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db_command.h revision 1.22 
      1  1.22    simonb /*	$NetBSD: db_command.h,v 1.22 2002/02/15 07:33:50 simonb Exp $	*/
      2   1.5       cgd 
      3  1.22    simonb /*
      4   1.1       cgd  * Mach Operating System
      5   1.1       cgd  * Copyright (c) 1991,1990 Carnegie Mellon University
      6   1.1       cgd  * All Rights Reserved.
      7  1.22    simonb  *
      8   1.1       cgd  * Permission to use, copy, modify and distribute this software and its
      9   1.1       cgd  * documentation is hereby granted, provided that both the copyright
     10   1.1       cgd  * notice and this permission notice appear in all copies of the
     11   1.1       cgd  * software, derivative works or modified versions, and any portions
     12   1.1       cgd  * thereof, and that both notices appear in supporting documentation.
     13  1.22    simonb  *
     14  1.12        pk  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15   1.1       cgd  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     16   1.1       cgd  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  1.22    simonb  *
     18   1.1       cgd  * Carnegie Mellon requests users of this software to return to
     19  1.22    simonb  *
     20   1.1       cgd  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21   1.1       cgd  *  School of Computer Science
     22   1.1       cgd  *  Carnegie Mellon University
     23   1.1       cgd  *  Pittsburgh PA 15213-3890
     24  1.22    simonb  *
     25   1.1       cgd  * any improvements or extensions that they make and grant Carnegie the
     26   1.1       cgd  * rights to redistribute these changes.
     27   1.1       cgd  *
     28   1.1       cgd  *	Author: David B. Golub, Carnegie Mellon University
     29   1.1       cgd  *	Date:	7/90
     30   1.1       cgd  */
     31   1.3   mycroft 
     32   1.1       cgd /*
     33   1.1       cgd  * Command loop declarations.
     34   1.1       cgd  */
     35   1.8  christos struct db_command;
     36   1.1       cgd 
     37  1.22    simonb void	db_skip_to_eol(void);
     38  1.22    simonb void	db_command_loop(void);
     39  1.22    simonb void	db_error(char *);
     40  1.22    simonb 
     41  1.22    simonb extern db_addr_t db_dot;	/* current location */
     42  1.22    simonb extern db_addr_t db_last_addr;	/* last explicit address typed */
     43  1.22    simonb extern db_addr_t db_prev;	/* last address examined
     44   1.7   mycroft 				   or written */
     45  1.22    simonb extern db_addr_t db_next;	/* next address to be examined
     46   1.7   mycroft 				   or written */
     47   1.1       cgd 
     48   1.4        pk /*
     49   1.4        pk  * Command table
     50   1.4        pk  */
     51   1.4        pk struct db_command {
     52  1.19  jdolecek 	const char	*name;		/* command name */
     53   1.8  christos 	/* function to call */
     54  1.22    simonb 	void		(*fcn)(db_expr_t, int, db_expr_t, char *);
     55   1.4        pk 	int		flag;		/* extra info: */
     56   1.4        pk #define	CS_OWN		0x1		/* non-standard syntax */
     57   1.4        pk #define	CS_MORE		0x2		/* standard syntax, but may have other
     58   1.4        pk 					   words at end */
     59   1.4        pk #define	CS_SET_DOT	0x100		/* set dot after command */
     60  1.19  jdolecek 	const struct db_command *more;	/* another level of command */
     61   1.4        pk };
     62