iverilog/vvp/vpi_cobject.cc

134 lines
3.4 KiB
C++

/*
* Copyright (c) 2012-2025 Picture Elements, Inc.
* Stephen Williams (steve@icarus.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 "compile.h"
# include "vpi_priv.h"
# include "config.h"
#ifdef CHECK_WITH_VALGRIND
# include "vvp_cleanup.h"
#endif
__vpiCobjectVar::__vpiCobjectVar(__vpiScope*sc, const char*na, vvp_net_t*ne)
: __vpiBaseVar(sc, na, ne)
{
}
int __vpiCobjectVar::get_type_code(void) const
{ return vpiClassVar; }
int __vpiCobjectVar::vpi_get(int code)
{
switch (code) {
case vpiLineNo:
return 0; // Not implemented for now!
case vpiSize:
return 64;
case vpiConstType:
return vpiNullConst;
case vpiSigned:
return 0;
case vpiAutomatic:
return 0;
#if defined(CHECK_WITH_VALGRIND) || defined(BR916_STOPGAP_FIX)
case _vpiFromThr:
return _vpiNoThr;
#endif
default:
fprintf(stderr, "vvp error: get %d not supported "
"by vpiClassVar\n", code);
assert(0);
return 0;
}
}
void __vpiCobjectVar::vpi_get_value(p_vpi_value val)
{
// FIXME: We need to get the assigned object address if one is assigned.
//fprintf(stderr, "HERE: %p\n", get_net());
static const size_t RBUF_USE_SIZE = 64 + 1;
char*rbuf = static_cast<char *>(need_result_buf(RBUF_USE_SIZE, RBUF_VAL));
switch (val->format) {
case vpiObjTypeVal:
val->format = vpiStringVal;
// fall through
case vpiBinStrVal:
case vpiDecStrVal:
case vpiOctStrVal:
case vpiHexStrVal:
case vpiStringVal:
snprintf(rbuf, RBUF_USE_SIZE, " null");
val->value.str = rbuf;
break;
case vpiScalarVal:
val->value.scalar = vpi0;
break;
case vpiIntVal:
val->value.integer = 0;
break;
case vpiVectorVal:
val->value.vector = static_cast<p_vpi_vecval>
(need_result_buf(2*sizeof(s_vpi_vecval),
RBUF_VAL));
for (unsigned idx = 0; idx < 2; idx += 1) {
val->value.vector[idx].aval = 0;
val->value.vector[idx].bval = 0;
}
break;
case vpiRealVal:
val->value.real = 0.0;
break;
default:
fprintf(stderr, "vvp error: format %d not supported "
"by vpiClassVar\n", (int)val->format);
val->format = vpiSuppressVal;
break;
}
}
vpiHandle vpip_make_cobject_var(const char*name, vvp_net_t*net)
{
__vpiScope*scope = vpip_peek_current_scope();
const char*use_name = name ? vpip_name_string(name) : NULL;
__vpiCobjectVar*obj = new __vpiCobjectVar(scope, use_name, net);
return obj;
}
#ifdef CHECK_WITH_VALGRIND
void class_delete(vpiHandle item)
{
__vpiCobjectVar*obj = dynamic_cast<__vpiCobjectVar*>(item);
delete obj;
}
#endif