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Update grammar_grapher with the new forced (&&) directive (#31704)

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Luca Chiodini 2022-03-06 15:26:28 +01:00 • committed by GitHub
parent eafec26ae5
commit 7f07b5ee9c
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Tools/peg_generator/scripts/grammar_grapher.py
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@ -29,6 +29,7 @@
from pegen.grammar import ( from pegen.grammar import (
Alt, Alt,
Cut, Cut,
Forced,
Grammar, Grammar,
Group, Group,
Leaf, Leaf,
@ -60,6 +61,8 @@ def references_for_item(item: Any) -> List[Any]:
return [_ref for _item in item.items for _ref in references_for_item(_item)] return [_ref for _item in item.items for _ref in references_for_item(_item)]
elif isinstance(item, Cut): elif isinstance(item, Cut):
return [] return []
elif isinstance(item, Forced):
return references_for_item(item.node)
elif isinstance(item, Group): elif isinstance(item, Group):
return references_for_item(item.rhs) return references_for_item(item.rhs)
elif isinstance(item, Lookahead): elif isinstance(item, Lookahead):