// Copyright David Abrahams 2001.

 // 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 FUNCTION_DWA20011214_HPP

 # define FUNCTION_DWA20011214_HPP

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

 # include <boost/python/args_fwd.hpp>

 # include <boost/python/handle.hpp>

 # include <boost/function/function2.hpp>

 # include <boost/python/object_core.hpp>

 # include <boost/python/object/py_function.hpp>

 namespace boost { namespace python { namespace objects { 

 struct BOOST_PYTHON_DECL function : PyObject

 {

     function(

         py_function const&

         , python::detail::keyword const* names_and_defaults

         , unsigned num_keywords);

     ~function();

     PyObject* call(PyObject*, PyObject*) const;

     // Add an attribute to the name_space with the given name. If it is

     // a function object (this class), and an existing function is

     // already there, add it as an overload.

     static void add_to_namespace(

         object const& name_space, char const* name, object const& attribute);

     static void add_to_namespace(

         object const& name_space, char const* name, object const& attribute, char const* doc);

     object const& doc() const;

     void doc(object const& x);

     object const& name() const;

  private: // helper functions

     object signature(bool show_return_type=false) const;

     object signatures(bool show_return_type=false) const;

     void argument_error(PyObject* args, PyObject* keywords) const;

     void add_overload(handle<function> const&);

  private: // data members

     py_function m_fn;

     handle<function> m_overloads;

     object m_name;

     object m_namespace;

     object m_doc;

     object m_arg_names;

     unsigned m_nkeyword_values;

 };

 //

 // implementations

 //

 inline object const& function::doc() const

 {

     return this->m_doc;

 }

 inline void function::doc(object const& x)

 {

     this->m_doc = x;

 }

 inline object const& function::name() const

 {

     return this->m_name;

 }

 }}} // namespace boost::python::objects

 #endif // FUNCTION_DWA20011214_HPP