ext-boost/boost/preprocessor/punctuation/detail/is_begin_parens.hpp
2014-12-07 23:50:51 +01:00

49 lines
1.9 KiB
C++

# /* **************************************************************************
# * *
# * (C) Copyright Edward Diener 2014.
# * Distributed under 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)
# * *
# ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
#ifndef BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
#define BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
#if BOOST_PP_VARIADICS_MSVC
#include <boost/preprocessor/facilities/empty.hpp>
#define BOOST_PP_DETAIL_VD_IBP_CAT(a, b) BOOST_PP_DETAIL_VD_IBP_CAT_I(a, b)
#define BOOST_PP_DETAIL_VD_IBP_CAT_I(a, b) BOOST_PP_DETAIL_VD_IBP_CAT_II(a ## b)
#define BOOST_PP_DETAIL_VD_IBP_CAT_II(res) res
#define BOOST_PP_DETAIL_IBP_SPLIT(i, ...) \
BOOST_PP_DETAIL_VD_IBP_CAT(BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(BOOST_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__),BOOST_PP_EMPTY()) \
/**/
#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1 1
#else
#define BOOST_PP_DETAIL_IBP_SPLIT(i, ...) \
BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(BOOST_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__) \
/**/
#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1
#endif /* BOOST_PP_VARIADICS_MSVC */
#define BOOST_PP_DETAIL_IBP_SPLIT_0(a, ...) a
#define BOOST_PP_DETAIL_IBP_SPLIT_1(a, ...) __VA_ARGS__
#define BOOST_PP_DETAIL_IBP_CAT(a, ...) BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(a,__VA_ARGS__)
#define BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__
#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_1 1,
#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_BOOST_PP_DETAIL_IBP_IS_VARIADIC_C 0,
#endif /* BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP */