From 57eb76aab3e54835868678b328adedf41704a030 Mon Sep 17 00:00:00 2001
From: sharwell <sharwell@pixelminegames.com>
Date: Thu, 17 Nov 2011 18:26:46 -0800
Subject: [PATCH] v4: StringBuilder instead of StringBuffer

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 9357]
---
 runtime/Java/src/org/antlr/v4/runtime/atn/ATNConfig.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/runtime/Java/src/org/antlr/v4/runtime/atn/ATNConfig.java b/runtime/Java/src/org/antlr/v4/runtime/atn/ATNConfig.java
index 76baa52b2..c19123752 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/atn/ATNConfig.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/atn/ATNConfig.java
@@ -143,7 +143,7 @@ public class ATNConfig {
 	}
 
 	public String toString(Recognizer<?> recog, boolean showAlt) {
-		StringBuffer buf = new StringBuffer();
+		StringBuilder buf = new StringBuilder();
 //		if ( state.ruleIndex>=0 ) {
 //			if ( recog!=null ) buf.append(recog.getRuleNames()[state.ruleIndex]+":");
 //			else buf.append(state.ruleIndex+":");
@@ -158,7 +158,7 @@ public class ATNConfig {
             buf.append(context);
         }
 		if ( reachesIntoOuterContext>0 ) {
-			buf.append("|up="+reachesIntoOuterContext);
+			buf.append("|up=").append(reachesIntoOuterContext);
 		}
 //		if (isAccept) {
 //			buf.append("|=>"+alt);