bjoernager/rust
bjoernager/rust
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Add PatKind::Err

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Lieselotte 2024-01-17 03:14:16 +01:00
parent 6ed31aba1a
commit 7889e99b55
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GPG key ID: 43A6A32F83A6F9B1
23 changed files with 66 additions and 24 deletions
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6
compiler/rustc_ast/src/ast.rs
View file

@ -625,7 +625,8 @@ impl Pat {
| PatKind::Range(..)
| PatKind::Ident(..)
| PatKind::Path(..)
| PatKind::MacCall(_) => {}
| PatKind::MacCall(_)
| PatKind::Err(_) => {}
}
}
@ -809,6 +810,9 @@ pub enum PatKind {
/// A macro pattern; pre-expansion.
MacCall(P<MacCall>),
/// Placeholder for a pattern that wasn't syntactically well formed in some way.
Err(ErrorGuaranteed),
}
/// Whether the `..` is present in a struct fields pattern.

2
compiler/rustc_ast/src/mut_visit.rs
View file

@ -1267,7 +1267,7 @@ pub fn noop_visit_pat<T: MutVisitor>(pat: &mut P<Pat>, vis: &mut T) {
let Pat { id, kind, span, tokens } = pat.deref_mut();
vis.visit_id(id);
match kind {
PatKind::Wild | PatKind::Rest | PatKind::Never => {}
PatKind::Wild | PatKind::Rest | PatKind::Never | PatKind::Err(_) => {}
PatKind::Ident(_binding_mode, ident, sub) => {
vis.visit_ident(ident);
visit_opt(sub, |sub| vis.visit_pat(sub));

2
compiler/rustc_ast/src/visit.rs
View file

@ -568,7 +568,7 @@ pub fn walk_pat<'a, V: Visitor<'a>>(visitor: &mut V, pattern: &'a Pat) {
walk_list!(visitor, visit_expr, lower_bound);
walk_list!(visitor, visit_expr, upper_bound);
}
PatKind::Wild | PatKind::Rest | PatKind::Never => {}
PatKind::Wild | PatKind::Rest | PatKind::Never | PatKind::Err(_) => {}
PatKind::Tuple(elems) | PatKind::Slice(elems) | PatKind::Or(elems) => {
walk_list!(visitor, visit_pat, elems);
}