From 779e49fb268f8e90442e5260289d882cfc945e08 Mon Sep 17 00:00:00 2001
From: wisberg <wisberg>
Date: Mon, 5 May 2003 15:08:55 +0000
Subject: [PATCH] NPE guard - client of getSourceLocation only uses files -
 enforcing that. (ajcTests.xml -emacssym passes)

---
 .../internal/core/builder/EmacsStructureModelManager.java   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/EmacsStructureModelManager.java b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/EmacsStructureModelManager.java
index 4c19219aa..1b6283086 100644
--- a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/EmacsStructureModelManager.java
+++ b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/EmacsStructureModelManager.java
@@ -65,6 +65,12 @@ public class EmacsStructureModelManager {
 //    }
 
     private void dumpStructureToFile(ProgramElementNode node) throws IOException {
+        String s = node.getKind();
+        if (!  (s.equals(ProgramElementNode.Kind.FILE_ASPECTJ.toString())
+                || s.equals(ProgramElementNode.Kind.FILE_JAVA.toString()))) {
+            throw new IllegalArgumentException("externalize file, not " + node);
+        }
+        // source files have source locations
         String sourceName = node.getSourceLocation().getSourceFile().getAbsolutePath();
         String fileName = sourceName.substring(0, sourceName.lastIndexOf(".")) + EXTERN_FILE_SUFFIX;
         BufferedWriter writer = null;
-- 
2.39.5