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// Debugging multimap implementation -*- C++ -*-

// Copyright (C) 2003-2015 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

// .

/** @file debug/multimap.h

 *  This file is a GNU debug extension to the Standard C++ Library.

 */

#ifndef _GLIBCXX_DEBUG_MULTIMAP_H

#define _GLIBCXX_DEBUG_MULTIMAP_H 1

#include 

#include 

#include 

#include 

namespace std _GLIBCXX_VISIBILITY(default)

{

namespace __debug

{

  /// Class std::multimap with safety/checking/debug instrumentation.

  template,

	   typename _Allocator = std::allocator > >

    class multimap

      : public __gnu_debug::_Safe_container<

	multimap<_Key, _Tp, _Compare, _Allocator>, _Allocator,

	__gnu_debug::_Safe_node_sequence>,

	public _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator>

    {

      typedef _GLIBCXX_STD_C::multimap<

	_Key, _Tp, _Compare, _Allocator>			_Base;

      typedef __gnu_debug::_Safe_container<

	multimap, _Allocator, __gnu_debug::_Safe_node_sequence>	_Safe;

      typedef typename _Base::const_iterator	_Base_const_iterator;

      typedef typename _Base::iterator		_Base_iterator;

      typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal;

    public:

      // types:

      typedef _Key					key_type;

      typedef _Tp					mapped_type;

      typedef std::pair		value_type;

      typedef _Compare					key_compare;

      typedef _Allocator				allocator_type;

      typedef typename _Base::reference			reference;

      typedef typename _Base::const_reference		const_reference;

      typedef __gnu_debug::_Safe_iterator<_Base_iterator, multimap>

							iterator;

      typedef __gnu_debug::_Safe_iterator<_Base_const_iterator,

					  multimap>	const_iterator;

      typedef typename _Base::size_type			size_type;

      typedef typename _Base::difference_type		difference_type;

      typedef typename _Base::pointer			pointer;

      typedef typename _Base::const_pointer		const_pointer;

      typedef std::reverse_iterator		reverse_iterator;

      typedef std::reverse_iterator	const_reverse_iterator;

      // 23.3.1.1 construct/copy/destroy:

#if __cplusplus < 201103L

      multimap() : _Base() { }

      multimap(const multimap& __x)

      : _Base(__x) { }

      ~multimap() { }

#else

      multimap() = default;

      multimap(const multimap&) = default;

      multimap(multimap&&) = default;

      multimap(initializer_list __l,

	       const _Compare& __c = _Compare(),

	       const allocator_type& __a = allocator_type())

      : _Base(__l, __c, __a) { }

      explicit

      multimap(const allocator_type& __a)

      : _Base(__a) { }

      multimap(const multimap& __m, const allocator_type& __a)

      : _Base(__m, __a) { }

      multimap(multimap&& __m, const allocator_type& __a)

      : _Safe(std::move(__m._M_safe()), __a),

	_Base(std::move(__m._M_base()), __a) { }

      multimap(initializer_list __l, const allocator_type& __a)

      : _Base(__l, __a) { }

      template

	multimap(_InputIterator __first, _InputIterator __last,

		 const allocator_type& __a)

	: _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,

								     __last)),

		__gnu_debug::__base(__last), __a) { }

      ~multimap() = default;

#endif

      explicit multimap(const _Compare& __comp,

			const _Allocator& __a = _Allocator())

      : _Base(__comp, __a) { }

      template

      multimap(_InputIterator __first, _InputIterator __last,

	       const _Compare& __comp = _Compare(),

	       const _Allocator& __a = _Allocator())

	: _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,

								     __last)),

		__gnu_debug::__base(__last),

	      __comp, __a) { }

      multimap(const _Base& __x)

      : _Base(__x) { }

#if __cplusplus < 201103L

      multimap&

      operator=(const multimap& __x)

      {

	this->_M_safe() = __x;

	_M_base() = __x;

	return *this;

      }

#else

      multimap&

      operator=(const multimap&) = default;

      multimap&

      operator=(multimap&&) = default;

      multimap&

      operator=(initializer_list __l)

      {

	_M_base() = __l;

	this->_M_invalidate_all();

	return *this;

      }

#endif

      using _Base::get_allocator;

      // iterators:

      iterator

      begin() _GLIBCXX_NOEXCEPT

      { return iterator(_Base::begin(), this); }

      const_iterator

      begin() const _GLIBCXX_NOEXCEPT

      { return const_iterator(_Base::begin(), this); }

      iterator

      end() _GLIBCXX_NOEXCEPT

      { return iterator(_Base::end(), this); }

      const_iterator

      end() const _GLIBCXX_NOEXCEPT

      { return const_iterator(_Base::end(), this); }

      reverse_iterator

      rbegin() _GLIBCXX_NOEXCEPT

      { return reverse_iterator(end()); }

      const_reverse_iterator

      rbegin() const _GLIBCXX_NOEXCEPT

      { return const_reverse_iterator(end()); }

      reverse_iterator

      rend() _GLIBCXX_NOEXCEPT

      { return reverse_iterator(begin()); }

      const_reverse_iterator

      rend() const _GLIBCXX_NOEXCEPT

      { return const_reverse_iterator(begin()); }

#if __cplusplus >= 201103L

      const_iterator

      cbegin() const noexcept

      { return const_iterator(_Base::begin(), this); }

      const_iterator

      cend() const noexcept

      { return const_iterator(_Base::end(), this); }

      const_reverse_iterator

      crbegin() const noexcept

      { return const_reverse_iterator(end()); }

      const_reverse_iterator

      crend() const noexcept

      { return const_reverse_iterator(begin()); }

#endif

      // capacity:

      using _Base::empty;

      using _Base::size;

      using _Base::max_size;

      // modifiers:

#if __cplusplus >= 201103L

      template

	iterator

	emplace(_Args&&... __args)

	{

	  return iterator(_Base::emplace(std::forward<_Args>(__args)...), this);

	}

      template

	iterator

	emplace_hint(const_iterator __pos, _Args&&... __args)

	{

	  __glibcxx_check_insert(__pos);

	  return iterator(_Base::emplace_hint(__pos.base(),

					      std::forward<_Args>(__args)...),

			  this);

	}

#endif

      iterator

      insert(const value_type& __x)

      { return iterator(_Base::insert(__x), this); }

#if __cplusplus >= 201103L

      template

	       std::enable_if

						    _Pair&&>::value>::type>

	iterator

	insert(_Pair&& __x)

	{ return iterator(_Base::insert(std::forward<_Pair>(__x)), this); }

#endif

#if __cplusplus >= 201103L

      void

      insert(std::initializer_list __list)

      { _Base::insert(__list); }

#endif

      iterator

#if __cplusplus >= 201103L

      insert(const_iterator __position, const value_type& __x)

#else

      insert(iterator __position, const value_type& __x)

#endif

      {

	__glibcxx_check_insert(__position);

	return iterator(_Base::insert(__position.base(), __x), this);

      }

#if __cplusplus >= 201103L

      template

	       std::enable_if

						    _Pair&&>::value>::type>

	iterator

	insert(const_iterator __position, _Pair&& __x)

	{

	  __glibcxx_check_insert(__position);

	  return iterator(_Base::insert(__position.base(),

					std::forward<_Pair>(__x)), this);

	}

#endif

      template

	void

	insert(_InputIterator __first, _InputIterator __last)

	{

	  __glibcxx_check_valid_range(__first, __last);

	  _Base::insert(__gnu_debug::__base(__first),

			__gnu_debug::__base(__last));

	}

#if __cplusplus >= 201103L

      iterator

      erase(const_iterator __position)

      {

	__glibcxx_check_erase(__position);

	this->_M_invalidate_if(_Equal(__position.base()));

	return iterator(_Base::erase(__position.base()), this);

      }

      iterator

      erase(iterator __position)

      { return erase(const_iterator(__position)); }

#else

      void

      erase(iterator __position)

      {

	__glibcxx_check_erase(__position);

	this->_M_invalidate_if(_Equal(__position.base()));

	_Base::erase(__position.base());

      }

#endif

      size_type

      erase(const key_type& __x)

      {

	std::pair<_Base_iterator, _Base_iterator> __victims =

	  _Base::equal_range(__x);

	size_type __count = 0;

	_Base_iterator __victim = __victims.first;

	while (__victim !=  __victims.second)

	  {

	    this->_M_invalidate_if(_Equal(__victim));

	    _Base::erase(__victim++);

	    ++__count;

	  }

	return __count;

      }

#if __cplusplus >= 201103L

      iterator

      erase(const_iterator __first, const_iterator __last)

      {

	// _GLIBCXX_RESOLVE_LIB_DEFECTS

	// 151. can't currently clear() empty container

	__glibcxx_check_erase_range(__first, __last);

	for (_Base_const_iterator __victim = __first.base();

	     __victim != __last.base(); ++__victim)

	  {

	    _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(),

				  _M_message(__gnu_debug::__msg_valid_range)

				  ._M_iterator(__first, "first")

				  ._M_iterator(__last, "last"));

	    this->_M_invalidate_if(_Equal(__victim));

	  }

	return iterator(_Base::erase(__first.base(), __last.base()), this);

      }

#else

      void

      erase(iterator __first, iterator __last)

      {

	// _GLIBCXX_RESOLVE_LIB_DEFECTS

	// 151. can't currently clear() empty container

	__glibcxx_check_erase_range(__first, __last);

	for (_Base_iterator __victim = __first.base();

	     __victim != __last.base(); ++__victim)

	  {

	    _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(),

				  _M_message(__gnu_debug::__msg_valid_range)

				  ._M_iterator(__first, "first")

				  ._M_iterator(__last, "last"));

	    this->_M_invalidate_if(_Equal(__victim));

	  }

	_Base::erase(__first.base(), __last.base());

      }

#endif

      void

      swap(multimap& __x)

#if __cplusplus >= 201103L

	noexcept( noexcept(declval<_Base>().swap(__x)) )

#endif

      {

	_Safe::_M_swap(__x);

	_Base::swap(__x);

      }

      void

      clear() _GLIBCXX_NOEXCEPT

      {

	this->_M_invalidate_all();

	_Base::clear();

      }

      // observers:

      using _Base::key_comp;

      using _Base::value_comp;

      // 23.3.1.3 multimap operations:

      iterator

      find(const key_type& __x)

      { return iterator(_Base::find(__x), this); }

      const_iterator

      find(const key_type& __x) const

      { return const_iterator(_Base::find(__x), this); }

      using _Base::count;

      iterator

      lower_bound(const key_type& __x)

      { return iterator(_Base::lower_bound(__x), this); }

      const_iterator

      lower_bound(const key_type& __x) const

      { return const_iterator(_Base::lower_bound(__x), this); }

      iterator

      upper_bound(const key_type& __x)

      { return iterator(_Base::upper_bound(__x), this); }

      const_iterator

      upper_bound(const key_type& __x) const

      { return const_iterator(_Base::upper_bound(__x), this); }

      std::pair

      equal_range(const key_type& __x)

      {

	std::pair<_Base_iterator, _Base_iterator> __res =

	_Base::equal_range(__x);

	return std::make_pair(iterator(__res.first, this),

			      iterator(__res.second, this));

      }

      std::pair

      equal_range(const key_type& __x) const

      {

	std::pair<_Base_const_iterator, _Base_const_iterator> __res =

	  _Base::equal_range(__x);

	return std::make_pair(const_iterator(__res.first, this),

			      const_iterator(__res.second, this));

      }

      _Base&

      _M_base() _GLIBCXX_NOEXCEPT { return *this; }

      const _Base&

      _M_base() const _GLIBCXX_NOEXCEPT { return *this; }

    };

  template

	   typename _Compare, typename _Allocator>

    inline bool

    operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	       const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() == __rhs._M_base(); }

  template

	   typename _Compare, typename _Allocator>

    inline bool

    operator!=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	       const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() != __rhs._M_base(); }

  template

	   typename _Compare, typename _Allocator>

    inline bool

    operator<(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	      const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() < __rhs._M_base(); }

  template

	   typename _Compare, typename _Allocator>

    inline bool

    operator<=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	       const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() <= __rhs._M_base(); }

  template

	   typename _Compare, typename _Allocator>

    inline bool

    operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	       const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() >= __rhs._M_base(); }

  template

	   typename _Compare, typename _Allocator>

    inline bool

    operator>(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	      const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { return __lhs._M_base() > __rhs._M_base(); }

  template

	   typename _Compare, typename _Allocator>

    inline void

    swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,

	 multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)

    { __lhs.swap(__rhs); }

} // namespace __debug

} // namespace std

#endif