/* driver2.c
 * driver program for testing the PASC parser
 */

#include <stdio.h>

int outtree = 0;	  /* flag -- print out syntax tree or not? */
int trace = 0;		  /* flag -- print out trace info or not */
FILE *treelst;		  /* file used to same the syntax tree */
extern void init_table(); /* hash table initialization, imported from table.c */

main(argc, argv)
int argc;
char *argv[];
{
    /* check command line switchs */
    argc--; argv++;
    while (argc > 0) {
        if (!strcmp(*argv, "-da")) {		/* trace parser actions */
	    trace = 1;
        } else if (!strcmp(*argv, "-dt")) {     /* print syntax tree */
	    outtree = 1;
            if (argc > 1) {
		if ((treelst = fopen(*++argv, "w")) == NULL) {
		    printf("Can't open file '%s' for output.  ", *argv);
		    printf("Stdout is assumed\n\n");
		    treelst = stdout;
		}
            	argc--;
	    }
	    else {
	        printf("Output file not specified.  Stdout is assumed\n\n");
	        treelst = stdout;
	    }
	}
	argc--; argv++;
    }
   
   init_table();	/* initialize hash table */

   if (!yyparse())
       printf("Program accepted\n\n");
   else
       printf("Program rejected\n\n");
}