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authorChanho Park <chanho61.park@samsung.com>2014-12-11 18:55:56 +0900
committerChanho Park <chanho61.park@samsung.com>2014-12-11 18:55:56 +0900
commit08c1e93fa36a49f49325a07fe91ff92c964c2b6c (patch)
tree7a7053ceb8874b28ec4b868d4c49b500008a102e /boost/intrusive/detail/generic_hook.hpp
parentbb4dd8289b351fae6b55e303f189127a394a1edd (diff)
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Imported Upstream version 1.57.0upstream/1.57.0
Diffstat (limited to 'boost/intrusive/detail/generic_hook.hpp')
-rw-r--r--boost/intrusive/detail/generic_hook.hpp198
1 files changed, 103 insertions, 95 deletions
diff --git a/boost/intrusive/detail/generic_hook.hpp b/boost/intrusive/detail/generic_hook.hpp
index 5ddd52074e..c5af081d65 100644
--- a/boost/intrusive/detail/generic_hook.hpp
+++ b/boost/intrusive/detail/generic_hook.hpp
@@ -1,6 +1,6 @@
/////////////////////////////////////////////////////////////////////////////
//
-// (C) Copyright Ion Gaztanaga 2007-2012
+// (C) Copyright Ion Gaztanaga 2007-2013
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
@@ -13,139 +13,147 @@
#ifndef BOOST_INTRUSIVE_GENERIC_HOOK_HPP
#define BOOST_INTRUSIVE_GENERIC_HOOK_HPP
-#include <boost/intrusive/detail/config_begin.hpp>
-#include <boost/intrusive/intrusive_fwd.hpp>
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
#include <boost/intrusive/pointer_traits.hpp>
#include <boost/intrusive/link_mode.hpp>
-#include <boost/intrusive/detail/utilities.hpp>
#include <boost/intrusive/detail/mpl.hpp>
-#include <boost/intrusive/pointer_traits.hpp>
+#include <boost/intrusive/detail/assert.hpp>
+#include <boost/intrusive/detail/node_holder.hpp>
#include <boost/static_assert.hpp>
namespace boost {
namespace intrusive {
-namespace detail {
/// @cond
-enum
-{ NoBaseHook
-, ListBaseHook
-, SlistBaseHook
-, SetBaseHook
-, UsetBaseHook
-, SplaySetBaseHook
-, AvlSetBaseHook
-, BsSetBaseHook
-, AnyBaseHook
-};
-
-struct no_default_definer{};
+namespace detail {
-template <class Hook, unsigned int>
-struct default_definer;
+template <link_mode_type LinkMode>
+struct link_dispatch
+{};
+
+template<class Hook>
+void destructor_impl(Hook &hook, detail::link_dispatch<safe_link>)
+{ //If this assertion raises, you might have destroyed an object
+ //while it was still inserted in a container that is alive.
+ //If so, remove the object from the container before destroying it.
+ (void)hook; BOOST_INTRUSIVE_SAFE_HOOK_DESTRUCTOR_ASSERT(!hook.is_linked());
+}
+
+template<class Hook>
+void destructor_impl(Hook &hook, detail::link_dispatch<auto_unlink>)
+{ hook.unlink(); }
+
+template<class Hook>
+void destructor_impl(Hook &, detail::link_dispatch<normal_link>)
+{}
+
+} //namespace detail {
+
+enum base_hook_type
+{ NoBaseHookId
+, ListBaseHookId
+, SlistBaseHookId
+, RbTreeBaseHookId
+, HashBaseHookId
+, AvlTreeBaseHookId
+, BsTreeBaseHookId
+, TreapTreeBaseHookId
+, AnyBaseHookId
+};
-template <class Hook>
-struct default_definer<Hook, ListBaseHook>
-{ typedef Hook default_list_hook; };
-template <class Hook>
-struct default_definer<Hook, SlistBaseHook>
-{ typedef Hook default_slist_hook; };
+template <class HookTags, unsigned int>
+struct hook_tags_definer{};
-template <class Hook>
-struct default_definer<Hook, SetBaseHook>
-{ typedef Hook default_set_hook; };
+template <class HookTags>
+struct hook_tags_definer<HookTags, ListBaseHookId>
+{ typedef HookTags default_list_hook; };
-template <class Hook>
-struct default_definer<Hook, UsetBaseHook>
-{ typedef Hook default_uset_hook; };
+template <class HookTags>
+struct hook_tags_definer<HookTags, SlistBaseHookId>
+{ typedef HookTags default_slist_hook; };
-template <class Hook>
-struct default_definer<Hook, SplaySetBaseHook>
-{ typedef Hook default_splay_set_hook; };
+template <class HookTags>
+struct hook_tags_definer<HookTags, RbTreeBaseHookId>
+{ typedef HookTags default_rbtree_hook; };
-template <class Hook>
-struct default_definer<Hook, AvlSetBaseHook>
-{ typedef Hook default_avl_set_hook; };
+template <class HookTags>
+struct hook_tags_definer<HookTags, HashBaseHookId>
+{ typedef HookTags default_hashtable_hook; };
-template <class Hook>
-struct default_definer<Hook, BsSetBaseHook>
-{ typedef Hook default_bs_set_hook; };
+template <class HookTags>
+struct hook_tags_definer<HookTags, AvlTreeBaseHookId>
+{ typedef HookTags default_avltree_hook; };
-template <class Hook>
-struct default_definer<Hook, AnyBaseHook>
-{ typedef Hook default_any_hook; };
+template <class HookTags>
+struct hook_tags_definer<HookTags, BsTreeBaseHookId>
+{ typedef HookTags default_bstree_hook; };
-template <class Hook, unsigned int BaseHookType>
-struct make_default_definer
-{
- typedef typename detail::if_c
- < BaseHookType != 0
- , default_definer<Hook, BaseHookType>
- , no_default_definer>::type type;
-};
+template <class HookTags>
+struct hook_tags_definer<HookTags, AnyBaseHookId>
+{ typedef HookTags default_any_hook; };
template
- < class GetNodeAlgorithms
+ < class NodeTraits
, class Tag
, link_mode_type LinkMode
- , int HookType
+ , base_hook_type BaseHookType
>
-struct make_node_holder
+struct hooktags_impl
{
- typedef typename detail::if_c
- <!detail::is_same<Tag, member_tag>::value
- , detail::node_holder
- < typename GetNodeAlgorithms::type::node
- , Tag
- , LinkMode
- , HookType>
- , typename GetNodeAlgorithms::type::node
- >::type type;
+ static const link_mode_type link_mode = LinkMode;
+ typedef Tag tag;
+ typedef NodeTraits node_traits;
+ static const bool is_base_hook = !detail::is_same<Tag, member_tag>::value;
+ static const bool safemode_or_autounlink = is_safe_autounlink<link_mode>::value;
+ static const unsigned int type = BaseHookType;
};
/// @endcond
template
- < class GetNodeAlgorithms
+ < class NodeAlgorithms
, class Tag
, link_mode_type LinkMode
- , int HookType
+ , base_hook_type BaseHookType
>
class generic_hook
/// @cond
-
- //If the hook is a base hook, derive generic hook from detail::node_holder
+ //If the hook is a base hook, derive generic hook from node_holder
//so that a unique base class is created to convert from the node
- //to the type. This mechanism will be used by base_hook_traits.
+ //to the type. This mechanism will be used by bhtraits.
//
//If the hook is a member hook, generic hook will directly derive
//from the hook.
- : public make_default_definer
- < generic_hook<GetNodeAlgorithms, Tag, LinkMode, HookType>
- , detail::is_same<Tag, default_tag>::value*HookType
+ : public detail::if_c
+ < detail::is_same<Tag, member_tag>::value
+ , typename NodeAlgorithms::node
+ , node_holder<typename NodeAlgorithms::node, Tag, BaseHookType>
>::type
- , public make_node_holder<GetNodeAlgorithms, Tag, LinkMode, HookType>::type
+ //If this is the a default-tagged base hook derive from a class that
+ //will define an special internal typedef. Containers will be able to detect this
+ //special typedef and obtain generic_hook's internal types in order to deduce
+ //value_traits for this hook.
+ , public hook_tags_definer
+ < generic_hook<NodeAlgorithms, Tag, LinkMode, BaseHookType>
+ , detail::is_same<Tag, default_tag>::value*BaseHookType>
/// @endcond
{
/// @cond
- typedef typename GetNodeAlgorithms::type node_algorithms;
+ typedef NodeAlgorithms node_algorithms;
typedef typename node_algorithms::node node;
typedef typename node_algorithms::node_ptr node_ptr;
typedef typename node_algorithms::const_node_ptr const_node_ptr;
public:
- struct boost_intrusive_tags
- {
- static const int hook_type = HookType;
- static const link_mode_type link_mode = LinkMode;
- typedef Tag tag;
- typedef typename GetNodeAlgorithms::type::node_traits node_traits;
- static const bool is_base_hook = !detail::is_same<Tag, member_tag>::value;
- static const bool safemode_or_autounlink =
- (int)link_mode == (int)auto_unlink || (int)link_mode == (int)safe_link;
- };
+
+ typedef hooktags_impl
+ < typename NodeAlgorithms::node_traits
+ , Tag, LinkMode, BaseHookType> hooktags;
node_ptr this_ptr()
{ return pointer_traits<node_ptr>::pointer_to(static_cast<node&>(*this)); }
@@ -158,14 +166,14 @@ class generic_hook
generic_hook()
{
- if(boost_intrusive_tags::safemode_or_autounlink){
+ if(hooktags::safemode_or_autounlink){
node_algorithms::init(this->this_ptr());
}
}
generic_hook(const generic_hook& )
{
- if(boost_intrusive_tags::safemode_or_autounlink){
+ if(hooktags::safemode_or_autounlink){
node_algorithms::init(this->this_ptr());
}
}
@@ -176,7 +184,7 @@ class generic_hook
~generic_hook()
{
destructor_impl
- (*this, detail::link_dispatch<boost_intrusive_tags::link_mode>());
+ (*this, detail::link_dispatch<hooktags::link_mode>());
}
void swap_nodes(generic_hook &other)
@@ -188,22 +196,22 @@ class generic_hook
bool is_linked() const
{
//is_linked() can be only used in safe-mode or auto-unlink
- BOOST_STATIC_ASSERT(( boost_intrusive_tags::safemode_or_autounlink ));
+ BOOST_STATIC_ASSERT(( hooktags::safemode_or_autounlink ));
return !node_algorithms::unique(this->this_ptr());
}
void unlink()
{
- BOOST_STATIC_ASSERT(( (int)boost_intrusive_tags::link_mode == (int)auto_unlink ));
- node_algorithms::unlink(this->this_ptr());
- node_algorithms::init(this->this_ptr());
+ BOOST_STATIC_ASSERT(( (int)hooktags::link_mode == (int)auto_unlink ));
+ node_ptr n(this->this_ptr());
+ if(!node_algorithms::inited(n)){
+ node_algorithms::unlink(n);
+ node_algorithms::init(n);
+ }
}
};
-} //namespace detail
} //namespace intrusive
} //namespace boost
-#include <boost/intrusive/detail/config_end.hpp>
-
#endif //BOOST_INTRUSIVE_GENERIC_HOOK_HPP