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#lang br/quicklang
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(require "../helper.rkt")
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(provide read-syntax (rename-out [#%mb #%module-begin]))
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(define (read-syntax path port)
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(strip-context #`(module mod "main.rkt"
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#,@(port->lines port))))
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(define-macro (#%mb STARS-LINE SEXP-LINE ...)
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#`(#%module-begin
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(time (if (eq? (process-line STARS-LINE) '★)
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(score (process-line SEXP-LINE))
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(process-line SEXP-LINE #t))
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...)))
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(define (process-line line [garbage #f])
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(define gchars 0)
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(let* ([line (string-trim line)]
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[line (regexp-replace* #rx"!." line "")]
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[line (regexp-replace* #rx"<.*?>" line
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(λ (m) (set! gchars (+ gchars (string-length m) -2)) ""))]
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[line (regexp-replace* #rx"," line "")])
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(if garbage gchars (read (open-input-string line)))))
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(define (score tree [start 0])
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(+ (add1 start) (for/sum ([x (in-list tree)])
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(score x (add1 start)))))
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