Rémi Forax skrev:
> Wow ...
> So this code will create a forever loop and not a StackOverflowError ?
>
> MethodHandle target=MethodHandles.exactInvoker(
> MethodType.make(void.class));
> MethodHandle combiner=lookup().findVirtual(ThisClass, "combine",
> MethodType.make(MethodHandle.class));
> ...
> MethodHandle combine() {
> System.our.println("loop");
> return MethodHandles.combineArguments(target, 0, combiner);
> }
> ...
> combiner.invoke();
>
I assume that you mean combine().invoke() ? :-)
When I read the spec, the method handle invocations is specified to
behave "as if" an
invokestatic/invokespecial/invokevirtual call was made. This means that,
most
likely the JVM will throw a StackOverflowError. Unless the JVM has
implemented
tail recursion. I.e. it is not specified.
//Fredrik
> Is it the behavior of the hotspot implementation or the one required
> by the spec ?
>
>
>> I expect to implement guardWithTest on top of combineArguments.
>>
>> -- John
>>
>>
> Rémi
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> mlvm-dev@openjdk.java.net
> http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev
>
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