Chris@16: # /* **************************************************************************
Chris@16: #  *                                                                          *
Chris@16: #  *     (C) Copyright Paul Mensonides 2002.
Chris@16: #  *     Distributed under the Boost Software License, Version 1.0. (See
Chris@16: #  *     accompanying file LICENSE_1_0.txt or copy at
Chris@16: #  *     http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #  *                                                                          *
Chris@16: #  ************************************************************************** */
Chris@16: #
Chris@16: # /* See http://www.boost.org for most recent version. */
Chris@16: #
Chris@16: # ifndef BOOST_PREPROCESSOR_DETAIL_CHECK_HPP
Chris@16: # define BOOST_PREPROCESSOR_DETAIL_CHECK_HPP
Chris@16: #
Chris@16: # include <boost/preprocessor/cat.hpp>
Chris@16: # include <boost/preprocessor/config/config.hpp>
Chris@16: #
Chris@16: # /* BOOST_PP_CHECK */
Chris@16: #
Chris@16: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
Chris@16: #    define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_D(x, type)
Chris@16: # else
Chris@16: #    define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_OO((x, type))
Chris@16: #    define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_D ## par
Chris@16: # endif
Chris@16: #
Chris@16: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() && ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC()
Chris@16: #    define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, type x))
Chris@16: #    define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
Chris@16: #    define BOOST_PP_CHECK_2(res, _) res
Chris@16: # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
Chris@16: #    define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(type x)
Chris@16: #    define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
Chris@16: #    define BOOST_PP_CHECK_2(chk) BOOST_PP_CHECK_3((BOOST_PP_CHECK_RESULT_ ## chk))
Chris@16: #    define BOOST_PP_CHECK_3(im) BOOST_PP_CHECK_5(BOOST_PP_CHECK_4 im)
Chris@16: #    define BOOST_PP_CHECK_4(res, _) res
Chris@16: #    define BOOST_PP_CHECK_5(res) res
Chris@16: # else /* DMC */
Chris@16: #    define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_OO((type x))
Chris@16: #    define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_0 ## par
Chris@16: #    define BOOST_PP_CHECK_0(chk) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, chk))
Chris@16: #    define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
Chris@16: #    define BOOST_PP_CHECK_2(res, _) res
Chris@16: # endif
Chris@16: #
Chris@16: # define BOOST_PP_CHECK_RESULT_1 1, BOOST_PP_NIL
Chris@16: #
Chris@16: # endif