On Sun, Sep 1, 2013 at 8:22 AM, Laurent <laurent.ors...@gmail.com> wrote:
> On Sun, Sep 1, 2013 at 2:54 AM, Robby Findler <ro...@eecs.northwestern.edu > > wrote: > >> Also, this might help with the dynamic-require approach: >> >> >> http://docs.racket-lang.org/tools/drracket_get_extend.html?q=drracket%3Aget/extend%3Adisallow-re-extension%21#%28def._%28%28lib._drracket%2Ftool-lib..rkt%29._drracket~3aget%2Fextend~3adisallow-re-extension%21%29%29 >> > > Interesting! Looks like it could gain a lot of time. > So I tried (but failed) to write a simple tool tester. > > #lang racket/base > (require drracket/tool > drracket/private/drsig > drracket/tool-lib ; will open a new DrRacket frame at the end! > racket/unit) > > ; The magic line > (drracket:get/extend:allow-re-extension!) > > (define tool (dynamic-require "my-tool.rkt" 'tool@)) > (define-values/invoke-unit tool > (import drracket:tool^)) > > where my-tool.rkt contains the example code at the bottom of: > http://docs.racket-lang.org/tools/implementing-tools.html > > But I'm very unsure about the unit stuff (first time with that, the Guide > didn't help a lot here) and I the following error: > drracket:debug:make-debug-eval-handler: unbound identifier in module in: > drracket:debug:make-debug-eval-handler > I don't know what to do about them (requiring some other files or adding > imports in the invoke-unit did not help). > > What is weird is that if I remove the unit related stuff in my-tool.rkt, > and add: > > (require drracket/tool-lib) > (drracket:get/extend:allow-re-extension!) > > right before the drracket:get/extend:... lines, it works (opens a new > frame with the new tool installed). > > Robby, it seems that there is not much to do to make it work, right? > > The probably you're seeing with the define-values/invoke-unit line has to do with the fact that I've let the drracket:tool^ signature and the exports of drracket/tool-lib get way out of sync. I've brought them mostly back in sync with a recent push but there seems to be a small problem with units that stands in the way of that line actually working. But at least some progress happened here.... Robby
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