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30 lines
609 B
Scheme
30 lines
609 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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;; TODO: define repl iteration, and wrap in an exception handler
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(define (repl:next-line)
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(with-exception-handler
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(lambda (obj)
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(write (list 'an-error-occurred obj)))
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(lambda ()
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(repl))))
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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 #f))))
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(repl:next-line)
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