1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1986-2009 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                                                                      *
19***********************************************************************/
20#pragma prototyped
21/*
22 * Glenn Fowler
23 * AT&T Research
24 *
25 * common preprocessor macro reference handler
26 */
27
28#include "pplib.h"
29
30void
31ppmacref(struct ppsymbol* sym, char* file, int line, int type, unsigned long sum)
32{
33	register char*	p;
34
35	NoP(file);
36	NoP(line);
37	p = (pp.state & (DIRECTIVE|JOINING)) == DIRECTIVE ? pp.outp : pp.addp;
38	p += sfsprintf(p, MAXTOKEN, "\n#%s %d", pp.lineid, error_info.line);
39	p += sfsprintf(p, MAXTOKEN, "\n#%s %s:%s %s %d", dirname(PRAGMA), pp.pass, keyname(X_MACREF), sym->name, type);
40	if (type > 0)
41	{
42		if (sym->macro && sym->macro->value)
43			sum = strsum(sym->macro->value, (long)sym->macro->arity);
44		p += sfsprintf(p, MAXTOKEN, " %lu", sum);
45	}
46	if ((pp.state & (DIRECTIVE|JOINING)) == DIRECTIVE)
47	{
48		pp.outp = p;
49		ppcheckout();
50	}
51	else
52	{
53		*p++ = '\n';
54		pp.addp = p;
55		pp.state |= ADD;
56	}
57	pp.pending = pppendout();
58}
59