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26 lines
707 B
Racket
26 lines
707 B
Racket
#lang br/quicklang
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(require "main.rkt")
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(provide (all-from-out "main.rkt"))
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(module+ reader
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(provide read-syntax))
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(define (read-syntax path port)
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(define wire-datums
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(for/list ([wire-str (in-lines port)])
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(format-datum '(wire ~a) wire-str)))
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(strip-bindings
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#`(module wires-mod wires-demo/with-promises
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#,@wire-datums)))
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(define-macro-cases wire
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[(wire ARG -> WIRE)
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#'(begin
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(define WIRE (delay ARG))
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(module+ main
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(displayln (format "promise ~a: ~a" 'WIRE (force WIRE)))))]
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[(wire OP ARG -> WIRE) #'(wire (OP (force ARG)) -> WIRE)]
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[(wire ARG1 OP ARG2 -> WIRE) #'(wire (OP (force ARG1) (force ARG2)) -> WIRE)]
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[else #'(void)])
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(provide wire)
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