Mercurial > urweb
diff src/shake.sml @ 1080:a4979e31e4bf
Another try at reasonable Especialize, this time with a custom traversal
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sun, 20 Dec 2009 15:17:43 -0500 |
| parents | 0657e5adc938 |
| children | 72670131dace |
line wrap: on
line diff
--- a/src/shake.sml Tue Dec 15 19:26:52 2009 -0500 +++ b/src/shake.sml Sun Dec 20 15:17:43 2009 -0500 @@ -129,6 +129,9 @@ and shakeCon s = U.Con.fold {kind = kind, con = con} s + (*val () = print "=====\nSHAKE\n=====\n" + val current = ref 0*) + fun exp (e, s) = let fun check n = @@ -139,13 +142,16 @@ val s' = {exp = IS.add (#exp s, n), con = #con s} in - (*print ("Need " ^ Int.toString n ^ "\n");*) + (*print ("Need " ^ Int.toString n ^ " <-- " ^ Int.toString (!current) ^ "\n");*) case IM.find (edef, n) of NONE => s' | SOME (ns, t, e) => let + (*val old = !current + val () = current := n*) val s' = shakeExp (shakeCon s' t) e in + (*current := old;*) foldl (fn (n, s') => exp (ENamed n, s')) s' ns end end @@ -165,6 +171,7 @@ NONE => raise Fail "Shake: Couldn't find 'val'" | SOME (ns, t, e) => let + (*val () = current := n*) val s = shakeExp (shakeCon s t) e in foldl (fn (n, s) => exp (ENamed n, s)) s ns