CNI vs interfaces

[Bryce McKinlay]

One of the current deficiencies of CNI is the inability to call
interface methods from C++ code.

It should be fairly trivial to get the C++ compiler to generate an
interface table rather than vtable lookup, but the question is how to
get it to recognise that a given java reference is, in fact, an
interface reference. Currently, as far as I can tell, gcjh provides no
way for C++ to distinguish between an interface and a regular class.

One way might be to make a dummy "JInterface" C++ class and have gcjh
make interfaces inherit from this in addition to java.lang.Object. Would
this work? Or is there a better option?

regards

  [ bryce ]