qfsm_ini.cpp

00001 //////////////////////////////////////////////////////////////////////////////
00002 // Product: QEP/C++
00003 // Last Updated for Version: 4.0.04
00004 // Date of the Last Update:  Apr 08, 2009
00005 //
00006 //                    Q u a n t u m     L e a P s
00007 //                    ---------------------------
00008 //                    innovating embedded systems
00009 //
00010 // Copyright (C) 2002-2009 Quantum Leaps, LLC. All rights reserved.
00011 //
00012 // This software may be distributed and modified under the terms of the GNU
00013 // General Public License version 2 (GPL) as published by the Free Software
00014 // Foundation and appearing in the file GPL.TXT included in the packaging of
00015 // this file. Please note that GPL Section 2[b] requires that all works based
00016 // on this software must also be made publicly available under the terms of
00017 // the GPL ("Copyleft").
00018 //
00019 // Alternatively, this software may be distributed and modified under the
00020 // terms of Quantum Leaps commercial licenses, which expressly supersede
00021 // the GPL and are specifically designed for licensees interested in
00022 // retaining the proprietary status of their code.
00023 //
00024 // Contact information:
00025 // Quantum Leaps Web site:  http://www.quantum-leaps.com
00026 // e-mail:                  info@quantum-leaps.com
00027 //////////////////////////////////////////////////////////////////////////////
00028 #include "qep_pkg.h"
00029 #include "qassert.h"
00030 
00031 Q_DEFINE_THIS_MODULE(qfsm_ini)
00032 
00033 /// \file
00034 /// \ingroup qep
00035 /// \brief QFsm::init() implementation.
00036 
00037 //............................................................................
00038 QFsm::~QFsm() {
00039 }
00040 //............................................................................
00041 void QFsm::init(QEvent const *e) {
00042     QS_INT_LOCK_KEY_
00043 
00044     QS_BEGIN_(QS_QEP_STATE_INIT, QS::smObj_, this)
00045         QS_OBJ_(this);                            // this state machine object
00046         QS_FUN_((QStateHandler)0);       // the source (not defined for a FSM)
00047         QS_FUN_(m_state);                      // the target of the transition
00048     QS_END_()
00049 
00050                                     // execute the top-most initial transition
00051     Q_ALLEGE((*m_state)(this, e) == Q_RET_TRAN);   // transition must be taken
00052 
00053     (void)QEP_TRIG_(m_state, Q_ENTRY_SIG);                 // enter the target
00054 
00055     QS_BEGIN_(QS_QEP_INIT_TRAN, QS::smObj_, this)
00056         QS_TIME_();                                              // time stamp
00057         QS_OBJ_(this);                            // this state machine object
00058         QS_FUN_(m_state);                              // the new active state
00059     QS_END_()
00060 }