__gnu_debug::_Safe_iterator< _Iterator, _Sequence > Class Template Reference

Inheritance diagram for __gnu_debug::_Safe_iterator< _Iterator, _Sequence >:

Public Types
typedef _Traits::difference_type	difference_type
typedef _Traits::iterator_category	iterator_category
typedef _Iterator	iterator_type
typedef _Traits::pointer	pointer
typedef _Traits::reference	reference
typedef _Traits::value_type	value_type

Public Member Functions
	_Safe_iterator ()
	_Safe_iterator (const _Iterator &__i, const _Sequence *__seq)
	_Safe_iterator (const _Safe_iterator &__x)
	_Safe_iterator (_Safe_iterator &&__x)
template<typename _MutableIterator >
	_Safe_iterator (const _Safe_iterator< _MutableIterator, typename __gnu_cxx::__enable_if<(std::__are_same< _MutableIterator, typename _Sequence::iterator::iterator_type >::__value), _Sequence >::__type > &__x)
void	_M_attach (_Safe_sequence_base *__seq, bool __constant)
void	_M_attach (_Safe_sequence_base *__seq)
void	_M_attach_single (_Safe_sequence_base *__seq, bool __constant) throw ()
void	_M_attach_single (_Safe_sequence_base *__seq)
bool	_M_attached_to (const _Safe_sequence_base *__seq) const
bool	_M_before_dereferenceable () const
bool	_M_can_advance (const difference_type &__n) const
bool	_M_can_compare (const _Safe_iterator_base &__x) const throw ()
bool	_M_decrementable () const
bool	_M_dereferenceable () const
void	_M_detach ()
void	_M_detach_single () throw ()
const _Sequence *	_M_get_sequence () const
bool	_M_incrementable () const
void	_M_invalidate ()
bool	_M_is_before_begin () const
bool	_M_is_begin () const
bool	_M_is_end () const
void	_M_reset () throw ()
bool	_M_singular () const throw ()
void	_M_unlink () throw ()
template<typename _Other >
bool	_M_valid_range (const _Safe_iterator< _Other, _Sequence > &__rhs) const
_Iterator	base () const
	operator _Iterator () const
reference	operator* () const
_Safe_iterator	operator+ (const difference_type &__n) const
_Safe_iterator &	operator++ ()
_Safe_iterator	operator++ (int)
_Safe_iterator &	operator+= (const difference_type &__n)
_Safe_iterator	operator- (const difference_type &__n) const
_Safe_iterator &	operator-- ()
_Safe_iterator	operator-- (int)
_Safe_iterator &	operator-= (const difference_type &__n)
pointer	operator-> () const
_Safe_iterator &	operator= (const _Safe_iterator &__x)
_Safe_iterator &	operator= (_Safe_iterator &&__x)
reference	operator[] (const difference_type &__n) const

Static Public Member Functions
template<typename _Iterator1 , typename _Iterator2 >
static std::pair < difference_type, _Distance_precision >	_M_get_distance (const _Iterator1 &__lhs, const _Iterator2 &__rhs)
template<typename _Iterator1 , typename _Iterator2 >
static std::pair < difference_type, _Distance_precision >	_M_get_distance (const _Iterator1 &__lhs, const _Iterator2 &__rhs, std::random_access_iterator_tag)
template<typename _Iterator1 , typename _Iterator2 >
static std::pair < difference_type, _Distance_precision >	_M_get_distance (const _Iterator1 &__lhs, const _Iterator2 &__rhs, std::forward_iterator_tag)

Public Attributes
_Safe_iterator_base *	_M_next
_Safe_iterator_base *	_M_prior
_Safe_sequence_base *	_M_sequence
unsigned int	_M_version

Protected Member Functions
__gnu_cxx::__mutex &	_M_get_mutex () throw ()

Detailed Description

template<typename _Iterator, typename _Sequence>
class __gnu_debug::_Safe_iterator< _Iterator, _Sequence >

Safe iterator wrapper.

The class template _Safe_iterator is a wrapper around an iterator that tracks the iterator's movement among sequences and checks that operations performed on the "safe" iterator are legal. In additional to the basic iterator operations (which are validated, and then passed to the underlying iterator), _Safe_iterator has member functions for iterator invalidation, attaching/detaching the iterator from sequences, and querying the iterator's state.

Definition at line 47 of file formatter.h.

Constructor & Destructor Documentation

template<typename _Iterator, typename _Sequence>

__gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator ( )

inline

Postcondition

the iterator is singular and unattached

Definition at line 113 of file safe_iterator.h.

template<typename _Iterator, typename _Sequence>

__gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator ( const _Iterator &  __i, const _Sequence *  __seq  )

inline

Safe iterator construction from an unsafe iterator and its sequence.

Precondition

seq is not NULL

Postcondition

this is not singular

Definition at line 122 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator_base::_M_singular().

template<typename _Iterator, typename _Sequence>

__gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator ( const _Safe_iterator< _Iterator, _Sequence > &  __x )

inline

Copy construction.

Definition at line 133 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY.

template<typename _Iterator, typename _Sequence>

__gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator ( _Safe_iterator< _Iterator, _Sequence > &&  __x )

inline

Move construction.

Postcondition

__x is singular and unattached

Definition at line 150 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach().

template<typename _Iterator, typename _Sequence>

template<typename _MutableIterator >

__gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator ( const _Safe_iterator< _MutableIterator, typename __gnu_cxx::__enable_if<(std::__are_same< _MutableIterator, typename _Sequence::iterator::iterator_type >::__value), _Sequence >::__type > &  __x )

inline

Converting constructor from a mutable iterator to a constant iterator.

Definition at line 168 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY.

Member Function Documentation

void __gnu_debug::_Safe_iterator_base::_M_attach ( _Safe_sequence_base *  __seq, bool  __constant  )

inherited

Attaches this iterator to the given sequence, detaching it from whatever sequence it was attached to originally. If the new sequence is the NULL pointer, the iterator is left unattached.

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach(), and __gnu_debug::_Safe_iterator_base::_Safe_iterator_base().

template<typename _Iterator, typename _Sequence>

void __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach ( _Safe_sequence_base *  __seq )

inline

Attach iterator to the given sequence.

Definition at line 374 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator_base::_M_attach().

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator=().

void __gnu_debug::_Safe_iterator_base::_M_attach_single ( _Safe_sequence_base *  __seq, bool  __constant  ) throw ()

inherited

Likewise, but not thread-safe.

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach_single().

template<typename _Iterator, typename _Sequence>

void __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach_single ( _Safe_sequence_base *  __seq )

inline

Likewise, but not thread-safe.

Definition at line 381 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator_base::_M_attach_single().

bool __gnu_debug::_Safe_iterator_base::_M_attached_to ( const _Safe_sequence_base *  __seq ) const

inlineinherited

Determines if we are attached to the given sequence.

Definition at line 130 of file safe_base.h.

References __gnu_debug::_Safe_iterator_base::_M_sequence.

template<typename _Iterator, typename _Sequence>

bool __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_before_dereferenceable ( ) const

inline

Is the iterator before a dereferenceable one?

Definition at line 393 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_incrementable().

bool __gnu_debug::_Safe_iterator_base::_M_can_compare ( const _Safe_iterator_base &  __x ) const throw ()

inherited

Can we compare this iterator to the given iterator @p __x?

Returns true if both iterators are nonsingular and reference the same sequence.

template<typename _Iterator, typename _Sequence>

bool __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable ( ) const

inline

Is the iterator dereferenceable?

Definition at line 388 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_before_begin(), __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_end(), and __gnu_debug::_Safe_iterator_base::_M_singular().

Referenced by __gnu_debug::__check_dereferenceable(), __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_before_dereferenceable(), __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator*(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator->().

void __gnu_debug::_Safe_iterator_base::_M_detach ( )

inherited

Detach the iterator for whatever sequence it is attached to, if any.

void __gnu_debug::_Safe_iterator_base::_M_detach_single ( ) throw ()

inherited

Likewise, but not thread-safe.

Referenced by __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if().

template<typename _Iterator, typename _Sequence>

template<typename _Iterator1 , typename _Iterator2 >

static std::pair<difference_type, _Distance_precision> __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_get_distance ( const _Iterator1 &  __lhs, const _Iterator2 &  __rhs  )

inlinestatic

Determine the distance between two iterators with some known precision.

Definition at line 427 of file safe_iterator.h.

__gnu_cxx::__mutex& __gnu_debug::_Safe_iterator_base::_M_get_mutex ( ) throw ()

protectedinherited

For use in _Safe_iterator.

template<typename _Iterator, typename _Sequence>

bool __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_incrementable ( ) const

inline

Is the iterator incrementable?

Definition at line 401 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_end(), and __gnu_debug::_Safe_iterator_base::_M_singular().

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_before_dereferenceable(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator++().

void __gnu_debug::_Safe_iterator_base::_M_invalidate ( )

inlineinherited

Invalidate the iterator, making it singular.

Definition at line 143 of file safe_base.h.

References __gnu_debug::_Safe_iterator_base::_M_version.

template<typename _Iterator, typename _Sequence>

bool __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_before_begin ( ) const

inline

Is this iterator equal to the sequence's before_begin() iterator if any?

Definition at line 456 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::base().

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable().

template<typename _Iterator, typename _Sequence>

bool __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_begin ( ) const

inline

Is this iterator equal to the sequence's begin() iterator?

Definition at line 447 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::base().

template<typename _Iterator, typename _Sequence>

bool __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_end ( ) const

inline

Is this iterator equal to the sequence's end() iterator?

Definition at line 451 of file safe_iterator.h.

References __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::base().

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_incrementable().

void __gnu_debug::_Safe_iterator_base::_M_reset ( ) throw ()

inherited

Reset all member variables

bool __gnu_debug::_Safe_iterator_base::_M_singular ( ) const throw ()

inherited

Is this iterator singular?

Referenced by __gnu_debug::__check_singular(), __gnu_debug::__check_singular_aux(), __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable(), __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_incrementable(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_Safe_iterator().

void __gnu_debug::_Safe_iterator_base::_M_unlink ( ) throw ()

inlineinherited

Unlink itself

Definition at line 152 of file safe_base.h.

References __gnu_debug::_Safe_iterator_base::_M_next, and __gnu_debug::_Safe_iterator_base::_M_prior.

template<typename _Iterator, typename _Sequence>

_Iterator __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::base ( ) const

inline

Return the underlying iterator.

Definition at line 364 of file safe_iterator.h.

Referenced by __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_before_begin(), __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_begin(), and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_is_end().

template<typename _Iterator, typename _Sequence>

__gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator _Iterator ( ) const

inline

Conversion to underlying non-debug iterator to allow better interaction with non-debug containers.

Definition at line 370 of file safe_iterator.h.

template<typename _Iterator, typename _Sequence>

reference __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator* ( ) const

inline

Iterator dereference.

Precondition

iterator is dereferenceable

Definition at line 228 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable().

template<typename _Iterator, typename _Sequence>

_Safe_iterator& __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator++ ( )

inline

Iterator preincrement.

Precondition

iterator is incrementable

Definition at line 257 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_incrementable().

template<typename _Iterator, typename _Sequence>

_Safe_iterator __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator++ ( int  )

inline

Iterator postincrement.

Precondition

iterator is incrementable

Definition at line 271 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_incrementable().

template<typename _Iterator, typename _Sequence>

_Safe_iterator& __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator-- ( )

inline

Iterator predecrement.

Precondition

iterator is decrementable

Definition at line 287 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY.

template<typename _Iterator, typename _Sequence>

_Safe_iterator __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator-- ( int  )

inline

Iterator postdecrement.

Precondition

iterator is decrementable

Definition at line 301 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY.

template<typename _Iterator, typename _Sequence>

pointer __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator-> ( ) const

inline

Iterator dereference.

Precondition

iterator is dereferenceable

Todo:

Make this correct w.r.t. iterators that return proxies

Use addressof() instead of & operator

Definition at line 243 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_dereferenceable().

template<typename _Iterator, typename _Sequence>

_Safe_iterator& __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator= ( const _Safe_iterator< _Iterator, _Sequence > &  __x )

inline

Copy assignment.

Definition at line 188 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach().

template<typename _Iterator, typename _Sequence>

_Safe_iterator& __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::operator= ( _Safe_iterator< _Iterator, _Sequence > &&  __x )

inline

Move assignment.

Postcondition

__x is singular and unattached

Definition at line 208 of file safe_iterator.h.

References _GLIBCXX_DEBUG_VERIFY, and __gnu_debug::_Safe_iterator< _Iterator, _Sequence >::_M_attach().

Member Data Documentation

_Safe_iterator_base* __gnu_debug::_Safe_iterator_base::_M_next

inherited

Pointer to the next iterator in the sequence's list of

iterators. Only valid when _M_sequence != NULL.

Definition at line 73 of file safe_base.h.

Referenced by __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if(), and __gnu_debug::_Safe_iterator_base::_M_unlink().

_Safe_iterator_base* __gnu_debug::_Safe_iterator_base::_M_prior

inherited

Pointer to the previous iterator in the sequence's list of

iterators. Only valid when _M_sequence != NULL.

Definition at line 69 of file safe_base.h.

Referenced by __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if(), and __gnu_debug::_Safe_iterator_base::_M_unlink().

_Safe_sequence_base* __gnu_debug::_Safe_iterator_base::_M_sequence

inherited

The sequence this iterator references; may be NULL to indicate

a singular iterator.

Definition at line 56 of file safe_base.h.

Referenced by __gnu_debug::_Safe_iterator_base::_M_attached_to(), __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if(), and __gnu_debug::_Safe_iterator_base::_Safe_iterator_base().

unsigned int __gnu_debug::_Safe_iterator_base::_M_version

inherited

The version number of this iterator. The sentinel value 0 is used to indicate an invalidated iterator (i.e., one that is singular because of an operation on the container). This version number must equal the version number in the sequence referenced by _M_sequence for the iterator to be non-singular.

Definition at line 65 of file safe_base.h.

Referenced by __gnu_debug::_Safe_iterator_base::_M_invalidate().

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The documentation for this class was generated from the following files:

• formatter.h
• safe_iterator.h
• safe_iterator.tcc