/**
?*?SLR.java
?*/

package?testSLR;

/**
?*?SLR類，存放分析表和數(shù)據(jù)化后的歸約語(yǔ)句以及將字符轉(zhuǎn)化為分析表中的列索引的方法
?*?@author?061150077
?*
?*/

class?SLR?{
	
	
	public?SLR（）{
		
	}
	
	private?int[][]?SLR_array?={?					//分析表
			{?2??0??0??0??1??0?}
			{?0??0??0??99?0??0?}
			{?0??0??4??0??0??3?}
			{?0??5??0??-1?0??0?}
			{?-3?-3?-3?-3?0??0?}
			{?0??0??6??0??0??0?}
			{?-2?-2?-2?-2?0??0?}
	};
	
	public?int?getCode（int?rowint?column）{			//返回對(duì)應(yīng)的元素
		return?this.SLR_array[row][column];
	}

	public?int?transform（char?ch）{					//將字符轉(zhuǎn)化為分析表中的列索引
		int?i?=?-1;
		switch（ch）{
		case?‘r‘:i?=?0;break;
		case?‘‘:i?=?1;break;
		case?‘i‘:i?=?2;break;
		case?‘#‘:i?=?3;break;
		case?‘S‘:i?=?4;break;
		case?‘D‘:i?=?5;break;
		default:i?=?-1;								//-1表示該字符為不合法字符，不存在于該文法中
		}
		return?i;
	}
	
	public?char?reduceChar（int?num）{				//歸約語(yǔ)句執(zhí)行后返回的非終結(jié)符
		char?ch?=?0;
		switch（num）{
		case?1:ch?=?‘S‘;break;
		case?2:ch?=?‘D‘;break;
		case?3:ch?=?‘D‘;
		}
		return?ch;		
	}
	
	public?int?reduceNum（int?num）{					//歸約語(yǔ)句執(zhí)行時(shí)該彈棧的次數(shù)，也就是該彈出幾個(gè)元素
		int?i?=?0;
		switch（num）{
		case?1:i?=?2;break;
		case?2:i?=?3;break;
		case?3:i?=?1;
		}
		return?i;	
	}
	
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????5912??2009-06-09?17:14??編譯原理\SLR（1）模擬器.jar

?????文件?????165888??2009-06-16?16:47??編譯原理\061150077顏杰.doc

?????文件???????2030??2009-06-09?16:20??編譯原理\testSLR\SLRModel.java

?????文件???????1340??2009-06-09?16:20??編譯原理\testSLR\SLR.java

?????文件???????1001??2009-06-09?16:20??編譯原理\testSLR\SLRController.java

?????文件???????2091??2009-06-12?23:17??編譯原理\testSLR\SLRJframe.java

?????目錄??????????0??2009-06-16?16:50??編譯原理\testSLR

?????目錄??????????0??2009-06-11?01:00??編譯原理

-----------?---------??----------?-----??----

???????????????178262????????????????????8