From 9f66e30dd077726ad14e460d53beecbf0da46f13 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Wed, 5 Oct 2011 17:04:58 +0200
Subject: [PATCH] EA-30264 - NPE: PsiElementPattern$16.accepts

---
 .../src/com/intellij/patterns/PsiElementPattern.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/platform/lang-api/src/com/intellij/patterns/PsiElementPattern.java b/platform/lang-api/src/com/intellij/patterns/PsiElementPattern.java
index 8c0cd565c635..9e4135f6d999 100644
--- a/platform/lang-api/src/com/intellij/patterns/PsiElementPattern.java
+++ b/platform/lang-api/src/com/intellij/patterns/PsiElementPattern.java
@@ -17,6 +17,7 @@ package com.intellij.patterns;
 
 import com.intellij.lang.ASTNode;
 import com.intellij.lang.Language;
+import com.intellij.openapi.util.TextRange;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.*;
 import com.intellij.psi.meta.PsiMetaData;
@@ -298,7 +299,11 @@ public abstract class PsiElementPattern<T extends PsiElement,Self extends PsiEle
       @Override
       public boolean accepts(@NotNull PsiElement start, ProcessingContext context) {
         PsiElement element = getParent(start);
-        while (element != null && element.getTextRange().getStartOffset() == start.getTextRange().getStartOffset()) {
+        TextRange range = start.getTextRange();
+        if (range == null) return false;
+
+        int startOffset = range.getStartOffset();
+        while (element != null && element.getTextRange() != null && element.getTextRange().getStartOffset() == startOffset) {
           if (ancestor.accepts(element, context)) {
             return true;
           }