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77 lines
1.8 KiB
77 lines
1.8 KiB
// 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 SCOPE_DWA2002724_HPP |
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# define SCOPE_DWA2002724_HPP |
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# include <boost/python/detail/prefix.hpp> |
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# include <boost/python/object.hpp> |
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# include <boost/python/refcount.hpp> |
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namespace boost { namespace python { |
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namespace detail |
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{ |
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// Making this a namespace-scope variable to avoid Cygwin issues. |
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// Use a PyObject* to avoid problems with static destruction after Py_Finalize |
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extern BOOST_PYTHON_DECL PyObject* current_scope; |
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} |
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class scope |
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: public object |
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{ |
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public: |
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inline scope(scope const&); |
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inline scope(object const&); |
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inline scope(); |
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inline ~scope(); |
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private: // data members |
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PyObject* m_previous_scope; |
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private: // unimplemented functions |
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void operator=(scope const&); |
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}; |
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inline scope::scope(object const& new_scope) |
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: object(new_scope) |
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, m_previous_scope(detail::current_scope) |
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{ |
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detail::current_scope = python::incref(new_scope.ptr()); |
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} |
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inline scope::scope() |
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: object(detail::borrowed_reference( |
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detail::current_scope ? detail::current_scope : Py_None |
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)) |
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, m_previous_scope(python::xincref(detail::current_scope)) |
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{ |
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} |
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inline scope::~scope() |
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{ |
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python::xdecref(detail::current_scope); |
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detail::current_scope = m_previous_scope; |
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} |
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namespace converter |
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{ |
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template <> |
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struct object_manager_traits<scope> |
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: object_manager_traits<object> |
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{ |
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}; |
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} |
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// Placing this after the specialization above suppresses a CWPro8.3 bug |
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inline scope::scope(scope const& new_scope) |
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: object(new_scope) |
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, m_previous_scope(detail::current_scope) |
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{ |
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detail::current_scope = python::incref(new_scope.ptr()); |
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} |
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}} // namespace boost::python |
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#endif // SCOPE_DWA2002724_HPP
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