lisp.c revision 331722 
1/*
2 * Copyright (c) 1987, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if 0
31#ifndef lint
32static char sccsid[] = "@(#)lisp.c	8.3 (Berkeley) 4/2/94";
33#endif
34#endif
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD: stable/11/usr.bin/ctags/lisp.c 331722 2018-03-29 02:50:57Z eadler $");
38
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 */
50void
51l_entries(void)
52{
53	int	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 = NO;
67		switch(*lbp | ' ') {
68		case 'm':
69			if (cicmp("method"))
70				special = YES;
71			break;
72		case 'w':
73			if (cicmp("wrapper") || cicmp("whopper"))
74				special = YES;
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