racket/collects/syntax/module-reader.ss
Matthew Flatt 03f8cab5ee r5rs lang and doc tweaks
svn: r8507
2008-02-02 15:57:25 +00:00

35 lines
1.1 KiB
Scheme

(module module-reader scheme/base
(provide (rename-out [provide-module-reader #%module-begin]
[wrap wrap-read-all]))
(define-syntax provide-module-reader
(syntax-rules ()
[(_ lib)
(#%module-begin
(#%provide (rename *read read)
(rename *read-syntax read-syntax))
(define (*read in)
(wrap 'lib in read))
(define (*read-syntax src in)
(wrap 'lib in (lambda (in)
(read-syntax src in)))))]))
(define (wrap lib port read)
(let ([body
(let loop ([a null])
(let ([v (read port)])
(if (eof-object? v)
(reverse a)
(loop (cons v a)))))])
(let* ([p-name (object-name port)]
[name (if (path? p-name)
(let-values ([(base name dir?) (split-path p-name)])
(string->symbol (path->string (path-replace-suffix name #""))))
'page)]
[id 'doc])
`(module ,name ,lib
. ,body)))))