85ec4feb11
From-SVN: r256169
562 lines
16 KiB
C++
562 lines
16 KiB
C++
// Profiling unordered_set/unordered_multiset implementation -*- C++ -*-
|
|
|
|
// Copyright (C) 2009-2018 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// Under Section 7 of GPL version 3, you are granted additional
|
|
// permissions described in the GCC Runtime Library Exception, version
|
|
// 3.1, as published by the Free Software Foundation.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
/** @file profile/unordered_set
|
|
* This file is a GNU profile extension to the Standard C++ Library.
|
|
*/
|
|
|
|
#ifndef _GLIBCXX_PROFILE_UNORDERED_SET
|
|
#define _GLIBCXX_PROFILE_UNORDERED_SET 1
|
|
|
|
#if __cplusplus < 201103L
|
|
# include <bits/c++0x_warning.h>
|
|
#else
|
|
# include <unordered_set>
|
|
|
|
#include <profile/base.h>
|
|
#include <profile/unordered_base.h>
|
|
|
|
#define _GLIBCXX_BASE unordered_set<_Key, _Hash, _Pred, _Alloc>
|
|
#define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
|
|
|
|
namespace std _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
namespace __profile
|
|
{
|
|
/** @brief Unordered_set wrapper with performance instrumentation. */
|
|
template<typename _Key,
|
|
typename _Hash = std::hash<_Key>,
|
|
typename _Pred = std::equal_to<_Key>,
|
|
typename _Alloc = std::allocator<_Key> >
|
|
class unordered_set
|
|
: public _GLIBCXX_STD_BASE,
|
|
public _Unordered_profile<unordered_set<_Key, _Hash, _Pred, _Alloc>,
|
|
true>
|
|
{
|
|
typedef _GLIBCXX_STD_BASE _Base;
|
|
|
|
_Base&
|
|
_M_base() noexcept { return *this; }
|
|
|
|
const _Base&
|
|
_M_base() const noexcept { return *this; }
|
|
|
|
public:
|
|
typedef typename _Base::size_type size_type;
|
|
typedef typename _Base::hasher hasher;
|
|
typedef typename _Base::key_equal key_equal;
|
|
typedef typename _Base::allocator_type allocator_type;
|
|
typedef typename _Base::key_type key_type;
|
|
typedef typename _Base::value_type value_type;
|
|
typedef typename _Base::difference_type difference_type;
|
|
typedef typename _Base::reference reference;
|
|
typedef typename _Base::const_reference const_reference;
|
|
|
|
typedef typename _Base::iterator iterator;
|
|
typedef typename _Base::const_iterator const_iterator;
|
|
|
|
unordered_set() = default;
|
|
|
|
explicit
|
|
unordered_set(size_type __n,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__n, __hf, __eql, __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_set(_InputIterator __f, _InputIterator __l,
|
|
size_type __n = 0,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__f, __l, __n, __hf, __eql, __a)
|
|
{ }
|
|
|
|
unordered_set(const unordered_set&) = default;
|
|
|
|
unordered_set(const _Base& __x)
|
|
: _Base(__x)
|
|
{ }
|
|
|
|
unordered_set(unordered_set&&) = default;
|
|
|
|
explicit
|
|
unordered_set(const allocator_type& __a)
|
|
: _Base(__a)
|
|
{ }
|
|
|
|
unordered_set(const unordered_set& __uset,
|
|
const allocator_type& __a)
|
|
: _Base(__uset._M_base(), __a)
|
|
{ }
|
|
|
|
unordered_set(unordered_set&& __uset,
|
|
const allocator_type& __a)
|
|
: _Base(std::move(__uset._M_base()), __a)
|
|
{ }
|
|
|
|
unordered_set(initializer_list<value_type> __l,
|
|
size_type __n = 0,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__l, __n, __hf, __eql, __a)
|
|
{ }
|
|
|
|
unordered_set(size_type __n, const allocator_type& __a)
|
|
: unordered_set(__n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_set(size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_set(__n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_set(_InputIterator __first, _InputIterator __last,
|
|
size_type __n,
|
|
const allocator_type& __a)
|
|
: unordered_set(__first, __last, __n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_set(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_set(__first, __last, __n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_set(initializer_list<value_type> __l,
|
|
size_type __n,
|
|
const allocator_type& __a)
|
|
: unordered_set(__l, __n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_set(initializer_list<value_type> __l,
|
|
size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_set(__l, __n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_set&
|
|
operator=(const unordered_set&) = default;
|
|
|
|
unordered_set&
|
|
operator=(unordered_set&&) = default;
|
|
|
|
unordered_set&
|
|
operator=(initializer_list<value_type> __l)
|
|
{
|
|
this->_M_profile_destruct();
|
|
_M_base() = __l;
|
|
this->_M_profile_construct();
|
|
return *this;
|
|
}
|
|
|
|
void
|
|
swap(unordered_set& __x)
|
|
noexcept( noexcept(__x._M_base().swap(__x)) )
|
|
{
|
|
_Base::swap(__x);
|
|
this->_M_swap(__x);
|
|
}
|
|
|
|
void
|
|
clear() noexcept
|
|
{
|
|
this->_M_profile_destruct();
|
|
_Base::clear();
|
|
this->_M_profile_construct();
|
|
}
|
|
|
|
template<typename... _Args>
|
|
std::pair<iterator, bool>
|
|
emplace(_Args&&... __args)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
std::pair<iterator, bool> __res
|
|
= _Base::emplace(std::forward<_Args>(__args)...);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace_hint(const_iterator __it, _Args&&... __args)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res
|
|
= _Base::emplace_hint(__it, std::forward<_Args>(__args)...);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
void
|
|
insert(std::initializer_list<value_type> __l)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
_Base::insert(__l);
|
|
this->_M_profile_resize(__old_size);
|
|
}
|
|
|
|
std::pair<iterator, bool>
|
|
insert(const value_type& __obj)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
std::pair<iterator, bool> __res = _Base::insert(__obj);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
iterator
|
|
insert(const_iterator __iter, const value_type& __v)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::insert(__iter, __v);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
std::pair<iterator, bool>
|
|
insert(value_type&& __obj)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
std::pair<iterator, bool> __res = _Base::insert(std::move(__obj));
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
iterator
|
|
insert(const_iterator __iter, value_type&& __v)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::insert(__iter, std::move(__v));
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
template<typename _InputIter>
|
|
void
|
|
insert(_InputIter __first, _InputIter __last)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
_Base::insert(__first, __last);
|
|
this->_M_profile_resize(__old_size);
|
|
}
|
|
|
|
void
|
|
rehash(size_type __n)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
_Base::rehash(__n);
|
|
this->_M_profile_resize(__old_size);
|
|
}
|
|
};
|
|
|
|
template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
|
|
inline void
|
|
swap(unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
|
|
unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
|
|
noexcept(noexcept(__x.swap(__y)))
|
|
{ __x.swap(__y); }
|
|
|
|
template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator==(const unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
|
|
{ return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }
|
|
|
|
template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator!=(const unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
|
|
{ return !(__x == __y); }
|
|
|
|
#undef _GLIBCXX_BASE
|
|
#undef _GLIBCXX_STD_BASE
|
|
#define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
|
|
#define _GLIBCXX_BASE unordered_multiset<_Value, _Hash, _Pred, _Alloc>
|
|
|
|
/** @brief Unordered_multiset wrapper with performance instrumentation. */
|
|
template<typename _Value,
|
|
typename _Hash = std::hash<_Value>,
|
|
typename _Pred = std::equal_to<_Value>,
|
|
typename _Alloc = std::allocator<_Value> >
|
|
class unordered_multiset
|
|
: public _GLIBCXX_STD_BASE,
|
|
public _Unordered_profile<unordered_multiset<_Value,
|
|
_Hash, _Pred, _Alloc>,
|
|
false>
|
|
{
|
|
typedef _GLIBCXX_STD_BASE _Base;
|
|
|
|
_Base&
|
|
_M_base() noexcept { return *this; }
|
|
|
|
const _Base&
|
|
_M_base() const noexcept { return *this; }
|
|
|
|
public:
|
|
typedef typename _Base::size_type size_type;
|
|
typedef typename _Base::hasher hasher;
|
|
typedef typename _Base::key_equal key_equal;
|
|
typedef typename _Base::allocator_type allocator_type;
|
|
typedef typename _Base::key_type key_type;
|
|
typedef typename _Base::value_type value_type;
|
|
typedef typename _Base::difference_type difference_type;
|
|
typedef typename _Base::reference reference;
|
|
typedef typename _Base::const_reference const_reference;
|
|
|
|
typedef typename _Base::iterator iterator;
|
|
typedef typename _Base::const_iterator const_iterator;
|
|
|
|
unordered_multiset() = default;
|
|
|
|
explicit
|
|
unordered_multiset(size_type __n,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__n, __hf, __eql, __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_multiset(_InputIterator __f, _InputIterator __l,
|
|
size_type __n = 0,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__f, __l, __n, __hf, __eql, __a)
|
|
{ }
|
|
|
|
unordered_multiset(const unordered_multiset&) = default;
|
|
|
|
unordered_multiset(const _Base& __x)
|
|
: _Base(__x)
|
|
{ }
|
|
|
|
unordered_multiset(unordered_multiset&&) = default;
|
|
|
|
explicit
|
|
unordered_multiset(const allocator_type& __a)
|
|
: _Base(__a)
|
|
{ }
|
|
|
|
unordered_multiset(const unordered_multiset& __umset,
|
|
const allocator_type& __a)
|
|
: _Base(__umset._M_base(), __a)
|
|
{ }
|
|
|
|
unordered_multiset(unordered_multiset&& __umset,
|
|
const allocator_type& __a)
|
|
: _Base(std::move(__umset._M_base()), __a)
|
|
{ }
|
|
|
|
unordered_multiset(initializer_list<value_type> __l,
|
|
size_type __n = 0,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__l, __n, __hf, __eql, __a)
|
|
{ }
|
|
|
|
unordered_multiset(size_type __n, const allocator_type& __a)
|
|
: unordered_multiset(__n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multiset(size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multiset(__n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_multiset(_InputIterator __first, _InputIterator __last,
|
|
size_type __n,
|
|
const allocator_type& __a)
|
|
: unordered_multiset(__first, __last, __n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_multiset(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multiset(__first, __last, __n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multiset(initializer_list<value_type> __l,
|
|
size_type __n,
|
|
const allocator_type& __a)
|
|
: unordered_multiset(__l, __n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multiset(initializer_list<value_type> __l,
|
|
size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multiset(__l, __n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multiset&
|
|
operator=(const unordered_multiset&) = default;
|
|
|
|
unordered_multiset&
|
|
operator=(unordered_multiset&&) = default;
|
|
|
|
unordered_multiset&
|
|
operator=(initializer_list<value_type> __l)
|
|
{
|
|
this->_M_profile_destruct();
|
|
_M_base() = __l;
|
|
this->_M_profile_construct();
|
|
return *this;
|
|
}
|
|
|
|
void
|
|
swap(unordered_multiset& __x)
|
|
noexcept( noexcept(__x._M_base().swap(__x)) )
|
|
{
|
|
_Base::swap(__x);
|
|
this->_M_swap(__x);
|
|
}
|
|
|
|
void
|
|
clear() noexcept
|
|
{
|
|
this->_M_profile_destruct();
|
|
_Base::clear();
|
|
this->_M_profile_construct();
|
|
}
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace(_Args&&... __args)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::emplace(std::forward<_Args>(__args)...);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace_hint(const_iterator __it, _Args&&... __args)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res
|
|
= _Base::emplace_hint(__it, std::forward<_Args>(__args)...);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
void
|
|
insert(std::initializer_list<value_type> __l)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
_Base::insert(__l);
|
|
this->_M_profile_resize(__old_size);
|
|
}
|
|
|
|
iterator
|
|
insert(const value_type& __obj)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::insert(__obj);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
iterator
|
|
insert(const_iterator __iter, const value_type& __v)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::insert(__iter, __v);
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
iterator
|
|
insert(value_type&& __obj)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::insert(std::move(__obj));
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
iterator
|
|
insert(const_iterator __iter, value_type&& __v)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
iterator __res = _Base::insert(__iter, std::move(__v));
|
|
this->_M_profile_resize(__old_size);
|
|
return __res;
|
|
}
|
|
|
|
template<typename _InputIter>
|
|
void
|
|
insert(_InputIter __first, _InputIter __last)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
_Base::insert(__first, __last);
|
|
this->_M_profile_resize(__old_size);
|
|
}
|
|
|
|
void
|
|
rehash(size_type __n)
|
|
{
|
|
size_type __old_size = _Base::bucket_count();
|
|
_Base::rehash(__n);
|
|
this->_M_profile_resize(__old_size);
|
|
}
|
|
};
|
|
|
|
template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
|
|
inline void
|
|
swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
|
|
unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
|
|
noexcept(noexcept(__x.swap(__y)))
|
|
{ __x.swap(__y); }
|
|
|
|
template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
|
|
{ return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }
|
|
|
|
template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator!=(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
|
|
{ return !(__x == __y); }
|
|
|
|
} // namespace __profile
|
|
} // namespace std
|
|
|
|
#undef _GLIBCXX_BASE
|
|
#undef _GLIBCXX_STD_BASE
|
|
|
|
#endif // C++11
|
|
|
|
#endif
|