Files
iverilog/vpi/sys_darray.c
T
Stephen Williams 14f229de30 Parse support for dynamic arrays.
This includes limited support for dynamic arrays down to the code
generator, and some stubs in the vvp code generator and vvp run time.
2012-07-22 10:52:06 -07:00

92 lines
2.6 KiB
C

/*
* Copyright (c) 2012 Stephen Williams ([email protected])
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include "sys_priv.h"
# include <assert.h>
static PLI_INT32 one_darray_arg_compiletf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv;
vpiHandle arg;
argv = vpi_iterate(vpiArgument, callh);
if (argv == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires a string argument.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
arg = vpi_scan(argv);
if (arg == 0) return 0;
arg = vpi_scan(argv);
if (arg != 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s has too many arguments.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
return 0;
}
static PLI_INT32 size_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv;
vpiHandle arg;
argv = vpi_iterate(vpiArgument, callh);
assert(argv);
arg = vpi_scan(argv);
assert(arg);
vpi_free_object(argv);
int res = vpi_get(vpiSize, arg);
s_vpi_value value;
value.format = vpiIntVal;
value.value.integer = res;
vpi_put_value(callh, &value, 0, vpiNoDelay);
return 0;
}
void sys_darray_register(void)
{
s_vpi_systf_data tf_data;
vpiHandle res;
tf_data.type = vpiSysFunc;
tf_data.sysfunctype = vpiIntFunc;
tf_data.tfname = "$ivl_darray_method$size";
tf_data.calltf = size_calltf;
tf_data.compiletf = one_darray_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$ivl_darray_method$size";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
}