Abstract
In this paper we present the main concepts of a domain-specific aspect language for specifying cross-cutting concerns of MATLAB programs, together with a suite of metrics that is capable of assessing the overall advantage of introducing aspects in the development cycle of MATLAB software. We present the results of using our own suite to quantify the advantages of using aspect oriented programming, both in terms of programming effort and code quality. The results are promising and show a good potential for aspect oriented programming in MATLAB while our suite proves to be capable of analyzing the overall characteristics of MATLAB solutions and providing interesting results about them.

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Strategic term re-writing and attribute grammars are two powerful programming techniques widely used in language engineering. The former relies on strategies to apply term re-write rules in defining large-scale language transformations, while the latter is suitable to express context-dependent language processing algorithms. These two techniques can be expressed and combined via a powerful navigation abstraction: generic zippers. This results in a concise zipper-based embedding offering the expressiveness of both techniques. Such elegant embedding has a severe limitation since it recomputes attribute values. This paper presents a proper and efficient embedding of both techniques. First, attribute values are memoized in the zipper data structure, thus avoiding their re-computation. Moreover, strategic zipper based functions are adapted to access such memoized values. We have implemented our memoized embedding as the Ztrategic library and we benchmarked it against the state-of-the-art Strafunski and Kiama libraries. Our first results show that we are competitive against those two well established libraries. © 2023 ACM.

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