xref: /freebsd/usr.bin/ar/acplex.l (revision 7aa383846770374466b1dcb2cefd71bde9acf463)
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("$FreeBSD$");
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 int lineno = 1;
41 
42 int	yylex(void);
43 
44 %}
45 
46 %option noyywrap
47 
48 %%
49 
50 ADDLIB|addlib		{ return (ADDLIB); }
51 ADDMOD|addmod		{ return (ADDMOD); }
52 CLEAR|clear		{ return (CLEAR); }
53 CREATE|create		{ return (CREATE); }
54 DELETE|delete		{ return (DELETE); }
55 DIRECTORY|directory	{ return (DIRECTORY); }
56 END|end			{ return (END); }
57 EXTRACT|extract		{ return (EXTRACT); }
58 LIST|list		{ return (LIST); }
59 OPEN|open		{ return (OPEN); }
60 REPLACE|replace		{ return (REPLACE); }
61 VERBOSE|verbose		{ return (VERBOSE); }
62 SAVE|save		{ return (SAVE); }
63 "("			{ return (LP); }
64 ")"			{ return (RP); }
65 ","			{ return (COMMA); }
66 
67 [-_A-Za-z0-9/:$.\\]+	{
68 	yylval.str = strdup(yytext);
69 	if (yylval.str == NULL)
70 		errc(EX_SOFTWARE, errno, "strdup failed");
71 	return (FNAME);
72 }
73 
74 [ \t]			/* whitespace */
75 "*".*			/* comment */
76 ";".*			/* comment */
77 "+\n"			{ lineno++; /* '+' is line continuation char */ }
78 "\n"			{ lineno++; return (EOL); }
79