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