From 49083ec178dae76442505d71cf4be40d790cfa12 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Fri, 28 Nov 2014 14:12:57 +0300
Subject: [PATCH] file level higlighting disappears on typing

---
 .../codeInsight/daemon/LightAdvHighlightingTest.java       | 7 +++++++
 .../codeInsight/daemon/impl/UpdateHighlightersUtil.java    | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightAdvHighlightingTest.java b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightAdvHighlightingTest.java
index 9ac53f437de3..aaf4ae106d31 100644
--- a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightAdvHighlightingTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightAdvHighlightingTest.java
@@ -430,6 +430,13 @@ public class LightAdvHighlightingTest extends LightDaemonAnalyzerTestCase {
       HighlightInfo info = assertOneElement(fileLevel);
       assertEquals("top level", info.getDescription());
 
+      type("\n\n");
+      doHighlighting();
+      fileLevel =
+        ((DaemonCodeAnalyzerImpl)DaemonCodeAnalyzer.getInstance(ourProject)).getFileLevelHighlights(getProject(), getFile());
+      info = assertOneElement(fileLevel);
+      assertEquals("top level", info.getDescription());
+
       type("//xxx"); //disable top level annotation
       List<HighlightInfo> warnings = doHighlighting(HighlightSeverity.WARNING);
       assertEmpty(warnings);
diff --git a/platform/analysis-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java b/platform/analysis-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java
index 123263a566c8..6a1b527dbeb6 100644
--- a/platform/analysis-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java
+++ b/platform/analysis-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java
@@ -167,7 +167,9 @@ public class UpdateHighlightersUtil {
     ApplicationManager.getApplication().assertIsDispatchThread();
 
     final DaemonCodeAnalyzerEx codeAnalyzer = DaemonCodeAnalyzerEx.getInstanceEx(project);
-    codeAnalyzer.cleanFileLevelHighlights(project, group, psiFile);
+    if (startOffset == 0 && endOffset == document.getTextLength()) {
+      codeAnalyzer.cleanFileLevelHighlights(project, group, psiFile);
+    }
 
     final MarkupModel markup = DocumentMarkupModel.forDocument(document, project, true);
     assertMarkupConsistent(markup, project);