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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * @OSF_COPYRIGHT@
24: */
25: /*
26: * HISTORY
27: *
28: * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez
29: * Import of Mac OS X kernel (~semeria)
30: *
31: * Revision 1.1.1.1 1998/03/07 02:26:09 wsanchez
32: * Import of OSF Mach kernel (~mburg)
33: *
34: * Revision 1.1.11.2 1995/01/06 19:10:24 devrcs
35: * mk6 CR668 - 1.3b26 merge
36: * 64bit cleanup
37: * [1994/10/14 03:39:54 dwm]
38: *
39: * Revision 1.1.11.1 1994/09/23 01:20:10 ezf
40: * change marker to not FREE
41: * [1994/09/22 21:10:18 ezf]
42: *
43: * Revision 1.1.4.3 1993/07/27 18:27:40 elliston
44: * Add ANSI prototypes. CR #9523.
45: * [1993/07/27 18:12:19 elliston]
46: *
47: * Revision 1.1.4.2 1993/06/02 23:11:33 jeffc
48: * Added to OSF/1 R1.3 from NMK15.0.
49: * [1993/06/02 20:56:37 jeffc]
50: *
51: * Revision 1.1 1992/09/30 02:24:17 robert
52: * Initial revision
53: *
54: * $EndLog$
55: */
56: /* CMU_HIST */
57: /*
58: * Revision 2.5 91/10/09 16:00:48 af
59: * Revision 2.4.3.1 91/10/05 13:06:34 jeffreyh
60: * Added db_lex_context structure and some routine declarations
61: * for macro and conditinal command.
62: * Added relational operator tokens etc. for condition expression.
63: * Changed TOK_STRING_SIZE from 120 to 64, and defined
64: * DB_LEX_LINE_SIZE as 256 which was previously embedded
65: * in db_lex.c as 120.
66: * [91/08/29 tak]
67: * Revision 2.4.1 91/07/15 09:30:00 tak
68: * Added db_lex_context for macro support
69: * Added some lexical constants to support logical expression etc.
70: * [91/05/15 13:55:00 tak]
71: *
72: * Revision 2.4.3.1 91/10/05 13:06:34 jeffreyh
73: * Added db_lex_context structure and some routine declarations
74: * for macro and conditinal command.
75: * Added relational operator tokens etc. for condition expression.
76: * Changed TOK_STRING_SIZE from 120 to 64, and defined
77: * DB_LEX_LINE_SIZE as 256 which was previously embedded
78: * in db_lex.c as 120.
79: * [91/08/29 tak]
80: *
81: * Revision 2.4.1 91/07/15 09:30:00 tak
82: * Added db_lex_context for macro support
83: * Added some lexical constants to support logical expression etc.
84: * [91/05/15 13:55:00 tak]
85: *
86: * Revision 2.4 91/05/14 15:34:38 mrt
87: * Correcting copyright
88: *
89: * Revision 2.3 91/02/05 17:06:41 mrt
90: * Changed to new Mach copyright
91: * [91/01/31 16:18:28 mrt]
92: *
93: * Revision 2.2 90/08/27 21:51:16 dbg
94: * Add 'dotdot' token.
95: * [90/08/22 dbg]
96: * Export db_flush_lex.
97: * [90/08/07 dbg]
98: * Created.
99: * [90/07/25 dbg]
100: *
101: */
102: /* CMU_ENDHIST */
103: /*
104: * Mach Operating System
105: * Copyright (c) 1991,1990 Carnegie Mellon University
106: * All Rights Reserved.
107: *
108: * Permission to use, copy, modify and distribute this software and its
109: * documentation is hereby granted, provided that both the copyright
110: * notice and this permission notice appear in all copies of the
111: * software, derivative works or modified versions, and any portions
112: * thereof, and that both notices appear in supporting documentation.
113: *
114: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
115: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
116: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
117: *
118: * Carnegie Mellon requests users of this software to return to
119: *
120: * Software Distribution Coordinator or [email protected]
121: * School of Computer Science
122: * Carnegie Mellon University
123: * Pittsburgh PA 15213-3890
124: *
125: * any improvements or extensions that they make and grant Carnegie Mellon
126: * the rights to redistribute these changes.
127: */
128: /*
129: */
130: /*
131: * Author: David B. Golub, Carnegie Mellon University
132: * Date: 7/90
133: */
134: /*
135: * Lexical analyzer.
136: */
137:
138: #ifndef _DDB_DB_LEX_H_
139: #define _DDB_DB_LEX_H_
140:
141: #include <machine/db_machdep.h> /* For db_expr_t */
142:
143: #define TOK_STRING_SIZE 64
144: #define DB_LEX_LINE_SIZE 256
145:
146: struct db_lex_context {
147: int l_char; /* peek char */
148: int l_token; /* peek token */
149: char *l_ptr; /* line pointer */
150: char *l_eptr; /* line end pointer */
151: };
152:
153: extern db_expr_t db_tok_number;
154: extern char db_tok_string[TOK_STRING_SIZE];
155: extern db_expr_t db_radix;
156:
157: #define tEOF (-1)
158: #define tEOL 1
159: #define tNUMBER 2
160: #define tIDENT 3
161: #define tPLUS 4
162: #define tMINUS 5
163: #define tDOT 6
164: #define tSTAR 7
165: #define tSLASH 8
166: #define tEQ 9
167: #define tLPAREN 10
168: #define tRPAREN 11
169: #define tPCT 12
170: #define tHASH 13
171: #define tCOMMA 14
172: #define tQUOTE 15
173: #define tDOLLAR 16
174: #define tEXCL 17
175: #define tSHIFT_L 18
176: #define tSHIFT_R 19
177: #define tDOTDOT 20
178: #define tSEMI_COLON 21
179: #define tLOG_EQ 22
180: #define tLOG_NOT_EQ 23
181: #define tLESS 24
182: #define tLESS_EQ 25
183: #define tGREATER 26
184: #define tGREATER_EQ 27
185: #define tBIT_AND 28
186: #define tBIT_OR 29
187: #define tLOG_AND 30
188: #define tLOG_OR 31
189: #define tSTRING 32
190: #define tQUESTION 33
191:
192: /* Prototypes for functions exported by this module.
193: */
194: int db_read_line(char *repeat_last);
195:
196: void db_switch_input(
197: char *buffer,
198: int size);
199:
200: void db_save_lex_context(struct db_lex_context *lp);
201:
202: void db_restore_lex_context(struct db_lex_context *lp);
203:
204: int db_read_char(void);
205:
206: void db_unread_token(int t);
207:
208: int db_read_token(void);
209:
210: void db_flush_lex(void);
211:
212: void db_skip_to_eol(void);
213:
214: int db_lex(void);
215:
216: #endif /* !_DDB_DB_LEX_H_ */
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