// Debugging unordered_map/unordered_multimap implementation -*- C++ -*-
-// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
#else
# include <unordered_map>
-#include <debug/safe_sequence.h>
+#include <debug/safe_unordered_container.h>
#include <debug/safe_iterator.h>
+#include <debug/safe_local_iterator.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
typename _Alloc = std::allocator<_Key> >
class unordered_map
: public _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>,
- public __gnu_debug::_Safe_sequence<unordered_map<_Key, _Tp, _Hash,
- _Pred, _Alloc> >
+ public __gnu_debug::_Safe_unordered_container<unordered_map<_Key, _Tp,
+ _Hash, _Pred, _Alloc> >
{
typedef _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash,
_Pred, _Alloc> _Base;
- typedef __gnu_debug::_Safe_sequence<unordered_map> _Safe_base;
+ typedef __gnu_debug::_Safe_unordered_container<unordered_map> _Safe_base;
typedef typename _Base::const_iterator _Base_const_iterator;
typedef typename _Base::iterator _Base_iterator;
- typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal;
+ typedef typename _Base::const_local_iterator _Base_const_local_iterator;
+ typedef typename _Base::local_iterator _Base_local_iterator;
public:
typedef typename _Base::size_type size_type;
unordered_map> iterator;
typedef __gnu_debug::_Safe_iterator<_Base_const_iterator,
unordered_map> const_iterator;
+ typedef __gnu_debug::_Safe_local_iterator<_Base_local_iterator,
+ unordered_map> local_iterator;
+ typedef __gnu_debug::_Safe_local_iterator<_Base_const_local_iterator,
+ unordered_map> const_local_iterator;
explicit
unordered_map(size_type __n = 10,
: _Base(__n, __hf, __eql, __a) { }
template<typename _InputIterator>
- unordered_map(_InputIterator __first, _InputIterator __last,
+ unordered_map(_InputIterator __first, _InputIterator __last,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
: _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
__last)),
__gnu_debug::__base(__last), __n,
- __hf, __eql, __a), _Safe_base() { }
+ __hf, __eql, __a) { }
- unordered_map(const unordered_map& __x)
- : _Base(__x), _Safe_base() { }
+ unordered_map(const unordered_map& __x) = default;
unordered_map(const _Base& __x)
- : _Base(__x), _Safe_base() { }
+ : _Base(__x) { }
- unordered_map(unordered_map&& __x)
- : _Base(std::move(__x)), _Safe_base() { }
+ unordered_map(unordered_map&& __x) = default;
unordered_map(initializer_list<value_type> __l,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
- : _Base(__l, __n, __hf, __eql, __a), _Safe_base() { }
+ : _Base(__l, __n, __hf, __eql, __a) { }
+
+ ~unordered_map() noexcept { }
unordered_map&
operator=(const unordered_map& __x)
}
void
- clear()
+ clear() noexcept
{
_Base::clear();
this->_M_invalidate_all();
}
iterator
- begin()
+ begin() noexcept
{ return iterator(_Base::begin(), this); }
const_iterator
- begin() const
+ begin() const noexcept
{ return const_iterator(_Base::begin(), this); }
iterator
- end()
+ end() noexcept
{ return iterator(_Base::end(), this); }
const_iterator
- end() const
+ end() const noexcept
{ return const_iterator(_Base::end(), this); }
const_iterator
- cbegin() const
+ cbegin() const noexcept
{ return const_iterator(_Base::begin(), this); }
const_iterator
- cend() const
+ cend() const noexcept
{ return const_iterator(_Base::end(), this); }
// local versions
- using _Base::begin;
- using _Base::end;
- using _Base::cbegin;
- using _Base::cend;
+ local_iterator
+ begin(size_type __b)
+ { return local_iterator(_Base::begin(__b), __b, this); }
+
+ local_iterator
+ end(size_type __b)
+ { return local_iterator(_Base::end(__b), __b, this); }
+
+ const_local_iterator
+ begin(size_type __b) const
+ { return const_local_iterator(_Base::begin(__b), __b, this); }
+
+ const_local_iterator
+ end(size_type __b) const
+ { return const_local_iterator(_Base::end(__b), __b, this); }
+
+ const_local_iterator
+ cbegin(size_type __b) const
+ { return const_local_iterator(_Base::cbegin(__b), __b, this); }
+
+ const_local_iterator
+ cend(size_type __b) const
+ { return const_local_iterator(_Base::cend(__b), __b, this); }
+
+ template<typename... _Args>
+ std::pair<iterator, bool>
+ emplace(_Args&&... __args)
+ {
+ size_type __bucket_count = this->bucket_count();
+ std::pair<_Base_iterator, bool> __res
+ = _Base::emplace(std::forward<_Args>(__args)...);
+ _M_check_rehashed(__bucket_count);
+ return std::make_pair(iterator(__res.first, this), __res.second);
+ }
+
+ template<typename... _Args>
+ iterator
+ emplace_hint(const_iterator __hint, _Args&&... __args)
+ {
+ __glibcxx_check_insert(__hint);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it = _Base::emplace_hint(__hint.base(),
+ std::forward<_Args>(__args)...);
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
+ }
std::pair<iterator, bool>
insert(const value_type& __obj)
{
+ size_type __bucket_count = this->bucket_count();
std::pair<_Base_iterator, bool> __res = _Base::insert(__obj);
+ _M_check_rehashed(__bucket_count);
return std::make_pair(iterator(__res.first, this), __res.second);
}
insert(const_iterator __hint, const value_type& __obj)
{
__glibcxx_check_insert(__hint);
- return iterator(_Base::insert(__hint.base(), __obj), this);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it = _Base::insert(__hint.base(), __obj);
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
}
template<typename _Pair, typename = typename
- std::enable_if<std::is_convertible<_Pair,
- value_type>::value>::type>
- std::pair<iterator, bool>
- insert(_Pair&& __obj)
- {
+ std::enable_if<std::is_constructible<value_type,
+ _Pair&&>::value>::type>
+ std::pair<iterator, bool>
+ insert(_Pair&& __obj)
+ {
+ size_type __bucket_count = this->bucket_count();
std::pair<_Base_iterator, bool> __res =
_Base::insert(std::forward<_Pair>(__obj));
+ _M_check_rehashed(__bucket_count);
return std::make_pair(iterator(__res.first, this), __res.second);
}
template<typename _Pair, typename = typename
- std::enable_if<std::is_convertible<_Pair,
- value_type>::value>::type>
- iterator
- insert(const_iterator __hint, _Pair&& __obj)
- {
+ std::enable_if<std::is_constructible<value_type,
+ _Pair&&>::value>::type>
+ iterator
+ insert(const_iterator __hint, _Pair&& __obj)
+ {
__glibcxx_check_insert(__hint);
- return iterator(_Base::insert(__hint.base(),
- std::forward<_Pair>(__obj)),
- this);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it =
+ _Base::insert(__hint.base(), std::forward<_Pair>(__obj));
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
}
void
insert(std::initializer_list<value_type> __l)
- { _Base::insert(__l); }
+ {
+ size_type __bucket_count = this->bucket_count();
+ _Base::insert(__l);
+ _M_check_rehashed(__bucket_count);
+ }
template<typename _InputIterator>
- void
- insert(_InputIterator __first, _InputIterator __last)
- {
+ void
+ insert(_InputIterator __first, _InputIterator __last)
+ {
__glibcxx_check_valid_range(__first, __last);
+ size_type __bucket_count = this->bucket_count();
_Base::insert(__gnu_debug::__base(__first),
__gnu_debug::__base(__last));
+ _M_check_rehashed(__bucket_count);
}
iterator
_Base_iterator __victim(_Base::find(__key));
if (__victim != _Base::end())
{
- this->_M_invalidate_if(_Equal(__victim));
+ this->_M_invalidate_if([__victim](_Base_const_iterator __it)
+ { return __it == __victim; });
+ _Base_local_iterator __local_victim = _S_to_local(__victim);
+ this->_M_invalidate_local_if(
+ [__local_victim](_Base_const_local_iterator __it)
+ { return __it == __local_victim; });
+ size_type __bucket_count = this->bucket_count();
_Base::erase(__victim);
+ _M_check_rehashed(__bucket_count);
__ret = 1;
}
return __ret;
erase(const_iterator __it)
{
__glibcxx_check_erase(__it);
- this->_M_invalidate_if(_Equal(__it.base()));
- return iterator(_Base::erase(__it.base()), this);
+ _Base_const_iterator __victim = __it.base();
+ this->_M_invalidate_if([__victim](_Base_const_iterator __it)
+ { return __it == __victim; });
+ _Base_const_local_iterator __local_victim = _S_to_local(__victim);
+ this->_M_invalidate_local_if(
+ [__local_victim](_Base_const_local_iterator __it)
+ { return __it == __local_victim; });
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __next = _Base::erase(__it.base());
+ _M_check_rehashed(__bucket_count);
+ return iterator(__next, this);
}
iterator
+ erase(iterator __it)
+ { return erase(const_iterator(__it)); }
+
+ iterator
erase(const_iterator __first, const_iterator __last)
{
__glibcxx_check_erase_range(__first, __last);
_M_message(__gnu_debug::__msg_valid_range)
._M_iterator(__first, "first")
._M_iterator(__last, "last"));
- this->_M_invalidate_if(_Equal(__tmp));
+ this->_M_invalidate_if([__tmp](_Base_const_iterator __it)
+ { return __it == __tmp; });
+ _Base_const_local_iterator __local_tmp = _S_to_local(__tmp);
+ this->_M_invalidate_local_if(
+ [__local_tmp](_Base_const_local_iterator __it)
+ { return __it == __local_tmp; });
}
- return iterator(_Base::erase(__first.base(),
- __last.base()), this);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __next = _Base::erase(__first.base(), __last.base());
+ _M_check_rehashed(__bucket_count);
+ return iterator(__next, this);
}
_Base&
- _M_base() { return *this; }
+ _M_base() noexcept { return *this; }
const _Base&
- _M_base() const { return *this; }
+ _M_base() const noexcept { return *this; }
private:
void
+ _M_invalidate_locals()
+ {
+ _Base_local_iterator __local_end = _Base::end(0);
+ this->_M_invalidate_local_if(
+ [__local_end](_Base_const_local_iterator __it)
+ { return __it != __local_end; });
+ }
+
+ void
_M_invalidate_all()
{
- typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
- this->_M_invalidate_if(_Not_equal(_Base::end()));
+ _Base_iterator __end = _Base::end();
+ this->_M_invalidate_if([__end](_Base_const_iterator __it)
+ { return __it != __end; });
+ _M_invalidate_locals();
+ }
+
+ void
+ _M_check_rehashed(size_type __prev_count)
+ {
+ if (__prev_count != this->bucket_count())
+ _M_invalidate_locals();
+ }
+
+ static _Base_local_iterator
+ _S_to_local(_Base_iterator __it)
+ {
+ // The returned local iterator will not be incremented so we don't
+ // need to compute __it's node bucket
+ return _Base_local_iterator(__it._M_cur, 0, 0);
+ }
+
+ static _Base_const_local_iterator
+ _S_to_local(_Base_const_iterator __it)
+ {
+ // The returned local iterator will not be incremented so we don't
+ // need to compute __it's node bucket
+ return _Base_const_local_iterator(__it._M_cur, 0, 0);
}
};
class unordered_multimap
: public _GLIBCXX_STD_C::unordered_multimap<_Key, _Tp, _Hash,
_Pred, _Alloc>,
- public __gnu_debug::_Safe_sequence<unordered_multimap<_Key, _Tp, _Hash,
- _Pred, _Alloc> >
+ public __gnu_debug::_Safe_unordered_container<unordered_multimap<_Key,
+ _Tp, _Hash, _Pred, _Alloc> >
{
typedef _GLIBCXX_STD_C::unordered_multimap<_Key, _Tp, _Hash,
_Pred, _Alloc> _Base;
- typedef __gnu_debug::_Safe_sequence<unordered_multimap> _Safe_base;
+ typedef __gnu_debug::_Safe_unordered_container<unordered_multimap>
+ _Safe_base;
typedef typename _Base::const_iterator _Base_const_iterator;
typedef typename _Base::iterator _Base_iterator;
- typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal;
+ typedef typename _Base::const_local_iterator _Base_const_local_iterator;
+ typedef typename _Base::local_iterator _Base_local_iterator;
public:
typedef typename _Base::size_type size_type;
unordered_multimap> iterator;
typedef __gnu_debug::_Safe_iterator<_Base_const_iterator,
unordered_multimap> const_iterator;
+ typedef __gnu_debug::_Safe_local_iterator<
+ _Base_local_iterator, unordered_multimap> local_iterator;
+ typedef __gnu_debug::_Safe_local_iterator<
+ _Base_const_local_iterator, unordered_multimap> const_local_iterator;
explicit
unordered_multimap(size_type __n = 10,
: _Base(__n, __hf, __eql, __a) { }
template<typename _InputIterator>
- unordered_multimap(_InputIterator __first, _InputIterator __last,
+ unordered_multimap(_InputIterator __first, _InputIterator __last,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
: _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
__last)),
__gnu_debug::__base(__last), __n,
- __hf, __eql, __a), _Safe_base() { }
+ __hf, __eql, __a) { }
- unordered_multimap(const unordered_multimap& __x)
- : _Base(__x), _Safe_base() { }
+ unordered_multimap(const unordered_multimap& __x) = default;
unordered_multimap(const _Base& __x)
- : _Base(__x), _Safe_base() { }
+ : _Base(__x) { }
- unordered_multimap(unordered_multimap&& __x)
- : _Base(std::move(__x)), _Safe_base() { }
+ unordered_multimap(unordered_multimap&& __x) = default;
unordered_multimap(initializer_list<value_type> __l,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
- : _Base(__l, __n, __hf, __eql, __a), _Safe_base() { }
+ : _Base(__l, __n, __hf, __eql, __a) { }
+
+ ~unordered_multimap() noexcept { }
unordered_multimap&
operator=(const unordered_multimap& __x)
}
void
- clear()
+ clear() noexcept
{
_Base::clear();
this->_M_invalidate_all();
}
iterator
- begin()
+ begin() noexcept
{ return iterator(_Base::begin(), this); }
const_iterator
- begin() const
+ begin() const noexcept
{ return const_iterator(_Base::begin(), this); }
iterator
- end()
+ end() noexcept
{ return iterator(_Base::end(), this); }
const_iterator
- end() const
+ end() const noexcept
{ return const_iterator(_Base::end(), this); }
const_iterator
- cbegin() const
+ cbegin() const noexcept
{ return const_iterator(_Base::begin(), this); }
const_iterator
- cend() const
+ cend() const noexcept
{ return const_iterator(_Base::end(), this); }
// local versions
- using _Base::begin;
- using _Base::end;
- using _Base::cbegin;
- using _Base::cend;
+ local_iterator
+ begin(size_type __b)
+ { return local_iterator(_Base::begin(__b), __b, this); }
+
+ local_iterator
+ end(size_type __b)
+ { return local_iterator(_Base::end(__b), __b, this); }
+
+ const_local_iterator
+ begin(size_type __b) const
+ { return const_local_iterator(_Base::begin(__b), __b, this); }
+
+ const_local_iterator
+ end(size_type __b) const
+ { return const_local_iterator(_Base::end(__b), __b, this); }
+
+ const_local_iterator
+ cbegin(size_type __b) const
+ { return const_local_iterator(_Base::cbegin(__b), __b, this); }
+
+ const_local_iterator
+ cend(size_type __b) const
+ { return const_local_iterator(_Base::cend(__b), __b, this); }
+
+ template<typename... _Args>
+ iterator
+ emplace(_Args&&... __args)
+ {
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it
+ = _Base::emplace(std::forward<_Args>(__args)...);
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
+ }
+
+ template<typename... _Args>
+ iterator
+ emplace_hint(const_iterator __hint, _Args&&... __args)
+ {
+ __glibcxx_check_insert(__hint);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it = _Base::emplace_hint(__hint.base(),
+ std::forward<_Args>(__args)...);
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
+ }
iterator
insert(const value_type& __obj)
- { return iterator(_Base::insert(__obj), this); }
+ {
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it = _Base::insert(__obj);
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
+ }
iterator
insert(const_iterator __hint, const value_type& __obj)
{
__glibcxx_check_insert(__hint);
- return iterator(_Base::insert(__hint.base(), __obj), this);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it = _Base::insert(__hint.base(), __obj);
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
}
template<typename _Pair, typename = typename
- std::enable_if<std::is_convertible<_Pair,
- value_type>::value>::type>
- iterator
- insert(_Pair&& __obj)
- { return iterator(_Base::insert(std::forward<_Pair>(__obj)), this); }
+ std::enable_if<std::is_constructible<value_type,
+ _Pair&&>::value>::type>
+ iterator
+ insert(_Pair&& __obj)
+ {
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it = _Base::insert(std::forward<_Pair>(__obj));
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
+ }
template<typename _Pair, typename = typename
- std::enable_if<std::is_convertible<_Pair,
- value_type>::value>::type>
+ std::enable_if<std::is_constructible<value_type,
+ _Pair&&>::value>::type>
iterator
insert(const_iterator __hint, _Pair&& __obj)
{
__glibcxx_check_insert(__hint);
- return iterator(_Base::insert(__hint.base(),
- std::forward<_Pair>(__obj)),
- this);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __it =
+ _Base::insert(__hint.base(), std::forward<_Pair>(__obj));
+ _M_check_rehashed(__bucket_count);
+ return iterator(__it, this);
}
void
{ _Base::insert(__l); }
template<typename _InputIterator>
- void
- insert(_InputIterator __first, _InputIterator __last)
- {
+ void
+ insert(_InputIterator __first, _InputIterator __last)
+ {
__glibcxx_check_valid_range(__first, __last);
+ size_type __bucket_count = this->bucket_count();
_Base::insert(__gnu_debug::__base(__first),
__gnu_debug::__base(__last));
+ _M_check_rehashed(__bucket_count);
}
iterator
erase(const key_type& __key)
{
size_type __ret(0);
+ size_type __bucket_count = this->bucket_count();
std::pair<_Base_iterator, _Base_iterator> __pair =
_Base::equal_range(__key);
for (_Base_iterator __victim = __pair.first; __victim != __pair.second;)
{
- this->_M_invalidate_if(_Equal(__victim));
+ this->_M_invalidate_if([__victim](_Base_const_iterator __it)
+ { return __it == __victim; });
+ _Base_local_iterator __local_victim = _S_to_local(__victim);
+ this->_M_invalidate_local_if(
+ [__local_victim](_Base_const_local_iterator __it)
+ { return __it == __local_victim; });
_Base::erase(__victim++);
++__ret;
}
+ _M_check_rehashed(__bucket_count);
return __ret;
}
erase(const_iterator __it)
{
__glibcxx_check_erase(__it);
- this->_M_invalidate_if(_Equal(__it.base()));
- return iterator(_Base::erase(__it.base()), this);
+ _Base_const_iterator __victim = __it.base();
+ this->_M_invalidate_if([__victim](_Base_const_iterator __it)
+ { return __it == __victim; });
+ _Base_const_local_iterator __local_victim = _S_to_local(__victim);
+ this->_M_invalidate_local_if(
+ [__local_victim](_Base_const_local_iterator __it)
+ { return __it == __local_victim; });
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __next = _Base::erase(__it.base());
+ _M_check_rehashed(__bucket_count);
+ return iterator(__next, this);
}
iterator
+ erase(iterator __it)
+ { return erase(const_iterator(__it)); }
+
+ iterator
erase(const_iterator __first, const_iterator __last)
{
__glibcxx_check_erase_range(__first, __last);
_M_message(__gnu_debug::__msg_valid_range)
._M_iterator(__first, "first")
._M_iterator(__last, "last"));
- this->_M_invalidate_if(_Equal(__tmp));
+ this->_M_invalidate_if([__tmp](_Base_const_iterator __it)
+ { return __it == __tmp; });
+ _Base_const_local_iterator __local_tmp = _S_to_local(__tmp);
+ this->_M_invalidate_local_if(
+ [__local_tmp](_Base_const_local_iterator __it)
+ { return __it == __local_tmp; });
}
- return iterator(_Base::erase(__first.base(),
- __last.base()), this);
+ size_type __bucket_count = this->bucket_count();
+ _Base_iterator __next = _Base::erase(__first.base(), __last.base());
+ _M_check_rehashed(__bucket_count);
+ return iterator(__next, this);
}
_Base&
- _M_base() { return *this; }
+ _M_base() noexcept { return *this; }
const _Base&
- _M_base() const { return *this; }
+ _M_base() const noexcept { return *this; }
private:
void
+ _M_invalidate_locals()
+ {
+ _Base_local_iterator __local_end = _Base::end(0);
+ this->_M_invalidate_local_if(
+ [__local_end](_Base_const_local_iterator __it)
+ { return __it != __local_end; });
+ }
+
+ void
_M_invalidate_all()
{
- typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
- this->_M_invalidate_if(_Not_equal(_Base::end()));
+ _Base_iterator __end = _Base::end();
+ this->_M_invalidate_if([__end](_Base_const_iterator __it)
+ { return __it != __end; });
+ _M_invalidate_locals();
+ }
+
+ void
+ _M_check_rehashed(size_type __prev_count)
+ {
+ if (__prev_count != this->bucket_count())
+ _M_invalidate_locals();
+ }
+
+ static _Base_local_iterator
+ _S_to_local(_Base_iterator __it)
+ {
+ // The returned local iterator will not be incremented so we don't
+ // need to compute __it's node bucket
+ return _Base_local_iterator(__it._M_cur, 0, 0);
+ }
+
+ static _Base_const_local_iterator
+ _S_to_local(_Base_const_iterator __it)
+ {
+ // The returned local iterator will not be incremented so we don't
+ // need to compute __it's node bucket
+ return _Base_const_local_iterator(__it._M_cur, 0, 0);
}
};