From 531193853142a2564f1c667c9e8ca96c524a380b Mon Sep 17 00:00:00 2001
From: Esteban Küber <esteban@kuber.com.ar>
Date: Mon, 9 Jan 2023 05:29:54 +0000
Subject: Detect struct literal needing parentheses

Fix #82051.
---
 compiler/rustc_parse/src/errors.rs | 18 ++++++++++++++++++
 1 file changed, 18 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 574591529f3..19eeb069a25 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -970,6 +970,24 @@ pub(crate) struct StructLiteralBodyWithoutPathSugg {
     pub after: Span,
 }
 
+#[derive(Diagnostic)]
+#[diag(parse_struct_literal_needing_parens)]
+pub(crate) struct StructLiteralNeedingParens {
+    #[primary_span]
+    pub span: Span,
+    #[subdiagnostic]
+    pub sugg: StructLiteralNeedingParensSugg,
+}
+
+#[derive(Subdiagnostic)]
+#[multipart_suggestion(suggestion, applicability = "machine-applicable")]
+pub(crate) struct StructLiteralNeedingParensSugg {
+    #[suggestion_part(code = "(")]
+    pub before: Span,
+    #[suggestion_part(code = ")")]
+    pub after: Span,
+}
+
 #[derive(Diagnostic)]
 #[diag(parse_unmatched_angle_brackets)]
 pub(crate) struct UnmatchedAngleBrackets {
-- 
cgit 1.4.1-3-g733a5