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[= AutoGen5 Template -*- Mode: text -*-
h=%s-fsm.h
c=%s-fsm.c
# Time-stamp: "2011-06-03 12:10:58 bkorb"
## This file is part of AutoGen.
## Copyright (c) 1992-2012 Bruce Korb - all rights reserved
##
## AutoGen is free software: you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by the
## Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## AutoGen is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
## See the GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License along
## with this program. If not, see <http://www.gnu.org/licenses/>.
##
## NB: THIS FILE IS GPL. THE OUTPUT OF THIS FILE IS LICENSED MBSD.
(setenv "SHELL" "/bin/sh")
=]
[=
CASE (suffix) =][=
== h =][=
(define fmt "")
(define fsm-ver "0.1") =][=
INCLUDE "fsm-trans.tlib" =][=
INCLUDE "fsm-macro.tlib" =][=
INVOKE preamble
=]
/*
* This file enumerates the states and transition events for a FSM.
*
* te_[=(. pfx)=]_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_[=(. pfx)=]_event
* The transition events. These enumerate the event values used
* to select the next state from the current state.
* [=(. PFX)=]_EV_INVALID is always defined at the end.
*/
[=(make-header-guard "autofsm")=]
[=
FOR extra-header "\n" \=]
#include "[=extra-header=]"[=
ENDFOR
=]
/*
* Finite State machine States
*
* Count of non-terminal states. The generated states INVALID and DONE
* are terminal, but INIT is not :-).
*/
#define [=(. PFX)=]_STATE_CT [=(+ 1 (count "state"))=]
typedef enum {
[=
(shell (string-append
"${CLexe-columns} --spread=1 -I4 -S, -f'" PFX "_ST_%s' <<_EOF_
INIT
" (stack-up "state") "
INVALID
DONE
_EOF_" )) =]
} te_[=(. pfx)=]_state;
/*
* Finite State machine transition Events.
*
* Count of the valid transition events
*/
#define [=(. PFX)=]_EVENT_CT [=(count "event")=]
typedef enum {
[= compute-transitions =][=
(shellf "${CLexe-columns} --spread=1 -I4 -S, -f'%s_EV_%%s' <<_EOF_
%s
INVALID
_EOF_" PFX (stack-up "event") )=]
} te_[=(. pfx)=]_event;
[=
CASE method =][=
~* call|case =][=
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
# We are implementing the machine. Declare the external =][=
CASE type =][=
~* step|reent =][= make-step-proc mode = "extern " =];[=
=* loop =][= make-loop-proc mode = "extern " =];[=
* =][=
(error (string-append "invalid FSM type: ``" (get "type")
"'' must be ``looping'', ``stepping'' or ``reentrant''" ))
=][=
ESAC =][=
# End external procedure declarations
#
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
# We are *NOT* implementing the machine. Define the table =][=
== "" =][=
enumerate-transitions use_ifdef = yes =][=
=* no =][=
enumerate-transitions use_ifdef = yes =][=
* =][=
(error (sprintf
"invalid FSM method: ``%s'' must be ``callout'', ``case'' or ``none''"
(get "method"))) =][=
ESAC =]
#endif /* [=(. header-guard)=] */[=
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
# C OUTPUT BEGINS HERE
#
=][=
== c =][=
(if (~ (get "method") "(no.*){0,1}")
(out-delete) ) =][=
INVOKE preamble
=]
#define DEFINE_FSM
#include "[=(. header-file)=]"
#include <stdio.h>
[=IF (exist? "handler-file")=]
#define FSM_USER_HEADERS
#include "[= handler-file =]"
#undef FSM_USER_HEADERS[=
ELSE =]
/*
* Do not make changes to this file, except between the START/END
* comments, or it will be removed the next time it is generated.
*/
[=(extract fsm-source "/* %s === USER HEADERS === %s */")=][=
ENDIF =]
#ifndef NULL
# define NULL 0
#endif
[= CASE method =][=
=* "case" =][= enumerate-transitions =][=
=* "call" =][= callback-transitions =][=
ESAC =]
[=IF (=* (get "type") "step")=]
/*
* The FSM machine state
*/
static te_[=(. pfx)=]_state [=(. pfx)=]_state = [=(. PFX)=]_ST_INIT;
[=ENDIF=]
[= emit-invalid-msg =][=
IF (=* (get "method") "call") =][=
IF (exist? "handler-file") =]
#define FSM_HANDLER_CODE
#include "[= handler-file =]"
#undef FSM_HANDLER_CODE
[=
ELSE =][=
INVOKE callbacks =][=
ENDIF =][=
ELSE =][=
ENDIF =][=
CASE type =][=
=* loop =][= looping-machine =][=
~* step|reent =][= stepping-machine =][=
ESAC =][=
ESAC (suffix)
=]
/*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* end of [= (out-name) ;; agen5/fsm.tpl =] */
|
