generate-introspection.py: Add the problematic filename to XML parse exceptions

Registry.xml had malformed XML; this is fixed in the commit that
removes "name" attributres from the the toplevel node elements.

However, to catch invalid XML in the future, we do it in the Python script.

1 files changed, 5 insertions, 1 deletions

diff --git a/xml/generate-introspection.py b/xml/generate-introspection.py
index 03309101..a0b4d1ec 100644
--- a/xml/generate-introspection.py
+++ b/xml/generate-introspection.py
@@ -68,7 +68,11 @@ def generate_introspection (inputs, c_output_filename, h_output_filename):
 
     for input_filename in inputs:
         #Open the XML file and process includes.
-        tree = ElementTree.parse (input_filename)
+        try:
+            tree = ElementTree.parse (input_filename)
+        except Exception as e:
+            raise type(e)(f"Invalid XML while parsing {input_filename}: {str(e)}")
+
         root = tree.getroot ()
 
         for itf in root.findall ("interface"):