// 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 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