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Despite many advances in program comprehension, polymorphism and inheritance are still the cause of many misunderstandings in object-oriented code. In this paper, we present a suite of such concrete, recurrent patterns where particular ways of using inheritance and polymorphism can easily mislead developers and maintainers during software understanding activities. We define these as comprehension...
Due to the software aging phenomenon, understanding a program is increasingly difficult. Many high-level analysis methods have been developed to support program comprehension, some of them based on dataflow analysis. Conventional dataflow analysis infrastructures could be used as a basis to implement these reverse engineering methods. However, none of them meet specific reverse engineering requirements...
Several reengineering environments have been created to provide for a unified infrastructure in which various approaches can be employed together. While the collaboration between tools is very strong within such environments, currently the inter-environmental collaboration is very weak and happens mainly at the level of data-files exchange. Consequently, the different groups of researchers are only...
In the last years, as object-oriented software systems have become more and more complex, the need of performing automatically reverse engineering upon such systems has significantly increased. It is well known that one step toward a research infrastructure accelerating the progress of reverse engineering is the creation of an intermediate representation of software systems. In the current demonstration...
Object-oriented legacy systems are hard to maintain because they are hard to understand. One of the main understanding problems is revealed by the so-called "yo-yo effect" that appears when a developer or maintainer wants to track a polymorphic method call. At least part of this understanding problem is due to the dual nature of the inheritance relation i.e., the fact that it can he used...
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