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 */ 39void db_flush_lex(void); 40char *db_get_line(void); 41void db_inject_line(const char *command); 42int db_read_line(void); 43int db_read_token(void); 44void db_unread_token(int t); 45 46extern db_expr_t db_tok_number; 47#define TOK_STRING_SIZE 120 48extern 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