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// Profiling unordered_map/unordered_multimap implementation -*- C++ -*-
// Copyright (C) 2009-2013 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_map
* This file is a GNU profile extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_PROFILE_UNORDERED_MAP
#define _GLIBCXX_PROFILE_UNORDERED_MAP 1
#if __cplusplus < 201103L
# include <bits/c++0x_warning.h>
#else
# include <unordered_map>
#include <profile/base.h>
#include <profile/unordered_base.h>
#define _GLIBCXX_BASE unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>
#define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __profile
{
/// Class std::unordered_map wrapper with performance instrumentation.
template<typename _Key, typename _Tp,
typename _Hash = std::hash<_Key>,
typename _Pred = std::equal_to<_Key>,
typename _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
class unordered_map
: public _GLIBCXX_STD_BASE,
public _Unordered_profile<unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>,
true>
{
typedef typename _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::mapped_type mapped_type;
typedef typename _Base::iterator iterator;
typedef typename _Base::const_iterator const_iterator;
explicit
unordered_map(size_type __n = 10,
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_map(_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_map(const unordered_map&) = default;
unordered_map(const _Base& __x)
: _Base(__x)
{ }
unordered_map(unordered_map&&) = default;
explicit
unordered_map(const allocator_type& __a)
: _Base(__a)
{ }
unordered_map(const unordered_map& __umap,
const allocator_type& __a)
: _Base(__umap, __a)
{ }
unordered_map(unordered_map&& __umap,
const allocator_type& __a)
: _Base(std::move(__umap._M_base()), __a)
{ }
unordered_map(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_map&
operator=(const unordered_map&) = default;
unordered_map&
operator=(unordered_map&&) = default;
unordered_map&
operator=(initializer_list<value_type> __l)
{
_M_base() = __l;
return *this;
}
void
clear() noexcept
{
__profcxx_hashtable_destruct(this, _Base::bucket_count(),
_Base::size());
this->_M_profile_destruct();
_Base::clear();
}
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)...);
_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)...);
_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);
_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);
_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);
_M_profile_resize(__old_size);
return __res;
}
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
std::pair<iterator, bool>
insert(_Pair&& __obj)
{
size_type __old_size = _Base::bucket_count();
std::pair<iterator, bool> __res
= _Base::insert(std::forward<_Pair>(__obj));
_M_profile_resize(__old_size);
return __res;
}
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
iterator
insert(const_iterator __iter, _Pair&& __v)
{
size_type __old_size = _Base::bucket_count();
iterator __res = _Base::insert(__iter, std::forward<_Pair>(__v));
_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);
_M_profile_resize(__old_size);
}
// operator[]
mapped_type&
operator[](const _Key& __k)
{
size_type __old_size = _Base::bucket_count();
mapped_type& __res = _M_base()[__k];
_M_profile_resize(__old_size);
return __res;
}
mapped_type&
operator[](_Key&& __k)
{
size_type __old_size = _Base::bucket_count();
mapped_type& __res = _M_base()[std::move(__k)];
_M_profile_resize(__old_size);
return __res;
}
void
swap(unordered_map& __x)
noexcept( noexcept(__x._M_base().swap(__x)) )
{ _Base::swap(__x._M_base()); }
void rehash(size_type __n)
{
size_type __old_size = _Base::bucket_count();
_Base::rehash(__n);
_M_profile_resize(__old_size);
}
private:
void
_M_profile_resize(size_type __old_size)
{
size_type __new_size = _Base::bucket_count();
if (__old_size != __new_size)
__profcxx_hashtable_resize(this, __old_size, __new_size);
}
};
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline bool
operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline bool
operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ return !(__x == __y); }
#undef _GLIBCXX_BASE
#undef _GLIBCXX_STD_BASE
#define _GLIBCXX_BASE unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>
#define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
/// Class std::unordered_multimap wrapper with performance instrumentation.
template<typename _Key, typename _Tp,
typename _Hash = std::hash<_Key>,
typename _Pred = std::equal_to<_Key>,
typename _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
class unordered_multimap
: public _GLIBCXX_STD_BASE,
public _Unordered_profile<unordered_multimap<_Key, _Tp,
_Hash, _Pred, _Alloc>,
false>
{
typedef typename _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;
explicit
unordered_multimap(size_type __n = 10,
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_multimap(_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_multimap(const unordered_multimap&) = default;
unordered_multimap(const _Base& __x)
: _Base(__x)
{ }
unordered_multimap(unordered_multimap&&) = default;
explicit
unordered_multimap(const allocator_type& __a)
: _Base(__a)
{ }
unordered_multimap(const unordered_multimap& __ummap,
const allocator_type& __a)
: _Base(__ummap._M_base(), __a)
{ }
unordered_multimap(unordered_multimap&& __ummap,
const allocator_type& __a)
: _Base(std::move(__ummap._M_base()), __a)
{ }
unordered_multimap(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_multimap&
operator=(const unordered_multimap&) = default;
unordered_multimap&
operator=(unordered_multimap&&) = default;
unordered_multimap&
operator=(initializer_list<value_type> __l)
{
_M_base() = __l;
return *this;
}
void
clear() noexcept
{
__profcxx_hashtable_destruct(this, _Base::bucket_count(),
_Base::size());
this->_M_profile_destruct();
_Base::clear();
}
template<typename... _Args>
iterator
emplace(_Args&&... __args)
{
size_type __old_size = _Base::bucket_count();
iterator __res
= _Base::emplace(std::forward<_Args>(__args)...);
_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)...);
_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);
_M_profile_resize(__old_size);
}
iterator
insert(const value_type& __obj)
{
size_type __old_size = _Base::bucket_count();
iterator __res = _Base::insert(__obj);
_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);
_M_profile_resize(__old_size);
return __res;
}
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
iterator
insert(_Pair&& __obj)
{
size_type __old_size = _Base::bucket_count();
iterator __res = _Base::insert(std::forward<_Pair>(__obj));
_M_profile_resize(__old_size);
return __res;
}
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
iterator
insert(const_iterator __iter, _Pair&& __v)
{
size_type __old_size = _Base::bucket_count();
iterator __res = _Base::insert(__iter, std::forward<_Pair>(__v));
_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);
_M_profile_resize(__old_size);
}
void
swap(unordered_multimap& __x)
noexcept( noexcept(__x._M_base().swap(__x)) )
{ _Base::swap(__x._M_base()); }
void
rehash(size_type __n)
{
size_type __old_size = _Base::bucket_count();
_Base::rehash(__n);
_M_profile_resize(__old_size);
}
private:
void
_M_profile_resize(size_type __old_size)
{
size_type __new_size = _Base::bucket_count();
if (__old_size != __new_size)
__profcxx_hashtable_resize(this, __old_size, __new_size);
}
};
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline bool
operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline bool
operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ return !(__x == __y); }
} // namespace __profile
} // namespace std
#undef _GLIBCXX_BASE
#undef _GLIBCXX_STD_BASE
#endif // C++11
#endif
|
