1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1987, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #include <ctype.h> 34 #include <limits.h> 35 #include <stdio.h> 36 #include <string.h> 37 38 #include "ctags.h" 39 40 /* 41 * lisp tag functions 42 * just look for (def or (DEF 43 */ 44 void 45 l_entries(void) 46 { 47 bool special; 48 char *cp; 49 char savedc; 50 char tok[MAXTOKEN]; 51 52 for (;;) { 53 lineftell = ftell(inf); 54 if (!fgets(lbuf, sizeof(lbuf), inf)) 55 return; 56 ++lineno; 57 lbp = lbuf; 58 if (!cicmp("(def")) 59 continue; 60 special = false; 61 switch(*lbp | ' ') { 62 case 'm': 63 if (cicmp("method")) 64 special = true; 65 break; 66 case 'w': 67 if (cicmp("wrapper") || cicmp("whopper")) 68 special = true; 69 } 70 for (; !isspace(*lbp); ++lbp) 71 continue; 72 for (; isspace(*lbp); ++lbp) 73 continue; 74 for (cp = lbp; *cp && *cp != '\n'; ++cp) 75 continue; 76 *cp = EOS; 77 if (special) { 78 if (!(cp = strchr(lbp, ')'))) 79 continue; 80 for (; cp >= lbp && *cp != ':'; --cp) 81 continue; 82 if (cp < lbp) 83 continue; 84 lbp = cp; 85 for (; *cp && *cp != ')' && *cp != ' '; ++cp) 86 continue; 87 } 88 else 89 for (cp = lbp + 1; 90 *cp && *cp != '(' && *cp != ' '; ++cp) 91 continue; 92 savedc = *cp; 93 *cp = EOS; 94 (void)strlcpy(tok, lbp, sizeof(tok)); /* possible trunc */ 95 *cp = savedc; 96 get_line(); 97 pfnote(tok, lineno); 98 } 99 /*NOTREACHED*/ 100 } 101