1 files changed, 6 insertions, 1 deletions
diff --git a/session.h b/session.h
index 6bcebd8b..e6d8eb82 100644
--- a/session.h
+++ b/session.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-// Copyright (C) 2005-2008 Red Hat Inc.
+// Copyright (C) 2005-2009 Red Hat Inc.
 //
 // This file is part of systemtap, and is free software.  You can
 // redistribute it and/or modify it under the terms of the GNU General
@@ -45,6 +45,7 @@ struct translator_output;
 struct unparser;
 struct semantic_error;
 struct module_cache;
+struct update_visitor;
 
 
 // XXX: a generalized form of this descriptor could be associated with
@@ -133,6 +134,10 @@ struct systemtap_session
   stapfile* user_file;
   std::vector<stapfile*> library_files;
 
+  // filters to run over all code before symbol resolution
+  //   e.g. @cast expansion
+  std::vector<update_visitor*> code_filters;
+
   // resolved globals/functions/probes for the run as a whole
   std::vector<stapfile*> files;
   std::vector<vardecl*> globals;