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Diffstat (limited to 'boost/parameter/aux_/preprocessor/impl/for_each.hpp')
| -rw-r--r-- | boost/parameter/aux_/preprocessor/impl/for_each.hpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/boost/parameter/aux_/preprocessor/impl/for_each.hpp b/boost/parameter/aux_/preprocessor/impl/for_each.hpp new file mode 100644 index 0000000000..b6ece207f2 --- /dev/null +++ b/boost/parameter/aux_/preprocessor/impl/for_each.hpp @@ -0,0 +1,152 @@ +// 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 + |