ceph/src/boost/libs/preprocessor/include/boost/preprocessor/seq/detail/binary_transform.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Paul Mensonides 2011.                                  *
   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_DETAIL_BINARY_TRANSFORM_HPP
  13 # define BOOST_PREPROCESSOR_SEQ_DETAIL_BINARY_TRANSFORM_HPP
  14 #
  15 # include <boost/preprocessor/cat.hpp>
  16 # include <boost/preprocessor/config/config.hpp>
  17 # include <boost/preprocessor/tuple/eat.hpp>
  18 # include <boost/preprocessor/tuple/rem.hpp>
  19 # include <boost/preprocessor/variadic/detail/is_single_return.hpp>
  20 #
  21 # /* BOOST_PP_SEQ_BINARY_TRANSFORM */
  22 #
  23 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
  24 #    define BOOST_PP_SEQ_BINARY_TRANSFORM(seq) BOOST_PP_SEQ_BINARY_TRANSFORM_I(, seq)
  25 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_I(p, seq) BOOST_PP_SEQ_BINARY_TRANSFORM_II(p ## seq)
  26 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_II(seq) BOOST_PP_SEQ_BINARY_TRANSFORM_III(seq)
  27 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_III(seq) BOOST_PP_CAT(BOOST_PP_SEQ_BINARY_TRANSFORM_A seq, 0)
  28 # else
  29 #    define BOOST_PP_SEQ_BINARY_TRANSFORM(seq) BOOST_PP_CAT(BOOST_PP_SEQ_BINARY_TRANSFORM_A seq, 0)
  30 # endif
  31 # if BOOST_PP_VARIADICS
  32 #    if BOOST_PP_VARIADICS_MSVC
  33 #               define BOOST_PP_SEQ_BINARY_TRANSFORM_GET_REM(...) \
  34                         BOOST_PP_VARIADIC_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,__VA_ARGS__) \
  35                 /**/
  36 #        else
  37 #               define BOOST_PP_SEQ_BINARY_TRANSFORM_GET_REM(...) BOOST_PP_REM
  38 #        endif
  39 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_A(...) (BOOST_PP_SEQ_BINARY_TRANSFORM_GET_REM(__VA_ARGS__), __VA_ARGS__)() BOOST_PP_SEQ_BINARY_TRANSFORM_B
  40 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_B(...) (BOOST_PP_SEQ_BINARY_TRANSFORM_GET_REM(__VA_ARGS__), __VA_ARGS__)() BOOST_PP_SEQ_BINARY_TRANSFORM_A
  41 # else
  42 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_A(e) (BOOST_PP_REM, e)() BOOST_PP_SEQ_BINARY_TRANSFORM_B
  43 #    define BOOST_PP_SEQ_BINARY_TRANSFORM_B(e) (BOOST_PP_REM, e)() BOOST_PP_SEQ_BINARY_TRANSFORM_A
  44 # endif
  45 # define BOOST_PP_SEQ_BINARY_TRANSFORM_A0 (BOOST_PP_EAT, ?)
  46 # define BOOST_PP_SEQ_BINARY_TRANSFORM_B0 (BOOST_PP_EAT, ?)
  47 #
  48 # endif