From 7c0dece7a7e24f72149143b43ee3d98378cd0ec8 Mon Sep 17 00:00:00 2001
From: Vladimir Krivosheev <vladimir.krivosheev@jetbrains.com>
Date: Mon, 7 Apr 2014 11:31:13 +0200
Subject: [PATCH] fix NPE

---
 .../impl/ui/ExecutionPointHighlighter.java    | 21 ++++++++-----------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/ExecutionPointHighlighter.java b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/ExecutionPointHighlighter.java
index d47996fccd10..d1b5617df7a7 100644
--- a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/ExecutionPointHighlighter.java
+++ b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/ExecutionPointHighlighter.java
@@ -61,6 +61,8 @@ public class ExecutionPointHighlighter {
     AppUIUtil.invokeLaterIfProjectAlive(myProject, new Runnable() {
       @Override
       public void run() {
+        updateRequested.set(false);
+
         mySourcePosition = position;
 
         myOpenFileDescriptor = XSourcePositionImpl.createOpenFileDescriptor(myProject, position);
@@ -78,7 +80,12 @@ public class ExecutionPointHighlighter {
     AppUIUtil.invokeOnEdt(new Runnable() {
       @Override
       public void run() {
-        doHide();
+        updateRequested.set(false);
+
+        removeHighlighter();
+        myOpenFileDescriptor = null;
+        myEditor = null;
+        myGutterIconRenderer = null;
       }
     });
   }
@@ -122,22 +129,12 @@ public class ExecutionPointHighlighter {
     ApplicationManager.getApplication().assertIsDispatchThread();
     removeHighlighter();
 
-    myEditor = XDebuggerUtilImpl.createEditor(myOpenFileDescriptor);
+    myEditor = myOpenFileDescriptor == null ? null : XDebuggerUtilImpl.createEditor(myOpenFileDescriptor);
     if (myEditor != null) {
       addHighlighter();
     }
   }
 
-  private void doHide() {
-    updateRequested.set(false);
-
-    ApplicationManager.getApplication().assertIsDispatchThread();
-    removeHighlighter();
-    myOpenFileDescriptor = null;
-    myEditor = null;
-    myGutterIconRenderer = null;
-  }
-
   private void removeHighlighter() {
     if (myRangeHighlighter == null || myEditor == null) {
       return;