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lint: port unused doc comment diagnostics

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Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-06-28 13:35:33 +01:00
parent e151d66343
commit a13b70ea83
2 changed files with 10 additions and 7 deletions
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5
compiler/rustc_error_messages/locales/en-US/lint.ftl
View File

@ -338,3 +338,8 @@ lint-builtin-anonymous-params = anonymous parameters are deprecated and will be
lint-builtin-deprecated-attr-link = use of deprecated attribute `{$name}`: {$reason}. See {$link}
lint-builtin-deprecated-attr-used = use of deprecated attribute `{$name}`: no longer used.
lint-builtin-deprecated-attr-default-suggestion = remove this attribute
lint-builtin-unused-doc-comment = unused doc comment
.label = rustdoc does not generate documentation for {$kind}
.plain-help = use `//` for a plain comment
.block-help = use `/* */` for a plain comment

12
compiler/rustc_lint/src/builtin.rs
View File

@ -1039,17 +1039,15 @@ fn warn_if_doc(cx: &EarlyContext<'_>, node_span: Span, node_kind: &str, attrs: &
if is_doc_comment || attr.has_name(sym::doc) {
cx.struct_span_lint(UNUSED_DOC_COMMENTS, span, |lint| {
let mut err = lint.build("unused doc comment");
err.span_label(
node_span,
format!("rustdoc does not generate documentation for {}", node_kind),
);
let mut err = lint.build(fluent::lint::builtin_unused_doc_comment);
err.set_arg("kind", node_kind);
err.span_label(node_span, fluent::lint::label);
match attr.kind {
AttrKind::DocComment(CommentKind::Line, _) | AttrKind::Normal(..) => {
err.help("use `//` for a plain comment");
err.help(fluent::lint::plain_help);
}
AttrKind::DocComment(CommentKind::Block, _) => {
err.help("use `/* */` for a plain comment");
err.help(fluent::lint::block_help);
}
}
err.emit();