From 46965770fc554acdda414f70b4a1566e66988a5e Mon Sep 17 00:00:00 2001
From: Andrew Hlynskyi <ahlincq@gmail.com>
Date: Wed, 30 Aug 2023 20:03:03 +0300
Subject: [PATCH] fix(lib): segmentation fault in `ts_node_parse_state`

---
 lib/src/node.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/src/node.c b/lib/src/node.c
index 092e96f8..546b9099 100644
--- a/lib/src/node.c
+++ b/lib/src/node.c
@@ -489,8 +489,10 @@ TSStateId ts_node_parse_state(TSNode self) {
 TSStateId ts_node_next_parse_state(TSNode self) {
   const TSLanguage *language = self.tree->language;
   uint16_t state = ts_node_parse_state(self);
+  if (state == TS_TREE_STATE_NONE) {
+    return TS_TREE_STATE_NONE;
+  }
   uint16_t symbol = ts_node_grammar_symbol(self);
-
   return ts_language_next_state(language, state, symbol);
 }