From ae3b912ddc1bacaea451813ed7e9894cd345b58e Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Mon, 19 Sep 2016 13:34:24 -0700
Subject: [PATCH] Escape unexpected characters when pretty-printing error nodes

---
 src/runtime/tree.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/runtime/tree.c b/src/runtime/tree.c
index 2bf46d0f..930ff0a3 100644
--- a/src/runtime/tree.c
+++ b/src/runtime/tree.c
@@ -399,6 +399,12 @@ void ts_tree_edit(TSTree *self, const TSInputEdit *edit) {
 static size_t ts_tree__write_char_to_string(char *s, size_t n, int32_t c) {
   if (c == 0)
     return snprintf(s, n, "EOF");
+  else if (c == '\n')
+    return snprintf(s, n, "'\\n'");
+  else if (c == '\t')
+    return snprintf(s, n, "'\\t'");
+  else if (c == '\r')
+    return snprintf(s, n, "'\\r'");
   else if (c < 128)
     return snprintf(s, n, "'%c'", c);
   else