main.cpp

来自「设计一个实用的小型类C语言的编译器」· C++ 代码 · 共 44 行

#include"hao2.h"
#include<iostream.h>
void main()
{ 
	cout<<setw(6)<<"词法分析为:"<<endl;
	fout<<setw(6)<<"词法分析为:"<<endl;
/*	do
	{
		num++;
		scaner();
    	switch(syn)
		{
		
		case 10:
			fout<<"("<<syn<<","<<" "<<"'"<<token<<"'"<<")"<<"  ";if(num%5==0)fout<<endl;
			cout<<"("<<syn<<","<<" "<<"'"<<token<<"'"<<")"<<"  ";if(num%5==0)cout<<endl; break;	
			
		case 20:fout<<"("<<syn<<","<<" "<<sum<<")"<<"  ";if(num%5==0)fout<<endl;
		      cout<<"("<<syn<<","<<" "<<sum<<")"<<"  ";if(num%5==0)cout<<endl; break;

	    default:cout<<"("<<syn<<","<<token<<")"<<"  ";if(num%5==0)cout<<endl;
		    fout<<"("<<syn<<","<<" "<<token<<")"<<"  ";if(num%5==0)fout<<endl;
		}
	}while(syn!=-1);*/
//	p=0;
	//	if(!infile1.eof())
//	{
       ///   ch=infile.get();
//scaner();
//lrparser();
//	}
	if(!infile)
	{
		cout<<"Error:file1.txt can't open!\n";
	    exit(1);
	}
    scaner();
    lrparser();
	//if(kk==0&&syn==-1)
	//	cout<<"语义分析成功! sucess!"<<endl;
//	else cout<<"不是该文法的句子!"<<endl;
    PrintQuaternion();

}