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/*
* Copyright (c) 2014 Stephen Williams (steve@icarus.com)
* Copyright (c) 2014 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 "array_common.h"
vpiHandle __vpiArrayBase::vpi_array_base_iterate(int code)
{
switch (code) {
case vpiReg:
case vpiMemoryWord: {
struct __vpiArrayIterator*res;
res = new __vpiArrayIterator;
res->array = this;
res->next = 0;
return res;
}
}
return 0;
}
void __vpiArrayBase::make_vals_words()
{
assert(vals_words == 0);
vals_words = new struct __vpiArrayWord[get_size() + 1];
// Make word[-1] point to the parent.
vals_words->parent = this;
// Now point to word-0
vals_words += 1;
struct __vpiArrayWord*words = vals_words;
for (unsigned idx = 0 ; idx < get_size() ; idx += 1) {
words[idx].word0 = words;
}
}
vpiHandle __vpiArrayIterator::vpi_index(int)
{
if (next >= array->get_size()) {
vpi_free_object(this);
return 0;
}
unsigned use_index = next;
next += 1;
return array->get_iter_index(this, use_index);
}
static int array_iterator_free_object(vpiHandle ref)
{
struct __vpiArrayIterator*obj = dynamic_cast<__vpiArrayIterator*>(ref);
delete obj;
return 1;
}
__vpiHandle::free_object_fun_t __vpiArrayIterator::free_object_fun(void)
{ return &array_iterator_free_object; }
vpiHandle __vpiArrayIndex::vpi_iterate(int code)
{
// TODO originally, __vpiArrayIndex is casted to __vpiDecConst and assigned
// to res->index - seems like a bug to me
if (code == vpiIndex) {
struct __vpiArrayIndex*res;
res = new __vpiArrayIndex;
res->index = index; // see the comment above
res->done = 0;
return res;
}
return 0;
}
vpiHandle __vpiArrayIndex::vpi_index(int)
{
if (done == 0) {
done = 1;
return index;
}
vpi_free_object(this);
return 0;
}
static int array_index_free_object(vpiHandle ref)
{
struct __vpiArrayIndex*obj = dynamic_cast<__vpiArrayIndex*>(ref);
delete obj;
return 1;
}
__vpiHandle::free_object_fun_t __vpiArrayIndex::free_object_fun(void)
{ return &array_index_free_object; }
char* __vpiArrayWord::as_word_t::vpi_get_str(int code)
{
struct __vpiArrayWord*obj = array_var_word_from_handle(this);
assert(obj);
struct __vpiArrayBase*parent = obj->get_parent();
return parent->get_word_str(obj, code);
}
void __vpiArrayWord::as_word_t::vpi_get_value(p_vpi_value vp)
{
struct __vpiArrayWord*obj = array_var_word_from_handle(this);
assert(obj);
struct __vpiArrayBase*parent = obj->get_parent();
return parent->get_word_value(obj, vp);
}
vpiHandle __vpiArrayWord::as_word_t::vpi_put_value(p_vpi_value vp, int flags)
{
struct __vpiArrayWord*obj = array_var_word_from_handle(this);
assert(obj);
struct __vpiArrayBase*parent = obj->get_parent();
parent->put_word_value(obj, vp, flags);
return this;
}
vpiHandle __vpiArrayWord::as_word_t::vpi_handle(int code)
{
struct __vpiArrayWord*obj = array_var_word_from_handle(this);
assert(obj);
struct __vpiArrayBase*parent = obj->get_parent();
switch (code) {
case vpiIndex:
return &(obj->as_index);
case vpiLeftRange:
return parent->get_left_range();
case vpiRightRange:
return parent->get_right_range();
case vpiParent:
return dynamic_cast<vpiHandle>(parent);
case vpiScope:
return parent->get_scope();
case vpiModule:
return vpip_module(parent->get_scope());
}
return 0;
}
void __vpiArrayWord::as_index_t::vpi_get_value(p_vpi_value vp)
{
struct __vpiArrayWord*obj = array_var_index_from_handle(this);
assert(obj);
unsigned index = obj->get_index();
assert(vp->format == vpiIntVal);
vp->value.integer = index;
}
struct __vpiArrayWord*array_var_word_from_handle(vpiHandle ref)
{
if (ref == 0)
return 0;
__vpiArrayWord::as_word_t*ptr = dynamic_cast<__vpiArrayWord::as_word_t*> (ref);
if (ptr == 0)
return 0;
return (struct __vpiArrayWord*) ref;
}
struct __vpiArrayWord* array_var_index_from_handle(vpiHandle ref)
{
if (ref == 0)
return 0;
__vpiArrayWord::as_index_t*ptr = dynamic_cast<__vpiArrayWord::as_index_t*> (ref);
if (ptr == 0)
return 0;
assert(sizeof(__vpiHandle) == sizeof(__vpiArrayWord::as_index_t));
assert(sizeof(__vpiHandle) == sizeof(__vpiArrayWord::as_word_t));
return (struct __vpiArrayWord*) (ref-1);
}
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