356 lines
8.4 KiB
C++
356 lines
8.4 KiB
C++
/*
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* Copyright (c) 2012-2025 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 "vvp_darray.h"
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# include "array_common.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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__vpiDarrayVar::__vpiDarrayVar(__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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unsigned __vpiDarrayVar::get_size() const
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{
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const vvp_fun_signal_object*fun = dynamic_cast<vvp_fun_signal_object*> (get_net()->fun);
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if(!fun)
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return 0;
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vvp_object_t val = fun->get_object();
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const vvp_darray*aval = val.peek<vvp_darray>();
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if(!aval)
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return 0;
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return aval->get_size();
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}
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vpiHandle __vpiDarrayVar::get_left_range()
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{
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left_range_.set_value(0);
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return &left_range_;
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}
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vpiHandle __vpiDarrayVar::get_right_range()
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{
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right_range_.set_value(get_size() - 1);
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return &right_range_;
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}
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int __vpiDarrayVar::get_word_size() const
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{
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vvp_vector4_t new_vec;
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vvp_darray*aobj = get_vvp_darray();
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aobj->get_word(0, new_vec);
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return new_vec.size();
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}
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char*__vpiDarrayVar::get_word_str(struct __vpiArrayWord*word, int code)
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{
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unsigned index = word->get_index();
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if (code == vpiFile) { // Not implemented for now!
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return simple_set_rbuf_str(file_names[0]);
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}
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char sidx [64];
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snprintf(sidx, 63, "%d", (int)index);
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return generic_get_str(code, scope_, name_, sidx);
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}
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void __vpiDarrayVar::get_word_value(struct __vpiArrayWord*word, p_vpi_value vp)
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{
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unsigned index = word->get_index();
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vvp_darray*aobj = get_vvp_darray();
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if(vp->format == vpiObjTypeVal) {
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if(dynamic_cast<vvp_darray_real*>(aobj))
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vp->format = vpiRealVal;
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else if(dynamic_cast<vvp_darray_string*>(aobj))
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vp->format = vpiStringVal;
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else
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vp->format = vpiVectorVal;
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}
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switch(vp->format) {
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case vpiBinStrVal:
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case vpiOctStrVal:
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case vpiDecStrVal:
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case vpiHexStrVal:
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case vpiScalarVal:
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case vpiIntVal:
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case vpiVectorVal:
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{
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vvp_vector4_t v;
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aobj->get_word(index, v);
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vpip_vec4_get_value(v, v.size(), false, vp); // TODO sign?
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}
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break;
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case vpiRealVal:
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{
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double d;
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aobj->get_word(index, d);
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vpip_real_get_value(d, vp);
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}
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break;
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case vpiStringVal:
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{
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string s;
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aobj->get_word(index, s);
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vpip_string_get_value(s, vp);
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}
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break;
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default:
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fprintf(stderr, "vpi sorry: format is not implemented\n");
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assert(false);
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}
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}
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void __vpiDarrayVar::put_word_value(struct __vpiArrayWord*word, p_vpi_value vp, int)
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{
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unsigned index = word->get_index();
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vvp_darray*aobj = get_vvp_darray();
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switch(vp->format) {
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case vpiScalarVal:
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{
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vvp_vector4_t vec(1, vp->value.scalar);
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aobj->set_word(index, vec);
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}
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break;
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case vpiIntVal:
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{
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vvp_vector4_t vec;
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unsigned long val = vp->value.integer;
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vec.setarray(0, 8 * sizeof(vp->value.integer), &val);
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aobj->set_word(index, vec);
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}
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break;
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case vpiVectorVal: // 2 vs 4 state logic?
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{
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int size = get_word_size();
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PLI_INT32 a = 0, b = 0;
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vvp_vector4_t new_vec(size);
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p_vpi_vecval vec = vp->value.vector;
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vec--; // it will be increased in the first loop iteration
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for(int i = 0; i < size; ++i) {
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int new_bit;
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if(i % (8 * sizeof(vec->aval)) == 0) {
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++vec;
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a = vec->aval;
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b = vec->bval;
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}
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// convert to vvp_bit4_t
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new_bit = ((b & 1) << 2) | (a & 1);
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new_vec.set_bit(i, (vvp_bit4_t) new_bit);
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a >>= 1;
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b >>= 1;
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}
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aobj->set_word(index, new_vec);
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}
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break;
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case vpiRealVal:
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aobj->set_word(index, vp->value.real);
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break;
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case vpiStringVal:
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aobj->set_word(index, std::string(vp->value.str));
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break;
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default:
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fprintf(stderr, "vpi sorry: format is not implemented");
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assert(false);
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}
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}
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vpiHandle __vpiDarrayVar::get_iter_index(struct __vpiArrayIterator*, int idx)
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{
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if (vals_words == 0) make_vals_words();
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return &(vals_words[idx].as_word);
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}
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int __vpiDarrayVar::vpi_get(int code)
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{
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switch (code) {
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case vpiArrayType:
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return vpiDynamicArray;
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case vpiLeftRange:
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return 0;
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case vpiRightRange:
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return get_size() - 1;
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case vpiSize:
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return get_size();
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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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char* __vpiDarrayVar::vpi_get_str(int code)
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{
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if (code == vpiFile) { // Not implemented for now!
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return simple_set_rbuf_str(file_names[0]);
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}
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return generic_get_str(code, scope_, name_, NULL);
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}
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vpiHandle __vpiDarrayVar::vpi_handle(int code)
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{
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switch (code) {
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case vpiLeftRange:
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return get_left_range();
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case vpiRightRange:
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return get_right_range();
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case vpiScope:
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return scope_;
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case vpiModule:
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return vpip_module(scope_);
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}
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return 0;
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}
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vpiHandle __vpiDarrayVar::vpi_index(int index)
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{
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if (index >= (long) get_size())
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return 0;
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if (index < 0)
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return 0;
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if (vals_words == 0)
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make_vals_words();
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return &(vals_words[index].as_word);
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}
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void __vpiDarrayVar::vpi_get_value(p_vpi_value val)
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{
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val->format = vpiSuppressVal;
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}
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vvp_darray*__vpiDarrayVar::get_vvp_darray() const
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{
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vvp_fun_signal_object*fun = dynamic_cast<vvp_fun_signal_object*> (get_net()->fun);
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assert(fun);
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vvp_object_t obj = fun->get_object();
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return obj.peek<vvp_darray>();
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}
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vpiHandle vpip_make_darray_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) : NULL;
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__vpiDarrayVar*obj = new __vpiDarrayVar(scope, use_name, net);
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return obj;
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}
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__vpiQueueVar::__vpiQueueVar(__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 __vpiQueueVar::get_type_code(void) const
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{ return vpiArrayVar; }
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int __vpiQueueVar::vpi_get(int code)
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{
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vvp_fun_signal_object*fun = dynamic_cast<vvp_fun_signal_object*> (get_net()->fun);
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assert(fun);
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vvp_object_t val = fun->get_object();
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const vvp_queue*aval = val.peek<vvp_queue>();
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switch (code) {
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case vpiArrayType:
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return vpiQueueArray;
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case vpiSize:
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if (aval == 0)
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return 0;
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else
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return aval->get_size();
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default:
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return 0;
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}
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}
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void __vpiQueueVar::vpi_get_value(p_vpi_value val)
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{
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val->format = vpiSuppressVal;
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}
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vpiHandle vpip_make_queue_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) : NULL;
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__vpiQueueVar*obj = new __vpiQueueVar(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 darray_delete(vpiHandle item)
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{
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__vpiDarrayVar*obj = dynamic_cast<__vpiDarrayVar*>(item);
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if (obj->vals_words) delete [] (obj->vals_words-1);
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delete obj;
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}
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void queue_delete(vpiHandle item)
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{
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__vpiQueueVar*obj = dynamic_cast<__vpiQueueVar*>(item);
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delete obj;
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}
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#endif
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