hashmap.java

用DFA方法写得词法分析器 和大家交流一下

import java.util.HashMap;

/*
 * 创建符号表
 * author:贺静 
 */
public class Hashmap {
	private HashMap hashmap;

	public Hashmap() {
		hashmap = new HashMap();
		hashmap.put("if", "reserved word");
		hashmap.put("else", "reserved word");
		hashmap.put("while", "reserved word");
		hashmap.put("int", "reserved word");
		hashmap.put("real", "reserved word");
		hashmap.put("Read", "reserved word");
		hashmap.put("Write", "reserved word");
		hashmap.put("+", "RelOper");
		hashmap.put("-", "RelOper");
		hashmap.put("*", "RelOper");
		hashmap.put("/", "RelOper");
		hashmap.put("=", "RelOper");
		hashmap.put("==", "RelOper");
		hashmap.put("<", "RelOper");
		hashmap.put(">", "RelOper");
		hashmap.put("<>", "RelOper");
		hashmap.put("{", "Separator");
		hashmap.put("}", "Separator");
		hashmap.put("[", "Separator");
		hashmap.put("]", "Separator");
		hashmap.put("(", "Separator");
		hashmap.put(")", "Separator");
		hashmap.put("/*", "Separator");
		hashmap.put("*/", "Separator");
		hashmap.put(";", "Separator");
	}

	public HashMap getHashMap() {
		return hashmap;
	}

}