From 969a798998d67ce64bcdea38a444f47b95069f7b Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Wed, 11 Jul 2012 20:50:03 +0400
Subject: [PATCH] Pre-compile pattern for performance

---
 .../jetbrains/jet/jvm/compiler/NamespaceComparator.java  | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java b/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java
index 7b25a85323d..7f048c263c9 100644
--- a/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java
+++ b/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java
@@ -41,6 +41,7 @@ import java.io.IOException;
 import java.io.StringReader;
 import java.lang.reflect.Method;
 import java.util.*;
+import java.util.regex.Pattern;
 
 /**
  * @author Stepan Koltsov
@@ -202,12 +203,12 @@ public class NamespaceComparator {
      */
     private static class MemberComparator implements Comparator<String> {
 
+        private static final Pattern IRRELEVANT = Pattern.compile(
+                "^ *(private|protected|public|internal|final|abstract|open|override|fun|val|var|/\\*.*?\\*/|((?!<init>)<.*?>)| )*");
+
         @NotNull
         private String normalize(String s) {
-            return s.replaceFirst(
-                    "^ *(private|protected|public|internal|final|abstract|open|override|fun|val|var|/\\*.*?\\*/|((?!<init>)<.*?>)| )*",
-                    "")
-               + s;
+            return IRRELEVANT.matcher(s).replaceAll("");
         }
 
         @Override