Add a special case exit matcher for end of file.

src/parser/parser_context.rs

@@ -1,5 +1,6 @@
 use std::rc::Rc;
 
+use nom::combinator::eof;
 use nom::IResult;
 
 use super::error::CustomError;
@@ -57,6 +58,12 @@ impl<'r, 's> ContextTree<'r, 's> {
         &'r self,
         i: &'s str,
     ) -> IResult<&'s str, &'s str, CustomError<&'s str>> {
+        // Special check for EOF. We don't just make this a document-level exit matcher since the IgnoreParent ChainBehavior could cause early exit matchers to not run.
+        let at_end_of_file = eof(i);
+        if at_end_of_file.is_ok() {
+            return at_end_of_file;
+        }
+
         for current_node in self.iter() {
             let context_element = current_node.get_data();
             match context_element {