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 1.13 2007/01/19 07:23:43 dillon Exp $
56 { "conflicts", CONFLICTS },
58 { "controller", CONTROLLER },
61 { "disable", DISABLE },
70 { "machine", CONFIG_MACHINE },
71 { "machine_arch", CONFIG_MACHINE_ARCH },
72 { "makeoptions", MAKEOPTIONS },
73 { "maxusers", MAXUSERS },
75 { "option", OPTIONS },
76 { "options", OPTIONS },
77 { "platform", CONFIG_PLATFORM },
79 { "pseudo-device",PSEUDO_DEVICE },
87 int kw_lookup(char *);
92 WORD [A-Za-z_][-A-Za-z_]*
93 ID [A-Za-z_][-A-Za-z_0-9]*
100 if ((i = kw_lookup(yytext)) == -1)
102 yylval.str = strdup(yytext);
107 <INITIAL>{WORD}/[0-9]* {
110 if ((i = kw_lookup(yytext)) == -1)
112 if (i == CONTROLLER || i == DEVICE || i == DISK || i == TAPE ||
113 i == PSEUDO_DEVICE || i == AT)
119 yylval.str = strdup(yytext);
124 yytext[yyleng-2] = '"';
125 yytext[yyleng-1] = '\0';
126 yylval.str = strdup(yytext + 1);
131 yytext[yyleng-1] = '\0';
132 yylval.str = strdup(yytext + 1);
137 yylval.str = strdup(yytext);
141 yylval.val = octal(yytext);
145 yylval.val = hex(yytext);
149 yylval.val = atoi(yytext);
153 yylval.val = (int)(60 * atof(yytext) + 0.5);
167 #.* { /* Ignored (comment) */; }
168 [ \t\f]* { /* Ignored (white space) */; }
169 ";" { return(SEMICOLON); }
170 "," { return(COMMA); }
171 "=" { BEGIN TOEOL; return(EQUALS); }
173 . { return(yytext[0]); }
178 * Look up a string in the keyword table. Returns a -1 if the
179 * string is not a keyword otherwise it returns the keyword number
183 kw_lookup(char *word)
187 for (kp = key_words; kp->kt_name != NULL; kp++)
188 if (!strcmp(word, kp->kt_name))
194 * Number conversion routines
202 sscanf(str, "%o", &num);
211 sscanf(str + 2, "%x", &num);