实验：预测分析

#include <iostream.h> 
#include<iomanip> 
#include <ctype.h> 
#include <string> 
using namespace std; 
 
 
int Yy_pushtab[13][4]=                                  
{ 
{257,1,258,0}, 
{256,0}, 
{0}, 
{260,259,0}, 
{0}, 
{260,259,2,0}, 
{0}, 
{262,261,0}, 
{262,261,3,0}, 
{0}, 
{5,258,4,0}, 
{6,0}, 
{256,0} 
 
};       
 
int Yy_d[8][7]=                            //LL1分析表
{ 
 {-1,0,-1,-1,0,-1,0}, 
 {2,1,-1,-1,1,-1,1}, 
 {-1,4,-1,-1,3,4,3},