From e4f7dd08d7b74bd515703d1e34f8750bd7e85576 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 3 Jul 2014 16:01:43 +0200
Subject: [PATCH] MinusculeMatcher: don't make grand claims about slowness on
 the basis of just one measurement

---
 .../psi/codeStyle/MinusculeMatcher.java       | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/platform/util/src/com/intellij/psi/codeStyle/MinusculeMatcher.java b/platform/util/src/com/intellij/psi/codeStyle/MinusculeMatcher.java
index 4e22c74f5fa5..2ffda700808b 100644
--- a/platform/util/src/com/intellij/psi/codeStyle/MinusculeMatcher.java
+++ b/platform/util/src/com/intellij/psi/codeStyle/MinusculeMatcher.java
@@ -215,8 +215,7 @@ public class MinusculeMatcher implements Matcher {
   }
 
   @Nullable
-  public FList<TextRange> matchingFragments(@NotNull String name) {
-    long start = System.currentTimeMillis();
+  private FList<TextRange> calcMatchingFragments(@NotNull String name) {
     MatchingState state = myMatchingState.get();
     state.initializeState(name);
     try {
@@ -224,12 +223,23 @@ public class MinusculeMatcher implements Matcher {
     }
     finally {
       state.releaseState();
-      if (System.currentTimeMillis() - start > 1000 &&
-          // if there's little free memory, it might have been the gc affecting the performance
-          Runtime.getRuntime().freeMemory() > Runtime.getRuntime().totalMemory() * 3 / 10) {
-        LOG.error("Too long matching: name=" + name + "; prefix=" + new String(myPattern));
+    }
+  }
+
+  @Nullable
+  public FList<TextRange> matchingFragments(@NotNull String name) {
+    long start = System.currentTimeMillis();
+    FList<TextRange> result = calcMatchingFragments(name);
+    if (System.currentTimeMillis() - start > 1000 &&
+        // if there's little free memory, it might have been the gc affecting the performance
+        Runtime.getRuntime().freeMemory() > Runtime.getRuntime().totalMemory() * 3 / 10) {
+      start = System.currentTimeMillis();
+      calcMatchingFragments(name);
+      if (System.currentTimeMillis() - start > 1000) {
+        LOG.error("Too long name matching: name=" + name + "; prefix=" + new String(myPattern));
       }
     }
+    return result;
   }
 
   /**