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The Moldable Debugger, SLE 2014
- 1. The Moldable Debugger A Framework for Developing Domain-Specific Debuggers Andrei Chiș University of Bern @chis_andrei andreichis.com Tudor Gîrba CompuGroup Medical Schweiz AG @girba tudorgirba.com Oscar Nierstrasz University of Bern @onierstrasz scg.unibe.ch/staff/oscar
- 2. Roadmap 1 2 Debugging needs Motivating examples The Moldable Debugger Domain-specific Activation predicates extensions 2 3 4 5
- 3. Object-oriented applications use objects to express a model of the business domain 3
- 4. 4
- 5. 5
- 6. 6
- 7. Mind the abstraction gap 7
- 8. A publisher/subscriber framework aSubscriber aSubscriber aSubscriber 8 2. Publish an event aDispatcher 1. Subscribe for events 3. Deliver the event aPublisher
- 9. Pressing CMD+s in an editor 1. Register for CMD+s event 2. press CMD+s aDispatcher 3. Deliver CMD+s event aUser aTextEditor ... 9
- 10. 10
- 11. 11
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- 15. 15
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- 18. 18
- 19. 19
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- 21. 21
- 22. 22
- 23. PetitParser identifier letter , (letter / digit) * , letter * / letter digit 23
- 24. IdentifierParser new parse: 'aLong32Identifier' 24
- 25. 25
- 26. 26
- 27. 27
- 28. 28
- 29. 29
- 30. 30
- 31. 31
- 32. The Moldable Debugger 32
- 33. 33
- 34. Debugging widgets Debugging actions 34
- 35. 35
- 36. Next subscription Selected subscription 36
- 37. 37
- 38. Next parser Next production Production(aproduction) Next failure Stream position(anInteger) Stream position changed 38
- 39. Domain specific-extension * * 39 Debugging Widget Debugging View Debugging Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate *
- 40. Domain specific-extension * * 40 Debugging Widget Debugging View Debugging Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate *
- 41. Domain specific-extension Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * 41
- 42. Domain specific-extension Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * StepTo NextParser StepTo NextProduction StepTo NextFailure ... 42
- 43. Petit Parser Events 43
- 44. Petit Parser Events SUnit Glamour 43
- 45. Size of extensions in LOC 44
- 46. 45
- 47. Activation predicate Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * Activation Predicate 46
- 48. Activation predicate Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * Activation Predicate 47
- 49. Petit Parser Events SUnit Glamour 48
- 50. Petit Parser Events SUnit Glamour 49
- 51. Petit Parser Events SUnit Glamour 50
- 52. Conclusions 51
- 53. Mind the abstraction gap Conclusions 51
- 54. Mind the abstraction gap Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * Activation Predicate Conclusions 51
- 55. Mind the abstraction gap Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * Activation Predicate Conclusions 51
- 56. Mind the abstraction gap Debugging Widget Debugging View * Debugging * Action Debugging Session Debugging Predicate Primitive Predicate HighLevel Predicate * Activation Predicate Conclusions 51