iverilog/libveriuser/a_fetch_value.c

126 lines
3.2 KiB
C

/*
* Copyright (c) 2003-2008 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include <acc_user.h>
# include <vpi_user.h>
# include "priv.h"
# include <assert.h>
# include <string.h>
static char* fetch_struct_value(handle obj, s_acc_value*value)
{
struct t_vpi_value val;
switch (value->format) {
case accScalarVal:
val.format = vpiScalarVal;
vpi_get_value(obj, &val);
switch (val.value.scalar) {
case vpi0:
value->value.scalar = acc0;
break;
case vpi1:
value->value.scalar = acc1;
break;
case vpiX:
value->value.scalar = accX;
break;
case vpiZ:
value->value.scalar = accZ;
break;
default:
assert(0);
}
if (pli_trace) {
fprintf(pli_trace, "acc_fetch_value(<%s>, "
"accScalarVal) --> %d\n",
vpi_get_str(vpiFullName,obj),
value->value.scalar);
}
break;
case accIntVal:
val.format = vpiIntVal;
vpi_get_value(obj, &val);
value->value.integer = val.value.integer;
if (pli_trace) {
fprintf(pli_trace, "acc_fetch_value(<%s>, "
"accIntVal) --> %d\n",
vpi_get_str(vpiFullName,obj),
value->value.integer);
}
break;
case accRealVal:
val.format = vpiRealVal;
vpi_get_value(obj, &val);
value->value.real = val.value.real;
if (pli_trace) {
fprintf(pli_trace, "acc_fetch_value(<%s>, "
"accRealVal) --> %g\n",
vpi_get_str(vpiFullName,obj),
value->value.real);
}
break;
default:
vpi_printf("XXXX acc_fetch_value(..., \"%%%%\", <%d>);\n",
value->format);
value->value.str = "<string value>";
break;
}
return 0;
}
static char* fetch_strength_value(handle obj)
{
struct t_vpi_value val;
char str[4];
val.format = vpiStrengthVal;
vpi_get_value(obj, &val);
/* Should this iterate over the bits? It now matches the old code. */
vpip_format_strength(str, &val, 0);
if (pli_trace) {
fprintf(pli_trace, "acc_fetch_value(<%s>, \"%%v\") --> %s\n",
vpi_get_str(vpiFullName,obj), str);
}
return __acc_newstring(str);
}
char* acc_fetch_value(handle obj, const char*fmt, s_acc_value*value)
{
if (strcmp(fmt, "%%") == 0)
return fetch_struct_value(obj, value);
if (strcmp(fmt, "%v") == 0)
return fetch_strength_value(obj);
vpi_printf("XXXX acc_fetch_value(..., \"%s\", ...)\n", fmt);
return "<acc_fetch_value>";
}