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56 lines
1.4 KiB
56 lines
1.4 KiB
5 years ago
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// (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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