db_lex.h revision 1.17 1 1.17 riastrad /* $NetBSD: db_lex.h,v 1.17 2022/08/30 22:37:03 riastradh Exp $ */
2 1.4 cgd
3 1.13 simonb /*
4 1.1 cgd * Mach Operating System
5 1.1 cgd * Copyright (c) 1991,1990 Carnegie Mellon University
6 1.1 cgd * All Rights Reserved.
7 1.13 simonb *
8 1.1 cgd * Permission to use, copy, modify and distribute this software and its
9 1.1 cgd * documentation is hereby granted, provided that both the copyright
10 1.1 cgd * notice and this permission notice appear in all copies of the
11 1.1 cgd * software, derivative works or modified versions, and any portions
12 1.1 cgd * thereof, and that both notices appear in supporting documentation.
13 1.13 simonb *
14 1.10 pk * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15 1.1 cgd * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
16 1.1 cgd * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17 1.13 simonb *
18 1.1 cgd * Carnegie Mellon requests users of this software to return to
19 1.13 simonb *
20 1.1 cgd * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
21 1.1 cgd * School of Computer Science
22 1.1 cgd * Carnegie Mellon University
23 1.1 cgd * Pittsburgh PA 15213-3890
24 1.13 simonb *
25 1.1 cgd * any improvements or extensions that they make and grant Carnegie the
26 1.1 cgd * rights to redistribute these changes.
27 1.2 cgd *
28 1.1 cgd * Author: David B. Golub, Carnegie Mellon University
29 1.1 cgd * Date: 7/90
30 1.1 cgd */
31 1.3 mycroft
32 1.1 cgd /*
33 1.1 cgd * Lexical analyzer.
34 1.1 cgd */
35 1.13 simonb void db_flush_lex(void);
36 1.13 simonb char *db_num_to_str(db_expr_t);
37 1.17 riastrad void db_num_to_strbuf(db_expr_t, char *, size_t);
38 1.13 simonb int db_read_line(void);
39 1.14 yamt void db_set_line(const char *, const char *);
40 1.16 uwe void db_get_line(const char **, const char **);
41 1.13 simonb int db_read_token(void);
42 1.13 simonb void db_unread_token(int);
43 1.13 simonb
44 1.15 yamt #define DB_LINE_MAXLEN 120
45 1.15 yamt
46 1.13 simonb extern db_expr_t db_tok_number;
47 1.15 yamt #define TOK_STRING_SIZE DB_LINE_MAXLEN
48 1.13 simonb extern char db_tok_string[];
49 1.1 cgd
50 1.1 cgd #define tEOF (-1)
51 1.1 cgd #define tEOL 1
52 1.1 cgd #define tNUMBER 2
53 1.1 cgd #define tIDENT 3
54 1.1 cgd #define tPLUS 4
55 1.1 cgd #define tMINUS 5
56 1.1 cgd #define tDOT 6
57 1.1 cgd #define tSTAR 7
58 1.1 cgd #define tSLASH 8
59 1.1 cgd #define tEQ 9
60 1.1 cgd #define tLPAREN 10
61 1.1 cgd #define tRPAREN 11
62 1.1 cgd #define tPCT 12
63 1.1 cgd #define tHASH 13
64 1.1 cgd #define tCOMMA 14
65 1.1 cgd #define tDITTO 15
66 1.1 cgd #define tDOLLAR 16
67 1.1 cgd #define tEXCL 17
68 1.1 cgd #define tSHIFT_L 18
69 1.1 cgd #define tSHIFT_R 19
70 1.1 cgd #define tDOTDOT 20
71