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 #if 0
33 #ifndef lint
34 static char sccsid[] = "@(#)lisp.c 8.3 (Berkeley) 4/2/94";
35 #endif
36 #endif
37
38 #include <sys/cdefs.h>
39 #include <ctype.h>
40 #include <limits.h>
41 #include <stdio.h>
42 #include <string.h>
43
44 #include "ctags.h"
45
46 /*
47 * lisp tag functions
48 * just look for (def or (DEF
49 */
50 void
l_entries(void)51 l_entries(void)
52 {
53 bool special;
54 char *cp;
55 char savedc;
56 char tok[MAXTOKEN];
57
58 for (;;) {
59 lineftell = ftell(inf);
60 if (!fgets(lbuf, sizeof(lbuf), inf))
61 return;
62 ++lineno;
63 lbp = lbuf;
64 if (!cicmp("(def"))
65 continue;
66 special = false;
67 switch(*lbp | ' ') {
68 case 'm':
69 if (cicmp("method"))
70 special = true;
71 break;
72 case 'w':
73 if (cicmp("wrapper") || cicmp("whopper"))
74 special = true;
75 }
76 for (; !isspace(*lbp); ++lbp)
77 continue;
78 for (; isspace(*lbp); ++lbp)
79 continue;
80 for (cp = lbp; *cp && *cp != '\n'; ++cp)
81 continue;
82 *cp = EOS;
83 if (special) {
84 if (!(cp = strchr(lbp, ')')))
85 continue;
86 for (; cp >= lbp && *cp != ':'; --cp)
87 continue;
88 if (cp < lbp)
89 continue;
90 lbp = cp;
91 for (; *cp && *cp != ')' && *cp != ' '; ++cp)
92 continue;
93 }
94 else
95 for (cp = lbp + 1;
96 *cp && *cp != '(' && *cp != ' '; ++cp)
97 continue;
98 savedc = *cp;
99 *cp = EOS;
100 (void)strlcpy(tok, lbp, sizeof(tok)); /* possible trunc */
101 *cp = savedc;
102 get_line();
103 pfnote(tok, lineno);
104 }
105 /*NOTREACHED*/
106 }
107