JS: Add compileForOverlayEval: true#20421
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asgerf merged 5 commits intogithub:mainfrom Oct 31, 2025
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Pull Request Overview
Enables the compileForOverlayEval: true configuration in the JavaScript CodeQL library and optimizes token navigation by introducing a helper predicate to improve join ordering performance.
- Adds
compileForOverlayEval: trueto the qlpack.yml configuration - Introduces
adjacentTokenshelper predicate to optimize join order in token navigation - Refactors
getNextToken()method to use the new helper predicate
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| javascript/ql/lib/qlpack.yml | Enables compileForOverlayEval configuration option |
| javascript/ql/lib/semmle/javascript/Tokens.qll | Adds adjacentTokens helper predicate and refactors getNextToken for better performance |
Napalys
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Sep 15, 2025
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tausbn
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Oct 30, 2025
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One minor comment, otherwise this looks good to me. 👍
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| import javascript | ||
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| private predicate adjacentTokens(Token token1, Token token2) { |
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No pragma[nomagic] on this to prevent future reinlining?
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Added pragma[nomagic]. The DIL seems to be unchanged so we shouldn't have to rerun the evaluations.
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Adds
compileForOverlayEval: trueand fixes a bad join order arising when this is enabled.Evaluations: