From 8b2f7eeb0c08cfa3714e05c0bcb6390d206478ae Mon Sep 17 00:00:00 2001
From: Olga Strizhenko <olga.strizhenko@jetbrains.com>
Date: Fri, 2 Feb 2018 15:43:33 +0300
Subject: [PATCH] Spellchecker: cover null case

---
 .../spellchecker/SpellCheckerManager.java     | 26 ++++++++++---------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/spellchecker/src/com/intellij/spellchecker/SpellCheckerManager.java b/spellchecker/src/com/intellij/spellchecker/SpellCheckerManager.java
index 9c2e5657eb3c..49c5c2a7e07f 100644
--- a/spellchecker/src/com/intellij/spellchecker/SpellCheckerManager.java
+++ b/spellchecker/src/com/intellij/spellchecker/SpellCheckerManager.java
@@ -218,19 +218,21 @@ public class SpellCheckerManager implements Disposable {
     final String transformed = spellChecker.getTransformation().transform(word);
     final EditableDictionary dictionary = DictionaryLevel.PROJECT == dictionaryLevel ? myProjectDictionary : myAppDictionary;
     if (transformed != null) {
-      UndoManager.getInstance(project).undoableActionPerformed(new BasicUndoableAction(file) {
-        @Override
-        public void undo() {
-          dictionary.removeFromDictionary(word);
-          restartInspections();
-        }
+      if(file != null) {
+        UndoManager.getInstance(project).undoableActionPerformed(new BasicUndoableAction(file) {
+          @Override
+          public void undo() {
+            dictionary.removeFromDictionary(word);
+            restartInspections();
+          }
 
-        @Override
-        public void redo() {
-          dictionary.addToDictionary(word);
-          restartInspections();
-        }
-      });
+          @Override
+          public void redo() {
+            dictionary.addToDictionary(word);
+            restartInspections();
+          }
+        });
+      }
       dictionary.addToDictionary(word);
       restartInspections();
     }