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'unlabeled-1.11.2'.

[SVN r13510]
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nobody
2002-04-17 00:20:06 +00:00
parent 17be76af32
commit b99b006170
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include/boost/python/object/make_holder.hpp Normal file
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// Copyright David Abrahams 2001. Permission to copy, use,
// modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#ifndef MAKE_HOLDER_DWA20011215_HPP
# define MAKE_HOLDER_DWA20011215_HPP
# include <boost/mpl/at.hpp>
# include <boost/python/object/forward.hpp>
# include <boost/python/object/class.hpp>
# include <boost/python/detail/wrap_python.hpp>
# include <boost/python/detail/preprocessor.hpp>
# include <boost/preprocessor/repeat.hpp>
# include <boost/preprocessor/enum.hpp>
namespace boost { namespace python { namespace objects {
template <int nargs> struct make_holder;
# ifndef BOOST_PYTHON_GENERATE_CODE
# include <boost/python/preprocessed/make_holder.hpp>
# endif
# define BOOST_PYTHON_FORWARD_ARG(index, ignored) \
typedef typename mpl::at<index,ArgList>::type BOOST_PP_CAT(t,index); \
typedef typename forward<BOOST_PP_CAT(t,index)>::type BOOST_PP_CAT(f,index);
# define BOOST_PYTHON_DO_FORWARD_ARG(index, ignored) \
BOOST_PP_CAT(f,index)(BOOST_PP_CAT(a, index))
# define BOOST_PYTHON_MAKE_HOLDER(nargs,ignored) \
template <> \
struct make_holder<nargs> \
{ \
template <class Holder, class ArgList> \
struct apply \
{ \
BOOST_PP_REPEAT(nargs, BOOST_PYTHON_FORWARD_ARG, nil) \
\
static void execute( \
PyObject* p \
BOOST_PP_COMMA_IF(nargs) BOOST_PYTHON_ENUM_PARAMS2(nargs, (t,a)) ) \
{ \
(new Holder( \
p \
BOOST_PP_COMMA_IF(nargs) BOOST_PP_ENUM( \
nargs,BOOST_PYTHON_DO_FORWARD_ARG,nil)))->install(p); \
} \
}; \
};
BOOST_PYTHON_REPEAT_ARITY_2ND(BOOST_PYTHON_MAKE_HOLDER,nil)
}}} // namespace boost::python::objects
#endif // MAKE_HOLDER_DWA20011215_HPP