Enriching Reverse Engineering with Annotations

Brühlmann, Andrea; Girba, Tudor Adrian; Greevy, Orla; Nierstrasz, Oscar Marius (2008). Enriching Reverse Engineering with Annotations. In: Czarnecki, Krzysztof; Ober, Ileana; Bruel, Jean-Michel; Uhl, Axel; Völter, Markus (eds.) Model Driven Engineering Languages and Systems. Proceedings. Lecture Notes in Computer Science: Vol. 5301 (pp. 660-674). Heidelberg: Springer Verlag 10.1007/978-3-540-87875-9_46

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Much of the knowledge about software systems is implicit, and therefore difficult to recover by purely automated techniques. Architectural layers and the externally visible features of software systems are two examples of information that can be difficult to detect from source code alone, and that would benefit from additional human knowledge. Typical approaches to reasoning about data involve encoding an explicit meta-model and expressing analyses at that level. Due to its informal nature, however, human knowledge can be difficult to characterize up-front and integrate into such a meta-model. We propose a generic, annotation-based approach to capture such knowledge during the reverse engineering process. Annotation types can be iteratively defined, refined and transformed, without requiring a fixed meta-model to be defined in advance. We show how our approach supports reverse engineering by implementing it in a tool called Metanool and by applying it to (i) analyzing architectural layering, (ii) tracking reengineering tasks, (iii) detecting design flaws, and (iv) analyzing features.

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