object_call.hpp 1.9 KB

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  1. // Copyright (c) 2005 Daniel Wallin and Arvid Norberg
  2. // Permission is hereby granted, free of charge, to any person obtaining a
  3. // copy of this software and associated documentation files (the "Software"),
  4. // to deal in the Software without restriction, including without limitation
  5. // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  6. // and/or sell copies of the Software, and to permit persons to whom the
  7. // Software is furnished to do so, subject to the following conditions:
  8. // The above copyright notice and this permission notice shall be included
  9. // in all copies or substantial portions of the Software.
  10. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  11. // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  12. // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  13. // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  14. // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  15. // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  16. // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17. // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  18. // OR OTHER DEALINGS IN THE SOFTWARE.
  19. #if !BOOST_PP_IS_ITERATING
  20. # error Do not include object_call.hpp directly!
  21. #endif
  22. #include <boost/preprocessor/repetition/enum_params.hpp>
  23. #include <boost/preprocessor/repetition/enum_binary_params.hpp>
  24. #include <boost/preprocessor/facilities/intercept.hpp>
  25. #define N BOOST_PP_ITERATION()
  26. template<BOOST_PP_ENUM_PARAMS(N, class A)>
  27. call_proxy<
  28. Derived
  29. , boost::tuples::tuple<
  30. BOOST_PP_ENUM_BINARY_PARAMS(N, A, const* BOOST_PP_INTERCEPT)
  31. >
  32. > operator()(BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a))
  33. {
  34. typedef boost::tuples::tuple<
  35. BOOST_PP_ENUM_BINARY_PARAMS(N, A, const* BOOST_PP_INTERCEPT)
  36. > arguments;
  37. return call_proxy<Derived, arguments>(
  38. derived()
  39. , arguments(BOOST_PP_ENUM_PARAMS(N, &a))
  40. );
  41. }
  42. #undef N