QP/C++
qfsm_dis.cpp
Go to the documentation of this file.
00001 
00002 // Product: QEP/C++
00003 // Last Updated for Version: 4.3.00
00004 // Date of the Last Update:  Nov 01, 2011
00005 //
00006 //                    Q u a n t u m     L e a P s
00007 //                    ---------------------------
00008 //                    innovating embedded systems
00009 //
00010 // Copyright (C) 2002-2011 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
00028 #include "qep_pkg.h"
00029 
00033 
00034 #ifdef Q_USE_NAMESPACE
00035 namespace QP {
00036 #endif
00037 
00038 //............................................................................
00039 void QFsm::dispatch(QEvent const *e) {
00040     QStateHandler s = m_state;
00041     QS_CRIT_STAT_
00042     QState r = (*s)(this, e);                        // call the event handler
00043 
00044     if (r == Q_RET_TRAN) {                                // transition taken?
00045 
00046         QS_BEGIN_(QS_QEP_TRAN, QS::smObj_, this)
00047             QS_TIME_();                                          // time stamp
00048             QS_SIG_(e->sig);                        // the signal of the event
00049             QS_OBJ_(this);                        // this state machine object
00050             QS_FUN_(s);                        // the source of the transition
00051             QS_FUN_(m_state);                          // the new active state
00052         QS_END_()
00053 
00054         (void)QEP_TRIG_(s, Q_EXIT_SIG);                     // exit the source
00055         (void)QEP_TRIG_(m_state, Q_ENTRY_SIG);             // enter the target
00056     }
00057     else {
00058 #ifdef Q_SPY
00059         if (r == Q_RET_HANDLED) {
00060 
00061             QS_BEGIN_(QS_QEP_INTERN_TRAN, QS::smObj_, this)
00062                 QS_TIME_();                                      // time stamp
00063                 QS_SIG_(e->sig);                    // the signal of the event
00064                 QS_OBJ_(this);                    // this state machine object
00065                 QS_FUN_(s);                // the state that handled the event
00066             QS_END_()
00067 
00068         }
00069         else {
00070 
00071             QS_BEGIN_(QS_QEP_IGNORED, QS::smObj_, this)
00072                 QS_TIME_();                                      // time stamp
00073                 QS_SIG_(e->sig);                    // the signal of the event
00074                 QS_OBJ_(this);                    // this state machine object
00075                 QS_FUN_(m_state);                         // the current state
00076             QS_END_()
00077 
00078         }
00079 #endif
00080     }
00081 }
00082 
00083 #ifdef Q_USE_NAMESPACE
00084 }                                                              // namespace QP
00085 #endif