From 820446c48e8870094d206ffd68bbfdf81699380b Mon Sep 17 00:00:00 2001
From: Matteo Agius <magiusdarrigo@gmail.com>
Date: Tue, 6 Aug 2024 15:34:58 +0300
Subject: [PATCH] patch: add nil check for grammer field before g.BlockSyntax
 call

---
 parser/parser.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/parser/parser.go b/parser/parser.go
index 9211a15..4244c45 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -57,6 +57,9 @@ func (c Config) parseTokens(tokens []Token) (ASTNode, Error) { // nolint: gocycl
 		case tok.Type == TextTokenType:
 			*ap = append(*ap, &ASTText{Token: tok})
 		case tok.Type == TagTokenType:
+			if g == nil {
+				return nil, Errorf(tok, "Grammer field is nil")
+			}
 			if cs, ok := g.BlockSyntax(tok.Name); ok {
 				switch {
 				case tok.Name == "comment":