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