1*4887Schin /***********************************************************************
2*4887Schin *                                                                      *
3*4887Schin *               This software is part of the ast package               *
4*4887Schin *           Copyright (c) 1986-2007 AT&T Knowledge Ventures            *
5*4887Schin *                      and is licensed under the                       *
6*4887Schin *                  Common Public License, Version 1.0                  *
7*4887Schin *                      by AT&T Knowledge Ventures                      *
8*4887Schin *                                                                      *
9*4887Schin *                A copy of the License is available at                 *
10*4887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11*4887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*4887Schin *                                                                      *
13*4887Schin *              Information and Software Systems Research               *
14*4887Schin *                            AT&T Research                             *
15*4887Schin *                           Florham Park NJ                            *
16*4887Schin *                                                                      *
17*4887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
18*4887Schin *                                                                      *
19*4887Schin ***********************************************************************/
20*4887Schin #pragma prototyped
21*4887Schin /*
22*4887Schin  * Glenn Fowler
23*4887Schin  * AT&T Research
24*4887Schin  *
25*4887Schin  * common include reference handler
26*4887Schin  * the type arg is inclusive or of PP_SYNC_*
27*4887Schin  */
28*4887Schin 
29*4887Schin #include "pplib.h"
30*4887Schin 
31*4887Schin void
32*4887Schin ppincref(char* parent, char* file, int line, int type)
33*4887Schin {
34*4887Schin 	register struct ppinstk*	sp;
35*4887Schin 	int				level;
36*4887Schin 
37*4887Schin 	NoP(parent);
38*4887Schin 	NoP(line);
39*4887Schin 	if (type & PP_SYNC_PUSH)
40*4887Schin 	{
41*4887Schin 		level = 0;
42*4887Schin 		for (sp = pp.in; sp; sp = sp->prev)
43*4887Schin 			if (sp->type == IN_FILE)
44*4887Schin 				level++;
45*4887Schin 		if (level > 0)
46*4887Schin 			level--;
47*4887Schin 		error(0, "%-*s%s", level * 4, "", file);
48*4887Schin 	}
49*4887Schin }
50