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// Copyright Daniel Wallin 2005. // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_PARAMETER_AUX_PREPROCESSOR_IMPL_FOR_EACH_HPP #define BOOST_PARAMETER_AUX_PREPROCESSOR_IMPL_FOR_EACH_HPP #define BOOST_PARAMETER_AUX_PP_FOR_EACH_head_aux2(x, y) (x, y), ~ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_head_aux3(x, y, z) (x, y, z), ~ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_head_aux4(x, y, z, u) (x, y, z, u), ~ #define \ BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux_BOOST_PARAMETER_AUX_PP_FOR_EACH_END_S /**/ #include <boost/preprocessor/detail/split.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_SPLIT_FIRST(x) \ BOOST_PP_SPLIT(0, x) /**/ #include <boost/preprocessor/cat.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_head(n, x) \ BOOST_PP_SPLIT( \ 0 \ , BOOST_PP_CAT(BOOST_PARAMETER_AUX_PP_FOR_EACH_head_aux, n) x \ ) /**/ #include <boost/preprocessor/facilities/is_empty.hpp> #include <boost/preprocessor/logical/not.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux_check(x) \ BOOST_PP_NOT(BOOST_PP_IS_EMPTY( \ BOOST_PP_CAT(BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux_, x) \ )), ~ /**/ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux2(x, y) \ BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux_check(x) /**/ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux3(x, y, z) \ BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux_check(x) /**/ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux4(x, y, z, u) \ BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux_check(x) /**/ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux0(n, x) \ BOOST_PP_CAT(BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux, n) x /**/ #include <boost/preprocessor/tuple/elem.hpp> #if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred(r, state) \ BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_SPLIT_FIRST( \ BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux0( \ BOOST_PP_TUPLE_ELEM(5, 3, state) \ , BOOST_PP_TUPLE_ELEM(5, 0, state) \ ) \ ) /**/ #else // !(BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()) #define BOOST_PARAMETER_AUX_PP_FOR_EACH_pred(r, state) \ BOOST_PP_SPLIT( \ 0 \ , BOOST_PARAMETER_AUX_PP_FOR_EACH_pred_aux0( \ BOOST_PP_TUPLE_ELEM(5, 3, state) \ , BOOST_PP_TUPLE_ELEM(5, 0, state) \ ) \ ) /**/ #endif // BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() #include <boost/preprocessor/arithmetic/inc.hpp> #include <boost/preprocessor/tuple/eat.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_op(r, state) \ ( \ BOOST_PP_TUPLE_EAT(BOOST_PP_TUPLE_ELEM(5, 3, state)) \ BOOST_PP_TUPLE_ELEM(5, 0, state) \ , BOOST_PP_TUPLE_ELEM(5, 1, state) \ , BOOST_PP_TUPLE_ELEM(5, 2, state) \ , BOOST_PP_TUPLE_ELEM(5, 3, state) \ , BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(5, 4, state)) \ ) /**/ #define BOOST_PARAMETER_AUX_PP_FOR_EACH_macro(r, state) \ BOOST_PP_TUPLE_ELEM(5, 2, state)( \ r \ , BOOST_PP_TUPLE_ELEM(5, 4, state) \ , BOOST_PARAMETER_AUX_PP_FOR_EACH_head( \ BOOST_PP_TUPLE_ELEM(5, 3, state) \ , BOOST_PP_TUPLE_ELEM(5, 0, state) \ ) \ , BOOST_PP_TUPLE_ELEM(5, 1, state) \ ) /**/ #include <boost/preprocessor/punctuation/comma_if.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_build_end_sentinel(z, n, text) \ BOOST_PP_COMMA_IF(n) BOOST_PARAMETER_AUX_PP_FOR_EACH_END_S /**/ #include <boost/preprocessor/repetition/repeat.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_build_end_sentinel_tuple(arity) \ ( \ BOOST_PP_REPEAT( \ arity, BOOST_PARAMETER_AUX_PP_FOR_EACH_build_end_sentinel, _ \ ) \ ) /**/ #include <boost/preprocessor/repetition/for.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH_R(r, arity, list, data, macro) \ BOOST_PP_CAT(BOOST_PP_FOR_, r)( \ (list \ BOOST_PARAMETER_AUX_PP_FOR_EACH_build_end_sentinel_tuple(arity) \ , data \ , macro \ , arity \ , 0 \ ) \ , BOOST_PARAMETER_AUX_PP_FOR_EACH_pred \ , BOOST_PARAMETER_AUX_PP_FOR_EACH_op \ , BOOST_PARAMETER_AUX_PP_FOR_EACH_macro \ ) /**/ #include <boost/preprocessor/repetition/deduce_r.hpp> #define BOOST_PARAMETER_AUX_PP_FOR_EACH(arity, list, data, macro) \ BOOST_PARAMETER_AUX_PP_FOR_EACH_R( \ BOOST_PP_DEDUCE_R(), arity, list, data, macro \ ) /**/ #endif // include guard