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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef TRANSLATE_EXCEPTION_TDS20091020_HPP
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# define TRANSLATE_EXCEPTION_TDS20091020_HPP
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# include <boost/python/detail/exception_handler.hpp>
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# include <boost/call_traits.hpp>
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# include <boost/type_traits/add_const.hpp>
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# include <boost/type_traits/add_reference.hpp>
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# include <boost/type_traits/remove_reference.hpp>
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# include <boost/function/function0.hpp>
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namespace boost { namespace python { namespace detail {
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// A ternary function object used to translate C++ exceptions of type
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// ExceptionType into Python exceptions by invoking an object of type
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// Translate. Typically the translate function will be curried with
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// boost::bind().
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template <class ExceptionType, class Translate>
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struct translate_exception
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{
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// workaround for broken gcc that ships with SuSE 9.0 and SuSE 9.1
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# if defined(__linux__) && defined(__GNUC__) \
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&& BOOST_WORKAROUND(__GNUC__, == 3) \
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&& BOOST_WORKAROUND(__GNUC_MINOR__, == 3) \
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&& (BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 1) \
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|| BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 3))
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typedef typename remove_reference<
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typename add_const<ExceptionType>::type
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>::type exception_non_ref;
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# else
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typedef typename add_reference<
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typename add_const<ExceptionType>::type
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>::type exception_cref;
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# endif
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inline bool operator()(
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exception_handler const& handler
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, function0<void> const& f
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, typename call_traits<Translate>::param_type translate) const
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{
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try
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{
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return handler(f);
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}
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// workaround for broken gcc that ships with SuSE 9.0 and SuSE 9.1
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# if defined(__linux__) && defined(__GNUC__) \
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&& BOOST_WORKAROUND(__GNUC__, == 3) \
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&& BOOST_WORKAROUND(__GNUC_MINOR__, == 3) \
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&& (BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 1) \
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|| BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, == 3))
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catch(exception_non_ref& e)
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# else
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catch(exception_cref e)
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# endif
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{
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translate(e);
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return true;
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}
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}
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};
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}}} // namespace boost::python::detail
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#endif // TRANSLATE_EXCEPTION_DWA2002810_HPP
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