Added boost header

test/external/boost/python/bases.hpp

@@ -0,0 +1,68 @@
+// Copyright David Abrahams 2002.
+// Distributed under 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)
+#ifndef BASES_DWA2002321_HPP
+# define BASES_DWA2002321_HPP
+
+# include <boost/python/detail/prefix.hpp>
+# include <boost/type_traits/object_traits.hpp>
+# include <boost/python/detail/type_list.hpp>
+# include <boost/mpl/if.hpp>
+# include <boost/mpl/bool.hpp>
+# include <boost/preprocessor/enum_params_with_a_default.hpp>
+# include <boost/preprocessor/enum_params.hpp>
+
+namespace boost { namespace python { 
+
+# define BOOST_PYTHON_BASE_PARAMS BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, Base)
+
+  // A type list for specifying bases
+  template < BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PYTHON_MAX_BASES, typename Base, mpl::void_) >
+  struct bases : detail::type_list< BOOST_PYTHON_BASE_PARAMS >::type
+  {};
+
+  namespace detail
+  {
+# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+    template <class T> struct specifies_bases
+        : mpl::false_
+    {
+    };
+    
+    template < BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, class Base) >
+    struct specifies_bases< bases< BOOST_PYTHON_BASE_PARAMS > >
+        : mpl::true_
+    {
+    };
+# else
+    template < BOOST_PP_ENUM_PARAMS(BOOST_PYTHON_MAX_BASES, class Base) >
+    static char is_bases_helper(bases< BOOST_PYTHON_BASE_PARAMS > const&);
+    
+    static char (& is_bases_helper(...) )[256];
+
+    template <class T>
+    struct specifies_bases
+    {
+     private:
+        static typename add_reference<T>::type make();
+        BOOST_STATIC_CONSTANT(bool, non_ref = !is_reference<T>::value);
+     public:
+        BOOST_STATIC_CONSTANT(bool, value = non_ref & (sizeof(is_bases_helper(make())) == 1));
+        typedef mpl::bool_<value> type;
+    };
+# endif
+    template <class T, class Prev = bases<> >
+    struct select_bases
+        : mpl::if_<
+                specifies_bases<T>
+                , T
+                , Prev
+          >
+    {
+    };
+  }
+# undef BOOST_PYTHON_BASE_PARAMS
+}} // namespace boost::python
+
+#endif // BASES_DWA2002321_HPP