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 #define YY_NO_INPUT 41 int lineno = 1; 42 43 int yylex(void); 44 45 %} 46 47 %option noyywrap 48 49 %% 50 51 ADDLIB|addlib { return (ADDLIB); } 52 ADDMOD|addmod { return (ADDMOD); } 53 CLEAR|clear { return (CLEAR); } 54 CREATE|create { return (CREATE); } 55 DELETE|delete { return (DELETE); } 56 DIRECTORY|directory { return (DIRECTORY); } 57 END|end { return (END); } 58 EXTRACT|extract { return (EXTRACT); } 59 LIST|list { return (LIST); } 60 OPEN|open { return (OPEN); } 61 REPLACE|replace { return (REPLACE); } 62 VERBOSE|verbose { return (VERBOSE); } 63 SAVE|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