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Diffstat (limited to 'agen5/pseudo-fsm.h')
| -rw-r--r-- | agen5/pseudo-fsm.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/agen5/pseudo-fsm.h b/agen5/pseudo-fsm.h new file mode 100644 index 0000000..338022f --- /dev/null +++ b/agen5/pseudo-fsm.h @@ -0,0 +1,227 @@ +/* -*- buffer-read-only: t -*- vi: set ro: + * + * DO NOT EDIT THIS FILE (pseudo-fsm.h) + * + * It has been AutoGen-ed August 11, 2012 at 09:41:36 AM by AutoGen 5.16.2pre7 + * From the definitions pseudo.def + * and the template file fsm + * + * Automated Finite State Machine + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name ``Bruce Korb'' nor the name of any other + * contributor may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * AutoFSM IS PROVIDED BY Bruce Korb ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL Bruce Korb OR ANY OTHER CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/* + * This file enumerates the states and transition events for a FSM. + * + * te_pm_state + * The available states. FSS_INIT is always defined to be zero + * and FSS_INVALID and FSS_DONE are always made the last entries. + * + * te_pm_event + * The transition events. These enumerate the event values used + * to select the next state from the current state. + * PM_EV_INVALID is always defined at the end. + */ +#ifndef AUTOFSM_PSEUDO_FSM_H_GUARD +#define AUTOFSM_PSEUDO_FSM_H_GUARD 1 + +/* + * Finite State machine States + * + * Count of non-terminal states. The generated states INVALID and DONE + * are terminal, but INIT is not :-). + */ +#define PM_STATE_CT 5 +typedef enum { + PM_ST_INIT, PM_ST_ST_MARK, PM_ST_AGEN, PM_ST_TEMPL, + PM_ST_END_MARK, PM_ST_INVALID, PM_ST_DONE +} te_pm_state; + +/* + * Finite State machine transition Events. + * + * Count of the valid transition events + */ +#define PM_EVENT_CT 7 +typedef enum { + PM_EV_ED_MODE, PM_EV_MARKER, PM_EV_END_PSEUDO, PM_EV_AUTOGEN, + PM_EV_TEMPLATE, PM_EV_SUFFIX, PM_EV_SCHEME, PM_EV_INVALID +} te_pm_event; + +/* + * Enumeration of the valid transition types + * Some transition types may be common to several transitions. + */ +typedef enum { + PM_TR_INIT_MARKER, + PM_TR_INVALID, + PM_TR_NOOP, + PM_TR_SKIP_ED_MODE, + PM_TR_TEMPL_MARKER, + PM_TR_TEMPL_SCHEME, + PM_TR_TEMPL_SUFFIX +} te_pm_trans; +#define PM_TRANSITION_CT 7 + +/** + * State transition handling map. Map the state enumeration and the event + * enumeration to the new state and the transition enumeration code (in that + * order). It is indexed by first the current state and then the event code. + */ +typedef struct pm_transition t_pm_transition; +struct pm_transition { + te_pm_state next_state; + te_pm_trans transition; +}; + +#ifndef DEFINE_FSM +extern const t_pm_transition pm_trans_table[ PM_STATE_CT ][ PM_EVENT_CT ]; + +extern int +pm_invalid_transition( te_pm_state st, te_pm_event evt ); +#else +const t_pm_transition +pm_trans_table[ PM_STATE_CT ][ PM_EVENT_CT ] = { + + /* STATE 0: PM_ST_INIT */ + { { PM_ST_INIT, PM_TR_SKIP_ED_MODE }, /* EVT: -*- */ + { PM_ST_ST_MARK, PM_TR_INIT_MARKER }, /* EVT: MARKER */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: END_PSEUDO */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: AUTOGEN */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: TEMPLATE */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: SUFFIX */ + { PM_ST_INVALID, PM_TR_INVALID } /* EVT: SCHEME */ + }, + + + /* STATE 1: PM_ST_ST_MARK */ + { { PM_ST_ST_MARK, PM_TR_SKIP_ED_MODE }, /* EVT: -*- */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: MARKER */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: END_PSEUDO */ + { PM_ST_AGEN, PM_TR_NOOP }, /* EVT: AUTOGEN */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: TEMPLATE */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: SUFFIX */ + { PM_ST_INVALID, PM_TR_INVALID } /* EVT: SCHEME */ + }, + + + /* STATE 2: PM_ST_AGEN */ + { { PM_ST_AGEN, PM_TR_SKIP_ED_MODE }, /* EVT: -*- */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: MARKER */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: END_PSEUDO */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: AUTOGEN */ + { PM_ST_TEMPL, PM_TR_NOOP }, /* EVT: TEMPLATE */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: SUFFIX */ + { PM_ST_INVALID, PM_TR_INVALID } /* EVT: SCHEME */ + }, + + + /* STATE 3: PM_ST_TEMPL */ + { { PM_ST_TEMPL, PM_TR_SKIP_ED_MODE }, /* EVT: -*- */ + { PM_ST_END_MARK, PM_TR_TEMPL_MARKER }, /* EVT: MARKER */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: END_PSEUDO */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: AUTOGEN */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: TEMPLATE */ + { PM_ST_TEMPL, PM_TR_TEMPL_SUFFIX }, /* EVT: SUFFIX */ + { PM_ST_TEMPL, PM_TR_TEMPL_SCHEME } /* EVT: SCHEME */ + }, + + + /* STATE 4: PM_ST_END_MARK */ + { { PM_ST_END_MARK, PM_TR_INVALID }, /* EVT: -*- */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: MARKER */ + { PM_ST_DONE, PM_TR_NOOP }, /* EVT: END_PSEUDO */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: AUTOGEN */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: TEMPLATE */ + { PM_ST_INVALID, PM_TR_INVALID }, /* EVT: SUFFIX */ + { PM_ST_INVALID, PM_TR_INVALID } /* EVT: SCHEME */ + } +}; +#define PmFsmErr_off 19 +#define PmEvInvalid_off 75 +#define PmStInit_off 83 + + +static char const zPmStrings[169] = +/* 0 */ "** OUT-OF-RANGE **\0" +/* 19 */ "FSM Error: in state %d (%s), event %d (%s) is invalid\n\0" +/* 75 */ "invalid\0" +/* 83 */ "init\0" +/* 88 */ "st_mark\0" +/* 96 */ "agen\0" +/* 101 */ "templ\0" +/* 107 */ "end_mark\0" +/* 116 */ "-*-\0" +/* 120 */ "marker\0" +/* 127 */ "end_pseudo\0" +/* 138 */ "autogen\0" +/* 146 */ "template\0" +/* 155 */ "suffix\0" +/* 162 */ "scheme"; + +static const size_t aszPmStates[5] = { + 83, 88, 96, 101, 107 }; + +static const size_t aszPmEvents[8] = { + 116, 120, 127, 138, 146, 155, 162, 75 }; + + +#define PM_EVT_NAME(t) ( (((unsigned)(t)) >= 8) \ + ? zPmStrings : zPmStrings + aszPmEvents[t]) + +#define PM_STATE_NAME(s) ( (((unsigned)(s)) >= 5) \ + ? zPmStrings : zPmStrings + aszPmStates[s]) + +#ifndef EXIT_FAILURE +# define EXIT_FAILURE 1 +#endif + +static int pm_invalid_transition( te_pm_state st, te_pm_event evt ); + +/* * * * * * * * * THE CODE STARTS HERE * * * * * * * * + * + * Print out an invalid transition message and return EXIT_FAILURE + */ +static int +pm_invalid_transition( te_pm_state st, te_pm_event evt ) +{ + /* START == INVALID TRANS MSG == DO NOT CHANGE THIS COMMENT */ + char const * fmt = zPmStrings + PmFsmErr_off; + fprintf( stderr, fmt, st, PM_STATE_NAME(st), evt, PM_EVT_NAME(evt)); + /* END == INVALID TRANS MSG == DO NOT CHANGE THIS COMMENT */ + + return EXIT_FAILURE; +} + +#endif /* DEFINE_FSM */ + +#endif /* AUTOFSM_PSEUDO_FSM_H_GUARD */ +/* + * Local Variables: + * mode: C + * c-file-style: "stroustrup" + * indent-tabs-mode: nil + * End: + * end of pseudo-fsm.h */ |