X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FWalk.java;h=c6bb514e31f4a14bdb072de5e12cf5aa4af83153;hb=d28917b3c84c429e8fd6587717df9e90a894b18f;hp=496edd6488ec8492b3092fbea92fe9faec39bf0d;hpb=24112db237318c030b4d4f457d90c34fd69d652b;p=sbp.git

diff --git a/src/edu/berkeley/sbp/Walk.java b/src/edu/berkeley/sbp/Walk.java
index 496edd6..c6bb514 100644
--- a/src/edu/berkeley/sbp/Walk.java
+++ b/src/edu/berkeley/sbp/Walk.java
@@ -39,6 +39,7 @@ abstract class Walk<T> {
             T ret = bottom(e);
             for(Sequence s : (Union)e) {
                 ret = union((Union)e, ret, walk(s));
+
                 // FIXME
                 for(Sequence ss : s.needs()) ret = union((Union)e, ret, walk(ss));
                 for(Sequence ss : s.hates()) ret = union((Union)e, ret, walk(ss));
@@ -87,7 +88,7 @@ abstract class Walk<T> {
         public WalkTokenSet(Topology<Tok> cs)          { this.cs = cs; }
         public WalkTokenSet(Topology<Tok> cs, Cache c) { super(c); this.cs = cs; }
         public Topology<Tok> bottom(Element e)         { return cs; }
-        public Topology<Tok> walkAtom(Atom r)          { cs = cs.union(r); return cs; }
+        public Topology<Tok> walkAtom(Atom r)          { cs = cs.union(r.getTokenTopology()); return cs; }
     }
 
     static class First<Tok extends Input> extends WalkTokenSet<Tok> {
@@ -154,7 +155,7 @@ abstract class Walk<T> {
 
             if (e instanceof Sequence) {
                 Sequence s = (Sequence)e;
-                if (s.follow() != null) cs = cs.intersect(s.follow());
+                if (s.follow() != null) cs = cs.intersect(s.follow().getTokenTopology());
             }
 
             if (c != null && e==me) {