Abort when trying to translate a node of unknown type. This happens

when (for example) the node is corrupted by its parser being freed
before it's passed into the translation function ... a classic C-style
bug that's taken much of this evening to find and fix.  Defensive
programming, guys ...

diff --git a/src/cqltransform.c b/src/cqltransform.c
index 70c45e7..a203f61 100644 (file)
--- a/src/cqltransform.c
+++ b/src/cqltransform.c
@@ -1,4 +1,4 @@
-/* $Id: cqltransform.c,v 1.16 2005-06-27 22:03:59 adam Exp $
+/* $Id: cqltransform.c,v 1.17 2005-12-21 00:04:14 mike Exp $
    Copyright (C) 1995-2005, Index Data ApS
    Index Data Aps
 
@@ -446,6 +446,10 @@ void cql_transform_r(cql_transform_t ct,
 
         cql_transform_r(ct, cn->u.boolean.left, pr, client_data);
         cql_transform_r(ct, cn->u.boolean.right, pr, client_data);
+
+    default:
+        fprintf(stderr, "Fatal: impossible CQL node-type %d\n", cn->which);
+        abort();
     }
 }