From f5934184d050d1a19f394fdab6f2ee66ff30965f Mon Sep 17 00:00:00 2001
From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Mon, 13 Dec 2021 12:38:01 +0100
Subject: [PATCH] vala: Report statement parsing error if it is not meant to be
 an expression

Fixes https://gitlab.gnome.org/GNOME/vala/issues/1261
---
 vala/valaparser.vala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index 76c2bc92e..d61a581e0 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -1686,8 +1686,12 @@ public class Vala.Parser : CodeVisitor {
 		} catch (ParseError e) {
 			var e_begin = get_location ();
 			string token = ((EnumClass) typeof (TokenType).class_ref ()).get_value (type).value_nick;
+			rollback (begin);
+			if (!is_expression ()) {
+				rollback (e_begin);
+				throw e;
+			}
 			try {
-				rollback (begin);
 				stmt = parse_expression_statement ();
 				Report.warning (get_src (begin), "`%s' is a syntax keyword, replace with `@%s'", token, token);
 			} catch (ParseError e2) {
-- 
2.47.2