main.cpp

计算机科学与技术专业课程编译原理的课程实验代码

#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <process.h>
#include <fstream.h>
#include <iostream.h>
#include "Define.h"
#include "System.h"
#include "Morphology.h"
#include "Syntax.h"

void Morphology(ofstream File)
{
	cout<<"词法分析开始!!"<<endl;
	if((FIN=fopen("2.txt","r"))==NULL)
	{
		cout<<"不能打开输入文件！"<<endl;
	    exit(0);
	}
	cout<<"输入文件为"<<"input.txt"<<endl;
	if((FOUT=fopen("output.txt","w"))==NULL)
	{
		cout<<"不能打开输出文件！"<<endl;
	    exit(0);
	}
    cout<<"输出文件为"<<"output.txt"<<endl;
    File.open("output.txt");
    while(fgets(buff,80,FIN)!=NULL)
    {
      I=0;
      while(I<=strlen(buff)-2)
	  {
        Get_A_Word(File);
	  }
	}
    fclose(FIN); 
	fclose(FOUT);
    File.close();
    cout<<"词法分析完毕!!"<<endl;
}

void Syntax(ofstream File)
{
	
	cout<<endl;
    cout<<"语法分析开始!!"<<endl;
	if (File==0)
	{
	  cout<<"不能打开输入文件：\n";
	  exit(1);
	}
    cout<<"输入文件为"<<"output.txt"<<endl;
	if((FOUT=fopen("output2.txt","w"))==NULL)
	{
		cout<<"不能打开输出文件！"<<endl;
	    exit(0);
	}
    cout<<"输出文件为"<<"output2.txt"<<endl;
    File.open("output2.txt");
	infile>>Code;
	infile>>buff;
	cout<<buff<<endl;
	program();
	cout<<"该程序语法正确!"<<endl;
    File.close();
	fclose(FOUT);
    File.close();
}



void main()
{
	ofstream File;
	Morphology(File);
	Syntax(File);
}