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Automated Software Engineering manuscript No. (will be inserted by the editor)
 

Summary: Automated Software Engineering manuscript No.
(will be inserted by the editor)
Type Safety for Feature-Oriented Product Lines
Sven Apel · Christian Kästner · Armin
Größlinger · Christian Lengauer
the date of receipt and acceptance should be inserted later
Abstract A feature-oriented product line is a family of programs that share a common set
of features. A feature implements a stakeholder's requirement and represents a design deci-
sion or configuration option. When added to a program, a feature involves the introduction
of new structures, such as classes and methods, and the refinement of existing ones, such
as extending methods. A feature-oriented decomposition enables a generator to create an
executable program by composing feature code solely on the basis of the feature selection
of a user ­ no other information needed. A key challenge of product line engineering is to
guarantee that only well-typed programs are generated. As the number of valid feature com-
binations grows combinatorially with the number of features, it is not feasible to type check
all programs individually. The only feasible approach is to have a type system check the
entire code base of the feature-oriented product line. We have developed such a type system
on the basis of a formal model of a feature-oriented Java-like language. The type system
guaranties type safety for feature-oriented product lines. That is, it ensures that every valid
program of a well-typed product line is well-typed. Our formal model including type system

  

Source: Apel, Sven - Fakultät für Informatik und Mathematik, Universität Passau

 

Collections: Computer Technologies and Information Sciences