#ifndef _GLIBCXX_DEBUG_SAFE_ITERATOR_TCC
#define _GLIBCXX_DEBUG_SAFE_ITERATOR_TCC
namespace std
{
namespace __debug
{
template<typename _Iterator, typename _Sequence>
bool
_Safe_iterator<_Iterator, _Sequence>::
_M_can_advance(const difference_type& __n) const
{
typedef typename _Sequence::const_iterator const_iterator;
if (this->_M_singular())
return false;
if (__n == 0)
return true;
if (__n < 0)
{
const_iterator __begin =
static_cast<const _Sequence*>(_M_sequence)->begin();
pair<difference_type, _Distance_precision> __dist =
this->_M_get_distance(__begin, *this);
bool __ok = (__dist.second == __dp_exact && __dist.first >= -__n
|| __dist.second != __dp_exact && __dist.first > 0);
return __ok;
}
else
{
const_iterator __end =
static_cast<const _Sequence*>(_M_sequence)->end();
pair<difference_type, _Distance_precision> __dist =
this->_M_get_distance(*this, __end);
bool __ok = (__dist.second == __dp_exact && __dist.first >= __n
|| __dist.second != __dp_exact && __dist.first > 0);
return __ok;
}
}
template<typename _Iterator, typename _Sequence>
template<typename _Other>
bool
_Safe_iterator<_Iterator, _Sequence>::
_M_valid_range(const _Safe_iterator<_Other, _Sequence>& __rhs) const
{
if (!_M_can_compare(__rhs))
return false;
pair<difference_type, _Distance_precision> __dist =
this->_M_get_distance(*this, __rhs);
switch (__dist.second) {
case __dp_equality:
if (__dist.first == 0)
return true;
break;
case __dp_sign:
case __dp_exact:
return __dist.first >= 0;
}
if (_M_is_begin() || __rhs._M_is_end())
return true;
else if (_M_is_end() || __rhs._M_is_begin())
return false;
return true;
}
template<typename _Iterator, typename _Sequence>
void
_Safe_iterator<_Iterator, _Sequence>::
_M_invalidate()
{
typedef typename _Sequence::iterator iterator;
typedef typename _Sequence::const_iterator const_iterator;
if (!this->_M_singular())
{
for (_Safe_iterator_base* iter = _M_sequence->_M_iterators; iter; )
{
iterator* __victim = static_cast<iterator*>(iter);
iter = iter->_M_next;
if (this->base() == __victim->base())
__victim->_M_version = 0;
}
for (_Safe_iterator_base* iter = _M_sequence->_M_const_iterators;
iter; )
{
const_iterator* __victim = static_cast<const_iterator*>(iter);
iter = iter->_M_next;
if (this->base() == __victim->base())
__victim->_M_version = 0;
}
_M_version = 0;
}
}
} }
#endif