1 # /* ************************************************************************** 2 # * * 3 # * (C) Copyright Edward Diener 2014. 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_REMOVE_PARENS_HPP 13 #define BOOST_PREPROCESSOR_REMOVE_PARENS_HPP 14 15 #include <boost/preprocessor/config/config.hpp> 16 17 #if BOOST_PP_VARIADICS 18 19 #include <boost/preprocessor/control/iif.hpp> 20 #include <boost/preprocessor/facilities/identity.hpp> 21 #include <boost/preprocessor/punctuation/is_begin_parens.hpp> 22 #include <boost/preprocessor/tuple/enum.hpp> 23 24 #define BOOST_PP_REMOVE_PARENS(param) \ 25 BOOST_PP_IIF \ 26 ( \ 27 BOOST_PP_IS_BEGIN_PARENS(param), \ 28 BOOST_PP_REMOVE_PARENS_DO, \ 29 BOOST_PP_IDENTITY \ 30 ) \ 31 (param)() \ 32 /**/ 33 34 #define BOOST_PP_REMOVE_PARENS_DO(param) \ 35 BOOST_PP_IDENTITY(BOOST_PP_TUPLE_ENUM(param)) \ 36 /**/ 37 38 #endif /* BOOST_PP_VARIADICS */ 39 #endif /* BOOST_PREPROCESSOR_REMOVE_PARENS_HPP */ 40