Add if..then..else

[hcoop/domtool2.git] / src / order.sml

diff --git a/src/order.sml b/src/order.sml
index 08db062..599c62a 100644 (file)
--- a/src/order.sml
+++ b/src/order.sml
@@ -120,6 +120,9 @@ fun expNeeded G (e, loc) =
                   empty es
       | ELocal (e1, e2) => unionCTE (expNeeded G e1, expNeeded G e2)
       | EWith (e1, e2) => unionCTE (expNeeded G e1, expNeeded G e2)
+      | EIf (e1, e2, e3) => unionCTE (expNeeded G e1,
+                                     unionCTE (expNeeded G e2,
+                                               expNeeded G e3))
 
 fun declNeeded G (d, _, _) =
     case d of