39 lines
990 B
Racket
39 lines
990 B
Racket
#lang racket
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(provide configure)
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;;;
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;;; This file configures the repl in DrRacket/racket,
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;;; when the bracket language is used.
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;;;
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(require bracket/lang/reader
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bracket/unparse)
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(define (configure data)
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(current-read-interaction read0)
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#;(define old-eval (current-eval))
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#;(current-eval (λ (form) (displayln (list 'eval: form))
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(define val (old-eval form))
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(displayln (list 'eval-result: val))
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val))
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(define old-print (current-print))
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#;(current-print (λ (val) (displayln (list 'print: val)) (old-print val)))
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(current-print
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(λ (val)
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(unless (void? val)
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(displayln (unparse val)))))
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)
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(define (read0 src ip)
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;(displayln (list 'read0 src ip))
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(define expr (read-expression-syntax src ip))
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(current-read-interaction read1)
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;(displayln (list 'read0 expr))
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expr)
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(define (read1 src ip)
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;(displayln (list 'read1 src ip))
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(current-read-interaction read0)
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eof)
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