sys/ddb/db_lex.h

   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: src/sys/ddb/db_lex.h,v 1.12 1999/08/28 00:41:08 peter Exp $
  27  */
  28
  29 #ifndef _DDB_DB_LEX_H_
  30 #define _DDB_DB_LEX_H_
  31
  32 #ifndef _DDB_DDB_H_
  33 #include <ddb/ddb.h>
  34 #endif
  35
  36 /*
  37  *      Author: David B. Golub, Carnegie Mellon University
  38  *      Date:   7/90
  39  */
  40
  41 #define TOK_STRING_SIZE         120
  42
  43 #define tEOF            (-1)
  44 #define tEOL            1
  45 #define tNUMBER         2
  46 #define tIDENT          3
  47 #define tPLUS           4
  48 #define tMINUS          5
  49 #define tDOT            6
  50 #define tSTAR           7
  51 #define tSLASH          8
  52 #define tEQ             9
  53 #define tLPAREN         10
  54 #define tRPAREN         11
  55 #define tPCT            12
  56 #define tHASH           13
  57 #define tCOMMA          14
  58 #define tDITTO          15
  59 #define tDOLLAR         16
  60 #define tEXCL           17
  61 #define tSHIFT_L        18
  62 #define tSHIFT_R        19
  63 #define tDOTDOT         20
  64
  65 #ifdef _KERNEL
  66
  67 /*
  68  * Lexical analyzer.
  69  */
  70 void    db_flush_lex (void);
  71 char   *db_num_to_str(db_expr_t);
  72 int     db_read_line (void);
  73 int     db_read_token (void);
  74 void    db_unread_token (int t);
  75
  76 extern db_expr_t        db_tok_number;
  77 extern char     db_tok_string[TOK_STRING_SIZE];
  78
  79 #endif
  80
  81 #endif /* !_DDB_DB_LEX_H_ */