1 %{ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 __FBSDID("$FreeBSD$"); 32 33 #include <err.h> 34 #include <errno.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "y.tab.h" 40 41 int lineno = 1; 42 43 int yylex(void); 44 45 #define YY_DECL int yylex(void) 46 47 %} 48 49 %option nounput 50 %option noinput 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 errc(EXIT_FAILURE, errno, "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