038f579b79
The "racket" directory contains a pared-back version of the repository, roughly. The "pkgs" directory everything else in the repository, but organized into packages. original commit: b2ebb0a28bf8136e75cd98316c22fe54c30eacb2
30 lines
1.0 KiB
Racket
30 lines
1.0 KiB
Racket
(module a-signature mzscheme
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(require-for-syntax racket/private/unit-compiletime
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racket/private/unit-syntax)
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(require "unit.rkt")
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(provide (rename module-begin #%module-begin)
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(all-from-except mzscheme #%module-begin)
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(all-from "unit.rkt"))
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(define-for-syntax (make-name s)
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(string->symbol
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(string-append (regexp-replace "-sig$" (symbol->string s) "")
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"^")))
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(define-syntax (module-begin stx)
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(parameterize ((error-syntax stx))
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(with-syntax ((name (make-name (syntax-property stx 'enclosing-module-name))))
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(syntax-case stx ()
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((_ . x)
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(with-syntax ((((reqs ...) . (body ...))
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(split-requires (checked-syntax->list #'x))))
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(datum->syntax-object
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stx
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(syntax-e #'(#%module-begin
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reqs ...
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(provide name)
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(define-signature name (body ...))))
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stx))))))))
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