1%{
2/*-
3 * SPDX-License-Identifier: BSD-2-Clause
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#include <err.h>
32#include <errno.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36
37#include "y.tab.h"
38
39int lineno = 1;
40
41int	yylex(void);
42
43#define	YY_DECL	int yylex(void)
44
45%}
46
47%option nounput
48%option noinput
49%option noyywrap
50
51%%
52
53ADDLIB|addlib		{ return (ADDLIB); }
54ADDMOD|addmod		{ return (ADDMOD); }
55CLEAR|clear		{ return (CLEAR); }
56CREATE|create		{ return (CREATE); }
57DELETE|delete		{ return (DELETE); }
58DIRECTORY|directory	{ return (DIRECTORY); }
59END|end			{ return (END); }
60EXTRACT|extract		{ return (EXTRACT); }
61LIST|list		{ return (LIST); }
62OPEN|open		{ return (OPEN); }
63REPLACE|replace		{ return (REPLACE); }
64VERBOSE|verbose		{ return (VERBOSE); }
65SAVE|save		{ return (SAVE); }
66"("			{ return (LP); }
67")"			{ return (RP); }
68","			{ return (COMMA); }
69
70[-_A-Za-z0-9/:$.\\]+	{
71	yylval.str = strdup(yytext);
72	if (yylval.str == NULL)
73		errc(EXIT_FAILURE, errno, "strdup failed");
74	return (FNAME);
75}
76
77[ \t]			/* whitespace */
78"*".*			/* comment */
79";".*			/* comment */
80"+\n"			{ lineno++; /* '+' is line continuation char */ }
81"\n"			{ lineno++; return (EOL); }
82