re PR libstdc++/29988 (More stl_tree.h enhancements: improving operator=)

2014-09-24  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/29988
	* include/bits/stl_tree.h (_Rb_tree_reuse_or_alloc_node<>): New.
	(_Rb_tree_alloc_node<>): New.
	(_Rb_tree<>::operator=(_Rb_tree<>&&)): New.
	(_Rb_tree<>::_M_assign_unique): New.
	(_Rb_tree<>::_M_assign_equal): New.
	(_Rb_tree<>): Adapt to reuse allocated nodes as much as possible.
	* include/bits/stl_map.h
	(std::map<>::operator=(std::map<>&&)): Default implementation.
	(std::map<>::operator=(initializer_list<>)): Adapt to use
	_Rb_tree::_M_assign_unique.
	* include/bits/stl_multimap.h
	(std::multimap<>::operator=(std::multimap<>&&)): Default implementation.
	(std::multimap<>::operator=(initializer_list<>)): Adapt to use
	_Rb_tree::_M_assign_equal.
	* include/bits/stl_set.h
	(std::set<>::operator=(std::set<>&&)): Default implementation.
	(std::set<>::operator=(initializer_list<>)): Adapt to use
	_Rb_tree::_M_assign_unique.
	* include/bits/stl_multiset.h
	(std::multiset<>::operator=(std::multiset<>&&)): Default implementation.
	(std::multiset<>::operator=(initializer_list<>)): Adapt to use
	_Rb_tree::_M_assign_equal.
	* testsuite/23_containers/map/allocator/copy_assign.cc (test03): New.
	* testsuite/23_containers/map/allocator/init-list.cc: New.
	* testsuite/23_containers/map/allocator/move_assign.cc (test03): New.
	* testsuite/23_containers/multimap/allocator/copy_assign.cc
	(test03): New.
	* testsuite/23_containers/multimap/allocator/init-list.cc: New.
	* testsuite/23_containers/multimap/allocator/move_assign.cc
	(test03): New.
	* testsuite/23_containers/multiset/allocator/copy_assign.cc
	(test03): New.
	* testsuite/23_containers/multiset/allocator/init-list.cc: New.
	* testsuite/23_containers/multiset/allocator/move_assign.cc
	(test03): New.
	* testsuite/23_containers/set/allocator/copy_assign.cc (test03): New.
	* testsuite/23_containers/set/allocator/init-list.cc: New.
	* testsuite/23_containers/set/allocator/move_assign.cc (test03): New.

From-SVN: r215568
This commit is contained in:
François Dumont 2014-09-24 19:55:35 +00:00
parent 00de328a7a
commit c6195f588b
18 changed files with 911 additions and 253 deletions

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@ -1,3 +1,45 @@
2014-09-24 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/29988
* include/bits/stl_tree.h (_Rb_tree_reuse_or_alloc_node<>): New.
(_Rb_tree_alloc_node<>): New.
(_Rb_tree<>::operator=(_Rb_tree<>&&)): New.
(_Rb_tree<>::_M_assign_unique): New.
(_Rb_tree<>::_M_assign_equal): New.
(_Rb_tree<>): Adapt to reuse allocated nodes as much as possible.
* include/bits/stl_map.h
(std::map<>::operator=(std::map<>&&)): Default implementation.
(std::map<>::operator=(initializer_list<>)): Adapt to use
_Rb_tree::_M_assign_unique.
* include/bits/stl_multimap.h
(std::multimap<>::operator=(std::multimap<>&&)): Default implementation.
(std::multimap<>::operator=(initializer_list<>)): Adapt to use
_Rb_tree::_M_assign_equal.
* include/bits/stl_set.h
(std::set<>::operator=(std::set<>&&)): Default implementation.
(std::set<>::operator=(initializer_list<>)): Adapt to use
_Rb_tree::_M_assign_unique.
* include/bits/stl_multiset.h
(std::multiset<>::operator=(std::multiset<>&&)): Default implementation.
(std::multiset<>::operator=(initializer_list<>)): Adapt to use
_Rb_tree::_M_assign_equal.
* testsuite/23_containers/map/allocator/copy_assign.cc (test03): New.
* testsuite/23_containers/map/allocator/init-list.cc: New.
* testsuite/23_containers/map/allocator/move_assign.cc (test03): New.
* testsuite/23_containers/multimap/allocator/copy_assign.cc
(test03): New.
* testsuite/23_containers/multimap/allocator/init-list.cc: New.
* testsuite/23_containers/multimap/allocator/move_assign.cc
(test03): New.
* testsuite/23_containers/multiset/allocator/copy_assign.cc
(test03): New.
* testsuite/23_containers/multiset/allocator/init-list.cc: New.
* testsuite/23_containers/multiset/allocator/move_assign.cc
(test03): New.
* testsuite/23_containers/set/allocator/copy_assign.cc (test03): New.
* testsuite/23_containers/set/allocator/init-list.cc: New.
* testsuite/23_containers/set/allocator/move_assign.cc (test03): New.
2014-09-24 Jonathan Wakely <jwakely@redhat.com> 2014-09-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/63353 PR libstdc++/63353

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@ -297,28 +297,9 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
} }
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
/** /// Move assignment operator.
* @brief %Map move assignment operator.
* @param __x A %map of identical element and allocator types.
*
* The contents of @a __x are moved into this map (without copying
* if the allocators compare equal or get moved on assignment).
* Afterwards @a __x is in a valid, but unspecified state.
*/
map& map&
operator=(map&& __x) noexcept(_Alloc_traits::_S_nothrow_move()) operator=(map&&) = default;
{
if (!_M_t._M_move_assign(__x._M_t))
{
// The rvalue's allocator cannot be moved and is not equal,
// so we need to individually move each element.
clear();
insert(std::__make_move_if_noexcept_iterator(__x.begin()),
std::__make_move_if_noexcept_iterator(__x.end()));
__x.clear();
}
return *this;
}
/** /**
* @brief %Map list assignment operator. * @brief %Map list assignment operator.
@ -334,8 +315,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
map& map&
operator=(initializer_list<value_type> __l) operator=(initializer_list<value_type> __l)
{ {
this->clear(); _M_t._M_assign_unique(__l.begin(), __l.end());
this->insert(__l.begin(), __l.end());
return *this; return *this;
} }
#endif #endif

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@ -292,28 +292,9 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
} }
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
/** /// Move assignment operator.
* @brief %Multimap move assignment operator.
* @param __x A %multimap of identical element and allocator types.
*
* The contents of @a __x are moved into this multimap (without copying
* if the allocators compare equal or get moved on assignment).
* Afterwards @a __x is in a valid, but unspecified state.
*/
multimap& multimap&
operator=(multimap&& __x) noexcept(_Alloc_traits::_S_nothrow_move()) operator=(multimap&&) = default;
{
if (!_M_t._M_move_assign(__x._M_t))
{
// The rvalue's allocator cannot be moved and is not equal,
// so we need to individually move each element.
clear();
insert(std::__make_move_if_noexcept_iterator(__x.begin()),
std::__make_move_if_noexcept_iterator(__x.end()));
__x.clear();
}
return *this;
}
/** /**
* @brief %Multimap list assignment operator. * @brief %Multimap list assignment operator.
@ -329,8 +310,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
multimap& multimap&
operator=(initializer_list<value_type> __l) operator=(initializer_list<value_type> __l)
{ {
this->clear(); _M_t._M_assign_equal(__l.begin(), __l.end());
this->insert(__l.begin(), __l.end());
return *this; return *this;
} }
#endif #endif

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@ -263,28 +263,9 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
} }
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
/** /// Move assignment operator.
* @brief %Multiset move assignment operator.
* @param __x A %multiset of identical element and allocator types.
*
* The contents of @a __x are moved into this %multiset (without
* copying if the allocators compare equal or get moved on assignment).
* Afterwards @a __x is in a valid, but unspecified state.
*/
multiset& multiset&
operator=(multiset&& __x) noexcept(_Alloc_traits::_S_nothrow_move()) operator=(multiset&&) = default;
{
if (!_M_t._M_move_assign(__x._M_t))
{
// The rvalue's allocator cannot be moved and is not equal,
// so we need to individually move each element.
clear();
insert(std::__make_move_if_noexcept_iterator(__x._M_t.begin()),
std::__make_move_if_noexcept_iterator(__x._M_t.end()));
__x.clear();
}
return *this;
}
/** /**
* @brief %Multiset list assignment operator. * @brief %Multiset list assignment operator.
@ -300,8 +281,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
multiset& multiset&
operator=(initializer_list<value_type> __l) operator=(initializer_list<value_type> __l)
{ {
this->clear(); _M_t._M_assign_equal(__l.begin(), __l.end());
this->insert(__l.begin(), __l.end());
return *this; return *this;
} }
#endif #endif

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@ -267,28 +267,9 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
} }
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
/** /// Move assignment operator.
* @brief %Set move assignment operator.
* @param __x A %set of identical element and allocator types.
*
* The contents of @a __x are moved into this %set (without copying
* if the allocators compare equal or get moved on assignment).
* Afterwards @a __x is in a valid, but unspecified state.
*/
set& set&
operator=(set&& __x) noexcept(_Alloc_traits::_S_nothrow_move()) operator=(set&&) = default;
{
if (!_M_t._M_move_assign(__x._M_t))
{
// The rvalue's allocator cannot be moved and is not equal,
// so we need to individually move each element.
clear();
insert(std::__make_move_if_noexcept_iterator(__x._M_t.begin()),
std::__make_move_if_noexcept_iterator(__x._M_t.end()));
__x.clear();
}
return *this;
}
/** /**
* @brief %Set list assignment operator. * @brief %Set list assignment operator.
@ -304,8 +285,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
set& set&
operator=(initializer_list<value_type> __l) operator=(initializer_list<value_type> __l)
{ {
this->clear(); _M_t._M_assign_unique(__l.begin(), __l.end());
this->insert(__l.begin(), __l.end());
return *this; return *this;
} }
#endif #endif

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@ -355,6 +355,106 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
protected: protected:
typedef _Rb_tree_node_base* _Base_ptr; typedef _Rb_tree_node_base* _Base_ptr;
typedef const _Rb_tree_node_base* _Const_Base_ptr; typedef const _Rb_tree_node_base* _Const_Base_ptr;
typedef _Rb_tree_node<_Val>* _Link_type;
typedef const _Rb_tree_node<_Val>* _Const_Link_type;
private:
// Functor recycling a pool of nodes and using allocation once the pool is
// empty.
struct _Reuse_or_alloc_node
{
_Reuse_or_alloc_node(const _Rb_tree_node_base& __header,
_Rb_tree& __t)
: _M_root(__header._M_parent), _M_nodes(__header._M_right), _M_t(__t)
{
if (_M_root)
_M_root->_M_parent = 0;
else
_M_nodes = 0;
}
#if __cplusplus >= 201103L
_Reuse_or_alloc_node(const _Reuse_or_alloc_node&) = delete;
#endif
~_Reuse_or_alloc_node()
{ _M_t._M_erase(static_cast<_Link_type>(_M_root)); }
template<typename _Arg>
_Link_type
#if __cplusplus < 201103L
operator()(const _Arg& __arg)
#else
operator()(_Arg&& __arg)
#endif
{
_Link_type __node = static_cast<_Link_type>(_M_extract());
if (__node)
{
_M_t._M_destroy_node(__node);
_M_t._M_construct_node(__node, _GLIBCXX_FORWARD(_Arg, __arg));
return __node;
}
return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg));
}
private:
_Base_ptr
_M_extract()
{
if (!_M_nodes)
return _M_nodes;
_Base_ptr __node = _M_nodes;
_M_nodes = _M_nodes->_M_parent;
if (_M_nodes)
{
if (_M_nodes->_M_right == __node)
{
_M_nodes->_M_right = 0;
if (_M_nodes->_M_left)
{
_M_nodes = _M_nodes->_M_left;
while (_M_nodes->_M_right)
_M_nodes = _M_nodes->_M_right;
}
}
else // __node is on the left.
_M_nodes->_M_left = 0;
}
else
_M_root = 0;
return __node;
}
_Base_ptr _M_root;
_Base_ptr _M_nodes;
_Rb_tree& _M_t;
};
// Functor similar to the previous one but without any pool of node to
// recycle.
struct _Alloc_node
{
_Alloc_node(_Rb_tree& __t)
: _M_t(__t) { }
template<typename _Arg>
_Link_type
#if __cplusplus < 201103L
operator()(const _Arg& __arg) const
#else
operator()(_Arg&& __arg) const
#endif
{ return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg)); }
private:
_Rb_tree& _M_t;
};
public: public:
typedef _Key key_type; typedef _Key key_type;
@ -363,8 +463,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
typedef const value_type* const_pointer; typedef const value_type* const_pointer;
typedef value_type& reference; typedef value_type& reference;
typedef const value_type& const_reference; typedef const value_type& const_reference;
typedef _Rb_tree_node<_Val>* _Link_type;
typedef const _Rb_tree_node<_Val>* _Const_Link_type;
typedef size_t size_type; typedef size_t size_type;
typedef ptrdiff_t difference_type; typedef ptrdiff_t difference_type;
typedef _Alloc allocator_type; typedef _Alloc allocator_type;
@ -391,44 +489,55 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ _Alloc_traits::deallocate(_M_get_Node_allocator(), __p, 1); } { _Alloc_traits::deallocate(_M_get_Node_allocator(), __p, 1); }
#if __cplusplus < 201103L #if __cplusplus < 201103L
void
_M_construct_node(_Link_type __node, const value_type& __x)
{
__try
{ get_allocator().construct(__node->_M_valptr(), __x); }
__catch(...)
{
_M_put_node(__node);
__throw_exception_again;
}
}
_Link_type _Link_type
_M_create_node(const value_type& __x) _M_create_node(const value_type& __x)
{ {
_Link_type __tmp = _M_get_node(); _Link_type __tmp = _M_get_node();
__try _M_construct_node(__tmp, __x);
{ get_allocator().construct(__tmp->_M_valptr(), __x); }
__catch(...)
{
_M_put_node(__tmp);
__throw_exception_again;
}
return __tmp; return __tmp;
} }
void void
_M_destroy_node(_Link_type __p) _M_destroy_node(_Link_type __p)
{ { get_allocator().destroy(__p->_M_valptr()); }
get_allocator().destroy(__p->_M_valptr());
_M_put_node(__p);
}
#else #else
template<typename... _Args>
void
_M_construct_node(_Link_type __node, _Args&&... __args)
{
__try
{
::new(__node) _Rb_tree_node<_Val>;
_Alloc_traits::construct(_M_get_Node_allocator(),
__node->_M_valptr(),
std::forward<_Args>(__args)...);
}
__catch(...)
{
__node->~_Rb_tree_node<_Val>();
_M_put_node(__node);
__throw_exception_again;
}
}
template<typename... _Args> template<typename... _Args>
_Link_type _Link_type
_M_create_node(_Args&&... __args) _M_create_node(_Args&&... __args)
{ {
_Link_type __tmp = _M_get_node(); _Link_type __tmp = _M_get_node();
__try _M_construct_node(__tmp, std::forward<_Args>(__args)...);
{
::new(__tmp) _Rb_tree_node<_Val>;
_Alloc_traits::construct(_M_get_Node_allocator(),
__tmp->_M_valptr(),
std::forward<_Args>(__args)...);
}
__catch(...)
{
_M_put_node(__tmp);
__throw_exception_again;
}
return __tmp; return __tmp;
} }
@ -437,23 +546,31 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ {
_Alloc_traits::destroy(_M_get_Node_allocator(), __p->_M_valptr()); _Alloc_traits::destroy(_M_get_Node_allocator(), __p->_M_valptr());
__p->~_Rb_tree_node<_Val>(); __p->~_Rb_tree_node<_Val>();
_M_put_node(__p);
} }
#endif #endif
_Link_type void
_M_clone_node(_Const_Link_type __x) _M_drop_node(_Link_type __p) _GLIBCXX_NOEXCEPT
{ {
_Link_type __tmp = _M_create_node(*__x->_M_valptr()); _M_destroy_node(__p);
__tmp->_M_color = __x->_M_color; _M_put_node(__p);
__tmp->_M_left = 0;
__tmp->_M_right = 0;
return __tmp;
} }
template<typename _NodeGen>
_Link_type
_M_clone_node(_Const_Link_type __x, _NodeGen& __node_gen)
{
_Link_type __tmp = __node_gen(*__x->_M_valptr());
__tmp->_M_color = __x->_M_color;
__tmp->_M_left = 0;
__tmp->_M_right = 0;
return __tmp;
}
protected: protected:
template<typename _Key_compare, // Unused _Is_pod_comparator is kept as it is part of mangled name.
bool _Is_pod_comparator = __is_pod(_Key_compare)> template<typename _Key_compare,
bool /* _Is_pod_comparator */ = __is_pod(_Key_compare)>
struct _Rb_tree_impl : public _Node_allocator struct _Rb_tree_impl : public _Node_allocator
{ {
_Key_compare _M_key_compare; _Key_compare _M_key_compare;
@ -477,6 +594,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ _M_initialize(); } { _M_initialize(); }
#endif #endif
void
_M_reset()
{
this->_M_header._M_parent = 0;
this->_M_header._M_left = &this->_M_header;
this->_M_header._M_right = &this->_M_header;
this->_M_node_count = 0;
}
private: private:
void void
_M_initialize() _M_initialize()
@ -605,9 +731,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
const key_type& __k); const key_type& __k);
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
template<typename _Arg> template<typename _Arg, typename _NodeGen>
iterator iterator
_M_insert_(_Base_ptr __x, _Base_ptr __y, _Arg&& __v); _M_insert_(_Base_ptr __x, _Base_ptr __y, _Arg&& __v, _NodeGen&);
iterator iterator
_M_insert_node(_Base_ptr __x, _Base_ptr __y, _Link_type __z); _M_insert_node(_Base_ptr __x, _Base_ptr __y, _Link_type __z);
@ -626,9 +752,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
iterator iterator
_M_insert_equal_lower_node(_Link_type __z); _M_insert_equal_lower_node(_Link_type __z);
#else #else
iterator template<typename _NodeGen>
_M_insert_(_Base_ptr __x, _Base_ptr __y, iterator
const value_type& __v); _M_insert_(_Base_ptr __x, _Base_ptr __y,
const value_type& __v, _NodeGen&);
// _GLIBCXX_RESOLVE_LIB_DEFECTS // _GLIBCXX_RESOLVE_LIB_DEFECTS
// 233. Insertion hints in associative containers. // 233. Insertion hints in associative containers.
@ -639,8 +766,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_insert_equal_lower(const value_type& __x); _M_insert_equal_lower(const value_type& __x);
#endif #endif
template<typename _NodeGen>
_Link_type
_M_copy(_Const_Link_type __x, _Link_type __p, _NodeGen&);
_Link_type _Link_type
_M_copy(_Const_Link_type __x, _Link_type __p); _M_copy(_Const_Link_type __x, _Link_type __p)
{
_Alloc_node __an(*this);
return _M_copy(__x, __p, __an);
}
void void
_M_erase(_Link_type __x); _M_erase(_Link_type __x);
@ -690,7 +825,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_Rb_tree(const _Rb_tree& __x, const allocator_type& __a) _Rb_tree(const _Rb_tree& __x, const allocator_type& __a)
: _M_impl(__x._M_impl._M_key_compare, _Node_allocator(__a)) : _M_impl(__x._M_impl._M_key_compare, _Node_allocator(__a))
{ {
if (__x._M_root() != 0) if (__x._M_root() != nullptr)
{ {
_M_root() = _M_copy(__x._M_begin(), _M_end()); _M_root() = _M_copy(__x._M_begin(), _M_end());
_M_leftmost() = _S_minimum(_M_root()); _M_leftmost() = _S_minimum(_M_root());
@ -794,13 +929,29 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
iterator iterator
_M_insert_equal(_Arg&& __x); _M_insert_equal(_Arg&& __x);
template<typename _Arg> template<typename _Arg, typename _NodeGen>
iterator iterator
_M_insert_unique_(const_iterator __position, _Arg&& __x); _M_insert_unique_(const_iterator __pos, _Arg&& __x, _NodeGen&);
template<typename _Arg> template<typename _Arg>
iterator iterator
_M_insert_equal_(const_iterator __position, _Arg&& __x); _M_insert_unique_(const_iterator __pos, _Arg&& __x)
{
_Alloc_node __an(*this);
return _M_insert_unique_(__pos, std::forward<_Arg>(__x), __an);
}
template<typename _Arg, typename _NodeGen>
iterator
_M_insert_equal_(const_iterator __pos, _Arg&& __x, _NodeGen&);
template<typename _Arg>
iterator
_M_insert_equal_(const_iterator __pos, _Arg&& __x)
{
_Alloc_node __an(*this);
return _M_insert_equal_(__pos, std::forward<_Arg>(__x), __an);
}
template<typename... _Args> template<typename... _Args>
pair<iterator, bool> pair<iterator, bool>
@ -824,11 +975,28 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
iterator iterator
_M_insert_equal(const value_type& __x); _M_insert_equal(const value_type& __x);
iterator template<typename _NodeGen>
_M_insert_unique_(const_iterator __position, const value_type& __x); iterator
_M_insert_unique_(const_iterator __pos, const value_type& __x,
_NodeGen&);
iterator iterator
_M_insert_equal_(const_iterator __position, const value_type& __x); _M_insert_unique_(const_iterator __pos, const value_type& __x)
{
_Alloc_node __an(*this);
return _M_insert_unique_(__pos, __x, __an);
}
template<typename _NodeGen>
iterator
_M_insert_equal_(const_iterator __pos, const value_type& __x,
_NodeGen&);
iterator
_M_insert_equal_(const_iterator __pos, const value_type& __x)
{
_Alloc_node __an(*this);
return _M_insert_equal_(__pos, __x, __an);
}
#endif #endif
template<typename _InputIterator> template<typename _InputIterator>
@ -908,10 +1076,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
clear() _GLIBCXX_NOEXCEPT clear() _GLIBCXX_NOEXCEPT
{ {
_M_erase(_M_begin()); _M_erase(_M_begin());
_M_leftmost() = _M_end(); _M_impl._M_reset();
_M_root() = 0;
_M_rightmost() = _M_end();
_M_impl._M_node_count = 0;
} }
// Set operations. // Set operations.
@ -951,8 +1116,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__rb_verify() const; __rb_verify() const;
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
bool _Rb_tree&
_M_move_assign(_Rb_tree&); operator=(_Rb_tree&&) noexcept(_Alloc_traits::_S_nothrow_move());
template<typename _Iterator>
void
_M_assign_unique(_Iterator, _Iterator);
template<typename _Iterator>
void
_M_assign_equal(_Iterator, _Iterator);
private: private:
// Move elements from container with equal allocator. // Move elements from container with equal allocator.
@ -1029,7 +1202,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
: _M_impl(__x._M_impl._M_key_compare, std::move(__a)) : _M_impl(__x._M_impl._M_key_compare, std::move(__a))
{ {
using __eq = integral_constant<bool, _Alloc_traits::_S_always_equal()>; using __eq = integral_constant<bool, _Alloc_traits::_S_always_equal()>;
if (__x._M_root() != 0) if (__x._M_root() != nullptr)
_M_move_data(__x, __eq()); _M_move_data(__x, __eq());
} }
@ -1062,7 +1235,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_move_data(__x, std::true_type()); _M_move_data(__x, std::true_type());
else else
{ {
_M_root() = _M_copy(__x._M_begin(), _M_end()); _Alloc_node __an(*this);
auto __lbd =
[&__an](const value_type& __cval)
{
auto& __val = const_cast<value_type&>(__cval);
return __an(std::move_if_noexcept(__val));
};
_M_root() = _M_copy(__x._M_begin(), _M_end(), __lbd);
_M_leftmost() = _S_minimum(_M_root()); _M_leftmost() = _S_minimum(_M_root());
_M_rightmost() = _S_maximum(_M_root()); _M_rightmost() = _S_maximum(_M_root());
_M_impl._M_node_count = __x._M_impl._M_node_count; _M_impl._M_node_count = __x._M_impl._M_node_count;
@ -1071,9 +1251,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
bool _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>:: _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
_M_move_assign(_Rb_tree& __x) operator=(_Rb_tree&& __x)
noexcept(_Alloc_traits::_S_nothrow_move())
{ {
_M_impl._M_key_compare = __x._M_impl._M_key_compare; _M_impl._M_key_compare = __x._M_impl._M_key_compare;
if (_Alloc_traits::_S_propagate_on_move_assign() if (_Alloc_traits::_S_propagate_on_move_assign()
@ -1081,14 +1262,59 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|| _M_get_Node_allocator() == __x._M_get_Node_allocator()) || _M_get_Node_allocator() == __x._M_get_Node_allocator())
{ {
clear(); clear();
if (__x._M_root() != 0) if (__x._M_root() != nullptr)
_M_move_data(__x, std::true_type()); _M_move_data(__x, std::true_type());
std::__alloc_on_move(_M_get_Node_allocator(), std::__alloc_on_move(_M_get_Node_allocator(),
__x._M_get_Node_allocator()); __x._M_get_Node_allocator());
return true; return *this;
} }
return false;
// Try to move each node reusing existing nodes and copying __x nodes
// structure.
_Reuse_or_alloc_node __roan(_M_impl._M_header, *this);
_M_impl._M_reset();
if (__x._M_root() != nullptr)
{
auto __lbd =
[&__roan](const value_type& __cval)
{
auto& __val = const_cast<value_type&>(__cval);
return __roan(std::move_if_noexcept(__val));
};
_M_root() = _M_copy(__x._M_begin(), _M_end(), __lbd);
_M_leftmost() = _S_minimum(_M_root());
_M_rightmost() = _S_maximum(_M_root());
_M_impl._M_node_count = __x._M_impl._M_node_count;
__x.clear();
}
return *this;
} }
template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc>
template<typename _Iterator>
void
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
_M_assign_unique(_Iterator __first, _Iterator __last)
{
_Reuse_or_alloc_node __roan(this->_M_impl._M_header, *this);
_M_impl._M_reset();
for (; __first != __last; ++__first)
_M_insert_unique_(end(), *__first, __roan);
}
template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc>
template<typename _Iterator>
void
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
_M_assign_equal(_Iterator __first, _Iterator __last)
{
_Reuse_or_alloc_node __roan(this->_M_impl._M_header, *this);
_M_impl._M_reset();
for (; __first != __last; ++__first)
_M_insert_equal_(end(), *__first, __roan);
}
#endif #endif
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
@ -1100,7 +1326,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (this != &__x) if (this != &__x)
{ {
// Note that _Key may be a constant type. // Note that _Key may be a constant type.
clear();
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
if (_Alloc_traits::_S_propagate_on_copy_assign()) if (_Alloc_traits::_S_propagate_on_copy_assign())
{ {
@ -1109,46 +1334,57 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (!_Alloc_traits::_S_always_equal() if (!_Alloc_traits::_S_always_equal()
&& __this_alloc != __that_alloc) && __this_alloc != __that_alloc)
{ {
// Replacement allocator cannot free existing storage, we need
// to erase nodes first.
clear();
std::__alloc_on_copy(__this_alloc, __that_alloc); std::__alloc_on_copy(__this_alloc, __that_alloc);
} }
} }
#endif #endif
_Reuse_or_alloc_node __roan(this->_M_impl._M_header, *this);
_M_impl._M_reset();
_M_impl._M_key_compare = __x._M_impl._M_key_compare; _M_impl._M_key_compare = __x._M_impl._M_key_compare;
if (__x._M_root() != 0) if (__x._M_root() != 0)
{ {
_M_root() = _M_copy(__x._M_begin(), _M_end()); _M_root() = _M_copy(__x._M_begin(), _M_end(), __roan);
_M_leftmost() = _S_minimum(_M_root()); _M_leftmost() = _S_minimum(_M_root());
_M_rightmost() = _S_maximum(_M_root()); _M_rightmost() = _S_maximum(_M_root());
_M_impl._M_node_count = __x._M_impl._M_node_count; _M_impl._M_node_count = __x._M_impl._M_node_count;
} }
} }
return *this; return *this;
} }
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
template<typename _Arg> template<typename _Arg, typename _NodeGen>
#endif
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
#if __cplusplus >= 201103L
_M_insert_(_Base_ptr __x, _Base_ptr __p, _Arg&& __v)
#else #else
_M_insert_(_Base_ptr __x, _Base_ptr __p, const _Val& __v) template<typename _NodeGen>
#endif #endif
{ typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
bool __insert_left = (__x != 0 || __p == _M_end() _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|| _M_impl._M_key_compare(_KeyOfValue()(__v), _M_insert_(_Base_ptr __x, _Base_ptr __p,
_S_key(__p))); #if __cplusplus >= 201103L
_Arg&& __v,
#else
const _Val& __v,
#endif
_NodeGen& __node_gen)
{
bool __insert_left = (__x != 0 || __p == _M_end()
|| _M_impl._M_key_compare(_KeyOfValue()(__v),
_S_key(__p)));
_Link_type __z = _M_create_node(_GLIBCXX_FORWARD(_Arg, __v)); _Link_type __z = __node_gen(_GLIBCXX_FORWARD(_Arg, __v));
_Rb_tree_insert_and_rebalance(__insert_left, __z, __p, _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
this->_M_impl._M_header); this->_M_impl._M_header);
++_M_impl._M_node_count; ++_M_impl._M_node_count;
return iterator(__z); return iterator(__z);
} }
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
@ -1200,40 +1436,41 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
} }
template<typename _Key, typename _Val, typename _KoV, template<typename _Key, typename _Val, typename _KoV,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
typename _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::_Link_type template<typename _NodeGen>
_Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>:: typename _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::_Link_type
_M_copy(_Const_Link_type __x, _Link_type __p) _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::
{ _M_copy(_Const_Link_type __x, _Link_type __p, _NodeGen& __node_gen)
// Structural copy. __x and __p must be non-null. {
_Link_type __top = _M_clone_node(__x); // Structural copy. __x and __p must be non-null.
__top->_M_parent = __p; _Link_type __top = _M_clone_node(__x, __node_gen);
__top->_M_parent = __p;
__try __try
{ {
if (__x->_M_right) if (__x->_M_right)
__top->_M_right = _M_copy(_S_right(__x), __top); __top->_M_right = _M_copy(_S_right(__x), __top, __node_gen);
__p = __top; __p = __top;
__x = _S_left(__x); __x = _S_left(__x);
while (__x != 0) while (__x != 0)
{ {
_Link_type __y = _M_clone_node(__x); _Link_type __y = _M_clone_node(__x, __node_gen);
__p->_M_left = __y; __p->_M_left = __y;
__y->_M_parent = __p; __y->_M_parent = __p;
if (__x->_M_right) if (__x->_M_right)
__y->_M_right = _M_copy(_S_right(__x), __y); __y->_M_right = _M_copy(_S_right(__x), __y, __node_gen);
__p = __y; __p = __y;
__x = _S_left(__x); __x = _S_left(__x);
} }
} }
__catch(...) __catch(...)
{ {
_M_erase(__top); _M_erase(__top);
__throw_exception_again; __throw_exception_again;
} }
return __top; return __top;
} }
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
@ -1246,7 +1483,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ {
_M_erase(_S_right(__x)); _M_erase(_S_right(__x));
_Link_type __y = _S_left(__x); _Link_type __y = _S_left(__x);
_M_destroy_node(__x); _M_drop_node(__x);
__x = __y; __x = __y;
} }
} }
@ -1394,10 +1631,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_leftmost() = __t._M_leftmost(); _M_leftmost() = __t._M_leftmost();
_M_rightmost() = __t._M_rightmost(); _M_rightmost() = __t._M_rightmost();
_M_root()->_M_parent = _M_end(); _M_root()->_M_parent = _M_end();
_M_impl._M_node_count = __t._M_impl._M_node_count;
__t._M_root() = 0; __t._M_impl._M_reset();
__t._M_leftmost() = __t._M_end();
__t._M_rightmost() = __t._M_end();
} }
} }
else if (__t._M_root() == 0) else if (__t._M_root() == 0)
@ -1406,10 +1642,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__t._M_leftmost() = _M_leftmost(); __t._M_leftmost() = _M_leftmost();
__t._M_rightmost() = _M_rightmost(); __t._M_rightmost() = _M_rightmost();
__t._M_root()->_M_parent = __t._M_end(); __t._M_root()->_M_parent = __t._M_end();
__t._M_impl._M_node_count = _M_impl._M_node_count;
_M_root() = 0; _M_impl._M_reset();
_M_leftmost() = _M_end();
_M_rightmost() = _M_end();
} }
else else
{ {
@ -1419,9 +1654,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_root()->_M_parent = _M_end(); _M_root()->_M_parent = _M_end();
__t._M_root()->_M_parent = __t._M_end(); __t._M_root()->_M_parent = __t._M_end();
std::swap(this->_M_impl._M_node_count, __t._M_impl._M_node_count);
} }
// No need to swap header's color as it does not change. // No need to swap header's color as it does not change.
std::swap(this->_M_impl._M_node_count, __t._M_impl._M_node_count);
std::swap(this->_M_impl._M_key_compare, __t._M_impl._M_key_compare); std::swap(this->_M_impl._M_key_compare, __t._M_impl._M_key_compare);
_Alloc_traits::_S_on_swap(_M_get_Node_allocator(), _Alloc_traits::_S_on_swap(_M_get_Node_allocator(),
@ -1500,9 +1735,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
= _M_get_insert_unique_pos(_KeyOfValue()(__v)); = _M_get_insert_unique_pos(_KeyOfValue()(__v));
if (__res.second) if (__res.second)
return _Res(_M_insert_(__res.first, __res.second, {
_GLIBCXX_FORWARD(_Arg, __v)), _Alloc_node __an(*this);
true); return _Res(_M_insert_(__res.first, __res.second,
_GLIBCXX_FORWARD(_Arg, __v), __an),
true);
}
return _Res(iterator(static_cast<_Link_type>(__res.first)), false); return _Res(iterator(static_cast<_Link_type>(__res.first)), false);
} }
@ -1522,7 +1760,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ {
pair<_Base_ptr, _Base_ptr> __res pair<_Base_ptr, _Base_ptr> __res
= _M_get_insert_equal_pos(_KeyOfValue()(__v)); = _M_get_insert_equal_pos(_KeyOfValue()(__v));
return _M_insert_(__res.first, __res.second, _GLIBCXX_FORWARD(_Arg, __v)); _Alloc_node __an(*this);
return _M_insert_(__res.first, __res.second,
_GLIBCXX_FORWARD(_Arg, __v), __an);
} }
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
@ -1587,22 +1827,27 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
template<typename _Arg> template<typename _Arg, typename _NodeGen>
#endif
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
#if __cplusplus >= 201103L
_M_insert_unique_(const_iterator __position, _Arg&& __v)
#else #else
_M_insert_unique_(const_iterator __position, const _Val& __v) template<typename _NodeGen>
#endif #endif
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
_M_insert_unique_(const_iterator __position,
#if __cplusplus >= 201103L
_Arg&& __v,
#else
const _Val& __v,
#endif
_NodeGen& __node_gen)
{ {
pair<_Base_ptr, _Base_ptr> __res pair<_Base_ptr, _Base_ptr> __res
= _M_get_insert_hint_unique_pos(__position, _KeyOfValue()(__v)); = _M_get_insert_hint_unique_pos(__position, _KeyOfValue()(__v));
if (__res.second) if (__res.second)
return _M_insert_(__res.first, __res.second, return _M_insert_(__res.first, __res.second,
_GLIBCXX_FORWARD(_Arg, __v)); _GLIBCXX_FORWARD(_Arg, __v),
__node_gen);
return iterator(static_cast<_Link_type>(__res.first)); return iterator(static_cast<_Link_type>(__res.first));
} }
@ -1664,25 +1909,30 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
typename _Compare, typename _Alloc> typename _Compare, typename _Alloc>
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
template<typename _Arg> template<typename _Arg, typename _NodeGen>
#endif
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
#if __cplusplus >= 201103L
_M_insert_equal_(const_iterator __position, _Arg&& __v)
#else #else
_M_insert_equal_(const_iterator __position, const _Val& __v) template<typename _NodeGen>
#endif #endif
{ typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
pair<_Base_ptr, _Base_ptr> __res _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
= _M_get_insert_hint_equal_pos(__position, _KeyOfValue()(__v)); _M_insert_equal_(const_iterator __position,
#if __cplusplus >= 201103L
_Arg&& __v,
#else
const _Val& __v,
#endif
_NodeGen& __node_gen)
{
pair<_Base_ptr, _Base_ptr> __res
= _M_get_insert_hint_equal_pos(__position, _KeyOfValue()(__v));
if (__res.second) if (__res.second)
return _M_insert_(__res.first, __res.second, return _M_insert_(__res.first, __res.second,
_GLIBCXX_FORWARD(_Arg, __v)); _GLIBCXX_FORWARD(_Arg, __v),
__node_gen);
return _M_insert_equal_lower(_GLIBCXX_FORWARD(_Arg, __v)); return _M_insert_equal_lower(_GLIBCXX_FORWARD(_Arg, __v));
} }
#if __cplusplus >= 201103L #if __cplusplus >= 201103L
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
@ -1751,12 +2001,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (__res.second) if (__res.second)
return _Res(_M_insert_node(__res.first, __res.second, __z), true); return _Res(_M_insert_node(__res.first, __res.second, __z), true);
_M_destroy_node(__z); _M_drop_node(__z);
return _Res(iterator(static_cast<_Link_type>(__res.first)), false); return _Res(iterator(static_cast<_Link_type>(__res.first)), false);
} }
__catch(...) __catch(...)
{ {
_M_destroy_node(__z); _M_drop_node(__z);
__throw_exception_again; __throw_exception_again;
} }
} }
@ -1777,7 +2027,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
} }
__catch(...) __catch(...)
{ {
_M_destroy_node(__z); _M_drop_node(__z);
__throw_exception_again; __throw_exception_again;
} }
} }
@ -1798,12 +2048,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (__res.second) if (__res.second)
return _M_insert_node(__res.first, __res.second, __z); return _M_insert_node(__res.first, __res.second, __z);
_M_destroy_node(__z); _M_drop_node(__z);
return iterator(static_cast<_Link_type>(__res.first)); return iterator(static_cast<_Link_type>(__res.first));
} }
__catch(...) __catch(...)
{ {
_M_destroy_node(__z); _M_drop_node(__z);
__throw_exception_again; __throw_exception_again;
} }
} }
@ -1828,7 +2078,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
} }
__catch(...) __catch(...)
{ {
_M_destroy_node(__z); _M_drop_node(__z);
__throw_exception_again; __throw_exception_again;
} }
} }
@ -1841,8 +2091,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>:: _Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>::
_M_insert_unique(_II __first, _II __last) _M_insert_unique(_II __first, _II __last)
{ {
_Alloc_node __an(*this);
for (; __first != __last; ++__first) for (; __first != __last; ++__first)
_M_insert_unique_(end(), *__first); _M_insert_unique_(end(), *__first, __an);
} }
template<typename _Key, typename _Val, typename _KoV, template<typename _Key, typename _Val, typename _KoV,
@ -1852,8 +2103,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>:: _Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>::
_M_insert_equal(_II __first, _II __last) _M_insert_equal(_II __first, _II __last)
{ {
_Alloc_node __an(*this);
for (; __first != __last; ++__first) for (; __first != __last; ++__first)
_M_insert_equal_(end(), *__first); _M_insert_equal_(end(), *__first, __an);
} }
template<typename _Key, typename _Val, typename _KeyOfValue, template<typename _Key, typename _Val, typename _KeyOfValue,
@ -1866,7 +2118,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static_cast<_Link_type>(_Rb_tree_rebalance_for_erase static_cast<_Link_type>(_Rb_tree_rebalance_for_erase
(const_cast<_Base_ptr>(__position._M_node), (const_cast<_Base_ptr>(__position._M_node),
this->_M_impl._M_header)); this->_M_impl._M_header));
_M_destroy_node(__y); _M_drop_node(__y);
--_M_impl._M_node_count; --_M_impl._M_node_count;
} }

View File

@ -59,9 +59,33 @@ void test02()
VERIFY(1 == v2.get_allocator().get_personality()); VERIFY(1 == v2.get_allocator().get_personality());
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<std::pair<const int, int>> alloc_type;
typedef std::map<int, int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1 = { { 0, 0 }, { 1, 1 } };
test_type v2 = { { 2, 2 }, { 3, 3 } };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
v1 = v2;
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

View File

@ -0,0 +1,55 @@
// Copyright (C) 2014 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.
//
// 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/>.
//
// { dg-options "-std=gnu++11" }
#include <map>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
void test01()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<std::pair<const int, int>> alloc_type;
typedef std::map<int, int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1;
v1 = { { 0, 0 }, { 1, 1 } };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
VERIFY( allocs != 0 );
VERIFY( constructs != 0 );
// Check no allocation on list initialization.
v1 = { { 4, 4 }, { 5, 5 } };
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main()
{
test01();
}

View File

@ -43,8 +43,8 @@ void test01()
v2 = { test_type::value_type{} }; v2 = { test_type::value_type{} };
v2 = std::move(v1); v2 = std::move(v1);
VERIFY(1 == v1.get_allocator().get_personality()); VERIFY( 1 == v1.get_allocator().get_personality() );
VERIFY(2 == v2.get_allocator().get_personality()); VERIFY( 2 == v2.get_allocator().get_personality() );
} }
void test02() void test02()
@ -60,14 +60,47 @@ void test02()
v2 = { test_type::value_type{} }; v2 = { test_type::value_type{} };
v2 = std::move(v1); v2 = std::move(v1);
VERIFY(0 == v1.get_allocator().get_personality()); VERIFY( 0 == v1.get_allocator().get_personality() );
VERIFY(1 == v2.get_allocator().get_personality()); VERIFY( 1 == v2.get_allocator().get_personality() );
VERIFY( it == v2.begin() ); VERIFY( it == v2.begin() );
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef propagating_allocator<std::pair<const int, int>, false,
tracker_allocator<std::pair<const int, int>>>
alloc_type;
typedef std::map<int, int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1(alloc_type(1));
v1 = { { 0, 0 }, { 1, 1 } };
test_type v2(alloc_type(2));
v2 = { { 2, 2 }, { 3, 3 } };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
// Check no allocation on move assignment with non propagating allocators.
v1 = std::move(v2);
VERIFY( 1 == v1.get_allocator().get_personality() );
VERIFY( 2 == v2.get_allocator().get_personality() );
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

View File

@ -59,9 +59,33 @@ void test02()
VERIFY(1 == v2.get_allocator().get_personality()); VERIFY(1 == v2.get_allocator().get_personality());
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<std::pair<const int, int>> alloc_type;
typedef std::multimap<int, int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1 = { { 1, 1 }, { 1, 1 } };
test_type v2 = { { 2, 2 }, { 2, 2 } };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
v1 = v2;
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

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@ -0,0 +1,55 @@
// Copyright (C) 2014 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.
//
// 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/>.
//
// { dg-options "-std=gnu++11" }
#include <map>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
void test01()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<std::pair<const int, int>> alloc_type;
typedef std::multimap<int, int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1;
v1 = { { 0, 0 }, { 0, 0 } };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
VERIFY( allocs != 0 );
VERIFY( constructs != 0 );
// Check no allocation on list initialization.
v1 = { { 1, 1 }, { 1, 1 } };
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main()
{
test01();
}

View File

@ -61,9 +61,42 @@ void test02()
VERIFY( it == v2.begin() ); VERIFY( it == v2.begin() );
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef propagating_allocator<std::pair<const int, int>, false,
tracker_allocator<std::pair<const int, int>>>
alloc_type;
typedef std::multimap<int, int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1(alloc_type(1));
v1 = { { 1, 1 }, { 1, 1 } };
test_type v2(alloc_type(2));
v2 = { { 2, 2 }, { 2, 2 } };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
// Check no allocation on move assignment with non propagating allocators.
v1 = std::move(v2);
VERIFY( 1 == v1.get_allocator().get_personality() );
VERIFY( 2 == v2.get_allocator().get_personality() );
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

View File

@ -57,9 +57,33 @@ void test02()
VERIFY(1 == v2.get_allocator().get_personality()); VERIFY(1 == v2.get_allocator().get_personality());
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<int> alloc_type;
typedef std::multiset<int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1 = { 0, 0 };
test_type v2 = { 1, 1 };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
v1 = v2;
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

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@ -0,0 +1,55 @@
// Copyright (C) 2014 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.
//
// 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/>.
//
// { dg-options "-std=gnu++11" }
#include <set>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
void test01()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<int> alloc_type;
typedef std::multiset<int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1;
v1 = { 0, 0 };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
VERIFY( allocs != 0 );
VERIFY( constructs != 0 );
// Check no allocation on list initialization.
v1 = { 1, 1 };
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main()
{
test01();
}

View File

@ -59,9 +59,40 @@ void test02()
VERIFY( it == v2.begin() ); VERIFY( it == v2.begin() );
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef propagating_allocator<int, false, tracker_allocator<int>> alloc_type;
typedef std::multiset<int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1(alloc_type(1));
v1 = { 0, 0 };
test_type v2(alloc_type(2));
v2 = { 2, 2 };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
// Check no allocation on move assignment with non propagating allocators.
v1 = std::move(v2);
VERIFY( 1 == v1.get_allocator().get_personality() );
VERIFY( 2 == v2.get_allocator().get_personality() );
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

View File

@ -57,9 +57,33 @@ void test02()
VERIFY(1 == v2.get_allocator().get_personality()); VERIFY(1 == v2.get_allocator().get_personality());
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<int> alloc_type;
typedef std::set<int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1 = { 0, 1 };
test_type v2 = { 2, 3 };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
v1 = v2;
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }

View File

@ -0,0 +1,55 @@
// Copyright (C) 2014 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.
//
// 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/>.
//
// { dg-options "-std=gnu++11" }
#include <set>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
void test01()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef tracker_allocator<int> alloc_type;
typedef std::set<int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1;
v1 = { 0, 1 };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
VERIFY( allocs != 0 );
VERIFY( constructs != 0 );
// Check no allocation on list initialization.
v1 = { 4, 5 };
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main()
{
test01();
}

View File

@ -59,9 +59,40 @@ void test02()
VERIFY( it == v2.begin() ); VERIFY( it == v2.begin() );
} }
void test03()
{
bool test __attribute__((unused)) = true;
using namespace __gnu_test;
typedef propagating_allocator<int, false, tracker_allocator<int>> alloc_type;
typedef std::set<int, std::less<int>, alloc_type> test_type;
tracker_allocator_counter::reset();
test_type v1(alloc_type(1));
v1 = { 0, 1 };
test_type v2(alloc_type(2));
v2 = { 2, 3 };
auto allocs = tracker_allocator_counter::get_allocation_count();
auto constructs = tracker_allocator_counter::get_construct_count();
// Check no allocation on move assignment with non propagating allocators.
v1 = std::move(v2);
VERIFY( 1 == v1.get_allocator().get_personality() );
VERIFY( 2 == v2.get_allocator().get_personality() );
VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}
int main() int main()
{ {
test01(); test01();
test02(); test02();
test03();
return 0; return 0;
} }