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Editing: unordered_set

// Profiling unordered_set/unordered_multiset implementation -*- C++ -*-

// Copyright (C) 2009-2013 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 along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

/** @file profile/unordered_set
 *  This file is a GNU profile extension to the Standard C++ Library.
 */

#ifndef _GLIBCXX_PROFILE_UNORDERED_SET
#define _GLIBCXX_PROFILE_UNORDERED_SET 1

#if __cplusplus < 201103L
# include <bits/c++0x_warning.h>
#else
# include <unordered_set>

#include <profile/base.h>
#include <profile/unordered_base.h>

#define _GLIBCXX_BASE unordered_set<_Key, _Hash, _Pred, _Alloc>
#define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE

namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __profile
{
  /** @brief Unordered_set wrapper with performance instrumentation.  */
  template<typename _Key, 
	   typename _Hash = std::hash<_Key>,
	   typename _Pred = std::equal_to<_Key>,
	   typename _Alloc =  std::allocator<_Key> >
    class unordered_set
    : public _GLIBCXX_STD_BASE,
      public _Unordered_profile<unordered_set<_Key, _Hash, _Pred, _Alloc>,
				true>
    {
      typedef _GLIBCXX_STD_BASE _Base;

_Base&
      _M_base() noexcept       { return *this; }

const _Base&
      _M_base() const noexcept { return *this; }

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 typename _Base::difference_type difference_type;
      typedef typename _Base::reference       reference;
      typedef typename _Base::const_reference const_reference;

typedef typename _Base::iterator iterator;
      typedef typename _Base::const_iterator const_iterator;

explicit
      unordered_set(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_set(_InputIterator __f, _InputIterator __l,
		      size_type __n = 0,
		      const hasher& __hf = hasher(),
		      const key_equal& __eql = key_equal(),
		      const allocator_type& __a = allocator_type())
	  : _Base(__f, __l, __n, __hf, __eql, __a)
      { }

unordered_set(const unordered_set&) = default;

unordered_set(const _Base& __x)
	: _Base(__x)
      { }

unordered_set(unordered_set&&) = default;

unordered_set(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_set&
      operator=(const unordered_set&) = default;

unordered_set&
      operator=(unordered_set&&) = default;

unordered_set&
      operator=(initializer_list<value_type> __l)
      {
	_M_base() = __l;
	return *this;
      }

void
      swap(unordered_set& __x)
      { _Base::swap(__x); }

void
      clear() noexcept
      {
        __profcxx_hashtable_destruct(this, _Base::bucket_count(), 
                                     _Base::size());
        this->_M_profile_destruct();
        _Base::clear();
      }

template<typename... _Args>
	std::pair<iterator, bool>
	emplace(_Args&&... __args)
	{
	  size_type __old_size = _Base::bucket_count();
	  std::pair<iterator, bool> __res
	    = _Base::emplace(std::forward<_Args>(__args)...);
	  _M_profile_resize(__old_size);
	  return __res;
	}

template<typename... _Args>
	iterator
	emplace_hint(const_iterator __it, _Args&&... __args)
	{
	  size_type __old_size = _Base::bucket_count();
	  iterator __res
	    = _Base::emplace_hint(__it, std::forward<_Args>(__args)...);
	  _M_profile_resize(__old_size);
	  return __res;
	}

void
      insert(std::initializer_list<value_type> __l)
      { 
        size_type __old_size = _Base::bucket_count();
        _Base::insert(__l); 
        _M_profile_resize(__old_size); 
      }

std::pair<iterator, bool>
      insert(const value_type& __obj)
      {
        size_type __old_size = _Base::bucket_count();
        std::pair<iterator, bool> __res = _Base::insert(__obj);
        _M_profile_resize(__old_size); 
        return __res;
      }

iterator
      insert(const_iterator __iter, const value_type& __v)
      { 
        size_type __old_size = _Base::bucket_count(); 
        iterator __res = _Base::insert(__iter, __v);
        _M_profile_resize(__old_size); 
        return __res;
      }

std::pair<iterator, bool>
      insert(value_type&& __obj)
      {
        size_type __old_size = _Base::bucket_count();
        std::pair<iterator, bool> __res = _Base::insert(std::move(__obj));
        _M_profile_resize(__old_size); 
        return __res;
      }

iterator
      insert(const_iterator __iter, value_type&& __v)
      { 
        size_type __old_size = _Base::bucket_count();
        iterator __res = _Base::insert(__iter, std::move(__v));
        _M_profile_resize(__old_size); 
        return __res;
      }

template<typename _InputIter>
        void
        insert(_InputIter __first, _InputIter __last)
        {
	  size_type __old_size = _Base::bucket_count(); 
	  _Base::insert(__first, __last);
	  _M_profile_resize(__old_size); 
	}

void
      rehash(size_type __n)
      {
        size_type __old_size = _Base::bucket_count();
        _Base::rehash(__n);
        _M_profile_resize(__old_size); 
      }

private:
      void
      _M_profile_resize(size_type __old_size)
      {
	size_type __new_size = _Base::bucket_count();
	if (__old_size != __new_size)
	  __profcxx_hashtable_resize(this, __old_size, __new_size);
      }
  };

template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
    inline void
    swap(unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
	 unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
    { __x.swap(__y); }

template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
    inline bool
    operator==(const unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
	       const unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
    { return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }

template<typename _Key, typename _Hash, typename _Pred, typename _Alloc>
    inline bool
    operator!=(const unordered_set<_Key, _Hash, _Pred, _Alloc>& __x,
	       const unordered_set<_Key, _Hash, _Pred, _Alloc>& __y)
    { return !(__x == __y); }

#undef _GLIBCXX_BASE
#undef _GLIBCXX_STD_BASE
#define _GLIBCXX_STD_BASE _GLIBCXX_STD_C::_GLIBCXX_BASE
#define _GLIBCXX_BASE unordered_multiset<_Value, _Hash, _Pred, _Alloc>

/** @brief Unordered_multiset wrapper with performance instrumentation.  */
  template<typename _Value,
	   typename _Hash = std::hash<_Value>,
	   typename _Pred = std::equal_to<_Value>,
	   typename _Alloc =  std::allocator<_Value> >
    class unordered_multiset
    : public _GLIBCXX_STD_BASE,
      public _Unordered_profile<unordered_multiset<_Value,
						   _Hash, _Pred, _Alloc>,
				false>
    {
      typedef _GLIBCXX_STD_BASE _Base;

_Base&
      _M_base() noexcept       { return *this; }

const _Base&
      _M_base() const noexcept { return *this; }

typedef typename _Base::iterator iterator;
      typedef typename _Base::const_iterator const_iterator;

explicit
      unordered_multiset(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_multiset(_InputIterator __f, _InputIterator __l,
			   size_type __n = 0,
			   const hasher& __hf = hasher(),
			   const key_equal& __eql = key_equal(),
			   const allocator_type& __a = allocator_type())
	  : _Base(__f, __l, __n, __hf, __eql, __a)
      { }

unordered_multiset(const unordered_multiset&) = default;

unordered_multiset(const _Base& __x)
	: _Base(__x)
      { }

unordered_multiset(unordered_multiset&&) = default;

unordered_multiset(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_multiset&
      operator=(const unordered_multiset&) = default;

unordered_multiset&
      operator=(unordered_multiset&&) = default;

unordered_multiset&
      operator=(initializer_list<value_type> __l)
      {
	_M_base() = __l;
	return *this;
      }

void
      swap(unordered_multiset& __x)
      { _Base::swap(__x); }

template<typename... _Args>
	iterator
	emplace(_Args&&... __args)
	{
	  size_type __old_size = _Base::bucket_count();
	  iterator __res = _Base::emplace(std::forward<_Args>(__args)...);
	  _M_profile_resize(__old_size);
	  return __res;
	}

void
      insert(std::initializer_list<value_type> __l)
      { 
        size_type __old_size = _Base::bucket_count();
        _Base::insert(__l); 
        _M_profile_resize(__old_size); 
      }

iterator
      insert(const value_type& __obj)
      {
        size_type __old_size = _Base::bucket_count();
        iterator __res = _Base::insert(__obj);
        _M_profile_resize(__old_size); 
        return __res;
      }

iterator
      insert(const_iterator __iter, const value_type& __v)
      {
        size_type __old_size = _Base::bucket_count(); 
        iterator __res = _Base::insert(__iter, __v);
        _M_profile_resize(__old_size); 
        return __res;
      }

iterator
      insert(value_type&& __obj)
      {
	size_type __old_size = _Base::bucket_count();
        iterator __res = _Base::insert(std::move(__obj));
        _M_profile_resize(__old_size); 
        return __res;
      }

iterator
      insert(const_iterator __iter, value_type&& __v)
      {
        size_type __old_size = _Base::bucket_count(); 
        iterator __res = _Base::insert(__iter, std::move(__v));
        _M_profile_resize(__old_size); 
        return __res;
      }

void
      rehash(size_type __n)
      {
        size_type __old_size = _Base::bucket_count();
        _Base::rehash(__n);
        _M_profile_resize(__old_size); 
      }

private:
      void
      _M_profile_resize(size_type __old_size)
      {
	size_type __new_size = _Base::bucket_count();
        if (__old_size != __new_size)
          __profcxx_hashtable_resize(this, __old_size, __new_size);
      }
   };

template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
    inline void
    swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
	 unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
    { __x.swap(__y); }

template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
    inline bool
    operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
	       const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
    { return static_cast<const _GLIBCXX_STD_BASE&>(__x) == __y; }

template<typename _Value, typename _Hash, typename _Pred, typename _Alloc>
    inline bool
    operator!=(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
	       const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
    { return !(__x == __y); }

} // namespace __profile
} // namespace std

#undef _GLIBCXX_BASE
#undef _GLIBCXX_STD_BASE

#endif // C++11

#endif

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