Method and apparatus for subclassing system object model classes in dynamic languages
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Dec 4, 1995
filing date -
Dec 4, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for subclassing System Object Model (SOM) class objects for a dynamic object-oriented language. A proxy class object is created using the dynamic language that points to the SOM class object. Next, a dynamic language subclass is created. This is followed by the creation of a SOM class object using the SOM interface, which causes certain SOM methods to be overridden by dynamic language redispatch stubs. The dynamic language overrides the SOM dispatch procedures and replaces the dispatcher with its own procedures. The new dispatch procedure will search for a method in the dynamic language class object method table first in response to a message, and if not found, redirects the message to the SOM environment.
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