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 } 50