bjoernager/rust
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migrate: bad_attr to SessionDiagnostic

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This commit is contained in:
Rejyr 2022-08-19 17:17:14 -04:00
parent d197c1eb5b
commit 874a79fae3
3 changed files with 53 additions and 18 deletions
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42
compiler/rustc_lint/src/levels.rs
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@ -26,7 +26,7 @@ use rustc_span::symbol::{sym, Symbol};
use rustc_span::{Span, DUMMY_SP};
use tracing::debug;
use crate::errors::UnknownTool;
use crate::errors::{MalformedAttribute, MalformedAttributeSub, UnknownTool};
fn lint_levels(tcx: TyCtxt<'_>, (): ()) -> LintLevelMap {
let store = unerased_lint_store(tcx);
@ -271,7 +271,7 @@ impl<'s> LintLevelsBuilder<'s> {
self.cur = self.sets.list.push(LintSet { specs: FxHashMap::default(), parent: prev });
let sess = self.sess;
let bad_attr = |span| struct_span_err!(sess, span, E0452, "malformed lint attribute input");
// let bad_attr = |span| struct_span_err!(sess, span, E0452, "malformed lint attribute input");
for (attr_index, attr) in attrs.iter().enumerate() {
if attr.has_name(sym::automatically_derived) {
self.current_specs_mut().insert(
@ -322,20 +322,27 @@ impl<'s> LintLevelsBuilder<'s> {
}
reason = Some(rationale);
} else {
bad_attr(name_value.span)
.span_label(name_value.span, "reason must be a string literal")
.emit();
sess.emit_err(MalformedAttribute {
span: name_value.span,
sub: MalformedAttributeSub::ReasonMustBeStringLiteral(
name_value.span,
),
});
}
// found reason, reslice meta list to exclude it
metas.pop().unwrap();
} else {
bad_attr(item.span)
.span_label(item.span, "bad attribute argument")
.emit();
sess.emit_err(MalformedAttribute {
span: item.span,
sub: MalformedAttributeSub::BadAttributeArgument(item.span),
});
}
}
ast::MetaItemKind::List(_) => {
bad_attr(item.span).span_label(item.span, "bad attribute argument").emit();
sess.emit_err(MalformedAttribute {
span: item.span,
sub: MalformedAttributeSub::BadAttributeArgument(item.span),
});
}
}
}
@ -353,20 +360,21 @@ impl<'s> LintLevelsBuilder<'s> {
let meta_item = match li {
ast::NestedMetaItem::MetaItem(meta_item) if meta_item.is_word() => meta_item,
_ => {
let mut err = bad_attr(sp);
let mut add_label = true;
if let Some(item) = li.meta_item() {
if let ast::MetaItemKind::NameValue(_) = item.kind {
if item.path == sym::reason {
err.span_label(sp, "reason in lint attribute must come last");
add_label = false;
sess.emit_err(MalformedAttribute {
span: sp,
sub: MalformedAttributeSub::ReasonMustComeLast(sp),
});
continue;
}
}
}
if add_label {
err.span_label(sp, "bad attribute argument");
}
err.emit();
sess.emit_err(MalformedAttribute {
span: sp,
sub: MalformedAttributeSub::BadAttributeArgument(sp),
});
continue;
}
};