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1;ELC\1c\0\0\0
2;;; Compiled
3;;; in Emacs version 28.2
4;;; with all optimizations.
5
6
7
8(require 'cl-lib)
9#@78 *Name of buffer for fsm debug messages.
10If nil, don't output debug messages.\1f
11(defvar fsm-debug "*fsm-debug*" (#$ . -102))
12#@144 *Timestamp format (a string) for `fsm-debug-output'.
13Default format is whatever `current-time-string' returns
14followed by a colon and a space.\1f
15(defvar fsm-debug-timestamp-format nil (#$ . -231))
16#@130 Append debug output to buffer named by the variable `fsm-debug'.
17FORMAT and ARGS are passed to `format'.
18
19(fn FORMAT &rest ARGS)\1f
20(defalias 'fsm-debug-output #[385 "\b\205%\0r\302\b!q\210\212db\210 \203\18\0\303 !\202\1c\0\304 \305P\306\307\ 4\ 4#\310\261\ 3*\207" [fsm-debug fsm-debug-timestamp-format get-buffer-create format-time-string current-time-string ": " apply format "\n"] 7 (#$ . 433)])
21#@824 Define a state machine class called NAME.
22A function called start-NAME is created, which uses the argument
23list and body specified in the :start argument. BODY should
24return a list of the form (STATE STATE-DATA [TIMEOUT]), where
25STATE is the initial state (defined by `define-state'),
26STATE-DATA is any object, and TIMEOUT is the number of seconds
27before a :timeout event will be sent to the state machine. BODY
28may refer to the instance being created through the dynamically
29bound variable `fsm'.
30
31SLEEP-FUNCTION, if provided, takes one argument, the number of
32seconds to sleep while allowing events concerning this state
33machine to happen. There is probably no reason to change the
34default, which is accept-process-output with rearranged
35arguments.
36
37(fn NAME :start ((ARG ...) DOCSTRING BODY) [:sleep SLEEP-FUNCTION])\1f
38(defalias 'define-state-machine '(macro . #[385 "\300\ 1\301\"A@\300\ 2\302\"A@\ 2\211\2037\0\211@\303>\203 \0\211AA\262\ 1\202\r\0\304\ 4>A@\203.\0\305\262\ 1\202\r\0\306\307\ 2@\"\210\202\r\0\210\310\311\312\ 6\ 6\"!\305\ 3\211A\203O\0\ 4\211A\262\ 2\242\202V\0\313\314\315\ 3GD\"\ 1\211A\262\ 3\242\ 2@:\203s\0\ 2@@\316=\203s\0\ 2\211A\262\ 4\242C\262\ 4\211;\204|\0\306\317!\210\320\321\322\ 6\vD\323BB\321\322\ 6\fD\324BB\325\ 6\b\ 6\ 6\ 6\ 6\326\ 6\v\327\330\322\ 6\14DE\331\332\333\334\335\336\ 6\18!\337BBBDDC\340\341\320\ 6\11B\321\332\342\322\ 6\eDF\343\344\321\332\302\ 6\1a\206\307\0\345F\346BBBBBBBED\"BBBBF\207" [plist-member :start :sleep (:start :sleep :allow-other-keys) :allow-other-keys nil error "Keyword argument %s not one of (:start :sleep)" intern format "start-%s" signal wrong-number-of-arguments (arglist docstring &body body) interactive "Docstring is not a string" progn put quote (:fsm-enter (make-hash-table :size 11 :test 'eq)) (:fsm-event (make-hash-table :size 11 :test 'eq)) defun append fsm-debug-output "Starting %s" let fsm cl-gensym concat "fsm-" symbol-name ("-") cl-destructuring-bind (state state-data &optional timeout) :name (put fsm :state nil) (put fsm :state-data nil) (lambda (secs) (accept-process-output nil secs)) ((put fsm :deferred nil) (fsm-update fsm state state-data timeout) fsm)] 31 (#$ . 823)]))
39(put 'define-state-machine 'edebug-form-spec '(&define name :name start &rest &or [":start" (lambda-list [&optional ("interactive" interactive)] stringp def-body)] [":sleep" function-form]))
40#@1092 Define a state called STATE-NAME in the state machine FSM-NAME.
41ARGLIST and BODY make a function that gets called when the state
42machine receives an event in this state. The arguments are:
43
44FSM the state machine instance (treat it as opaque)
45STATE-DATA An object
46EVENT The occurred event, an object.
47CALLBACK A function of one argument that expects the response
48 to this event, if any (often `ignore' is used)
49
50If the event should return a response, the state machine should
51arrange to call CALLBACK at some point in the future (not necessarily
52in this handler).
53
54The function should return a list of the form (NEW-STATE
55NEW-STATE-DATA TIMEOUT):
56
57NEW-STATE The next state, a symbol
58NEW-STATE-DATA An object
59TIMEOUT A number: send timeout event after this many seconds
60 nil: cancel existing timer
61 :keep: let existing timer continue
62
63Alternatively, the function may return the keyword :defer, in
64which case the event will be resent when the state machine enters
65another state.
66
67(fn FSM-NAME STATE-NAME ARGLIST &body BODY)\1f
68(defalias 'define-state '(macro . #[899 "\300\301\302\ 5D\303\302\ 6\bD\304BBE\305\ 4\ 4BBE\207" [setf gethash quote get (:fsm-event) lambda] 10 (#$ . 3107)]))
69(put 'define-state 'edebug-form-spec '(&define name name :name handler lambda-list def-body))
70#@569 Define a function to call when FSM-NAME enters the state STATE-NAME.
71ARGLIST and BODY make a function that gets called when the state
72machine enters this state. The arguments are:
73
74FSM the state machine instance (treat it as opaque)
75STATE-DATA An object
76
77The function should return a list of the form (NEW-STATE-DATA
78TIMEOUT):
79
80NEW-STATE-DATA An object
81TIMEOUT A number: send timeout event after this many seconds
82 nil: cancel existing timer
83 :keep: let existing timer continue
84
85(fn FSM-NAME STATE-NAME ARGLIST &body BODY)\1f
86(defalias 'define-enter-state '(macro . #[899 "\300\301\302\ 5D\303\302\ 6\bD\304BBE\305\ 4\ 4BBE\207" [setf gethash quote get (:fsm-enter) lambda] 10 (#$ . 4450)]))
87(put 'define-enter-state 'edebug-form-spec '(&define name name :name enter lambda-list def-body))
88#@847 Define a state machine class called NAME, along with its STATES.
89This macro is (further) syntatic sugar for `define-state-machine',
90`define-state' and `define-enter-state' macros, q.v.
91
92NAME is a symbol. Everything else is specified with a keyword arg.
93
94START and SLEEP are the same as for `define-state-machine'.
95
96STATES is a list, each element having the form (STATE-NAME . STATE-SPEC).
97STATE-NAME is a symbol. STATE-SPEC is an alist with keys `:event' or
98`:enter', and values a series of expressions representing the BODY of
99a `define-state' or `define-enter-state' call, respectively.
100
101FSM-NAME, STATE-DATA-NAME, CALLBACK-NAME, and EVENT-NAME are symbols,
102used to construct the state functions' arglists.
103
104(fn NAME &key START SLEEP STATES (FSM-NAME \='fsm) (STATE-DATA-NAME \='state-data) (CALLBACK-NAME \='callback) (EVENT-NAME \='event))\1f
105(defalias 'define-fsm '(macro . #[385 "\300\ 1\301\"A@\300\ 2\302\"A@\300\ 3\303\"A@\300\ 4\304\"\206\1a\0\305A@\300\ 5\306\"\206$\0\307A@\300\ 6\ 6\310\"\206/\0\311A@\300\ 6\a\312\"\206:\0\313A@\ 6\a\211\203i\0\211@\314>\203Q\0\211AA\262\ 1\202>\0\315\ 6 >A@\203`\0\316\262\ 1\202>\0\317\320\ 2@\"\210\202>\0\210\321\322\ 6\n\301\ 6\n\302\ 6\v\257\ 6\ 6\ 6\316\211\211\ 3:\203\315\0\ 3@\262\ 3\ 2\211A\262\ 4\242\262\ 2\323\ 3\236\211\203\246\0\324\ 6\10\ 4\ 6\r\ 6\rD\ 4ABBBB\ 2B\262\ 2\210\325\ 3\236\211\203\305\0\326\ 6\10\ 4\ 6\r\ 6\r\ 6\f\ 6\ eF\ 4ABBBB\ 2B\262\ 2\210\ 3A\262\ 4\202{\0\211\237\266\204BB\207" [plist-member :start :sleep :states :fsm-name (nil fsm) :state-data-name (nil state-data) :callback-name (nil callback) :event-name (nil event) (:start :sleep :states :fsm-name :state-data-name :callback-name :event-name :allow-other-keys) :allow-other-keys nil error "Keyword argument %s not one of (:start :sleep :states :fsm-name :state-data-name :callback-name :event-name)" progn define-state-machine :enter define-enter-state :event define-state] 23 (#$ . 5280)]))
106#@247 Unbind functions related to fsm NAME (a symbol).
107Includes start-NAME, and each fsm-NAME-STATE and fsm-NAME-enter-STATE.
108Functions are `fmakunbound', which will probably give (fatal) pause to
109any state machines using them. Return nil.
110
111(fn NAME)\1f
112(defalias 'fsm-goodbye-cruel-world #[257 "\300\301\302\303\ 4\"!!\210\304\305\ 2\306N\211\262\ 3!\203\1e\0\307\ 1!\210\310\ 2\306\"\210\305\ 2\311N\211\262\ 3!\2032\0\307\ 1!\210\310\ 2\311\"\210\210\304\207" [fmakunbound intern format "start-%s" nil hash-table-p :fsm-event clrhash cl-remprop :fsm-enter] 6 (#$ . 7102) "SUnbind function definitions for fsm named: "])
113#@178 Send a timeout event to FSM after SECS seconds.
114The timer is canceled if another event occurs before, unless the
115event handler explicitly asks to keep the timer.
116
117(fn FSM SECS)\1f
118(defalias 'fsm-start-timer #[514 "\300\ 2!\210\301\ 2\302\303\ 4\304\305\ 6\b\302%#\207" [fsm-stop-timer put :timeout run-with-timer nil fsm-send-sync] 11 (#$ . 7702)])
119#@42 Stop the timeout timer of FSM.
120
121(fn FSM)\1f
122(defalias 'fsm-stop-timer #[257 "\211\300N\301\ 1!\205\12\0\302\ 1!\210\303\ 2\300\304#\207" [:timeout timerp cancel-timer put nil] 6 (#$ . 8045)])
123#@65 Change the timer of FSM according to TIMEOUT.
124
125(fn FSM TIMEOUT)\1f
126(defalias 'fsm-maybe-change-timer #[514 "\211\247\203\n\0\300\ 2\ 2\"\207\211?\205\12\0\301\ 2!\207" [fsm-start-timer fsm-stop-timer] 5 (#$ . 8231)])
127#@174 Send EVENT to FSM asynchronously.
128If the state machine generates a response, eventually call
129CALLBACK with the response as only argument.
130
131(fn FSM EVENT &optional CALLBACK)\1f
132(defalias 'fsm-send #[770 "\300\301\302\303\ 6\ 6\ 6\ 6\ 6\ 6&\ 6\207" [run-with-timer 0 nil fsm-send-sync] 10 (#$ . 8442)])
133#@99 Update FSM with NEW-STATE, NEW-STATE-DATA and TIMEOUT.
134
135(fn FSM NEW-STATE NEW-STATE-DATA TIMEOUT)\1f
136(defalias 'fsm-update #[1028 "\ 3\300N\ 4\301N\302\ 6\ 6\301\ 6\a#\210\302\ 6\ 6\303\ 6\ 6#\210\304\ 6\ 6\ 4\"\210\211\ 5=?\205\242\0\305\306\ 3\ 6\a#\210\307\ 5\ 3\310N\"\311\ 1!\203}\0\305\312\ 4\ 6\b#\210\3131t\0\211\ 6\a\ 6\ 6\"\211G\314U\203W\0\211\ 1A\262\ 2\242\202^\0\315\316\317\ 3GD\"\ 1\242\302\ 6\n\303\ 4#\210\304\ 6\n\ 2\"\266\2030\266\ 2\202~\0\305\320\ 5\ 6 \ 4$\266\ 2\210\ 5\321N\237\302\ 6\a\321\322#\210\211\211\205\236\0\211@\323\324\ 6\n\ 3#\210\ 1A\266\202\202\212\0\262\ 1\262\ 1\207" [:name :state put :state-data fsm-maybe-change-timer fsm-debug-output "%s enters %s" gethash :fsm-enter functionp "Found enter function for %s/%s" (debug error) 2 signal wrong-number-of-arguments (newer-state-data newer-timeout) "%s/%s update didn't work: %S" :deferred nil apply fsm-send-sync] 14 (#$ . 8732)])
137#@173 Send EVENT to FSM synchronously.
138If the state machine generates a response, eventually call
139CALLBACK with the response as only argument.
140
141(fn FSM EVENT &optional CALLBACK)\1f
142(defalias 'fsm-send-sync #[770 "\300 \301\302\ 2\"\216\ 3\303N\ 4\304N\ 5\305N\306\ 2\ 4\307N\"\310\311\ 6\b\242\206 \0\ 6\b\ 6\ 6\ 6\ 6$\210\3121;\0\211\ 6\b\ 3\ 6 \ 6 \2066\0\313$0\202@\0\314\ 1B\262\ 1\211\315\267\202g\0\ 6\b\316N\317\ 6\n\316\ 6\v\ 6\vD\ 4B#\262\ 1\202\324\0\310\320\ 6 \ 6\a\ 6\a$\202\324\0\211\242\314=\203|\0\310\321\ 6\ 6\ 6\ 6\322\ 5A!$\202\324\0\211<\203\314\0\323\ 1GX\203\314\0\211G\324X\203\314\0\211\ 1A\203\236\0\ 1\211A\262\ 2\242\202\245\0\325\326\327\ 3GD\"\ 1\211A\262\ 3\242\ 2\211A\262\ 4\242\ 3\203\300\0\325\326\327\324\ 6\aG\\D\"\210\330\ 6\r\ 4\ 4\ 4$\266\204\202\324\0\310\331\ 6\ 6\ 6\ 6\ 4$\262\ 1\266\204)\207" [match-data make-closure #[0 "\301\300\302\"\207" [V0 set-match-data evaporate] 3] :name :state :state-data gethash :fsm-event fsm-debug-output "Sent %S to %s in state %s" (debug error) ignore :error-signaled #s(hash-table size 2 test eq rehash-size 1.5 rehash-threshold 0.8125 purecopy t data (:defer 70 nil 91)) :deferred put "Warning: event %S ignored in state %s/%s" "Error in %s/%s: %s" error-message-string 2 3 signal wrong-number-of-arguments (new-state new-state-data &optional timeout) fsm-update "Incorrect return value in %s/%s: %S"] 18 (#$ . 9559)])
143#@123 Send EVENT to FSM synchronously, and wait for a reply.
144Return the reply. `with-timeout' might be useful.
145
146(fn FSM EVENT)\1f
147(defalias 'fsm-call #[514 "\300C\301\ 3\ 3\302\303\ 5\"#\210\211\242\204\18\0\304\ 3\305\"\210\202\v\0\211\242@\207" [nil fsm-send-sync make-closure #[257 "\300\ 1C\240\207" [V0] 3 "\n\n(fn R)"] fsm-sleep 1] 9 (#$ . 10825)])
148#@116 Return a filter function that sends events to FSM.
149Events sent are of the form (:filter PROCESS STRING).
150
151(fn FSM)\1f
152(defalias 'fsm-make-filter #[257 "\211\300\301\ 2\"\207" [make-closure #[514 "\301\300\302\ 4\ 4E\"\207" [V0 fsm-send-sync :filter] 7 "\n\n(fn PROCESS STRING)"]] 5 (#$ . 11164)])
153#@120 Return a sentinel function that sends events to FSM.
154Events sent are of the form (:sentinel PROCESS STRING).
155
156(fn FSM)\1f
157(defalias 'fsm-make-sentinel #[257 "\211\300\301\ 2\"\207" [make-closure #[514 "\301\300\302\ 4\ 4E\"\207" [V0 fsm-send-sync :sentinel] 7 "\n\n(fn PROCESS STRING)"]] 5 (#$ . 11459)])
158#@80 Sleep up to SECS seconds in a way that lets FSM receive events.
159
160(fn FSM SECS)\1f
161(defalias 'fsm-sleep #[514 "\ 1\300N\ 1!\207" [:sleep] 4 (#$ . 11761)])
162#@167 Return the state data of FSM.
163Note the absence of a set function. The fsm should manage its
164state data itself; other code should just send messages to it.
165
166(fn FSM)\1f
167(defalias 'fsm-get-state-data #[257 "\211\300N\207" [:state-data] 3 (#$ . 11915)])
168(provide 'fsm)