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Add MVP suggestion for unsafe_op_in_unsafe_fn

Nemo157 rebase notes: Migrated the changes to the lint into fluent
This commit is contained in:
Léo Lanteri Thauvin 2022-07-28 00:03:16 +02:00 committed by Wim Looman
parent a525c7ddba
commit 975152ce30
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GPG key ID: C6F5748C6DD1607B
7 changed files with 105 additions and 11 deletions

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@ -1,5 +1,6 @@
use rustc_errors::{
DecorateLint, DiagnosticBuilder, DiagnosticMessage, EmissionGuarantee, Handler, IntoDiagnostic,
Applicability, DecorateLint, DiagnosticBuilder, DiagnosticMessage, EmissionGuarantee, Handler,
IntoDiagnostic,
};
use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
use rustc_middle::mir::{AssertKind, UnsafetyViolationDetails};
@ -130,6 +131,7 @@ impl RequiresUnsafeDetail {
pub(crate) struct UnsafeOpInUnsafeFn {
pub details: RequiresUnsafeDetail,
pub suggest_unsafe_block: Option<(Span, Span)>,
}
impl<'a> DecorateLint<'a, ()> for UnsafeOpInUnsafeFn {
@ -138,13 +140,20 @@ impl<'a> DecorateLint<'a, ()> for UnsafeOpInUnsafeFn {
self,
diag: &'b mut DiagnosticBuilder<'a, ()>,
) -> &'b mut DiagnosticBuilder<'a, ()> {
let desc = diag
.handler()
.expect("lint should not yet be emitted")
.eagerly_translate_to_string(self.details.label(), [].into_iter());
let handler = diag.handler().expect("lint should not yet be emitted");
let desc = handler.eagerly_translate_to_string(self.details.label(), [].into_iter());
diag.set_arg("details", desc);
diag.span_label(self.details.span, self.details.label());
diag.note(self.details.note());
if let Some((start, end)) = self.suggest_unsafe_block {
diag.multipart_suggestion_verbose(
crate::fluent_generated::mir_transform_suggestion,
vec![(start, " unsafe {".into()), (end, "}".into())],
Applicability::MaybeIncorrect,
);
}
diag
}