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A Formal Approach to Fixing Bugs

  • Sara Kalvala
  • Richard Warburton
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7021)

Abstract

Bugs within programs typically arise within well-known motifs, such as complex language features or misunderstood programming interfaces. Some software development tools often detect some of these situations, and some integrated development environments suggest automated fixes for some of the simple cases. However, it is usually difficult to hand-craft and integrate more complex bug-fixing into these environments. We present a language for specifying program transformations which is paired with a novel methodology for identifying and fixing bug patterns within Java source code. We propose a combination of source code and bytecode analyses: this allows for using the control flow in the bytecode to help identify the bugs while generating corrected source code. The specification language uses a combination of syntactic rewrite rules and dataflow analysis generated from temporal logic based conditions. We demonstrate the approach with a prototype implementation.

Keywords

Source Code Model Check Temporal Logic Java Program Side Condition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Sara Kalvala
    • 1
  • Richard Warburton
    • 1
  1. 1.Department of Computer ScienceUniversity of WarwickUK

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