source: NonGTP/Boost/boost/python/detail/translate_exception.hpp @ 857

Revision 857, 2.2 KB checked in by igarcia, 19 years ago (diff)
Line 
1// Copyright David Abrahams 2002.
2// Distributed under the Boost Software License, Version 1.0. (See
3// accompanying file LICENSE_1_0.txt or copy at
4// http://www.boost.org/LICENSE_1_0.txt)
5#ifndef TRANSLATE_EXCEPTION_DWA2002810_HPP
6# define TRANSLATE_EXCEPTION_DWA2002810_HPP
7
8# include <boost/python/detail/exception_handler.hpp>
9
10# include <boost/call_traits.hpp>
11# include <boost/type_traits/add_const.hpp>
12
13# include <boost/function/function0.hpp>
14
15namespace boost { namespace python { namespace detail {
16
17// A ternary function object used to translate C++ exceptions of type
18// ExceptionType into Python exceptions by invoking an object of type
19// Translate. Typically the translate function will be curried with
20// boost::bind().
21template <class ExceptionType, class Translate>
22struct translate_exception
23{
24// workaround for broken gcc that ships with SuSE 9.0 and SuSE 9.1
25# if defined(__linux__) && defined(__GNUC__) \
26    && BOOST_WORKAROUND(__GNUC__, == 3) \
27    && BOOST_WORKAROUND(__GNUC_MINOR__, == 3) \
28    && (BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 1) \
29        || BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 3))
30    typedef typename remove_reference<
31        typename add_const<ExceptionType>::type
32    >::type exception_non_ref;
33# else
34    typedef typename add_reference<
35        typename add_const<ExceptionType>::type
36    >::type exception_cref;
37# endif
38   
39    inline bool operator()(
40        exception_handler const& handler
41      , function0<void> const& f
42      , typename call_traits<Translate>::param_type translate) const
43    {
44        try
45        {
46            return handler(f);
47        }
48// workaround for broken gcc that ships with SuSE 9.0 and SuSE 9.1
49# if defined(__linux__) && defined(__GNUC__) \
50    && BOOST_WORKAROUND(__GNUC__, == 3) \
51    && BOOST_WORKAROUND(__GNUC_MINOR__, == 3) \
52    && (BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 1) \
53        || BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 3))
54        catch(exception_non_ref& e)
55# else
56        catch(exception_cref e)
57# endif
58        {
59            translate(e);
60            return true;
61        }
62    }
63};
64
65}}} // namespace boost::python::detail
66
67#endif // TRANSLATE_EXCEPTION_DWA2002810_HPP
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