/****************************************************************************** Product:  QCalc/C example, DOS, Turbo C++ 1.01, Large model* Last Updated for Version:  3.1.00* Date of the Last Update:   Sep 19, 2005** Copyright (C) 2002-2005 Quantum Leaps, LLC. All rights reserved.** This example is part of the Quantum Leaps QP/C software, and may be* distributed and modified under the terms of the GNU General Public License* version 2 (GPL) as published by the Free Software Foundation and appearing* in the file GPL.TXT included in the packaging of this file. Please note* that GPL Section 2[b] requires that all works based on this software must* also be made publicly available under the terms of the GPL ("Copyleft").** Alternatively, this software may be distributed and modified in conjunction* with a valid QP/C Quantum Leaps commercial license. Quantum Leaps* commercial licenses are designed for users who want to retain proprietary* status of their code. The users who license this software under one of* Quantum Leaps commercial licenses do not use this software under the GPL* and therefore are not subject to any of its terms.** Contact information:* Quantum Leaps Web site:  http://www.quantum-leaps.com* Quantum Leaps licensing: http://www.quantum-leaps.com/licensing* Quantum Leaps products:  http://www.quantum-leaps.com/products* e-mail:                  sales@quantum-leaps.com*****************************************************************************/#ifndef qcalc_h#define qcalc_henum QCalcSignals {    C_SIG = Q_USER_SIG,    CE_SIG,    DIGIT_0_SIG,    DIGIT_1_9_SIG,    POINT_SIG,    OPER_SIG,    EQUALS_SIG,    TERMINATE_SIG,    IGNORE_SIG,    MAX_SIG};typedef struct QCalcEvtTag QCalcEvt;struct QCalcEvtTag {    QEvent super_;                                  /* inhetits from QEvent */    uint8_t keyId;                               /* ID of the key depressed */};#define DISP_WIDTH  14typedef struct QCalcTag QCalc;struct QCalcTag {    QHsm super_;                                       /* derives from QHsm */    double operand1_;    double operand2_;    char display_[DISP_WIDTH + 1];    uint8_t len_;    uint8_t opKey_;};/* public methods: */void QCalc_ctor(QCalc *me);char const *QCalc_getDisplay(QCalc const *me);/* protected state machine methods: */void QCalc_initial(QCalc *me, QEvent const *e);QSTATE QCalc_on(QCalc *me, QEvent const *e);QSTATE QCalc_error(QCalc *me, QEvent const *e);QSTATE QCalc_ready(QCalc *me, QEvent const *e);QSTATE QCalc_result(QCalc *me, QEvent const *e);QSTATE QCalc_begin(QCalc *me, QEvent const *e);QSTATE QCalc_negated1(QCalc *me, QEvent const *e);QSTATE QCalc_operand1(QCalc *me, QEvent const *e);QSTATE QCalc_zero1(QCalc *me, QEvent const *e);QSTATE QCalc_int1(QCalc *me, QEvent const *e);QSTATE QCalc_frac1(QCalc *me, QEvent const *e);QSTATE QCalc_opEntered(QCalc *me, QEvent const *e);QSTATE QCalc_negated2(QCalc *me, QEvent const *e);QSTATE QCalc_operand2(QCalc *me, QEvent const *e);QSTATE QCalc_zero2(QCalc *me, QEvent const *e);QSTATE QCalc_int2(QCalc *me, QEvent const *e);QSTATE QCalc_frac2(QCalc *me, QEvent const *e);/* protected methods: */void QCalc_clear_(QCalc *me);void QCalc_insert_(QCalc *me, int keyId);void QCalc_negate_(QCalc *me);int QCalc_eval_(QCalc *me);/* platform-dependent callback functions to update the state and exit */void QCalc_updateState(QCalc *me, char const *s);void QCalc_exit(QCalc *me);#endif                                                           /* qcalc_h */