fix crash for ast_end_token

1 files changed, 7 insertions, 2 deletions

diff --git a/src/parser_pos.cpp b/src/parser_pos.cpp
index 8d164caf9..99b3686ba 100644
--- a/src/parser_pos.cpp
+++ b/src/parser_pos.cpp
@@ -271,8 +271,13 @@ Token ast_end_token(Ast *node) {
 		if (node->Attribute.close.kind != Token_Invalid) {
 			return node->Attribute.close;
 		}
-		return ast_end_token(node->Attribute.elems[node->Attribute.elems.count-1]);
-
+    if (node->Attribute.elems.count > 0) {
+      return ast_end_token(node->Attribute.elems[node->Attribute.elems.count-1]);
+    }
+    if (node->Attribute.open.kind != Token_Invalid) {
+      return node->Attribute.open;
+    }
+    return node->Attribute.token;
 	case Ast_Field:
 		if (node->Field.tag.kind != Token_Invalid) {
 			return node->Field.tag;