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Code Issues Releases Activity

Store resolution for self and crate root module segments

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This commit is contained in:
Michael Goulet 2024-10-27 00:16:44 +00:00
parent a1f2999536
commit 19b528b8a0
5 changed files with 63 additions and 7 deletions
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14
compiler/rustc_resolve/src/ident.rs
View File

@ -1478,9 +1478,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
if segment_idx == 0 {
if name == kw::SelfLower {
let mut ctxt = ident.span.ctxt().normalize_to_macros_2_0();
module = Some(ModuleOrUniformRoot::Module(
self.resolve_self(&mut ctxt, parent_scope.module),
));
let self_mod = self.resolve_self(&mut ctxt, parent_scope.module);
if let Some(res) = self_mod.res() {
record_segment_res(self, res);
}
module = Some(ModuleOrUniformRoot::Module(self_mod));
continue;
}
if name == kw::PathRoot && ident.span.at_least_rust_2018() {
@ -1497,7 +1499,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
}
if name == kw::PathRoot || name == kw::Crate || name == kw::DollarCrate {
// `::a::b`, `crate::a::b` or `$crate::a::b`
module = Some(ModuleOrUniformRoot::Module(self.resolve_crate_root(ident)));
let crate_root = self.resolve_crate_root(ident);
if let Some(res) = crate_root.res() {
record_segment_res(self, res);
}
module = Some(ModuleOrUniformRoot::Module(crate_root));
continue;
}
}

18
tests/ui/generics/generics-on-self-mod-segment.rs Normal file
View File

@ -0,0 +1,18 @@
struct Ty;
fn self_(_: self::<i32>::Ty) {}
//~^ ERROR type arguments are not allowed on module `generics_on_self_mod_segment`
fn crate_(_: crate::<i32>::Ty) {}
//~^ ERROR type arguments are not allowed on module `generics_on_self_mod_segment`
macro_rules! dollar_crate {
() => {
fn dollar_crate_(_: $crate::<i32>::Ty) {}
//~^ ERROR type arguments are not allowed on module `generics_on_self_mod_segment`
}
}
dollar_crate!();
fn main() {}

32
tests/ui/generics/generics-on-self-mod-segment.stderr Normal file
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@ -0,0 +1,32 @@
error[E0109]: type arguments are not allowed on module `generics_on_self_mod_segment`
--> $DIR/generics-on-self-mod-segment.rs:3:20
|
LL | fn self_(_: self::<i32>::Ty) {}
| ---- ^^^ type argument not allowed
| |
| not allowed on module `generics_on_self_mod_segment`
error[E0109]: type arguments are not allowed on module `generics_on_self_mod_segment`
--> $DIR/generics-on-self-mod-segment.rs:6:22
|
LL | fn crate_(_: crate::<i32>::Ty) {}
| ----- ^^^ type argument not allowed
| |
| not allowed on module `generics_on_self_mod_segment`
error[E0109]: type arguments are not allowed on module `generics_on_self_mod_segment`
--> $DIR/generics-on-self-mod-segment.rs:11:38
|
LL | fn dollar_crate_(_: $crate::<i32>::Ty) {}
| ------ ^^^ type argument not allowed
| |
| not allowed on module `generics_on_self_mod_segment`
...
LL | dollar_crate!();
| --------------- in this macro invocation
|
= note: this error originates in the macro `dollar_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0109`.

2
tests/ui/trait-bounds/maybe-bound-has-path-args.rs
View File

@ -1,7 +1,7 @@
trait Trait {}
fn test<T: ?self::<i32>::Trait>() {}
//~^ ERROR type arguments are not allowed on this type
//~^ ERROR type arguments are not allowed on module `maybe_bound_has_path_args`
//~| WARN relaxing a default bound only does something for `?Sized`
fn main() {}

4
tests/ui/trait-bounds/maybe-bound-has-path-args.stderr
View File

@ -4,13 +4,13 @@ warning: relaxing a default bound only does something for `?Sized`; all other tr
LL | fn test<T: ?self::<i32>::Trait>() {}
| ^^^^^^^^^^^^^^^^^^^
error[E0109]: type arguments are not allowed on this type
error[E0109]: type arguments are not allowed on module `maybe_bound_has_path_args`
--> $DIR/maybe-bound-has-path-args.rs:3:20
|
LL | fn test<T: ?self::<i32>::Trait>() {}
| ---- ^^^ type argument not allowed
| |
| not allowed on this type
| not allowed on module `maybe_bound_has_path_args`
error: aborting due to 1 previous error; 1 warning emitted