iverilog/libveriuser/a_handle_tfarg.c

57 lines
1.4 KiB
C

/*
* Copyright (c) 2002-2020 Michael Ruff (mruff at chiaro.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <acc_user.h>
#include <vpi_user.h>
#include "priv.h"
/*
* acc_handle_tfarg implemented using VPI interface
*/
handle acc_handle_tfarg(int n)
{
vpiHandle rtn_h = 0;
if (n > 0) {
vpiHandle sys_i;
sys_i = vpi_iterate(vpiArgument, cur_instance);
/* find nth arg */
while (n > 0) {
rtn_h = vpi_scan(sys_i);
if (rtn_h == 0)
break;
n--;
}
if (rtn_h) vpi_free_object(sys_i);
} else {
rtn_h = (vpiHandle) 0;
}
return rtn_h;
}
handle acc_handle_tfinst(void)
{
return cur_instance;
}