xref: /titanic_51/usr/src/contrib/ast/src/lib/libpp/ppmacref.c (revision b4dd7d09880f14016feece03929a224eca1cf39a)
1*b4dd7d09SAndy Fiddaman /***********************************************************************
2*b4dd7d09SAndy Fiddaman *                                                                      *
3*b4dd7d09SAndy Fiddaman *               This software is part of the ast package               *
4*b4dd7d09SAndy Fiddaman *          Copyright (c) 1986-2011 AT&T Intellectual Property          *
5*b4dd7d09SAndy Fiddaman *                      and is licensed under the                       *
6*b4dd7d09SAndy Fiddaman *                 Eclipse Public License, Version 1.0                  *
7*b4dd7d09SAndy Fiddaman *                    by AT&T Intellectual Property                     *
8*b4dd7d09SAndy Fiddaman *                                                                      *
9*b4dd7d09SAndy Fiddaman *                A copy of the License is available at                 *
10*b4dd7d09SAndy Fiddaman *          http://www.eclipse.org/org/documents/epl-v10.html           *
11*b4dd7d09SAndy Fiddaman *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*b4dd7d09SAndy Fiddaman *                                                                      *
13*b4dd7d09SAndy Fiddaman *              Information and Software Systems Research               *
14*b4dd7d09SAndy Fiddaman *                            AT&T Research                             *
15*b4dd7d09SAndy Fiddaman *                           Florham Park NJ                            *
16*b4dd7d09SAndy Fiddaman *                                                                      *
17*b4dd7d09SAndy Fiddaman *                 Glenn Fowler <gsf@research.att.com>                  *
18*b4dd7d09SAndy Fiddaman *                                                                      *
19*b4dd7d09SAndy Fiddaman ***********************************************************************/
20*b4dd7d09SAndy Fiddaman #pragma prototyped
21*b4dd7d09SAndy Fiddaman /*
22*b4dd7d09SAndy Fiddaman  * Glenn Fowler
23*b4dd7d09SAndy Fiddaman  * AT&T Research
24*b4dd7d09SAndy Fiddaman  *
25*b4dd7d09SAndy Fiddaman  * common preprocessor macro reference handler
26*b4dd7d09SAndy Fiddaman  */
27*b4dd7d09SAndy Fiddaman 
28*b4dd7d09SAndy Fiddaman #include "pplib.h"
29*b4dd7d09SAndy Fiddaman 
30*b4dd7d09SAndy Fiddaman void
31*b4dd7d09SAndy Fiddaman ppmacref(struct ppsymbol* sym, char* file, int line, int type, unsigned long sum)
32*b4dd7d09SAndy Fiddaman {
33*b4dd7d09SAndy Fiddaman 	register char*	p;
34*b4dd7d09SAndy Fiddaman 
35*b4dd7d09SAndy Fiddaman 	NoP(file);
36*b4dd7d09SAndy Fiddaman 	NoP(line);
37*b4dd7d09SAndy Fiddaman 	p = (pp.state & (DIRECTIVE|JOINING)) == DIRECTIVE ? pp.outp : pp.addp;
38*b4dd7d09SAndy Fiddaman 	p += sfsprintf(p, MAXTOKEN, "\n#%s %d", pp.lineid, error_info.line);
39*b4dd7d09SAndy Fiddaman 	p += sfsprintf(p, MAXTOKEN, "\n#%s %s:%s %s %d", dirname(PRAGMA), pp.pass, keyname(X_MACREF), sym->name, type);
40*b4dd7d09SAndy Fiddaman 	if (type > 0)
41*b4dd7d09SAndy Fiddaman 	{
42*b4dd7d09SAndy Fiddaman 		if (sym->macro && sym->macro->value)
43*b4dd7d09SAndy Fiddaman 			sum = strsum(sym->macro->value, (long)sym->macro->arity);
44*b4dd7d09SAndy Fiddaman 		p += sfsprintf(p, MAXTOKEN, " %lu", sum);
45*b4dd7d09SAndy Fiddaman 	}
46*b4dd7d09SAndy Fiddaman 	if ((pp.state & (DIRECTIVE|JOINING)) == DIRECTIVE)
47*b4dd7d09SAndy Fiddaman 	{
48*b4dd7d09SAndy Fiddaman 		pp.outp = p;
49*b4dd7d09SAndy Fiddaman 		ppcheckout();
50*b4dd7d09SAndy Fiddaman 	}
51*b4dd7d09SAndy Fiddaman 	else
52*b4dd7d09SAndy Fiddaman 	{
53*b4dd7d09SAndy Fiddaman 		*p++ = '\n';
54*b4dd7d09SAndy Fiddaman 		pp.addp = p;
55*b4dd7d09SAndy Fiddaman 		pp.state |= ADD;
56*b4dd7d09SAndy Fiddaman 	}
57*b4dd7d09SAndy Fiddaman 	pp.pending = pppendout();
58*b4dd7d09SAndy Fiddaman }
59