acplex.l revision 215704 
1%{
2/*-
3 * Copyright (c) 2008 Kai Wang
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer
11 *    in this position and unchanged.
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: head/usr.bin/ar/acplex.l 215704 2010-11-22 20:10:48Z brucec $");
30
31#include <err.h>
32#include <errno.h>
33#include <stdio.h>
34#include <string.h>
35#include <sysexits.h>
36
37#include "y.tab.h"
38
39#define YY_NO_UNPUT
40#define YY_NO_INPUT
41int lineno = 1;
42
43int	yylex(void);
44
45%}
46
47%option noyywrap
48
49%%
50
51ADDLIB|addlib		{ return (ADDLIB); }
52ADDMOD|addmod		{ return (ADDMOD); }
53CLEAR|clear		{ return (CLEAR); }
54CREATE|create		{ return (CREATE); }
55DELETE|delete		{ return (DELETE); }
56DIRECTORY|directory	{ return (DIRECTORY); }
57END|end			{ return (END); }
58EXTRACT|extract		{ return (EXTRACT); }
59LIST|list		{ return (LIST); }
60OPEN|open		{ return (OPEN); }
61REPLACE|replace		{ return (REPLACE); }
62VERBOSE|verbose		{ return (VERBOSE); }
63SAVE|save		{ return (SAVE); }
64"("			{ return (LP); }
65")"			{ return (RP); }
66","			{ return (COMMA); }
67
68[-_A-Za-z0-9/:$.\\]+	{
69	yylval.str = strdup(yytext);
70	if (yylval.str == NULL)
71		errc(EX_SOFTWARE, errno, "strdup failed");
72	return (FNAME);
73}
74
75[ \t]			/* whitespace */
76"*".*			/* comment */
77";".*			/* comment */
78"+\n"			{ lineno++; /* '+' is line continuation char */ }
79"\n"			{ lineno++; return (EOL); }
80