Bruce, ahhh thank you, that was the missing piece of the puzzle. It works now!
Arve On Fri, Sep 12, 2014 at 12:05 PM, Bruce Mitchener <[email protected] > wrote: > You don't want to put your function inside the $RTAUDIO object. > > You'd just put it at top level in the LibraryRtAudio object. $RTAUDIO is > where you'll put shared internal stuff. > > - Bruce > > > On Fri, Sep 12, 2014 at 9:58 AM, Arve Knudsen <[email protected]> > wrote: > >> I need to write a shim for the C++ API RtAudio, i.e. the class RtAudio >> really. Your docs show how to write shims for C APIs (e.g. SDL), but not >> C++ APIs: >> http://kripken.github.io/emscripten-site/docs/porting/connecting_cpp_and_javascript/Interacting-with-code.html?highlight=webidl#implement-a-c-api-in-javascript. >> No idea how embind/webidl-binder would fit into this scenario. >> >> Anyhow, I wrote a (very) simple C wrapper for RtAudio, thus sidestepping >> the C++ issue, so I can just write a C API shim. I try to implement a >> single C function, rtaudio_initialize, in JavaScript, but it's not found by >> the generated JavaScript (chuck.js). I can tell that the shim (or >> JavaScript library) is used when building however, since I can have it >> break the build by throwing an exception. Why is my JS implementation of >> rtaudio_initialize not found?? >> >> My shim can be seen here: >> https://github.com/aknuds1/chuck/blob/emscripten/src/emscripten/shims/rtaudio.js, >> and it's incorporated in the build via the --js-library option to >> emcc: --js-library emscripten/shims/rtaudio.js. >> >> Thanks, >> Arve >> >> On Fri, Sep 12, 2014 at 11:31 AM, Alon Zakai <[email protected]> wrote: >> >>> What do you mean by "shim a C++ API"? And in what way are embind and the >>> webidl-binder not sufficient? >>> >>> - Alon >>> >>> >>> On Thu, Sep 11, 2014 at 7:29 PM, Arve Knudsen <[email protected]> >>> wrote: >>> >>>> I can't see that those docs mention how to shim a C++ API in >>>> JavaScript? There is a section on C API though, and how to integrate your >>>> shims, so that's helpful at least. Is it simply not possible to shim a C++ >>>> API? If so, I'll have to write a C wrapper instead I guess. >>>> >>>> Arve >>>> >>>> >>>> On Fri, Sep 12, 2014 at 11:17 AM, Alon Zakai <[email protected]> >>>> wrote: >>>> >>>>> General docs on that are at >>>>> http://kripken.github.io/emscripten-site/docs/porting/connecting_cpp_and_javascript/Interacting-with-code.html?highlight=webidl >>>>> >>>>> In particular if you are going to use C++ classes from JS, you >>>>> probably want embind or webidl-binder. >>>>> >>>>> - Alon >>>>> >>>>> >>>>> On Thu, Sep 11, 2014 at 7:02 PM, Arve Knudsen <[email protected]> >>>>> wrote: >>>>> >>>>>> Hi guys >>>>>> >>>>>> As pertaining my previous more general question about writing >>>>>> Emscripten shims, I have a more specific follow-up question. How can I >>>>>> write an Emscripten shim library to mimic the RtAudio C++ class >>>>>> constructor >>>>>> ( >>>>>> http://www.music.mcgill.ca/~gary/rtaudio/classRtAudio.html#afd0bfa26deae9804e18faff59d0273d9)? >>>>>> And how do I integrate said shim into my build, so that invoking the >>>>>> constructor works? The shim will eventually need to do more than just >>>>>> mimic >>>>>> the constructor of course, but that would be a superb start. >>>>>> >>>>>> For context, what I'm trying to do is to port the ChucK music >>>>>> programming language to JS, my GitHub project can be found here (branch >>>>>> emscripten): https://github.com/aknuds1/chuck/tree/emscripten. The >>>>>> README includes instructions on how to build with Emscripten. >>>>>> >>>>>> Let me know if you need to know more. >>>>>> >>>>>> Best, >>>>>> Arve >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "emscripten-discuss" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "emscripten-discuss" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "emscripten-discuss" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "emscripten-discuss" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "emscripten-discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. 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