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 1.14 2008/05/01 09:24:42 swildner Exp $
60 { "disable", DISABLE },
68 { "machine", CONFIG_MACHINE },
69 { "machine_arch", CONFIG_MACHINE_ARCH },
70 { "makeoptions", MAKEOPTIONS },
71 { "maxusers", MAXUSERS },
73 { "option", OPTIONS },
74 { "options", OPTIONS },
75 { "platform", CONFIG_PLATFORM },
77 { "pseudo-device",PSEUDO_DEVICE },
84 int kw_lookup(char *);
89 WORD [A-Za-z_][-A-Za-z_]*
90 ID [A-Za-z_][-A-Za-z_0-9]*
97 if ((i = kw_lookup(yytext)) == -1)
99 yylval.str = strdup(yytext);
104 <INITIAL>{WORD}/[0-9]* {
107 if ((i = kw_lookup(yytext)) == -1)
109 if (i == DEVICE || i == PSEUDO_DEVICE || i == AT)
115 yylval.str = strdup(yytext);
120 yytext[yyleng-2] = '"';
121 yytext[yyleng-1] = '\0';
122 yylval.str = strdup(yytext + 1);
127 yytext[yyleng-1] = '\0';
128 yylval.str = strdup(yytext + 1);
133 yylval.str = strdup(yytext);
137 yylval.val = octal(yytext);
141 yylval.val = hex(yytext);
145 yylval.val = atoi(yytext);
149 yylval.val = (int)(60 * atof(yytext) + 0.5);
163 #.* { /* Ignored (comment) */; }
164 [ \t\f]* { /* Ignored (white space) */; }
165 ";" { return(SEMICOLON); }
166 "," { return(COMMA); }
167 "=" { BEGIN TOEOL; return(EQUALS); }
169 . { return(yytext[0]); }
174 * Look up a string in the keyword table. Returns a -1 if the
175 * string is not a keyword otherwise it returns the keyword number
179 kw_lookup(char *word)
183 for (kp = key_words; kp->kt_name != NULL; kp++)
184 if (!strcmp(word, kp->kt_name))
190 * Number conversion routines
198 sscanf(str, "%o", &num);
207 sscanf(str + 2, "%x", &num);