ceph/src/boost/libs/preprocessor/include/boost/preprocessor/seq/transform.hpp

   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