On Monday, July 20, 2015 at 5:03:55 PM UTC-7, Jack Firth wrote:
> I'm trying to create a way to automatically turn test cases into examples.
> I'd like a macro that turns this:
>
> (extract-expressions
> (module+ test
> (check-equal? (extract-expression (square 5)) 25)
> (check-equal? (extract-expression (square -5)) 25))
> (module+ doc
> @defproc[(square [x real?]) real?]{
> Returns the square of @racket[x], the result of
> multiplying @racket[x] by itself.
> @examples[#:eval evaluator (include-extracted-expressions)]}))
>
> into this:
>
> (begin
> (module+ test
> (check-equal? (square 5) 25))
> (module+ doc
> @defproc[(square [x real?]) real?]{
> Returns the square of @racket[x], the result of
> multiplying @racket[x] by itself.
> @examples[#:eval evaluator (square 5) (square -5)]}))
>
> That's the general idea anyway. I want to be able to gather arbitrary
> expressions inside a region and "copy" them into some other marked place
> inside the expressions. How exactly do I go about doing this, and how should
> I do it "properly"?
Re Alex: I ended up with some functions that just walk the syntax tree and
strip them out, seemed rather gross but it was all I could think of
Re Matthias: That definitely sounds better, at this stage I'm just fooling
around with all the possible approaches I can think of to get a better feel for
how the different forms behave.
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