BugFix: A learning-based tool to assist developers in fixing bugs

13 years 11 months ago

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We present a tool called BugFix that can assist developers in ﬁxing program bugs. Our tool automatically analyzes the debugging situation at a statement and reports a prioritized list of relevant bug-ﬁx suggestions that are likely to guide the developer to an appropriate ﬁx at that statement. BugFix incorporates ideas from machine learning to automatically learn from new debugging situations and bug ﬁxes over time. This enables more effective prediction of the most relevant bug-ﬁx suggestions for newlyencountered debugging situations. The tool takes into account the static structure of a statement, the dynamic values used at that statement by both passing and failing runs, and the interesting value mapping pairs [17] associated with that statement. We present a case study illustrating the efﬁcacy of BugFix in helping developers to ﬁx bugs.

Dennis Jeffrey, Min Feng, Neelam Gupta, Rajiv Gupt

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