From 3e3b7b14eb5ab39b8310868739890debb9e02447 Mon Sep 17 00:00:00 2001
From: duckdoom4 <60387522+duckdoom4@users.noreply.github.com>
Date: Wed, 10 Jul 2024 09:26:07 +0200
Subject: [PATCH] Fix crash on syntax error

---
 src/tokenizer/tokenizer.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tokenizer/tokenizer.ts b/src/tokenizer/tokenizer.ts
index 5ddfe69..40050c8 100644
--- a/src/tokenizer/tokenizer.ts
+++ b/src/tokenizer/tokenizer.ts
@@ -307,6 +307,10 @@ class DocumentTokenizer {
      * @param caret The reader head position within the document
      */
     private applyCaptures(captures: TokenPatternCapture, match: RegExpExecArray, source: string, parentNode: TreeNode) {
+        if (match.indices === undefined) {
+            return; // syntax error
+        }
+        
         let rootNode = parentNode;
 
         if (captures[0] !== undefined) {