53 lines
2.2 KiB
Scheme
53 lines
2.2 KiB
Scheme
#lang scheme/base
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(require scribble/xref
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setup/getinfo
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scheme/fasl
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"private/doc-path.ss")
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(provide load-collections-xref)
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(define cached-xref #f)
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(define (get-dests dir)
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(let* ([i (get-info/full dir)]
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[scribblings (i 'scribblings)]
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[categories (i 'doc-categories (lambda ()
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(map (lambda (d) 'library) scribblings)))])
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(map (lambda (d cat)
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(and (not (eq? cat 'omit))
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(not (and (pair? cat) (eq? (car cat) 'omit)))
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(pair? d)
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(let* ([flags (if (pair? (cdr d)) (cadr d) null)]
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[name (if (and (pair? (cdr d)) (pair? (cddr d)) (caddr d))
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(cadr d)
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(let-values ([(base name dir?) (split-path (car d))])
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(path-replace-suffix name #"")))])
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(build-path
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(doc-path dir name flags)
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"out.sxref"))))
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scribblings
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categories)))
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(define (load-collections-xref [report-loading void])
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(or cached-xref
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(begin
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(report-loading)
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(let* ([dests (map get-dests (find-relevant-directories '(scribblings)))]
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[dests (filter values (apply append dests))])
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(set! cached-xref
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(load-xref (map (lambda (dest)
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(lambda ()
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(with-handlers ([exn:fail?
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(lambda (exn)
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(fprintf (current-error-port)
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"WARNING: ~a\n"
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(if (exn? exn)
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(exn-message exn)
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(format "~e" exn)))
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#f)])
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(let ([r (call-with-input-file* dest fasl->s-exp)])
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(cadr r)))))
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dests)))
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cached-xref))))
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