RefactorHub: A Commit Annotator for Refactoring

RefactorHub: A Commit Annotator for Refactoring

• 1.
  RefactorHub: A Commit Annotator forRefactoring Ryo Kuramoto Shinpei Hayashi Motoshi Saeki TokyoTech. Japan github.com/ salab/RefactorHub
• 2.
  Empirical studies on refactoring Weneed refactoring data
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  How to collectrefactoring data Using detection tools (e.g.. RefactoringMiner, RefDiff) Using self-affirmed commits (commit message filtering) f6f7e4d refactor: extract printing name and outstanding f6f7e4d Extract Method ✓ Accuracy ✗ Type coverage ✓ Detail information ✗ Accuracy ✓ Type coverage ✗ Detail information
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  RefactorHub: A Commit Annotatorfor Refactoring
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  Annotation Approach f6f7e4d refactor: extractprinting name and outstanding Input (Commit) RefactorHub extracted code invocation extracted method { "type": "ExtractMethod", ~ "extracted method": { "type": "MethodDeclaration", ~ "path": "src/main/Printer.java", "range": { "startLine": 6, "startColumn": 2, "endLine": 9, "endColumn": 3 ~ Output (JSON) ✓ Accuracy ✓ Detail information ✗ Accuracy ✗ Detail information
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  Refactoring info. Code difference Modifiedfiles Refactoring parameters (before refactoring) Refactoring parameters (after refactoring)
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  Annotating Extract Method Before: • extracted code • target method After: •extracted code • invocation • extracted method • target method
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  Annotating Extract Method Before: • extracted code • target method After: •extracted code • invocation • extracted method • target method
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  Annotating Extract Method Before: • extracted code • target method After: •extracted code • invocation • extracted method • target method
• 10.
  RefactorHub: A Commit Annotator forRefactoring Ryo Kuramoto Shinpei Hayashi Motoshi Saeki TokyoTech. Japan github.com/ salab/RefactorHub