Treffer: Automatic Dimension Inference and Checking for Object-Oriented Programs.

This paper introduces UniFi, a tool that attempts to automatically detect dimension errors in Java programs. UniFi infers dimensional relationships across primitive type and string variables in a program, using an inter-procedural, context-sensitive analysis. It then monitors these dimensional relationships as the program evolves, flagging inconsistencies that may be errors. UniFi requires no programmer annotations, and supports arbitrary program-specific dimensions, thus providing fine-grained dimensional consistency checking. UniFi exploits features of object-oriented languages, but can be used for other languages as well. We have run UniFi on real-life Java code and found that it is useful in exposing dimension errors. We present a case study of using UniFi on nightly builds of a 19,000 line code base as it evolved over 10 months. [ABSTRACT FROM AUTHOR]

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