v6.3-exception
Matthew Butterick 6 years ago
parent 9d4292ac85
commit b4588a7767

@ -67,13 +67,12 @@
(define-macro block #'begin) (define-macro block #'begin)
(provide (rename-out [my-if if])) (provide (rename-out [my-if if]))
(define-macro-cases my-if (define-macro (my-if COND TBLOCK FBLOCK)
[(_ COND TBLOCK) #'(when COND TRUE-BLOCK)] #'(if COND (let () TBLOCK) (let () FBLOCK)))
[(_ COND TBLOCK FBLOCK) #'(if COND (let () TBLOCK) (let () FBLOCK))])
(define (read-syntax src ip) (define (read-syntax src ip)
(define parse-tree (parse (λ () (lex ip)))) (define parse-tree (parse (λ () (lex ip))))
(strip-context (strip-context
(with-syntax ([PT parse-tree]) (with-syntax ([PT parse-tree])
#'(module _ pythonesque-demo #'(module pyname pythonesque-demo
PT)))) PT))))
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