/*
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

# include  "entity.h"
# include  "expression.h"

using namespace std;

void ComponentBase::write_to_stream(ostream&fd) const
{
      fd << "  component " << name_ << " is" << endl;

      if(!parms_.empty()) {
        fd << "   generic(" << endl;

        for(vector<InterfacePort*>::const_iterator it = parms_.begin();
                it != parms_.end(); ++it) {
            const InterfacePort*parm = *it;

            if(it != parms_.begin())
                fd << ";";

            fd << "     " << parm->name << " : ";
            parm->type->write_to_stream(fd);

            if(parm->expr) {
                fd << " := ";
                parm->expr->write_to_stream(fd);
            }

            fd << endl;
        }

        fd << "   );" << endl;
      }

      if(!ports_.empty()) {
        fd << "   port(" << endl;

        vector<InterfacePort*>::const_iterator cur = ports_.begin();
        while (cur != ports_.end()) {
                InterfacePort*item = *cur;
                ++cur;

                fd << "     " << item->name << " : ";
                switch (item->mode) {
                    case PORT_NONE:
                    fd << "???? ";
                    break;
                    case PORT_IN:
                    fd << "in ";
                    break;
                    case PORT_OUT:
                    fd << "out ";
                    break;
                    case PORT_INOUT:
                    fd << "inout ";
                    break;
                }

                item->type->write_to_stream(fd);

                if (cur != ports_.end())
                    fd << ";" << endl;
                else
                    fd << endl;
        }

        fd << "   );" << endl;
      }
      fd << "  end component;" << endl;
}