A structured approach to language design |
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Authors: | V. R. Basili |
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Affiliation: | Computer Science Department, University of Maryland, College Park, Maryland 20742, U.S.A. |
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Abstract: | This report is an attempt at systematizing a set of ground rules for high-level language design. It recommends the use of a hierarchical semantic model schema. HGL, in a step by step, top-down approach imposing more and more structure on the language components as the design becomes solidified. The approach is demonstrated by showing the stepwise design of the high-level language, GRAAL. The method recommended is divided into three major phases. The first is an informal one. The second is encoding the language components into a very high-level model. This high-level design allows a redesign of language components before they have been specified at too detailed a level. The third phase is to design the compiler in HGL using the final language design. |
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Keywords: | High-level language design Design methodology Language modeling Hierarchichal graph models Sets Graphs |
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