Chris@16: // Copyright David Abrahams 2002.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef FUNCTION_HANDLE_DWA2002725_HPP
Chris@16: # define FUNCTION_HANDLE_DWA2002725_HPP
Chris@16: # include <boost/python/handle.hpp>
Chris@16: # include <boost/python/detail/caller.hpp>
Chris@16: # include <boost/python/default_call_policies.hpp>
Chris@16: # include <boost/python/object/py_function.hpp>
Chris@16: # include <boost/python/signature.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace objects { 
Chris@16: 
Chris@16: BOOST_PYTHON_DECL handle<> function_handle_impl(py_function const& f);
Chris@16: 
Chris@16: // Just like function_object, but returns a handle<> instead. Using
Chris@16: // this for arg_to_python<> allows us to break a circular dependency
Chris@16: // between object and arg_to_python.
Chris@16: template <class F, class Signature>
Chris@16: inline handle<> function_handle(F const& f, Signature)
Chris@16: {
Chris@16:     enum { n_arguments = mpl::size<Signature>::value - 1 };
Chris@16: 
Chris@16:     return objects::function_handle_impl(
Chris@16:         python::detail::caller<
Chris@16:             F,default_call_policies,Signature
Chris@16:         >(
Chris@16:             f, default_call_policies()
Chris@16:          )
Chris@16:     );
Chris@16: }
Chris@16: 
Chris@16: // Just like make_function, but returns a handle<> intead. Same
Chris@16: // reasoning as above.
Chris@16: template <class F>
Chris@16: handle<> make_function_handle(F f)
Chris@16: {
Chris@16:     return objects::function_handle(f, python::detail::get_signature(f));
Chris@16: }
Chris@16: 
Chris@16: }}} // namespace boost::python::objects
Chris@16: 
Chris@16: #endif // FUNCTION_HANDLE_DWA2002725_HPP