| |
| // Copyright (C) 2009-2012 Lorenzo Caminiti |
| // Distributed under the Boost Software License, Version 1.0 |
| // (see accompanying file LICENSE_1_0.txt or a copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| // Home at http://www.boost.org/libs/local_function |
| |
| #ifndef BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_HPP_ |
| #define BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_HPP_ |
| |
| #include <boost/preprocessor/control/expr_iif.hpp> |
| #include <boost/preprocessor/logical/compl.hpp> |
| |
| // `is_front_macro(tokens)` is 1 if `tokens` start w/ `keyword` to add, else 0. |
| #define BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_FRONT( \ |
| tokens, is_front_macro, keyword) \ |
| BOOST_PP_EXPR_IIF(BOOST_PP_COMPL(is_front_macro(tokens)), keyword) tokens |
| |
| // `is_back_macro(tokens)` is 1 if `tokens` end with `keyword` to add, else 0. |
| #define BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_BACK( \ |
| tokens, is_back_macro, keyword) \ |
| tokens BOOST_PP_EXPR_IIF(BOOST_PP_COMPL(is_back_macro(tokens)), keyword) |
| |
| #endif // #include guard |
| |
