The crosscutting impact of the AOSD Brazilian research community
Journal of Systems and Software
Software evolution visualization: A systematic mapping study
Information and Software Technology
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Code smells are anomalies often caused by the way concerns are realized in the source code. Their identification might depend on properties governing the structure of individual concerns and their inter-dependencies in the system implementation. Although code visualization tools are increasingly applied to support anomaly detection, they are mostly limited to represent modular structures, such as methods, classes and packages. This paper presents a multiple views approach that enriches four categories of code views with concern properties, namely: (i) concern’s package-class method structure, (ii) concern’s inheritance-wise structure, (iii)concern dependency, and (iv) concern dependency weight. An exploratory study was conducted to assess the extent to which visual views support code smell detection. Developers identified a set of well-known code smells on five versions of an open source system. Two important results came out of this study. First, the concern-driven views provided useful support to identify God Class and Divergent Change smells. Second, strategies for smell detection supported by the multiple concern views were uncovered.