usr/src/lib/libpp/common/ppmacref.c

   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
  30 void
  31 ppmacref(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 }