profile/vector
Go to the documentation of this file.
// Profiling vector implementation -*- C++ -*-
// Copyright (C) 2009-2019 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/vector
* This file is a GNU profile extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_PROFILE_VECTOR
#define _GLIBCXX_PROFILE_VECTOR 1
#include <vector>
#include <utility>
#include <profile/base.h>
#include <profile/iterator_tracker.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __profile
{
template<typename _Vector>
class _Vector_profile_pre
{
_Vector&
_M_conjure()
{ return *static_cast<_Vector*>(this); }
public:
#if __cplusplus >= 201103L
_Vector_profile_pre() = default;
_Vector_profile_pre(const _Vector_profile_pre&) = default;
_Vector_profile_pre(_Vector_profile_pre&&) = default;
_Vector_profile_pre&
operator=(const _Vector_profile_pre&)
{ _M_conjure()._M_profile_destruct(); }
_Vector_profile_pre&
operator=(_Vector_profile_pre&&) noexcept
{ _M_conjure()._M_profile_destruct(); }
#endif
};
template<typename _Vector>
class _Vector_profile_post
{
_Vector&
_M_conjure()
{ return *static_cast<_Vector*>(this); }
protected:
__gnu_profile::__container_size_info* _M_size_info;
__gnu_profile::__vector2list_info* _M_vect2list_info;
_Vector_profile_post() _GLIBCXX_NOEXCEPT
{ _M_profile_construct(); }
#if __cplusplus >= 201103L
_Vector_profile_post(const _Vector_profile_post&) noexcept
: _Vector_profile_post() { }
_Vector_profile_post(_Vector_profile_post&& __other) noexcept
: _Vector_profile_post()
{ _M_swap(__other); }
_Vector_profile_post&
operator=(const _Vector_profile_post&) noexcept
{ _M_profile_construct(); }
_Vector_profile_post&
operator=(_Vector_profile_post&& __other) noexcept
{
_M_swap(__other);
__other._M_profile_construct();
}
#endif
~_Vector_profile_post()
{ _M_conjure()._M_profile_destruct(); }
public:
void
_M_profile_construct() _GLIBCXX_NOEXCEPT
{
_M_size_info =
__profcxx_vector_size_construct(_M_conjure().capacity());
_M_vect2list_info = __profcxx_vector2list_construct();
}
void
_M_profile_destruct() _GLIBCXX_NOEXCEPT
{
__profcxx_vector2list_destruct(_M_vect2list_info);
_M_vect2list_info = 0;
__profcxx_vector_size_destruct(_M_size_info,
_M_conjure().capacity(),
_M_conjure().size());
_M_size_info = 0;
}
void
_M_swap(_Vector_profile_post& __other) _GLIBCXX_NOEXCEPT
{
std::swap(_M_size_info, __other._M_size_info);
std::swap(_M_vect2list_info, __other._M_vect2list_info);
}
};
template<typename _Tp,
typename _Allocator = std::allocator<_Tp> >
class vector
: public _Vector_profile_pre<vector<_Tp, _Allocator> >,
public _GLIBCXX_STD_C::vector<_Tp, _Allocator>,
public _Vector_profile_post<vector<_Tp, _Allocator> >
{
typedef _GLIBCXX_STD_C::vector<_Tp, _Allocator> _Base;
typedef typename _Base::iterator _Base_iterator;
typedef typename _Base::const_iterator _Base_const_iterator;
public:
typedef typename _Base::reference reference;
typedef typename _Base::const_reference const_reference;
typedef __iterator_tracker<_Base_iterator, vector>
iterator;
typedef __iterator_tracker<_Base_const_iterator, vector>
const_iterator;
typedef typename _Base::size_type size_type;
typedef typename _Base::difference_type difference_type;
typedef _Tp value_type;
typedef _Allocator allocator_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;
_Base&
_M_base() _GLIBCXX_NOEXCEPT { return *this; }
const _Base&
_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
// 23.2.4.1 construct/copy/destroy:
#if __cplusplus < 201103L
vector()
{ }
vector(const vector& __x)
: _Base(__x) { }
#else
vector() = default;
vector(const vector&) = default;
vector(vector&&) = default;
#endif
explicit
vector(const _Allocator& __a) _GLIBCXX_NOEXCEPT
: _Base(__a) { }
#if __cplusplus >= 201103L
explicit
vector(size_type __n, const _Allocator& __a = _Allocator())
: _Base(__n, __a) { }
vector(size_type __n, const _Tp& __value,
const _Allocator& __a = _Allocator())
: _Base(__n, __value, __a) { }
#else
explicit
vector(size_type __n, const _Tp& __value = _Tp(),
const _Allocator& __a = _Allocator())
: _Base(__n, __value, __a) { }
#endif
#if __cplusplus >= 201103L
template<typename _InputIterator,
typename = std::_RequireInputIter<_InputIterator>>
#else
template<typename _InputIterator>
#endif
vector(_InputIterator __first, _InputIterator __last,
const _Allocator& __a = _Allocator())
: _Base(__first, __last, __a) { }
/// Construction from a normal-mode vector
vector(const _Base& __x)
: _Base(__x) { }
#if __cplusplus >= 201103L
vector(const _Base& __x, const _Allocator& __a)
: _Base(__x, __a) { }
vector(vector&& __x, const _Allocator& __a)
: _Base(std::move(__x), __a) { }
vector(initializer_list<value_type> __l,
const allocator_type& __a = allocator_type())
: _Base(__l, __a) { }
#endif
#if __cplusplus < 201103L
vector&
operator=(const vector& __x)
{
this->_M_profile_destruct();
_M_base() = __x;
this->_M_profile_construct();
return *this;
}
#else
vector&
operator=(const vector&) = default;
vector&
operator=(vector&&) = default;
vector&
operator=(initializer_list<value_type> __l)
{
this->_M_profile_destruct();
_M_base() = __l;
this->_M_profile_construct();
return *this;
}
#endif
// iterators:
iterator
begin() _GLIBCXX_NOEXCEPT
{ return iterator(_Base::begin(), this); }
const_iterator
begin() const _GLIBCXX_NOEXCEPT
{ return const_iterator(_Base::begin(), this); }
iterator
end() _GLIBCXX_NOEXCEPT
{ return iterator(_Base::end(), this); }
const_iterator
end() const _GLIBCXX_NOEXCEPT
{ return const_iterator(_Base::end(), this); }
reverse_iterator
rbegin() _GLIBCXX_NOEXCEPT
{ return reverse_iterator(end()); }
const_reverse_iterator
rbegin() const _GLIBCXX_NOEXCEPT
{ return const_reverse_iterator(end()); }
reverse_iterator
rend() _GLIBCXX_NOEXCEPT
{ return reverse_iterator(begin()); }
const_reverse_iterator
rend() const _GLIBCXX_NOEXCEPT
{ return const_reverse_iterator(begin()); }
#if __cplusplus >= 201103L
const_iterator
cbegin() const noexcept
{ return const_iterator(_Base::begin(), this); }
const_iterator
cend() const noexcept
{ return const_iterator(_Base::end(), this); }
const_reverse_iterator
crbegin() const noexcept
{ return const_reverse_iterator(end()); }
const_reverse_iterator
crend() const noexcept
{ return const_reverse_iterator(begin()); }
#endif
// 23.2.4.2 capacity:
#if __cplusplus >= 201103L
void
resize(size_type __sz)
{
__profcxx_vector2list_invalid_operator(this->_M_vect2list_info);
_M_profile_resize(this->capacity(), __sz);
_Base::resize(__sz);
}
void
resize(size_type __sz, const _Tp& __c)
{
__profcxx_vector2list_invalid_operator(this->_M_vect2list_info);
_M_profile_resize(this->capacity(), __sz);
_Base::resize(__sz, __c);
}
#else
void
resize(size_type __sz, _Tp __c = _Tp())
{
__profcxx_vector2list_invalid_operator(this->_M_vect2list_info);
_M_profile_resize(this->capacity(), __sz);
_Base::resize(__sz, __c);
}
#endif
// element access:
reference
operator[](size_type __n) _GLIBCXX_NOEXCEPT
{
__profcxx_vector2list_invalid_operator(this->_M_vect2list_info);
return _M_base()[__n];
}
const_reference
operator[](size_type __n) const _GLIBCXX_NOEXCEPT
{
__profcxx_vector2list_invalid_operator(this->_M_vect2list_info);
return _M_base()[__n];
}
// 23.2.4.3 modifiers:
void
push_back(const _Tp& __x)
{
size_type __old_size = this->capacity();
_Base::push_back(__x);
_M_profile_resize(__old_size, this->capacity());
}
#if __cplusplus >= 201103L
void
push_back(_Tp&& __x)
{
size_type __old_size = this->capacity();
_Base::push_back(std::move(__x));
_M_profile_resize(__old_size, this->capacity());
}
#endif
iterator
#if __cplusplus >= 201103L
insert(const_iterator __pos, const _Tp& __x)
#else
insert(iterator __pos, const _Tp& __x)
#endif
{
__profcxx_vector2list_insert(this->_M_vect2list_info,
__pos.base() - _Base::begin(),
this->size());
size_type __old_size = this->capacity();
_Base_iterator __res = _Base::insert(__pos.base(), __x);
_M_profile_resize(__old_size, this->capacity());
return iterator(__res, this);
}
#if __cplusplus >= 201103L
iterator
insert(const_iterator __pos, _Tp&& __x)
{
__profcxx_vector2list_insert(this->_M_vect2list_info,
__pos.base() - _Base::cbegin(),
this->size());
size_type __old_size = this->capacity();
_Base_iterator __res = _Base::insert(__pos.base(), __x);
_M_profile_resize(__old_size, this->capacity());
return iterator(__res, this);
}
template<typename... _Args>
iterator
emplace(const_iterator __pos, _Args&&... __args)
{
_Base_iterator __res = _Base::emplace(__pos.base(),
std::forward<_Args>(__args)...);
return iterator(__res, this);
}
iterator
insert(const_iterator __pos, initializer_list<value_type> __l)
{ return this->insert(__pos, __l.begin(), __l.end()); }
#endif
void
swap(vector& __x)
#if __cplusplus >= 201103L
noexcept( noexcept(declval<_Base>().swap(__x)) )
#endif
{
_Base::swap(__x);
this->_M_swap(__x);
}
#if __cplusplus >= 201103L
iterator
insert(const_iterator __pos, size_type __n, const _Tp& __x)
{
__profcxx_vector2list_insert(this->_M_vect2list_info,
__pos.base() - _Base::cbegin(),
this->size());
size_type __old_size = this->capacity();
_Base_iterator __res = _Base::insert(__pos, __n, __x);
_M_profile_resize(__old_size, this->capacity());
return iterator(__res, this);
}
#else
void
insert(iterator __pos, size_type __n, const _Tp& __x)
{
__profcxx_vector2list_insert(this->_M_vect2list_info,
__pos.base() - _Base::begin(),
this->size());
size_type __old_size = this->capacity();
_Base::insert(__pos, __n, __x);
_M_profile_resize(__old_size, this->capacity());
}
#endif
#if __cplusplus >= 201103L
template<typename _InputIterator,
typename = std::_RequireInputIter<_InputIterator>>
iterator
insert(const_iterator __pos,
_InputIterator __first, _InputIterator __last)
{
__profcxx_vector2list_insert(this->_M_vect2list_info,
__pos.base() - _Base::cbegin(),
this->size());
size_type __old_size = this->capacity();
_Base_iterator __res = _Base::insert(__pos, __first, __last);
_M_profile_resize(__old_size, this->capacity());
return iterator(__res, this);
}
#else
template<typename _InputIterator>
void
insert(iterator __pos,
_InputIterator __first, _InputIterator __last)
{
__profcxx_vector2list_insert(this->_M_vect2list_info,
__pos.base() - _Base::begin(),
this->size());
size_type __old_size = this->capacity();
_Base::insert(__pos, __first, __last);
_M_profile_resize(__old_size, this->capacity());
}
#endif
iterator
#if __cplusplus >= 201103L
erase(const_iterator __pos)
#else
erase(iterator __pos)
#endif
{ return iterator(_Base::erase(__pos.base()), this); }
iterator
#if __cplusplus >= 201103L
erase(const_iterator __first, const_iterator __last)
#else
erase(iterator __first, iterator __last)
#endif
{ return iterator(_Base::erase(__first.base(), __last.base()), this); }
void
clear() _GLIBCXX_NOEXCEPT
{
this->_M_profile_destruct();
_Base::clear();
this->_M_profile_construct();
}
inline void
_M_profile_iterate(int __rewind = 0) const
{ __profcxx_vector2list_iterate(this->_M_vect2list_info, __rewind); }
private:
void _M_profile_resize(size_type __old_size, size_type __new_size)
{
if (__old_size < __new_size)
{
__profcxx_vector_size_resize(this->_M_size_info,
this->size(), __new_size);
__profcxx_vector2list_resize(this->_M_vect2list_info,
this->size(), __new_size);
}
}
};
template<typename _Tp, typename _Alloc>
inline bool
operator==(const vector<_Tp, _Alloc>& __lhs,
const vector<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() == __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator!=(const vector<_Tp, _Alloc>& __lhs,
const vector<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() != __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator<(const vector<_Tp, _Alloc>& __lhs,
const vector<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() < __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator<=(const vector<_Tp, _Alloc>& __lhs,
const vector<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() <= __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator>=(const vector<_Tp, _Alloc>& __lhs,
const vector<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() >= __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator>(const vector<_Tp, _Alloc>& __lhs,
const vector<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() > __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline void
swap(vector<_Tp, _Alloc>& __lhs, vector<_Tp, _Alloc>& __rhs)
_GLIBCXX_NOEXCEPT_IF(noexcept(__lhs.swap(__rhs)))
{ __lhs.swap(__rhs); }
} // namespace __profile
#if __cplusplus >= 201103L
// DR 1182.
/// std::hash specialization for vector<bool>.
template<typename _Alloc>
struct hash<__profile::vector<bool, _Alloc>>
: public __hash_base<size_t, __profile::vector<bool, _Alloc>>
{
size_t
operator()(const __profile::vector<bool, _Alloc>& __b) const noexcept
{
return std::hash<_GLIBCXX_STD_C::vector<bool, _Alloc>>()(__b._M_base());
}
};
#endif
} // namespace std
#endif