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In this paper we suggest a three-language (3L) paradigm for building the program generator models. The basis of the paradigm is a relationship model of the specification, scripting and target languages. It is not necessary that all three languages would be the separate ones. We consider some internal relationship (roles) between the capabilities of a given language for specifying, scripting (gluing) and describing the domain functionality. We also assume that a target language is basic. We introduce domain architecture (functionality) with the generic components usually composed using the scripting and target languages. The specification language is for describing user's needs for the domain functionality to be extracted from the system. We present the framework for implementing the 3L paradigm and some results from the experimental systems developed for a validation of the approach.

This paper presents the framework for well-understood domain analysis as a decisive stage for the successive process of domain-specific software tools building. Specific features of the well-understood domain analysis are formulated. Initial model of the tools to be built and the analysis process are described. Analysis is performed with the reusability concept in mind and as a result essential domain knowledge is extracted. The latter is defined by a term “domain knowledge template”.