JEP 276: Dynamic Linking of Language-Defined Object Models (original) (raw)

Andrew Haley aph at redhat.com
Sun Oct 18 08:55:19 UTC 2015

On 10/18/2015 09:49 AM, Jochen Theodorou wrote:

* Invokedynamic (like invokeinterface and invokevirtual) does not like calls with null as receiver, quitting the call right away with a NPE. But languages may allow for calls on null. That again means some kind of dummy receiver is required, if this is supposed to work.

Wouldn't you just insert a null pointer check? That's surely going to be faster (if it's used) than the runtime taking a NullPointerException. And you don't want the runtime to have to trap for null when many languages don't need it.

Andrew.

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