29 lines
1003 B
Racket
29 lines
1003 B
Racket
#lang scheme/base
|
|
|
|
(provide #%module-begin provide require rename-in rename-out prefix-in only-in all-from-out except-out except-in
|
|
providing begin subtract-in)
|
|
|
|
(require (for-syntax scheme/base) scheme/require)
|
|
|
|
(define-for-syntax ts-mod 'typed-scheme/typed-scheme)
|
|
|
|
(define-syntax (providing stx)
|
|
(syntax-case stx (libs from basics except)
|
|
[(form (libs (except lb ex ...) ...) (basics b ...) (from spec id ...) ...)
|
|
(datum->syntax
|
|
stx
|
|
(syntax->datum
|
|
(with-syntax ([(b* ...) (generate-temporaries #'(b ...))]
|
|
[ts ts-mod])
|
|
(syntax/loc
|
|
stx
|
|
(begin
|
|
(require (except-in ts b ...))
|
|
(require (only-in ts [b b*] ...))
|
|
(require (except-in lb ex ...) ...)
|
|
(require (only-in spec id ...) ...)
|
|
(provide id ...) ...
|
|
(provide (rename-out [b* b] ...))
|
|
(provide (all-from-out ts))
|
|
(provide (all-from-out lb) ...))))))]))
|