From e085921e797e5d9b88c8831771a3fc076441706d Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Tue, 3 May 2016 22:52:07 +0200
Subject: [PATCH] don't let indexing use meaningless empty editor highlighter

---
 .../com/intellij/openapi/editor/impl/EditorImpl.java  | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
index 361a49b9fe74..79639d8ecc0c 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
@@ -1174,16 +1174,13 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
 
     document.addDocumentListener(highlighter);
     myHighlighter = highlighter;
-    myHighlighterDisposable = new Disposable() {
-      @Override
-      public void dispose() {
-        document.removeDocumentListener(highlighter);
-      }
-    };
+    myHighlighterDisposable = () -> document.removeDocumentListener(highlighter);
     Disposer.register(myDisposable, myHighlighterDisposable);
     highlighter.setEditor(this);
     highlighter.setText(document.getImmutableCharSequence());
-    EditorHighlighterCache.rememberEditorHighlighterForCachesOptimization(document, highlighter);
+    if (!(highlighter instanceof EmptyEditorHighlighter)) {
+      EditorHighlighterCache.rememberEditorHighlighterForCachesOptimization(document, highlighter);
+    }
 
     if (myPanel != null) {
       reinitSettings();
-- 
2.32.0