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/*
* Copyright (c) 2012-2015 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 "vvp_net_sig.h"
# include "schedule.h"
#ifdef CHECK_WITH_VALGRIND
# include "vvp_cleanup.h"
#endif
# include <cstdio>
# include <cstdlib>
# include <cstring>
# include <cassert>
# include "ivl_alloc.h"
using namespace std;
__vpiStringVar::__vpiStringVar(__vpiScope*sc, const char*na, vvp_net_t*ne)
: __vpiBaseVar(sc, na, ne)
{
}
int __vpiStringVar::get_type_code(void) const
{ return vpiStringVar; }
int __vpiStringVar::vpi_get(int code)
{
vvp_fun_signal_string*fun = dynamic_cast<vvp_fun_signal_string*> (get_net()->fun);
assert(fun);
string str = fun->get_string();
switch (code) {
case vpiSize:
// The vpiSize of a string variable is the number of
// bytes (characters) in that string.
return str.size();
case vpiLeftRange:
return 0;
case vpiRightRange:
return str.size() - 1;
default:
fprintf(stderr, "vpi sorry: property is not implemented");
assert(false);
return 0;
}
}
void __vpiStringVar::vpi_get_value(p_vpi_value val)
{
vvp_fun_signal_string*fun = dynamic_cast<vvp_fun_signal_string*> (get_net()->fun);
assert(fun);
string str = fun->get_string();
if (val->format == vpiStringVal || val->format == vpiObjTypeVal) {
char*rbuf = (char *) need_result_buf(str.size()+1, RBUF_VAL);
strcpy(rbuf, str.c_str());
val->format = vpiStringVal;
val->value.str = rbuf;
return;
}
val->format = vpiSuppressVal;
}
vpiHandle __vpiStringVar::vpi_put_value(p_vpi_value val, int)
{
vvp_fun_signal_string*fun = dynamic_cast<vvp_fun_signal_string*> (get_net()->fun);
assert(fun);
assert(val->format == vpiStringVal);
vvp_net_ptr_t dest (get_net(), 0);
vvp_send_string(dest, val->value.str, vthread_get_wt_context());
return 0;
}
vpiHandle vpip_make_string_var(const char*name, vvp_net_t*net)
{
__vpiScope*scope = vpip_peek_current_scope();
const char*use_name = name ? vpip_name_string(name) : 0;
__vpiStringVar*obj = new __vpiStringVar(scope, use_name, net);
return obj;
}
#ifdef CHECK_WITH_VALGRIND
void string_delete(vpiHandle item)
{
__vpiStringVar*obj = dynamic_cast<__vpiStringVar*>(item);
delete obj;
}
#endif
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