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58 lines
1.3 KiB
Scheme
58 lines
1.3 KiB
Scheme
(define debug-on? (lambda (type) #f))
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(define debug-on? (lambda (type) #t))
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(define debug-on?
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(lambda (type)
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(case type
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[(2d-vector%) #f]
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[(engine) #t]
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[(graph) #f]
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[(main) #t]
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[(mesh%) #t]
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[(pager%) #t]
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[else #t])))
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(defmacro debug-print (type . args)
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(if (debug-on? type)
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`(begin
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(display (quote ,type))
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(display ": ")
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(debug-print-function ,@args))
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'(void)))
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(define debug-print-function
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(letrec ([debug-print-one
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(lambda (x)
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(cond
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[(list? x) (debug-print-list x)]
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[(pair? x) (display "(")
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(debug-print-one (car x))
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(display " . ")
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(debug-print-one (cdr x))
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(display ")")]
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[(posn? x) (show-posn x)]
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[(bary? x) (show-bary x)]
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; [(3vector? x) (show-3vector x)]
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; [(intersection? x) (show-intersection x)]
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[else (display x)]))]
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[debug-print-list-innards
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(lambda (list)
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(cond
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[(null? list) (void)]
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[(null? (cdr list)) (debug-print-one (car list))]
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[else (debug-print-one (car list))
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(display " ")
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(debug-print-list-innards (cdr list))]))]
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[debug-print-list
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(lambda (x)
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(display "(")
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(debug-print-list-innards x)
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(display ")"))])
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(lambda args
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(debug-print-list-innards args)
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(newline)
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(flush-output)
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(void))))
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