/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1987, 1993, 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>

#include "ctags.h"

/*
 * lisp tag functions
 * just look for (def or (DEF
 */
void
l_entries(void)
{
        bool    special;
        char    *cp;
        char    savedc;
        char    tok[MAXTOKEN];

        for (;;) {
                lineftell = ftell(inf);
                if (!fgets(lbuf, sizeof(lbuf), inf))
                        return;
                ++lineno;
                lbp = lbuf;
                if (!cicmp("(def"))
                        continue;
                special = false;
                switch(*lbp | ' ') {
                case 'm':
                        if (cicmp("method"))
                                special = true;
                        break;
                case 'w':
                        if (cicmp("wrapper") || cicmp("whopper"))
                                special = true;
                }
                for (; !isspace(*lbp); ++lbp)
                        continue;
                for (; isspace(*lbp); ++lbp)
                        continue;
                for (cp = lbp; *cp && *cp != '\n'; ++cp)
                        continue;
                *cp = EOS;
                if (special) {
                        if (!(cp = strchr(lbp, ')')))
                                continue;
                        for (; cp >= lbp && *cp != ':'; --cp)
                                continue;
                        if (cp < lbp)
                                continue;
                        lbp = cp;
                        for (; *cp && *cp != ')' && *cp != ' '; ++cp)
                                continue;
                }
                else
                        for (cp = lbp + 1;
                            *cp && *cp != '(' && *cp != ' '; ++cp)
                                continue;
                savedc = *cp;
                *cp = EOS;
                (void)strlcpy(tok, lbp, sizeof(tok));   /* possible trunc */
                *cp = savedc;
                get_line();
                pfnote(tok, lineno);
        }
        /*NOTREACHED*/
}