treenode.java

来自「实现了的词法分析和语法分析」· Java 代码 · 共 10 行

public class TreeNode {
	public TreeNode sibling;
	public TreeNode leftChild;
	public TreeNode midChild;
	public TreeNode rightChild;
	//节点属性
	public String attr;
	//节点类型
	public String kind;
}