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ffi/unsafe/com: repair for safe arrays, and add com-omit?

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Repair provided by Antonio Menezes Leitao.
This commit is contained in:
Matthew Flatt 2015-11-04 16:48:33 -07:00
parent b54c03bb04
commit 585f14744e
3 changed files with 20 additions and 11 deletions
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8
pkgs/racket-doc/scribblings/foreign/com-auto.scrbl
View File

@ -209,6 +209,14 @@ A constant for use with @racket[com-invoke] in place of an optional
argument.}
@defproc[(com-omit? [v any/c]) boolean?]{
Returns @racket[#t] if @racket[v] is @racket[com-omit], @racket[#f]
otherwise.
@history[#:added "6.3.0.3"]}
@; ----------------------------------------
@section{COM Properties}

2
racket/collects/ffi/com.rkt
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@ -14,7 +14,7 @@
com-release
com-object-type com-type? com-type=?
com-methods com-method-type com-invoke com-omit
com-methods com-method-type com-invoke com-omit com-omit?
com-get-properties com-get-property-type com-get-property
com-get-property*
com-set-properties com-set-property-type com-set-property!

21
racket/collects/ffi/unsafe/com.rkt
View File

@ -54,7 +54,7 @@
com-release
com-object-type com-type? com-type=?
com-methods com-method-type com-invoke com-omit
com-methods com-method-type com-invoke com-omit com-omit?
com-get-properties com-get-property-type com-get-property
com-get-property*
com-set-properties com-set-property-type com-set-property!
@ -1407,10 +1407,10 @@
(define-oleaut VariantInit (_wfun _VARIANT-pointer -> _void))
(define com-omit
(define-values (com-omit com-omit?)
(let ()
(struct com-omit ())
(com-omit)))
(values (com-omit) com-omit?)))
(define CY-factor 10000)
@ -1732,13 +1732,14 @@
(let loop ([dims dims] [level 1] [index null])
(define lb (SafeArrayGetLBound sa level))
(for/vector ([i (in-range (car dims))])
(if (null? (cdr dims))
(let ([var (make-a-VARIANT)])
(set-VARIANT-vt! var vt)
(SafeArrayGetElement sa (reverse (cons i index))
(extract-variant-pointer var #t))
(variant-to-scheme var #:mode mode))
(loop (cdr dims) (add1 level) (cons i index))))))))
(let ([i (+ i lb)])
(if (null? (cdr dims))
(let ([var (make-a-VARIANT)])
(set-VARIANT-vt! var vt)
(SafeArrayGetElement sa (reverse (cons i index))
(extract-variant-pointer var #t))
(variant-to-scheme var #:mode mode))
(loop (cdr dims) (add1 level) (cons i index)))))))))
(define (_IUnknown-pointer-or-com-object mode)
(make-ctype