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Diffstat (limited to 'contrib/llvm-project/libcxx/include/ext/hash_set')
| -rw-r--r-- | contrib/llvm-project/libcxx/include/ext/hash_set | 661 |
1 files changed, 661 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/ext/hash_set b/contrib/llvm-project/libcxx/include/ext/hash_set new file mode 100644 index 000000000000..e5141824b601 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/ext/hash_set @@ -0,0 +1,661 @@ +// -*- C++ -*- +//===------------------------- hash_set ------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_HASH_SET +#define _LIBCPP_HASH_SET + +/* + + hash_set synopsis + +namespace __gnu_cxx +{ + +template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, + class Alloc = allocator<Value>> +class hash_set +{ +public: + // types + typedef Value key_type; + typedef key_type value_type; + typedef Hash hasher; + typedef Pred key_equal; + typedef Alloc allocator_type; + typedef value_type& reference; + typedef const value_type& const_reference; + typedef typename allocator_traits<allocator_type>::pointer pointer; + typedef typename allocator_traits<allocator_type>::const_pointer const_pointer; + typedef typename allocator_traits<allocator_type>::size_type size_type; + typedef typename allocator_traits<allocator_type>::difference_type difference_type; + + typedef /unspecified/ iterator; + typedef /unspecified/ const_iterator; + + explicit hash_set(size_type n = 193, const hasher& hf = hasher(), + const key_equal& eql = key_equal(), + const allocator_type& a = allocator_type()); + template <class InputIterator> + hash_set(InputIterator f, InputIterator l, + size_type n = 193, const hasher& hf = hasher(), + const key_equal& eql = key_equal(), + const allocator_type& a = allocator_type()); + hash_set(const hash_set&); + ~hash_set(); + hash_set& operator=(const hash_set&); + + allocator_type get_allocator() const; + + bool empty() const; + size_type size() const; + size_type max_size() const; + + iterator begin(); + iterator end(); + const_iterator begin() const; + const_iterator end() const; + + pair<iterator, bool> insert(const value_type& obj); + template <class InputIterator> + void insert(InputIterator first, InputIterator last); + + void erase(const_iterator position); + size_type erase(const key_type& k); + void erase(const_iterator first, const_iterator last); + void clear(); + + void swap(hash_set&); + + hasher hash_funct() const; + key_equal key_eq() const; + + iterator find(const key_type& k); + const_iterator find(const key_type& k) const; + size_type count(const key_type& k) const; + pair<iterator, iterator> equal_range(const key_type& k); + pair<const_iterator, const_iterator> equal_range(const key_type& k) const; + + size_type bucket_count() const; + size_type max_bucket_count() const; + + size_type elems_in_bucket(size_type n) const; + + void resize(size_type n); +}; + +template <class Value, class Hash, class Pred, class Alloc> + void swap(hash_set<Value, Hash, Pred, Alloc>& x, + hash_set<Value, Hash, Pred, Alloc>& y); + +template <class Value, class Hash, class Pred, class Alloc> + bool + operator==(const hash_set<Value, Hash, Pred, Alloc>& x, + const hash_set<Value, Hash, Pred, Alloc>& y); + +template <class Value, class Hash, class Pred, class Alloc> + bool + operator!=(const hash_set<Value, Hash, Pred, Alloc>& x, + const hash_set<Value, Hash, Pred, Alloc>& y); + +template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, + class Alloc = allocator<Value>> +class hash_multiset +{ +public: + // types + typedef Value key_type; + typedef key_type value_type; + typedef Hash hasher; + typedef Pred key_equal; + typedef Alloc allocator_type; + typedef value_type& reference; + typedef const value_type& const_reference; + typedef typename allocator_traits<allocator_type>::pointer pointer; + typedef typename allocator_traits<allocator_type>::const_pointer const_pointer; + typedef typename allocator_traits<allocator_type>::size_type size_type; + typedef typename allocator_traits<allocator_type>::difference_type difference_type; + + typedef /unspecified/ iterator; + typedef /unspecified/ const_iterator; + + explicit hash_multiset(size_type n = 193, const hasher& hf = hasher(), + const key_equal& eql = key_equal(), + const allocator_type& a = allocator_type()); + template <class InputIterator> + hash_multiset(InputIterator f, InputIterator l, + size_type n = 193, const hasher& hf = hasher(), + const key_equal& eql = key_equal(), + const allocator_type& a = allocator_type()); + hash_multiset(const hash_multiset&); + ~hash_multiset(); + hash_multiset& operator=(const hash_multiset&); + + allocator_type get_allocator() const; + + bool empty() const; + size_type size() const; + size_type max_size() const; + + iterator begin(); + iterator end(); + const_iterator begin() const; + const_iterator end() const; + + iterator insert(const value_type& obj); + template <class InputIterator> + void insert(InputIterator first, InputIterator last); + + void erase(const_iterator position); + size_type erase(const key_type& k); + void erase(const_iterator first, const_iterator last); + void clear(); + + void swap(hash_multiset&); + + hasher hash_funct() const; + key_equal key_eq() const; + + iterator find(const key_type& k); + const_iterator find(const key_type& k) const; + size_type count(const key_type& k) const; + pair<iterator, iterator> equal_range(const key_type& k); + pair<const_iterator, const_iterator> equal_range(const key_type& k) const; + + size_type bucket_count() const; + size_type max_bucket_count() const; + + size_type elems_in_bucket(size_type n) const; + + void resize(size_type n); +}; + +template <class Value, class Hash, class Pred, class Alloc> + void swap(hash_multiset<Value, Hash, Pred, Alloc>& x, + hash_multiset<Value, Hash, Pred, Alloc>& y); + +template <class Value, class Hash, class Pred, class Alloc> + bool + operator==(const hash_multiset<Value, Hash, Pred, Alloc>& x, + const hash_multiset<Value, Hash, Pred, Alloc>& y); + +template <class Value, class Hash, class Pred, class Alloc> + bool + operator!=(const hash_multiset<Value, Hash, Pred, Alloc>& x, + const hash_multiset<Value, Hash, Pred, Alloc>& y); +} // __gnu_cxx + +*/ + +#include <__config> +#include <__hash_table> +#include <functional> +#include <ext/__hash> + +#if __DEPRECATED +#if defined(_LIBCPP_WARNING) + _LIBCPP_WARNING("Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set>") +#else +# warning Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set> +#endif +#endif + +namespace __gnu_cxx { + + +template <class _Value, class _Hash = hash<_Value>, class _Pred = std::equal_to<_Value>, + class _Alloc = std::allocator<_Value> > +class _LIBCPP_TEMPLATE_VIS hash_set +{ +public: + // types + typedef _Value key_type; + typedef key_type value_type; + typedef _Hash hasher; + typedef _Pred key_equal; + typedef _Alloc allocator_type; + typedef value_type& reference; + typedef const value_type& const_reference; + +private: + typedef std::__hash_table<value_type, hasher, key_equal, allocator_type> __table; + + __table __table_; + +public: + typedef typename __table::pointer pointer; + typedef typename __table::const_pointer const_pointer; + typedef typename __table::size_type size_type; + typedef typename __table::difference_type difference_type; + + typedef typename __table::const_iterator iterator; + typedef typename __table::const_iterator const_iterator; + + _LIBCPP_INLINE_VISIBILITY + hash_set() {__table_.rehash(193);} + explicit hash_set(size_type __n, const hasher& __hf = hasher(), + const key_equal& __eql = key_equal()); + hash_set(size_type __n, const hasher& __hf, const key_equal& __eql, + const allocator_type& __a); + template <class _InputIterator> + hash_set(_InputIterator __first, _InputIterator __last); + template <class _InputIterator> + hash_set(_InputIterator __first, _InputIterator __last, + size_type __n, const hasher& __hf = hasher(), + const key_equal& __eql = key_equal()); + template <class _InputIterator> + hash_set(_InputIterator __first, _InputIterator __last, + size_type __n, const hasher& __hf, const key_equal& __eql, + const allocator_type& __a); + hash_set(const hash_set& __u); + + _LIBCPP_INLINE_VISIBILITY + allocator_type get_allocator() const + {return allocator_type(__table_.__node_alloc());} + + _LIBCPP_INLINE_VISIBILITY + bool empty() const {return __table_.size() == 0;} + _LIBCPP_INLINE_VISIBILITY + size_type size() const {return __table_.size();} + _LIBCPP_INLINE_VISIBILITY + size_type max_size() const {return __table_.max_size();} + + _LIBCPP_INLINE_VISIBILITY + iterator begin() {return __table_.begin();} + _LIBCPP_INLINE_VISIBILITY + iterator end() {return __table_.end();} + _LIBCPP_INLINE_VISIBILITY + const_iterator begin() const {return __table_.begin();} + _LIBCPP_INLINE_VISIBILITY + const_iterator end() const {return __table_.end();} + + _LIBCPP_INLINE_VISIBILITY + std::pair<iterator, bool> insert(const value_type& __x) + {return __table_.__insert_unique(__x);} + _LIBCPP_INLINE_VISIBILITY + iterator insert(const_iterator, const value_type& __x) {return insert(__x).first;} + template <class _InputIterator> + _LIBCPP_INLINE_VISIBILITY + void insert(_InputIterator __first, _InputIterator __last); + + _LIBCPP_INLINE_VISIBILITY + void erase(const_iterator __p) {__table_.erase(__p);} + _LIBCPP_INLINE_VISIBILITY + size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);} + _LIBCPP_INLINE_VISIBILITY + void erase(const_iterator __first, const_iterator __last) + {__table_.erase(__first, __last);} + _LIBCPP_INLINE_VISIBILITY + void clear() {__table_.clear();} + + _LIBCPP_INLINE_VISIBILITY + void swap(hash_set& __u) {__table_.swap(__u.__table_);} + + _LIBCPP_INLINE_VISIBILITY + hasher hash_funct() const {return __table_.hash_function();} + _LIBCPP_INLINE_VISIBILITY + key_equal key_eq() const {return __table_.key_eq();} + + _LIBCPP_INLINE_VISIBILITY + iterator find(const key_type& __k) {return __table_.find(__k);} + _LIBCPP_INLINE_VISIBILITY + const_iterator find(const key_type& __k) const {return __table_.find(__k);} + _LIBCPP_INLINE_VISIBILITY + size_type count(const key_type& __k) const {return __table_.__count_unique(__k);} + _LIBCPP_INLINE_VISIBILITY + std::pair<iterator, iterator> equal_range(const key_type& __k) + {return __table_.__equal_range_unique(__k);} + _LIBCPP_INLINE_VISIBILITY + std::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const + {return __table_.__equal_range_unique(__k);} + + _LIBCPP_INLINE_VISIBILITY + size_type bucket_count() const {return __table_.bucket_count();} + _LIBCPP_INLINE_VISIBILITY + size_type max_bucket_count() const {return __table_.max_bucket_count();} + + _LIBCPP_INLINE_VISIBILITY + size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);} + + _LIBCPP_INLINE_VISIBILITY + void resize(size_type __n) {__table_.rehash(__n);} +}; + +template <class _Value, class _Hash, class _Pred, class _Alloc> +hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n, + const hasher& __hf, const key_equal& __eql) + : __table_(__hf, __eql) +{ + __table_.rehash(__n); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n, + const hasher& __hf, const key_equal& __eql, const allocator_type& __a) + : __table_(__hf, __eql, __a) +{ + __table_.rehash(__n); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set( + _InputIterator __first, _InputIterator __last) +{ + __table_.rehash(193); + insert(__first, __last); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set( + _InputIterator __first, _InputIterator __last, size_type __n, + const hasher& __hf, const key_equal& __eql) + : __table_(__hf, __eql) +{ + __table_.rehash(__n); + insert(__first, __last); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set( + _InputIterator __first, _InputIterator __last, size_type __n, + const hasher& __hf, const key_equal& __eql, const allocator_type& __a) + : __table_(__hf, __eql, __a) +{ + __table_.rehash(__n); + insert(__first, __last); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set( + const hash_set& __u) + : __table_(__u.__table_) +{ + __table_.rehash(__u.bucket_count()); + insert(__u.begin(), __u.end()); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +inline +void +hash_set<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, + _InputIterator __last) +{ + for (; __first != __last; ++__first) + __table_.__insert_unique(*__first); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +inline _LIBCPP_INLINE_VISIBILITY +void +swap(hash_set<_Value, _Hash, _Pred, _Alloc>& __x, + hash_set<_Value, _Hash, _Pred, _Alloc>& __y) +{ + __x.swap(__y); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +bool +operator==(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x, + const hash_set<_Value, _Hash, _Pred, _Alloc>& __y) +{ + if (__x.size() != __y.size()) + return false; + typedef typename hash_set<_Value, _Hash, _Pred, _Alloc>::const_iterator + const_iterator; + for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end(); + __i != __ex; ++__i) + { + const_iterator __j = __y.find(*__i); + if (__j == __ey || !(*__i == *__j)) + return false; + } + return true; +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator!=(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x, + const hash_set<_Value, _Hash, _Pred, _Alloc>& __y) +{ + return !(__x == __y); +} + +template <class _Value, class _Hash = hash<_Value>, class _Pred = std::equal_to<_Value>, + class _Alloc = std::allocator<_Value> > +class _LIBCPP_TEMPLATE_VIS hash_multiset +{ +public: + // types + typedef _Value key_type; + typedef key_type value_type; + typedef _Hash hasher; + typedef _Pred key_equal; + typedef _Alloc allocator_type; + typedef value_type& reference; + typedef const value_type& const_reference; + +private: + typedef std::__hash_table<value_type, hasher, key_equal, allocator_type> __table; + + __table __table_; + +public: + typedef typename __table::pointer pointer; + typedef typename __table::const_pointer const_pointer; + typedef typename __table::size_type size_type; + typedef typename __table::difference_type difference_type; + + typedef typename __table::const_iterator iterator; + typedef typename __table::const_iterator const_iterator; + + _LIBCPP_INLINE_VISIBILITY + hash_multiset() {__table_.rehash(193);} + explicit hash_multiset(size_type __n, const hasher& __hf = hasher(), + const key_equal& __eql = key_equal()); + hash_multiset(size_type __n, const hasher& __hf, + const key_equal& __eql, const allocator_type& __a); + template <class _InputIterator> + hash_multiset(_InputIterator __first, _InputIterator __last); + template <class _InputIterator> + hash_multiset(_InputIterator __first, _InputIterator __last, + size_type __n, const hasher& __hf = hasher(), + const key_equal& __eql = key_equal()); + template <class _InputIterator> + hash_multiset(_InputIterator __first, _InputIterator __last, + size_type __n , const hasher& __hf, + const key_equal& __eql, const allocator_type& __a); + hash_multiset(const hash_multiset& __u); + + _LIBCPP_INLINE_VISIBILITY + allocator_type get_allocator() const + {return allocator_type(__table_.__node_alloc());} + + _LIBCPP_INLINE_VISIBILITY + bool empty() const {return __table_.size() == 0;} + _LIBCPP_INLINE_VISIBILITY + size_type size() const {return __table_.size();} + _LIBCPP_INLINE_VISIBILITY + size_type max_size() const {return __table_.max_size();} + + _LIBCPP_INLINE_VISIBILITY + iterator begin() {return __table_.begin();} + _LIBCPP_INLINE_VISIBILITY + iterator end() {return __table_.end();} + _LIBCPP_INLINE_VISIBILITY + const_iterator begin() const {return __table_.begin();} + _LIBCPP_INLINE_VISIBILITY + const_iterator end() const {return __table_.end();} + + _LIBCPP_INLINE_VISIBILITY + iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);} + _LIBCPP_INLINE_VISIBILITY + iterator insert(const_iterator, const value_type& __x) {return insert(__x);} + template <class _InputIterator> + _LIBCPP_INLINE_VISIBILITY + void insert(_InputIterator __first, _InputIterator __last); + + _LIBCPP_INLINE_VISIBILITY + void erase(const_iterator __p) {__table_.erase(__p);} + _LIBCPP_INLINE_VISIBILITY + size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);} + _LIBCPP_INLINE_VISIBILITY + void erase(const_iterator __first, const_iterator __last) + {__table_.erase(__first, __last);} + _LIBCPP_INLINE_VISIBILITY + void clear() {__table_.clear();} + + _LIBCPP_INLINE_VISIBILITY + void swap(hash_multiset& __u) {__table_.swap(__u.__table_);} + + _LIBCPP_INLINE_VISIBILITY + hasher hash_funct() const {return __table_.hash_function();} + _LIBCPP_INLINE_VISIBILITY + key_equal key_eq() const {return __table_.key_eq();} + + _LIBCPP_INLINE_VISIBILITY + iterator find(const key_type& __k) {return __table_.find(__k);} + _LIBCPP_INLINE_VISIBILITY + const_iterator find(const key_type& __k) const {return __table_.find(__k);} + _LIBCPP_INLINE_VISIBILITY + size_type count(const key_type& __k) const {return __table_.__count_multi(__k);} + _LIBCPP_INLINE_VISIBILITY + std::pair<iterator, iterator> equal_range(const key_type& __k) + {return __table_.__equal_range_multi(__k);} + _LIBCPP_INLINE_VISIBILITY + std::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const + {return __table_.__equal_range_multi(__k);} + + _LIBCPP_INLINE_VISIBILITY + size_type bucket_count() const {return __table_.bucket_count();} + _LIBCPP_INLINE_VISIBILITY + size_type max_bucket_count() const {return __table_.max_bucket_count();} + + _LIBCPP_INLINE_VISIBILITY + size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);} + + _LIBCPP_INLINE_VISIBILITY + void resize(size_type __n) {__table_.rehash(__n);} +}; + +template <class _Value, class _Hash, class _Pred, class _Alloc> +hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset( + size_type __n, const hasher& __hf, const key_equal& __eql) + : __table_(__hf, __eql) +{ + __table_.rehash(__n); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset( + size_type __n, const hasher& __hf, const key_equal& __eql, + const allocator_type& __a) + : __table_(__hf, __eql, __a) +{ + __table_.rehash(__n); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset( + _InputIterator __first, _InputIterator __last) +{ + __table_.rehash(193); + insert(__first, __last); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset( + _InputIterator __first, _InputIterator __last, size_type __n, + const hasher& __hf, const key_equal& __eql) + : __table_(__hf, __eql) +{ + __table_.rehash(__n); + insert(__first, __last); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset( + _InputIterator __first, _InputIterator __last, size_type __n, + const hasher& __hf, const key_equal& __eql, const allocator_type& __a) + : __table_(__hf, __eql, __a) +{ + __table_.rehash(__n); + insert(__first, __last); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset( + const hash_multiset& __u) + : __table_(__u.__table_) +{ + __table_.rehash(__u.bucket_count()); + insert(__u.begin(), __u.end()); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +template <class _InputIterator> +inline +void +hash_multiset<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, + _InputIterator __last) +{ + for (; __first != __last; ++__first) + __table_.__insert_multi(*__first); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +inline _LIBCPP_INLINE_VISIBILITY +void +swap(hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x, + hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y) +{ + __x.swap(__y); +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +bool +operator==(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x, + const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y) +{ + if (__x.size() != __y.size()) + return false; + typedef typename hash_multiset<_Value, _Hash, _Pred, _Alloc>::const_iterator + const_iterator; + typedef std::pair<const_iterator, const_iterator> _EqRng; + for (const_iterator __i = __x.begin(), __ex = __x.end(); __i != __ex;) + { + _EqRng __xeq = __x.equal_range(*__i); + _EqRng __yeq = __y.equal_range(*__i); + if (_VSTD::distance(__xeq.first, __xeq.second) != + _VSTD::distance(__yeq.first, __yeq.second) || + !_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first)) + return false; + __i = __xeq.second; + } + return true; +} + +template <class _Value, class _Hash, class _Pred, class _Alloc> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator!=(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x, + const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y) +{ + return !(__x == __y); +} + +} // __gnu_cxx + +#endif // _LIBCPP_HASH_SET |