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 __FBSDID("$FreeBSD$");
40
41 #include <ctype.h>
42 #include <limits.h>
43 #include <stdio.h>
44 #include <string.h>
45
46 #include "ctags.h"
47
48 /*
49 * lisp tag functions
50 * just look for (def or (DEF
51 */
52 void
l_entries(void)53 l_entries(void)
54 {
55 int special;
56 char *cp;
57 char savedc;
58 char tok[MAXTOKEN];
59
60 for (;;) {
61 lineftell = ftell(inf);
62 if (!fgets(lbuf, sizeof(lbuf), inf))
63 return;
64 ++lineno;
65 lbp = lbuf;
66 if (!cicmp("(def"))
67 continue;
68 special = NO;
69 switch(*lbp | ' ') {
70 case 'm':
71 if (cicmp("method"))
72 special = YES;
73 break;
74 case 'w':
75 if (cicmp("wrapper") || cicmp("whopper"))
76 special = YES;
77 }
78 for (; !isspace(*lbp); ++lbp)
79 continue;
80 for (; isspace(*lbp); ++lbp)
81 continue;
82 for (cp = lbp; *cp && *cp != '\n'; ++cp)
83 continue;
84 *cp = EOS;
85 if (special) {
86 if (!(cp = strchr(lbp, ')')))
87 continue;
88 for (; cp >= lbp && *cp != ':'; --cp)
89 continue;
90 if (cp < lbp)
91 continue;
92 lbp = cp;
93 for (; *cp && *cp != ')' && *cp != ' '; ++cp)
94 continue;
95 }
96 else
97 for (cp = lbp + 1;
98 *cp && *cp != '(' && *cp != ' '; ++cp)
99 continue;
100 savedc = *cp;
101 *cp = EOS;
102 (void)strlcpy(tok, lbp, sizeof(tok)); /* possible trunc */
103 *cp = savedc;
104 get_line();
105 pfnote(tok, lineno);
106 }
107 /*NOTREACHED*/
108 }
109