> On Nov 21, 2018, at 6:44 PM, Shu-Hung You
> wrote:
>> (PS ignore "at L ..." — apparently `gensym` in RacketCS is broken.)
Correction: it's not broken. I overlooked the fact that `gensym` is allowed to
produce symbols that print the same way, though sometimes it does not.
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Thanks! However, I am trying to avoid changing USE. The trouble is
that there are too many macros using X that I don't understand, and
these macros themselves are more than one layers deep. It is nearly
impossible to thread the syntax property through the macros.On Wed,
Nov 21, 2018 at 7:30 PM Matt
(PS ignore "at L ..." — apparently `gensym` in RacketCS is broken.)
> ;; Result:
> ;; "at L (unsaved-editor:24.3) ; #f #f"
> ;; "at L (unsaved-editor:25.3) ; #f #f"
> ;; "at L (unsaved-editor:26.0) ; #f #f"
> ;; "at L (unsaved-editor:27.0) ; #f #f"
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> On Nov 21, 2018, at 12:44 PM, Shu-Hung You
> wrote:
>
> It works, but it would be better if (X 'USE) can log information about
> its uses at B and C in addition to the source location A for debugging
> purpose. If I don't want to change the implementation of USE, is there
> a way for X to obt
I have a macro (let's called it X) that generates unique symbols at
all its uses. I need all its uses to be distinguishable from each
other.
(define-syntax X
(syntax-parser
[(_ stx)
(define label (gensym 'L))
#`(log-error "at ~a (~a) ; ~a ~a"
'#,label
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