Tests for partial parse

1 files changed, 6 insertions, 1 deletions

diff --git a/src/parser/event_parser/grammar.rs b/src/parser/event_parser/grammar.rs
index 7425526ef..79ef8b31c 100644
--- a/src/parser/event_parser/grammar.rs
+++ b/src/parser/event_parser/grammar.rs
@@ -74,7 +74,12 @@ fn many<F: Fn(&mut Parser) -> bool>(p: &mut Parser, f: F) {
 fn comma_list<F: Fn(&mut Parser) -> bool>(p: &mut Parser, f: F) {
     many(p, |p| {
         f(p);
-        p.is_eof() || p.expect(COMMA)
+        if p.is_eof() {
+            false
+        } else {
+            p.expect(COMMA);
+            true
+        }
     })
 }