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Previous approaches extract low-level non-hierarchical object graphs that do not provide architectural abstraction, change the language too radically for many existing implementations, or use a dynamic analysis. Static analysis, which takes all possible executions into account, is essential to extract a sound architecture, one that reveals all entities and relations that could possibly exist at runtime.
Ownership domain type annotations specify in code architectural intent related to object encapsulation and communication. We propose a static analysis that leverages such types and extracts a hierarchical approximation of all possible runtime object graphs. The representation provides architectural abstraction, first by ownership hierarchy, and then by types. We proved core soundness results for the technique and evaluated it on 68 KLOC of real code.
START Conference Manager (V2.56.8 - Rev. 399)