xref: /titanic_52/usr/src/lib/libfru/libfru/nameSyntaxLex.l (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 %{
2 /*
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License, Version 1.0 only
7  * (the "License").  You may not use this file except in compliance
8  * with the License.
9  *
10  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11  * or http://www.opensolaris.org/os/licensing.
12  * See the License for the specific language governing permissions
13  * and limitations under the License.
14  *
15  * When distributing Covered Code, include this CDDL HEADER in each
16  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17  * If applicable, add the following below this CDDL HEADER, with the
18  * fields enclosed by brackets "[]" replaced with your own identifying
19  * information: Portions Copyright [yyyy] [name of copyright owner]
20  *
21  * CDDL HEADER END
22  *
23  * Copyright (c) 2000 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <string.h>
30 
31 /* this is the lexer for the libfru NamingSyntax */
32 /* parser.h MUST occur before nameSyntax.tab.h */
33 #include "Parser.h"
34 
35 extern char *gParserString;
36 
37 #undef input
38 #undef unput
39 #define input()(*gParserString++)
40 #define unput(c)(*--gParserString=c)
41 
42 #undef lex_input
43 #define lex_input()(*gParserString++)
44 
45 #include "y.tab.h"
46 
47 /* Keep the separator symbols here because the lexer is the only one who knows
48  * about the string being parsed. */
49 
50 %}
51 
52 %%
53 
54 "$" { return LAST; }
55 "+" { return ADD; }
56 "/" { return SEPIDENT; }
57 "[" { return ITERBEGIN; }
58 "]" { return ITEREND; }
59 
60 [0-9]+ { yylval.num = atoi (yytext); return NUMBER; }
61 [_a-zA-Z0-9]+ { yylval.name = strdup(yytext); return NAME; }
62 
63 %%
64 
65