From 6dd78f44adf6fb032d0ecd9db813651b9524fcac Mon Sep 17 00:00:00 2001
From: Marc Vertes <mvertes@free.fr>
Date: Wed, 6 Sep 2023 08:49:19 +0200
Subject: chore: refactor some APIs

The scanner returns a slice of pointers to tokens instead of a
slice of tokens. The parser now pass the initial node context.
---
 parser/dot.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'parser/dot.go')

diff --git a/parser/dot.go b/parser/dot.go
index f486cd5..11d5014 100644
--- a/parser/dot.go
+++ b/parser/dot.go
@@ -50,7 +50,10 @@ func (n *Node) astDot(out io.Writer, label string) {
 		for _, c := range nod.Child {
 			anc[c] = nod
 		}
-		name := strings.ReplaceAll(nod.Name(), `"`, `\"`)
+		name := ""
+		if nod.Token != nil {
+			name = strings.ReplaceAll(nod.Name(), `"`, `\"`)
+		}
 		fmt.Fprintf(out, "%d [label=\"%s\"]; ", index[nod], name)
 		if anc[nod] != nil {
 			fmt.Fprintf(out, "%d -> %d; ", index[anc[nod]], index[nod])
-- 
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