#ifndef MPLIB1_VRE
#define MPLIB1_VRE
/*
*******************************************************************************
*  Copyright (c) 1996 Martin Poole                            *
*******************************************************************************
**
** WARNING !!  WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!
**
** Any changes to be made to this file should first be checked with
** mplib1 source control for library integrity.
**
** mplib1 source control can be reached at  mplib1@quatermass.co.uk
** 
*
*  $Source: /home/cvs/cvsroot/onelan/onelan/src/mplib1/mplib1/vre.h,v $
*  $Author: mpoole $
*  $Date: 2002/10/07 09:37:44 $
*  $Revision: 1.2 $
*
*******************************************************************************
*
* Change History
*
* $Log: vre.h,v $
* Revision 1.2  2002/10/07 09:37:44  mpoole
* Initial checkin of mplib1-3.1.0
*
* Revision 1.1  2002/10/07 09:37:00  mpoole
* Initial checkin of mplib1-3.1.0
*
*
*******************************************************************************
*/

#ident "$Header: /home/cvs/cvsroot/onelan/onelan/src/mplib1/mplib1/vre.h,v 1.2 2002/10/07 09:37:44 mpoole Exp $"

#ifdef CXREF
#include <sys/types.h>
#include <stdio.h>
#include <mplib1/dl_list.h>
#endif


/* vre2disp.c
   vogon record editor. Display only version

   ********************************************************************

   Copyright 1989,90,91 Martin Poole

   Released for use by Y2 Computing Limited - 1989

   Released for use by Perot Systems Europe Limited - 1995.

   ********************************************************************

*/

/* ------------------------------------------------------------------
    defines
   ------------------------------------------------------------------ */

#define TO_COMPOSITE	BIT(0)
#define	TO_DISPLAY	BIT(1)
#define TO_TYPEDEF	BIT(2)

/* ------------------------------------------------------------------
    structures
   ------------------------------------------------------------------ */

struct  vre_disp_walk_item
{
FILE    	*fp;
const	char    *prefix;
const	void    *ptr;
const	void    *base;
int     	flags;
void		*u_param;
struct  vre_elem_obj *eop;
struct  vre_type_obj *top;
};

typedef int (* vre_disp_t)( const void *, struct vre_disp_walk_item *dwip );

struct	vre_type_obj
{
dl_Node_t	to_Node;
int		to_Flags;
vre_disp_t	to_Disp;
size_t		to_Size;
int		to_Align;
dl_List_t	to_Elems;
char		to_Name[1];	/* with the strlen and this byte for the null */
};

struct	vre_elem_obj
{
dl_Node_t	eo_Node;
off_t		eo_Offset;
char		*eo_Name;
int		eo_Arr_sz;
char		eo_Type[1];
};

#define VRE_DISP_ELEM_NAMES	BIT(0)


/* ------------------------------------------------------------------
    function definitions
   ------------------------------------------------------------------ */

/* ---- vre_alloc ---- */

extern int
vre_Init_VRE( FILE *fp );

extern struct vre_type_obj *
vre_Find_Type( const char *nm );

extern int
vre_Add_Type( struct vre_type_obj *top );

extern struct vre_type_obj *
vre_Type_Synonym( const char *nm, const char *synm );

extern struct vre_type_obj *
vre_New_Type( const char *nm,
		vre_disp_t disp,
		size_t isize,
		int ialign,
		int add );

extern struct vre_elem_obj *
vre_New_Elem( const char *nm, const char *typ,
		off_t offset, int arr_sz );

extern struct vre_elem_obj *
vre_Cat_New_Elem( struct vre_type_obj *ntyp,
		    const char *el_nm,
		    const char *el_typ,
		    int arr_sz );

extern int
vre_Get_Info( const char *el_nm,
		size_t *isize,
		int *ialign,
		off_t *offset,
		int *arr_sz,
		int *flags );

extern off_t
vre_Get_Offset( const char *el_nm );

extern int
vre_Disp_Item( FILE *fp,
		const char *type,
		const char *name,
		const void *ptr,
		const void *base,
		int flags,
		void *u_param );

extern int
vre_Disp_Types( FILE *fp, int flags );

extern int
vre_Disp_Prefix( FILE *fp,
		const void *ptr,
		const void *base,
		const char *prefix,
		const char *suffix );

/* ---- vre_disp ---- */

extern int
vre_Init_Disp_Primitives( FILE *fp );


/* ---- vre_parse ---- */

extern int
vre_Parse_Line( FILE *fp, char *line );

extern int
vre_Parse_File( FILE *fp, const char *fname );


/* ---- vre_loop ---- */

extern int
vre_Interactive_Loop( char *line, FILE *fp, void *base );

extern int
vre_Get_ADDR( char *np, char **nnp );

#endif
/* -- End of File -- */