1.
Lessons Learned
Implementing Refactorings
Hernán A. Wilkinson
@hernanwilkinson
agile software development & services

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Ported to all Smalltalks (but Cuis )

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Why not ported to Cuis?

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Refactorings were implemented from
scratch using TDD

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No influence of the Refactoring Browser
Design/Functionality

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Some Design considerations

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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RenameSelector - RBRenameMethodRefactoring

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Some Functional considerations

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RenameSelector – implementors/senders

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AddParameter

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Keeping Source Format

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Keeping Source Format

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Impact in looking for senders/implementors

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Impact in Rename – Contextual Rename!
Rename Instance Variable

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Impact in Rename – Contextual Rename!
Rename Arg/Temp

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Impact in Rename – Contextual Rename!
Rename Selector

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Impact in Rename – Contextual Rename!
Rename Class

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“Typed” RenameSelector

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Conclusions

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Sometimes it is good to re-do/re-think
something that already “exists”

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Keeping it simple is important

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It is impacting other environment’s
tools, which is good 

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Questions?

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Thanks!