xref: /freebsd/sys/ddb/db_lex.h (revision 123af6ec70016f5556da5972d4d63c7d175c06d3)
1 /*-
2  * SPDX-License-Identifier: MIT-CMU
3  *
4  * Mach Operating System
5  * Copyright (c) 1991,1990 Carnegie Mellon University
6  * All Rights Reserved.
7  *
8  * Permission to use, copy, modify and distribute this software and its
9  * documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
16  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie the
26  * rights to redistribute these changes.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _DDB_DB_LEX_H_
32 #define	_DDB_DB_LEX_H_
33 
34 /*
35  *	Author: David B. Golub, Carnegie Mellon University
36  *	Date:	7/90
37  */
38 /*
39  * Lexical analyzer.
40  */
41 void	 db_flush_lex(void);
42 char	*db_get_line(void);
43 void	 db_inject_line(const char *command);
44 int	 db_read_line(void);
45 int	 db_read_token(void);
46 void	 db_unread_token(int t);
47 
48 extern db_expr_t	db_tok_number;
49 #define	TOK_STRING_SIZE		120
50 extern char	db_tok_string[TOK_STRING_SIZE];
51 
52 #define	tEOF		(-1)
53 #define	tEOL		1
54 #define	tNUMBER		2
55 #define	tIDENT		3
56 #define	tPLUS		4
57 #define	tMINUS		5
58 #define	tDOT		6
59 #define	tSTAR		7
60 #define	tSLASH		8
61 #define	tEQ		9
62 #define	tLPAREN		10
63 #define	tRPAREN		11
64 #define	tPCT		12
65 #define	tHASH		13
66 #define	tCOMMA		14
67 #define	tDITTO		15
68 #define	tDOLLAR		16
69 #define	tEXCL		17
70 #define	tSHIFT_L	18
71 #define	tSHIFT_R	19
72 #define	tDOTDOT		20
73 #define	tSEMI		21
74 #define	tLOG_EQ		22
75 #define	tLOG_NOT_EQ	23
76 #define	tLESS		24
77 #define	tLESS_EQ	25
78 #define	tGREATER	26
79 #define	tGREATER_EQ	27
80 #define	tBIT_AND	28
81 #define	tBIT_OR		29
82 #define	tLOG_AND	30
83 #define	tLOG_OR		31
84 #define	tSTRING		32
85 #define	tQUESTION	33
86 #define	tBIT_NOT	34
87 
88 #endif /* !_DDB_DB_LEX_H_ */
89