Ensure maybe_placeholders is set in lark parsing (#29730)

project-chip · Oct 12, 2023 · c08b8f8 · c08b8f8
1 parent f900f46
commit c08b8f8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/scripts/py_matter_idl/matter_idl/matter_idl_parser.py b/scripts/py_matter_idl/matter_idl/matter_idl_parser.py
@@ -543,6 +543,7 @@ def __init__(self, skip_meta: bool):
         # For this reason, every attempt should be made to make the grammar context free
         self.parser = Lark.open(
             'matter_grammar.lark', rel_to=__file__, start='idl', parser='lalr', propagate_positions=True,
+            maybe_placeholders=True,
             # separate callbacks to ignore from regular parsing (no tokens)
             # while still getting notified about them
             lexer_callbacks={