bjoernager/rust
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discard invalid spans in external blocks

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This commit is contained in:
bohan 2023-11-15 15:28:38 +08:00
parent 6d069a0ac7
commit 4138702621
4 changed files with 71 additions and 2 deletions
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2
compiler/rustc_parse/src/errors.rs
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@ -1676,7 +1676,7 @@ pub(crate) struct ExternItemCannotBeConst {
#[primary_span]
pub ident_span: Span,
#[suggestion(code = "static ", applicability = "machine-applicable")]
pub const_span: Span,
pub const_span: Option<Span>,
}
#[derive(Diagnostic)]

4
compiler/rustc_parse/src/parser/item.rs
View file

@ -1143,9 +1143,11 @@ impl<'a> Parser<'a> {
Ok(kind) => kind,
Err(kind) => match kind {
ItemKind::Const(box ConstItem { ty, expr, .. }) => {
let const_span = Some(span.with_hi(ident.span.lo()))
.filter(|span| span.can_be_used_for_suggestions());
self.sess.emit_err(errors::ExternItemCannotBeConst {
ident_span: ident.span,
const_span: span.with_hi(ident.span.lo()),
const_span,
});
ForeignItemKind::Static(ty, Mutability::Not, expr)
}