System and method for identifying viable refactorings of...

Details System and method for identifying viable refactorings of... System and method for identifying viable refactorings of...

2004-12-03

2010-02-23

Rutten, James (Department: 2192)

Data processing: software development, installation, and managem

Software program development tool

Testing or debugging

C717S125000, C717S137000, C714S019000, C714S038110

Reexamination Certificate

active

07669188

ABSTRACT:
A system and method for identifying viable refactorings of program code using a comprehensive test suite is presented. Program code is maintained, including program statements written in accordance with a programming language and defining operations executed following transformation into machine code. A test suite associated with the program code is specified and includes one or more additional program operations to determine satisfactory generation of expected results during the operations execution. A plurality of refactorings are speculatively applied to the program code by evaluating one or more of the program statements against a set of refactoring rules and restructuring the program statements pursuant to at least one refactoring rule. The test suite is executed against the program code following each restructuring of the program statements and each refactoring that passes the test suite is determined.

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Li et al., “Tool support for refactoring functional programs” Aug. 2003, ACM, Haskell '03: Proceedings of the 2003 ACM SIGPLAN workshop on Haskell.
Streckenbach et al. “Refactoring class hierarchies with Kaba” Oct. 2004, ACM, ACM SIGPLAN Notices, vol. 39 Issue 10.
M. Fowler, “Refactoring Improving The Design Of Existing Code,” Chs. 6-12, Addison-Wesley (1999).

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