--- a/CodeGeneratorTool.st	Mon Aug 05 10:30:37 2013 +0100
+++ b/CodeGeneratorTool.st	Tue Aug 06 02:57:57 2013 +0100
@@ -1305,6 +1305,12 @@
     self subclassResponsibility
 !
 
+createVisitorMethodsIn:arg1 andVisitorClass:arg2 withParameter:arg3 withSuper:arg4 
+    "raise an error: must be redefined in concrete subclass(es)"
+    
+    ^ self subclassResponsibility
+!
+
 createWebApplicationCodeFor:aClass
     "create an empty webApplication framework"