Add `on_unimplemented" typo suggestions

This commit is contained in:
mejrs 2024-05-15 00:49:33 +02:00
parent ac385a5af6
commit 18d7411719
5 changed files with 85 additions and 5 deletions

View file

@ -29,6 +29,7 @@ use rustc_session::lint::builtin::{LEGACY_DERIVE_HELPERS, SOFT_UNSTABLE};
use rustc_session::lint::builtin::{UNUSED_MACROS, UNUSED_MACRO_RULES};
use rustc_session::lint::BuiltinLintDiag;
use rustc_session::parse::feature_err;
use rustc_span::edit_distance::edit_distance;
use rustc_span::edition::Edition;
use rustc_span::hygiene::{self, ExpnData, ExpnKind, LocalExpnId};
use rustc_span::hygiene::{AstPass, MacroKind};
@ -568,15 +569,24 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
}
if res == Res::NonMacroAttr(NonMacroAttrKind::Tool)
&& path.segments.len() >= 2
&& path.segments[0].ident.name == sym::diagnostic
&& path.segments[1].ident.name != sym::on_unimplemented
&& let [namespace, attribute, ..] = &*path.segments
&& namespace.ident.name == sym::diagnostic
&& attribute.ident.name != sym::on_unimplemented
{
self.tcx.sess.psess.buffer_lint(
let distance =
edit_distance(attribute.ident.name.as_str(), sym::on_unimplemented.as_str(), 5);
let help = if distance.is_some() {
BuiltinLintDiag::MaybeTypo { span: attribute.span(), name: sym::on_unimplemented }
} else {
BuiltinLintDiag::Normal
};
self.tcx.sess.psess.buffer_lint_with_diagnostic(
UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES,
path.segments[1].span(),
attribute.span(),
node_id,
"unknown diagnostic attribute",
help,
);
}