xref: /illumos-gate/usr/src/cmd/mdb/common/mdb/mdb_lex.h (revision 7c478bd9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_MDB_LEX_H
28 #define	_MDB_LEX_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <mdb/mdb_argvec.h>
33 #include <mdb/mdb_nv.h>
34 #include <mdb/mdb_types.h>
35 #include <mdb/mdb_module.h>
36 #include <stdio.h>
37 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 #ifdef _MDB
43 
44 extern void mdb_lex_debug(int);
45 extern void mdb_lex_reset(void);
46 
47 extern void yyerror(const char *, ...);
48 extern void yyperror(const char *, ...);
49 extern void yydiscard(void);
50 
51 extern int yyparse(void);
52 extern int yywrap(void);
53 
54 
55 struct mdb_lex_state;
56 struct mdb_frame;
57 
58 void mdb_lex_state_save(struct mdb_lex_state *);
59 void mdb_lex_state_restore(struct mdb_lex_state *);
60 void mdb_lex_state_create(struct mdb_frame *);
61 void mdb_lex_state_destroy(struct mdb_frame *);
62 
63 /*
64  * The lex and yacc debugging code as generated uses printf and fprintf
65  * for debugging output.  We redefine these to refer to our yyprintf
66  * and yyfprintf routines, which are wrappers around mdb_iob_vprintf.
67  */
68 
69 #define	printf	(void) yyprintf
70 #define	fprintf	(void) yyfprintf
71 
72 extern int yyprintf(const char *, ...);
73 extern int yyfprintf(FILE *, const char *, ...);
74 
75 extern int yylineno;
76 
77 /*
78  * Maximum depth we can have in our yacc state stack.  The yacc default is 150,
79  * but this should be more than enough for our simple mdb expressions.
80  */
81 #define	YYMAXDEPTH	100
82 /*
83  * Maximum size of our lex yytext buffer.
84  */
85 #define	YYLMAX		BUFSIZ
86 
87 #endif /* _MDB */
88 
89 #ifdef	__cplusplus
90 }
91 #endif
92 
93 #endif	/* _MDB_LEX_H */
94