From 77026684cc950e8867360cdaae0f89f548d45af3 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Tue, 6 Sep 2016 15:06:37 +0200
Subject: [PATCH] disable identifier highlighter in dumb mode (IDEA-160814)

---
 .../daemon/impl/IdentifierHighlighterPassFactory.java           | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/IdentifierHighlighterPassFactory.java b/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/IdentifierHighlighterPassFactory.java
index 48844ec28e37..4190701453a5 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/IdentifierHighlighterPassFactory.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/IdentifierHighlighterPassFactory.java
@@ -23,6 +23,7 @@ import com.intellij.codeInsight.CodeInsightSettings;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.components.AbstractProjectComponent;
 import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiFile;
 import org.jetbrains.annotations.NotNull;
@@ -45,6 +46,7 @@ public class IdentifierHighlighterPassFactory extends AbstractProjectComponent i
   public TextEditorHighlightingPass createHighlightingPass(@NotNull final PsiFile file, @NotNull final Editor editor) {
     if (!editor.isOneLineMode() &&
         CodeInsightSettings.getInstance().HIGHLIGHT_IDENTIFIER_UNDER_CARET &&
+        !DumbService.isDumb(myProject) &&
         (!ApplicationManager.getApplication().isHeadlessEnvironment() || ourTestingIdentifierHighlighting) &&
         (file.isPhysical() || file.getOriginalFile().isPhysical())) {
       return new IdentifierHighlighterPass(file.getProject(), file, editor);