Primer
Shortcomings of traditional COBOL business rule extraction methods
Business rules are at the core of understanding mainframe applications. Automating extraction of the rules is notoriously time consuming and difficult. This primer details 2 main methods and the shortcomings they have.
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What’s in the primer
The nature of business rules
Business rules are essential to understanding and modernizing mainframe applications.
Traditional static analysis
Static analysis on its own can parse COBOL syntax & structure but struggles with the understanding necessary context to extract all business rules.
LLMs / AI Assistants
LLMs are not designed for taking an entire application and understanding the relationships and implied business rules.