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27 lines
835 B
Racket
27 lines
835 B
Racket
#lang br/quicklang
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(provide read-syntax
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(rename-out [stacker-module-begin #%module-begin])
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+ *)
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(define (read-syntax src-path in-port)
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(define args (port->list read in-port))
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(define module-datum `(module stacker2-mod br/demo/stacker2
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,@args))
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(datum->syntax #f module-datum))
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(define-macro (stacker-module-begin ARG ...)
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#'(#%module-begin
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(define stack-result
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(for/fold ([stack empty])
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([arg (in-list (list ARG ...))])
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(push arg stack)))
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(display (first stack-result))))
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(define (push arg stack)
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(if (number? arg)
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(cons arg stack)
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(cons (arg (first stack) (second stack)) (drop stack 2))))
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(module+ test
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(require rackunit)
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(check-equal? (with-output-to-string (λ () (dynamic-require "stacker2-test.rkt" #f))) "36")) |