Extending Software Change Impact Analysis into COTS Components
SEW '02 Proceedings of the 27th Annual NASA Goddard Software Engineering Workshop (SEW-27'02)
An Implementation of and Experiment with Semantic Differencing
ICSM '01 Proceedings of the IEEE International Conference on Software Maintenance (ICSM'01)
Empirical-based recovery and maintenance of input error-correction features
Journal of Software Maintenance and Evolution: Research and Practice
Dependence clusters in source code
ACM Transactions on Programming Languages and Systems (TOPLAS)
Proceedings of the 9th ACM SIGPLAN-SIGSOFT workshop on Program analysis for software tools and engineering
Effective false positive filtering for evolving software
Proceedings of the 4th India Software Engineering Conference
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Visual impact analysis is a software visualisation technique that lets software maintainers judge the impact of proposed changes and plan maintenance accordingly. An existing CASE tool uses a directed acyclic graph display derived from decomposition slicing of a program for visual impact analysis. In this paper, we analyse the graph display and show that it is semantically ambiguous and fails to show important information. We propose requirements for an improved display based on a definition of "interference" between variables in a maintenance context. The design for a new display is presented, with a series of examples to illustrate its effectiveness. The display is focused on providing a straightforward method to analyse the impact of changes.