Implementation of language enhancements

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Abstract

Data abstractions have been proposed as a means to enhance program modularity. The implementation of such new features to an existing language is typically handled by either rewriting large portions of an existing compiler or by using a preprocessor to translate the extensions into the standard language. The first technique is expensive to implement while the latter is usually slow and clumsy to use. In this paper a data abstraction addition to PL 1 is described and a hybrid implementation is given. A minimal set of primitive features are added to the compiler and the other extensions are added via an internal macro processor that expands the new syntax into the existing language. © 1981.

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APA

Zelkowitz, M. V., & Lyle, J. R. (1981). Implementation of language enhancements. Computer Languages, 6(3–4), 139–153. https://doi.org/10.1016/0096-0551(81)90026-6

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