iverilog/elab_type.cc

107 lines
2.8 KiB
C++

/*
* Copyright (c) 2012-2013 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 "pform_types.h"
# include "netlist.h"
# include "netclass.h"
# include "netdarray.h"
# include "netscalar.h"
# include "netvector.h"
# include <typeinfo>
# include "ivl_assert.h"
using namespace std;
ivl_type_s* data_type_t::elaborate_type(Design*des, NetScope*) const
{
cerr << get_fileline() << ": internal error: "
<< "Elaborate method not implemented for " << typeid(*this).name()
<< "." << endl;
des->errors += 1;
return 0;
}
ivl_type_s* atom2_type_t::elaborate_type(Design*des, NetScope*) const
{
switch (type_code) {
case 64:
if (signed_flag)
return &netvector_t::atom2s64;
else
return &netvector_t::atom2u64;
case 32:
if (signed_flag)
return &netvector_t::atom2s32;
else
return &netvector_t::atom2u32;
case 16:
if (signed_flag)
return &netvector_t::atom2s16;
else
return &netvector_t::atom2u16;
case 8:
if (signed_flag)
return &netvector_t::atom2s8;
else
return &netvector_t::atom2u8;
default:
cerr << get_fileline() << ": internal error: "
<< "atom2_type_t type_code=" << type_code << "." << endl;
des->errors += 1;
return 0;
}
}
ivl_type_s* class_type_t::elaborate_type(Design*des, NetScope*scope) const
{
return scope->find_class(name);
}
ivl_type_s* real_type_t::elaborate_type(Design*, NetScope*) const
{
switch (type_code) {
case REAL:
return &netreal_t::type_real;
case SHORTREAL:
return &netreal_t::type_shortreal;
}
return 0;
}
ivl_type_s* string_type_t::elaborate_type(Design*, NetScope*) const
{
return &netstring_t::type_string;
}
ivl_type_s* uarray_type_t::elaborate_type(Design*des, NetScope*scope) const
{
ivl_type_t btype = base_type->elaborate_type(des, scope);
assert(dims->size() == 1);
list<pform_range_t>::const_iterator cur = dims->begin();
assert(cur->first == 0 && cur->second==0);
ivl_type_s*res = new netdarray_t(btype);
return res;
}