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23 lines
505 B
Racket
23 lines
505 B
Racket
#lang br/quicklang
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(require brag/support racket/sequence)
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(module+ reader
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(provide read-syntax))
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(define taco-lexer
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(lexer
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["(" "#"]
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[")" "$"]
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["taco" "%"]
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[any-char (taco-lexer input-port)]))
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(define (read-syntax src port)
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(define toks (for/list ([tok (in-port taco-lexer port)])
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tok))
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(define parse-tree (string-join toks ""))
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;; print result
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(strip-context
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(with-syntax ([PT parse-tree])
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#'(module untaco racket
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(display PT))))) |