You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.8 KiB
Racket
47 lines
1.8 KiB
Racket
#lang racket/base
|
|
(require "world.rkt" sugar/define sugar/coerce)
|
|
|
|
(define (complete-paths? x) (and (list? x) (andmap complete-path? x)))
|
|
|
|
(define/contract+provide (get-directory-require-files source-path) ; keep contract local to ensure coercion
|
|
(coerce/path? . -> . (or/c #f complete-paths?))
|
|
|
|
(define (dirname path)
|
|
(let-values ([(dir name dir?) (split-path path)])
|
|
dir))
|
|
|
|
(define (find-upward filename-to-find)
|
|
(parameterize ([current-directory (dirname (->complete-path source-path))])
|
|
(let loop ([dir (current-directory)][path (string->path filename-to-find)])
|
|
(and dir ; dir is #f when it hits the top of the filesystem
|
|
(let ([completed-path (path->complete-path path)])
|
|
(if (file-exists? completed-path)
|
|
(simplify-path completed-path)
|
|
(loop (dirname dir) (build-path 'up path))))))))
|
|
|
|
(define require-filenames (list world:directory-require))
|
|
(define not-false? (λ(x) x))
|
|
(define possible-requires (filter not-false? (map find-upward require-filenames)))
|
|
(and (not (null? possible-requires)) possible-requires))
|
|
|
|
|
|
(define+provide/contract (require+provide-directory-require-files here-path #:provide [provide #t])
|
|
(coerce/path? . -> . (or/c list? void?))
|
|
|
|
(define (put-file-in-require-form file)
|
|
`(file ,(path->string file)))
|
|
|
|
(define directory-require-files (get-directory-require-files here-path))
|
|
|
|
(if directory-require-files
|
|
(let ([files-in-require-form (map put-file-in-require-form directory-require-files)])
|
|
`(begin
|
|
(require ,@files-in-require-form)
|
|
,@(if provide
|
|
(list `(provide (all-from-out ,@files-in-require-form)))
|
|
null)))
|
|
'(begin)))
|
|
|
|
|
|
(define+provide (require-directory-require-files here-path)
|
|
(require+provide-directory-require-files here-path #:provide #f)) |