1/* 2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * @OSF_COPYRIGHT@ 30 */ 31/* 32 * HISTORY 33 * 34 * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez 35 * Import of Mac OS X kernel (~semeria) 36 * 37 * Revision 1.1.1.1 1998/03/07 02:26:09 wsanchez 38 * Import of OSF Mach kernel (~mburg) 39 * 40 * Revision 1.1.11.2 1995/01/06 19:10:24 devrcs 41 * mk6 CR668 - 1.3b26 merge 42 * 64bit cleanup 43 * [1994/10/14 03:39:54 dwm] 44 * 45 * Revision 1.1.11.1 1994/09/23 01:20:10 ezf 46 * change marker to not FREE 47 * [1994/09/22 21:10:18 ezf] 48 * 49 * Revision 1.1.4.3 1993/07/27 18:27:40 elliston 50 * Add ANSI prototypes. CR #9523. 51 * [1993/07/27 18:12:19 elliston] 52 * 53 * Revision 1.1.4.2 1993/06/02 23:11:33 jeffc 54 * Added to OSF/1 R1.3 from NMK15.0. 55 * [1993/06/02 20:56:37 jeffc] 56 * 57 * Revision 1.1 1992/09/30 02:24:17 robert 58 * Initial revision 59 * 60 * $EndLog$ 61 */ 62/* CMU_HIST */ 63/* 64 * Revision 2.5 91/10/09 16:00:48 af 65 * Revision 2.4.3.1 91/10/05 13:06:34 jeffreyh 66 * Added db_lex_context structure and some routine declarations 67 * for macro and conditinal command. 68 * Added relational operator tokens etc. for condition expression. 69 * Changed TOK_STRING_SIZE from 120 to 64, and defined 70 * DB_LEX_LINE_SIZE as 256 which was previously embedded 71 * in db_lex.c as 120. 72 * [91/08/29 tak] 73 * Revision 2.4.1 91/07/15 09:30:00 tak 74 * Added db_lex_context for macro support 75 * Added some lexical constants to support logical expression etc. 76 * [91/05/15 13:55:00 tak] 77 * 78 * Revision 2.4.3.1 91/10/05 13:06:34 jeffreyh 79 * Added db_lex_context structure and some routine declarations 80 * for macro and conditinal command. 81 * Added relational operator tokens etc. for condition expression. 82 * Changed TOK_STRING_SIZE from 120 to 64, and defined 83 * DB_LEX_LINE_SIZE as 256 which was previously embedded 84 * in db_lex.c as 120. 85 * [91/08/29 tak] 86 * 87 * Revision 2.4.1 91/07/15 09:30:00 tak 88 * Added db_lex_context for macro support 89 * Added some lexical constants to support logical expression etc. 90 * [91/05/15 13:55:00 tak] 91 * 92 * Revision 2.4 91/05/14 15:34:38 mrt 93 * Correcting copyright 94 * 95 * Revision 2.3 91/02/05 17:06:41 mrt 96 * Changed to new Mach copyright 97 * [91/01/31 16:18:28 mrt] 98 * 99 * Revision 2.2 90/08/27 21:51:16 dbg 100 * Add 'dotdot' token. 101 * [90/08/22 dbg] 102 * Export db_flush_lex. 103 * [90/08/07 dbg] 104 * Created. 105 * [90/07/25 dbg] 106 * 107 */ 108/* CMU_ENDHIST */ 109/* 110 * Mach Operating System 111 * Copyright (c) 1991,1990 Carnegie Mellon University 112 * All Rights Reserved. 113 * 114 * Permission to use, copy, modify and distribute this software and its 115 * documentation is hereby granted, provided that both the copyright 116 * notice and this permission notice appear in all copies of the 117 * software, derivative works or modified versions, and any portions 118 * thereof, and that both notices appear in supporting documentation. 119 * 120 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 121 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 122 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 123 * 124 * Carnegie Mellon requests users of this software to return to 125 * 126 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 127 * School of Computer Science 128 * Carnegie Mellon University 129 * Pittsburgh PA 15213-3890 130 * 131 * any improvements or extensions that they make and grant Carnegie Mellon 132 * the rights to redistribute these changes. 133 */ 134/* 135 */ 136/* 137 * Author: David B. Golub, Carnegie Mellon University 138 * Date: 7/90 139 */ 140/* 141 * Lexical analyzer. 142 */ 143 144#ifndef _DDB_DB_LEX_H_ 145#define _DDB_DB_LEX_H_ 146 147#include <machine/db_machdep.h> /* For db_expr_t */ 148 149#define TOK_STRING_SIZE 64 150#define DB_LEX_LINE_SIZE 256 151 152struct db_lex_context { 153 int l_char; /* peek char */ 154 int l_token; /* peek token */ 155 const char *l_ptr; /* line pointer */ 156 const char *l_eptr; /* line end pointer */ 157}; 158 159extern db_expr_t db_tok_number; 160extern char db_tok_string[TOK_STRING_SIZE]; 161extern db_expr_t db_radix; 162 163#define tEOF (-1) 164#define tEOL 1 165#define tNUMBER 2 166#define tIDENT 3 167#define tPLUS 4 168#define tMINUS 5 169#define tDOT 6 170#define tSTAR 7 171#define tSLASH 8 172#define tEQ 9 173#define tLPAREN 10 174#define tRPAREN 11 175#define tPCT 12 176#define tHASH 13 177#define tCOMMA 14 178#define tQUOTE 15 179#define tDOLLAR 16 180#define tEXCL 17 181#define tSHIFT_L 18 182#define tSHIFT_R 19 183#define tDOTDOT 20 184#define tSEMI_COLON 21 185#define tLOG_EQ 22 186#define tLOG_NOT_EQ 23 187#define tLESS 24 188#define tLESS_EQ 25 189#define tGREATER 26 190#define tGREATER_EQ 27 191#define tBIT_AND 28 192#define tBIT_OR 29 193#define tLOG_AND 30 194#define tLOG_OR 31 195#define tSTRING 32 196#define tQUESTION 33 197 198/* Prototypes for functions exported by this module. 199 */ 200int db_read_line(const char *); 201 202void db_switch_input(const char *, int); 203 204void db_save_lex_context(struct db_lex_context *lp); 205 206void db_restore_lex_context(struct db_lex_context *lp); 207 208int db_read_char(void); 209 210void db_unread_token(int t); 211 212int db_read_token(void); 213 214void db_flush_lex(void); 215 216void db_skip_to_eol(void); 217 218int db_lex(void); 219 220#endif /* !_DDB_DB_LEX_H_ */ 221