Added boost header

test/external/boost/python/detail/referent_storage.hpp

@@ -0,0 +1,76 @@
+// 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 REFERENT_STORAGE_DWA200278_HPP
+# define REFERENT_STORAGE_DWA200278_HPP
+# include <boost/mpl/if.hpp>
+# include <cstddef>
+
+namespace boost { namespace python { namespace detail {
+
+struct alignment_dummy;
+typedef void (*function_ptr)();
+typedef int (alignment_dummy::*member_ptr);
+typedef int (alignment_dummy::*member_function_ptr)();
+
+# define BOOST_PYTHON_ALIGNER(T, n)                     \
+        typename mpl::if_c<                             \
+           sizeof(T) <= size, T, char>::type t##n
+
+// Storage for size bytes, aligned to all fundamental types no larger than size
+template <std::size_t size>
+union aligned_storage
+{
+    BOOST_PYTHON_ALIGNER(char, 0);
+    BOOST_PYTHON_ALIGNER(short, 1);
+    BOOST_PYTHON_ALIGNER(int, 2);
+    BOOST_PYTHON_ALIGNER(long, 3);
+    BOOST_PYTHON_ALIGNER(float, 4);
+    BOOST_PYTHON_ALIGNER(double, 5);
+    BOOST_PYTHON_ALIGNER(long double, 6);
+    BOOST_PYTHON_ALIGNER(void*, 7);
+    BOOST_PYTHON_ALIGNER(function_ptr, 8);
+    BOOST_PYTHON_ALIGNER(member_ptr, 9);
+    BOOST_PYTHON_ALIGNER(member_function_ptr, 10);
+    char bytes[size];
+};
+
+# undef BOOST_PYTHON_ALIGNER
+
+  // Compute the size of T's referent. We wouldn't need this at all,
+  // but sizeof() is broken in CodeWarriors <= 8.0
+  template <class T> struct referent_size;
+  
+# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+  
+  template <class T>
+  struct referent_size<T&>
+  {
+      BOOST_STATIC_CONSTANT(
+          std::size_t, value = sizeof(T));
+  };
+
+# else
+
+  template <class T> struct referent_size
+  {
+      static T f();
+      BOOST_STATIC_CONSTANT(std::size_t, value = sizeof(f()));
+  };
+  
+# endif
+
+// A metafunction returning a POD type which can store U, where T ==
+// U&. If T is not a reference type, returns a POD which can store T.
+template <class T>
+struct referent_storage
+{
+    typedef aligned_storage<
+        ::boost::python::detail::referent_size<T>::value
+    > type;
+};
+
+}}} // namespace boost::python::detail
+
+#endif // REFERENT_STORAGE_DWA200278_HPP