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freebsd/usr.bin/ar/acplex.l
2010-11-22 20:10:48 +00:00

80 lines
2.4 KiB
Plaintext

%{
/*-
* Copyright (c) 2008 Kai Wang
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sysexits.h>
#include "y.tab.h"
#define YY_NO_UNPUT
#define YY_NO_INPUT
int lineno = 1;
int yylex(void);
%}
%option noyywrap
%%
ADDLIB|addlib { return (ADDLIB); }
ADDMOD|addmod { return (ADDMOD); }
CLEAR|clear { return (CLEAR); }
CREATE|create { return (CREATE); }
DELETE|delete { return (DELETE); }
DIRECTORY|directory { return (DIRECTORY); }
END|end { return (END); }
EXTRACT|extract { return (EXTRACT); }
LIST|list { return (LIST); }
OPEN|open { return (OPEN); }
REPLACE|replace { return (REPLACE); }
VERBOSE|verbose { return (VERBOSE); }
SAVE|save { return (SAVE); }
"(" { return (LP); }
")" { return (RP); }
"," { return (COMMA); }
[-_A-Za-z0-9/:$.\\]+ {
yylval.str = strdup(yytext);
if (yylval.str == NULL)
errc(EX_SOFTWARE, errno, "strdup failed");
return (FNAME);
}
[ \t] /* whitespace */
"*".* /* comment */
";".* /* comment */
"+\n" { lineno++; /* '+' is line continuation char */ }
"\n" { lineno++; return (EOL); }