From 077cd4970c45e73f368298eb71bcce01a5a4c19d Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Tue, 29 Oct 2019 13:45:04 -0700
Subject: [PATCH] Handle empty list of included ranges w/ non-null pointer

---
 lib/src/lexer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/lexer.c b/lib/src/lexer.c
index 0a223464..a6d99546 100644
--- a/lib/src/lexer.c
+++ b/lib/src/lexer.c
@@ -296,7 +296,7 @@ static const TSRange DEFAULT_RANGES[] = {
 };
 
 void ts_lexer_set_included_ranges(Lexer *self, const TSRange *ranges, uint32_t count) {
-  if (!ranges) {
+  if (count == 0 || !ranges) {
     ranges = DEFAULT_RANGES;
     count = 1;
   }