1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/python/scope.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,78 @@
     1.4 +// Copyright David Abrahams 2002.
     1.5 +// Distributed under the Boost Software License, Version 1.0. (See
     1.6 +// accompanying file LICENSE_1_0.txt or copy at
     1.7 +// http://www.boost.org/LICENSE_1_0.txt)
     1.8 +#ifndef SCOPE_DWA2002724_HPP
     1.9 +# define SCOPE_DWA2002724_HPP
    1.10 +
    1.11 +# include <boost/python/detail/prefix.hpp>
    1.12 +# include <boost/python/object.hpp>
    1.13 +# include <boost/python/refcount.hpp>
    1.14 +# include <boost/utility.hpp>
    1.15 +
    1.16 +namespace boost { namespace python { 
    1.17 +
    1.18 +namespace detail
    1.19 +{
    1.20 +  // Making this a namespace-scope variable to avoid Cygwin issues.
    1.21 +  // Use a PyObject* to avoid problems with static destruction after Py_Finalize
    1.22 +  extern BOOST_PYTHON_DECL PyObject* current_scope;
    1.23 +}
    1.24 +
    1.25 +class scope
    1.26 +  : public object
    1.27 +{
    1.28 + public:
    1.29 +    inline scope(scope const&);
    1.30 +    inline scope(object const&);
    1.31 +    inline scope();
    1.32 +    inline ~scope();
    1.33 +    
    1.34 + private: // data members
    1.35 +    PyObject* m_previous_scope;
    1.36 +
    1.37 + private: // unimplemented functions
    1.38 +    void operator=(scope const&);
    1.39 +};
    1.40 +
    1.41 +inline scope::scope(object const& new_scope)
    1.42 +    : object(new_scope)
    1.43 +    , m_previous_scope(detail::current_scope)
    1.44 +{
    1.45 +    detail::current_scope = python::incref(new_scope.ptr());
    1.46 +}
    1.47 +
    1.48 +inline scope::scope()
    1.49 +    : object(detail::borrowed_reference(
    1.50 +                 detail::current_scope ? detail::current_scope : Py_None
    1.51 +                 ))
    1.52 +    , m_previous_scope(python::xincref(detail::current_scope))
    1.53 +{
    1.54 +}
    1.55 +
    1.56 +inline scope::~scope()
    1.57 +{
    1.58 +    python::xdecref(detail::current_scope);
    1.59 +    detail::current_scope = m_previous_scope;
    1.60 +}
    1.61 +
    1.62 +namespace converter
    1.63 +{
    1.64 +  template <>
    1.65 +  struct object_manager_traits<scope>
    1.66 +      : object_manager_traits<object>
    1.67 +  {
    1.68 +  };
    1.69 +}
    1.70 +
    1.71 +// Placing this after the specialization above suppresses a CWPro8.3 bug
    1.72 +inline scope::scope(scope const& new_scope)
    1.73 +    : object(new_scope)
    1.74 +    , m_previous_scope(detail::current_scope)
    1.75 +{
    1.76 +    detail::current_scope = python::incref(new_scope.ptr());
    1.77 +}
    1.78 +
    1.79 +}} // namespace boost::python
    1.80 +
    1.81 +#endif // SCOPE_DWA2002724_HPP