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47 lines
1.3 KiB
Racket
47 lines
1.3 KiB
Racket
#lang br
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(provide (all-from-out br) (all-defined-out))
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(require "expander0.rkt")
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#|
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Be your own binding procedure.
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Part parser should generate inner `define`.
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input-pin-spec parser should generate kw procedure.
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chip-name parser should generate outer define/provide form.
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(chip Not
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(x)
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(y))
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|#
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(define-for-syntax (remove-commas stx-expr)
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(filter (λ(i)
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(not (equal? "," (syntax->datum i)))) (syntax->list stx-expr)))
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(define #'(pin-spec-out "OUT" _pin-or-comma ... ";")
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(with-syntax ([(_pinid ...) (remove-commas #'(_pin-or-comma ...))])
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#'(begin
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(define _pinid '(1 2 3 4)) ...
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(list _pinid ...))))
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(define #'(make-kw-procedure (pin-spec-in "IN" _pin-or-comma ... ";") _pin-spec-out)
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(with-syntax ([(_pinid ...) (remove-commas #'(_pin-or-comma ...))])
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#'(make-keyword-procedure
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(λ (kws kw-args . rest)
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(define kw-pairs (map cons kws kw-args))
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(let ([_pinid (cdr (assq (string->keyword (format "~a" '_pinid)) kw-pairs))] ...)
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_pin-spec-out)))))
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(define #'(chip-program "CHIP" _topid "{" _pin-spec-in _pin-spec-out "}")
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#`(begin
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(provide _topid)
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(define _topid
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(make-kw-procedure _pin-spec-in _pin-spec-out)
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)
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(require rackunit)
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(check-equal? (_topid #:a 1 #:b 2 #:c 3 #:d 4) '((1 2 3 4)(1 2 3 4)(1 2 3 4))))) |