John Rose a écrit :
> I've posted a simple working "recipe" for an invokedynamic use case,
> here:
>
> http://blogs.sun.com/jrose/entry/simple_java_linkage_with_invokedynamic
>
> If you've tried to build the JVM from the indy.patch lately, you know
> it is rather out of date. I'm working to refresh that, so the blog
> recipes can be easily run. Please stay tuned...
>
> My goal is to validate the JSR 292 design by trying the reference
> implementation on (what I hope are) a canonical set of use cases.
>
> I also want to work toward integrating JSR 292 with the next layer up,
> probably Attila's MOP.
>
> Your suggestions would be welcome...
>
> Enjoy!
> -- John
>
Hi John,
I've noticed that you don't say how the bootstrap method is found from a
call site.
I wonder if the bootstrap method can not be encoded
directly in the invokedynamic bytecode instruction, using the empty slots
to encode a Method_Ref.
38: aload_1
39: invokedynamic #9, #12; //NameAndType
getName:(Ljava/io/File;)Ljava/lang/String;
//Method
bootstrapDynamic:(Ljava/dyn/CallSite;[Ljava/lang/Object;)Ljava/lang/Object
44: astore_3
Yo use an analogy, in Java there are differents method invocation semantics,
why not let the other language specify different kind of method
invocation semantics
by allowing different bootstrap methods.
cheers,
Rémi
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