Program Slicing and Its Applications

9/21/2000

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Table of Contents

Program Slicing and Its Applications

Part TwoSlicing for Software Maintenance

Software Maintenance Process Models:What one can do with slices

Decomposition slice

Using slices for decomposition

Using slices for decomposition (continued)

Using slices for decomposition (continued)

Using slices for decomposition (continued)

Using slices for decomposition (continued)

Using slices for decomposition (continued)

Properties of a decomposition slice

Properties of a decomposition slice

Dead-code elimination

Decomposition slice

Decomposition slice

Output-restricted slices

Independent decomposition slices

Dependency of slices

Strong dependency

On independent slices

Classification of statements

The decomposition principle

Direct sum decomposition

Modifying decomposition slices

Modifying decomposition slices: deletion

Modifying decomposition slices: addition

Modifying decomposition slices: addition of control statement

Addition of control statement

Modifying decomposition slices

Addition of control statement

Addition of control statement

Merging algorithm

Testing the change

Further validation

Software Maintenance Process Models:What one can do with slices

Author: J. C. Huang

Email: jhuang@cs.uh.edu

Home Page: www.cs.uh.edu/~jhuang