iverilog/vhdlpp/entity_emit.cc

118 lines
3.0 KiB
C++

/*
* Copyright (c) 2011 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include "entity.h"
# include "architec.h"
# include <iostream>
# include <fstream>
# include <iomanip>
int emit_entities(void)
{
int errors = 0;
for (map<perm_string,Entity*>::iterator cur = design_entities.begin()
; cur != design_entities.end() ; ++cur) {
errors += cur->second->emit(cout);
}
return errors;
}
int Entity::emit(ostream&out)
{
int errors = 0;
const std::vector<InterfacePort*>&ports = get_ports();
out << "module " << get_name();
// If there are ports, emit them.
if (ports.size() > 0) {
out << "(";
const char*sep = 0;
for (vector<InterfacePort*>::const_iterator cur = ports.begin()
; cur != ports.end() ; ++cur) {
InterfacePort*port = *cur;
decl_t&decl = declarations_[port->name];
if (sep) out << sep;
else sep = ", ";
switch (port->mode) {
case PORT_NONE: // Should not happen
out << "NO_PORT " << port->name;
break;
case PORT_IN:
out << "input ";
if (decl.msb != decl.lsb)
out << "[" << decl.msb
<< ":" << decl.lsb << "] ";
out << port->name;
break;
case PORT_OUT:
out << "output ";
if (decl.msb != decl.lsb)
out << "[" << decl.msb
<< ":" << decl.lsb << "] ";
out << port->name;
break;
}
}
cout << ")";
}
out << ";" << endl;
for (map<perm_string,decl_t>::const_iterator cur = declarations_.begin()
; cur != declarations_.end() ; ++cur) {
switch (cur->second.type) {
case VNONE:
out << "// N type for " << cur->first << endl;
break;
case VLOGIC:
out << "wire logic ";
if (cur->second.signed_flag)
out << "signed ";
if (cur->second.msb != cur->second.lsb)
out << "[" << cur->second.msb
<< ":" << cur->second.lsb << "] ";
out << cur->first << ";" << endl;
break;
case VBOOL:
out << "wire bool ";
if (cur->second.signed_flag)
out << "signed ";
if (cur->second.msb != cur->second.lsb)
out << "[" << cur->second.msb
<< ":" << cur->second.lsb << "] ";
out << cur->first << ";" << endl;
break;
}
}
errors += bind_arch_->emit(out, this);
out << "endmodule" << endl;
return errors;
}