109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
/*
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* Copyright (c) 2012-2015 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "compile.h"
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# include "vpi_priv.h"
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# include "vvp_net_sig.h"
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# include "schedule.h"
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#ifdef CHECK_WITH_VALGRIND
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# include "vvp_cleanup.h"
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#endif
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# include <cstdio>
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# include <cstdlib>
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# include <cstring>
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# include <cassert>
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# include "ivl_alloc.h"
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using namespace std;
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__vpiStringVar::__vpiStringVar(__vpiScope*sc, const char*na, vvp_net_t*ne)
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: __vpiBaseVar(sc, na, ne)
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{
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}
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int __vpiStringVar::get_type_code(void) const
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{ return vpiStringVar; }
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int __vpiStringVar::vpi_get(int code)
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{
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vvp_fun_signal_string*fun = dynamic_cast<vvp_fun_signal_string*> (get_net()->fun);
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assert(fun);
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string str = fun->get_string();
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switch (code) {
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case vpiSize:
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// The vpiSize of a string variable is the number of
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// bytes (characters) in that string.
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return str.size();
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case vpiLeftRange:
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return 0;
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case vpiRightRange:
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return str.size() - 1;
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default:
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fprintf(stderr, "vpi sorry: property is not implemented");
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assert(false);
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return 0;
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}
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}
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void __vpiStringVar::vpi_get_value(p_vpi_value val)
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{
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vvp_fun_signal_string*fun = dynamic_cast<vvp_fun_signal_string*> (get_net()->fun);
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assert(fun);
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string str = fun->get_string();
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if (val->format == vpiStringVal || val->format == vpiObjTypeVal) {
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char*rbuf = (char *) need_result_buf(str.size()+1, RBUF_VAL);
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strcpy(rbuf, str.c_str());
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val->format = vpiStringVal;
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val->value.str = rbuf;
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return;
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}
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val->format = vpiSuppressVal;
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}
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vpiHandle __vpiStringVar::vpi_put_value(p_vpi_value val, int)
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{
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vvp_fun_signal_string*fun = dynamic_cast<vvp_fun_signal_string*> (get_net()->fun);
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assert(fun);
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assert(val->format == vpiStringVal);
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vvp_net_ptr_t dest (get_net(), 0);
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vvp_send_string(dest, val->value.str, vthread_get_wt_context());
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return 0;
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}
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vpiHandle vpip_make_string_var(const char*name, vvp_net_t*net)
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{
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__vpiScope*scope = vpip_peek_current_scope();
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const char*use_name = name ? vpip_name_string(name) : 0;
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__vpiStringVar*obj = new __vpiStringVar(scope, use_name, net);
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return obj;
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}
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#ifdef CHECK_WITH_VALGRIND
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void string_delete(vpiHandle item)
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{
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__vpiStringVar*obj = dynamic_cast<__vpiStringVar*>(item);
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delete obj;
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}
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#endif
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