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      1 /*	$NetBSD: db_lex.h,v 1.17 2022/08/30 22:37:03 riastradh Exp $	*/
      2 
      3 /*
      4  * Mach Operating System
      5  * Copyright (c) 1991,1990 Carnegie Mellon University
      6  * All Rights Reserved.
      7  *
      8  * Permission to use, copy, modify and distribute this software and its
      9  * documentation is hereby granted, provided that both the copyright
     10  * notice and this permission notice appear in all copies of the
     11  * software, derivative works or modified versions, and any portions
     12  * thereof, and that both notices appear in supporting documentation.
     13  *
     14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     16  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  *
     18  * Carnegie Mellon requests users of this software to return to
     19  *
     20  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21  *  School of Computer Science
     22  *  Carnegie Mellon University
     23  *  Pittsburgh PA 15213-3890
     24  *
     25  * any improvements or extensions that they make and grant Carnegie the
     26  * rights to redistribute these changes.
     27  *
     28  *	Author: David B. Golub, Carnegie Mellon University
     29  *	Date:	7/90
     30  */
     31 
     32 /*
     33  * Lexical analyzer.
     34  */
     35 void	db_flush_lex(void);
     36 char   *db_num_to_str(db_expr_t);
     37 void	db_num_to_strbuf(db_expr_t, char *, size_t);
     38 int	db_read_line(void);
     39 void	db_set_line(const char *, const char *);
     40 void	db_get_line(const char **, const char **);
     41 int	db_read_token(void);
     42 void	db_unread_token(int);
     43 
     44 #define	DB_LINE_MAXLEN		120
     45 
     46 extern db_expr_t db_tok_number;
     47 #define	TOK_STRING_SIZE		DB_LINE_MAXLEN
     48 extern char	db_tok_string[];
     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