Sando: An Extensible Local Code Search Framework

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Sando is a local code search tool for Visual Studio that handles multi-word queries, ranks results, and handles inexact matches. It was created using state-of-the-art research to provide better search support than existing tools. Sando is an extensible framework that allows researchers to investigate sub-tasks like searching new languages, changing the splitter or ranking scheme, and reusing supporting code.

Technology

Sando
An Extensible Local Code Search Framework

David Shepherd
Kostadin Damevski
Bartosz Ropski
Thomas Fritz

Motivation: Search Support Needed
• 40/48 maintenance
tasks begin with search
[ko et al. ‘06]

• “Finding initial focus
points” as 1 of 4
categories [sillito et al. ‘06]

• 9/12 searched in first 12
steps [shepherd et al. ‘12]

<Video of searching…>

Some people, when confronted with a problem, think "I know, I'll use
regular expressions." Now they have two problems. -Jamie Zawinski

Motivation: Better Search Support Needed

• Multi-word queries difficult

• Ranking non-existent

• Fails on inexact matches

Our Answer: Sando Search Tool

• Handles Multi-word queries

• Ranks results

• Handles inexact matches

We leveraged state-of-the-art research to create
Sando, a local code search tool for Visual Studio

Motivation: Search Platform
index
splitter

C# parser
document
creation

Need for open source implementation(s)…
Let’s make our implementations available to other
researchers!

Sando: Extensible Framework

Investigate your favorite sub-task
Reuse our field-tested supporting code

Sando: Extensible Framework
Search a new
language
Try a better
splitter

Rank search
results according Change query
to any arbitrary weights or search
scheme terms

Investigate your favorite sub-task
Reuse our field-tested supporting code

Conclusion
• Sando is a free, open
source code search tool

• Sando not a regex search,
avoiding many pitfalls

• Iteratively refine ideas on
real code, real users with
Sando

What About TraceLab?
Complementary!
TraceLab focuses on lab studies, Sando on user studies.

Screen Capture 11/8/2012

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Sando: An Extensible Local Code Search Framework

1. Sando An Extensible Local Code Search Framework David Shepherd Kostadin Damevski Bartosz Ropski Thomas Fritz

2. Motivation: Search Support Needed • 40/48 maintenance tasks begin with search [ko et al. ‘06] • “Finding initial focus points” as 1 of 4 categories [sillito et al. ‘06] • 9/12 searched in first 12 steps [shepherd et al. ‘12]

3. <Video of searching…> Some people, when confronted with a problem, think "I know, I'll use regular expressions." Now they have two problems. -Jamie Zawinski

4. Motivation: Better Search Support Needed • Multi-word queries difficult • Ranking non-existent • Fails on inexact matches

5. Our Answer: Sando Search Tool • Handles Multi-word queries • Ranks results • Handles inexact matches We leveraged state-of-the-art research to create Sando, a local code search tool for Visual Studio

6. Demo Searching with Sando

7. Motivation: Search Platform index splitter C# parser document creation Need for open source implementation(s)… Let’s make our implementations available to other researchers!

8. Sando: Extensible Framework Investigate your favorite sub-task Reuse our field-tested supporting code

9. Sando: Extensible Framework Search a new language Try a better splitter Rank search results according Change query to any arbitrary weights or search scheme terms Investigate your favorite sub-task Reuse our field-tested supporting code

10. Demo Expanding Queries

11. Conclusion • Sando is a free, open source code search tool • Sando not a regex search, avoiding many pitfalls • Iteratively refine ideas on real code, real users with Sando

12.

13. What About TraceLab? Complementary! TraceLab focuses on lab studies, Sando on user studies. Screen Capture 11/8/2012

Editor's Notes

Transition: regexs failRe-order the points here
Re-ranker?
Make the final point broader

Sando: An Extensible Local Code Search Framework

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Sando: An Extensible Local Code Search Framework

Editor's Notes