ceph/src/boost/boost/python/detail/make_tuple.hpp

   1 # ifndef BOOST_PYTHON_SYNOPSIS
   2 # // Copyright David Abrahams 2002.
   3 # // Distributed under the Boost Software License, Version 1.0. (See
   4 # // accompanying file LICENSE_1_0.txt or copy at
   5 # // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #  if !defined(BOOST_PP_IS_ITERATING)
   8 #   error Boost.Python - do not include this file!
   9 #  endif
  10
  11 #  define N BOOST_PP_ITERATION()
  12
  13 #  define BOOST_PYTHON_MAKE_TUPLE_ARG(z, N, ignored)    \
  14     PyTuple_SET_ITEM(                                   \
  15         result.ptr()                                    \
  16         , N                                             \
  17         , python::incref(python::object(a##N).ptr())    \
  18         );
  19
  20     template <BOOST_PP_ENUM_PARAMS_Z(1, N, class A)>
  21     tuple
  22     make_tuple(BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a))
  23     {
  24         tuple result((detail::new_reference)::PyTuple_New(N));
  25         BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_MAKE_TUPLE_ARG, _)
  26         return result;
  27     }
  28
  29 #  undef BOOST_PYTHON_MAKE_TUPLE_ARG
  30
  31 #  undef N
  32 # endif // BOOST_PYTHON_SYNOPSIS