--- /dev/null
+// Debugging unordered_map/unordered_multimap implementation -*- C++ -*-
+
+// 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
+// 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 and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file debug/unordered_map
+ * This file is a GNU debug extension to the Standard C++ Library.
+ */
+
+#ifndef _GLIBCXX_DEBUG_UNORDERED_MAP
+#define _GLIBCXX_DEBUG_UNORDERED_MAP 1
+
+#ifndef __GXX_EXPERIMENTAL_CXX0X__
+# include <bits/c++0x_warning.h>
+#else
+# include <unordered_map>
+
+#include <debug/safe_unordered_container.h>
+#include <debug/safe_iterator.h>
+#include <debug/safe_local_iterator.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace __debug
+{
+ /// Class std::unordered_map with safety/checking/debug instrumentation.
+ template<typename _Key, typename _Tp,
+ typename _Hash = std::hash<_Key>,
+ typename _Pred = std::equal_to<_Key>,
+ typename _Alloc = std::allocator<_Key> >
+ class unordered_map
+ : public _GLIBCXX_STD_C::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_unordered_container<unordered_map> _Safe_base;
+ typedef typename _Base::const_iterator _Base_const_iterator;
+ typedef typename _Base::iterator _Base_iterator;
+ 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;
+ typedef typename _Base::hasher hasher;
+ typedef typename _Base::key_equal key_equal;
+ typedef typename _Base::allocator_type allocator_type;
+
+ typedef typename _Base::key_type key_type;
+ typedef typename _Base::value_type value_type;
+
+ typedef __gnu_debug::_Safe_iterator<_Base_iterator,
+ 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,
+ const hasher& __hf = hasher(),
+ const key_equal& __eql = key_equal(),
+ const allocator_type& __a = allocator_type())
+ : _Base(__n, __hf, __eql, __a) { }
+
+ template<typename _InputIterator>
+ unordered_map(_InputIterator __first, _InputIterator __last,
+ size_type __n = 0,
+ const hasher& __hf = hasher(),
+ const key_equal& __eql = key_equal(),
+ const allocator_type& __a = allocator_type())
+ : _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
+ __last)),
+ __gnu_debug::__base(__last), __n,
+ __hf, __eql, __a) { }
+
+ unordered_map(const unordered_map& __x) = default;
+
+ unordered_map(const _Base& __x)
+ : _Base(__x) { }
+
+ 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) { }
+
+ ~unordered_map() noexcept { }
+
+ unordered_map&
+ operator=(const unordered_map& __x)
+ {
+ *static_cast<_Base*>(this) = __x;
+ this->_M_invalidate_all();
+ return *this;
+ }
+
+ unordered_map&
+ operator=(unordered_map&& __x)
+ {
+ // NB: DR 1204.
+ // NB: DR 675.
+ clear();
+ swap(__x);
+ return *this;
+ }
+
+ unordered_map&
+ operator=(initializer_list<value_type> __l)
+ {
+ this->clear();
+ this->insert(__l);
+ return *this;
+ }
+
+ void
+ swap(unordered_map& __x)
+ {
+ _Base::swap(__x);
+ _Safe_base::_M_swap(__x);
+ }
+
+ void
+ clear() noexcept
+ {
+ _Base::clear();
+ this->_M_invalidate_all();
+ }
+
+ iterator
+ begin() noexcept
+ { return iterator(_Base::begin(), this); }
+
+ const_iterator
+ begin() const noexcept
+ { return const_iterator(_Base::begin(), this); }
+
+ iterator
+ end() noexcept
+ { return iterator(_Base::end(), this); }
+
+ const_iterator
+ end() const noexcept
+ { return const_iterator(_Base::end(), this); }
+
+ const_iterator
+ cbegin() const noexcept
+ { return const_iterator(_Base::begin(), this); }
+
+ const_iterator
+ cend() const noexcept
+ { return const_iterator(_Base::end(), this); }
+
+ // local versions
+ 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);
+ }
+
+ iterator
+ insert(const_iterator __hint, const value_type& __obj)
+ {
+ __glibcxx_check_insert(__hint);
+ 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_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_constructible<value_type,
+ _Pair&&>::value>::type>
+ iterator
+ insert(const_iterator __hint, _Pair&& __obj)
+ {
+ __glibcxx_check_insert(__hint);
+ 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)
+ {
+ size_type __bucket_count = this->bucket_count();
+ _Base::insert(__l);
+ _M_check_rehashed(__bucket_count);
+ }
+
+ template<typename _InputIterator>
+ 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
+ find(const key_type& __key)
+ { return iterator(_Base::find(__key), this); }
+
+ const_iterator
+ find(const key_type& __key) const
+ { return const_iterator(_Base::find(__key), this); }
+
+ std::pair<iterator, iterator>
+ equal_range(const key_type& __key)
+ {
+ std::pair<_Base_iterator, _Base_iterator> __res =
+ _Base::equal_range(__key);
+ return std::make_pair(iterator(__res.first, this),
+ iterator(__res.second, this));
+ }
+
+ std::pair<const_iterator, const_iterator>
+ equal_range(const key_type& __key) const
+ {
+ std::pair<_Base_const_iterator, _Base_const_iterator> __res =
+ _Base::equal_range(__key);
+ return std::make_pair(const_iterator(__res.first, this),
+ const_iterator(__res.second, this));
+ }
+
+ size_type
+ erase(const key_type& __key)
+ {
+ size_type __ret(0);
+ _Base_iterator __victim(_Base::find(__key));
+ if (__victim != _Base::end())
+ {
+ 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;
+ }
+
+ iterator
+ erase(const_iterator __it)
+ {
+ __glibcxx_check_erase(__it);
+ _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);
+ for (_Base_const_iterator __tmp = __first.base();
+ __tmp != __last.base(); ++__tmp)
+ {
+ _GLIBCXX_DEBUG_VERIFY(__tmp != _Base::end(),
+ _M_message(__gnu_debug::__msg_valid_range)
+ ._M_iterator(__first, "first")
+ ._M_iterator(__last, "last"));
+ 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; });
+ }
+ 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() noexcept { return *this; }
+
+ const _Base&
+ _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()
+ {
+ _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);
+ }
+ };
+
+ template<typename _Key, typename _Tp, typename _Hash,
+ typename _Pred, typename _Alloc>
+ inline void
+ swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
+ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
+ { __x.swap(__y); }
+
+ template<typename _Key, typename _Tp, typename _Hash,
+ typename _Pred, typename _Alloc>
+ inline bool
+ operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
+ const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
+ { return __x._M_equal(__y); }
+
+ template<typename _Key, typename _Tp, typename _Hash,
+ typename _Pred, typename _Alloc>
+ inline bool
+ operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
+ const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
+ { return !(__x == __y); }
+
+
+ /// Class std::unordered_multimap with safety/checking/debug instrumentation.
+ template<typename _Key, typename _Tp,
+ typename _Hash = std::hash<_Key>,
+ typename _Pred = std::equal_to<_Key>,
+ typename _Alloc = std::allocator<_Key> >
+ class unordered_multimap
+ : public _GLIBCXX_STD_C::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_unordered_container<unordered_multimap>
+ _Safe_base;
+ typedef typename _Base::const_iterator _Base_const_iterator;
+ typedef typename _Base::iterator _Base_iterator;
+ 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;
+ typedef typename _Base::hasher hasher;
+ typedef typename _Base::key_equal key_equal;
+ typedef typename _Base::allocator_type allocator_type;
+
+ typedef typename _Base::key_type key_type;
+ typedef typename _Base::value_type value_type;
+
+ typedef __gnu_debug::_Safe_iterator<_Base_iterator,
+ 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,
+ const hasher& __hf = hasher(),
+ const key_equal& __eql = key_equal(),
+ const allocator_type& __a = allocator_type())
+ : _Base(__n, __hf, __eql, __a) { }
+
+ template<typename _InputIterator>
+ unordered_multimap(_InputIterator __first, _InputIterator __last,
+ size_type __n = 0,
+ const hasher& __hf = hasher(),
+ const key_equal& __eql = key_equal(),
+ const allocator_type& __a = allocator_type())
+ : _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
+ __last)),
+ __gnu_debug::__base(__last), __n,
+ __hf, __eql, __a) { }
+
+ unordered_multimap(const unordered_multimap& __x) = default;
+
+ unordered_multimap(const _Base& __x)
+ : _Base(__x) { }
+
+ 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) { }
+
+ ~unordered_multimap() noexcept { }
+
+ unordered_multimap&
+ operator=(const unordered_multimap& __x)
+ {
+ *static_cast<_Base*>(this) = __x;
+ this->_M_invalidate_all();
+ return *this;
+ }
+
+ unordered_multimap&
+ operator=(unordered_multimap&& __x)
+ {
+ // NB: DR 1204.
+ // NB: DR 675.
+ clear();
+ swap(__x);
+ return *this;
+ }
+
+ unordered_multimap&
+ operator=(initializer_list<value_type> __l)
+ {
+ this->clear();
+ this->insert(__l);
+ return *this;
+ }
+
+ void
+ swap(unordered_multimap& __x)
+ {
+ _Base::swap(__x);
+ _Safe_base::_M_swap(__x);
+ }
+
+ void
+ clear() noexcept
+ {
+ _Base::clear();
+ this->_M_invalidate_all();
+ }
+
+ iterator
+ begin() noexcept
+ { return iterator(_Base::begin(), this); }
+
+ const_iterator
+ begin() const noexcept
+ { return const_iterator(_Base::begin(), this); }
+
+ iterator
+ end() noexcept
+ { return iterator(_Base::end(), this); }
+
+ const_iterator
+ end() const noexcept
+ { return const_iterator(_Base::end(), this); }
+
+ const_iterator
+ cbegin() const noexcept
+ { return const_iterator(_Base::begin(), this); }
+
+ const_iterator
+ cend() const noexcept
+ { return const_iterator(_Base::end(), this); }
+
+ // local versions
+ 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)
+ {
+ 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);
+ 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_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_constructible<value_type,
+ _Pair&&>::value>::type>
+ iterator
+ insert(const_iterator __hint, _Pair&& __obj)
+ {
+ __glibcxx_check_insert(__hint);
+ 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); }
+
+ template<typename _InputIterator>
+ 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
+ find(const key_type& __key)
+ { return iterator(_Base::find(__key), this); }
+
+ const_iterator
+ find(const key_type& __key) const
+ { return const_iterator(_Base::find(__key), this); }
+
+ std::pair<iterator, iterator>
+ equal_range(const key_type& __key)
+ {
+ std::pair<_Base_iterator, _Base_iterator> __res =
+ _Base::equal_range(__key);
+ return std::make_pair(iterator(__res.first, this),
+ iterator(__res.second, this));
+ }
+
+ std::pair<const_iterator, const_iterator>
+ equal_range(const key_type& __key) const
+ {
+ std::pair<_Base_const_iterator, _Base_const_iterator> __res =
+ _Base::equal_range(__key);
+ return std::make_pair(const_iterator(__res.first, this),
+ const_iterator(__res.second, this));
+ }
+
+ size_type
+ 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([__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;
+ }
+
+ iterator
+ erase(const_iterator __it)
+ {
+ __glibcxx_check_erase(__it);
+ _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);
+ for (_Base_const_iterator __tmp = __first.base();
+ __tmp != __last.base(); ++__tmp)
+ {
+ _GLIBCXX_DEBUG_VERIFY(__tmp != _Base::end(),
+ _M_message(__gnu_debug::__msg_valid_range)
+ ._M_iterator(__first, "first")
+ ._M_iterator(__last, "last"));
+ 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; });
+ }
+ 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() noexcept { return *this; }
+
+ const _Base&
+ _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()
+ {
+ _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);
+ }
+ };
+
+ template<typename _Key, typename _Tp, typename _Hash,
+ typename _Pred, typename _Alloc>
+ inline void
+ swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
+ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
+ { __x.swap(__y); }
+
+ template<typename _Key, typename _Tp, typename _Hash,
+ typename _Pred, typename _Alloc>
+ inline bool
+ operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
+ const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
+ { return __x._M_equal(__y); }
+
+ template<typename _Key, typename _Tp, typename _Hash,
+ typename _Pred, typename _Alloc>
+ inline bool
+ operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
+ const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
+ { return !(__x == __y); }
+
+} // namespace __debug
+} // namespace std
+
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
+#endif
projects / cross.git / blobdiff