From dd10bbf66da29c31eb0b16c0b2641a3ba3defc81 Mon Sep 17 00:00:00 2001
From: Gregory Shrago <Gregory.Shrago@jetbrains.com>
Date: Wed, 18 Nov 2009 16:23:25 +0300
Subject: [PATCH] invalid PSI<->stub type assertion added

---
 .../com/intellij/psi/stubs/DefaultStubBuilder.java   | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/platform/lang-api/src/com/intellij/psi/stubs/DefaultStubBuilder.java b/platform/lang-api/src/com/intellij/psi/stubs/DefaultStubBuilder.java
index 91bdaffb17dc..b65ca3f870c2 100644
--- a/platform/lang-api/src/com/intellij/psi/stubs/DefaultStubBuilder.java
+++ b/platform/lang-api/src/com/intellij/psi/stubs/DefaultStubBuilder.java
@@ -19,12 +19,17 @@
  */
 package com.intellij.psi.stubs;
 
+import com.intellij.lang.ASTNode;
+import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.StubBasedPsiElement;
 import com.intellij.psi.StubBuilder;
+import com.intellij.psi.tree.IElementType;
 
 public class DefaultStubBuilder implements StubBuilder {
+  private static final Logger LOG = Logger.getInstance("#com.intellij.psi.stubs.DefaultStubBuilder");
+
   public StubElement buildStubTree(final PsiFile file) {
     return buildStubTreeFor(file, createStubForFile(file));
   }
@@ -43,6 +48,13 @@ public class DefaultStubBuilder implements StubBuilder {
         stub = type.createStub(elt, parentStub);
       }
     }
+    else {
+      final ASTNode node = elt.getNode();
+      final IElementType type = node == null? null : node.getElementType();
+      if (type instanceof IStubElementType && ((IStubElementType)type).shouldCreateStub(node)) {
+        LOG.error("Non-StubBasedPsiElement requests stub creation. Stub type: " + type + ", PSI: " + elt);
+      }
+    }
 
     for (PsiElement child = elt.getFirstChild(); child != null; child = child.getNextSibling()) {
       buildStubTreeFor(child, stub);