From 9e0753b5c6caa468e7c75ef8edbea4328f43db48 Mon Sep 17 00:00:00 2001
From: "peter.gromov" <peter@jetbrains.com>
Date: Wed, 10 Nov 2010 15:57:12 +0300
Subject: [PATCH] only allow to create anchors for existing PSI

---
 platform/lang-impl/src/com/intellij/psi/PsiAnchor.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/psi/PsiAnchor.java b/platform/lang-impl/src/com/intellij/psi/PsiAnchor.java
index e42ffa872dc5..1fb72c4108dc 100644
--- a/platform/lang-impl/src/com/intellij/psi/PsiAnchor.java
+++ b/platform/lang-impl/src/com/intellij/psi/PsiAnchor.java
@@ -48,7 +48,7 @@ public abstract class PsiAnchor {
   public abstract int getStartOffset();
   public abstract int getEndOffset();
 
-  public static PsiAnchor create(final PsiElement element) {
+  public static PsiAnchor create(@NotNull final PsiElement element) {
     LOG.assertTrue(element.isValid());
 
     if (element instanceof PsiFile) {