DELTAECORE

Delta modeling is an approach to structured reuse within software product lines. Delta modules manifest changes associated with different configurations in realization artifacts, such as source code, by adding, modifying or removing affected elements. However, a dedicated delta language is required for each realization language, e.g., DeltaJava for Java. DeltaEcore is a tool suite for swift creation of delta languages that can seamlessly be integrated into the provided variant derivation procedure of a software product line... Tool suite supports creation of delta languages and definition of delta-oriented software product lines with variant derivation... A custom delta language is the combination of the common base delta language with a delta dialect specific to the source language

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