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_AUX_PP_BIND_TRAITS_HPP_ 9 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_HPP_ 10 11 #include <boost/preprocessor/tuple/elem.hpp> 12 13 // PRIVATE // 14 15 // Non-this bind is 2-tuple `(name_without_type, name_with_type)`. 16 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_WITHOUT_TYPE_ 0 17 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_WITH_TYPE_ 1 18 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_MAX_ 2 19 20 // This bind is 1-typle `([type_] EMPTY)`. 21 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_THIS_TRAITS_INDEX_TYPE_ 0 22 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_THIS_TRAITS_INDEX_MAX_ 1 23 24 // PUBLIC // 25 26 // Expand: `[&] var_`. 27 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_VAR_WITHOUT_TYPE(bind_traits) \ 28 BOOST_PP_TUPLE_ELEM(BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_MAX_, \ 29 BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_WITHOUT_TYPE_, \ 30 bind_traits) 31 32 // Expand: `[type_ [&] var_]` (EMPTY if no type_ specified). 33 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_VAR_WITH_TYPE(bind_traits) \ 34 BOOST_PP_TUPLE_ELEM(BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_MAX_, \ 35 BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_INDEX_WITH_TYPE_, \ 36 bind_traits)(/* expand EMPTY */) 37 38 // Expand: `[type_]` (EMPTY if no type_ specified). 39 #define BOOST_LOCAL_FUNCTION_AUX_PP_BIND_TRAITS_THIS_TYPE(bind_this_traits) \ 40 BOOST_PP_TUPLE_ELEM( \ 41 BOOST_LOCAL_FUNCTION_AUX_PP_BIND_THIS_TRAITS_INDEX_MAX_, \ 42 BOOST_LOCAL_FUNCTION_AUX_PP_BIND_THIS_TRAITS_INDEX_TYPE_, \ 43 bind_this_traits)(/* expand EMPTY */) 44 45 #endif // #include guard 46 47