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Merge pull request #363 from dtolnay/joinspan

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Try joining a span for #[source] and #[from]
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David Tolnay 2024-11-05 00:17:58 -05:00 • committed by GitHub
commit b7f7bfdd40
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3 changed files with 12 additions and 6 deletions
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10
impl/src/attr.rs
View file

@ -75,9 +75,12 @@ pub fn get(input: &[Attribute]) -> Result<Attrs> {
if attrs.source.is_some() {
return Err(Error::new_spanned(attr, "duplicate #[source] attribute"));
}
let span = (attr.pound_token.span)
.join(attr.bracket_token.span.join())
.unwrap_or(attr.path().get_ident().unwrap().span());
attrs.source = Some(Source {
original: attr,
span: attr.path().get_ident().unwrap().span(),
span,
});
} else if attr.path().is_ident("backtrace") {
attr.meta.require_path_only()?;
@ -96,9 +99,12 @@ pub fn get(input: &[Attribute]) -> Result<Attrs> {
if attrs.from.is_some() {
return Err(Error::new_spanned(attr, "duplicate #[from] attribute"));
}
let span = (attr.pound_token.span)
.join(attr.bracket_token.span.join())
.unwrap_or(attr.path().get_ident().unwrap().span());
attrs.from = Some(From {
original: attr,
span: attr.path().get_ident().unwrap().span(),
span,
});
}
}

4
tests/ui/source-enum-unnamed-field-not-error.stderr
View file

@ -1,11 +1,11 @@
error[E0599]: the method `as_dyn_error` exists for reference `&NotError`, but its trait bounds were not satisfied
--> tests/ui/source-enum-unnamed-field-not-error.rs:9:14
--> tests/ui/source-enum-unnamed-field-not-error.rs:9:12
|
4 | pub struct NotError;
| ------------------- doesn't satisfy `NotError: AsDynError<'_>` or `NotError: std::error::Error`
...
9 | Broken(#[source] NotError),
| ^^^^^^ method cannot be called on `&NotError` due to unsatisfied trait bounds
| ^^^^^^^^^ method cannot be called on `&NotError` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`NotError: std::error::Error`

4
tests/ui/source-struct-unnamed-field-not-error.stderr
View file

@ -1,11 +1,11 @@
error[E0599]: the method `as_dyn_error` exists for struct `NotError`, but its trait bounds were not satisfied
--> tests/ui/source-struct-unnamed-field-not-error.rs:8:26
--> tests/ui/source-struct-unnamed-field-not-error.rs:8:24
|
4 | struct NotError;
| --------------- method `as_dyn_error` not found for this struct because it doesn't satisfy `NotError: AsDynError<'_>` or `NotError: std::error::Error`
...
8 | pub struct ErrorStruct(#[source] NotError);
| ^^^^^^ method cannot be called on `NotError` due to unsatisfied trait bounds
| ^^^^^^^^^ method cannot be called on `NotError` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`NotError: std::error::Error`