// 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 EXCEPTION_HANDLER_DWA2002810_HPP

# define EXCEPTION_HANDLER_DWA2002810_HPP



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

# include <boost/function/function0.hpp>

# include <boost/function/function2.hpp>



namespace boost { namespace python { namespace detail {



struct BOOST_PYTHON_DECL_FORWARD exception_handler;



typedef function2<bool, exception_handler const&, function0<void> const&> handler_function;



struct BOOST_PYTHON_DECL exception_handler

{

 private: // types

    

 public:

    explicit exception_handler(handler_function const& impl);



    inline bool handle(function0<void> const& f) const;

    

    bool operator()(function0<void> const& f) const;

 

    static exception_handler* chain;

    

 private:

    static exception_handler* tail;

    

    handler_function m_impl;

    exception_handler* m_next;

};





inline bool exception_handler::handle(function0<void> const& f) const

{

    return this->m_impl(*this, f);

}



BOOST_PYTHON_DECL void register_exception_handler(handler_function const& f);



}}} // namespace boost::python::detail



#endif // EXCEPTION_HANDLER_DWA2002810_HPP

