fix instance of in AST

ExprPrimaryNodes.py

@@ -32,6 +32,8 @@ def makeNodeFromExpr(parseTree, typeName):
             return NameNode(c, typeName, typeName)
         elif c.name == 'assignment':
             return AssignNode(c, typeName)
+        elif c.name == 'refType':
+            return TypeNode(c, typeName)
         elif len(c.children) == 1:
             c = c.children[0]
         elif c.name == 'castExpr':