xref: /freebsd/contrib/elftoolchain/ar/acplex.l (revision f94594b37a145b9b3e9ff31af2cd1dc3de8aa4d4)
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 <err.h>
29 #include <errno.h>
30 #include <stdio.h>
31 #include <string.h>
32 
33 #include "_elftc.h"
34 
35 ELFTC_VCSID("$Id: acplex.l 3174 2015-03-27 17:13:41Z emaste $");
36 
37 #include "acpyacc.h"
38 
39 #define YY_NO_UNPUT
40 #if !defined(ELFTC_BROKEN_YY_NO_INPUT)
41 #define YY_NO_INPUT
42 #endif
43 
44 int lineno = 1;
45 
46 int	yylex(void);
47 
48 %}
49 
50 %option nounput
51 %option noyywrap
52 
53 %%
54 
55 ADDLIB|addlib		{ return (ADDLIB); }
56 ADDMOD|addmod		{ return (ADDMOD); }
57 CLEAR|clear		{ return (CLEAR); }
58 CREATE|create		{ return (CREATE); }
59 DELETE|delete		{ return (DELETE); }
60 DIRECTORY|directory	{ return (DIRECTORY); }
61 END|end			{ return (END); }
62 EXTRACT|extract		{ return (EXTRACT); }
63 LIST|list		{ return (LIST); }
64 OPEN|open		{ return (OPEN); }
65 REPLACE|replace		{ return (REPLACE); }
66 VERBOSE|verbose		{ return (VERBOSE); }
67 SAVE|save		{ return (SAVE); }
68 "("			{ return (LP); }
69 ")"			{ return (RP); }
70 ","			{ return (COMMA); }
71 
72 [-_A-Za-z0-9/:$.\\]+	{
73 	yylval.str = strdup(yytext);
74 	if (yylval.str == NULL)
75 		err(EXIT_FAILURE, "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