initial revision

[SVN r15203]

include/boost/preprocessor/facilities/expand.hpp

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+# /* Copyright (C) 2001
+#  * Housemarque Oy
+#  * http://www.housemarque.com
+#  *
+#  * Permission to copy, use, modify, sell and distribute this software is
+#  * granted provided this copyright notice appears in all copies. This
+#  * software is provided "as is" without express or implied warranty, and
+#  * with no claim as to its suitability for any purpose.
+#  */
+#
+# /* Revised by Paul Mensonides (2002) */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_FACILITIES_EXPAND_HPP
+# define BOOST_PREPROCESSOR_FACILITIES_EXPAND_HPP
+#
+# include <boost/preprocessor/config/config.hpp>
+#
+# /* BOOST_PP_EXPAND */
+#
+# if BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_IDEAL
+#    define BOOST_PP_EXPAND(x) x
+# else
+#    if ~BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_MWCW
+#        define BOOST_PP_EXPAND(x) BOOST_PP_EXPAND_D(x)
+#    else
+#        define BOOST_PP_EXPAND(x) BOOST_PP_EVIL_EXPAND_D((x))
+#        define BOOST_PP_EVIL_EXPAND_D(par) BOOST_PP_EXPAND_D ## par
+#    endif
+#    define BOOST_PP_EXPAND_D(x) x
+# endif
+#
+# endif