From 5a9773fbc6b28e471c7f3d2ca3547c00a019eb55 Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <Kirill.Likhodedov@jetbrains.com>
Date: Tue, 23 Sep 2014 18:08:29 +0400
Subject: [PATCH] Fix NPE in GlobalMatchingVisitor

---
 .../structuralsearch/impl/matcher/GlobalMatchingVisitor.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/GlobalMatchingVisitor.java b/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/GlobalMatchingVisitor.java
index 5577db0d8540..2af5f0fa47c5 100644
--- a/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/GlobalMatchingVisitor.java
+++ b/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/GlobalMatchingVisitor.java
@@ -188,6 +188,9 @@ public class GlobalMatchingVisitor extends AbstractMatchingVisitor {
    * @param elements the element for which the sons are looked for match
    */
   public void matchContext(final NodeIterator elements) {
+    if (matchContext == null) {
+      return;
+    }
     final CompiledPattern pattern = matchContext.getPattern();
     final NodeIterator patternNodes = pattern.getNodes().clone();
     final MatchResultImpl saveResult = matchContext.hasResult() ? matchContext.getResult() : null;