erro.java

tiger编译器的驱动程序的描述 tiger编译器的驱动程序的描述

package ecust.edu.cn.pl0;

public class erro   //错误处理类
{
	String[] err={" 缺少左括号"
	 ,"非法字符：赋值符号:="
   ,"等号后的字符为非法字符"
   ,"缺少等号"
   ,"声明过程中遇到的字符不是标识符"
   ,"缺少分号"
   ,"非法语句"
   ,"整数大小越界"
   ,"整数位数越界"
   ,"缺少右括号"   
   ,"语句和语句之间没有分号"
   ,"标识符不存在"
   ,"标识符不是变量名"
   ,"缺少赋值符号"
   ,"call后不是标识符"
   ,"call后不是过程名"
   ,"if后不是then"
   ,"没有遇到end"
   ,"while循环缺少do"
   ,"标识符长度越界"
   ,"缺少逻辑运算符"
   ,"标识符为过程名"
   ,"缺少右括号"
               };
	erro(int linenumber,int t)         //error构造函数
	{
		System.out.println("行:"+linenumber+"    错误号"+t+"  "+err[t]);
	}
}