Generated from the example.def file:
/*
* EDIT THIS FILE WITH CAUTION (example-fsm.c)
*
* It has been AutoGen-ed Sunday February 18, 2007 at 12:18:37 PM PST
* From the definitions /home/bkorb/ag/addon/autofsm/example.def
* and the template file fsm
*
* Automated Finite State Machine
*
* Copyright (c) 2001-2006 by Bruce Korb
*
* AutoFSM is free software copyrighted by Bruce Korb.
*
* 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.
*/
#define DEFINE_FSM
#include "example-fsm.h"
#include <stdio.h>
/*
* Do not make changes to this file, except between the START/END
* comments, or it will be removed the next time it is generated.
*/
/* START === USER HEADERS === DO NOT CHANGE THIS COMMENT */
/* END === USER HEADERS === DO NOT CHANGE THIS COMMENT */
#ifndef NULL
# define NULL 0
#endif
/*
* Enumeration of the valid transition types
* Some transition types may be common to several transitions.
*/
typedef enum {
EX_TR_DASH_COMMA,
EX_TR_DASH_EOL,
EX_TR_DASH_NUM,
EX_TR_INIT_BANG,
EX_TR_INIT_DASH,
EX_TR_INIT_NUM,
EX_TR_INVALID,
EX_TR_LONUM_COMMA,
EX_TR_LONUM_DASH,
EX_TR_LONUM_EOL,
EX_TR_NOOP
} te_ex_trans;
#define EX_TRANSITION_CT 11
/*
* the state transition handling map
* This table maps the state enumeration + 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 ex_transition t_ex_transition;
struct ex_transition {
te_ex_state next_state;
te_ex_trans transition;
};
static const t_ex_transition
ex_trans_table[ EX_STATE_CT ][ EX_EVENT_CT ] = {
/* STATE 0: EX_ST_INIT */
{ { EX_ST_INVALID, EX_TR_INVALID }, /* EVT: , */
{ EX_ST_LONUM, EX_TR_INIT_NUM }, /* EVT: num */
{ EX_ST_DASH, EX_TR_INIT_DASH }, /* EVT: - */
{ EX_ST_INIT, EX_TR_INIT_BANG }, /* EVT: ! */
{ EX_ST_INVALID, EX_TR_INVALID } /* EVT: End-Of-Line */
},
/* STATE 1: EX_ST_LONUM */
{ { EX_ST_INIT, EX_TR_LONUM_COMMA }, /* EVT: , */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: num */
{ EX_ST_DASH, EX_TR_LONUM_DASH }, /* EVT: - */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: ! */
{ EX_ST_DONE, EX_TR_LONUM_EOL } /* EVT: End-Of-Line */
},
/* STATE 2: EX_ST_DASH */
{ { EX_ST_INIT, EX_TR_DASH_COMMA }, /* EVT: , */
{ EX_ST_HINUM, EX_TR_DASH_NUM }, /* EVT: num */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: - */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: ! */
{ EX_ST_DONE, EX_TR_DASH_EOL } /* EVT: End-Of-Line */
},
/* STATE 3: EX_ST_HINUM */
{ { EX_ST_INIT, EX_TR_NOOP }, /* EVT: , */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: num */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: - */
{ EX_ST_INVALID, EX_TR_INVALID }, /* EVT: ! */
{ EX_ST_DONE, EX_TR_NOOP } /* EVT: End-Of-Line */
}
};
#define ExFsmErr_off 19
#define ExEvInvalid_off 75
#define ExStInit_off 83
static char const zExStrings[127] =
"** OUT-OF-RANGE **\0"
"FSM Error: in state %d (%s), event %d (%s) is invalid\n\0"
"invalid\0"
"init\0"
"lonum\0"
"dash\0"
"hinum\0"
",\0"
"num\0"
"-\0"
"!\0"
"End-Of-Line\0";
static const size_t aszExStates[4] = {
83, 88, 94, 99 };
static const size_t aszExEvents[6] = {
105, 107, 111, 113, 115, 75 };
#define EX_EVT_NAME(t) ( (((unsigned)(t)) >= 6) \
? zExStrings : zExStrings + aszExEvents[t])
#define EX_STATE_NAME(s) ( (((unsigned)(s)) >= 4) \
? zExStrings : zExStrings + aszExStates[s])
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
static int ex_invalid_transition( te_ex_state st, te_ex_event evt );
/* * * * * * * * * THE CODE STARTS HERE * * * * * * * *
*
* Print out an invalid transition message and return EXIT_FAILURE
*/
static int
ex_invalid_transition( te_ex_state st, te_ex_event evt )
{
/* START == INVALID TRANS MSG == DO NOT CHANGE THIS COMMENT */
char const * const fmt = zExStrings + ExFsmErr_off;
fprintf( stderr, fmt, st, EX_STATE_NAME(st), evt, EX_EVT_NAME(evt));
/* END == INVALID TRANS MSG == DO NOT CHANGE THIS COMMENT */
return EXIT_FAILURE;
}
/*
* Run the FSM. Will return EX_ST_DONE or EX_ST_INVALID
*/
te_ex_state
ex_run_fsm(
void* cookie )
{
te_ex_state ex_state = EX_ST_INIT;
te_ex_event trans_evt;
#ifdef DEBUG
te_ex_state firstNext;
#endif
te_ex_state nxtSt;
te_ex_trans trans;
while (ex_state < EX_ST_INVALID) {
/* START == FIND TRANSITION == DO NOT CHANGE THIS COMMENT */
trans_evt = GET_NEXT_TRANS();
/* END == FIND TRANSITION == DO NOT CHANGE THIS COMMENT */
if (trans_evt >= EX_EV_INVALID) {
nxtSt = EX_ST_INVALID;
trans = EX_TR_INVALID;
} else {
const t_ex_transition* pTT =
ex_trans_table[ ex_state ] + trans_evt;
#ifdef DEBUG
firstNext = /* next line */
#endif
nxtSt = pTT->next_state;
trans = pTT->transition;
}
#ifdef DEBUG
printf( "in state %s(%d) step %s(%d) to %s(%d)\n",
EX_STATE_NAME( ex_state ), ex_state,
EX_EVT_NAME( trans_evt ), trans_evt,
EX_STATE_NAME( nxtSt ), nxtSt );
#endif
switch (trans) {
case EX_TR_DASH_COMMA:
/* START == DASH_COMMA == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_DASH_COMMA();
/* END == DASH_COMMA == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_DASH_EOL:
/* START == DASH_EOL == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_DASH_EOL();
/* END == DASH_EOL == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_DASH_NUM:
/* START == DASH_NUM == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_DASH_NUM();
/* END == DASH_NUM == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_INIT_BANG:
/* START == INIT_BANG == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_INIT_BANG();
/* END == INIT_BANG == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_INIT_DASH:
/* START == INIT_DASH == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_INIT_DASH();
/* END == INIT_DASH == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_INIT_NUM:
/* START == INIT_NUM == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_INIT_NUM();
/* END == INIT_NUM == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_INVALID:
/* START == INVALID == DO NOT CHANGE THIS COMMENT */
exit( ex_invalid_transition( ex_state, trans_evt ));
/* END == INVALID == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_LONUM_COMMA:
/* START == LONUM_COMMA == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_LONUM_COMMA();
/* END == LONUM_COMMA == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_LONUM_DASH:
/* START == LONUM_DASH == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_LONUM_DASH();
/* END == LONUM_DASH == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_LONUM_EOL:
/* START == LONUM_EOL == DO NOT CHANGE THIS COMMENT */
nxtSt = HANDLE_LONUM_EOL();
/* END == LONUM_EOL == DO NOT CHANGE THIS COMMENT */
break;
case EX_TR_NOOP: break;
default:
/* START == BROKEN MACHINE == DO NOT CHANGE THIS COMMENT */
exit( ex_invalid_transition( ex_state, trans_evt ));
/* END == BROKEN MACHINE == DO NOT CHANGE THIS COMMENT */
}
#ifdef DEBUG
if (nxtSt != firstNext)
printf( "transition code changed destination state to %s(%d)\n",
EX_STATE_NAME( nxtSt ), nxtSt );
#endif
ex_state = nxtSt;
}
return ex_state;
}
/*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* tab-width: 4
* indent-tabs-mode: nil
* End:
* end of example-fsm.c */