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Add MVP suggestion for unsafe_op_in_unsafe_fn

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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
7 changed files with 105 additions and 11 deletions
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26
compiler/rustc_mir_transform/src/check_unsafety.rs
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@@ -527,6 +527,8 @@ pub fn check_unsafety(tcx: TyCtxt<'_>, def_id: LocalDefId) {
}
let UnsafetyCheckResult { violations, unused_unsafes, .. } = tcx.unsafety_check_result(def_id);
// Only suggest wrapping the entire function body in an unsafe block once
let mut suggest_unsafe_block = true;
for &UnsafetyViolation { source_info, lint_root, kind, details } in violations.iter() {
let details = errors::RequiresUnsafeDetail { violation: details, span: source_info.span };
@@ -561,12 +563,24 @@ pub fn check_unsafety(tcx: TyCtxt<'_>, def_id: LocalDefId) {
op_in_unsafe_fn_allowed,
});
}
UnsafetyViolationKind::UnsafeFn => tcx.emit_spanned_lint(
UNSAFE_OP_IN_UNSAFE_FN,
lint_root,
source_info.span,
errors::UnsafeOpInUnsafeFn { details },
),
UnsafetyViolationKind::UnsafeFn => {
tcx.emit_spanned_lint(
UNSAFE_OP_IN_UNSAFE_FN,
lint_root,
source_info.span,
errors::UnsafeOpInUnsafeFn {
details,
suggest_unsafe_block: suggest_unsafe_block.then(|| {
let body = tcx.hir().body_owned_by(def_id);
let body_span = tcx.hir().body(body).value.span;
let start = tcx.sess.source_map().start_point(body_span).shrink_to_hi();
let end = tcx.sess.source_map().end_point(body_span).shrink_to_lo();
(start, end)
}),
},
);
suggest_unsafe_block = false;
}
}
}