#if !defined(BOOST_PP_IS_ITERATING)



// Copyright David Abrahams 2004. 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 OVERRIDE_DWA2004721_HPP

# define OVERRIDE_DWA2004721_HPP



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



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



# include <boost/python/extract.hpp>

# include <boost/python/handle.hpp>



#  include <boost/preprocessor/iterate.hpp>

#  include <boost/preprocessor/repeat.hpp>

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

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

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



#  include <boost/type.hpp>



namespace boost { namespace python {



class override;



namespace detail

{

  class wrapper_base;

  

  // The result of calling a method.

  class method_result

  {

   private:

      friend class boost::python::override;

      explicit method_result(PyObject* x)

        : m_obj(x)

      {}



   public:

      template <class T>

      operator T()

      {

          converter::return_from_python<T> converter;

          return converter(m_obj.release());

      }



#  if BOOST_WORKAROUND(_MSC_FULL_VER, BOOST_TESTED_AT(140050215))

      template <class T>

      operator T*()

      {

          converter::return_from_python<T*> converter;

          return converter(m_obj.release());

      }

#  endif 

      

#  if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) || BOOST_WORKAROUND(BOOST_INTEL_WIN, >= 900)

      // No operator T&

#  else

      

      template <class T>

      operator T&() const

      {

          converter::return_from_python<T&> converter;

          return converter(const_cast<handle<>&>(m_obj).release());

      }

#  endif 



      template <class T>

      T as(type<T>* = 0)

      {

          converter::return_from_python<T> converter;

          return converter(m_obj.release());

      }



      template <class T>

      T unchecked(type<T>* = 0)

      {

          return extract<T>(m_obj)();

      }

   private:

      mutable handle<> m_obj;

  };

}



class override : public object

{

 private:

    friend class detail::wrapper_base;

    override(handle<> x)

      : object(x)

    {}

    

 public:

    detail::method_result

    operator()() const

    {

        detail::method_result x(

            PyEval_CallFunction(

                this->ptr()

              , const_cast<char*>("()")

            ));

        return x;

    }



# 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, (1, BOOST_PYTHON_MAX_ARITY, <boost/python/override.hpp>))

# include BOOST_PP_ITERATE()



# undef BOOST_PYTHON_fast_arg_to_python_get

};



}} // namespace boost::python



#endif // OVERRIDE_DWA2004721_HPP



#else

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

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

#  line BOOST_PP_LINE(__LINE__, override.hpp)

# endif 



# define N BOOST_PP_ITERATION()



template <

    BOOST_PP_ENUM_PARAMS_Z(1, N, class A)

    >

detail::method_result

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

{

    detail::method_result x(

        PyEval_CallFunction(

            this->ptr()

          , 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)

        ));

    return x;

}



# undef N

#endif 

