usr/src/lib/libpp/common/ppincref.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 include reference handler
  26  * the type arg is inclusive or of PP_SYNC_*
  27  */
  28
  29 #include "pplib.h"
  30
  31 void
  32 ppincref(char* parent, char* file, int line, int type)
  33 {
  34         register struct ppinstk*        sp;
  35         int                             level;
  36
  37         NoP(parent);
  38         NoP(line);
  39         if (type & PP_SYNC_PUSH)
  40         {
  41                 level = 0;
  42                 for (sp = pp.in; sp; sp = sp->prev)
  43                         if (sp->type == IN_FILE)
  44                                 level++;
  45                 if (level > 0)
  46                         level--;
  47                 error(0, "%-*s%s", level * 4, "", file);
  48         }
  49 }