gambas-source-code/main/gbx/gbx_array.c
Benoît Minisini f65184802d [CONFIGURATION]
* NEW: Update copyright and license string in all source files.


git-svn-id: svn://localhost/gambas/trunk@2241 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2009-08-17 10:41:51 +00:00

153 lines
2.8 KiB
C

/***************************************************************************
gbx_array.c
(c) 2000-2009 Benoît Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
#define __GB_ARRAY_C
#include "gb_common.h"
#include "gb_error.h"
#include "gbx_api.h"
#include "gambas.h"
#include "gbx_class.h"
#include "gbx_exec.h"
#include "gbx_array.h"
size_t ARRAY_get_size(ARRAY_DESC *desc)
{
ssize_t size;
int i;
size = 1;
for (i = 0;; i++)
{
size *= desc->dim[i];
if (size < 0)
{
size = (-size);
break;
}
}
size *= TYPE_sizeof_memory(desc->type.id);
return (size_t)size;
}
void ARRAY_new(void **data, ARRAY_DESC *desc)
{
ALLOC_ZERO(data, ARRAY_get_size(desc), "ARRAY_new");
}
void ARRAY_free_data(void *data, ARRAY_DESC *desc)
{
ssize_t size;
intptr_t i;
char *array;
size = 1;
for (i = 0;; i++)
{
size *= desc->dim[i];
if (size < 0)
{
size = (-size);
break;
}
}
array = data;
if (desc->type.id == T_STRING)
{
for (i = 0; i < size; i++)
{
STRING_unref((char **)array);
array += sizeof(char *);
}
}
else if (desc->type.id == T_OBJECT)
{
for (i = 0; i < size; i++)
{
OBJECT_UNREF(*((void **)array), "ARRAY_free_data");
array += sizeof(void *);
}
}
else if (desc->type.id == T_VARIANT)
{
for (i = 0; i < size; i++)
{
VARIANT_free((VARIANT *)array);
array += sizeof(VARIANT);
}
}
}
void ARRAY_free(void **data, ARRAY_DESC *desc)
{
if (*data == NULL)
return;
ARRAY_free_data(*data, desc);
FREE(data, "ARRAY_free");
}
void *ARRAY_get_address(ARRAY_DESC *desc, void *addr, int nparam, int *param)
{
int max;
int i;
bool stop = FALSE;
offset_t pos = 0;
for (i = 0;; i++)
{
if (i >= nparam)
THROW(E_NDIM);
max = desc->dim[i];
if (max < 0)
{
max = (-max);
stop = TRUE;
}
if (param[i] < 0 || param[i] >= max)
THROW(E_BOUND);
pos *= max;
pos += param[i];
if (stop)
break;
}
return (char *)addr + pos * TYPE_sizeof_memory(desc->type.id);
}