From b08a89da1370fc872bcced07911d37ae47f18828 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 6 Mar 2014 17:02:45 +0100
Subject: [PATCH] cache scope attribute keys to reduce daemon garbage

---
 .../options/colors/ScopeAttributesUtil.java          | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/platform/analysis-impl/src/com/intellij/application/options/colors/ScopeAttributesUtil.java b/platform/analysis-impl/src/com/intellij/application/options/colors/ScopeAttributesUtil.java
index 4466f6873325..530d7a096603 100644
--- a/platform/analysis-impl/src/com/intellij/application/options/colors/ScopeAttributesUtil.java
+++ b/platform/analysis-impl/src/com/intellij/application/options/colors/ScopeAttributesUtil.java
@@ -16,11 +16,21 @@
 package com.intellij.application.options.colors;
 
 import com.intellij.openapi.editor.colors.TextAttributesKey;
+import com.intellij.util.containers.ConcurrentFactoryMap;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 public class ScopeAttributesUtil {
+  @SuppressWarnings("MismatchedQueryAndUpdateOfCollection")
+  private static final ConcurrentFactoryMap<String, TextAttributesKey> ourCache = new ConcurrentFactoryMap<String, TextAttributesKey>() {
+    @Nullable
+    @Override
+    protected TextAttributesKey create(String scope) {
+      return TextAttributesKey.find("SCOPE_KEY_" + scope);
+    }
+  };
   @NotNull
   public static TextAttributesKey getScopeTextAttributeKey(@NotNull String scope) {
-    return TextAttributesKey.find("SCOPE_KEY_" + scope);
+    return ourCache.get(scope);
   }
 }