Source Code to Build invokedynamic.jar

[BGB]

pardon my ignorance, but is there any plan to allow dynamic slot/field access?...


ok, I am starting out just implementing my own VM with little familiarity with this framework in general (at this point I have little idea if it will actually be compatible), my tweak was partly to add the ability to have usable fields in interfaces (AFAIK, this is not allowed in standard JVMs).

ok, from what info I can find, interfaces in my case work a little differently. there is actually almost no structural coupling between interfaces and object methods. instead, a set of hash tables is used, and the slot/method handle from the interface is used to lookup the appropriate method in the object via the hash tables (actually, a set of single largish hash tables is used for managing the entire object system).

at present, the object system doesn't bother to verify that classes implement interfaces.

(granted, some other much more questionable things are done with interfaces as well in my case...).


the result is that it is possible to have an interface that contains the fields in question, and use it to access the given slots in whatever object it is given, and I could go this route.

alternatively, it could also be possible to not have a valid class in the FieldRef (like leaving it NULL), and using this as a general indication to dynamically lookup the slot.


so, granted, people here probably wont care about anything I am doing, but it would be nice to have a clearer idea what the plans are.


  ----- Original Message ----- 
  From: John Rose 
  To: Da Vinci Machine Project 
  Sent: Wednesday, December 10, 2008 5:47 AM
  Subject: Re: Source Code to Build invokedynamic.jar


  We don't make an invokedynamic.jar.  (Unless Remi does?)  I think you are looking for JSR 223, not JSR 292.


  Good luck,
  -- John


  On Dec 9, 2008, at 10:56 AM, Bui, Phillip wrote:


    I look for the source code to build invokedynamic.jar for Jruby 1.1.5.
    Do you know the location ?

    Thanks,

    Phillip Bui
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