bjoernager/rust
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Validation and other things

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This commit is contained in:
Michael Goulet 2024-04-04 12:54:56 -04:00
parent 41cf87b71b
commit 42ba57c013
26 changed files with 418 additions and 19 deletions
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35
compiler/rustc_resolve/src/late.rs
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@ -1054,7 +1054,10 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast,
fn visit_precise_capturing_arg(&mut self, arg: &'ast PreciseCapturingArg) {
match arg {
// Lower the lifetime regularly; we'll resolve the lifetime and check
// it's a parameter later on in HIR lowering.
PreciseCapturingArg::Lifetime(_) => visit::walk_precise_capturing_arg(self, arg),
PreciseCapturingArg::Arg(ident, node_id) => {
let ident = ident.normalize_to_macros_2_0();
'found: {
@ -1064,6 +1067,38 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast,
if let Some(res) = rib_t.bindings.get(&ident).or(rib_v.bindings.get(&ident))
{
self.r.record_partial_res(*node_id, PartialRes::new(*res));
// Validate that this is a parameter
match res {
Res::Def(DefKind::TyParam | DefKind::ConstParam, _)
| Res::SelfTyParam { .. } => {}
Res::SelfTyAlias { .. } => {
self.report_error(
ident.span,
ResolutionError::FailedToResolve {
segment: Some(ident.name),
label: "`Self` cannot be captured because it is not a type parameter".to_string(),
suggestion: None,
module: None,
},
);
}
_ => {
self.report_error(
ident.span,
ResolutionError::FailedToResolve {
segment: Some(ident.name),
label: format!(
"expected type or const parameter, found {}",
res.descr()
),
suggestion: None,
module: None,
},
);
}
}
break 'found;
}
}