Viewing file:  map.h (15.86 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
// Profiling map 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/map.h
* This file is a GNU profile extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_PROFILE_MAP_H
#define _GLIBCXX_PROFILE_MAP_H 1
#include <utility>
#include <profile/base.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __profile
{
/// Class std::map wrapper with performance instrumentation.
template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
class map
: public _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator>
{
typedef _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator> _Base;
public:
// types:
typedef _Key key_type;
typedef _Tp mapped_type;
typedef std::pair<const _Key, _Tp> value_type;
typedef _Compare key_compare;
typedef _Allocator allocator_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;
typedef typename _Base::size_type size_type;
typedef typename _Base::difference_type difference_type;
typedef typename _Base::pointer pointer;
typedef typename _Base::const_pointer const_pointer;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
// 23.3.1.1 construct/copy/destroy:
explicit
map(const _Compare& __comp = _Compare(),
const _Allocator& __a = _Allocator())
: _Base(__comp, __a)
{ __profcxx_map_to_unordered_map_construct(this); }
#if __cplusplus >= 201103L
template<typename _InputIterator,
typename = std::_RequireInputIter<_InputIterator>>
#else
template<typename _InputIterator>
#endif
map(_InputIterator __first, _InputIterator __last,
const _Compare& __comp = _Compare(),
const _Allocator& __a = _Allocator())
: _Base(__first, __last, __comp, __a)
{ __profcxx_map_to_unordered_map_construct(this); }
map(const map& __x)
: _Base(__x)
{ __profcxx_map_to_unordered_map_construct(this); }
map(const _Base& __x)
: _Base(__x)
{ __profcxx_map_to_unordered_map_construct(this); }
#if __cplusplus >= 201103L
map(map&& __x)
noexcept(is_nothrow_copy_constructible<_Compare>::value)
: _Base(std::move(__x))
{ }
map(initializer_list<value_type> __l,
const _Compare& __c = _Compare(),
const allocator_type& __a = allocator_type())
: _Base(__l, __c, __a) { }
#endif
~map() _GLIBCXX_NOEXCEPT
{ __profcxx_map_to_unordered_map_destruct(this); }
map&
operator=(const map& __x)
{
*static_cast<_Base*>(this) = __x;
return *this;
}
#if __cplusplus >= 201103L
map&
operator=(map&& __x)
{
// NB: DR 1204.
// NB: DR 675.
this->clear();
this->swap(__x);
return *this;
}
map&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l);
return *this;
}
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 133. map missing get_allocator()
using _Base::get_allocator;
// iterators:
iterator
begin() _GLIBCXX_NOEXCEPT
{ return _Base::begin(); }
const_iterator
begin() const _GLIBCXX_NOEXCEPT
{ return _Base::begin(); }
iterator
end() _GLIBCXX_NOEXCEPT
{ return _Base::end(); }
const_iterator
end() const _GLIBCXX_NOEXCEPT
{ return _Base::end(); }
reverse_iterator
rbegin() _GLIBCXX_NOEXCEPT
{
__profcxx_map_to_unordered_map_invalidate(this);
return reverse_iterator(end());
}
const_reverse_iterator
rbegin() const _GLIBCXX_NOEXCEPT
{
__profcxx_map_to_unordered_map_invalidate(this);
return const_reverse_iterator(end());
}
reverse_iterator
rend() _GLIBCXX_NOEXCEPT
{
__profcxx_map_to_unordered_map_invalidate(this);
return reverse_iterator(begin());
}
const_reverse_iterator
rend() const _GLIBCXX_NOEXCEPT
{
__profcxx_map_to_unordered_map_invalidate(this);
return const_reverse_iterator(begin());
}
#if __cplusplus >= 201103L
const_iterator
cbegin() const noexcept
{ return const_iterator(_Base::begin()); }
const_iterator
cend() const noexcept
{ return const_iterator(_Base::end()); }
const_reverse_iterator
crbegin() const noexcept
{
__profcxx_map_to_unordered_map_invalidate(this);
return const_reverse_iterator(end());
}
const_reverse_iterator
crend() const noexcept
{
__profcxx_map_to_unordered_map_invalidate(this);
return const_reverse_iterator(begin());
}
#endif
// capacity:
using _Base::empty;
using _Base::size;
using _Base::max_size;
// 23.3.1.2 element access:
mapped_type&
operator[](const key_type& __k)
{
__profcxx_map_to_unordered_map_find(this, size());
return _Base::operator[](__k);
}
#if __cplusplus >= 201103L
mapped_type&
operator[](key_type&& __k)
{
__profcxx_map_to_unordered_map_find(this, size());
return _Base::operator[](std::move(__k));
}
#endif
mapped_type&
at(const key_type& __k)
{
__profcxx_map_to_unordered_map_find(this, size());
return _Base::at(__k);
}
const mapped_type&
at(const key_type& __k) const
{
__profcxx_map_to_unordered_map_find(this, size());
return _Base::at(__k);
}
// modifiers:
#if __cplusplus >= 201103L
template<typename... _Args>
std::pair<iterator, bool>
emplace(_Args&&... __args)
{
__profcxx_map_to_unordered_map_insert(this, size(), 1);
auto __res = _Base::emplace(std::forward<_Args>(__args)...);
return std::pair<iterator, bool>(iterator(__res.first),
__res.second);
}
template<typename... _Args>
iterator
emplace_hint(const_iterator __pos, _Args&&... __args)
{
size_type size_before = size();
auto __res = _Base::emplace_hint(__pos,
std::forward<_Args>(__args)...);
__profcxx_map_to_unordered_map_insert(this, size_before,
size() - size_before);
return __res;
}
#endif
std::pair<iterator, bool>
insert(const value_type& __x)
{
__profcxx_map_to_unordered_map_insert(this, size(), 1);
typedef typename _Base::iterator _Base_iterator;
std::pair<_Base_iterator, bool> __res = _Base::insert(__x);
return std::pair<iterator, bool>(iterator(__res.first),
__res.second);
}
#if __cplusplus >= 201103L
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
std::pair<iterator, bool>
insert(_Pair&& __x)
{
__profcxx_map_to_unordered_map_insert(this, size(), 1);
typedef typename _Base::iterator _Base_iterator;
std::pair<_Base_iterator, bool> __res
= _Base::insert(std::forward<_Pair>(__x));
return std::pair<iterator, bool>(iterator(__res.first),
__res.second);
}
#endif
#if __cplusplus >= 201103L
void
insert(std::initializer_list<value_type> __list)
{
size_type size_before = size();
_Base::insert(__list);
__profcxx_map_to_unordered_map_insert(this, size_before,
size() - size_before);
}
#endif
iterator
#if __cplusplus >= 201103L
insert(const_iterator __position, const value_type& __x)
#else
insert(iterator __position, const value_type& __x)
#endif
{
size_type size_before = size();
iterator __i = iterator(_Base::insert(__position, __x));
__profcxx_map_to_unordered_map_insert(this, size_before,
size() - size_before);
return __i;
}
#if __cplusplus >= 201103L
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
iterator
insert(const_iterator __position, _Pair&& __x)
{
size_type size_before = size();
iterator __i
= iterator(_Base::insert(__position, std::forward<_Pair>(__x)));
__profcxx_map_to_unordered_map_insert(this, size_before,
size() - size_before);
return __i;
}
#endif
#if __cplusplus >= 201103L
template<typename _InputIterator,
typename = std::_RequireInputIter<_InputIterator>>
#else
template<typename _InputIterator>
#endif
void
insert(_InputIterator __first, _InputIterator __last)
{
size_type size_before = size();
_Base::insert(__first, __last);
__profcxx_map_to_unordered_map_insert(this, size_before,
size() - size_before);
}
#if __cplusplus >= 201103L
iterator
erase(const_iterator __position)
{
iterator __i = _Base::erase(__position);
__profcxx_map_to_unordered_map_erase(this, size(), 1);
return __i;
}
iterator
erase(iterator __position)
{ return erase(const_iterator(__position)); }
#else
void
erase(iterator __position)
{
_Base::erase(__position);
__profcxx_map_to_unordered_map_erase(this, size(), 1);
}
#endif
size_type
erase(const key_type& __x)
{
iterator __victim = find(__x);
if (__victim == end())
return 0;
else
{
_Base::erase(__victim);
return 1;
}
}
#if __cplusplus >= 201103L
iterator
erase(const_iterator __first, const_iterator __last)
{ return iterator(_Base::erase(__first, __last)); }
#else
void
erase(iterator __first, iterator __last)
{ _Base::erase(__first, __last); }
#endif
void
swap(map& __x)
{ _Base::swap(__x); }
void
clear() _GLIBCXX_NOEXCEPT
{ this->erase(begin(), end()); }
// observers:
using _Base::key_comp;
using _Base::value_comp;
// 23.3.1.3 map operations:
iterator
find(const key_type& __x)
{
__profcxx_map_to_unordered_map_find(this, size());
return iterator(_Base::find(__x));
}
const_iterator
find(const key_type& __x) const
{
__profcxx_map_to_unordered_map_find(this, size());
return const_iterator(_Base::find(__x));
}
size_type
count(const key_type& __x) const
{
__profcxx_map_to_unordered_map_find(this, size());
return _Base::count(__x);
}
iterator
lower_bound(const key_type& __x)
{
__profcxx_map_to_unordered_map_invalidate(this);
return iterator(_Base::lower_bound(__x));
}
const_iterator
lower_bound(const key_type& __x) const
{
__profcxx_map_to_unordered_map_invalidate(this);
return const_iterator(_Base::lower_bound(__x));
}
iterator
upper_bound(const key_type& __x)
{
__profcxx_map_to_unordered_map_invalidate(this);
return iterator(_Base::upper_bound(__x));
}
const_iterator
upper_bound(const key_type& __x) const
{
__profcxx_map_to_unordered_map_invalidate(this);
return const_iterator(_Base::upper_bound(__x));
}
std::pair<iterator,iterator>
equal_range(const key_type& __x)
{
typedef typename _Base::iterator _Base_iterator;
std::pair<_Base_iterator, _Base_iterator> __res =
_Base::equal_range(__x);
return std::make_pair(iterator(__res.first),
iterator(__res.second));
}
std::pair<const_iterator,const_iterator>
equal_range(const key_type& __x) const
{
__profcxx_map_to_unordered_map_find(this, size());
typedef typename _Base::const_iterator _Base_const_iterator;
std::pair<_Base_const_iterator, _Base_const_iterator> __res =
_Base::equal_range(__x);
return std::make_pair(const_iterator(__res.first),
const_iterator(__res.second));
}
_Base&
_M_base() _GLIBCXX_NOEXCEPT { return *this; }
const _Base&
_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
};
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator==(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{
__profcxx_map_to_unordered_map_invalidate(&__lhs);
__profcxx_map_to_unordered_map_invalidate(&__rhs);
return __lhs._M_base() == __rhs._M_base();
}
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator!=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{
__profcxx_map_to_unordered_map_invalidate(&__lhs);
__profcxx_map_to_unordered_map_invalidate(&__rhs);
return __lhs._M_base() != __rhs._M_base();
}
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator<(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{
__profcxx_map_to_unordered_map_invalidate(&__lhs);
__profcxx_map_to_unordered_map_invalidate(&__rhs);
return __lhs._M_base() < __rhs._M_base();
}
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator<=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{
__profcxx_map_to_unordered_map_invalidate(&__lhs);
__profcxx_map_to_unordered_map_invalidate(&__rhs);
return __lhs._M_base() <= __rhs._M_base();
}
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator>=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{
__profcxx_map_to_unordered_map_invalidate(&__lhs);
__profcxx_map_to_unordered_map_invalidate(&__rhs);
return __lhs._M_base() >= __rhs._M_base();
}
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator>(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{
__profcxx_map_to_unordered_map_invalidate(&__lhs);
__profcxx_map_to_unordered_map_invalidate(&__rhs);
return __lhs._M_base() > __rhs._M_base();
}
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline void
swap(map<_Key, _Tp, _Compare, _Allocator>& __lhs,
map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ __lhs.swap(__rhs); }
} // namespace __profile
} // namespace std
#endif
|