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 744b7c0..0504a11 100644 (file)
--- a/src/edu/berkeley/sbp/Parser.java
+++ b/src/edu/berkeley/sbp/Parser.java
@@ -15,7 +15,7 @@ public abstract class Parser<Tok, Result> {
     protected Parser(Table<Tok> pt)               { this.pt = pt; }
 
     /** implement this method to create the output forest corresponding to a lone shifted input token */
-    protected abstract Forest<Result> shiftToken(Input.Location oldloc, Tok t, Input.Location newloc);
+    protected abstract Forest<Result> shiftToken(Tok t, Input.Location newloc);
 
     boolean helpgc = true;
 
@@ -32,7 +32,7 @@ public abstract class Parser<Tok, Result> {
             Input.Location oldloc = loc;
             loc = input.getLocation();
             current.reduce();
-            Forest forest = current.token==null ? null : shiftToken(oldloc, (Tok)current.token, loc);
+            Forest forest = current.token==null ? null : shiftToken((Tok)current.token, loc);
             GSS.Phase next = gss.new Phase<Tok>(current, this, current, input.next(), loc, forest);
             if (!helpgc) {
                 FileOutputStream fos = new FileOutputStream("out-"+idx+".dot");