syntaxanalyse.cpp

PL/0语言的词法分析

// SyntaxAnalyse.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

int main(int argc, char* argv[])
{ 
	char inFileName[100]="one.wa";
	char outFileName[100]="out.sa";

	switch(argc){
	case 3:
		strcpy(outFileName,argv[2]);
		// no break;
	case 2:
		strcpy(inFileName,argv[1]);
		// no break;
	}

	infile.open(inFileName);
	if (!infile)
	{
		printf("File %s can't be opened.\n", inFileName);
		exit(1);
	}
	if ((outfile = fopen(outFileName, "w")) == NULL)
	{
		printf("File %s can't be opened.\n", outFileName);
		exit(1);
	}
	sp_program();
	cout<<"语法分析通过."<<endl;
	return 0;
}