#include <stdio.h>
#include <stdlib.h>
#include "lex.h"

// Lexical Analyzer Driver

int main (int argc, char *argv[])
{
  int cLine = 0;      // count of line number
  char szSrc[256];    // source line
  int rgiw[12];       // pointers to tokens
  unsigned int fError; // flag for syntax error
  FILE *pIfil;        // file pointer
  int i;

  if ((pIfil = fopen (*++argv, "r")) == NULL)
  {
    printf ("File does not exist\n");
    exit (1);
  }

  printf ("Line# rgiw\n     ");
  for (i = 0; i < 12; i++)
    printf ("[%3u]", i);
  printf ("\n\n");

  while ((fgets (szSrc, 256, pIfil)) != NULL)
  {
    printf ("%5u ",++cLine);
    fError = FGetTokens (szSrc, rgiw);
    if (fError)
      printf ("   Syntax Error\n");
    else
    {
      for (i = 0; i < 12; i++)
        printf ("%3d  ", *(rgiw + i));
      printf ("\n");
    }
  }
  fclose (pIfil);

  return 0;
}