Maintenance of proprietary languages and corresponding tooling is expensive. Postponing maintenance to reduce these costs is an often applied, short-term solution which eventually may lead to an unoperational toolset. This paper describes a case study carried out in cooperation with Lucent Technologies where maintenance cost is decreased by simplifying the development process of languages and tools. The development process is simplified by using a language-centered software engineering approach which increases software reuse and language dependent code generation. The case study was concerned with Lucent's proprietary {sc sdl dialect and involved the re-engineering of an {sc sdl grammar and the construction of an {sc sdl documentation generator.

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Software Engineering [SEN]
Software Analysis and Transformation

de Jonge, M., & Monajemi, R. (2001). Cost-effective maintenance tools for proprietary languages. Software Engineering [SEN]. CWI.