Detect struct literal needing parentheses

Fix #82051.
2023-01-09 05:29:54 +00:00 · 2023-01-09 05:29:54 +00:00 · 5311938531
commit 5311938531
parent b22c152958
8 changed files with 86 additions and 15 deletions
--- 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 {