Fix regeneration of multi-file dependencies

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

diff --git a/src/env.sml b/src/env.sml
index edb1ffd..ef710c1 100644 (file)
--- a/src/env.sml
+++ b/src/env.sml
@@ -149,6 +149,10 @@ fun three func (name1, arg1, name2, arg2, name3, arg3) f (_, [e1, e2, e3]) =
                                         SM.empty))
   | three func _ _ (_, es) = badArgs (func, es)
 
+fun noneV func f (evs, []) = (f evs;
+                             SM.empty)
+  | noneV func _ (_, es) = badArgs (func, es)
+
 fun oneV func (name, arg) f (evs, [e]) =
     (case arg e of
         NONE => badArg (func, name, e)
@@ -193,6 +197,7 @@ fun actionV_two name args f = registerAction (name, twoV name args f)
 fun container_none name (f, g) = registerContainer (name, none name f, g)
 fun container_one name args (f, g) = registerContainer (name, one name args f, g)
 
+fun containerV_none name (f, g) = registerContainer (name, noneV name f, g)
 fun containerV_one name args (f, g) = registerContainer (name, oneV name args f, g)
 
 type env = SS.set * (typ * exp option) SM.map * SS.set