Demand-Driven Control-Flow Analysis: A Human-Like Approach
By
matt_d
There's a fresh bagel in here somewhere. We couldn't find it.
Summary
The article discusses control-flow analysis in programming, contrasting the traditional exhaustive approach with a demand-driven alternative. The demand-driven method allows users to specify a point in a higher-order program and determines its flow fact efficiently, mimicking human reasoning by exploring control flow both forwards and backwards. The approach is highlighted for its relevance in modern language infrastructure and tooling, with potential applications and enhancements outlined.
Key quotes
· 3 pulledAn alternative approach is demand-driven. Implementing this approach, an analyzer allows the user to indicate a point within a higher-order program and subsequently determines its flow fact, determining as few subsidiary facts as possible.
The analyzer keeps the set of subsidiary facts relatively small by exploring control flow both forwards and backwards, similar to how a human might reason.
This talk introduces the demand-driven approach, discusses aspects that make it particularly appealing for today’s language infrastructure and tooling, and outlines possible applications and enhancements.
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