From aa8ecd0652afbecd6549d2f6e53c0a5f6aa76d8f Mon Sep 17 00:00:00 2001
From: sjwang05 <63834813+sjwang05@users.noreply.github.com>
Date: Tue, 26 Dec 2023 18:34:44 -0800
Subject: Suggest quoting unquoted idents in attrs

---
 compiler/rustc_parse/src/errors.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'compiler/rustc_parse/src/errors.rs')

diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index 0de252707bd..34b34a1bad6 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -973,6 +973,25 @@ pub(crate) struct InvalidMetaItem {
     pub token: Token,
 }
 
+#[derive(Diagnostic)]
+#[diag(parse_invalid_meta_item_unquoted_ident)]
+pub(crate) struct InvalidMetaItemUnquotedIdent {
+    #[primary_span]
+    pub span: Span,
+    pub token: Token,
+    #[subdiagnostic]
+    pub sugg: InvalidMetaItemSuggQuoteIdent,
+}
+
+#[derive(Subdiagnostic)]
+#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
+pub(crate) struct InvalidMetaItemSuggQuoteIdent {
+    #[suggestion_part(code = "\"")]
+    pub before: Span,
+    #[suggestion_part(code = "\"")]
+    pub after: Span,
+}
+
 #[derive(Subdiagnostic)]
 #[suggestion(
     parse_sugg_escape_identifier,
-- 
cgit 1.4.1-3-g733a5