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feat: show what lint was overruled

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Lieselotte 2026-02-15 15:40:13 +01:00
parent 4c37f6d78c
commit d12923346c
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GPG key ID: 68A9A951C7E1F283
8 changed files with 36 additions and 13 deletions
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7
compiler/rustc_lint/src/errors.rs
View file

@ -20,7 +20,7 @@ pub(crate) struct OverruledAttribute<'a> {
pub(crate) enum OverruledAttributeSub {
DefaultSource { id: String },
NodeSource { span: Span, reason: Option<Symbol> },
CommandLineSource,
CommandLineSource { id: Symbol },
}
impl Subdiagnostic for OverruledAttributeSub {
@ -36,8 +36,9 @@ impl Subdiagnostic for OverruledAttributeSub {
diag.note(rationale.to_string());
}
}
OverruledAttributeSub::CommandLineSource => {
diag.note(msg!("`forbid` lint level was set on command line"));
OverruledAttributeSub::CommandLineSource { id } => {
diag.note(msg!("`forbid` lint level was set on command line (`-F {$id}`)"));
diag.arg("id", id);
}
}
}

4
compiler/rustc_lint/src/levels.rs
View file

@ -580,7 +580,9 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {
LintLevelSource::Node { span, reason, .. } => {
OverruledAttributeSub::NodeSource { span, reason }
}
LintLevelSource::CommandLine(_, _) => OverruledAttributeSub::CommandLineSource,
LintLevelSource::CommandLine(name, _) => {
OverruledAttributeSub::CommandLineSource { id: name }
}
};
if !fcw_warning {
self.sess.dcx().emit_err(OverruledAttribute {