//////////////////////////////////////////////////////////////////////////////
// Product: Calculator Example with inheritance of the whole state model
// Last Updated for Version: 4.5.00
// Date of the Last Update:  May 20, 2012
//
//                    Q u a n t u m     L e a P s
//                    ---------------------------
//                    innovating embedded systems
//
// Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
//
// This program is open source software: you can redistribute it and/or
// modify it 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.
//
// Alternatively, this program may be distributed and modified under the
// terms of Quantum Leaps commercial licenses, which expressly supersede
// the GNU General Public License and are specifically designed for
// licensees interested in retaining the proprietary status of their code.
//
// 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, see <http://www.gnu.org/licenses/>.
//
// Contact information:
// Quantum Leaps Web sites: http://www.quantum-leaps.com
//                          http://www.state-machine.com
// e-mail:                  info@quantum-leaps.com
//////////////////////////////////////////////////////////////////////////////
#include "qp_port.h"
#include "bsp.h"                                      // board support package
#include "calc2.h"

#include <stdlib.h>

Q_DEFINE_THIS_FILE

// state variables -----------------------------------------------------------
QStateHandler Calc2::state_operand2  = (QStateHandler)&Calc2::operand2;

// Ctor definition -----------------------------------------------------------
Calc2::Calc2(void) : Calc1() {
                                         // subsitute all overridden states...
    Calc1::state_operand2 = state_operand2;
}
//............................................................................
QState Calc2::operand2(Calc2 *me, QEvt const *e) {
    switch (e->sig) {
        case PERCENT_SIG: {
            double operand2 = BSP_get_value();
            switch (me->m_operator) {
                case KEY_PLUS:
                case KEY_MINUS: {
                    operand2 = me->m_operand1 * operand2 / 100.0;
                    break;
                }
                case KEY_MULT:
                case KEY_DIVIDE: {
                    operand2 /= 100.0;
                    break;
                }
                default: {
                    Q_ERROR();
                    break;
                }
            }
            if (BSP_eval(me->m_operand1, me->m_operator, operand2)) {
                return Q_TRAN(state_result);
            }
            else {
                return Q_TRAN(state_error);
            }
        }
    }
    return Q_SUPER(&Calc1::operand2);         // let Calc1 handle other events
}