/*	$OpenBSD: db_lex.h,v 1.7 2002/07/01 21:56:55 miod Exp $	*/
/*	$NetBSD: db_lex.h,v 1.7 1996/02/05 01:57:07 christos Exp $	*/

/* 
 * Mach Operating System
 * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 *
 *	Author: David B. Golub, Carnegie Mellon University
 *	Date:	7/90
 */

/*
 * Lexical analyzer.
 */
int db_read_line(void);
void db_flush_line(void);
int db_read_char(void);
void db_unread_char(int);
void db_unread_token(int);
int db_read_token(void);
void db_flush_lex(void);
int db_lex(void);

extern db_expr_t db_tok_number;
#define	TOK_STRING_SIZE		120 
extern char db_tok_string[TOK_STRING_SIZE];

#define	tEOF		(-1)
#define	tEOL		1
#define	tNUMBER		2
#define	tIDENT		3
#define	tPLUS		4
#define	tMINUS		5
#define	tDOT		6
#define	tSTAR		7
#define	tSLASH		8
#define	tEQ		9
#define	tLPAREN		10
#define	tRPAREN		11
#define	tPCT		12
#define	tHASH		13
#define	tCOMMA		14
#define	tDITTO		15
#define	tDOLLAR		16
#define	tEXCL		17
#define	tSHIFT_L	18
#define	tSHIFT_R	19
#define	tDOTDOT		20