mirror of
https://github.com/kanaka/mal.git
synced 2024-09-21 10:37:58 +03:00
37 lines
713 B
Scheme
37 lines
713 B
Scheme
(import (scheme base))
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(import (scheme write))
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(import (lib util))
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(import (lib reader))
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(import (lib printer))
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(import (lib types))
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(define (READ input)
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(read-str input))
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(define (EVAL ast)
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ast)
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(define (PRINT ast)
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(pr-str ast #t))
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(define (rep input)
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(PRINT (EVAL (READ input))))
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(define (main)
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(let loop ()
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(let ((input (readline "user> ")))
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(when input
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(guard
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(ex ((error-object? ex)
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(when (not (memv 'empty-input (error-object-irritants ex)))
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(display "[error] ")
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(display (error-object-message ex))
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(newline))))
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(display (rep input))
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(newline))
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(loop))))
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(newline))
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(main)
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