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Fix Generation

Fix Generation. Yingfei Xiong, 2010. BX. get. Source. View. put. Maintain consistency between source and view automatically. What if we need users to decide?. get. Source. View. ?. put1. put2. An Example. Fixes. Framework for Fix Generation. D, the set of data

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Fix Generation

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  1. Fix Generation Yingfei Xiong, 2010

  2. BX get Source View put Maintain consistency between source and view automatically.

  3. What if we need users to decide? get Source View ? put1 put2

  4. An Example

  5. Fixes

  6. Framework for Fix Generation • D, the set of data • E, the set of errors • , the check function • , the fix generating function

  7. Law for Fix Generation • Let • We have

  8. Fixes are widely used • Eclipse: Fixes for compilation errors • [Egyed:ASE08] Fixes for UML models • [Dallmeier:ASE09] Fixes for object behavior anomalies • [Chen:LISA10] Fixes for firewall policy faults • ...

  9. Fixes are widely used • Eclipse: Fixes for compilation errors • [Egyed:ASE08] Fixes for UML models • [Dallmeier:ASE09] Fixes for object behavior anomalies • [Chen:LISA10] Fixes for firewall policy faults • ... But little general support is provided

  10. Open Issues • How to describe check and generate? • using general programming languages • using domain-specific languages • How to ensure the law? • check the law • construct only well-defined check and generate (like Boomerang / Beanbag / TGGs) • Is it possible to construct generate automatically? • from consistency rules (like bidirectionalization) • from user operations

  11. Bidirectional Transformation is Fix Generation with One Error • D=S×V • E={e} • check (s, v) | get(s)==v = {} | otherwise = {e} • generate e (s,v) = {fget, fput} • where • fget = (s, get(s)) • fput = (put(s,v), v)

  12. Conclusion Fix Generation BX

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