From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Mon, 13 Dec 2021 11:38:01 +0000 (+0100)
Subject: vala: Report statement parsing error if it is not meant to be an expression
X-Git-Tag: 0.52.10~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d4416fbd67a44b136a746b8e81e16752ad30c3f;p=thirdparty%2Fvala.git

vala: Report statement parsing error if it is not meant to be an expression

Fixes https://gitlab.gnome.org/GNOME/vala/issues/1261
---

diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index 150678e06..c05f4ea66 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -1660,8 +1660,12 @@ 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) {