Check the exit matcher in more places.

src/parser/object.rs

@@ -1,3 +1,5 @@
+use nom::combinator::not;
+
 use super::error::Res;
 use super::source::Source;
 use super::Context;
@@ -38,5 +40,6 @@ pub fn standard_set_object<'r, 's>(
     context: Context<'r, 's>,
     input: &'s str,
 ) -> Res<&'s str, Object<'s>> {
+    not(|i| context.check_exit_matcher(i))(input)?;
     todo!()
 }