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db_lex.h revision 1.3 
      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 (at) 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  *	Author: David B. Golub, Carnegie Mellon University
     27  *	Date:	7/90
     28  *	$Id: db_lex.h,v 1.3 1994/02/15 14:50:44 mycroft Exp $
     29  */
     30 
     31 /*
     32  * Lexical analyzer.
     33  */
     34 extern int	db_read_line();
     35 extern void	db_flush_line();
     36 extern int	db_read_char();
     37 extern void	db_unread_char(/* char c */);
     38 extern int	db_read_token();
     39 extern void	db_unread_token(/* int t */);
     40 extern void	db_flush_lex();
     41 
     42 extern int	db_tok_number;
     43 #define	TOK_STRING_SIZE		120
     44 extern char	db_tok_string[TOK_STRING_SIZE];
     45 extern int	db_radix;
     46 
     47 #define	tEOF		(-1)
     48 #define	tEOL		1
     49 #define	tNUMBER		2
     50 #define	tIDENT		3
     51 #define	tPLUS		4
     52 #define	tMINUS		5
     53 #define	tDOT		6
     54 #define	tSTAR		7
     55 #define	tSLASH		8
     56 #define	tEQ		9
     57 #define	tLPAREN		10
     58 #define	tRPAREN		11
     59 #define	tPCT		12
     60 #define	tHASH		13
     61 #define	tCOMMA		14
     62 #define	tDITTO		15
     63 #define	tDOLLAR		16
     64 #define	tEXCL		17
     65 #define	tSHIFT_L	18
     66 #define	tSHIFT_R	19
     67 #define	tDOTDOT		20
     68 
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