Use of JDK interanl ASM vs external

[Attila Szegedi]

With Nashorn, we're language implementers who happen to have their runtime shipped as part of the JRE. For better or worse, we need to have our dependencies shipped with it, hence a privately bundled ASM. We have a somewhat unique deployment model, if you wish. It is still OW2 Consortium's ASM, so we don't get any toys that you wouldn't get if you included a copy of ASM with your runtime. I saw Remi mentioning that the bundled ASM supposedly has some methods elevated to public level, but I honestly am not aware of that in my usage of it. So, I'm not really aware of any toys we keep for ourselves. I've been talking about "dynamic bytecode toolkit" at various conferences, but that's work I want to tackle in the future, we don't have that yet, unfortunately (I'd be thrilled if I woke up and it was there, 'cause it'd mean I wrote it in my sleep :-) )

Attila.

On Feb 18, 2015, at 10:34 PM, Mark Roos <mroos at roos.com> wrote:

> A statement from Remi defined the reason for my original question very well. 
> 
>         the ASM packages are only 
>        re-exported [1] for nashorn 
> 
> Like the Nashorn folks I am building a language using the jvm for which it  would 
> be helpful if there was a standard api for bytecode writing.  One which kept up 
> with the movement of the jvm and was focused on the needs of language writers. I 
> am jealous that these folks get toys that I only hear talks on. 
> 
> While I understand the desire to hide the internals of Java from the users of the 
> language, my preference would be for a way to open these internals for those of 
> us more interested in targeting the jvm.  Perhaps similar to how Nashorn has 
> the exports enabled.   
> 
> regards 
> mark 
> 
> p.s.   Nice usage of Star Wars quote :) 
> 
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