source: NonGTP/Boost/boost/preprocessor/detail/check.hpp @ 857

Revision 857, 2.2 KB checked in by igarcia, 19 years ago (diff)
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[857]1# /* **************************************************************************
2#  *                                                                          *
3#  *     (C) Copyright Paul Mensonides 2002.
4#  *     Distributed under the Boost Software License, Version 1.0. (See
5#  *     accompanying file LICENSE_1_0.txt or copy at
6#  *     http://www.boost.org/LICENSE_1_0.txt)
7#  *                                                                          *
8#  ************************************************************************** */
9#
10# /* See http://www.boost.org for most recent version. */
11#
12# ifndef BOOST_PREPROCESSOR_DETAIL_CHECK_HPP
13# define BOOST_PREPROCESSOR_DETAIL_CHECK_HPP
14#
15# include <boost/preprocessor/cat.hpp>
16# include <boost/preprocessor/config/config.hpp>
17#
18# /* BOOST_PP_CHECK */
19#
20# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
21#    define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_D(x, type)
22# else
23#    define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_OO((x, type))
24#    define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_D ## par
25# endif
26#
27# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() && ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC()
28#    define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, type x))
29#    define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
30#    define BOOST_PP_CHECK_2(res, _) res
31# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
32#    define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(type x)
33#    define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
34#    define BOOST_PP_CHECK_2(chk) BOOST_PP_CHECK_3((BOOST_PP_CHECK_RESULT_ ## chk))
35#    define BOOST_PP_CHECK_3(im) BOOST_PP_CHECK_5(BOOST_PP_CHECK_4 im)
36#    define BOOST_PP_CHECK_4(res, _) res
37#    define BOOST_PP_CHECK_5(res) res
38# else // DMC
39#    define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_OO((type x))
40#    define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_0 ## par
41#    define BOOST_PP_CHECK_0(chk) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, chk))
42#    define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
43#    define BOOST_PP_CHECK_2(res, _) res
44# endif
45#
46# define BOOST_PP_CHECK_RESULT_1 1, BOOST_PP_NIL
47#
48# endif
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