-// (C) Copyright Daniel Frey and Robert Ramey 2009.\r
-// Use, modification and distribution are subject to the Boost Software License,\r
-// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at\r
-// http://www.boost.org/LICENSE_1_0.txt).\r
-//\r
-// See http://www.boost.org/libs/type_traits for most recent version including documentation.\r
- \r
-#ifndef BOOST_TT_IS_VIRTUAL_BASE_OF_HPP_INCLUDED\r
-#define BOOST_TT_IS_VIRTUAL_BASE_OF_HPP_INCLUDED\r
-\r
-#include <boost/type_traits/is_base_of.hpp>\r
-#include <boost/type_traits/is_same.hpp>\r
-#include <boost/mpl/and.hpp>\r
-#include <boost/mpl/not.hpp>\r
-\r
-// should be the last #include\r
-#include <boost/type_traits/detail/bool_trait_def.hpp>\r
-\r
-namespace boost {\r
-namespace detail {\r
-\r
-\r
-#ifdef BOOST_MSVC\r
-#pragma warning( push )\r
-#pragma warning( disable : 4584 )\r
-#elif defined __GNUC__\r
-#pragma GCC system_header\r
-#endif\r
-\r
-template<typename Base, typename Derived, typename tag>\r
-struct is_virtual_base_of_impl\r
-{\r
- BOOST_STATIC_CONSTANT(bool, value = false);\r
-};\r
-\r
-template<typename Base, typename Derived>\r
-struct is_virtual_base_of_impl<Base, Derived, mpl::true_>\r
-{\r
-#ifdef __BORLANDC__\r
- struct X : public virtual Derived, public virtual Base \r
- {\r
- X();\r
- X(const X&);\r
- X& operator=(const X&);\r
- ~X()throw();\r
- };\r
- struct Y : public virtual Derived \r
- {\r
- Y();\r
- Y(const Y&);\r
- Y& operator=(const Y&);\r
- ~Y()throw();\r
- };\r
-#else\r
- struct X : Derived, virtual Base \r
- {\r
- X();\r
- X(const X&);\r
- X& operator=(const X&);\r
- ~X()throw();\r
- };\r
- struct Y : Derived \r
- {\r
- Y();\r
- Y(const Y&);\r
- Y& operator=(const Y&);\r
- ~Y()throw();\r
- };\r
-#endif\r
- BOOST_STATIC_CONSTANT(bool, value = (sizeof(X)==sizeof(Y)));\r
-};\r
-\r
-template<typename Base, typename Derived>\r
-struct is_virtual_base_of_impl2\r
-{\r
- typedef typename mpl::and_<is_base_of<Base, Derived>, mpl::not_<is_same<Base, Derived> > >::type tag_type;\r
- typedef is_virtual_base_of_impl<Base, Derived, tag_type> imp;\r
- BOOST_STATIC_CONSTANT(bool, value = imp::value);\r
-};\r
-\r
-#ifdef BOOST_MSVC\r
-#pragma warning( pop )\r
-#endif\r
-\r
-} // namespace detail\r
-\r
-BOOST_TT_AUX_BOOL_TRAIT_DEF2(\r
- is_virtual_base_of\r
- , Base\r
- , Derived\r
- , (::boost::detail::is_virtual_base_of_impl2<Base,Derived>::value) \r
-)\r
-\r
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION\r
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(typename Base,typename Derived,is_virtual_base_of,Base&,Derived,false)\r
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(typename Base,typename Derived,is_virtual_base_of,Base,Derived&,false)\r
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(typename Base,typename Derived,is_virtual_base_of,Base&,Derived&,false)\r
-#endif\r
-\r
-} // namespace boost\r
-\r
-#include <boost/type_traits/detail/bool_trait_undef.hpp>\r
-\r
-#endif\r
+// (C) Copyright Daniel Frey and Robert Ramey 2009.
+// Use, modification and distribution are subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt).
+//
+// See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_IS_VIRTUAL_BASE_OF_HPP_INCLUDED
+#define BOOST_TT_IS_VIRTUAL_BASE_OF_HPP_INCLUDED
+
+#include <boost/type_traits/is_base_of.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/not.hpp>
+
+// should be the last #include
+#include <boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace boost {
+namespace detail {
+
+
+#ifdef BOOST_MSVC
+#pragma warning( push )
+#pragma warning( disable : 4584 )
+#elif defined __GNUC__
+#pragma GCC system_header
+#endif
+
+template<typename Base, typename Derived, typename tag>
+struct is_virtual_base_of_impl
+{
+ BOOST_STATIC_CONSTANT(bool, value = false);
+};
+
+template<typename Base, typename Derived>
+struct is_virtual_base_of_impl<Base, Derived, mpl::true_>
+{
+#ifdef __BORLANDC__
+ struct X : public virtual Derived, public virtual Base
+ {
+ X();
+ X(const X&);
+ X& operator=(const X&);
+ ~X()throw();
+ };
+ struct Y : public virtual Derived
+ {
+ Y();
+ Y(const Y&);
+ Y& operator=(const Y&);
+ ~Y()throw();
+ };
+#else
+ struct X : Derived, virtual Base
+ {
+ X();
+ X(const X&);
+ X& operator=(const X&);
+ ~X()throw();
+ };
+ struct Y : Derived
+ {
+ Y();
+ Y(const Y&);
+ Y& operator=(const Y&);
+ ~Y()throw();
+ };
+#endif
+ BOOST_STATIC_CONSTANT(bool, value = (sizeof(X)==sizeof(Y)));
+};
+
+template<typename Base, typename Derived>
+struct is_virtual_base_of_impl2
+{
+ typedef typename mpl::and_<is_base_of<Base, Derived>, mpl::not_<is_same<Base, Derived> > >::type tag_type;
+ typedef is_virtual_base_of_impl<Base, Derived, tag_type> imp;
+ BOOST_STATIC_CONSTANT(bool, value = imp::value);
+};
+
+#ifdef BOOST_MSVC
+#pragma warning( pop )
+#endif
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF2(
+ is_virtual_base_of
+ , Base
+ , Derived
+ , (::boost::detail::is_virtual_base_of_impl2<Base,Derived>::value)
+)
+
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(typename Base,typename Derived,is_virtual_base_of,Base&,Derived,false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(typename Base,typename Derived,is_virtual_base_of,Base,Derived&,false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(typename Base,typename Derived,is_virtual_base_of,Base&,Derived&,false)
+#endif
+
+} // namespace boost
+
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif