integermappable

[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 3609182..95c3985 100644 (file)
--- a/src/edu/berkeley/sbp/Parser.java
+++ b/src/edu/berkeley/sbp/Parser.java
@@ -162,8 +162,10 @@ public abstract class Parser<T extends Token, R> {
         }
 
         /** a single state in the LR table and the transitions possible from it */
-        public class State implements Comparable<Table.State>, Iterable<Position> {
+        public class State implements Comparable<Table.State>, Iterable<Position>, IntegerMappable {
         
+            public int toInt() { return idx; }
+
             /*
             public boolean isResolvable(Token t) {
                 boolean found = false;