Bridging the Gap between Academia and Industry: Transforming the Universal Variability Language to pure::variants and back -- Online Appendix

Variability models are used in Software Product Lines (SPLs) to explicitly capture the commonalities and variabilities of a set of software(-intensive) systems. Many variability modeling approaches have been developed in the last 30 years. Feature modeling and decision modeling are the most common approaches with many variants. Other, often domain-specific approaches developed by academia and industry exist. Despite multiple attempts, no standard variability modeling approach is currently available. This document is the online appendix of the paper Bridging the Gap between Academia and Industry: Transforming the Universal Variability Language to pure::variants and back. The paper presents how we implemented transformations between the commercial pure::variants and the Universal Variability Language (UVL). The pure::variants approach was originally presented in 2008 and since then developed and extended to become a commercially successful variability modeling tool. UVL is developed by the MODEVAR community and represents a first step towards a unified variability modeling approach. In the appendix, we present and describe the algorithms implemented based on the mapping table in the paper. With our work, we bridge the gap between academic and industrial variability modeling approaches and bring their tools closer together, e.g., allow academic models to be imported into pure::variants and industrial variability models into academic tools to experiment with the capabilities the different tools provide