binary_transform.hpp 2.6 KB

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  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_REM(data) data
  34. # define BOOST_PP_SEQ_BINARY_TRANSFORM_A(...) (BOOST_PP_SEQ_BINARY_TRANSFORM_REM, __VA_ARGS__)() BOOST_PP_SEQ_BINARY_TRANSFORM_B
  35. # define BOOST_PP_SEQ_BINARY_TRANSFORM_B(...) (BOOST_PP_SEQ_BINARY_TRANSFORM_REM, __VA_ARGS__)() BOOST_PP_SEQ_BINARY_TRANSFORM_A
  36. # else
  37. # define BOOST_PP_SEQ_BINARY_TRANSFORM_A(...) (BOOST_PP_REM, __VA_ARGS__)() BOOST_PP_SEQ_BINARY_TRANSFORM_B
  38. # define BOOST_PP_SEQ_BINARY_TRANSFORM_B(...) (BOOST_PP_REM, __VA_ARGS__)() BOOST_PP_SEQ_BINARY_TRANSFORM_A
  39. # endif
  40. # else
  41. # define BOOST_PP_SEQ_BINARY_TRANSFORM_A(e) (BOOST_PP_REM, e)() BOOST_PP_SEQ_BINARY_TRANSFORM_B
  42. # define BOOST_PP_SEQ_BINARY_TRANSFORM_B(e) (BOOST_PP_REM, e)() BOOST_PP_SEQ_BINARY_TRANSFORM_A
  43. # endif
  44. # define BOOST_PP_SEQ_BINARY_TRANSFORM_A0 (BOOST_PP_EAT, ?)
  45. # define BOOST_PP_SEQ_BINARY_TRANSFORM_B0 (BOOST_PP_EAT, ?)
  46. #
  47. # endif