59 lines
1.5 KiB
Racket
59 lines
1.5 KiB
Racket
#lang minimart
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(require (only-in racket/port read-line-evt))
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(require "../drivers/timer.rkt")
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(define (r e s)
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(match e
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[(message body _ _) (transition s (send `(print got ,body) #:meta-level 1))]
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[_ #f]))
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(define (b e n)
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(match e
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[#f (if (< n 10)
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(transition (+ n 1) (send `(hello ,n)))
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#f)]
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[_ #f]))
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(spawn-world (spawn r (void) (sub ?))
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(spawn b 0))
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(define (echoer e s)
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(match e
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[(message (event _ (list (? eof-object?))) _ _) (transition s (quit))]
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[(message (event _ (list line)) _ _) (transition s (send `(print got-line ,line)))]
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[_ #f]))
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(spawn echoer (void) (sub (event (read-line-evt (current-input-port) 'any) ?)
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#:meta-level 1))
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(define (ticker e s)
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(match e
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[(routing-update g)
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(printf "EMPTY? ~v\n" (gestalt-empty? g))
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(printf "REF:")
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(pretty-print-matcher (gestalt-ref g 0 0 #f) #:indent 4)
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(printf "INTERSECTED:\n")
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(pretty-print-gestalt (gestalt-filter g (pub (set-timer ? ? ?) #:level 1)))
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#f]
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[(message (timer-expired 'tick now) _ _)
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(printf "TICK ~v\n" now)
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(transition (+ s 1) (if (< s 3)
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(send (set-timer 'tick 1000 'relative))
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(quit)))]
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[_ #f]))
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(spawn-timer-driver)
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(send (set-timer 'tick 1000 'relative))
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(spawn ticker 1 (gestalt-union (pub (set-timer ? ? ?) #:level 1)
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(sub (timer-expired 'tick ?))))
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(define (printer e s)
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(match e
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[(message (cons 'print v) _ _)
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(log-info "PRINTER: ~a" v)
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#f]
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[_ #f]))
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(spawn printer (void) (sub `(print . ,?)))
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