racket/collects/racket/signature/lang.rkt
Asumu Takikawa 403aaac7d4 Moved some mzlib library implementations to racket
The libraries moved were:
  - mzlib/control      => racket/control
  - mzlib/date         => racket/date
  - mzlib/deflate      => file/gzip
  - mzlib/inflate      => file/gunzip
  - mzlib/port         => racket/port
  - mzlib/process      => racket/system
  - mzlib/runtime-path => racket/runtime-path
  - mzlib/shared       => racket/shared
  - mzlib/unit         => racket/unit
  - mzlib/unit-exptime => racket/unit-exptime
  - mzlib/zip          => file/zip

The old modules in mzlib are now pointers to the
new modules. These are all modules that were already
redirected in the documentation.
2012-07-11 18:26:10 -04:00

38 lines
1.3 KiB
Racket

#lang scheme/base
(require scheme/unit
scheme/contract
(for-syntax scheme/base
racket/private/unit-compiletime
racket/private/unit-syntax))
(provide (rename-out [module-begin #%module-begin])
(except-out (all-from-out scheme/base) #%module-begin)
(all-from-out scheme/unit)
(all-from-out scheme/contract)
(for-syntax (all-from-out scheme/base)))
(define-for-syntax (make-name s)
(string->symbol
(string-append (regexp-replace "-sig$" (symbol->string s) "")
"^")))
;; Recognizes scheme require forms.
(define-for-syntax split-scheme-requires
(split-requires* (list #'require #'#%require)))
(define-syntax (module-begin stx)
(parameterize ((error-syntax stx))
(with-syntax ((name (make-name (syntax-property stx 'enclosing-module-name))))
(syntax-case stx ()
((_ . x)
(with-syntax ((((reqs ...) . (body ...))
(split-scheme-requires (checked-syntax->list #'x))))
(datum->syntax
stx
(syntax-e #'(#%module-begin
reqs ...
(provide name)
(define-signature name (body ...))))
stx)))))))