32 lines
810 B
Scheme
32 lines
810 B
Scheme
;; -*- scheme -*-
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(require scribble/racket
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scribble/eval
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scriblib/footnote
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slideshow/pict
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"vm-pictures.rkt"
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"from.rkt"
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(for-syntax racket)
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(for-label typed/racket/base))
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(require (for-label (only-in marketplace/drivers/tcp-bare tcp)
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marketplace/sugar))
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;; TODO: make it display "=" instead of ":" connecting the defined
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;; type to the definition.
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(define-syntax deftype
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(lambda (stx)
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(syntax-case stx ()
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[(_ (t a ...) d desc ...)
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#`(defthing #:kind "type" t
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;; This is in column zero because scribble is overscrupulous about location preservation.
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#,(quasisyntax/loc #'d (All (a ...) d))
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desc ...)]
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[(_ t d desc ...)
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#`(defthing #:kind "type" t d desc ...)])))
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(define (vm-figure p)
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(centered (to-element (render (scale p 1.2) #:target 'pict))))
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