to_seq.hpp 1.9 KB

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  1. # /* **************************************************************************
  2. # * *
  3. # * (C) Copyright Edward Diener 2011. *
  4. # * (C) Copyright Paul Mensonides 2011. *
  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. #
  11. # /* See http://www.boost.org for most recent version. */
  12. #
  13. # ifndef BOOST_PREPROCESSOR_ARRAY_TO_SEQ_HPP
  14. # define BOOST_PREPROCESSOR_ARRAY_TO_SEQ_HPP
  15. #
  16. # include <boost/preprocessor/cat.hpp>
  17. # include <boost/preprocessor/config/config.hpp>
  18. # include <boost/preprocessor/array/size.hpp>
  19. # include <boost/preprocessor/control/if.hpp>
  20. # include <boost/preprocessor/tuple/to_seq.hpp>
  21. #
  22. # /* BOOST_PP_ARRAY_TO_SEQ */
  23. #
  24. # define BOOST_PP_ARRAY_TO_SEQ(array) \
  25. BOOST_PP_IF \
  26. ( \
  27. BOOST_PP_ARRAY_SIZE(array), \
  28. BOOST_PP_ARRAY_TO_SEQ_DO, \
  29. BOOST_PP_ARRAY_TO_SEQ_EMPTY \
  30. ) \
  31. (array) \
  32. /**/
  33. # define BOOST_PP_ARRAY_TO_SEQ_EMPTY(array)
  34. #
  35. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
  36. # define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_ARRAY_TO_SEQ_I(BOOST_PP_TUPLE_TO_SEQ, array)
  37. # define BOOST_PP_ARRAY_TO_SEQ_I(m, args) BOOST_PP_ARRAY_TO_SEQ_II(m, args)
  38. # define BOOST_PP_ARRAY_TO_SEQ_II(m, args) BOOST_PP_CAT(m ## args,)
  39. # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
  40. # define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_ARRAY_TO_SEQ_I(array)
  41. # define BOOST_PP_ARRAY_TO_SEQ_I(array) BOOST_PP_TUPLE_TO_SEQ ## array
  42. # else
  43. # define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_TUPLE_TO_SEQ array
  44. # endif
  45. #
  46. # endif