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Move a function

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This commit is contained in:
Nadrieril 2024-06-30 12:12:34 +02:00
parent 9dcaa7f92c
commit 5bf50e66f9
1 changed files with 19 additions and 19 deletions
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38
compiler/rustc_mir_build/src/build/matches/mod.rs
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@ -1624,6 +1624,25 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
otherwise_block
}
/// Given a match-pair that corresponds to an or-pattern, expand each subpattern into a new
/// subcandidate. Any candidate that has been expanded that way should be passed to
/// `finalize_or_candidate` after its subcandidates have been processed.
fn create_or_subcandidates<'pat>(
&mut self,
candidate: &mut Candidate<'pat, 'tcx>,
match_pair: MatchPair<'pat, 'tcx>,
) {
let TestCase::Or { pats } = match_pair.test_case else { bug!() };
debug!("expanding or-pattern: candidate={:#?}\npats={:#?}", candidate, pats);
candidate.or_span = Some(match_pair.pattern.span);
candidate.subcandidates = pats
.into_vec()
.into_iter()
.map(|flat_pat| Candidate::from_flat_pat(flat_pat, candidate.has_guard))
.collect();
candidate.subcandidates[0].false_edge_start_block = candidate.false_edge_start_block;
}
/// Simplify subcandidates and process any leftover match pairs. The candidate should have been
/// expanded with `create_or_subcandidates`.
///
@ -1724,25 +1743,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
}
}
/// Given a match-pair that corresponds to an or-pattern, expand each subpattern into a new
/// subcandidate. Any candidate that has been expanded that way should be passed to
/// `finalize_or_candidate` after its subcandidates have been processed.
fn create_or_subcandidates<'pat>(
&mut self,
candidate: &mut Candidate<'pat, 'tcx>,
match_pair: MatchPair<'pat, 'tcx>,
) {
let TestCase::Or { pats } = match_pair.test_case else { bug!() };
debug!("expanding or-pattern: candidate={:#?}\npats={:#?}", candidate, pats);
candidate.or_span = Some(match_pair.pattern.span);
candidate.subcandidates = pats
.into_vec()
.into_iter()
.map(|flat_pat| Candidate::from_flat_pat(flat_pat, candidate.has_guard))
.collect();
candidate.subcandidates[0].false_edge_start_block = candidate.false_edge_start_block;
}
/// Try to merge all of the subcandidates of the given candidate into one. This avoids
/// exponentially large CFGs in cases like `(1 | 2, 3 | 4, ...)`. The candidate should have been
/// expanded with `create_or_subcandidates`.