checkpoint

[sbp.git] / src / edu / berkeley / sbp / Parser.java

diff --git a/src/edu/berkeley/sbp/Parser.java b/src/edu/berkeley/sbp/Parser.java
index 632729e..0c9ed84 100644 (file)
--- a/src/edu/berkeley/sbp/Parser.java
+++ b/src/edu/berkeley/sbp/Parser.java
@@ -66,7 +66,7 @@ public abstract class Parser<Tok, Result> {
         public Table(String startSymbol, Topology top) { this(new Union(startSymbol), top); }
         public Table(Union ux, Topology top) {
             Union start0 = new Union("0");
-            start0.add(new Sequence.Singleton(ux, null, null));
+            start0.add(new Sequence.Singleton(ux));
 
             for(Sequence s : start0) cache.eof.put(s, true);
             cache.eof.put(start0, true);
@@ -111,7 +111,7 @@ public abstract class Parser<Tok, Result> {
 
         private boolean isRightNullable(Position p) {
             if (p.isLast()) return true;
-            if (!p.element().possiblyEpsilon(this)) return false;
+            if (!possiblyEpsilon(p.element())) return false;
             return isRightNullable(p.next());
         }