From cb4c5d2f464660abc596aa2761b2fb034be1c59a Mon Sep 17 00:00:00 2001
From: Christoph Reimann <oss@arcor.de>
Date: Sat, 22 May 2010 18:04:53 +0200
Subject: [PATCH] changed Exception message in case of unknown/unhandled XML
 tags

---
 xcbgen/expr.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xcbgen/expr.py b/xcbgen/expr.py
index 79ad8f6..b10b2eb 100644
--- a/xcbgen/expr.py
+++ b/xcbgen/expr.py
@@ -81,14 +81,14 @@ class Expression(object):
             self.rhs = Expression(list(elt)[0], parent)
 
             self.lenfield_name = self.rhs.lenfield_name
-
+            
         elif elt.tag == 'value':
             # Constant expression
             self.nmemb = int(elt.text, 0)
 
         else:
             # Notreached
-            raise Exception('XXX')
+            raise Exception("undefined tag '%s'" % elt.tag)
 
 
     def fixed_size(self):
-- 
2.34.1