compiler/boost/preprocessor/list/transform.hpp

   1 # /* Copyright (C) 2001
   2 #  * Housemarque Oy
   3 #  * http://www.housemarque.com
   4 #  *
   5 #  * Distributed under the Boost Software License, Version 1.0. (See
   6 #  * accompanying file LICENSE_1_0.txt or copy at
   7 #  * http://www.boost.org/LICENSE_1_0.txt)
   8 #  */
   9 #
  10 # /* Revised by Paul Mensonides (2002) */
  11 #
  12 # /* See http://www.boost.org for most recent version. */
  13 #
  14 # ifndef BOOST_PREPROCESSOR_LIST_TRANSFORM_HPP
  15 # define BOOST_PREPROCESSOR_LIST_TRANSFORM_HPP
  16 #
  17 # include <boost/preprocessor/config/config.hpp>
  18 # include <boost/preprocessor/list/fold_right.hpp>
  19 # include <boost/preprocessor/tuple/elem.hpp>
  20 # include <boost/preprocessor/tuple/rem.hpp>
  21 #
  22 # /* BOOST_PP_LIST_TRANSFORM */
  23 #
  24 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  25 #    define BOOST_PP_LIST_TRANSFORM(op, data, list) BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_LIST_FOLD_RIGHT(BOOST_PP_LIST_TRANSFORM_O, (op, data, BOOST_PP_NIL), list))
  26 # else
  27 #    define BOOST_PP_LIST_TRANSFORM(op, data, list) BOOST_PP_LIST_TRANSFORM_I(op, data, list)
  28 #    define BOOST_PP_LIST_TRANSFORM_I(op, data, list) BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_LIST_FOLD_RIGHT(BOOST_PP_LIST_TRANSFORM_O, (op, data, BOOST_PP_NIL), list))
  29 # endif
  30 #
  31 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  32 #    define BOOST_PP_LIST_TRANSFORM_O(d, odr, elem) BOOST_PP_LIST_TRANSFORM_O_D(d, BOOST_PP_TUPLE_ELEM(3, 0, odr), BOOST_PP_TUPLE_ELEM(3, 1, odr), BOOST_PP_TUPLE_ELEM(3, 2, odr), elem)
  33 # else
  34 #    define BOOST_PP_LIST_TRANSFORM_O(d, odr, elem) BOOST_PP_LIST_TRANSFORM_O_I(d, BOOST_PP_TUPLE_REM_3 odr, elem)
  35 #    define BOOST_PP_LIST_TRANSFORM_O_I(d, im, elem) BOOST_PP_LIST_TRANSFORM_O_D(d, im, elem)
  36 # endif
  37 #
  38 # define BOOST_PP_LIST_TRANSFORM_O_D(d, op, data, res, elem) (op, data, (op(d, data, elem), res))
  39 #
  40 # /* BOOST_PP_LIST_TRANSFORM_D */
  41 #
  42 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  43 #    define BOOST_PP_LIST_TRANSFORM_D(d, op, data, list) BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_LIST_FOLD_RIGHT_ ## d(BOOST_PP_LIST_TRANSFORM_O, (op, data, BOOST_PP_NIL), list))
  44 # else
  45 #    define BOOST_PP_LIST_TRANSFORM_D(d, op, data, list) BOOST_PP_LIST_TRANSFORM_D_I(d, op, data, list)
  46 #    define BOOST_PP_LIST_TRANSFORM_D_I(d, op, data, list) BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_LIST_FOLD_RIGHT_ ## d(BOOST_PP_LIST_TRANSFORM_O, (op, data, BOOST_PP_NIL), list))
  47 # endif
  48 #
  49 # endif