1 # /* ************************************************************************** 2 # * * 3 # * (C) Copyright Paul Mensonides 2002. 4 # * Distributed under the Boost Software License, Version 1.0. (See 5 # * accompanying file LICENSE_1_0.txt or copy at 6 # * http://www.boost.org/LICENSE_1_0.txt) 7 # * * 8 # ************************************************************************** */ 9 # 10 # /* See http://www.boost.org for most recent version. */ 11 # 12 # ifndef BOOST_PREPROCESSOR_SEQ_TRANSFORM_HPP 13 # define BOOST_PREPROCESSOR_SEQ_TRANSFORM_HPP 14 # 15 # include <boost/preprocessor/config/config.hpp> 16 # include <boost/preprocessor/seq/fold_left.hpp> 17 # include <boost/preprocessor/seq/seq.hpp> 18 # include <boost/preprocessor/tuple/elem.hpp> 19 # include <boost/preprocessor/tuple/rem.hpp> 20 # 21 # /* BOOST_PP_SEQ_TRANSFORM */ 22 # 23 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 24 # define BOOST_PP_SEQ_TRANSFORM(op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq))) 25 # else 26 # define BOOST_PP_SEQ_TRANSFORM(op, data, seq) BOOST_PP_SEQ_TRANSFORM_I(op, data, seq) 27 # define BOOST_PP_SEQ_TRANSFORM_I(op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq))) 28 # endif 29 # 30 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() 31 # define BOOST_PP_SEQ_TRANSFORM_O(s, state, elem) BOOST_PP_SEQ_TRANSFORM_O_IM(s, BOOST_PP_TUPLE_REM_3 state, elem) 32 # define BOOST_PP_SEQ_TRANSFORM_O_IM(s, im, elem) BOOST_PP_SEQ_TRANSFORM_O_I(s, im, elem) 33 # else 34 # define BOOST_PP_SEQ_TRANSFORM_O(s, state, elem) BOOST_PP_SEQ_TRANSFORM_O_I(s, BOOST_PP_TUPLE_ELEM(3, 0, state), BOOST_PP_TUPLE_ELEM(3, 1, state), BOOST_PP_TUPLE_ELEM(3, 2, state), elem) 35 # endif 36 # 37 # define BOOST_PP_SEQ_TRANSFORM_O_I(s, op, data, res, elem) (op, data, res (op(s, data, elem))) 38 # 39 # /* BOOST_PP_SEQ_TRANSFORM_S */ 40 # 41 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 42 # define BOOST_PP_SEQ_TRANSFORM_S(s, op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq))) 43 # else 44 # define BOOST_PP_SEQ_TRANSFORM_S(s, op, data, seq) BOOST_PP_SEQ_TRANSFORM_S_I(s, op, data, seq) 45 # define BOOST_PP_SEQ_TRANSFORM_S_I(s, op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq))) 46 # endif 47 # 48 # endif 49