Programming Environments Manual for 32-Bit Implementations of ...
Future of Programming Environments
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The Future of
Programming EnvironmentsAndreas Zeller
Saarland University
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Programming Environments
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A Tool Set
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Tools evolve
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Tools integrate
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Tools work together
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Tools work together
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
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Bugs Changes
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Bugs Changes
Map bugs to code locations
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Eclipse Bugs
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Eclipse Imports
import org.eclipse.jdt.internal.compiler.lookup.*;import org.eclipse.jdt.internal.compiler.*;import org.eclipse.jdt.internal.compiler.ast.*;import org.eclipse.jdt.internal.compiler.util.*;...import org.eclipse.pde.core.*;import org.eclipse.jface.wizard.*;import org.eclipse.ui.*;
14% of all components importing uishow a post-release defect
71% of all components importing compilershow a post-release defect
Joint work with Adrian Schröter • Tom Zimmermann
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Eclipse Imports
Correlation with failure
Correlation with success
import org.eclipse.jdt.internal.compiler.lookup.*;import org.eclipse.jdt.internal.compiler.*;import org.eclipse.jdt.internal.compiler.ast.*;import org.eclipse.jdt.internal.compiler.util.*;...import org.eclipse.pde.core.*;import org.eclipse.jface.wizard.*;import org.eclipse.ui.*;
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Prediction~
300
Pack
ages
10%
90%
defect no defect
top 5%
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Bugs Changes
• contain full record of project history
• maintained via programming environments
• automatic maintenance and access
• freely accessible in open source projects
Software Archives
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
Bugs Changes
Code Profiles
“Which modules should I test most?”
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
Bugs ChangesEffort
Code
“How long will it take to fix this bug?”
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
Bugs Changes Chatse-mail
Specs Code
“This requirement is risky”
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
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Eclipse Bugs
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Studies
Rosenberg, L. and Hyatt, L. “Developing An Effective Metrics Program”European Space Agency Software Assurance Symposium, Netherlands, March, 1996
Make thisActionable!
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“Road map”!
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Assistance
Future environments will
• mine patterns from program + process
• apply rules to make predictions
• provide assistance in all development decisions
• adapt advice to project history
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Empirical SE 2.0
Usability
EconomyRemixability
Participation
Collaboration Perpetual Beta
Trust
Wikis
Simplicity
Joy of Use
The Long TailDataDriven
Social SoftwareRecommendation
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Challenges
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
Program Data
Process Data
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
Deductive Reasoning
Inductive Reasoning
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
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Bugs ChangesEffort Navigation Chatse-mail
Models Specs Code Traces Profiles Tests
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Summary