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/*
* SXPDBF.C - PDB find functionality in SX
*
* Source Version: 3.0
* Software Release #92-0043
*
*/
#include "cpyright.h"
#include "sx.h"
static char
TYPE[10];
void
SC_DECLARE(_SX_find_data,
(HASHTAB *type_table, PDBfile *file, byte *vr,
long nitems, char *type)),
SC_DECLARE(_SX_find_indirection,
(HASHTAB *type_table, PDBfile *file, char **vr,
long nitems, char *type)),
SC_DECLARE(_SX_find_leaf,
(HASHTAB *type_table, PDBfile *file, char *vr,
long nitems, char *type));
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
/* SX_FIND_TYPES - find all types used by this variable */
object *SX_find_types(arg)
object *arg;
{char *type;
long nitems;
byte *vr;
HASHTAB *type_table;
object *args, *obj;
PDBfile *file;
syment *ep;
if (!SX_PDBDATAP(arg))
SS_error("MUST BE PDBDATA - SX_FIND_TYPES", arg);
file = PDBDATA_FILE(arg);
ep = PDBDATA_EP(arg);
vr = PDBDATA_DATA(arg);
type = PD_entry_type(ep);
nitems = PD_entry_number(ep);
/* create a hash table to put all of these types in */
type_table = SC_make_hash_table(HSZSMALL, NODOC);
strcpy(TYPE, "type");
/* fill the hash table with the types */
_SX_find_data(type_table, file, vr, nitems, type);
/* convert table to list */
args = SS_mk_cons(SS_mk_hash_table(type_table),
SS_null);
obj = SS_hash_dump(args);
/* delete hash table */
SC_hash_clr(type_table);
return(obj);}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
/* _SX_FIND_DATA - locate part of a data element */
void _SX_find_data(type_table, file, vr, nitems, type)
HASHTAB *type_table;
PDBfile *file;
byte *vr;
long nitems;
char *type;
{
/* if the type is an indirection, follow the pointer */
if (_PD_indirection(type))
_SX_find_indirection(type_table, file, (char **) vr, nitems, type);
else
_SX_find_leaf(type_table, file, vr, nitems, type);
return;}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
/* _SX_FIND_INDIRECTION - locate part of a data element thru indirection */
void _SX_find_indirection(type_table, file, vr, nitems, type)
HASHTAB *type_table;
PDBfile *file;
char **vr;
long nitems;
char *type;
{long i, ditems;
char *dtype, bf[MAXLINE];
dtype = PD_dereference(SC_strsavef(type,
"char*:_SX_FIND_INDIRECTION:dtype"));
for (i = 0L; i < nitems; i++, vr++)
{ditems = _PD_number_refd(DEREF(vr), dtype, file->host_chart);
if (ditems == -1L)
{sprintf(bf,
"CAN'T GET POINTER LENGTH ON %s - _SX_FIND_INDIRECTION",
dtype);
SS_error(bf, SS_null);};
if (ditems == -2L)
{sprintf(bf,
"UNKNOW TYPE %s - _SX_FIND_INDIRECTION",
dtype);
SS_error(bf, SS_null);};
/* if the type is an indirection, follow the pointer */
if (_PD_indirection(dtype))
_SX_find_indirection(type_table, file, (char **) DEREF(vr),
ditems, dtype);
else
_SX_find_leaf(type_table, file, DEREF(vr), ditems, dtype);};
SFREE(dtype);
return;}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
/* _SX_FIND_LEAF - if 'type' is a primitive type, display the data,
* - otherwise, lookup the type, and display each member.
*/
void _SX_find_leaf(type_table, file, vr, nitems, type)
HASHTAB *type_table;
PDBfile *file;
char *vr;
long nitems;
char *type;
{long i, sz;
char *svr;
defstr *defp;
HASHTAB *tab;
memdes *desc, *mem_lst;
tab = file->host_chart;
/* print out the type */
defp = PD_inquire_table_type(tab, type);
if (defp == NULL)
SS_error("VARIABLE NOT IN STRUCTURE CHART - _SX_FIND_LEAF", SS_null);
mem_lst = defp->members;
if (mem_lst != NULL)
{SC_install(type, TYPE, TYPE, type_table);
sz = defp->size;
svr = vr;
for (i = 0L; i < nitems; i++, svr += sz)
{if (pdb_wr_hook != NULL)
mem_lst = (*pdb_wr_hook)(file, svr, defp);
for (desc = mem_lst; desc != NULL; desc = desc->next)
{_SX_find_data(type_table, file,
(char *) (svr + desc->member_offs),
desc->number, desc->type);};};};
return;}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
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