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Always evaluate vecs of subdiagnostics eagerly

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This commit is contained in:
mejrs 2022-12-04 01:13:21 +01:00
parent d6c4de0fb2
commit a7838d8bd7
6 changed files with 48 additions and 57 deletions
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2
compiler/rustc_infer/src/errors/mod.rs
View File

@ -517,6 +517,6 @@ pub struct MismatchedStaticLifetime<'a> {
pub expl: Option<note_and_explain::RegionExplanation<'a>>,
#[subdiagnostic]
pub does_not_outlive_static_from_impl: DoesNotOutliveStaticFromImpl,
#[subdiagnostic(eager)]
#[subdiagnostic]
pub implicit_static_lifetimes: Vec<ImplicitStaticLifetimeSubdiag>,
}

47
compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs
View File

@ -372,46 +372,21 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> {
}
}
(Meta::Path(_), "subdiagnostic") => {
return Ok(quote! { #diag.subdiagnostic(#binding); });
if FieldInnerTy::from_type(&info.binding.ast().ty).will_iterate() {
let DiagnosticDeriveKind::Diagnostic { handler } = &self.parent.kind else {
// No eager translation for lints.
return Ok(quote! { #diag.subdiagnostic(#binding); });
};
return Ok(quote! { #diag.eager_subdiagnostic(#handler, #binding); });
} else {
return Ok(quote! { #diag.subdiagnostic(#binding); });
}
}
(Meta::NameValue(_), "subdiagnostic") => {
(Meta::List(_), "subdiagnostic") => {
throw_invalid_attr!(attr, &meta, |diag| {
diag.help("`eager` is the only supported nested attribute for `subdiagnostic`")
diag.help("`subdiagnostic` does not support nested attributes")
})
}
(Meta::List(MetaList { ref nested, .. }), "subdiagnostic") => {
if nested.len() != 1 {
throw_invalid_attr!(attr, &meta, |diag| {
diag.help(
"`eager` is the only supported nested attribute for `subdiagnostic`",
)
})
}
let handler = match &self.parent.kind {
DiagnosticDeriveKind::Diagnostic { handler } => handler,
DiagnosticDeriveKind::LintDiagnostic => {
throw_invalid_attr!(attr, &meta, |diag| {
diag.help("eager subdiagnostics are not supported on lints")
})
}
};
let nested_attr = nested.first().expect("pop failed for single element list");
match nested_attr {
NestedMeta::Meta(meta @ Meta::Path(_))
if meta.path().segments.last().unwrap().ident.to_string().as_str()
== "eager" =>
{
return Ok(quote! { #diag.eager_subdiagnostic(#handler, #binding); });
}
_ => {
throw_invalid_nested_attr!(attr, nested_attr, |diag| {
diag.help("`eager` is the only supported nested attribute for `subdiagnostic`")
})
}
}
}
_ => (),
}

2
compiler/rustc_query_system/src/error.rs
View File

@ -49,7 +49,7 @@ pub struct Cycle {
#[primary_span]
pub span: Span,
pub stack_bottom: String,
#[subdiagnostic(eager)]
#[subdiagnostic]
pub cycle_stack: Vec<CycleStack>,
#[subdiagnostic]
pub stack_count: StackCount,

2
compiler/rustc_session/src/errors.rs
View File

@ -176,7 +176,7 @@ impl ExprParenthesesNeeded {
#[derive(Diagnostic)]
#[diag(session_skipping_const_checks)]
pub struct SkippingConstChecks {
#[subdiagnostic(eager)]
#[subdiagnostic]
pub unleashed_features: Vec<UnleashedFeatureHelp>,
}

6
src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs
View File

@ -683,7 +683,7 @@ struct RawIdentDiagnosticArg {
#[diag(compiletest_example)]
struct SubdiagnosticBad {
#[subdiagnostic(bad)]
//~^ ERROR `#[subdiagnostic(bad)]` is not a valid attribute
//~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute
note: Note,
}
@ -707,7 +707,7 @@ struct SubdiagnosticBadTwice {
#[diag(compiletest_example)]
struct SubdiagnosticBadLitStr {
#[subdiagnostic("bad")]
//~^ ERROR `#[subdiagnostic("...")]` is not a valid attribute
//~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute
note: Note,
}
@ -723,6 +723,7 @@ struct SubdiagnosticEagerLint {
#[diag(compiletest_example)]
struct SubdiagnosticEagerCorrect {
#[subdiagnostic(eager)]
//~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute
note: Note,
}
@ -743,6 +744,7 @@ pub(crate) struct SubdiagnosticWithSuggestion {
#[diag(compiletest_example)]
struct SubdiagnosticEagerSuggestion {
#[subdiagnostic(eager)]
//~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute
sub: SubdiagnosticWithSuggestion,
}

46
src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr
View File

@ -533,21 +533,19 @@ LL | #[label]
|
= help: `#[label]` and `#[suggestion]` can only be applied to fields
error: `#[subdiagnostic(bad)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:685:21
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:685:5
|
LL | #[subdiagnostic(bad)]
| ^^^
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: `eager` is the only supported nested attribute for `subdiagnostic`
= help: `subdiagnostic` does not support nested attributes
error: `#[subdiagnostic = ...]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:693:5
|
LL | #[subdiagnostic = "bad"]
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `eager` is the only supported nested attribute for `subdiagnostic`
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:701:5
@ -555,15 +553,15 @@ error: `#[subdiagnostic(...)]` is not a valid attribute
LL | #[subdiagnostic(bad, bad)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `eager` is the only supported nested attribute for `subdiagnostic`
= help: `subdiagnostic` does not support nested attributes
error: `#[subdiagnostic("...")]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:709:21
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:709:5
|
LL | #[subdiagnostic("bad")]
| ^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `eager` is the only supported nested attribute for `subdiagnostic`
= help: `subdiagnostic` does not support nested attributes
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:717:5
@ -571,22 +569,38 @@ error: `#[subdiagnostic(...)]` is not a valid attribute
LL | #[subdiagnostic(eager)]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: eager subdiagnostics are not supported on lints
= help: `subdiagnostic` does not support nested attributes
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:725:5
|
LL | #[subdiagnostic(eager)]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `subdiagnostic` does not support nested attributes
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:746:5
|
LL | #[subdiagnostic(eager)]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `subdiagnostic` does not support nested attributes
error: expected at least one string literal for `code(...)`
--> $DIR/diagnostic-derive.rs:775:18
--> $DIR/diagnostic-derive.rs:777:18
|
LL | #[suggestion(code())]
| ^^^^^^
error: `code(...)` must contain only string literals
--> $DIR/diagnostic-derive.rs:783:23
--> $DIR/diagnostic-derive.rs:785:23
|
LL | #[suggestion(code(foo))]
| ^^^
error: `code = "..."`/`code(...)` must contain only string literals
--> $DIR/diagnostic-derive.rs:791:18
--> $DIR/diagnostic-derive.rs:793:18
|
LL | #[suggestion(code = 3)]
| ^^^^^^^^
@ -665,7 +679,7 @@ LL | arg: impl IntoDiagnosticArg,
| ^^^^^^^^^^^^^^^^^ required by this bound in `DiagnosticBuilder::<'a, G>::set_arg`
= note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 83 previous errors
error: aborting due to 85 previous errors
Some errors have detailed explanations: E0277, E0425.
For more information about an error, try `rustc --explain E0277`.