Unified CodeCounter (UCC) with Differencing Functionality

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Unified CodeCounter (UCC) with Differencing
Functionality

• Marilyn Sperka1, Vu Nguyen2, Ryan Pfeiffer1
• 1 The Aerospace Corporation
• 2 University of Southern California
• 24th International Forum on COCOMO
• 10/03/2009

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What Does a Code Counter Do?

• Determines software size
• Leads to more reliable metrics
• Cost
• Schedule
• Productivity
• Valuable analysis of existing projects
• Better predictions for new software systems cost
  and schedule

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Dont We Do That Already?

• Many code counters available now
• Various problems
• Some are proprietary, others are public domain
• Inconsistent counting rules
• May or may not be maintained
• Big problem they count differently
• Inconsistent or biased conclusions

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Why Develop Yet Another?

• NRO Cost Group (NCG) needed a tool to
• Count software lines of code
• Consistently
• With documented standards
• Ability to easily add new languages
• Support and maintenance
• Compare different baselines of software
• Determine addition, modification, deletion
• Identify duplicate files
• Determine complexity

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How Did It Get Started?

• USC wanted real-world projects for students
• USC CSSE University of Southern California
  Center for Systems and Software Engineering
• Non-biased, industry-respected
• Aerospace management recognized the potential of
  a USC/Aerospace team
• A collection of existing code counting tools was
  donated to USC
• Northrop Grumman, TRW, Boeing

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Where Is It Now?

• CodeCount is developed and maintained at USC
• Graduate students get credit for directed
  research while interning
• Code counters are continuously being checked and
  updated by USC students
• New languages are added every semester
• Aerospace provides validation and verification
• Active involvement in class projects

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Latest Release UCC

• The latest release of UCC unifies the code
  counters and differencing functions into a single
  application
• UCC Unified CodeCounter
• Common interface
• Easy to use
• Consistent output reports

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Links

• http//sunset.usc.edu/research/CODECOUNT/
• Open source code and documentation
• http//sunset.usc.edu/csse/affiliate/private/codec
  ount.html
• Beta release code to affiliates
• http//brown.usc.edu8080/
• Wiki information
• nguyenvu_at_usc.edu
• To report bugs or make suggestions

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Features

• Platform independent
• Command line interface
• Modes Code counting only or counting plus
  differencing
• Counts multiple files and languages in a single
  pass
• Output reports
• Robust processing
• Options to improve performance
• Error log

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Code Counting

• Counts logical and physical SLOC, comments, and
  blank lines
• Counts multiple languages in one run
• Creates separate output reports for each language
• Also creates grand total report
• Identifies duplicate files
• Reports those counts separately

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Differencing

• Compares two baselines of files
• Counts each same as in code counting
• Matches files between baselines
• Compares the code and counts
• SLOC added to second baseline
• SLOC deleted from first baseline
• SLOC modified in second baseline
• SLOC unmodified between baselines

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Differencing, Continued

• Reports on files in one baseline but not the
  other
• Identifies duplicate files in each baseline
• Reports counts separately
• Options for performance enhancement

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Languages Supported

• Code Counting

• Differencing

• JSP
• HTML
• CSS
• JavaScript
• VB
• VBScript
• PhP

• C/C
• C
• Java
• SQL
• Ada
• Perl
• ASP

• C/C
• C
• Java
• SQL
• Ada
• Perl
• ASP

• JSP
• HTML
• CSS
• JavaScript
• VB
• VBScript

Code counters are developed first, then
differencing is added
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Output Reports

• A variety of reports are output
• Counting, differencing, duplicates, complexity,
  errors
• Users can customize their reports
• Several .csv reports
• Load directly into Excel

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Current Projects

• Code counters and differencing for Python, Unix
  shell script, Ruby, ColdFusion, Fortran, PhP,
  X-Midas, Assembly, COBOL
• Add GUI front end interface
• Improve complexity counting

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Questions and Comments