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feat(generate): warn about unreachable variables (#4567)

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Antonin Delpeuch 2025-07-21 11:39:18 +02:00 • committed by GitHub
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crates/generate/src/parse_grammar.rs
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@ -247,6 +247,7 @@ pub(crate) fn parse_grammar(input: &str) -> ParseGrammarResult<InputGrammar> {
&mut in_progress,
)
{
eprintln!("Warning: unused variable {name:?}");
grammar_json.conflicts.retain(|r| !r.contains(name));
grammar_json.supertypes.retain(|r| r != name);
grammar_json.inline.retain(|r| r != name);