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Handle methodcalls & operators in patterns

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Lieselotte 2024-01-28 16:12:21 +01:00
parent 6351247048
commit 6f014a81b2
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29 changed files with 809 additions and 66 deletions
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13
compiler/rustc_parse/src/parser/expr.rs
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@ -444,6 +444,19 @@ impl<'a> Parser<'a> {
) if self.restrictions.contains(Restrictions::CONST_EXPR) => {
return None;
}
// When recovering patterns as expressions, stop parsing when encountering an assignment `=`, an alternative `|`, or a range `..`.
(
Some(
AssocOp::Assign
| AssocOp::AssignOp(_)
| AssocOp::BitOr
| AssocOp::DotDot
| AssocOp::DotDotEq,
),
_,
) if self.restrictions.contains(Restrictions::IS_PAT) => {
return None;
}
(Some(op), _) => (op, self.token.span),
(None, Some((Ident { name: sym::and, span }, false))) if self.may_recover() => {
self.dcx().emit_err(errors::InvalidLogicalOperator {