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May 2002

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[tr-announce] AIB: Interfaces with Default Implementations in Java
by Volker Stolz 01 May '02

01 May '02

The following technical report is available from http://aib.informatik.rwth-aachen.de/: Markus Mohnen Interfaces with Default Implementations in Java 2002-09 Abstract: With the interface construct, Java features a concept with high potential for producing reusable code: Java's interfaces allow the definition of class properties independently of class inheritance. We propose an extension of Java for providing default implementations in interfaces. Default implementations are useful since they reduce the effort required to implement an interface. They are especially interesting if there is a canonical way to implement methods of the interface in terms of some other methods. In these cases, an implementation can be obtained by implementing the base methods and use the default implementations of the other methods. We discuss the rationale for our design and show that the extension can be implemented both efficiently and conservatively, i.e. without modification of the Java virtual machine. Regards, Volker --

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[tr-announce] AIB: An Open Framework for Data-Flow Analysis in Java
by Volker Stolz 01 May '02

01 May '02

The following technical report is available from http://aib.informatik.rwth-aachen.de/: Markus Mohnen An Open Framework for Data-Flow Analysis in Java 2002-08 Abstract: We describe work in progress on a framework for data-flow based program analysis. By using this framework, researchers and developers can easily implement analyses, test their correctness, and evaluate their performance. In addition, the framework allows the definition of intraprocedural analyses for Java Virtual Machine (JVM) code on a high level of abstraction. The framework is provided as a set of APIs for Java. Through the extensive use of Java interface concept, we established an open framework: For instance, specific implementations of abstract domains can easily be used in our framework. Regards, Volker --

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