From d586a56a3b9f5b928fd73597c6f7086d7b29d0dc Mon Sep 17 00:00:00 2001
From: Uwe Schindler <uschindler@apache.org>
Date: Fri, 13 Sep 2013 11:27:26 +0000
Subject: [PATCH] LUCENE-5207: Limit the maximum class name length

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene5207@1522877 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/lucene/expressions/js/JavascriptCompiler.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptCompiler.java b/lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptCompiler.java
index 8caf83e1a43..1978dd84565 100644
--- a/lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptCompiler.java
+++ b/lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptCompiler.java
@@ -196,6 +196,9 @@ public class JavascriptCompiler {
         wasIdentifierPart = false;
       }
     }
+    // limit maximum length, theoretically 65536 is allowed in constant pool (in UTF-8 format).
+    if (sb.length() > 1204) sb.setLength(1024);
+    // remove trailing underscores
     for (int i = sb.length() - 1; i >= 0; i--) {
       if (sb.charAt(i) == '_') {
         sb.setLength(i);