| // 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 |