ack/lang/basic/src.old/parsepar.c
1987-03-09 15:15:03 +00:00

59 lines
1.5 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#include "bem.h"
#ifndef NORSCID
static char rcs_id[] = "$Header$" ;
#endif
int listing; /* -E listing required */
int debug; /* -d compiler debugging */
int wflag=0; /* -w no warnings */
int hflag=0; /* -h<number> to split EM program */
int traceflag=0; /* generate line tracing code */
int nolins=0; /* -l: generate no LIN statements */
parseparams(argc,argv)
int argc;
char **argv;
{
int files=0 ;
int i;
char *ext;
if(argc< 4)
{
fprintf(stderr,"usage %s <flags> <file> <file> <source>\n", argv[0]);
exit(-1);
}
for(i=1;i<argc;i++)
if( argv[i][0]=='-')
switch(argv[i][1])
{
case 'D': yydebug++; break; /* parser debugging */
case 't': traceflag++; break; /* line tracing */
case 'h':/* split EM file */
hflag=0;
threshold= atoi(argv[i][2]);
if( threshold==0)
threshold= THRESHOLD;
break;
case 'd': debug++; break;
case 'L': nolins++; break; /* no EM lin statements */
case 'E': listing++; break; /* generate full listing */
case 'w': wflag++; break;
} else {
/* new input file */
switch ( files++ ) {
case 0: inpfile= argv[i]; break;
case 1: outfile= argv[i]; break;
case 2: /* should be the source file name */
program= argv[i]; break;
default:fatal("Too many file arguments") ;
}
}
if (files < 3) fatal("Too few file arguments");
}