From fd0fbc7934cb3997a055b620c8af473126f88de8 Mon Sep 17 00:00:00 2001
From: Mees Delzenne <DelSkayn@users.noreply.github.com>
Date: Tue, 17 Sep 2024 19:33:22 +0200
Subject: [PATCH] Fix inf loop in parser (#4803)

---
 core/src/syn/parser/idiom.rs    |  2 ++
 core/src/syn/parser/test/mod.rs | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/core/src/syn/parser/idiom.rs b/core/src/syn/parser/idiom.rs
index 852f69a6..14d428da 100644
--- a/core/src/syn/parser/idiom.rs
+++ b/core/src/syn/parser/idiom.rs
@@ -185,6 +185,8 @@ impl Parser<'_> {
 						if let Some(x) = self.parse_graph_idiom(ctx, &mut res, Dir::Both).await? {
 							return Ok(x);
 						}
+					} else {
+						break;
 					}
 				}
 				t!("..") => {
diff --git a/core/src/syn/parser/test/mod.rs b/core/src/syn/parser/test/mod.rs
index a1e12218..9c69db00 100644
--- a/core/src/syn/parser/test/mod.rs
+++ b/core/src/syn/parser/test/mod.rs
@@ -47,6 +47,16 @@ fn glued_identifiers() {
 	assert_eq!(res, expected);
 }
 
+#[test]
+fn less_then_idiom() {
+	let src = r#"
+		if ($param.foo < 2){
+			return 1
+		}
+	"#;
+	test_parse!(parse_query, src).unwrap();
+}
+
 #[test]
 fn escaped_params() {
 	let src = r#"LET $⟨R-_fYU8Wa31kg7tz0JI6Kme⟩ = 5;