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55 lines
1.4 KiB
55 lines
1.4 KiB
// (C) Copyright David Abrahams 2000. |
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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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// |
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// The author gratefully acknowleges the support of Dragon Systems, Inc., in |
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// producing this work. |
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#ifndef ERRORS_DWA052500_H_ |
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# define ERRORS_DWA052500_H_ |
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# include <boost/python/detail/prefix.hpp> |
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# include <boost/function/function0.hpp> |
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namespace boost { namespace python { |
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struct BOOST_PYTHON_DECL error_already_set |
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{ |
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virtual ~error_already_set(); |
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}; |
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// Handles exceptions caught just before returning to Python code. |
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// Returns true iff an exception was caught. |
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BOOST_PYTHON_DECL bool handle_exception_impl(function0<void>); |
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template <class T> |
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bool handle_exception(T f) |
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{ |
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return handle_exception_impl(function0<void>(boost::ref(f))); |
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} |
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namespace detail { inline void rethrow() { throw; } } |
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inline void handle_exception() |
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{ |
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handle_exception(detail::rethrow); |
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} |
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BOOST_PYTHON_DECL void throw_error_already_set(); |
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template <class T> |
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inline T* expect_non_null(T* x) |
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{ |
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if (x == 0) |
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throw_error_already_set(); |
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return x; |
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} |
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// Return source if it is an instance of pytype; throw an appropriate |
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// exception otherwise. |
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BOOST_PYTHON_DECL PyObject* pytype_check(PyTypeObject* pytype, PyObject* source); |
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}} // namespace boost::python |
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#endif // ERRORS_DWA052500_H_
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