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rustc_lint: Prevent triplication of 'unknown lint' lint

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This commit is contained in:
Martin Nordholts 2023-12-28 19:09:03 +01:00
parent 741884dab2
commit 7ca4e9fcb2
19 changed files with 42 additions and 392 deletions
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46
compiler/rustc_lint/src/levels.rs
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@ -1054,33 +1054,33 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {
/// Checks if the lint is gated on a feature that is not enabled.
///
/// Returns `true` if the lint's feature is enabled.
// FIXME only emit this once for each attribute, instead of repeating it 4 times for
// pre-expansion lints, post-expansion lints, `shallow_lint_levels_on` and `lint_expectations`.
#[track_caller]
fn check_gated_lint(&self, lint_id: LintId, span: Span, lint_from_cli: bool) -> bool {
if let Some(feature) = lint_id.lint.feature_gate {
if !self.features.active(feature) {
let lint = builtin::UNKNOWN_LINTS;
let (level, src) = self.lint_level(builtin::UNKNOWN_LINTS);
struct_lint_level(
self.sess,
lint,
level,
src,
Some(span.into()),
fluent::lint_unknown_gated_lint,
|lint| {
lint.set_arg("name", lint_id.lint.name_lower());
lint.note(fluent::lint_note);
rustc_session::parse::add_feature_diagnostics_for_issue(
lint,
&self.sess.parse_sess,
feature,
GateIssue::Language,
lint_from_cli,
);
},
);
if self.lint_added_lints {
let lint = builtin::UNKNOWN_LINTS;
let (level, src) = self.lint_level(builtin::UNKNOWN_LINTS);
struct_lint_level(
self.sess,
lint,
level,
src,
Some(span.into()),
fluent::lint_unknown_gated_lint,
|lint| {
lint.set_arg("name", lint_id.lint.name_lower());
lint.note(fluent::lint_note);
rustc_session::parse::add_feature_diagnostics_for_issue(
lint,
&self.sess.parse_sess,
feature,
GateIssue::Language,
lint_from_cli,
);
},
);
}
return false;
}
}