symbol.java

来自「PEPA模型性能分析工具」· Java 代码 · 共 80 行

package semantic;

public class Symbol {

	public int token;
	public Object value;
	
	public Symbol(int token)
	{
		this.token=token;
		value=null;
	}
	
	public Symbol(int t,Object v)
	{
		token=t;
		value=v;
	}
	public String toString()
	{
		String s="#"+token;
		return s;
		/*
		switch(token)
		{
		case Token.EOF:
			return "EOF";
		case Token.ERROR:
			return "ERROR";
		case Token.COMMA:
			return ";";
		case Token.DOT:
			return ".";
		case Token.TOP:
			return "infty";
		case Token.LPAREN:
			return "(";
		case Token.RPAREN:
			return ")";
		case Token.SEMI:
			return ";";
		case Token.EQUALS:
			return "=";
		case Token.PAR:
			return "PAR";
		case Token.LCOOP:
			return "<";
		case Token.RCOOP:
			return ">";
		case Token.MINUS:
			return "-";
		case Token.STAR:
			return "Star";
		case Token.MULT:
			return "*";
		case Token.SUM:
			return "+";
		case Token.DIVIDE:
			return "/";
		case Token.HASH:
			return "#";
		case Token.PERC:
			return "%";
		case Token.LSET:
			return "{";
		case Token.RSET:
			return "}";
		case Token.COOP:
			return "><";
		case Token.STRN:
			return value.toString();
		case Token.NUMB:
			return value.toString();
			
		}
		return null;
		*/
	}
}