| Jeff Thompson | f7d4994 | 2013-08-01 16:47:40 -0700 | [diff] [blame^] | 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 |