On Saturday, January 23, 2016 at 11:09:50 AM UTC+3, Alexey Andreev wrote:
>
>
>> Famous TeaVM also can`t do that, unfortunately.
>>
> You are wrong. You can do that via @JSIndexer
> <https://github.com/konsoletyper/teavm/wiki/Interacting-with-JavaScript#wrapping-indexers>
>
> annotation.
>
Sorry for by bad english.
I meant a different thing.
Consider
class A {
int [] computeInJava() {...};
}
class B {
native void aJsMethod(int data[]) /*- expect reference to original
Int32Array in the argument -*/;
}
b.aJsMethod(a.computeInJava());
It is not possible to do such things neither in GWT, nor in TeaVM.
Not TeaVM, not GWT does not allow passing java arrays as native arrays to
native JS code without making a copy.
Also, did you try to write benchmarks before claiming that wrapper slows
> down performance? V8 performs sophisticated performance optimizations.
>
You are very right, there is no point talking about performance without
real numbers.
I will reply when I write a test and have a results.
Thanks
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