Efficient virtual function call for compiled/interpreted environments
CA 2355990 A1 · Owner: Johnson, Graeme · Inventors: Johnson, Graeme; Wang, Julian Z.L.; Stoodley, Kevin A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Virtual function calls in hybrid compiled and interpreted computer programming environments are, carried out efficiently by dual virtual function tables. Each class object generated is provided with, a compiled virtual function table and an interpreted virtual function table. Each table is, symmetrically structured and contiguous with the class object. Calls from an interpreted function, access the interpreted virtual function table. Entries in that table point to function data structures, which provide for the interpretation of the called function or for transfer , to execution of a compiled version of the called function. Calls from a compiled function access the compiled virtual …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 2023.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.