JS: Diff-informed queries: phase 3 (non-trivial locations) #20078
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Pull Request Overview
This PR enables diff-informed mode on JavaScript queries that select locations other than dataflow sources or sinks by implementing non-trivial location overrides. The changes add the necessary predicates to support diff-informed incremental analysis while ensuring proper location reporting for query results.
Key changes:
- Adds
observeDiffInformedIncrementalMode()predicates to enable/disable diff-informed mode on specific queries - Implements
getASelectedSinkLocation()methods to override location selection for queries with custom highlighting logic - Refactors location selection logic to handle cases where custom sink highlighting is available
Reviewed Changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| decodeJwtWithoutVerification.ql | Disables diff-informed mode due to secondary config usage |
| EnvValueAndKeyInjection.ql | Disables diff-informed mode due to complex location override requirements |
| ShellCommandInjectionFromEnvironmentQuery.qll | Enables diff-informed mode and refactors location selection logic |
| IndirectCommandInjectionQuery.qll | Enables diff-informed mode and refactors location selection logic |
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This PR enables diff-informed mode on queries that select a location other than dataflow source or sink. This entails adding a non-trivial location override that returns the locations that are actually selected.
Prior work includes PRs like #19663, #19759, and #19817. This PR uses the same patch script as those PRs to find candidate queries to convert to diff-enabled. This is the final step in mass-enabling diff-informed queries on all the languages.
Commit-by-commit reviewing is recommended.