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Miser-C
MISRA-C Compliance Checker
Ian Biller, Phillippe Dass,
Bryan Eldridge, Jon Senchyna,
Tracy Thomas
Summary
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Client: US Food and Drug Administration
MISRA-C Compliance Checker
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Intended Use
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Medical Device Industry
Open Source Community
System Output
Scope
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Parse compilable C code
Checkable vs. Uncheckable Rules
Prioritization of rules
Open Source Release
Context
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Design/Implementation Constraints
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Language restricted to Java
Restricted to freely available
components
Final product is stand-alone system
Operating Environment
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Java Virtual Machine (JVM)
Support Java 1.4 or higher
Features
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Check C Source-Code Files for Violations
XML Output of Violations and Consequences
XML Error Report
Configuration of Rules Subset
Configuration of Acceptable File Extensions
Technologies
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ANTLR
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Lexer/parser generator
Runtime library
C Grammars
Java
Process Methodology
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Bits and Pieces of Scrum
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Only have 20 weeks for Senior Project
Time-boxed software development
30 day sprints need to be 14 day sprints
6 releases planned
Backlog
High transparency
Process Methodology
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Metrics being tracked used for size of
sprint
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If too much time per rule, cut scope of
successive releases
Schedule
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Software release 1 scheduled for end of
week 1
Subsequent software releases every two
weeks.
Implementing backlog will depend on
results of metrics.
Requirements Elicitation
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Four Phases
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Domain Analysis
Brainstorming
Interview
Review
Low Volatility
Requirements
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Documentation
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Software Requirements Specification
Use-Case Specification
Product Backlog
Sprint Backlog
Design Process
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Documentation
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Model Diagrams
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Activity Diagram
Class Diagram
Modeling Languages
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UML
Current State of Design
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Completed
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Activity Diagram
In Progress
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Class Diagram
Task Estimation
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New domain/technology
Complexity and size
Track actual time spent
Update estimates based on metrics
Metrics
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Individual Effort
Team Effort
Effort per Task
Number of Rules Met
Development Time per Rule
Risks
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Risk Management
High-impact Risks
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Research takes too long
Incorrect estimates
No suitable C grammar available
Versioning Tradeoffs
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Use version 2
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GNU C Grammar written in Version 2
• Less work up front
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Convert to version 3
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ANTLRWorks
• Other ANTLR features
• More testing required
Current Project Status
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Completed Tasks
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Website
Process Methodology
Project Plan
Software Requirements Specification
ANTLR Research
MISRA Rule Prioritization
Prototype
Current Project Status
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Tasks In Progress
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Grammar Design
Software Architecture Design
Planned for Spring Quarter
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Completion of Architecture Design
Incremental Releases of Rules
Testing Plan
User Documentation
Configuration Utilities
Lessons Learned
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Importance of Methodology
Transparency greatly increases
productivity
Allow for adequate review time
Set concrete goals
Demo
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(Link to demo)
Questions?