stl_algobase.h (struct __iter_base): Rename to _Iter_base; add iterator_type typedef.

2010-02-05  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_algobase.h (struct __iter_base): Rename to
	_Iter_base; add iterator_type typedef.
	(struct __miter_base): Rename to _Miter_base.
	(struct __niter_base): Rename to _Niter_base.
	(__miter_base, __niter_base): Add, use the latter; adjust everywhere.

From-SVN: r156515
This commit is contained in:
Paolo Carlini 2010-02-05 10:55:54 +00:00 committed by Paolo Carlini
parent 3cdabe3b06
commit 6989b63f39
2 changed files with 54 additions and 39 deletions

View File

@ -1,3 +1,11 @@
2010-02-05 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/stl_algobase.h (struct __iter_base): Rename to
_Iter_base; add iterator_type typedef.
(struct __miter_base): Rename to _Miter_base.
(struct __niter_base): Rename to _Niter_base.
(__miter_base, __niter_base): Add, use the latter; adjust everywhere.
2010-02-04 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/42460

View File

@ -262,34 +262,46 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
// If _Iterator has a base returns it otherwise _Iterator is returned
// untouched
template<typename _Iterator, bool _HasBase>
struct __iter_base
struct _Iter_base
{
static _Iterator
__b(_Iterator __it)
typedef _Iterator iterator_type;
static iterator_type
_S_base(_Iterator __it)
{ return __it; }
};
template<typename _Iterator>
struct __iter_base<_Iterator, true>
struct _Iter_base<_Iterator, true>
{
static typename _Iterator::iterator_type
__b(_Iterator __it)
typedef typename _Iterator::iterator_type iterator_type;
static iterator_type
_S_base(_Iterator __it)
{ return __it.base(); }
};
// If _Iterator is a __normal_iterator return its base (a plain pointer,
// normally) otherwise return it untouched. See copy, fill, ...
template<typename _Iterator>
struct __niter_base
: __iter_base<_Iterator, __is_normal_iterator<_Iterator>::__value>
struct _Niter_base
: _Iter_base<_Iterator, __is_normal_iterator<_Iterator>::__value>
{ };
template<typename _Iterator>
inline typename _Niter_base<_Iterator>::iterator_type
__niter_base(_Iterator __it)
{ return std::_Niter_base<_Iterator>::_S_base(__it); }
// Likewise, for move_iterator.
template<typename _Iterator>
struct __miter_base
: __iter_base<_Iterator, __is_move_iterator<_Iterator>::__value>
struct _Miter_base
: _Iter_base<_Iterator, __is_move_iterator<_Iterator>::__value>
{ };
template<typename _Iterator>
inline typename _Miter_base<_Iterator>::iterator_type
__miter_base(_Iterator __it)
{ return std::_Miter_base<_Iterator>::_S_base(__it); }
// All of these auxiliary structs serve two purposes. (1) Replace
// calls to copy with memmove whenever possible. (Memmove, not memcpy,
// because the input and output ranges are permitted to overlap.)
@ -425,10 +437,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
inline _OI
__copy_move_a2(_II __first, _II __last, _OI __result)
{
return _OI(std::__copy_move_a<_IsMove>
(std::__niter_base<_II>::__b(__first),
std::__niter_base<_II>::__b(__last),
std::__niter_base<_OI>::__b(__result)));
return _OI(std::__copy_move_a<_IsMove>(std::__niter_base(__first),
std::__niter_base(__last),
std::__niter_base(__result)));
}
/**
@ -459,8 +470,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
__glibcxx_requires_valid_range(__first, __last);
return (std::__copy_move_a2<__is_move_iterator<_II>::__value>
(std::__miter_base<_II>::__b(__first),
std::__miter_base<_II>::__b(__last), __result));
(std::__miter_base(__first), std::__miter_base(__last),
__result));
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
@ -491,9 +502,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
typename iterator_traits<_II>::value_type>)
__glibcxx_requires_valid_range(__first, __last);
return (std::__copy_move_a2<true>
(std::__miter_base<_II>::__b(__first),
std::__miter_base<_II>::__b(__last), __result));
return std::__copy_move_a2<true>(std::__miter_base(__first),
std::__miter_base(__last), __result);
}
#define _GLIBCXX_MOVE3(_Tp, _Up, _Vp) std::move(_Tp, _Up, _Vp)
@ -596,9 +606,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
__copy_move_backward_a2(_BI1 __first, _BI1 __last, _BI2 __result)
{
return _BI2(std::__copy_move_backward_a<_IsMove>
(std::__niter_base<_BI1>::__b(__first),
std::__niter_base<_BI1>::__b(__last),
std::__niter_base<_BI2>::__b(__result)));
(std::__niter_base(__first), std::__niter_base(__last),
std::__niter_base(__result)));
}
/**
@ -632,8 +641,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
__glibcxx_requires_valid_range(__first, __last);
return (std::__copy_move_backward_a2<__is_move_iterator<_BI1>::__value>
(std::__miter_base<_BI1>::__b(__first),
std::__miter_base<_BI1>::__b(__last), __result));
(std::__miter_base(__first), std::__miter_base(__last),
__result));
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
@ -667,9 +676,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
typename iterator_traits<_BI2>::value_type>)
__glibcxx_requires_valid_range(__first, __last);
return (std::__copy_move_backward_a2<true>
(std::__miter_base<_BI1>::__b(__first),
std::__miter_base<_BI1>::__b(__last), __result));
return std::__copy_move_backward_a2<true>(std::__miter_base(__first),
std::__miter_base(__last),
__result);
}
#define _GLIBCXX_MOVE_BACKWARD3(_Tp, _Up, _Vp) std::move_backward(_Tp, _Up, _Vp)
@ -730,8 +739,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
_ForwardIterator>)
__glibcxx_requires_valid_range(__first, __last);
std::__fill_a(std::__niter_base<_ForwardIterator>::__b(__first),
std::__niter_base<_ForwardIterator>::__b(__last), __value);
std::__fill_a(std::__niter_base(__first), std::__niter_base(__last),
__value);
}
template<typename _OutputIterator, typename _Size, typename _Tp>
@ -786,8 +795,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
// concept requirements
__glibcxx_function_requires(_OutputIteratorConcept<_OI, _Tp>)
return _OI(std::__fill_n_a(std::__niter_base<_OI>::__b(__first),
__n, __value));
return _OI(std::__fill_n_a(std::__niter_base(__first), __n, __value));
}
template<bool _BoolType>
@ -958,9 +966,9 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
typename iterator_traits<_II2>::value_type>)
__glibcxx_requires_valid_range(__first1, __last1);
return std::__equal_aux(std::__niter_base<_II1>::__b(__first1),
std::__niter_base<_II1>::__b(__last1),
std::__niter_base<_II2>::__b(__first2));
return std::__equal_aux(std::__niter_base(__first1),
std::__niter_base(__last1),
std::__niter_base(__first2));
}
/**
@ -1024,11 +1032,10 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
__glibcxx_requires_valid_range(__first1, __last1);
__glibcxx_requires_valid_range(__first2, __last2);
return std::__lexicographical_compare_aux
(std::__niter_base<_II1>::__b(__first1),
std::__niter_base<_II1>::__b(__last1),
std::__niter_base<_II2>::__b(__first2),
std::__niter_base<_II2>::__b(__last2));
return std::__lexicographical_compare_aux(std::__niter_base(__first1),
std::__niter_base(__last1),
std::__niter_base(__first2),
std::__niter_base(__last2));
}
/**