The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2001
Filed:
May. 22, 1998
Applicant:
Inventor:
Erik L. Eidt, Campbell, CA (US);
Assignee:
Apple Computer, Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/730 ;
U.S. Cl.
CPC ...
G06F 1/730 ;
Abstract
A method and apparatus perform optimizations for interface dispatching in an object-oriented programming environment. Specifically, section of code that dispatches an interface method on a particular object is determined. A table of interfaces associated with the class is examined to locate the interface specified by the dispatch. An offset for a location of the interface is determined, and the offset is cached in a class cache. The class cache is then examined when a next dispatch is received to determine whether the interface associated with the offset in the class cache matches the interface specified by the next dispatch.