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Diffstat (limited to 'boost/contract/detail/preprocessor/keyword/private.hpp')
-rw-r--r-- | boost/contract/detail/preprocessor/keyword/private.hpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/boost/contract/detail/preprocessor/keyword/private.hpp b/boost/contract/detail/preprocessor/keyword/private.hpp new file mode 100644 index 0000000000..2fc0d853f4 --- /dev/null +++ b/boost/contract/detail/preprocessor/keyword/private.hpp @@ -0,0 +1,35 @@ + +#ifndef BOOST_CONTRACT_DETAIL_PP_KEYWORD_PRIVATE_HPP_ +#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_PRIVATE_HPP_ + +// Copyright (C) 2008-2018 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). +// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html + +#include <boost/contract/detail/preprocessor/keyword/utility/is.hpp> +#include <boost/preprocessor/cat.hpp> + +/* PRIVATE */ + +// Must expand to a single comma `,` (not local macros, do not #undefine). +#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_PRIVATE_CAT_TO_COMMAprivate , + +// Must expand to empty `` (not local macros, do not #undefine). +#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_PRIVATE_CAT_TO_EMPTYprivate + +/* PUBLIC */ + +// Precondition: tokens must start with a token concatenable to a macro name +// (e.g., a literal or integral token). +#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_IS_PRIVATE(tokens) \ + BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS( \ + BOOST_CONTRACT_DETAIL_PP_KEYWORD_PRIVATE_CAT_TO_COMMA, tokens) + +// Precondition: tokens must start with `private` (this can be +// checked with `..._IS_PRIVATE` macro above). +#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_REMOVE_PRIVATE(tokens) \ + BOOST_PP_CAT(BOOST_CONTRACT_DETAIL_PP_KEYWORD_PRIVATE_CAT_TO_EMPTY, tokens) + +#endif // #include guard + |