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Fix a bunch of bugs in parsing/formatting found by fuzzing

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This commit is contained in:
Joshua Warner 2023-02-05 11:48:05 -08:00
parent acd446f6bd
commit 3fee0d3e8f
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GPG key ID: 89AD497003F93FDD
43 changed files with 593 additions and 70 deletions
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8
crates/compiler/parse/src/ident.rs
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@ -264,6 +264,7 @@ pub enum BadIdent {
WeirdDotQualified(Position),
StrayDot(Position),
BadOpaqueRef(Position),
QualifiedTupleAccessor(Position),
}
fn is_alnum(ch: char) -> bool {
@ -500,6 +501,13 @@ fn chomp_identifier_chain<'a>(
match chomp_access_chain(&buffer[chomped..], &mut parts) {
Ok(width) => {
if matches!(parts[0], Accessor::TupleIndex(_)) && first_is_uppercase {
return Err((
chomped as u32,
BadIdent::QualifiedTupleAccessor(pos.bump_column(chomped as u32)),
));
}
chomped += width as usize;
let ident = Ident::Access {