added cached hashcode check to equals

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 6812]
2010-04-11 10:55:47 -08:00 · 2010-04-11 10:55:47 -08:00 · 2faaf7bc7f
parent 2646c177b1
commit 2faaf7bc7f
1 changed files with 3 additions and 0 deletions
--- a/tool/src/org/antlr/v4/analysis/NFAContext.java
+++ b/tool/src/org/antlr/v4/analysis/NFAContext.java
@ -100,6 +100,9 @@ public class NFAContext {
 	 */
 	public boolean equals(Object o) {
 		NFAContext other = ((NFAContext)o);
+		if ( this.cachedHashCode != other.cachedHashCode ) {
+			return false; // can't be same if hash is different
+		}
 		if ( this==other ) return true;

 		// System.out.println("comparing "+this+" with "+other);