From 9a8e9bc4c6339051ef260f7794603481b6ff0bf2 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 11 Jan 2018 23:01:12 +0300
Subject: G: item outer attributes

---
 src/parser/event_parser/grammar/mod.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/parser/event_parser/grammar/mod.rs')

diff --git a/src/parser/event_parser/grammar/mod.rs b/src/parser/event_parser/grammar/mod.rs
index 60458ce70..76f62b714 100644
--- a/src/parser/event_parser/grammar/mod.rs
+++ b/src/parser/event_parser/grammar/mod.rs
@@ -41,7 +41,15 @@ fn node<F: FnOnce(&mut Parser)>(p: &mut Parser, node_kind: SyntaxKind, rest: F)
 }
 
 fn many<F: Fn(&mut Parser) -> bool>(p: &mut Parser, f: F) {
-    while f(p) { }
+    loop {
+        let pos = p.pos();
+        if !f(p) {
+            return
+        }
+        if pos == p.pos() {
+            panic!("Infinite loop in parser")
+        }
+    }
 }
 
 fn comma_list<F: Fn(&mut Parser) -> bool>(p: &mut Parser, end: SyntaxKind, f: F) {
-- 
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