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40 lines
815 B
Scheme
40 lines
815 B
Scheme
;; Cyclone Scheme
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;; Copyright (c) 2014, Justin Ethier
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;; All rights reserved.
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;;
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;; This module contains a simple Read-Eval-Print Loop
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;;
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(cond-expand
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(cyclone
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(display *Cyc-version-banner*))
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(else #f))
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(define (repl:next-line)
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(call/cc
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(lambda (k)
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(with-exception-handler
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(lambda (obj)
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(display "Error: ")
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(for-each
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(lambda (o)
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(display o)
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(display " "))
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obj)
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(display "\n")
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(k #t))
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(lambda ()
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(repl)))))
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(repl:next-line))
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(define (repl)
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(display "cyclone> ")
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(let ((c (eval (read))))
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(cond
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((not (eof-object? c))
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(write c)
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(repl:next-line))
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(else
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(exit 0) ;; TODO: crashes on this branch... WTF?
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))))
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(repl:next-line)
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