Add unit contracts from branches/sstrickl/unit-contracts.
svn: r13177
This commit is contained in:
Stevie Strickland
commit
cc9925dd6b
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@ -45,8 +45,8 @@
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(cons (reverse requires) l)))))))
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;; (make-var-info bool bool identifier)
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(define-struct var-info (syntax? [exported? #:mutable] id))
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;; (make-var-info bool bool identifier (or #f (syntax-object -> syntax-object)))
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(define-struct var-info (syntax? [exported? #:mutable] id [add-ctc #:mutable]))
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(define-syntax define-struct/proc
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(syntax-rules ()
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@ -57,8 +57,11 @@
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;; - (cons identifier identifier)
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;; A def is
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;; - (listof (cons (listof int/ext) syntax-object))
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;; A ctc is
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;; - syntax-object
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;; - #f
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;; A sig is
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;; - (list (listof int/ext) (listof def) (listof def))
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;; - (list (listof int/ext) (listof def) (listof def) (listof ctc))
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;; A tagged-sig is
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;; - (listof (cons #f siginfo) (cons #f identifier) sig)
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;; - (listof (cons symbol siginfo) (cons symbol identifier) sig)
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@ -95,8 +98,9 @@
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;; (listof identifier)
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;; (listof (cons (listof identifier) syntax-object))
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;; (listof (cons (listof identifier) syntax-object))
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;; (listof (U syntax-object #f))
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;; identifier)
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(define-struct/proc signature (siginfo vars val-defs stx-defs orig-binder)
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(define-struct/proc signature (siginfo vars val-defs stx-defs ctcs orig-binder)
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(lambda (_ stx)
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(parameterize ((error-syntax stx))
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(raise-stx-err "illegal use of signature name"))))
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@ -219,6 +223,7 @@
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(vars (signature-vars sig))
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(vals (signature-val-defs sig))
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(stxs (signature-stx-defs sig))
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(ctcs (signature-ctcs sig))
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(delta-introduce (if bind?
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(let ([f (syntax-local-make-delta-introducer
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spec)])
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@ -243,7 +248,8 @@
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(cons (map (λ (id) (cons id id))
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(car stx))
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(cdr stx)))
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stxs)))))
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stxs)
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ctcs))))
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(define (sig-names sig)
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(append (car sig)
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@ -264,12 +270,19 @@
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(car def))
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(g (cdr def))))
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;; map-ctc : (identifier -> identifier) (syntax-object -> syntax-object) ctc -> ctc
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(define (map-ctc f g ctc)
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(if ctc
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(g ctc)
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ctc))
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;; map-sig : (identifier -> identifier) (sytnax-object -> syntax-object) sig -> sig
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;; applies f to the internal parts, and g to the external parts.
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(define (map-sig f g sig)
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(list (map (lambda (x) (cons (f (car x)) (g (cdr x)))) (car sig))
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(map (lambda (x) (map-def f g x)) (cadr sig))
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(map (lambda (x) (map-def f g x)) (caddr sig))))
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(map (lambda (x) (map-def f g x)) (caddr sig))
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(map (lambda (x) (map-ctc f g x)) (cadddr sig))))
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;; An import-spec is one of
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;; - signature-name
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@ -3,7 +3,7 @@
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(provide only except prefix rename tag
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import export init-depend link
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extends)
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extends contracted)
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(define-syntax-rule (define-syntax-for-error name message)
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(define-syntax name
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@ -34,3 +34,5 @@
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"misuse of compound-unit keyword")
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(define-syntax-for-error extends
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"misuse of define-signature keyword")
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(define-syntax-for-error contracted
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"misuse of define-signature keyword")
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@ -10,12 +10,14 @@
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"private/unit-syntax.ss")
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(require mzlib/etc
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mzlib/contract
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mzlib/stxparam
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"private/unit-keywords.ss"
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"private/unit-runtime.ss")
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(provide define-signature-form struct open
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define-signature provide-signature-elements
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only except rename import export prefix link tag init-depend extends
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only except rename import export prefix link tag init-depend extends contracted
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unit?
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(rename :unit unit) define-unit
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compound-unit define-compound-unit compound-unit/infer define-compound-unit/infer
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@ -123,7 +125,8 @@
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(define-for-syntax (build-val+macro-defs sig)
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(with-syntax ([(((int-ivar . ext-ivar) ...)
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((((int-vid . ext-vid) ...) . vbody) ...)
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((((int-sid . ext-sid) ...) . sbody) ...))
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((((int-sid . ext-sid) ...) . sbody) ...)
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(cbody ...))
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(map-sig (lambda (x) x)
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(make-syntax-introducer)
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sig)])
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@ -170,7 +173,7 @@
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(raise-stx-err "expected syntax matching (sig-expr ...)" sig-exprs))
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(let ([ses (checked-syntax->list sig-exprs)])
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(define-values (super-names super-ctimes super-rtimes super-bindings
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super-val-defs super-stx-defs)
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super-val-defs super-stx-defs super-ctcs)
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(if super-sigid
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(let* ([super-sig (lookup-signature super-sigid)]
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[super-siginfo (signature-siginfo super-sig)])
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@ -180,17 +183,24 @@
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(siginfo-rtime-ids super-siginfo))
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(map syntax-local-introduce (signature-vars super-sig))
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(map introduce-def (signature-val-defs super-sig))
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(map introduce-def (signature-stx-defs super-sig))))
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(values '() '() '() '() '() '())))
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(map introduce-def (signature-stx-defs super-sig))
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(map (lambda (ctc)
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(if ctc
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(syntax-local-introduce ctc)
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ctc))
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(signature-ctcs super-sig))))
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(values '() '() '() '() '() '() '())))
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(let loop ((sig-exprs ses)
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(bindings null)
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(val-defs null)
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(stx-defs null))
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(stx-defs null)
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(ctcs null))
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(cond
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((null? sig-exprs)
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(let* ([all-bindings (append super-bindings (reverse bindings))]
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[all-val-defs (append super-val-defs (reverse val-defs))]
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[all-stx-defs (append super-stx-defs (reverse stx-defs))]
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[all-ctcs (append super-ctcs (reverse ctcs))]
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[dup
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(check-duplicate-identifier
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(append all-bindings
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@ -221,12 +231,34 @@
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((syntax-local-certifier)
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(quote-syntax sbody)))
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...)
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(list #,@(map (lambda (c)
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(if c
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#`((syntax-local-certifier)
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(quote-syntax #,c))
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#'#f))
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all-ctcs))
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(quote-syntax #,sigid))))))))
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(else
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(syntax-case (car sig-exprs) (define-values define-syntaxes)
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(syntax-case (car sig-exprs) (define-values define-syntaxes contracted)
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(x
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(identifier? #'x)
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(loop (cdr sig-exprs) (cons #'x bindings) val-defs stx-defs))
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(loop (cdr sig-exprs) (cons #'x bindings) val-defs stx-defs (cons #f ctcs)))
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((x (y z) ...)
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(and (identifier? #'x)
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(module-identifier=? #'x #'contracted)
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(andmap identifier? (syntax->list #'(y ...))))
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(loop (cdr sig-exprs)
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(append (syntax->list #'(y ...)) bindings)
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val-defs
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stx-defs
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(append (syntax->list #'(z ...)) ctcs)))
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((x . z)
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(and (identifier? #'x)
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(module-identifier=? #'x #'contracted))
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(raise-syntax-error
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'define-signature
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"expected a list of [id contract] pairs after the contracted keyword"
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(car sig-exprs)))
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((x . y)
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(and (identifier? #'x)
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(or (module-identifier=? #'x #'define-values)
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@ -248,7 +280,8 @@
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(if (module-identifier=? #'x #'define-syntaxes)
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(cons (cons (syntax->list #'(name ...)) b)
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stx-defs)
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stx-defs))))))))
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stx-defs)
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ctcs)))))))
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((x . y)
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(let ((trans
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(set!-trans-extract
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@ -266,7 +299,8 @@
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(loop (append results (cdr sig-exprs))
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bindings
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val-defs
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stx-defs))))
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stx-defs
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ctcs))))
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(x (raise-stx-err
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"expected either an identifier or signature form"
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#'x))))))))
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@ -425,6 +459,27 @@
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(define-for-syntax process-unit-export
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(process-unit-import/export process-tagged-export))
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;; id->contract-src-info : identifier -> syntax
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;; constructs the last argument to the contract, given an identifier
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(define-for-syntax (id->contract-src-info id)
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#`(list (make-srcloc (quote-syntax #,id)
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#,(syntax-line id)
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#,(syntax-column id)
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#,(syntax-position id)
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#,(syntax-span id))
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#,(format "~s" (syntax-object->datum id))))
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(define-syntax-parameter current-unit-blame-stx (lambda (stx) #'(#%variable-reference)))
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(define-for-syntax (make-import-unboxing var loc ctc)
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(if ctc
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(quasisyntax/loc (error-syntax)
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(quote-syntax (contract #,ctc (unbox #,loc) 'cant-happen
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(current-unit-blame-stx)
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#,(id->contract-src-info var))))
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(quasisyntax/loc (error-syntax)
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(quote-syntax (unbox #,loc)))))
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;; build-unit : syntax-object ->
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;; (values syntax-object (listof identifier) (listof identifier))
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;; constructs the code for a unit expression. stx must be
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@ -471,6 +526,13 @@
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(map (lambda (x) (generate-temporaries (car x))) import-sigs)]
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[((eloc ...) ...)
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(map (lambda (x) (generate-temporaries (car x))) export-sigs)]
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[((ectc ...) ...)
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(map (λ (sig)
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(map (λ (ctc)
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(if ctc
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(cons 'contract ctc)
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#f))
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(cadddr sig))) export-sigs)]
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[((import-key import-super-keys ...) ...)
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(map tagged-info->keys import-tagged-infos)]
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[((export-key ...) ...)
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@ -494,32 +556,36 @@
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(vector-immutable (cons 'export-name
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(vector-immutable export-key ...)) ...)
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(list (cons 'dept depr) ...)
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(lambda ()
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(let ([eloc (box undefined)] ... ...)
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(values
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(lambda (import-table)
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(let-values ([(iloc ...)
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(vector->values (hash-table-get import-table import-key) 0 icount)]
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...)
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(letrec-syntaxes ([(int-ivar ...)
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(make-id-mappers
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(quote-syntax (unbox iloc))
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...)]
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...
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[(int-evar ...)
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(make-id-mappers
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(quote-syntax (unbox eloc))
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...)]
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...)
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(letrec-syntaxes+values (renames ...
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mac ... ...)
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(val ... ...)
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(unit-body #,(error-syntax)
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(int-ivar ... ...)
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(int-evar ... ...)
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(eloc ... ...)
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. body)))))
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(unit-export ((export-key ...) (vector-immutable eloc ...)) ...))))))
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(syntax-parameterize ([current-unit-blame-stx (lambda (stx) #'(quote (unit name)))])
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(lambda ()
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(let ([eloc (box undefined)] ... ...)
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(values
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(lambda (import-table)
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(let-values ([(iloc ...)
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(vector->values (hash-table-get import-table import-key) 0 icount)]
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...)
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(letrec-syntaxes (#,@(map (lambda (ivs ils ics)
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(quasisyntax/loc (error-syntax)
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[#,ivs
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(make-id-mappers
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#,@(map (lambda (iv l c)
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(make-import-unboxing iv l c))
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(syntax->list ivs)
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(syntax->list ils)
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ics))]))
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(syntax->list #'((int-ivar ...) ...))
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(syntax->list #'((iloc ...) ...))
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(map cadddr import-sigs)))
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(letrec-syntaxes+values (renames ...
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mac ... ...)
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(val ... ...)
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(unit-body #,(error-syntax)
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(int-ivar ... ...)
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(int-evar ... ...)
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(eloc ... ...)
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(ectc ... ...)
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. body)))))
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(unit-export ((export-key ...) (vector-immutable eloc ...)) ...)))))))
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import-tagged-sigids
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export-tagged-sigids
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dep-tagged-sigids))))))
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@ -533,17 +599,14 @@
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(define-syntax (unit-body stx)
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(syntax-case stx ()
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((_ err-stx ivars evars elocs body ...)
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((_ err-stx ivars evars elocs ectcs body ...)
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(parameterize ((error-syntax #'err-stx))
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(let* ([expand-context (generate-expand-context)]
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[def-ctx (syntax-local-make-definition-context)]
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[local-ivars (syntax->list (localify #'ivars def-ctx))]
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[local-evars (syntax->list (localify #'evars def-ctx))]
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[stop-list
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(append
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(kernel-form-identifier-list)
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(syntax->list #'ivars)
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(syntax->list #'evars))]
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(syntax->list #'ivars))]
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[definition?
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(lambda (id)
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(and (identifier? id)
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|
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@ -605,7 +668,8 @@
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table id
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(make-var-info (module-identifier=? #'dv (quote-syntax define-syntaxes))
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#f
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id)))
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id
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#f)))
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(syntax->list #'(id ...)))]
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[_ (void)])))
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[_ (void)]))
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|
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@ -616,7 +680,7 @@
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;; Mark exported names and
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;; check that all exported names are defined (as var):
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(for-each
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(lambda (name loc)
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(lambda (name loc ctc)
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(let ([v (bound-identifier-mapping-get defined-names-table
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name
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(lambda () #f))])
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|
|
@ -624,9 +688,16 @@
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(raise-stx-err (format "undefined export ~a" (syntax-e name))))
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(when (var-info-syntax? v)
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(raise-stx-err "cannot export syntax from a unit" name))
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(set-var-info-exported?! v loc)))
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local-evars
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(syntax->list #'elocs))
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(set-var-info-exported?! v loc)
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(when (pair? (syntax-e ctc))
|
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(set-var-info-add-ctc!
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v
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(λ (e)
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#`(contract #,(cdr (syntax-e ctc)) #,e (current-unit-blame-stx)
|
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'cant-happen #,(id->contract-src-info e)))))))
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(syntax->list (localify #'evars def-ctx))
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(syntax->list #'elocs)
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(syntax->list #'ectcs))
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|
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;; Check that none of the imports are defined
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(for-each
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|
|
@ -638,78 +709,42 @@
|
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(raise-stx-err
|
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"definition for imported identifier"
|
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(var-info-id defid)))))
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local-ivars)
|
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(syntax->list (localify #'ivars def-ctx)))
|
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|
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(with-syntax ([(intname ...)
|
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(foldr
|
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(lambda (var res)
|
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(cond
|
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((not (or (var-info-syntax? (cdr var))
|
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(var-info-exported? (cdr var))))
|
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(cons (car var) res))
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(else res)))
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null
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(bound-identifier-mapping-map defined-names-table cons))]
|
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[(evar ...) #'evars]
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[(l-evar ...) local-evars]
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[(defn&expr ...)
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(filter
|
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values
|
||||
(map (lambda (defn-or-expr)
|
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(syntax-case defn-or-expr (define-values define-syntaxes)
|
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[(define-values () expr)
|
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(syntax/loc defn-or-expr (set!-values () expr))]
|
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[(define-values ids expr)
|
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(let ([ids (syntax->list #'ids)]
|
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[do-one
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||||
(lambda (id tmp name)
|
||||
(let ([export-loc
|
||||
(var-info-exported?
|
||||
(bound-identifier-mapping-get
|
||||
defined-names-table
|
||||
id))])
|
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(cond
|
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(export-loc
|
||||
;; set! exported id:
|
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(quasisyntax/loc defn-or-expr
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||||
(set-box! #,export-loc
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#,(if name
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#`(let ([#,name #,tmp])
|
||||
#,name)
|
||||
tmp))))
|
||||
(else
|
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;; not an exported id
|
||||
(quasisyntax/loc defn-or-expr
|
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(set! #,id #,tmp))))))])
|
||||
(if (null? (cdr ids))
|
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(do-one (car ids) (syntax expr) (car ids))
|
||||
(let ([tmps (generate-temporaries ids)])
|
||||
(with-syntax ([(tmp ...) tmps]
|
||||
[(set ...)
|
||||
(map (lambda (id tmp)
|
||||
(do-one id tmp #f))
|
||||
ids tmps)])
|
||||
(syntax/loc defn-or-expr
|
||||
(let-values ([(tmp ...) expr])
|
||||
set ...))))))]
|
||||
[(define-syntaxes . l) #f]
|
||||
[else defn-or-expr]))
|
||||
expanded-body))]
|
||||
[(stx-defn ...)
|
||||
(filter
|
||||
values
|
||||
(map (lambda (defn-or-expr)
|
||||
(syntax-case defn-or-expr (define-syntaxes)
|
||||
[(define-syntaxes . l) #'l]
|
||||
[else #f]))
|
||||
expanded-body))])
|
||||
#'(letrec-syntaxes+values (stx-defn
|
||||
...
|
||||
((l-evar) (make-rename-transformer (quote-syntax evar)))
|
||||
...)
|
||||
([(intname) undefined] ...)
|
||||
(void) ; in case the body would be empty
|
||||
defn&expr ...)))))))
|
||||
(let ([marker (make-syntax-introducer)])
|
||||
(with-syntax ([(defn-or-expr ...)
|
||||
(apply append
|
||||
(map (λ (defn-or-expr)
|
||||
(syntax-case defn-or-expr (define-values)
|
||||
[(define-values (id ...) body)
|
||||
(let* ([ids (syntax->list #'(id ...))]
|
||||
[tmps (map marker ids)]
|
||||
[do-one
|
||||
(λ (id tmp)
|
||||
(let ([var-info (bound-identifier-mapping-get
|
||||
defined-names-table
|
||||
id)])
|
||||
(cond
|
||||
[(var-info-exported? var-info)
|
||||
=>
|
||||
(λ (export-loc)
|
||||
(let ([add-ctc (var-info-add-ctc var-info)])
|
||||
(list (quasisyntax/loc defn-or-expr
|
||||
(set-box! #,export-loc
|
||||
(let ([#,id #,(if add-ctc (add-ctc tmp) tmp)])
|
||||
#,id)))
|
||||
(quasisyntax/loc defn-or-expr
|
||||
(define-syntax #,id
|
||||
(make-id-mapper (quote-syntax #,tmp)))))))]
|
||||
[else (list (quasisyntax/loc defn-or-expr
|
||||
(define-syntax #,id
|
||||
(make-rename-transformer (quote-syntax #,tmp)))))])))])
|
||||
(cons (quasisyntax/loc defn-or-expr
|
||||
(define-values #,tmps body))
|
||||
(apply append (map do-one ids tmps))))]
|
||||
[else (list defn-or-expr)]))
|
||||
expanded-body))])
|
||||
#'(begin-with-definitions defn-or-expr ...))))))))
|
||||
|
||||
(define-for-syntax (redirect-imports/exports import?)
|
||||
(lambda (table-stx
|
||||
|
|
@ -1181,9 +1216,15 @@
|
|||
(map
|
||||
(lambda (os ov)
|
||||
(map
|
||||
(lambda (i)
|
||||
#`(vector-ref #,ov #,i))
|
||||
(iota (length (car os)))))
|
||||
(lambda (i v c)
|
||||
(if c
|
||||
#`(contract #,c (unbox (vector-ref #,ov #,i))
|
||||
'cant-happen (current-unit-blame-stx)
|
||||
#,(id->contract-src-info v))
|
||||
#`(unbox (vector-ref #,ov #,i))))
|
||||
(iota (length (car os)))
|
||||
(map car (car os))
|
||||
(cadddr os)))
|
||||
out-sigs
|
||||
out-vec)))
|
||||
(quasisyntax/loc stx
|
||||
|
|
@ -1201,7 +1242,7 @@
|
|||
((unit-go unit-tmp))))
|
||||
(let ([out-vec (hash-table-get export-table key1)] ...)
|
||||
(unit-fn #f)
|
||||
(values (unbox out-code) ... ...))))))
|
||||
(values out-code ... ...))))))
|
||||
(define-syntaxes . renames) ...
|
||||
(define-syntaxes (mac-name ...) mac-body) ... ...
|
||||
(define-values (val-name ...) val-body) ... ...)))))
|
||||
|
|
@ -1256,7 +1297,8 @@
|
|||
((_ name . rest)
|
||||
(begin
|
||||
(check-id #'name)
|
||||
(let-values (((exp i e d) (build #'rest)))
|
||||
(let-values (((exp i e d) (parameterize ([error-syntax (syntax-property (error-syntax) 'inferred-name (syntax-e #'name))])
|
||||
(build #'rest ))))
|
||||
(with-syntax ((((itag . isig) ...) i)
|
||||
(((etag . esig) ...) e)
|
||||
(((deptag . depsig) ...) d))
|
||||
|
|
|
|||
|
|
@ -160,6 +160,7 @@ the corresponding import. Each @scheme[tagged-sig-id] in an
|
|||
|
||||
[sig-elem
|
||||
id
|
||||
(contracted [id contract] ...)
|
||||
(define-syntaxes (id ...) expr)
|
||||
(define-values (value-id ...) expr)
|
||||
(open sig-spec)
|
||||
|
|
@ -175,6 +176,15 @@ of bindings for import or export:
|
|||
@scheme[id]. That is, @scheme[id] is available for use in units
|
||||
importing the signature, and @scheme[id] must be defined by units
|
||||
exporting the signature.}
|
||||
|
||||
@item{Each @scheme[contracted] form in a signature declaration means
|
||||
that a unit exporting the signature must supply a variable definition
|
||||
for each @scheme[id] in that form. If the signature is imported, then
|
||||
uses of @scheme[id] inside the unit are protected by the appropriate
|
||||
contracts using the unit as the negative blame. If the signature is
|
||||
exported, then the exported values are protected by the appropriate
|
||||
contracts which use the unit as the positive blame, but internal uses
|
||||
of the exported identifiers are not protected.}
|
||||
|
||||
@item{Each @scheme[define-syntaxes] form in a signature declaration
|
||||
introduces a macro to that is available for use in any unit that
|
||||
|
|
|
|||
154
collects/tests/units/test-unit-contracts.ss
Normal file
154
collects/tests/units/test-unit-contracts.ss
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
(require "test-harness.ss"
|
||||
scheme/unit)
|
||||
|
||||
(define-signature sig1
|
||||
((contracted [x number?])))
|
||||
(define-signature sig2
|
||||
((contracted [f (-> number? number?)])))
|
||||
(define-signature sig3 extends sig2
|
||||
((contracted [g (-> number? boolean?)])))
|
||||
(define-signature sig4
|
||||
((contracted [a number?] [b (-> boolean? number?)])))
|
||||
(define-signature sig5
|
||||
((contracted [c string?])
|
||||
(contracted [d symbol?])))
|
||||
|
||||
(define-unit unit1
|
||||
(import)
|
||||
(export sig1)
|
||||
(define x #f))
|
||||
|
||||
(define-unit unit2
|
||||
(import sig1)
|
||||
(export sig2)
|
||||
(define (f n) x))
|
||||
|
||||
(define-unit unit3
|
||||
(import sig3 sig4)
|
||||
(export)
|
||||
|
||||
(b (g a)))
|
||||
|
||||
(define-unit unit4
|
||||
(import sig3 sig4)
|
||||
(export)
|
||||
|
||||
(g (b a)))
|
||||
|
||||
(define-unit unit5
|
||||
(import)
|
||||
(export sig5)
|
||||
|
||||
(define-values (c d) (values "foo" 3)))
|
||||
|
||||
(test-syntax-error "misuse of contracted"
|
||||
contracted)
|
||||
(test-syntax-error "invalid forms after contracted in signature"
|
||||
(define-signature x ((contracted x y))))
|
||||
(test-syntax-error "identifier not first part of pair after contracted in signature"
|
||||
(define-signature x ((contracted [(-> number? number?) x]))))
|
||||
|
||||
(test-syntax-error "f not defined in unit exporting sig3"
|
||||
(unit (import) (export sig3 sig4)
|
||||
(define a #t)
|
||||
(define g zero?)
|
||||
(define (b t) (if t 3 0))))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "x exported by unit1 not a number"
|
||||
(invoke-unit unit1))
|
||||
(test-runtime-error exn:fail:contract? "x exported by unit1 not a number"
|
||||
(invoke-unit (compound-unit (import) (export)
|
||||
(link (((S1 : sig1)) unit1)
|
||||
(() unit2 S1)))))
|
||||
(test-runtime-error exn:fail:contract? "a provided by anonymous unit not a number"
|
||||
(invoke-unit (compound-unit (import) (export)
|
||||
(link (((S3 : sig3) (S4 : sig4))
|
||||
(unit (import) (export sig3 sig4)
|
||||
(define a #t)
|
||||
(define f add1)
|
||||
(define g zero?)
|
||||
(define (b t) (if t 3 0))))
|
||||
(() unit3 S3 S4)))))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "g provided by anonymous unit returns the wrong value"
|
||||
(invoke-unit (compound-unit (import) (export)
|
||||
(link (((S3 : sig3) (S4 : sig4))
|
||||
(unit (import) (export sig3 sig4)
|
||||
(define a 3)
|
||||
(define f add1)
|
||||
(define g values)
|
||||
(define (b t) (if t 3 0))))
|
||||
(() unit3 S3 S4)))))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "unit4 misuses function b"
|
||||
(invoke-unit (compound-unit (import) (export)
|
||||
(link (((S3 : sig3) (S4 : sig4))
|
||||
(unit (import) (export sig3 sig4)
|
||||
(define a 3)
|
||||
(define f add1)
|
||||
(define g zero?)
|
||||
(define (b t) (if t 3 0))))
|
||||
(() unit4 S3 S4)))))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "unit5 provides bad value for d"
|
||||
(invoke-unit unit5))
|
||||
|
||||
(define-unit unit6
|
||||
(import)
|
||||
(export sig1)
|
||||
(define-unit unit6-1
|
||||
(import)
|
||||
(export sig1)
|
||||
(define x 3))
|
||||
(define-values/invoke-unit unit6-1
|
||||
(import)
|
||||
(export sig1)))
|
||||
|
||||
(invoke-unit unit6)
|
||||
|
||||
(define-signature sig6
|
||||
((contracted [x boolean?])))
|
||||
|
||||
(define-unit unit7
|
||||
(import)
|
||||
(export sig6)
|
||||
(define-unit unit7-1
|
||||
(import)
|
||||
(export sig1)
|
||||
(define x 3))
|
||||
(define-values/invoke-unit unit7-1
|
||||
(import)
|
||||
(export sig1)))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "unit7 reexports x with different (wrong) contract"
|
||||
(invoke-unit unit7))
|
||||
|
||||
(define-unit unit8
|
||||
(import)
|
||||
(export)
|
||||
(define-unit unit8-1
|
||||
(import)
|
||||
(export sig2)
|
||||
(define f values))
|
||||
(define-values/invoke-unit unit8-1
|
||||
(import)
|
||||
(export sig2))
|
||||
(f #t))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "unit8 misuses f from internal unit"
|
||||
(invoke-unit unit8))
|
||||
|
||||
(define-unit unit9
|
||||
(import)
|
||||
(export)
|
||||
(define-unit unit9-1
|
||||
(import)
|
||||
(export sig2)
|
||||
(define f zero?))
|
||||
(define-values/invoke-unit unit9-1
|
||||
(import)
|
||||
(export sig2))
|
||||
(f 3))
|
||||
|
||||
(test-runtime-error exn:fail:contract? "unit9-1 provides wrong value for function f"
|
||||
(invoke-unit unit9))
|
||||
Loading…
Reference in New Issue
Block a user