From 849ecf0a134633934ebc94c77d40a8ed07d2b3a1 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Sat, 2 Apr 2016 23:02:21 -0700
Subject: [PATCH] Display pending stack links as dashed lines

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

diff --git a/src/runtime/stack.c b/src/runtime/stack.c
index af3e1ee7..3a9db3d1 100644
--- a/src/runtime/stack.c
+++ b/src/runtime/stack.c
@@ -592,7 +592,9 @@ int ts_stack_print_dot_graph(Stack *self, const char **symbol_names, FILE *f) {
 
       for (int j = 0; j < node->successor_count; j++) {
         StackLink successor = node->successors[j];
-        fprintf(f, "node_%p -> node_%p [label=\"", node, successor.node);
+        fprintf(f, "node_%p -> node_%p [", node, successor.node);
+        if (successor.is_pending) fprintf(f, "style=dashed ");
+        fprintf(f, "label=\"");
 
         if (successor.tree->symbol == ts_builtin_sym_error) {
           fprintf(f, "ERROR");