On the Role of Language Constructs for Framework Design

G. Hedin, J. L. Knudsen

To appear in ACM Computing Surveys, Symposium on Object-Oriented Application Frameworks


The relationship between framework design and language constructs are discussed for two reasons: firstly, designing frameworks requires the ability to give the framework designer precise control over aspects of the framework extensions; secondly, the framework constraints should be specified such that they are statically checkable. Four existing language constructs are discussed: generalized block structure, generalized inheritance, generalized virtuality, and singular objects. It is discussed how these language constructs give precise means for controlling the framework extensions in statically checkable ways.

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A longer version of this paper will appear in the book Implementing Application Frameworks: Object-Oriented Frameworks at Work [Abstract (html)].