[ceph.git] / ceph / src / boost / libs / local_function / include / boost / local_function / detail / preprocessor / keyword / facility / add.hpp


// 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
Commit	Line	Data
7c673cae FG	1
	2	// Copyright (C) 2009-2012 Lorenzo Caminiti
	3	// Distributed under the Boost Software License, Version 1.0
	4	// (see accompanying file LICENSE_1_0.txt or a copy at
	5	// http://www.boost.org/LICENSE_1_0.txt)
	6	// Home at http://www.boost.org/libs/local_function
	7
	8	#ifndef BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_HPP_
	9	#define BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_HPP_
	10
	11	#include <boost/preprocessor/control/expr_iif.hpp>
	12	#include <boost/preprocessor/logical/compl.hpp>
	13
	14	// `is_front_macro(tokens)` is 1 if `tokens` start w/ `keyword` to add, else 0.
	15	#define BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_FRONT( \
	16	tokens, is_front_macro, keyword) \
	17	BOOST_PP_EXPR_IIF(BOOST_PP_COMPL(is_front_macro(tokens)), keyword) tokens
	18
	19	// `is_back_macro(tokens)` is 1 if `tokens` end with `keyword` to add, else 0.
	20	#define BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_FACILITY_ADD_BACK( \
	21	tokens, is_back_macro, keyword) \
	22	tokens BOOST_PP_EXPR_IIF(BOOST_PP_COMPL(is_back_macro(tokens)), keyword)
	23
	24	#endif // #include guard
	25