bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Pattern types: Prohibit generic args on const params

Browse source
This commit is contained in:
León Orell Valerian Liehr 2024-05-11 15:40:34 +02:00
parent 7c4ac0603e
commit 7faa879486
No known key found for this signature in database
GPG key ID: D17A07215F68E713
6 changed files with 66 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

12
compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs
View file

@ -1388,7 +1388,7 @@ pub enum GenericsArgsErrExtend<'tcx> {
span: Span,
},
SelfTyParam(Span),
TyParam(DefId),
Param(DefId),
DefVariant,
None,
}
@ -1504,11 +1504,11 @@ fn generics_args_err_extend<'a>(
GenericsArgsErrExtend::DefVariant => {
err.note("enum variants can't have type parameters");
}
GenericsArgsErrExtend::TyParam(def_id) => {
if let Some(span) = tcx.def_ident_span(def_id) {
let name = tcx.item_name(def_id);
err.span_note(span, format!("type parameter `{name}` defined here"));
}
GenericsArgsErrExtend::Param(def_id) => {
let span = tcx.def_ident_span(def_id).unwrap();
let kind = tcx.def_descr(def_id);
let name = tcx.item_name(def_id);
err.span_note(span, format!("{kind} `{name}` defined here"));
}
GenericsArgsErrExtend::SelfTyParam(span) => {
err.span_suggestion_verbose(

11
compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
View file

@ -1756,7 +1756,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
assert_eq!(opt_self_ty, None);
let _ = self.prohibit_generic_args(
path.segments.iter(),
GenericsArgsErrExtend::TyParam(def_id),
GenericsArgsErrExtend::Param(def_id),
);
self.lower_ty_param(hir_id)
}
@ -2196,10 +2196,15 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
hir::ExprKind::Path(hir::QPath::Resolved(
_,
&hir::Path {
res: Res::Def(DefKind::ConstParam, def_id), ..
path @ &hir::Path {
res: Res::Def(DefKind::ConstParam, def_id),
..
},
)) => {
let _ = self.prohibit_generic_args(
path.segments.iter(),
GenericsArgsErrExtend::Param(def_id),
);
let ty = tcx
.type_of(def_id)
.no_bound_vars()