1%{
2/*-
3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 *
5 * Copyright (c) 2008 Kai Wang
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <err.h>
34#include <errno.h>
35#include <stdio.h>
36#include <string.h>
37#include <sysexits.h>
38
39#include "y.tab.h"
40
41int lineno = 1;
42
43int	yylex(void);
44
45#define	YY_DECL	int yylex(void)
46
47%}
48
49%option nounput
50%option noinput
51%option noyywrap
52
53%%
54
55ADDLIB|addlib		{ return (ADDLIB); }
56ADDMOD|addmod		{ return (ADDMOD); }
57CLEAR|clear		{ return (CLEAR); }
58CREATE|create		{ return (CREATE); }
59DELETE|delete		{ return (DELETE); }
60DIRECTORY|directory	{ return (DIRECTORY); }
61END|end			{ return (END); }
62EXTRACT|extract		{ return (EXTRACT); }
63LIST|list		{ return (LIST); }
64OPEN|open		{ return (OPEN); }
65REPLACE|replace		{ return (REPLACE); }
66VERBOSE|verbose		{ return (VERBOSE); }
67SAVE|save		{ return (SAVE); }
68"("			{ return (LP); }
69")"			{ return (RP); }
70","			{ return (COMMA); }
71
72[-_A-Za-z0-9/:$.\\]+	{
73	yylval.str = strdup(yytext);
74	if (yylval.str == NULL)
75		errc(EX_SOFTWARE, errno, "strdup failed");
76	return (FNAME);
77}
78
79[ \t]			/* whitespace */
80"*".*			/* comment */
81";".*			/* comment */
82"+\n"			{ lineno++; /* '+' is line continuation char */ }
83"\n"			{ lineno++; return (EOL); }
84