token.l revision 250227
1%{ 2/*- 3 * Copyright (c) 2003-2004, Maxime Henrion <mux@FreeBSD.org> 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 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/usr.bin/csup/token.l 250227 2013-05-03 23:51:32Z jkim $ 28 */ 29 30#include <err.h> 31#include <stdlib.h> 32#include <string.h> 33 34#include "parse.h" 35#include "misc.h" 36#include "token.h" 37 38int lineno = 1; 39 40%} 41 42%option nounput 43%option noyywrap 44 45%% 46 47[ \t]+ ; 48#.* ; 49\*default { return DEFAULT; } 50base { yylval.i = PT_BASE; return NAME; } 51date { yylval.i = PT_DATE; return NAME; } 52host { yylval.i = PT_HOST; return NAME; } 53prefix { yylval.i = PT_PREFIX; return NAME; } 54release { yylval.i = PT_RELEASE; return NAME; } 55tag { yylval.i = PT_TAG; return NAME; } 56umask { yylval.i = PT_UMASK; return NAME; } 57list { yylval.i = PT_LIST; return NAME; } 58norsync { yylval.i = PT_NORSYNC; return NAME; } 59= { return EQUAL; } 60compress { yylval.i = PT_COMPRESS; return BOOLEAN; } 61delete { yylval.i = PT_DELETE; return BOOLEAN; } 62use-rel-suffix { yylval.i = PT_USE_REL_SUFFIX; return BOOLEAN; } 63[a-zA-Z0-9./_-]+ { 64 yylval.str = strdup(yytext); 65 if (yylval.str == NULL) 66 err(1, "strdup"); 67 return STRING; 68 } 69\n lineno++; 70 71%% 72 73void 74yyerror(const char *s) 75{ 76 77 lprintf(-1, "Parse error line %d: %s: %s\n", lineno, s, yytext); 78 exit(1); 79} 80