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| Content Provider | ACM Digital Library |
|---|---|
| Author | De Volder, Kris Chern, Rick |
| Abstract | Modern source-level debuggers support dynamic breakpoints that are guarded by conditions based on program state. Such breakpoints address situations where a static breakpoint is not sufficiently precise to characterise a point of interest in program execution. However, we believe that current IDE support for dynamic breakpoints are cumbersome to use. Firstly, guard conditions formulated in (non-aspect-oriented) source-languages cannot directly express control-flow conditions, forcing developers to seek alternative formulations. Secondly, guard-conditions can be complex expressions and manually typing them is cumbersome.We present the Control-flow Breakpoint Debugger (CBD). CBD uses a dynamic pointcut language to characterise control-flow breakpoints---dynamic breakpoints which are conditional on the control-flow through which they were reached. CBD provides a "point-and-click" GUI to specify and incrementally refine control-flow breakpoints, thereby avoiding the burden of manually editing the potentially complex expressions that define them.We performed 20 case studies debugging and fixing documented bugs in 3 existing applications. Our results show that dynamic breakpoints in general are useful in practice, and that CBD's GUI allows specifying them adequately in the majority of cases. |
| Starting Page | 96 |
| Ending Page | 106 |
| Page Count | 11 |
| File Format | |
| ISBN | 1595936157 |
| DOI | 10.1145/1218563.1218575 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2007-03-14 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Case studies Debugger interface Pointcut language |
| Content Type | Text |
| Resource Type | Article |
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