// Debugging map implementation -*- C++ -*-
-// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011
-// Free Software Foundation, Inc.
+// Copyright (C) 2003-2020 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
#define _GLIBCXX_DEBUG_MAP_H 1
#include <debug/safe_sequence.h>
+#include <debug/safe_container.h>
#include <debug/safe_iterator.h>
#include <utility>
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>,
- public __gnu_debug::_Safe_sequence<map<_Key, _Tp, _Compare, _Allocator> >
+ : public __gnu_debug::_Safe_container<
+ map<_Key, _Tp, _Compare, _Allocator>, _Allocator,
+ __gnu_debug::_Safe_node_sequence>,
+ public _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator>
{
- typedef _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator> _Base;
+ typedef _GLIBCXX_STD_C::map<
+ _Key, _Tp, _Compare, _Allocator> _Base;
+ typedef __gnu_debug::_Safe_container<
+ map, _Allocator, __gnu_debug::_Safe_node_sequence> _Safe;
- typedef typename _Base::const_iterator _Base_const_iterator;
- typedef typename _Base::iterator _Base_iterator;
+ typedef typename _Base::const_iterator _Base_const_iterator;
+ typedef typename _Base::iterator _Base_iterator;
typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal;
+
+ template<typename _ItT, typename _SeqT, typename _CatT>
+ friend class ::__gnu_debug::_Safe_iterator;
+
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 _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 __gnu_debug::_Safe_iterator<_Base_iterator, map>
- iterator;
+ iterator;
typedef __gnu_debug::_Safe_iterator<_Base_const_iterator, map>
- 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;
+ 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) { }
- template<typename _InputIterator>
- map(_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) { }
+#if __cplusplus < 201103L
+ map() : _Base() { }
map(const map& __x)
: _Base(__x) { }
- map(const _Base& __x)
- : _Base(__x) { }
-
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
- map(map&& __x)
- noexcept(is_nothrow_copy_constructible<_Compare>::value)
- : _Base(std::move(__x))
- { this->_M_swap(__x); }
+ ~map() { }
+#else
+ map() = default;
+ map(const map&) = default;
+ map(map&&) = default;
map(initializer_list<value_type> __l,
const _Compare& __c = _Compare(),
const allocator_type& __a = allocator_type())
: _Base(__l, __c, __a) { }
+
+ explicit
+ map(const allocator_type& __a)
+ : _Base(__a) { }
+
+ map(const map& __m, const allocator_type& __a)
+ : _Base(__m, __a) { }
+
+ map(map&& __m, const allocator_type& __a)
+ noexcept( noexcept(_Base(std::move(__m._M_base()), __a)) )
+ : _Safe(std::move(__m._M_safe()), __a),
+ _Base(std::move(__m._M_base()), __a) { }
+
+ map(initializer_list<value_type> __l, const allocator_type& __a)
+ : _Base(__l, __a) { }
+
+ template<typename _InputIterator>
+ map(_InputIterator __first, _InputIterator __last,
+ const allocator_type& __a)
+ : _Base(__gnu_debug::__base(
+ __glibcxx_check_valid_constructor_range(__first, __last)),
+ __gnu_debug::__base(__last), __a)
+ { }
+
+ ~map() = default;
#endif
- ~map() _GLIBCXX_NOEXCEPT { }
+ map(const _Base& __x)
+ : _Base(__x) { }
+
+ explicit map(const _Compare& __comp,
+ const _Allocator& __a = _Allocator())
+ : _Base(__comp, __a) { }
+
+ template<typename _InputIterator>
+ map(_InputIterator __first, _InputIterator __last,
+ const _Compare& __comp = _Compare(),
+ const _Allocator& __a = _Allocator())
+ : _Base(__gnu_debug::__base(
+ __glibcxx_check_valid_constructor_range(__first, __last)),
+ __gnu_debug::__base(__last),
+ __comp, __a) { }
+#if __cplusplus < 201103L
map&
operator=(const map& __x)
{
- *static_cast<_Base*>(this) = __x;
- this->_M_invalidate_all();
+ this->_M_safe() = __x;
+ _M_base() = __x;
return *this;
}
+#else
+ map&
+ operator=(const map&) = default;
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
map&
- operator=(map&& __x)
- {
- // NB: DR 1204.
- // NB: DR 675.
- clear();
- swap(__x);
- return *this;
- }
+ operator=(map&&) = default;
map&
operator=(initializer_list<value_type> __l)
{
- this->clear();
- this->insert(__l);
+ _M_base() = __l;
+ this->_M_invalidate_all();
return *this;
}
#endif
using _Base::get_allocator;
// iterators:
- iterator
+ iterator
begin() _GLIBCXX_NOEXCEPT
{ return iterator(_Base::begin(), this); }
rend() const _GLIBCXX_NOEXCEPT
{ return const_reverse_iterator(begin()); }
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus >= 201103L
const_iterator
cbegin() const noexcept
{ return const_iterator(_Base::begin(), this); }
using _Base::at;
// modifiers:
+#if __cplusplus >= 201103L
+ template<typename... _Args>
+ std::pair<iterator, bool>
+ emplace(_Args&&... __args)
+ {
+ auto __res = _Base::emplace(std::forward<_Args>(__args)...);
+ return { { __res.first, this }, __res.second };
+ }
+
+ template<typename... _Args>
+ iterator
+ emplace_hint(const_iterator __pos, _Args&&... __args)
+ {
+ __glibcxx_check_insert(__pos);
+ return
+ {
+ _Base::emplace_hint(__pos.base(), std::forward<_Args>(__args)...),
+ this
+ };
+ }
+#endif
+
std::pair<iterator, bool>
insert(const value_type& __x)
{
__res.second);
}
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus >= 201103L
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 2354. Unnecessary copying when inserting into maps with braced-init
+ std::pair<iterator, bool>
+ insert(value_type&& __x)
+ {
+ auto __res = _Base::insert(std::move(__x));
+ return { { __res.first, this }, __res.second };
+ }
+
template<typename _Pair, typename = typename
- std::enable_if<std::is_convertible<_Pair,
- value_type>::value>::type>
- std::pair<iterator, bool>
- insert(_Pair&& __x)
- {
- std::pair<_Base_iterator, bool> __res
- = _Base::insert(std::forward<_Pair>(__x));
- return std::pair<iterator, bool>(iterator(__res.first, this),
- __res.second);
+ std::enable_if<std::is_constructible<value_type,
+ _Pair&&>::value>::type>
+ std::pair<iterator, bool>
+ insert(_Pair&& __x)
+ {
+ auto __res = _Base::insert(std::forward<_Pair>(__x));
+ return { { __res.first, this }, __res.second };
}
#endif
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus >= 201103L
void
insert(std::initializer_list<value_type> __list)
{ _Base::insert(__list); }
#endif
iterator
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus >= 201103L
insert(const_iterator __position, const value_type& __x)
#else
insert(iterator __position, const value_type& __x)
return iterator(_Base::insert(__position.base(), __x), this);
}
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus >= 201103L
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 2354. Unnecessary copying when inserting into maps with braced-init
+ iterator
+ insert(const_iterator __position, value_type&& __x)
+ {
+ __glibcxx_check_insert(__position);
+ return { _Base::insert(__position.base(), std::move(__x)), this };
+ }
+
template<typename _Pair, typename = typename
- std::enable_if<std::is_convertible<_Pair,
- value_type>::value>::type>
- iterator
- insert(const_iterator __position, _Pair&& __x)
- {
+ std::enable_if<std::is_constructible<value_type,
+ _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);
+ return
+ {
+ _Base::insert(__position.base(), std::forward<_Pair>(__x)),
+ this
+ };
}
#endif
template<typename _InputIterator>
- void
- insert(_InputIterator __first, _InputIterator __last)
+ void
+ insert(_InputIterator __first, _InputIterator __last)
+ {
+ typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
+ __glibcxx_check_valid_range2(__first, __last, __dist);
+
+ if (__dist.second >= __gnu_debug::__dp_sign)
+ _Base::insert(__gnu_debug::__unsafe(__first),
+ __gnu_debug::__unsafe(__last));
+ else
+ _Base::insert(__first, __last);
+ }
+
+
+#if __cplusplus > 201402L
+ template <typename... _Args>
+ pair<iterator, bool>
+ try_emplace(const key_type& __k, _Args&&... __args)
{
- __glibcxx_check_valid_range(__first, __last);
- _Base::insert(__gnu_debug::__base(__first),
- __gnu_debug::__base(__last));
+ auto __res = _Base::try_emplace(__k,
+ std::forward<_Args>(__args)...);
+ return { { __res.first, this }, __res.second };
}
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template <typename... _Args>
+ pair<iterator, bool>
+ try_emplace(key_type&& __k, _Args&&... __args)
+ {
+ auto __res = _Base::try_emplace(std::move(__k),
+ std::forward<_Args>(__args)...);
+ return { { __res.first, this }, __res.second };
+ }
+
+ template <typename... _Args>
+ iterator
+ try_emplace(const_iterator __hint, const key_type& __k,
+ _Args&&... __args)
+ {
+ __glibcxx_check_insert(__hint);
+ return
+ {
+ _Base::try_emplace(__hint.base(), __k,
+ std::forward<_Args>(__args)...),
+ this
+ };
+ }
+
+ template <typename... _Args>
+ iterator
+ try_emplace(const_iterator __hint, key_type&& __k, _Args&&... __args)
+ {
+ __glibcxx_check_insert(__hint);
+ return
+ {
+ _Base::try_emplace(__hint.base(), std::move(__k),
+ std::forward<_Args>(__args)...),
+ this
+ };
+ }
+
+ template <typename _Obj>
+ std::pair<iterator, bool>
+ insert_or_assign(const key_type& __k, _Obj&& __obj)
+ {
+ auto __res = _Base::insert_or_assign(__k,
+ std::forward<_Obj>(__obj));
+ return { { __res.first, this }, __res.second };
+ }
+
+ template <typename _Obj>
+ std::pair<iterator, bool>
+ insert_or_assign(key_type&& __k, _Obj&& __obj)
+ {
+ auto __res = _Base::insert_or_assign(std::move(__k),
+ std::forward<_Obj>(__obj));
+ return { { __res.first, this }, __res.second };
+ }
+
+ template <typename _Obj>
+ iterator
+ insert_or_assign(const_iterator __hint,
+ const key_type& __k, _Obj&& __obj)
+ {
+ __glibcxx_check_insert(__hint);
+ return
+ {
+ _Base::insert_or_assign(__hint.base(), __k,
+ std::forward<_Obj>(__obj)),
+ this
+ };
+ }
+
+ template <typename _Obj>
+ iterator
+ insert_or_assign(const_iterator __hint, key_type&& __k, _Obj&& __obj)
+ {
+ __glibcxx_check_insert(__hint);
+ return
+ {
+ _Base::insert_or_assign(__hint.base(), std::move(__k),
+ std::forward<_Obj>(__obj)),
+ this
+ };
+ }
+#endif // C++17
+
+#if __cplusplus > 201402L
+ using node_type = typename _Base::node_type;
+ using insert_return_type = _Node_insert_return<iterator, node_type>;
+
+ node_type
+ extract(const_iterator __position)
+ {
+ __glibcxx_check_erase(__position);
+ this->_M_invalidate_if(_Equal(__position.base()));
+ return _Base::extract(__position.base());
+ }
+
+ node_type
+ extract(const key_type& __key)
+ {
+ const auto __position = find(__key);
+ if (__position != end())
+ return extract(__position);
+ return {};
+ }
+
+ insert_return_type
+ insert(node_type&& __nh)
+ {
+ auto __ret = _Base::insert(std::move(__nh));
+ return
+ { { __ret.position, this }, __ret.inserted, std::move(__ret.node) };
+ }
+
+ iterator
+ insert(const_iterator __hint, node_type&& __nh)
+ {
+ __glibcxx_check_insert(__hint);
+ return { _Base::insert(__hint.base(), std::move(__nh)), this };
+ }
+
+ using _Base::merge;
+#endif // C++17
+
+#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);
+ return { _Base::erase(__position.base()), this };
}
+ _GLIBCXX_ABI_TAG_CXX11
iterator
erase(iterator __position)
{ return erase(const_iterator(__position)); }
}
}
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus >= 201103L
iterator
erase(const_iterator __first, const_iterator __last)
{
for (_Base_const_iterator __victim = __first.base();
__victim != __last.base(); ++__victim)
{
- _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(),
+ _GLIBCXX_DEBUG_VERIFY(__victim != _Base::cend(),
_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);
+
+ return { _Base::erase(__first.base(), __last.base()), this };
}
#else
void
void
swap(map& __x)
+ _GLIBCXX_NOEXCEPT_IF( noexcept(declval<_Base&>().swap(__x)) )
{
+ _Safe::_M_swap(__x);
_Base::swap(__x);
- this->_M_swap(__x);
}
void
find(const key_type& __x)
{ return iterator(_Base::find(__x), this); }
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ iterator
+ find(const _Kt& __x)
+ { return { _Base::find(__x), this }; }
+#endif
+
const_iterator
find(const key_type& __x) const
{ return const_iterator(_Base::find(__x), this); }
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ const_iterator
+ find(const _Kt& __x) const
+ { return { _Base::find(__x), this }; }
+#endif
+
using _Base::count;
iterator
lower_bound(const key_type& __x)
{ return iterator(_Base::lower_bound(__x), this); }
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ iterator
+ lower_bound(const _Kt& __x)
+ { return { _Base::lower_bound(__x), this }; }
+#endif
+
const_iterator
lower_bound(const key_type& __x) const
{ return const_iterator(_Base::lower_bound(__x), this); }
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ const_iterator
+ lower_bound(const _Kt& __x) const
+ { return { _Base::lower_bound(__x), this }; }
+#endif
+
iterator
upper_bound(const key_type& __x)
{ return iterator(_Base::upper_bound(__x), this); }
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ iterator
+ upper_bound(const _Kt& __x)
+ { return { _Base::upper_bound(__x), this }; }
+#endif
+
const_iterator
upper_bound(const key_type& __x) const
{ return const_iterator(_Base::upper_bound(__x), this); }
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ const_iterator
+ upper_bound(const _Kt& __x) const
+ { return { _Base::upper_bound(__x), this }; }
+#endif
+
std::pair<iterator,iterator>
equal_range(const key_type& __x)
{
iterator(__res.second, this));
}
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ std::pair<iterator, iterator>
+ equal_range(const _Kt& __x)
+ {
+ auto __res = _Base::equal_range(__x);
+ return { { __res.first, this }, { __res.second, this } };
+ }
+#endif
+
std::pair<const_iterator,const_iterator>
equal_range(const key_type& __x) const
{
const_iterator(__res.second, this));
}
+#if __cplusplus > 201103L
+ template<typename _Kt,
+ typename _Req =
+ typename __has_is_transparent<_Compare, _Kt>::type>
+ std::pair<const_iterator, const_iterator>
+ equal_range(const _Kt& __x) const
+ {
+ auto __res = _Base::equal_range(__x);
+ return { { __res.first, this }, { __res.second, this } };
+ }
+#endif
+
_Base&
- _M_base() _GLIBCXX_NOEXCEPT { return *this; }
+ _M_base() _GLIBCXX_NOEXCEPT { return *this; }
const _Base&
- _M_base() const _GLIBCXX_NOEXCEPT { return *this; }
-
- private:
- void
- _M_invalidate_all()
- {
- typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
- this->_M_invalidate_if(_Not_equal(_M_base().end()));
- }
+ _M_base() const _GLIBCXX_NOEXCEPT { return *this; }
};
+#if __cpp_deduction_guides >= 201606
+
+ template<typename _InputIterator,
+ typename _Compare = less<__iter_key_t<_InputIterator>>,
+ typename _Allocator = allocator<__iter_to_alloc_t<_InputIterator>>,
+ typename = _RequireInputIter<_InputIterator>,
+ typename = _RequireNotAllocator<_Compare>,
+ typename = _RequireAllocator<_Allocator>>
+ map(_InputIterator, _InputIterator,
+ _Compare = _Compare(), _Allocator = _Allocator())
+ -> map<__iter_key_t<_InputIterator>, __iter_val_t<_InputIterator>,
+ _Compare, _Allocator>;
+
+ template<typename _Key, typename _Tp, typename _Compare = less<_Key>,
+ typename _Allocator = allocator<pair<const _Key, _Tp>>,
+ typename = _RequireNotAllocator<_Compare>,
+ typename = _RequireAllocator<_Allocator>>
+ map(initializer_list<pair<_Key, _Tp>>,
+ _Compare = _Compare(), _Allocator = _Allocator())
+ -> map<_Key, _Tp, _Compare, _Allocator>;
+
+ template <typename _InputIterator, typename _Allocator,
+ typename = _RequireInputIter<_InputIterator>,
+ typename = _RequireAllocator<_Allocator>>
+ map(_InputIterator, _InputIterator, _Allocator)
+ -> map<__iter_key_t<_InputIterator>, __iter_val_t<_InputIterator>,
+ less<__iter_key_t<_InputIterator>>, _Allocator>;
+
+ template<typename _Key, typename _Tp, typename _Allocator,
+ typename = _RequireAllocator<_Allocator>>
+ map(initializer_list<pair<_Key, _Tp>>, _Allocator)
+ -> map<_Key, _Tp, less<_Key>, _Allocator>;
+
+#endif
+
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
inline void
swap(map<_Key, _Tp, _Compare, _Allocator>& __lhs,
map<_Key, _Tp, _Compare, _Allocator>& __rhs)
+ _GLIBCXX_NOEXCEPT_IF(noexcept(__lhs.swap(__rhs)))
{ __lhs.swap(__rhs); }
} // namespace __debug