#if !defined(BOOST_PP_IS_ITERATING)

// Copyright David Abrahams 2002.

// Distributed under the Boost Software License, Version 1.0. (See

// accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

# ifndef CALL_DWA2002411_HPP

#  define CALL_DWA2002411_HPP

# include <boost/python/detail/prefix.hpp>

#  include <boost/type.hpp>

#  include <boost/python/converter/arg_to_python.hpp>

#  include <boost/python/converter/return_from_python.hpp>

#  include <boost/python/detail/preprocessor.hpp>

#  include <boost/python/detail/void_return.hpp>

#  include <boost/preprocessor/comma_if.hpp>

#  include <boost/preprocessor/iterate.hpp>

#  include <boost/preprocessor/repeat.hpp>

#  include <boost/preprocessor/debug/line.hpp>

#  include <boost/preprocessor/repetition/enum_trailing_params.hpp>

#  include <boost/preprocessor/repetition/enum_binary_params.hpp>

namespace boost { namespace python {

# define BOOST_PYTHON_FAST_ARG_TO_PYTHON_GET(z, n, _) \

    , converter::arg_to_python<A##n>(a##n).get()

#  define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/call.hpp>))

#  include BOOST_PP_ITERATE()

#  undef BOOST_PYTHON_FAST_ARG_TO_PYTHON_GET

}} // namespace boost::python

# endif // CALL_DWA2002411_HPP

#elif BOOST_PP_ITERATION_DEPTH() == 1

# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \

        && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))

#  line BOOST_PP_LINE(__LINE__, call.hpp)

# endif

# define N BOOST_PP_ITERATION()

template <

    class R

    BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)

    >

typename detail::returnable<R>::type

call(PyObject* callable

    BOOST_PP_COMMA_IF(N) BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a)

    , boost::type<R>* = 0

    )

{

    PyObject* const result = 

        PyEval_CallFunction(

            callable

            , const_cast<char*>("(" BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_FIXED, "O") ")")

            BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_FAST_ARG_TO_PYTHON_GET, nil)

            );

    // This conversion *must not* be done in the same expression as

    // the call, because, in the special case where the result is a

    // reference a Python object which was created by converting a C++

    // argument for passing to PyEval_CallFunction, its reference

    // count will be 2 until the end of the full expression containing

    // the conversion, and that interferes with dangling

    // pointer/reference detection.

    converter::return_from_python<R> converter;

    return converter(result);

}

# undef N

#endif