294 lines
12 KiB
Racket
294 lines
12 KiB
Racket
#lang racket
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(require racket/system
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racket/draw
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racket/runtime-path)
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(define (get-language i)
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(and (or (regexp-match #rx"scrbl$" (path->string i))
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(regexp-match #rx"[.]rkt$" (path->string i))
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(regexp-match #rx"[.]ss$" (path->string i))
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(regexp-match #rx"[.]scm$" (path->string i)))
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(call-with-input-file i
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(λ (port)
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(simplify-language
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(and (not (skip-file? i))
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(parameterize ([read-accept-reader #t])
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(with-handlers ((exn:fail? (λ (x) (printf "exn when reading ~s\n" i) (raise x))))
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(let loop ()
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(let ([line (read-line (peeking-input-port port))])
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(cond
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[(eof-object? line)
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(error 'get-language "got to eof without finding a language")]
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[(regexp-match #rx"[(]" line)
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(cond
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[(regexp-match #rx"module [^ ]* +(.*)$" line)
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=>
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(λ (m)
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(let ([obj (read (open-input-string (list-ref m 1)))])
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(if (string? obj)
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(format "s-exp ~a" obj)
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(format "~a" obj))))]
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[else
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(match (read port)
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[`(module ,modname ,lang ,stuff ...)
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(if (string? lang)
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(format "s-exp ~a" lang)
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(format "~a" lang))]
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[else
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#f ;; here we just assume there is no language specified
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#;(error 'get-language "found a paren, but not a module expression in ~s" i)])])]
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[(regexp-match #rx"#reader ?scribble/reader" line)
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(read-line port)
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(loop)]
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[(regexp-match #rx"#reader" line)
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(parse-reader-line port)]
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[(regexp-match #rx"#lang (.*)$" line)
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=>
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(λ (m) (list-ref m 1))]
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[(regexp-match #rx"#!r6rs$" line) "r6rs"]
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[else
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(read-line port)
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(loop)])))))))))))
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(define (simplify-language lang)
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(and lang
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(let ([lang
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(regexp-replace
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#rx" +$"
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(regexp-replace* #rx"\""
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(regexp-replace* #rx"s-exp " lang "")
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"")
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"")])
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(cond
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[(regexp-match #rx"^scheme" lang)
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(simplify-language (string-append "racket" (substring lang 6)))]
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[(regexp-match #rx"#%kernel" lang)
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"#%kernel"]
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[(regexp-match #rx"lib infotab.ss setup" lang)
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"setup/infotab"]
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[(regexp-match #rx"slideshow" lang)
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"slideshow"]
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[(regexp-match #rx"typed/scheme$" lang)
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"typed/racket"]
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[(regexp-match #rx"typed-scheme$" lang)
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"typed/racket"]
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[(regexp-match #rx"racket/unit/lang" lang)
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"racket/unit"]
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[(regexp-match #rx"srfi/provider" lang)
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"srfi/provider"]
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[(regexp-match #rx"htdp/bsl/reader" lang)
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"htdp/bsl"]
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[(regexp-match #rx"htdp-beginner.ss" lang)
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"htdp/bsl"]
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[(regexp-match #rx"htdp-intermediate.ss" lang)
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"htdp/isl"]
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[(regexp-match #rx"htdp-intermediate-lambda.ss" lang)
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"htdp/isl+"]
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[(regexp-match #rx"htdp-advanced.ss" lang)
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"htdp/asl"]
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[else lang]))))
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(define (skip-file? path)
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(let ([str (path->string path)])
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(or (regexp-match #rx"collects/games/loa/main.ss" str)
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(regexp-match #rx"collects/tests" str)
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(regexp-match #rx"collects/scribblings/guide/contracts-examples" str)
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(regexp-match #rx"collects/htdp/tests/matrix-" str)
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(regexp-match #rx"collects/scribblings/guide/read.scrbl" str))))
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(define (parse-reader-line port)
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(let ([line (read-line port)])
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(cond
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[(regexp-match #rx"htdp-beginner-reader.ss" line)
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"htdp/bsl"]
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[else
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(error 'parse-reader-line "unknown line ~s" line)])))
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(define ht (make-hash))
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(for ((i (in-directory (simplify-path (build-path (collection-path "racket") 'up)))))
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(let ([lang (get-language i)])
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(when lang
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(hash-set! ht lang (cons i (hash-ref ht lang '()))))))
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(let ([one-offs '()])
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(hash-for-each
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ht
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(λ (k v) (when (= 1 (length v))
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(hash-remove! ht k)
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(set! one-offs (cons (car v) one-offs)))))
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(hash-set! ht "one off language" one-offs))
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(sort (hash-map ht (λ (x y) (list x (length y)))) string<=? #:key car)
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(define existing-edges (make-hash))
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(define existing-interior-nodes (make-hash))
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(define directory->languages (make-hash))
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(define depth-table (make-hash))
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(define path->rank
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(let ([rank-table (make-hash)])
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(λ (path)
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(hash-ref rank-table path
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(λ ()
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(let ([next (hash-count rank-table)])
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(hash-set! rank-table path (format "rank~a" next))
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(format "rank~a" next)))))))
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(define (file-to-dot filename language)
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(let ([path (find-relative-path (simplify-path (build-path (collection-path "drscheme") 'up 'up))
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filename)])
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(let loop ([eles (explode-path path)]
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[parent (build-path 'same)]
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[depth 0])
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(let* ([child (build-path parent (car eles))]
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[key (cons parent child)])
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(cond
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[(null? (cdr eles))
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(unless (member language (hash-ref directory->languages parent '()))
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(hash-set! directory->languages parent (cons language (hash-ref directory->languages parent '())))
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(unless (hash-ref existing-edges key #f)
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(hash-set! existing-edges key #t)
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(printf " \"~a\" -> \"~a\" [color=gray,arrowhead=none,arrowtail=none];\n" parent child))
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(hash-set! depth-table depth (+ 1 (hash-ref depth-table depth 0)))
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(let ([rank (path->rank parent)])
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(printf " \"~a\" [label=\"\",shape=circle,fillcolor=\"~a\",color=\"~a\",style=filled] ;\n"
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(path->string child)
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(language->color filename language)
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(language->color filename language))))]
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[else
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(unless (hash-ref existing-edges key #f)
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(hash-set! existing-edges key #t)
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(printf " \"~a\" -> \"~a\" [color=gray,arrowhead=none,arrowtail=none];\n" parent child))
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(unless (hash-ref existing-interior-nodes parent #f)
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(hash-set! existing-interior-nodes parent #t)
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(printf " \"~a\" [shape=point,color=gray];\n" parent))
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(unless (hash-ref existing-interior-nodes child #f)
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(hash-set! existing-interior-nodes child #t)
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(printf " \"~a\" [shape=point,color=gray];\n" child))
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(loop (cdr eles) child (+ depth 1))])))))
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(define colors (make-hash))
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(define (language->color file lang)
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(hash-ref colors lang
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(λ ()
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(cond
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[(regexp-match #rx"web" lang)
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(next-color lang 'purple)]
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[(or (regexp-match #rx"frtime" lang))
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(next-color lang 'gray)]
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[(regexp-match #rx"typed" lang)
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(next-color lang 'orange)]
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[(or (regexp-match #rx"at-exp" lang)
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(regexp-match #rx"scribble" lang))
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(next-color lang 'red)]
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[(or (regexp-match #rx"scheme" lang)
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(regexp-match #rx"racket" lang)
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(regexp-match #rx"slideshow" lang)
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(regexp-match #rx"#%kernel" lang)
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(regexp-match #rx"pre-base.rkt" lang))
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(next-color lang 'blue)]
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[(or (regexp-match #rx"srfi" lang)
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(regexp-match #rx"r6rs" lang)
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(regexp-match #rx"r5rs" lang))
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(next-color lang 'pink)]
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[(regexp-match #rx"module-reader" lang)
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(next-color lang 'brown)]
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[(regexp-match #rx"setup" lang)
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(next-color lang 'yellow)]
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[(or (regexp-match #rx"htdp" lang)
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(regexp-match #rx"DMdA" lang))
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(next-color lang 'green)]
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[(regexp-match #rx"swindle" lang)
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(next-color lang 'cyan)]
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[else
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(fprintf (current-error-port) "unknown language ~s ~s\n" lang (length (hash-ref ht lang)))
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(new-color lang 0 0 0)]))))
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(define (new-color lang r g b)
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(define new-color (string-append
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"#"
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(to-hex r)
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(to-hex g)
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(to-hex b)))
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(hash-set! colors lang new-color)
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new-color)
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(define orig-colors
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#hash((blue . ((0 0 255) (0 0 240) (0 0 220) (0 0 205) (0 0 190) (0 0 160)
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(50 50 255) (80 80 255) (100 100 255) (0 0 130) (0 0 100) (0 0 70)
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"slateblue"))
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(green . ((0 255 0) (0 230 0) (0 200 0) (0 175 0) (0 150 0) (0 125 0) (0 100 0)))
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(red . ((255 0 0) (230 0 0) (200 0 0) (175 0 0) (150 0 0) (125 0 0) (100 0 0)))
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(yellow . ((255 255 0)))
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(orange . ("orange" "darkorange" "gold"))
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(gray . ((240 240 240) (220 220 220) (200 200 200) (180 180 180) (160 160 160) (130 130 130) (100 100 100) (70 70 70) (50 50 50) (30 30 30)))
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(pink . ("pink" "lightpink" "fuchsia"))
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(purple . ("orchid" "purple" "darkviolet"))
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(cyan . ((0 255 255) (150 255 255)))
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(brown . ("brown"))))
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(define colors-table (hash-copy orig-colors))
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(define (next-color lang key)
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(let ([lst (hash-ref colors-table key)])
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(cond
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[(null? lst)
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(eprintf "ran out of ~a for ~a\n" key lang)
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(hash-set! colors-table key (hash-ref orig-colors key))
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(next-color lang key)]
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[else
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(hash-set! colors-table key (cdr lst))
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(cond
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[(list? (car lst))
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(apply new-color lang (car lst))]
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[else
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(let ([color (send the-color-database find-color (car lst))])
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(new-color lang
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(send color red)
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(send color green)
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(send color blue)))])])))
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(define (to-hex n)
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(cond
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[(<= n 15) (format "0~a" (number->string n 16))]
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[else (number->string n 16)]))
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(define (to-dot)
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(printf "digraph {\n")
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(hash-for-each
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ht
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(λ (lang files)
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(for-each
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(λ (file) (file-to-dot file lang))
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files)))
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(printf "}\n"))
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(call-with-output-file "lang.dot"
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(λ (port)
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(parameterize ([current-output-port port])
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(to-dot)))
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#:exists 'truncate)
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(define-runtime-path lang-colors.rkt "lang-colors.rkt")
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(call-with-output-file lang-colors.rkt
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(λ (port)
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(pretty-write
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(sort (hash-map colors list)
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string<=?
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#:key car)
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port))
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#:exists 'truncate)
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(printf "calling twopi\n")
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(void
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(parameterize ([current-input-port (open-input-string "")])
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(system (format "~a -Tplain lang.dot > lang.plain"
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(if (file-exists? "/usr/local/bin/twopi")
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"/usr/local/bin/twopi"
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"/usr/bin/twopi")))))
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