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 */
44void
45l_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