Re: Method call optimization.

[Chaim Frenkel]

>>>>> "GB" == Graham Barr <[EMAIL PROTECTED]> writes:

GB> On Wed, Aug 09, 2000 at 10:01:46AM -0400, Chaim Frenkel wrote:

>> For the "my Dog $spot" case, that's not an issue, compile time resolution.

GB> And why would an object of type Scotty which inherits from Dog not
GB> be valid to assign to $spot. And if Scotty overrides some methods
GB> you have a problem.

Not an issue. The offset to the vtbl would be the same. The same named
method would have the same slot.

>> But for the generic object. The package itself can contain an indirection
>> table. This would be that sparse table with the offset in the object vtbl.

GB> You mean like a hash, sounds familiar.

Yup. But the vtbl approach allows us to merge op calls and user sub calls
into one method.

<chaim>
-- 
Chaim Frenkel                                        Nonlinear Knowledge, Inc.
[EMAIL PROTECTED]                                               +1-718-236-0183