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// Profiling map implementation -*- C++ -*-

// Copyright (C) 2009, 2010, 2011 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/map.h

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

 */

#ifndef _GLIBCXX_PROFILE_MAP_H

#define _GLIBCXX_PROFILE_MAP_H 1

#include <utility>

#include <profile/base.h>

namespace std _GLIBCXX_VISIBILITY(default)

{

namespace __profile

{

  /// Class std::map wrapper with performance instrumentation.

  template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,

           typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >

    class map

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

    {

      typedef _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator> _Base;

    public:

      // types:

      typedef _Key                                  key_type;

      typedef _Tp                                   mapped_type;

      typedef std::pair<const _Key, _Tp>            value_type;

      typedef _Compare                              key_compare;

      typedef _Allocator                            allocator_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;

      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<iterator>       reverse_iterator;

      typedef std::reverse_iterator<const_iterator> const_reverse_iterator;

      // 23.3.1.1 construct/copy/destroy:

      explicit

      map(const _Compare& __comp = _Compare(),

          const _Allocator& __a = _Allocator())

      : _Base(__comp, __a)

      { __profcxx_map_to_unordered_map_construct(this); }

      template<typename _InputIterator>

        map(_InputIterator __first, _InputIterator __last,

            const _Compare& __comp = _Compare(),

            const _Allocator& __a = _Allocator())

        : _Base(__first, __last, __comp, __a)

        { __profcxx_map_to_unordered_map_construct(this); }

      map(const map& __x)

      : _Base(__x)

      { __profcxx_map_to_unordered_map_construct(this); }

      map(const _Base& __x)

      : _Base(__x)

      { __profcxx_map_to_unordered_map_construct(this); }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      map(map&& __x)

      noexcept(is_nothrow_copy_constructible<_Compare>::value)

      : _Base(std::move(__x))

      { }

      map(initializer_list<value_type> __l,

          const _Compare& __c = _Compare(),

          const allocator_type& __a = allocator_type())

      : _Base(__l, __c, __a) { }

#endif

      ~map() _GLIBCXX_NOEXCEPT

      { __profcxx_map_to_unordered_map_destruct(this); }

      map&

      operator=(const map& __x)

      {

        *static_cast<_Base*>(this) = __x;

        return *this;

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      map&

      operator=(map&& __x)

      {

        // NB: DR 1204.

        // NB: DR 675.

        this->clear();

        this->swap(__x);

        return *this;

      }

      map&

      operator=(initializer_list<value_type> __l)

      {

        this->clear();

        this->insert(__l);

        return *this;

      }

#endif

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 133. map missing get_allocator()

      using _Base::get_allocator;

      // iterators:

      iterator

      begin() _GLIBCXX_NOEXCEPT

      { return _Base::begin(); }

      const_iterator

      begin() const _GLIBCXX_NOEXCEPT

      { return _Base::begin(); }

      iterator

      end() _GLIBCXX_NOEXCEPT

      { return _Base::end(); }

      const_iterator

      end() const _GLIBCXX_NOEXCEPT

      { return _Base::end(); }

      reverse_iterator

      rbegin() _GLIBCXX_NOEXCEPT

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return reverse_iterator(end());

      }

      const_reverse_iterator

      rbegin() const _GLIBCXX_NOEXCEPT

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return const_reverse_iterator(end());

      }

      reverse_iterator

      rend() _GLIBCXX_NOEXCEPT

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return reverse_iterator(begin());

      }

      const_reverse_iterator

      rend() const _GLIBCXX_NOEXCEPT

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return const_reverse_iterator(begin());

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      const_iterator

      cbegin() const noexcept

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

      const_iterator

      cend() const noexcept

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

      const_reverse_iterator

      crbegin() const noexcept

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return const_reverse_iterator(end());

      }

      const_reverse_iterator

      crend() const noexcept

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return const_reverse_iterator(begin());

      }

#endif

      // capacity:

      using _Base::empty;

      using _Base::size;

      using _Base::max_size;

      // 23.3.1.2 element access:

      mapped_type&

      operator[](const key_type& __k)

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return _Base::operator[](__k);

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      mapped_type&

      operator[](key_type&& __k)

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return _Base::operator[](std::move(__k));

      }

#endif

      mapped_type&

      at(const key_type& __k)

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return _Base::at(__k);

      }

      const mapped_type&

      at(const key_type& __k) const

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return _Base::at(__k);

      }

      // modifiers:

      std::pair<iterator, bool>

      insert(const value_type& __x)

      {

        __profcxx_map_to_unordered_map_insert(this, size(), 1);

        typedef typename _Base::iterator _Base_iterator;

        std::pair<_Base_iterator, bool> __res = _Base::insert(__x);

        return std::pair<iterator, bool>(iterator(__res.first),

                                         __res.second);

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      template<typename _Pair, typename = typename

               std::enable_if<std::is_convertible<_Pair,

                                                  value_type>::value>::type>

        std::pair<iterator, bool>

        insert(_Pair&& __x)

        {

          __profcxx_map_to_unordered_map_insert(this, size(), 1);

          typedef typename _Base::iterator _Base_iterator;

          std::pair<_Base_iterator, bool> __res

            = _Base::insert(std::forward<_Pair>(__x));

          return std::pair<iterator, bool>(iterator(__res.first),

                                           __res.second);

        }

#endif

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      void

      insert(std::initializer_list<value_type> __list)

      {

        size_type size_before = size();

        _Base::insert(__list);

        __profcxx_map_to_unordered_map_insert(this, size_before,

                                              size() - size_before);

      }

#endif

      iterator

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      insert(const_iterator __position, const value_type& __x)

#else

      insert(iterator __position, const value_type& __x)

#endif

      {

        size_type size_before = size();

        iterator __i = iterator(_Base::insert(__position, __x));

        __profcxx_map_to_unordered_map_insert(this, size_before,

                                              size() - size_before);

        return __i;

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      template<typename _Pair, typename = typename

               std::enable_if<std::is_convertible<_Pair,

                                                  value_type>::value>::type>

        iterator

        insert(const_iterator __position, _Pair&& __x)

        {

          size_type size_before = size();

          iterator __i

            = iterator(_Base::insert(__position, std::forward<_Pair>(__x)));

          __profcxx_map_to_unordered_map_insert(this, size_before,

                                                size() - size_before);

          return __i;

      }

#endif

      template<typename _InputIterator>

        void

        insert(_InputIterator __first, _InputIterator __last)

        {

          size_type size_before = size();

          _Base::insert(__first, __last);

          __profcxx_map_to_unordered_map_insert(this, size_before,

                                                size() - size_before);

        }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      iterator

      erase(const_iterator __position)

      {

        iterator __i = _Base::erase(__position);

        __profcxx_map_to_unordered_map_erase(this, size(), 1);

        return __i;

      }

      iterator

      erase(iterator __position)

      { return erase(const_iterator(__position)); }

#else

      void

      erase(iterator __position)

      {

        _Base::erase(__position);

        __profcxx_map_to_unordered_map_erase(this, size(), 1);

      }

#endif

      size_type

      erase(const key_type& __x)

      {

        iterator __victim = find(__x);

        if (__victim == end())

          return 0;

        else

        {

          _Base::erase(__victim);

          return 1;

        }

      }

#ifdef __GXX_EXPERIMENTAL_CXX0X__

      iterator

      erase(const_iterator __first, const_iterator __last)

      { return iterator(_Base::erase(__first, __last)); }

#else

      void

      erase(iterator __first, iterator __last)

      { _Base::erase(__first, __last); }

#endif

      void

      swap(map& __x)

      { _Base::swap(__x); }

      void

      clear() _GLIBCXX_NOEXCEPT

      { this->erase(begin(), end()); }

      // observers:

      using _Base::key_comp;

      using _Base::value_comp;

      // 23.3.1.3 map operations:

      iterator

      find(const key_type& __x)

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return iterator(_Base::find(__x));

      }

      const_iterator

      find(const key_type& __x) const

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return const_iterator(_Base::find(__x));

      }

      size_type

      count(const key_type& __x) const

      {

        __profcxx_map_to_unordered_map_find(this, size());

        return _Base::count(__x);

      }

      iterator

      lower_bound(const key_type& __x)

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return iterator(_Base::lower_bound(__x));

      }

      const_iterator

      lower_bound(const key_type& __x) const

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return const_iterator(_Base::lower_bound(__x));

      }

      iterator

      upper_bound(const key_type& __x)

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return iterator(_Base::upper_bound(__x));

      }

      const_iterator

      upper_bound(const key_type& __x) const

      {

        __profcxx_map_to_unordered_map_invalidate(this);

        return const_iterator(_Base::upper_bound(__x));

      }

      std::pair<iterator,iterator>

      equal_range(const key_type& __x)

      {

        typedef typename _Base::iterator _Base_iterator;

        std::pair<_Base_iterator, _Base_iterator> __res =

        _Base::equal_range(__x);

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

                              iterator(__res.second));

      }

      std::pair<const_iterator,const_iterator>

      equal_range(const key_type& __x) const

      {

        __profcxx_map_to_unordered_map_find(this, size());

        typedef typename _Base::const_iterator _Base_const_iterator;

        std::pair<_Base_const_iterator, _Base_const_iterator> __res =

        _Base::equal_range(__x);

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

                              const_iterator(__res.second));

      }

      _Base&

      _M_base() _GLIBCXX_NOEXCEPT       { return *this; }

      const _Base&

      _M_base() const _GLIBCXX_NOEXCEPT { return *this; }

    };

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline bool

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

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

    {

      __profcxx_map_to_unordered_map_invalidate(&__lhs);

      __profcxx_map_to_unordered_map_invalidate(&__rhs);

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

    }

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline bool

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

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

    {

      __profcxx_map_to_unordered_map_invalidate(&__lhs);

      __profcxx_map_to_unordered_map_invalidate(&__rhs);

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

    }

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline bool

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

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

    {

      __profcxx_map_to_unordered_map_invalidate(&__lhs);

      __profcxx_map_to_unordered_map_invalidate(&__rhs);

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

    }

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline bool

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

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

    {

      __profcxx_map_to_unordered_map_invalidate(&__lhs);

      __profcxx_map_to_unordered_map_invalidate(&__rhs);

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

    }

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline bool

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

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

    {

      __profcxx_map_to_unordered_map_invalidate(&__lhs);

      __profcxx_map_to_unordered_map_invalidate(&__rhs);

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

    }

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline bool

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

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

    {

      __profcxx_map_to_unordered_map_invalidate(&__lhs);

      __profcxx_map_to_unordered_map_invalidate(&__rhs);

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

    }

  template<typename _Key, typename _Tp,

           typename _Compare, typename _Allocator>

    inline void

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

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

    { __lhs.swap(__rhs); }

} // namespace __profile

} // namespace std

#endif