Evolution in software product lines: Two cases
Journal of Software Maintenance: Research and Practice
Software Reflexion Models: Bridging the Gap between Design and Implementation
IEEE Transactions on Software Engineering
Granularity in software product lines
Proceedings of the 30th international conference on Software engineering
Dead or Alive: finding zombie features in the Linux kernel
FOSD '09 Proceedings of the First International Workshop on Feature-Oriented Software Development
An analysis of the variability in forty preprocessor-based software product lines
Proceedings of the 32nd ACM/IEEE International Conference on Software Engineering - Volume 1
Efficient extraction and analysis of preprocessor-based variability
GPCE '10 Proceedings of the ninth international conference on Generative programming and component engineering
Partial preprocessing C code for variability analysis
Proceedings of the 5th Workshop on Variability Modeling of Software-Intensive Systems
Analyzing the discipline of preprocessor annotations in 30 million lines of C code
Proceedings of the tenth international conference on Aspect-oriented software development
Reverse engineering feature models
Proceedings of the 33rd International Conference on Software Engineering
An overview of techniques for detecting software variability concepts in source code
ER'11 Proceedings of the 30th international conference on Advances in conceptual modeling: recent developments and new directions
Analyzing the Source Code of Multiple Software Variants for Reuse Potential
WCRE '11 Proceedings of the 2011 18th Working Conference on Reverse Engineering
Identifying improvement potential in evolving product line infrastructures: 3 case studies
Proceedings of the 16th International Software Product Line Conference - Volume 1
Mining complex feature correlations from software product line configurations
Proceedings of the Seventh International Workshop on Variability Modelling of Software-intensive Systems
Variability evolution and erosion in industrial product lines: a case study
Proceedings of the 17th International Software Product Line Conference
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Successful Software Product Lines (SPLs) evolve over time. However, one practical problem is that during SPL evolution the core assets, especially the code, tend to become complicated and difficult to understand, use, and maintain. Typically, more and more problems arise over time with implicit or already lost adaptation knowledge about the interdependencies of the different system variants and the supported variability. In this paper, we present a model-based SPL improvement process that analyzes existing large-scale SPL reuse infrastructure to identify improvement potential with respective metrics. Since Conditional Compilation (CC) is one of the most widely used mechanisms to implement variability, we parse variability-related facts from preprocessor code. Then we automatically extract an implementation variability model, including product configuration and variation points that are structured in a hierarchical variability tree. The extraction process is presented with concrete measurement results from an industrial case study.