3 * Copyright (c) 1980, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#)lang.l 8.1 (Berkeley) 6/6/93
35 * $FreeBSD: src/usr.sbin/config/lang.l,v 1.27 1999/11/09 07:20:22 peter Exp $
36 * $DragonFly: src/usr.sbin/config/lang.l,v 1.10 2005/01/12 00:26:03 cpressey Exp $
56 { "conflicts", CONFLICTS },
58 { "controller", CONTROLLER },
61 { "disable", DISABLE },
70 { "machine", ARCH }, /* MACHINE is defined in /sys/param.h */
71 { "makeoptions", MAKEOPTIONS },
72 { "maxusers", MAXUSERS },
74 { "option", OPTIONS },
75 { "options", OPTIONS },
77 { "pseudo-device",PSEUDO_DEVICE },
85 int kw_lookup(char *);
90 WORD [A-Za-z_][-A-Za-z_]*
91 ID [A-Za-z_][-A-Za-z_0-9]*
98 if ((i = kw_lookup(yytext)) == -1)
100 yylval.str = strdup(yytext);
105 <INITIAL>{WORD}/[0-9]* {
108 if ((i = kw_lookup(yytext)) == -1)
110 if (i == CONTROLLER || i == DEVICE || i == DISK || i == TAPE ||
111 i == PSEUDO_DEVICE || i == AT)
117 yylval.str = strdup(yytext);
122 yytext[yyleng-2] = '"';
123 yytext[yyleng-1] = '\0';
124 yylval.str = strdup(yytext + 1);
129 yytext[yyleng-1] = '\0';
130 yylval.str = strdup(yytext + 1);
135 yylval.str = strdup(yytext);
139 yylval.val = octal(yytext);
143 yylval.val = hex(yytext);
147 yylval.val = atoi(yytext);
151 yylval.val = (int)(60 * atof(yytext) + 0.5);
165 #.* { /* Ignored (comment) */; }
166 [ \t\f]* { /* Ignored (white space) */; }
167 ";" { return(SEMICOLON); }
168 "," { return(COMMA); }
169 "=" { BEGIN TOEOL; return(EQUALS); }
171 . { return(yytext[0]); }
176 * Look up a string in the keyword table. Returns a -1 if the
177 * string is not a keyword otherwise it returns the keyword number
181 kw_lookup(char *word)
185 for (kp = key_words; kp->kt_name != NULL; kp++)
186 if (!strcmp(word, kp->kt_name))
192 * Number conversion routines
200 sscanf(str, "%o", &num);
209 sscanf(str + 2, "%x", &num);