share subr.c and string.c with pi/pc

[unix-history] / usr / src / usr.bin / pascal / pxp / cset.c

static	char *sccsid = "@(#)cset.c	2.1 (Berkeley) %G%";
/* Copyright (c) 1979 Regents of the University of California */
#
/*
 * pxp - Pascal execution profiler
 *
 * Bill Joy UCB
 * Version 1.2 January 1979
 */

#include "0.h"
#include "tree.h"

/*
 * Constant sets
 */
cset(r)
int *r;
{
	register *e, *el;

	ppbra("[");
	el = r[2];
	if (el != NIL)
		for (;;) {
			e = el[1];
			el = el[2];
			if (e == NIL)
				continue;
			if (e[0] == T_RANG) {
				rvalue(e[1], NIL);
				ppsep("..");
				rvalue(e[2], NIL);
			} else
				rvalue(e, NIL);
			if (el == NIL)
				break;
			ppsep(", ");
		}
	ppket("]");
}