X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FNode.java;h=9210e75c71c2ed3dc7705d3c46f2127843c4eaaa;hp=b6f45851746dc32bd7add3942fb91aedee0a4a7b;hb=5fa948c7db9597445448194418537a1c74f46a27;hpb=2afdfe14e78fa0597186614937c679a09d74ecdf

diff --git a/src/edu/berkeley/sbp/Node.java b/src/edu/berkeley/sbp/Node.java
index b6f4585..9210e75 100644
--- a/src/edu/berkeley/sbp/Node.java
+++ b/src/edu/berkeley/sbp/Node.java
@@ -1,17 +1,18 @@
-// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
 
 package edu.berkeley.sbp;
 import edu.berkeley.sbp.*;
 import edu.berkeley.sbp.util.*;
 import edu.berkeley.sbp.Parser.Table.*;
 import edu.berkeley.sbp.Sequence.Position;
+import edu.berkeley.sbp.Sequence.Pos;
 import java.io.*;
 import java.util.*;
 import java.lang.reflect.*;
 
 /** a node in the GSS */
 final class Node
-    implements Invokable<Position, Result>,
+    implements Invokable<Pos, Result>,
                IntegerMappable,
                GraphViz.ToGraphViz,
                Iterable<Result> {
@@ -67,17 +68,17 @@ final class Node
     private       HashSet<Result> results = new HashSet<Result>();
     private       HashSet<Result> children = new HashSet<Result>();
 
-    public final void invoke(Position r, Result only) {
+    public final void invoke(Pos r, Result only) {
         boolean emptyProductions = only==null;
-        if (emptyProductions != (r.pos==0)) return;
-        if (r.pos!=0)  reduce(r, r.pos-1, phase(), only);
+        if (emptyProductions != (r.numPops()==0)) return;
+        if (r.numPops()!=0)  reduce(r, r.numPops()-1, phase(), only);
         else {
             Input.Region region = phase().getLocation().createRegion(phase().getLocation());
             new Result(r.rewrite(region, phase().parser().cache()), this, r, phase());
         }
     }
 
-    private void reduce(Position r, int pos, GSS.Phase target, Result only) {
+    private void reduce(Pos r, int pos, GSS.Phase target, Result only) {
         Forest[] holder = r.holder;
         Forest old = holder[pos];
         if (results==null) return;   // FIXME: this should not happen