better diagnostic printout

returnvalues/returnvalues_parser.py

@@ -72,6 +72,7 @@ class InterfaceParser(FileParser):
                         current_file_table.update({count: [match.group(1), short_name]})
         if not start_matched:
             print("No start match detected when parsing interface files..")
+            print(f"Current file: {file_name} | Make sure to include a start definition")
             sys.exit(1)
         if not end_matched:
             print("No end match detected when parsing interface files. Make sure to use [EXPORT] : [END]")