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