) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1083 | |
| 1084 | void __move_assign(__hash_table& __u, false_type); |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1085 | void __move_assign(__hash_table& __u, true_type) |
| 1086 | _NOEXCEPT_( |
| 1087 | is_nothrow_move_assignable<__node_allocator>::value && |
| 1088 | is_nothrow_move_assignable<hasher>::value && |
| 1089 | is_nothrow_move_assignable<key_equal>::value); |
| 1090 | _LIBCPP_INLINE_VISIBILITY |
| 1091 | void __move_assign_alloc(__hash_table& __u) |
| 1092 | _NOEXCEPT_( |
| 1093 | !__node_traits::propagate_on_container_move_assignment::value || |
| 1094 | (is_nothrow_move_assignable<__pointer_allocator>::value && |
| 1095 | is_nothrow_move_assignable<__node_allocator>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1096 | {__move_assign_alloc(__u, integral_constant<bool, |
| 1097 | __node_traits::propagate_on_container_move_assignment::value>());} |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1098 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1099 | void __move_assign_alloc(__hash_table& __u, true_type) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1100 | _NOEXCEPT_( |
| 1101 | is_nothrow_move_assignable<__pointer_allocator>::value && |
| 1102 | is_nothrow_move_assignable<__node_allocator>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1103 | { |
| 1104 | __bucket_list_.get_deleter().__alloc() = |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1105 | _VSTD::move(__u.__bucket_list_.get_deleter().__alloc()); |
| 1106 | __node_alloc() = _VSTD::move(__u.__node_alloc()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1107 | } |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1108 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1109 | void __move_assign_alloc(__hash_table&, false_type) _NOEXCEPT {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1110 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1111 | template <class _Ap> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1112 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1113 | static |
| 1114 | void |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1115 | __swap_alloc(_Ap& __x, _Ap& __y) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1116 | _NOEXCEPT_( |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1117 | !allocator_traits<_Ap>::propagate_on_container_swap::value || |
| 1118 | __is_nothrow_swappable<_Ap>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1119 | { |
| 1120 | __swap_alloc(__x, __y, |
| 1121 | integral_constant<bool, |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1122 | allocator_traits<_Ap>::propagate_on_container_swap::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1123 | >()); |
| 1124 | } |
| 1125 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1126 | template <class _Ap> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1127 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1128 | static |
| 1129 | void |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1130 | __swap_alloc(_Ap& __x, _Ap& __y, true_type) |
| 1131 | _NOEXCEPT_(__is_nothrow_swappable<_Ap>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1132 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1133 | using _VSTD::swap; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1134 | swap(__x, __y); |
| 1135 | } |
| 1136 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1137 | template <class _Ap> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1138 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1139 | static |
| 1140 | void |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1141 | __swap_alloc(_Ap&, _Ap&, false_type) _NOEXCEPT {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1142 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1143 | void __deallocate(__node_pointer __np) _NOEXCEPT; |
| 1144 | __node_pointer __detach() _NOEXCEPT; |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1145 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1146 | template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS_ONLY unordered_map; |
| 1147 | template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS_ONLY unordered_multimap; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1148 | }; |
| 1149 | |
| 1150 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1151 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1152 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table() |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1153 | _NOEXCEPT_( |
| 1154 | is_nothrow_default_constructible<__bucket_list>::value && |
| 1155 | is_nothrow_default_constructible<__first_node>::value && |
| 1156 | is_nothrow_default_constructible<hasher>::value && |
| 1157 | is_nothrow_default_constructible<key_equal>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1158 | : __p2_(0), |
| 1159 | __p3_(1.0f) |
| 1160 | { |
| 1161 | } |
| 1162 | |
| 1163 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1164 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1165 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(const hasher& __hf, |
| 1166 | const key_equal& __eql) |
| 1167 | : __bucket_list_(nullptr, __bucket_list_deleter()), |
| 1168 | __p1_(), |
| 1169 | __p2_(0, __hf), |
| 1170 | __p3_(1.0f, __eql) |
| 1171 | { |
| 1172 | } |
| 1173 | |
| 1174 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1175 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(const hasher& __hf, |
| 1176 | const key_equal& __eql, |
| 1177 | const allocator_type& __a) |
| 1178 | : __bucket_list_(nullptr, __bucket_list_deleter(__pointer_allocator(__a), 0)), |
| 1179 | __p1_(__node_allocator(__a)), |
| 1180 | __p2_(0, __hf), |
| 1181 | __p3_(1.0f, __eql) |
| 1182 | { |
| 1183 | } |
| 1184 | |
| 1185 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1186 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(const allocator_type& __a) |
| 1187 | : __bucket_list_(nullptr, __bucket_list_deleter(__pointer_allocator(__a), 0)), |
| 1188 | __p1_(__node_allocator(__a)), |
| 1189 | __p2_(0), |
| 1190 | __p3_(1.0f) |
| 1191 | { |
| 1192 | } |
| 1193 | |
| 1194 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1195 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(const __hash_table& __u) |
| 1196 | : __bucket_list_(nullptr, |
| 1197 | __bucket_list_deleter(allocator_traits<__pointer_allocator>:: |
| 1198 | select_on_container_copy_construction( |
| 1199 | __u.__bucket_list_.get_deleter().__alloc()), 0)), |
| 1200 | __p1_(allocator_traits<__node_allocator>:: |
| 1201 | select_on_container_copy_construction(__u.__node_alloc())), |
| 1202 | __p2_(0, __u.hash_function()), |
| 1203 | __p3_(__u.__p3_) |
| 1204 | { |
| 1205 | } |
| 1206 | |
| 1207 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1208 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(const __hash_table& __u, |
| 1209 | const allocator_type& __a) |
| 1210 | : __bucket_list_(nullptr, __bucket_list_deleter(__pointer_allocator(__a), 0)), |
| 1211 | __p1_(__node_allocator(__a)), |
| 1212 | __p2_(0, __u.hash_function()), |
| 1213 | __p3_(__u.__p3_) |
| 1214 | { |
| 1215 | } |
| 1216 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1217 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1218 | |
| 1219 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1220 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(__hash_table&& __u) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1221 | _NOEXCEPT_( |
| 1222 | is_nothrow_move_constructible<__bucket_list>::value && |
| 1223 | is_nothrow_move_constructible<__first_node>::value && |
| 1224 | is_nothrow_move_constructible<hasher>::value && |
| 1225 | is_nothrow_move_constructible<key_equal>::value) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1226 | : __bucket_list_(_VSTD::move(__u.__bucket_list_)), |
| 1227 | __p1_(_VSTD::move(__u.__p1_)), |
| 1228 | __p2_(_VSTD::move(__u.__p2_)), |
| 1229 | __p3_(_VSTD::move(__u.__p3_)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1230 | { |
| 1231 | if (size() > 0) |
| 1232 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1233 | __bucket_list_[__constrain_hash(__p1_.first().__next_->__hash_, bucket_count())] = |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1234 | static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1235 | __u.__p1_.first().__next_ = nullptr; |
| 1236 | __u.size() = 0; |
| 1237 | } |
| 1238 | } |
| 1239 | |
| 1240 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1241 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(__hash_table&& __u, |
| 1242 | const allocator_type& __a) |
| 1243 | : __bucket_list_(nullptr, __bucket_list_deleter(__pointer_allocator(__a), 0)), |
| 1244 | __p1_(__node_allocator(__a)), |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1245 | __p2_(0, _VSTD::move(__u.hash_function())), |
| 1246 | __p3_(_VSTD::move(__u.__p3_)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1247 | { |
| 1248 | if (__a == allocator_type(__u.__node_alloc())) |
| 1249 | { |
| 1250 | __bucket_list_.reset(__u.__bucket_list_.release()); |
| 1251 | __bucket_list_.get_deleter().size() = __u.__bucket_list_.get_deleter().size(); |
| 1252 | __u.__bucket_list_.get_deleter().size() = 0; |
| 1253 | if (__u.size() > 0) |
| 1254 | { |
| 1255 | __p1_.first().__next_ = __u.__p1_.first().__next_; |
| 1256 | __u.__p1_.first().__next_ = nullptr; |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1257 | __bucket_list_[__constrain_hash(__p1_.first().__next_->__hash_, bucket_count())] = |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1258 | static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1259 | size() = __u.size(); |
| 1260 | __u.size() = 0; |
| 1261 | } |
| 1262 | } |
| 1263 | } |
| 1264 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1265 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1266 | |
| 1267 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1268 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::~__hash_table() |
| 1269 | { |
| 1270 | __deallocate(__p1_.first().__next_); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1271 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1272 | __get_db()->__erase_c(this); |
| 1273 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1274 | } |
| 1275 | |
| 1276 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1277 | void |
| 1278 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__copy_assign_alloc( |
| 1279 | const __hash_table& __u, true_type) |
| 1280 | { |
| 1281 | if (__node_alloc() != __u.__node_alloc()) |
| 1282 | { |
| 1283 | clear(); |
| 1284 | __bucket_list_.reset(); |
| 1285 | __bucket_list_.get_deleter().size() = 0; |
| 1286 | } |
| 1287 | __bucket_list_.get_deleter().__alloc() = __u.__bucket_list_.get_deleter().__alloc(); |
| 1288 | __node_alloc() = __u.__node_alloc(); |
| 1289 | } |
| 1290 | |
| 1291 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1292 | __hash_table<_Tp, _Hash, _Equal, _Alloc>& |
| 1293 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::operator=(const __hash_table& __u) |
| 1294 | { |
| 1295 | if (this != &__u) |
| 1296 | { |
| 1297 | __copy_assign_alloc(__u); |
| 1298 | hash_function() = __u.hash_function(); |
| 1299 | key_eq() = __u.key_eq(); |
| 1300 | max_load_factor() = __u.max_load_factor(); |
| 1301 | __assign_multi(__u.begin(), __u.end()); |
| 1302 | } |
| 1303 | return *this; |
| 1304 | } |
| 1305 | |
| 1306 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1307 | void |
| 1308 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__deallocate(__node_pointer __np) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1309 | _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1310 | { |
| 1311 | __node_allocator& __na = __node_alloc(); |
| 1312 | while (__np != nullptr) |
| 1313 | { |
| 1314 | __node_pointer __next = __np->__next_; |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1315 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1316 | __c_node* __c = __get_db()->__find_c_and_lock(this); |
| 1317 | for (__i_node** __p = __c->end_; __p != __c->beg_; ) |
| 1318 | { |
| 1319 | --__p; |
| 1320 | iterator* __i = static_cast<iterator*>((*__p)->__i_); |
| 1321 | if (__i->__node_ == __np) |
| 1322 | { |
| 1323 | (*__p)->__c_ = nullptr; |
| 1324 | if (--__c->end_ != __p) |
| 1325 | memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); |
| 1326 | } |
| 1327 | } |
| 1328 | __get_db()->unlock(); |
| 1329 | #endif |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1330 | __node_traits::destroy(__na, _VSTD::addressof(__np->__value_)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1331 | __node_traits::deallocate(__na, __np, 1); |
| 1332 | __np = __next; |
| 1333 | } |
| 1334 | } |
| 1335 | |
| 1336 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1337 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_pointer |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1338 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__detach() _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1339 | { |
| 1340 | size_type __bc = bucket_count(); |
| 1341 | for (size_type __i = 0; __i < __bc; ++__i) |
| 1342 | __bucket_list_[__i] = nullptr; |
| 1343 | size() = 0; |
| 1344 | __node_pointer __cache = __p1_.first().__next_; |
| 1345 | __p1_.first().__next_ = nullptr; |
| 1346 | return __cache; |
| 1347 | } |
| 1348 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1349 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1350 | |
| 1351 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1352 | void |
| 1353 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign( |
| 1354 | __hash_table& __u, true_type) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1355 | _NOEXCEPT_( |
| 1356 | is_nothrow_move_assignable<__node_allocator>::value && |
| 1357 | is_nothrow_move_assignable<hasher>::value && |
| 1358 | is_nothrow_move_assignable<key_equal>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1359 | { |
| 1360 | clear(); |
| 1361 | __bucket_list_.reset(__u.__bucket_list_.release()); |
| 1362 | __bucket_list_.get_deleter().size() = __u.__bucket_list_.get_deleter().size(); |
| 1363 | __u.__bucket_list_.get_deleter().size() = 0; |
| 1364 | __move_assign_alloc(__u); |
| 1365 | size() = __u.size(); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1366 | hash_function() = _VSTD::move(__u.hash_function()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1367 | max_load_factor() = __u.max_load_factor(); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1368 | key_eq() = _VSTD::move(__u.key_eq()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1369 | __p1_.first().__next_ = __u.__p1_.first().__next_; |
| 1370 | if (size() > 0) |
| 1371 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1372 | __bucket_list_[__constrain_hash(__p1_.first().__next_->__hash_, bucket_count())] = |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1373 | static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1374 | __u.__p1_.first().__next_ = nullptr; |
| 1375 | __u.size() = 0; |
| 1376 | } |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1377 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1378 | __get_db()->swap(this, &__u); |
| 1379 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1380 | } |
| 1381 | |
| 1382 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1383 | void |
| 1384 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign( |
| 1385 | __hash_table& __u, false_type) |
| 1386 | { |
| 1387 | if (__node_alloc() == __u.__node_alloc()) |
| 1388 | __move_assign(__u, true_type()); |
| 1389 | else |
| 1390 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1391 | hash_function() = _VSTD::move(__u.hash_function()); |
| 1392 | key_eq() = _VSTD::move(__u.key_eq()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1393 | max_load_factor() = __u.max_load_factor(); |
| 1394 | if (bucket_count() != 0) |
| 1395 | { |
| 1396 | __node_pointer __cache = __detach(); |
| 1397 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1398 | try |
| 1399 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1400 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1401 | const_iterator __i = __u.begin(); |
| 1402 | while (__cache != nullptr && __u.size() != 0) |
| 1403 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1404 | __cache->__value_ = _VSTD::move(__u.remove(__i++)->__value_); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1405 | __node_pointer __next = __cache->__next_; |
| 1406 | __node_insert_multi(__cache); |
| 1407 | __cache = __next; |
| 1408 | } |
| 1409 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1410 | } |
| 1411 | catch (...) |
| 1412 | { |
| 1413 | __deallocate(__cache); |
| 1414 | throw; |
| 1415 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1416 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1417 | __deallocate(__cache); |
| 1418 | } |
| 1419 | const_iterator __i = __u.begin(); |
| 1420 | while (__u.size() != 0) |
| 1421 | { |
| 1422 | __node_holder __h = |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1423 | __construct_node(_VSTD::move(__u.remove(__i++)->__value_)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1424 | __node_insert_multi(__h.get()); |
| 1425 | __h.release(); |
| 1426 | } |
| 1427 | } |
| 1428 | } |
| 1429 | |
| 1430 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1431 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1432 | __hash_table<_Tp, _Hash, _Equal, _Alloc>& |
| 1433 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::operator=(__hash_table&& __u) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1434 | _NOEXCEPT_( |
| 1435 | __node_traits::propagate_on_container_move_assignment::value && |
| 1436 | is_nothrow_move_assignable<__node_allocator>::value && |
| 1437 | is_nothrow_move_assignable<hasher>::value && |
| 1438 | is_nothrow_move_assignable<key_equal>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1439 | { |
| 1440 | __move_assign(__u, integral_constant<bool, |
| 1441 | __node_traits::propagate_on_container_move_assignment::value>()); |
| 1442 | return *this; |
| 1443 | } |
| 1444 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1445 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1446 | |
| 1447 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1448 | template <class _InputIterator> |
| 1449 | void |
| 1450 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__assign_unique(_InputIterator __first, |
| 1451 | _InputIterator __last) |
| 1452 | { |
| 1453 | if (bucket_count() != 0) |
| 1454 | { |
| 1455 | __node_pointer __cache = __detach(); |
| 1456 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1457 | try |
| 1458 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1459 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1460 | for (; __cache != nullptr && __first != __last; ++__first) |
| 1461 | { |
| 1462 | __cache->__value_ = *__first; |
| 1463 | __node_pointer __next = __cache->__next_; |
| 1464 | __node_insert_unique(__cache); |
| 1465 | __cache = __next; |
| 1466 | } |
| 1467 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1468 | } |
| 1469 | catch (...) |
| 1470 | { |
| 1471 | __deallocate(__cache); |
| 1472 | throw; |
| 1473 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1474 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1475 | __deallocate(__cache); |
| 1476 | } |
| 1477 | for (; __first != __last; ++__first) |
| 1478 | __insert_unique(*__first); |
| 1479 | } |
| 1480 | |
| 1481 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1482 | template <class _InputIterator> |
| 1483 | void |
| 1484 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__assign_multi(_InputIterator __first, |
| 1485 | _InputIterator __last) |
| 1486 | { |
| 1487 | if (bucket_count() != 0) |
| 1488 | { |
| 1489 | __node_pointer __cache = __detach(); |
| 1490 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1491 | try |
| 1492 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1493 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1494 | for (; __cache != nullptr && __first != __last; ++__first) |
| 1495 | { |
| 1496 | __cache->__value_ = *__first; |
| 1497 | __node_pointer __next = __cache->__next_; |
| 1498 | __node_insert_multi(__cache); |
| 1499 | __cache = __next; |
| 1500 | } |
| 1501 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1502 | } |
| 1503 | catch (...) |
| 1504 | { |
| 1505 | __deallocate(__cache); |
| 1506 | throw; |
| 1507 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1508 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1509 | __deallocate(__cache); |
| 1510 | } |
| 1511 | for (; __first != __last; ++__first) |
| 1512 | __insert_multi(*__first); |
| 1513 | } |
| 1514 | |
| 1515 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1516 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1517 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1518 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1519 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1520 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1521 | return iterator(__p1_.first().__next_, this); |
| 1522 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1523 | return iterator(__p1_.first().__next_); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1524 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1525 | } |
| 1526 | |
| 1527 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1528 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1529 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1530 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::end() _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1531 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1532 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1533 | return iterator(nullptr, this); |
| 1534 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1535 | return iterator(nullptr); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1536 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1537 | } |
| 1538 | |
| 1539 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1540 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1541 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1542 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() const _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1543 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1544 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1545 | return const_iterator(__p1_.first().__next_, this); |
| 1546 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1547 | return const_iterator(__p1_.first().__next_); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1548 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1549 | } |
| 1550 | |
| 1551 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 1552 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1553 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1554 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::end() const _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1555 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1556 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1557 | return const_iterator(nullptr, this); |
| 1558 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1559 | return const_iterator(nullptr); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1560 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1561 | } |
| 1562 | |
| 1563 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1564 | void |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 1565 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::clear() _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1566 | { |
| 1567 | if (size() > 0) |
| 1568 | { |
| 1569 | __deallocate(__p1_.first().__next_); |
| 1570 | __p1_.first().__next_ = nullptr; |
| 1571 | size_type __bc = bucket_count(); |
Howard Hinnant | 9f66bff | 2011-07-05 14:14:17 +0000 | [diff] [blame] | 1572 | for (size_type __i = 0; __i < __bc; ++__i) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1573 | __bucket_list_[__i] = nullptr; |
| 1574 | size() = 0; |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1579 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool> |
| 1580 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_unique(__node_pointer __nd) |
| 1581 | { |
| 1582 | __nd->__hash_ = hash_function()(__nd->__value_); |
| 1583 | size_type __bc = bucket_count(); |
| 1584 | bool __inserted = false; |
| 1585 | __node_pointer __ndptr; |
| 1586 | size_t __chash; |
| 1587 | if (__bc != 0) |
| 1588 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1589 | __chash = __constrain_hash(__nd->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1590 | __ndptr = __bucket_list_[__chash]; |
| 1591 | if (__ndptr != nullptr) |
| 1592 | { |
| 1593 | for (__ndptr = __ndptr->__next_; __ndptr != nullptr && |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1594 | __constrain_hash(__ndptr->__hash_, __bc) == __chash; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1595 | __ndptr = __ndptr->__next_) |
| 1596 | { |
| 1597 | if (key_eq()(__ndptr->__value_, __nd->__value_)) |
| 1598 | goto __done; |
| 1599 | } |
| 1600 | } |
| 1601 | } |
| 1602 | { |
| 1603 | if (size()+1 > __bc * max_load_factor() || __bc == 0) |
| 1604 | { |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 1605 | rehash(_VSTD::max<size_type>(2 * __bc + !__is_hash_power2(__bc), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1606 | size_type(ceil(float(size() + 1) / max_load_factor())))); |
| 1607 | __bc = bucket_count(); |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1608 | __chash = __constrain_hash(__nd->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1609 | } |
| 1610 | // insert_after __bucket_list_[__chash], or __first_node if bucket is null |
| 1611 | __node_pointer __pn = __bucket_list_[__chash]; |
| 1612 | if (__pn == nullptr) |
| 1613 | { |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1614 | __pn = static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1615 | __nd->__next_ = __pn->__next_; |
| 1616 | __pn->__next_ = __nd; |
| 1617 | // fix up __bucket_list_ |
| 1618 | __bucket_list_[__chash] = __pn; |
| 1619 | if (__nd->__next_ != nullptr) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1620 | __bucket_list_[__constrain_hash(__nd->__next_->__hash_, __bc)] = __nd; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1621 | } |
| 1622 | else |
| 1623 | { |
| 1624 | __nd->__next_ = __pn->__next_; |
| 1625 | __pn->__next_ = __nd; |
| 1626 | } |
| 1627 | __ndptr = __nd; |
| 1628 | // increment size |
| 1629 | ++size(); |
| 1630 | __inserted = true; |
| 1631 | } |
| 1632 | __done: |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1633 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1634 | return pair<iterator, bool>(iterator(__ndptr, this), __inserted); |
| 1635 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1636 | return pair<iterator, bool>(iterator(__ndptr), __inserted); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1637 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1638 | } |
| 1639 | |
| 1640 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1641 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1642 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_multi(__node_pointer __cp) |
| 1643 | { |
| 1644 | __cp->__hash_ = hash_function()(__cp->__value_); |
| 1645 | size_type __bc = bucket_count(); |
| 1646 | if (size()+1 > __bc * max_load_factor() || __bc == 0) |
| 1647 | { |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 1648 | rehash(_VSTD::max<size_type>(2 * __bc + !__is_hash_power2(__bc), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1649 | size_type(ceil(float(size() + 1) / max_load_factor())))); |
| 1650 | __bc = bucket_count(); |
| 1651 | } |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1652 | size_t __chash = __constrain_hash(__cp->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1653 | __node_pointer __pn = __bucket_list_[__chash]; |
| 1654 | if (__pn == nullptr) |
| 1655 | { |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1656 | __pn = static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1657 | __cp->__next_ = __pn->__next_; |
| 1658 | __pn->__next_ = __cp; |
| 1659 | // fix up __bucket_list_ |
| 1660 | __bucket_list_[__chash] = __pn; |
| 1661 | if (__cp->__next_ != nullptr) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1662 | __bucket_list_[__constrain_hash(__cp->__next_->__hash_, __bc)] = __cp; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1663 | } |
| 1664 | else |
| 1665 | { |
| 1666 | for (bool __found = false; __pn->__next_ != nullptr && |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1667 | __constrain_hash(__pn->__next_->__hash_, __bc) == __chash; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1668 | __pn = __pn->__next_) |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1669 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1670 | // __found key_eq() action |
| 1671 | // false false loop |
| 1672 | // true true loop |
| 1673 | // false true set __found to true |
| 1674 | // true false break |
| 1675 | if (__found != (__pn->__next_->__hash_ == __cp->__hash_ && |
| 1676 | key_eq()(__pn->__next_->__value_, __cp->__value_))) |
| 1677 | { |
| 1678 | if (!__found) |
| 1679 | __found = true; |
| 1680 | else |
| 1681 | break; |
| 1682 | } |
| 1683 | } |
| 1684 | __cp->__next_ = __pn->__next_; |
| 1685 | __pn->__next_ = __cp; |
| 1686 | if (__cp->__next_ != nullptr) |
| 1687 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1688 | size_t __nhash = __constrain_hash(__cp->__next_->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1689 | if (__nhash != __chash) |
| 1690 | __bucket_list_[__nhash] = __cp; |
| 1691 | } |
| 1692 | } |
| 1693 | ++size(); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1694 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1695 | return iterator(__cp, this); |
| 1696 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1697 | return iterator(__cp); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1698 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1699 | } |
| 1700 | |
| 1701 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1702 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1703 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_multi( |
| 1704 | const_iterator __p, __node_pointer __cp) |
| 1705 | { |
Howard Hinnant | 824c199 | 2013-08-02 17:50:49 +0000 | [diff] [blame] | 1706 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1707 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| 1708 | "unordered container::emplace_hint(const_iterator, args...) called with an iterator not" |
| 1709 | " referring to this unordered container"); |
| 1710 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1711 | if (__p != end() && key_eq()(*__p, __cp->__value_)) |
| 1712 | { |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1713 | __node_pointer __np = __p.__node_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1714 | __cp->__hash_ = __np->__hash_; |
| 1715 | size_type __bc = bucket_count(); |
| 1716 | if (size()+1 > __bc * max_load_factor() || __bc == 0) |
| 1717 | { |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 1718 | rehash(_VSTD::max<size_type>(2 * __bc + !__is_hash_power2(__bc), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1719 | size_type(ceil(float(size() + 1) / max_load_factor())))); |
| 1720 | __bc = bucket_count(); |
| 1721 | } |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1722 | size_t __chash = __constrain_hash(__cp->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1723 | __node_pointer __pp = __bucket_list_[__chash]; |
| 1724 | while (__pp->__next_ != __np) |
| 1725 | __pp = __pp->__next_; |
| 1726 | __cp->__next_ = __np; |
| 1727 | __pp->__next_ = __cp; |
| 1728 | ++size(); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1729 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1730 | return iterator(__cp, this); |
| 1731 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1732 | return iterator(__cp); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1733 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1734 | } |
| 1735 | return __node_insert_multi(__cp); |
| 1736 | } |
| 1737 | |
| 1738 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1739 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool> |
| 1740 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_unique(const value_type& __x) |
| 1741 | { |
| 1742 | size_t __hash = hash_function()(__x); |
| 1743 | size_type __bc = bucket_count(); |
| 1744 | bool __inserted = false; |
| 1745 | __node_pointer __nd; |
| 1746 | size_t __chash; |
| 1747 | if (__bc != 0) |
| 1748 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1749 | __chash = __constrain_hash(__hash, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1750 | __nd = __bucket_list_[__chash]; |
| 1751 | if (__nd != nullptr) |
| 1752 | { |
| 1753 | for (__nd = __nd->__next_; __nd != nullptr && |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1754 | __constrain_hash(__nd->__hash_, __bc) == __chash; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1755 | __nd = __nd->__next_) |
| 1756 | { |
| 1757 | if (key_eq()(__nd->__value_, __x)) |
| 1758 | goto __done; |
| 1759 | } |
| 1760 | } |
| 1761 | } |
| 1762 | { |
| 1763 | __node_holder __h = __construct_node(__x, __hash); |
| 1764 | if (size()+1 > __bc * max_load_factor() || __bc == 0) |
| 1765 | { |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 1766 | rehash(_VSTD::max<size_type>(2 * __bc + !__is_hash_power2(__bc), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1767 | size_type(ceil(float(size() + 1) / max_load_factor())))); |
| 1768 | __bc = bucket_count(); |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1769 | __chash = __constrain_hash(__hash, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1770 | } |
| 1771 | // insert_after __bucket_list_[__chash], or __first_node if bucket is null |
| 1772 | __node_pointer __pn = __bucket_list_[__chash]; |
| 1773 | if (__pn == nullptr) |
| 1774 | { |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1775 | __pn = static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1776 | __h->__next_ = __pn->__next_; |
| 1777 | __pn->__next_ = __h.get(); |
| 1778 | // fix up __bucket_list_ |
| 1779 | __bucket_list_[__chash] = __pn; |
| 1780 | if (__h->__next_ != nullptr) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1781 | __bucket_list_[__constrain_hash(__h->__next_->__hash_, __bc)] = __h.get(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1782 | } |
| 1783 | else |
| 1784 | { |
| 1785 | __h->__next_ = __pn->__next_; |
| 1786 | __pn->__next_ = __h.get(); |
| 1787 | } |
| 1788 | __nd = __h.release(); |
| 1789 | // increment size |
| 1790 | ++size(); |
| 1791 | __inserted = true; |
| 1792 | } |
| 1793 | __done: |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1794 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1795 | return pair<iterator, bool>(iterator(__nd, this), __inserted); |
| 1796 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1797 | return pair<iterator, bool>(iterator(__nd), __inserted); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1798 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1799 | } |
| 1800 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1801 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1802 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1803 | |
| 1804 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1805 | template <class... _Args> |
| 1806 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool> |
| 1807 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_unique(_Args&&... __args) |
| 1808 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1809 | __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1810 | pair<iterator, bool> __r = __node_insert_unique(__h.get()); |
| 1811 | if (__r.second) |
| 1812 | __h.release(); |
| 1813 | return __r; |
| 1814 | } |
| 1815 | |
| 1816 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1817 | template <class... _Args> |
| 1818 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1819 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_multi(_Args&&... __args) |
| 1820 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1821 | __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1822 | iterator __r = __node_insert_multi(__h.get()); |
| 1823 | __h.release(); |
| 1824 | return __r; |
| 1825 | } |
| 1826 | |
| 1827 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1828 | template <class... _Args> |
| 1829 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1830 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_hint_multi( |
| 1831 | const_iterator __p, _Args&&... __args) |
| 1832 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1833 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1834 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| 1835 | "unordered container::emplace_hint(const_iterator, args...) called with an iterator not" |
| 1836 | " referring to this unordered container"); |
| 1837 | #endif |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1838 | __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1839 | iterator __r = __node_insert_multi(__p, __h.get()); |
| 1840 | __h.release(); |
| 1841 | return __r; |
| 1842 | } |
| 1843 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1844 | #endif // _LIBCPP_HAS_NO_VARIADICS |
| 1845 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1846 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1847 | template <class _Pp> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1848 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1849 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_unique(_Pp&& __x) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1850 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1851 | __node_holder __h = __construct_node(_VSTD::forward<_Pp>(__x)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1852 | pair<iterator, bool> __r = __node_insert_unique(__h.get()); |
| 1853 | if (__r.second) |
| 1854 | __h.release(); |
| 1855 | return __r; |
| 1856 | } |
| 1857 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1858 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1859 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1860 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1861 | |
| 1862 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1863 | template <class _Pp> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1864 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1865 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_multi(_Pp&& __x) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1866 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1867 | __node_holder __h = __construct_node(_VSTD::forward<_Pp>(__x)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1868 | iterator __r = __node_insert_multi(__h.get()); |
| 1869 | __h.release(); |
| 1870 | return __r; |
| 1871 | } |
| 1872 | |
| 1873 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1874 | template <class _Pp> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1875 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1876 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_multi(const_iterator __p, |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1877 | _Pp&& __x) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1878 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1879 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1880 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| 1881 | "unordered container::insert(const_iterator, rvalue) called with an iterator not" |
| 1882 | " referring to this unordered container"); |
| 1883 | #endif |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1884 | __node_holder __h = __construct_node(_VSTD::forward<_Pp>(__x)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1885 | iterator __r = __node_insert_multi(__p, __h.get()); |
| 1886 | __h.release(); |
| 1887 | return __r; |
| 1888 | } |
| 1889 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1890 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1891 | |
| 1892 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1893 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1894 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_multi(const value_type& __x) |
| 1895 | { |
| 1896 | __node_holder __h = __construct_node(__x); |
| 1897 | iterator __r = __node_insert_multi(__h.get()); |
| 1898 | __h.release(); |
| 1899 | return __r; |
| 1900 | } |
| 1901 | |
| 1902 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1903 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 1904 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_multi(const_iterator __p, |
| 1905 | const value_type& __x) |
| 1906 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 1907 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1908 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| 1909 | "unordered container::insert(const_iterator, lvalue) called with an iterator not" |
| 1910 | " referring to this unordered container"); |
| 1911 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1912 | __node_holder __h = __construct_node(__x); |
| 1913 | iterator __r = __node_insert_multi(__p, __h.get()); |
| 1914 | __h.release(); |
| 1915 | return __r; |
| 1916 | } |
| 1917 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1918 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1919 | |
| 1920 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1921 | void |
| 1922 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::rehash(size_type __n) |
| 1923 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1924 | if (__n == 1) |
| 1925 | __n = 2; |
| 1926 | else if (__n & (__n - 1)) |
| 1927 | __n = __next_prime(__n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1928 | size_type __bc = bucket_count(); |
| 1929 | if (__n > __bc) |
| 1930 | __rehash(__n); |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1931 | else if (__n < __bc) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1932 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1933 | __n = _VSTD::max<size_type> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1934 | ( |
| 1935 | __n, |
Eric Fiselier | 57947ca | 2015-02-02 21:31:48 +0000 | [diff] [blame] | 1936 | __is_hash_power2(__bc) ? __next_hash_pow2(size_t(ceil(float(size()) / max_load_factor()))) : |
| 1937 | __next_prime(size_t(ceil(float(size()) / max_load_factor()))) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1938 | ); |
| 1939 | if (__n < __bc) |
| 1940 | __rehash(__n); |
| 1941 | } |
| 1942 | } |
| 1943 | |
| 1944 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1945 | void |
| 1946 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__rehash(size_type __nbc) |
| 1947 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 1948 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 1949 | __get_db()->__invalidate_all(this); |
| 1950 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1951 | __pointer_allocator& __npa = __bucket_list_.get_deleter().__alloc(); |
| 1952 | __bucket_list_.reset(__nbc > 0 ? |
| 1953 | __pointer_alloc_traits::allocate(__npa, __nbc) : nullptr); |
| 1954 | __bucket_list_.get_deleter().size() = __nbc; |
| 1955 | if (__nbc > 0) |
| 1956 | { |
| 1957 | for (size_type __i = 0; __i < __nbc; ++__i) |
| 1958 | __bucket_list_[__i] = nullptr; |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 1959 | __node_pointer __pp(static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first()))); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1960 | __node_pointer __cp = __pp->__next_; |
| 1961 | if (__cp != nullptr) |
| 1962 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1963 | size_type __chash = __constrain_hash(__cp->__hash_, __nbc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1964 | __bucket_list_[__chash] = __pp; |
| 1965 | size_type __phash = __chash; |
| 1966 | for (__pp = __cp, __cp = __cp->__next_; __cp != nullptr; |
| 1967 | __cp = __pp->__next_) |
| 1968 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 1969 | __chash = __constrain_hash(__cp->__hash_, __nbc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1970 | if (__chash == __phash) |
| 1971 | __pp = __cp; |
| 1972 | else |
| 1973 | { |
| 1974 | if (__bucket_list_[__chash] == nullptr) |
| 1975 | { |
| 1976 | __bucket_list_[__chash] = __pp; |
| 1977 | __pp = __cp; |
| 1978 | __phash = __chash; |
| 1979 | } |
| 1980 | else |
| 1981 | { |
| 1982 | __node_pointer __np = __cp; |
| 1983 | for (; __np->__next_ != nullptr && |
| 1984 | key_eq()(__cp->__value_, __np->__next_->__value_); |
| 1985 | __np = __np->__next_) |
| 1986 | ; |
| 1987 | __pp->__next_ = __np->__next_; |
| 1988 | __np->__next_ = __bucket_list_[__chash]->__next_; |
| 1989 | __bucket_list_[__chash]->__next_ = __cp; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1990 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1991 | } |
| 1992 | } |
| 1993 | } |
| 1994 | } |
| 1995 | } |
| 1996 | } |
| 1997 | |
| 1998 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 1999 | template <class _Key> |
| 2000 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 2001 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::find(const _Key& __k) |
| 2002 | { |
| 2003 | size_t __hash = hash_function()(__k); |
| 2004 | size_type __bc = bucket_count(); |
| 2005 | if (__bc != 0) |
| 2006 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2007 | size_t __chash = __constrain_hash(__hash, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2008 | __node_pointer __nd = __bucket_list_[__chash]; |
| 2009 | if (__nd != nullptr) |
| 2010 | { |
| 2011 | for (__nd = __nd->__next_; __nd != nullptr && |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2012 | __constrain_hash(__nd->__hash_, __bc) == __chash; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2013 | __nd = __nd->__next_) |
| 2014 | { |
| 2015 | if (key_eq()(__nd->__value_, __k)) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2016 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2017 | return iterator(__nd, this); |
| 2018 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2019 | return iterator(__nd); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2020 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2021 | } |
| 2022 | } |
| 2023 | } |
| 2024 | return end(); |
| 2025 | } |
| 2026 | |
| 2027 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2028 | template <class _Key> |
| 2029 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator |
| 2030 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::find(const _Key& __k) const |
| 2031 | { |
| 2032 | size_t __hash = hash_function()(__k); |
| 2033 | size_type __bc = bucket_count(); |
| 2034 | if (__bc != 0) |
| 2035 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2036 | size_t __chash = __constrain_hash(__hash, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2037 | __node_const_pointer __nd = __bucket_list_[__chash]; |
| 2038 | if (__nd != nullptr) |
| 2039 | { |
| 2040 | for (__nd = __nd->__next_; __nd != nullptr && |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2041 | __constrain_hash(__nd->__hash_, __bc) == __chash; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2042 | __nd = __nd->__next_) |
| 2043 | { |
| 2044 | if (key_eq()(__nd->__value_, __k)) |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2045 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2046 | return const_iterator(__nd, this); |
| 2047 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2048 | return const_iterator(__nd); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2049 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2050 | } |
| 2051 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 2052 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2053 | } |
| 2054 | return end(); |
| 2055 | } |
| 2056 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 2057 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 2058 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2059 | |
| 2060 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2061 | template <class ..._Args> |
| 2062 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_holder |
| 2063 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(_Args&& ...__args) |
| 2064 | { |
| 2065 | __node_allocator& __na = __node_alloc(); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2066 | __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na)); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2067 | __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::forward<_Args>(__args)...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2068 | __h.get_deleter().__value_constructed = true; |
| 2069 | __h->__hash_ = hash_function()(__h->__value_); |
| 2070 | __h->__next_ = nullptr; |
| 2071 | return __h; |
| 2072 | } |
| 2073 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 2074 | #endif // _LIBCPP_HAS_NO_VARIADICS |
| 2075 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2076 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2077 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_holder |
| 2078 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(value_type&& __v, |
| 2079 | size_t __hash) |
| 2080 | { |
| 2081 | __node_allocator& __na = __node_alloc(); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2082 | __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na)); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2083 | __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::move(__v)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2084 | __h.get_deleter().__value_constructed = true; |
| 2085 | __h->__hash_ = __hash; |
| 2086 | __h->__next_ = nullptr; |
Howard Hinnant | 9a894d9 | 2013-08-22 18:29:50 +0000 | [diff] [blame] | 2087 | return __h; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2088 | } |
| 2089 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 2090 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2091 | |
| 2092 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2093 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_holder |
| 2094 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(const value_type& __v) |
| 2095 | { |
| 2096 | __node_allocator& __na = __node_alloc(); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2097 | __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na)); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2098 | __node_traits::construct(__na, _VSTD::addressof(__h->__value_), __v); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2099 | __h.get_deleter().__value_constructed = true; |
| 2100 | __h->__hash_ = hash_function()(__h->__value_); |
| 2101 | __h->__next_ = nullptr; |
Howard Hinnant | 9a894d9 | 2013-08-22 18:29:50 +0000 | [diff] [blame] | 2102 | return _VSTD::move(__h); // explicitly moved for C++03 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2103 | } |
| 2104 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 2105 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2106 | |
| 2107 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2108 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_holder |
| 2109 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(const value_type& __v, |
| 2110 | size_t __hash) |
| 2111 | { |
| 2112 | __node_allocator& __na = __node_alloc(); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2113 | __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na)); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2114 | __node_traits::construct(__na, _VSTD::addressof(__h->__value_), __v); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2115 | __h.get_deleter().__value_constructed = true; |
| 2116 | __h->__hash_ = __hash; |
| 2117 | __h->__next_ = nullptr; |
Howard Hinnant | 9a894d9 | 2013-08-22 18:29:50 +0000 | [diff] [blame] | 2118 | return _VSTD::move(__h); // explicitly moved for C++03 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2119 | } |
| 2120 | |
| 2121 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2122 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 2123 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::erase(const_iterator __p) |
| 2124 | { |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 2125 | __node_pointer __np = __p.__node_; |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2126 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2127 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| 2128 | "unordered container erase(iterator) called with an iterator not" |
| 2129 | " referring to this container"); |
| 2130 | _LIBCPP_ASSERT(__p != end(), |
| 2131 | "unordered container erase(iterator) called with a non-dereferenceable iterator"); |
| 2132 | iterator __r(__np, this); |
| 2133 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2134 | iterator __r(__np); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2135 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2136 | ++__r; |
| 2137 | remove(__p); |
| 2138 | return __r; |
| 2139 | } |
| 2140 | |
| 2141 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2142 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator |
| 2143 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::erase(const_iterator __first, |
| 2144 | const_iterator __last) |
| 2145 | { |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2146 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2147 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__first) == this, |
| 2148 | "unodered container::erase(iterator, iterator) called with an iterator not" |
| 2149 | " referring to this unodered container"); |
| 2150 | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__last) == this, |
| 2151 | "unodered container::erase(iterator, iterator) called with an iterator not" |
| 2152 | " referring to this unodered container"); |
| 2153 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2154 | for (const_iterator __p = __first; __first != __last; __p = __first) |
| 2155 | { |
| 2156 | ++__first; |
| 2157 | erase(__p); |
| 2158 | } |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 2159 | __node_pointer __np = __last.__node_; |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2160 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2161 | return iterator (__np, this); |
| 2162 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2163 | return iterator (__np); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2164 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2165 | } |
| 2166 | |
| 2167 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2168 | template <class _Key> |
| 2169 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::size_type |
| 2170 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__erase_unique(const _Key& __k) |
| 2171 | { |
| 2172 | iterator __i = find(__k); |
| 2173 | if (__i == end()) |
| 2174 | return 0; |
| 2175 | erase(__i); |
| 2176 | return 1; |
| 2177 | } |
| 2178 | |
| 2179 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2180 | template <class _Key> |
| 2181 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::size_type |
| 2182 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__erase_multi(const _Key& __k) |
| 2183 | { |
| 2184 | size_type __r = 0; |
| 2185 | iterator __i = find(__k); |
| 2186 | if (__i != end()) |
| 2187 | { |
| 2188 | iterator __e = end(); |
| 2189 | do |
| 2190 | { |
| 2191 | erase(__i++); |
| 2192 | ++__r; |
| 2193 | } while (__i != __e && key_eq()(*__i, __k)); |
| 2194 | } |
| 2195 | return __r; |
| 2196 | } |
| 2197 | |
| 2198 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2199 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_holder |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 2200 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::remove(const_iterator __p) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2201 | { |
| 2202 | // current node |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 2203 | __node_pointer __cn = __p.__node_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2204 | size_type __bc = bucket_count(); |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2205 | size_t __chash = __constrain_hash(__cn->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2206 | // find previous node |
| 2207 | __node_pointer __pn = __bucket_list_[__chash]; |
| 2208 | for (; __pn->__next_ != __cn; __pn = __pn->__next_) |
| 2209 | ; |
| 2210 | // Fix up __bucket_list_ |
| 2211 | // if __pn is not in same bucket (before begin is not in same bucket) && |
| 2212 | // if __cn->__next_ is not in same bucket (nullptr is not in same bucket) |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 2213 | if (__pn == static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())) |
| 2214 | || __constrain_hash(__pn->__hash_, __bc) != __chash) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2215 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2216 | if (__cn->__next_ == nullptr || __constrain_hash(__cn->__next_->__hash_, __bc) != __chash) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2217 | __bucket_list_[__chash] = nullptr; |
| 2218 | } |
| 2219 | // if __cn->__next_ is not in same bucket (nullptr is in same bucket) |
| 2220 | if (__cn->__next_ != nullptr) |
| 2221 | { |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2222 | size_t __nhash = __constrain_hash(__cn->__next_->__hash_, __bc); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2223 | if (__nhash != __chash) |
| 2224 | __bucket_list_[__nhash] = __pn; |
| 2225 | } |
| 2226 | // remove __cn |
| 2227 | __pn->__next_ = __cn->__next_; |
| 2228 | __cn->__next_ = nullptr; |
| 2229 | --size(); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2230 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2231 | __c_node* __c = __get_db()->__find_c_and_lock(this); |
| 2232 | for (__i_node** __p = __c->end_; __p != __c->beg_; ) |
| 2233 | { |
| 2234 | --__p; |
| 2235 | iterator* __i = static_cast<iterator*>((*__p)->__i_); |
| 2236 | if (__i->__node_ == __cn) |
| 2237 | { |
| 2238 | (*__p)->__c_ = nullptr; |
| 2239 | if (--__c->end_ != __p) |
| 2240 | memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); |
| 2241 | } |
| 2242 | } |
| 2243 | __get_db()->unlock(); |
| 2244 | #endif |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2245 | return __node_holder(__cn, _Dp(__node_alloc(), true)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2246 | } |
| 2247 | |
| 2248 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2249 | template <class _Key> |
Howard Hinnant | 99acc50 | 2010-09-21 17:32:39 +0000 | [diff] [blame] | 2250 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2251 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::size_type |
| 2252 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__count_unique(const _Key& __k) const |
| 2253 | { |
| 2254 | return static_cast<size_type>(find(__k) != end()); |
| 2255 | } |
| 2256 | |
| 2257 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2258 | template <class _Key> |
| 2259 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::size_type |
| 2260 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__count_multi(const _Key& __k) const |
| 2261 | { |
| 2262 | size_type __r = 0; |
| 2263 | const_iterator __i = find(__k); |
| 2264 | if (__i != end()) |
| 2265 | { |
| 2266 | const_iterator __e = end(); |
| 2267 | do |
| 2268 | { |
| 2269 | ++__i; |
| 2270 | ++__r; |
| 2271 | } while (__i != __e && key_eq()(*__i, __k)); |
| 2272 | } |
| 2273 | return __r; |
| 2274 | } |
| 2275 | |
| 2276 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2277 | template <class _Key> |
| 2278 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, |
| 2279 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator> |
| 2280 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__equal_range_unique( |
| 2281 | const _Key& __k) |
| 2282 | { |
| 2283 | iterator __i = find(__k); |
| 2284 | iterator __j = __i; |
| 2285 | if (__i != end()) |
| 2286 | ++__j; |
| 2287 | return pair<iterator, iterator>(__i, __j); |
| 2288 | } |
| 2289 | |
| 2290 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2291 | template <class _Key> |
| 2292 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator, |
| 2293 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator> |
| 2294 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__equal_range_unique( |
| 2295 | const _Key& __k) const |
| 2296 | { |
| 2297 | const_iterator __i = find(__k); |
| 2298 | const_iterator __j = __i; |
| 2299 | if (__i != end()) |
| 2300 | ++__j; |
| 2301 | return pair<const_iterator, const_iterator>(__i, __j); |
| 2302 | } |
| 2303 | |
| 2304 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2305 | template <class _Key> |
| 2306 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, |
| 2307 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator> |
| 2308 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__equal_range_multi( |
| 2309 | const _Key& __k) |
| 2310 | { |
| 2311 | iterator __i = find(__k); |
| 2312 | iterator __j = __i; |
| 2313 | if (__i != end()) |
| 2314 | { |
| 2315 | iterator __e = end(); |
| 2316 | do |
| 2317 | { |
| 2318 | ++__j; |
| 2319 | } while (__j != __e && key_eq()(*__j, __k)); |
| 2320 | } |
| 2321 | return pair<iterator, iterator>(__i, __j); |
| 2322 | } |
| 2323 | |
| 2324 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2325 | template <class _Key> |
| 2326 | pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator, |
| 2327 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator> |
| 2328 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__equal_range_multi( |
| 2329 | const _Key& __k) const |
| 2330 | { |
| 2331 | const_iterator __i = find(__k); |
| 2332 | const_iterator __j = __i; |
| 2333 | if (__i != end()) |
| 2334 | { |
| 2335 | const_iterator __e = end(); |
| 2336 | do |
| 2337 | { |
| 2338 | ++__j; |
| 2339 | } while (__j != __e && key_eq()(*__j, __k)); |
| 2340 | } |
| 2341 | return pair<const_iterator, const_iterator>(__i, __j); |
| 2342 | } |
| 2343 | |
| 2344 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2345 | void |
| 2346 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::swap(__hash_table& __u) |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 2347 | _NOEXCEPT_( |
| 2348 | (!allocator_traits<__pointer_allocator>::propagate_on_container_swap::value || |
| 2349 | __is_nothrow_swappable<__pointer_allocator>::value) && |
| 2350 | (!__node_traits::propagate_on_container_swap::value || |
| 2351 | __is_nothrow_swappable<__node_allocator>::value) && |
| 2352 | __is_nothrow_swappable<hasher>::value && |
| 2353 | __is_nothrow_swappable<key_equal>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2354 | { |
| 2355 | { |
| 2356 | __node_pointer_pointer __npp = __bucket_list_.release(); |
| 2357 | __bucket_list_.reset(__u.__bucket_list_.release()); |
| 2358 | __u.__bucket_list_.reset(__npp); |
| 2359 | } |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2360 | _VSTD::swap(__bucket_list_.get_deleter().size(), __u.__bucket_list_.get_deleter().size()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2361 | __swap_alloc(__bucket_list_.get_deleter().__alloc(), |
| 2362 | __u.__bucket_list_.get_deleter().__alloc()); |
| 2363 | __swap_alloc(__node_alloc(), __u.__node_alloc()); |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2364 | _VSTD::swap(__p1_.first().__next_, __u.__p1_.first().__next_); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2365 | __p2_.swap(__u.__p2_); |
| 2366 | __p3_.swap(__u.__p3_); |
| 2367 | if (size() > 0) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2368 | __bucket_list_[__constrain_hash(__p1_.first().__next_->__hash_, bucket_count())] = |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 2369 | static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__p1_.first())); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2370 | if (__u.size() > 0) |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2371 | __u.__bucket_list_[__constrain_hash(__u.__p1_.first().__next_->__hash_, __u.bucket_count())] = |
Howard Hinnant | 7a6b7ce | 2013-06-22 15:21:29 +0000 | [diff] [blame] | 2372 | static_cast<__node_pointer>(pointer_traits<__node_base_pointer>::pointer_to(__u.__p1_.first())); |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2373 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2374 | __get_db()->swap(this, &__u); |
| 2375 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2376 | } |
| 2377 | |
| 2378 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2379 | typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::size_type |
| 2380 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::bucket_size(size_type __n) const |
| 2381 | { |
Howard Hinnant | 0bb0a7c | 2013-07-29 19:05:47 +0000 | [diff] [blame] | 2382 | _LIBCPP_ASSERT(__n < bucket_count(), |
| 2383 | "unordered container::bucket_size(n) called with n >= bucket_count()"); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2384 | __node_const_pointer __np = __bucket_list_[__n]; |
| 2385 | size_type __bc = bucket_count(); |
| 2386 | size_type __r = 0; |
| 2387 | if (__np != nullptr) |
| 2388 | { |
| 2389 | for (__np = __np->__next_; __np != nullptr && |
Howard Hinnant | 7a44515 | 2012-07-06 17:31:14 +0000 | [diff] [blame] | 2390 | __constrain_hash(__np->__hash_, __bc) == __n; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2391 | __np = __np->__next_, ++__r) |
| 2392 | ; |
| 2393 | } |
| 2394 | return __r; |
| 2395 | } |
| 2396 | |
Howard Hinnant | 5f2f14c | 2011-06-04 18:54:24 +0000 | [diff] [blame] | 2397 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2398 | inline _LIBCPP_INLINE_VISIBILITY |
| 2399 | void |
| 2400 | swap(__hash_table<_Tp, _Hash, _Equal, _Alloc>& __x, |
| 2401 | __hash_table<_Tp, _Hash, _Equal, _Alloc>& __y) |
| 2402 | _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
| 2403 | { |
| 2404 | __x.swap(__y); |
| 2405 | } |
| 2406 | |
Howard Hinnant | 3921364 | 2013-07-23 22:01:58 +0000 | [diff] [blame] | 2407 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 2408 | |
| 2409 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2410 | bool |
| 2411 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__dereferenceable(const const_iterator* __i) const |
| 2412 | { |
| 2413 | return __i->__node_ != nullptr; |
| 2414 | } |
| 2415 | |
| 2416 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2417 | bool |
| 2418 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__decrementable(const const_iterator*) const |
| 2419 | { |
| 2420 | return false; |
| 2421 | } |
| 2422 | |
| 2423 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2424 | bool |
| 2425 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__addable(const const_iterator*, ptrdiff_t) const |
| 2426 | { |
| 2427 | return false; |
| 2428 | } |
| 2429 | |
| 2430 | template <class _Tp, class _Hash, class _Equal, class _Alloc> |
| 2431 | bool |
| 2432 | __hash_table<_Tp, _Hash, _Equal, _Alloc>::__subscriptable(const const_iterator*, ptrdiff_t) const |
| 2433 | { |
| 2434 | return false; |
| 2435 | } |
| 2436 | |
| 2437 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2438 | _LIBCPP_END_NAMESPACE_STD |
| 2439 | |
| 2440 | #endif // _LIBCPP__HASH_TABLE |