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Add link to invalid repr error

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This commit is contained in:
Esteban Küber 2025-08-11 04:39:55 +00:00
parent 625143bac3
commit 6bb29af766
5 changed files with 10 additions and 0 deletions
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1
compiler/rustc_attr_parsing/messages.ftl
View file

@ -132,6 +132,7 @@ attr_parsing_unknown_version_literal =
attr_parsing_unrecognized_repr_hint =
unrecognized representation hint
.help = valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
.note = for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
attr_parsing_unstable_cfg_target_compact =
compact `cfg(target(..))` is experimental and subject to change

1
compiler/rustc_attr_parsing/src/session_diagnostics.rs
View file

@ -498,6 +498,7 @@ pub(crate) struct ReprIdent {
#[derive(Diagnostic)]
#[diag(attr_parsing_unrecognized_repr_hint, code = E0552)]
#[help]
#[note]
pub(crate) struct UnrecognizedReprHint {
#[primary_span]
pub span: Span,

1
tests/ui/attributes/invalid-reprs.stderr
View file

@ -26,6 +26,7 @@ LL | let y = #[repr(uwu(4))]
| ^^^^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error: aborting due to 3 previous errors

2
tests/ui/issues/issue-43988.stderr
View file

@ -25,6 +25,7 @@ LL | #[repr(nothing)]
| ^^^^^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error[E0552]: unrecognized representation hint
--> $DIR/issue-43988.rs:18:12
@ -33,6 +34,7 @@ LL | #[repr(something_not_real)]
| ^^^^^^^^^^^^^^^^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error[E0539]: malformed `repr` attribute input
--> $DIR/issue-43988.rs:24:5

5
tests/ui/repr/invalid_repr_list_help.stderr
View file

@ -5,6 +5,7 @@ LL | #[repr(uwu)]
| ^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error[E0552]: unrecognized representation hint
--> $DIR/invalid_repr_list_help.rs:6:8
@ -13,6 +14,7 @@ LL | #[repr(uwu = "a")]
| ^^^^^^^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error[E0552]: unrecognized representation hint
--> $DIR/invalid_repr_list_help.rs:9:8
@ -21,6 +23,7 @@ LL | #[repr(uwu(4))]
| ^^^^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error[E0552]: unrecognized representation hint
--> $DIR/invalid_repr_list_help.rs:14:8
@ -29,6 +32,7 @@ LL | #[repr(uwu, u8)]
| ^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error[E0552]: unrecognized representation hint
--> $DIR/invalid_repr_list_help.rs:19:8
@ -37,6 +41,7 @@ LL | #[repr(uwu)]
| ^^^
|
= help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations>
error: unknown `doc` attribute `owo`
--> $DIR/invalid_repr_list_help.rs:20:7