1 
2 /* Compiler implementation of the D programming language
3  * Copyright (C) 1999-2021 by The D Language Foundation, All Rights Reserved
4  * written by Walter Bright
5  * http://www.digitalmars.com
6  * Distributed under the Boost Software License, Version 1.0.
7  * http://www.boost.org/LICENSE_1_0.txt
8  * https://github.com/dlang/dmd/blob/master/src/dmd/ast_node.h
9  */
10 
11 #pragma once
12 
13 #include "root/object.h"
14 
15 class Visitor;
16 
17 class ASTNode : public RootObject
18 {
19     virtual void accept(Visitor*) = 0;
20 };
21