Added boost header

test/external/boost/python/scope.hpp

@@ -0,0 +1,78 @@
+// Copyright David Abrahams 2002.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+#ifndef SCOPE_DWA2002724_HPP
+# define SCOPE_DWA2002724_HPP
+
+# include <boost/python/detail/prefix.hpp>
+# include <boost/python/object.hpp>
+# include <boost/python/refcount.hpp>
+# include <boost/utility.hpp>
+
+namespace boost { namespace python { 
+
+namespace detail
+{
+  // Making this a namespace-scope variable to avoid Cygwin issues.
+  // Use a PyObject* to avoid problems with static destruction after Py_Finalize
+  extern BOOST_PYTHON_DECL PyObject* current_scope;
+}
+
+class scope
+  : public object
+{
+ public:
+    inline scope(scope const&);
+    inline scope(object const&);
+    inline scope();
+    inline ~scope();
+    
+ private: // data members
+    PyObject* m_previous_scope;
+
+ private: // unimplemented functions
+    void operator=(scope const&);
+};
+
+inline scope::scope(object const& new_scope)
+    : object(new_scope)
+    , m_previous_scope(detail::current_scope)
+{
+    detail::current_scope = python::incref(new_scope.ptr());
+}
+
+inline scope::scope()
+    : object(detail::borrowed_reference(
+                 detail::current_scope ? detail::current_scope : Py_None
+                 ))
+    , m_previous_scope(python::xincref(detail::current_scope))
+{
+}
+
+inline scope::~scope()
+{
+    python::xdecref(detail::current_scope);
+    detail::current_scope = m_previous_scope;
+}
+
+namespace converter
+{
+  template <>
+  struct object_manager_traits<scope>
+      : object_manager_traits<object>
+  {
+  };
+}
+
+// Placing this after the specialization above suppresses a CWPro8.3 bug
+inline scope::scope(scope const& new_scope)
+    : object(new_scope)
+    , m_previous_scope(detail::current_scope)
+{
+    detail::current_scope = python::incref(new_scope.ptr());
+}
+
+}} // namespace boost::python
+
+#endif // SCOPE_DWA2002724_HPP