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