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Many automated software engineering tools require tight integration of techniques for source code analysis and manipulation. State-of-the-art tools exist for both, but the domains have remained notoriously separate because different computational paradigms fit each domain best. This impedance mismatch hampers the development of each new problem solution(More)
Dedicated to Jan Willem Klop on the occasion of his 60th anniversary. Term rewriting is in the intersection of our interests and physical distance has never been large. Nonetheless we seem to be living at opposite ends of the term rewriting galaxy. Here is a story from the other side of that galaxy. Abstract. We explore the connection between term rewriting(More)
CWI's research has a theme-oriented structure and is grouped into four clusters. Listed below are the names of the clusters and in parentheses their acronyms. ABSTRACT In component-based product populations, feature models have to be described at the component level to be able to benefit from a product family approach. As a consequence, composition of(More)
Language workbenches are tools that provide high-level mechanisms for the implementation of (domain-specific) languages. Language workbenches are an active area of research that also receives many contributions from industry. To compare and discuss existing language workbenches, the annual Language Workbench Challenge was launched in 2011. Each year,(More)
Object algebras are a new programming technique that enables a simple solution to basic extensibility and modularity issues in programming languages. While object algebras excel at defining modular features, the composition mechanisms for object algebras (and features) are still cumbersome and limited in expressiveness. In this paper we leverage two(More)
The meta-environment is a flexible framework for language development, source code analysis and source code transformation. We highlight new features and demonstrate how the system supports key functionalities for software evolution: fact extraction, software analysis, visualization, and software transformation
API migration refers to adapting an application such that its dependence on a given API (the source API) is eliminated in favor of depending on an alternative API (the target API), where both APIs serve the same domain. One may attempt to automate API migration by code transformation or wrapping of some sort. API migration is relatively well understood for(More)