sys/ddb/db_lex.h

   1 /*      $OpenBSD: db_lex.h,v 1.7 2002/07/01 21:56:55 miod Exp $ */
   2 /*      $NetBSD: db_lex.h,v 1.7 1996/02/05 01:57:07 christos Exp $      */
   3
   4 /*
   5  * Mach Operating System
   6  * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
   7  * All Rights Reserved.
   8  *
   9  * Permission to use, copy, modify and distribute this software and its
  10  * documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  17  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie Mellon
  27  * the rights to redistribute these changes.
  28  *
  29  *      Author: David B. Golub, Carnegie Mellon University
  30  *      Date:   7/90
  31  */
  32
  33 /*
  34  * Lexical analyzer.
  35  */
  36 int db_read_line(void);
  37 void db_flush_line(void);
  38 int db_read_char(void);
  39 void db_unread_char(int);
  40 void db_unread_token(int);
  41 int db_read_token(void);
  42 void db_flush_lex(void);
  43 int db_lex(void);
  44
  45 extern db_expr_t db_tok_number;
  46 #define TOK_STRING_SIZE         120
  47 extern char db_tok_string[TOK_STRING_SIZE];
  48
  49 #define tEOF            (-1)
  50 #define tEOL            1
  51 #define tNUMBER         2
  52 #define tIDENT          3
  53 #define tPLUS           4
  54 #define tMINUS          5
  55 #define tDOT            6
  56 #define tSTAR           7
  57 #define tSLASH          8
  58 #define tEQ             9
  59 #define tLPAREN         10
  60 #define tRPAREN         11
  61 #define tPCT            12
  62 #define tHASH           13
  63 #define tCOMMA          14
  64 #define tDITTO          15
  65 #define tDOLLAR         16
  66 #define tEXCL           17
  67 #define tSHIFT_L        18
  68 #define tSHIFT_R        19
  69 #define tDOTDOT         20
  70
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  73