Importance

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Abstract

Method and system for incrementally processing a source representation of a set of objects into intermediate representation is disclosed. The invention is used after the objects have been processed once and, therefore, have a previous intermediate representation. The object of the invention is to re-process only those objects which have been changed in some way when a modification is made. Each changed facet of a changed object is selected in turn for processing. If the selected changed facet affects the object itself, then the previous intermediate representation of the object is modified. If the selected changed facet affects objects referencing or being referenced by the first object, then the references to the first object are detached and the intermediate representation of the objects referencing or being referenced by the object are modified accordingly. If the selected changed facet modifies an attribute of other objects, due to inter-relationships such as inheritance, etc., recursively propagate the change to the intermediate representations of the objects in the affected objects by repeating the propagating step for each of the affected objects until the attribute changes to each modified object have been propagated to all affected objects. Semantic checking is then performed on each of the objects changed.

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