Re: [Swig-user] SWIG for JavaScript to GWT ?

[David H. <dho...@gm...>]

Hi Oliver,

Thanks for the reply and consideration of this use case.  I understand it's
outside the normal SWIG domain, it was worth a shot to see if it was
possible, but understood.

-Dave


On Wed, Dec 11, 2013 at 6:20 PM, Oliver Buchtala <
oli...@go...> wrote:

>  Hi David,
>
> SWIG is only for creating native extensions for other/higher level
> languages.
> The input would be C/C++ library, the output would be a library (or source
> code) that can be integrated into the target engine.
> Your use-case is not in the domain of SWIG, sorry.
>
> Regards,
> Oliver
>
>
> On 11.12.2013 21:35, David Hoffer wrote:
>
> Maybe I misspoke or I don't understand your reply.  In this case there is
> no native code...at least not in the SWIG sense of native C/C++ code.
>  (From the perspective of GWT...JS is the native code.)
>
>  Rather from the perspective of SWIG the input is JS, it would parse that
> and generate the JSNI and Java code.  Both of those are standards...e.g.
> JSNI is the standard bridge between Java and JS just like JNI is the bridge
> between Java & C.
>
>  What's probably the hard part in this request is that JS is loosely
> typed so the trick would be to start with something that is loosely typed
> and generate a useful Java wrapper that is as typed as possible.  The good
> news is that the syntax of JS and Java are similar so that might help
> things a bit.
>
>  At the end of the day the goal is to take an existing JS library, have
> SWIG generate a GWT wrapper, and use that wrapper in a GWT application.  In
> turn the GWT compiler will ultimately compile everything back to JS.
>
>  -Dave
>
>
>
>
> On Wed, Dec 11, 2013 at 1:20 PM, Andy Somogyi <and...@gm...>wrote:
>
>> That would be great, but from what I understand, there is no standard way
>> of accessing native code from JS.
>>
>> There are a large number of JS engines, (V8, JavaSriptCore, FireFox
>> SpiderMonkey?, whatever Gnome and QT use).
>>
>> It really would be nice if there was a standard way to write native code
>> for JS, like COM or JNI.
>>
>>
>> On Dec 11, 2013, at 1:36 PM, David Hoffer wrote:
>>
>> > I'm looking for a tool that can create a GWT (Google Web Toolkit)
>> wrapper for JavaScript.  I've used SWIG many times in the past for C/C++ to
>> Java code wrapper generation.
>> >
>> > This usage would be similar except instead of C to JNI to Java it would
>> be JavaScript to JSNI to Java.
>> >
>> > Google made the JSNI layer very similar to JNI in concept.
>> >
>> > Has anyone at SWIG implement this?
>> >
>> > Thanks,
>> > -Dave
>>  >
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