EQStream abstraction layer

libs/luabind/luabind/detail/conversion_storage.hpp

@@ -0,0 +1,41 @@
+// Copyright Daniel Wallin 2008. Use, modification and distribution is
+// 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)
+
+#ifndef LUABIND_CONVERSION_STORAGE_080930_HPP
+# define LUABIND_CONVERSION_STORAGE_080930_HPP
+
+# include <luabind/config.hpp>
+# include <boost/aligned_storage.hpp>
+
+namespace luabind { namespace detail {
+
+typedef void(*destruction_function)(void*);
+
+// This is used by the converters in policy.hpp, and
+// class_rep::convert_to as temporary storage when constructing
+// holders.
+
+struct conversion_storage
+{
+    conversion_storage()
+      : destructor(0)
+    {}
+
+    ~conversion_storage()
+    {
+        if (destructor)
+            destructor(&data);
+    }
+
+    // Unfortunately the converters currently doesn't have access to
+    // the actual type being converted when this is instantiated, so
+    // we have to guess a max size.
+    boost::aligned_storage<128> data;
+    destruction_function destructor;
+};
+
+}} // namespace luabind::detail
+
+#endif // LUABIND_CONVERSION_STORAGE_080930_HPP
+