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Convert link error to compile-time error when using swap_nodes() and unlink() with any_hooks

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[SVN r47238]
This commit is contained in:
Ion Gaztañaga
2008-07-08 16:57:56 +00:00
parent cb7715bf44
commit 2d24b82cdf
1 changed files with 9 additions and 14 deletions
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23
include/boost/intrusive/detail/any_node_and_algorithms.hpp
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@@ -18,6 +18,7 @@
#include <boost/intrusive/detail/assert.hpp> #include <boost/intrusive/detail/assert.hpp>
#include <boost/intrusive/detail/pointer_to_other.hpp> #include <boost/intrusive/detail/pointer_to_other.hpp>
#include <cstddef> #include <cstddef>
#include <boost/intrusive/detail/mpl.hpp>
namespace boost { namespace boost {
namespace intrusive { namespace intrusive {
@@ -238,6 +239,10 @@ class any_node_traits
template<class VoidPointer> template<class VoidPointer>
class any_algorithms class any_algorithms
{ {
template <class T>
static void function_not_available_for_any_hooks(typename detail::enable_if<detail::is_same<T, bool> >::type)
{}
public: public:
typedef any_node<VoidPointer> node; typedef any_node<VoidPointer> node;
typedef typename boost::pointer_to_other typedef typename boost::pointer_to_other
@@ -269,28 +274,18 @@ class any_algorithms
static bool unique(const_node_ptr node) static bool unique(const_node_ptr node)
{ return 0 == node->node_ptr_1; } { return 0 == node->node_ptr_1; }
#if defined(__EDG__) && defined(__STD_STRICT_ANSI)
// For compilers checking the full source code at compile time, regardless
// of whether the code is instantiated or not, we turn the compile error
// below into a link error.
static void unlink(node_ptr);
static void swap_nodes(node_ptr l, node_ptr r);
#else
static void unlink(node_ptr) static void unlink(node_ptr)
{ {
//Auto-unlink hooks and unlink() call for safe hooks are not //Auto-unlink hooks and unlink() are not available for any hooks
//available for any hooks!!! any_algorithms<VoidPointer>::template function_not_available_for_any_hooks<node_ptr>();
any_algorithms<VoidPointer>::unlink_not_available_for_any_hooks();
} }
static void swap_nodes(node_ptr l, node_ptr r) static void swap_nodes(node_ptr l, node_ptr r)
{ {
//Any nodes have no swap_nodes capability because they don't know //Any nodes have no swap_nodes capability because they don't know
//what algorithm they must use from unlink them from the container //what algorithm they must use to unlink the node from the container
any_algorithms<VoidPointer>::swap_nodes_not_available_for_any_hooks(); any_algorithms<VoidPointer>::template function_not_available_for_any_hooks<node_ptr>();
} }
#endif
}; };
} //namespace intrusive } //namespace intrusive