diff -r cfd047f3cf60 -r ae3acbf63943 src/share/classes/com/sun/tools/javap/SourceWriter.java
--- a/src/share/classes/com/sun/tools/javap/SourceWriter.java	Thu Aug 26 15:17:17 2010 -0700
+++ b/src/share/classes/com/sun/tools/javap/SourceWriter.java	Thu Aug 26 16:13:33 2010 -0700
@@ -99,7 +99,10 @@
                 }
             }
         }
+    }
 
+    public boolean hasSource() {
+        return (sourceLines.length > 0);
     }
 
     private void setLineMap(Code_attribute attr) {