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[3.10] bpo-46936: Update grammar_grapher with the new forced (&&) directive (GH-31704) #31719

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Merged
merged 1 commit into from
Mar 7, 2022
Merged

[3.10] bpo-46936: Update grammar_grapher with the new forced (&&) directive (GH-31704) #31719

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3 changes: 3 additions & 0 deletions Tools/peg_generator/scripts/grammar_grapher.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
from pegen.grammar import (
Alt,
Cut,
Forced,
Grammar,
Group,
Leaf,
Expand Down Expand Up @@ -57,6 +58,8 @@ def references_for_item(item: Any) -> List[Any]:
return [_ref for _item in item.items for _ref in references_for_item(_item)]
elif isinstance(item, Cut):
return []
elif isinstance(item, Forced):
return references_for_item(item.node)
elif isinstance(item, Group):
return references_for_item(item.rhs)
elif isinstance(item, Lookahead):
Expand Down