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Paul Bakaus
9646d5a4e4
Records stdout/stderr/exit/files for every impeccable verb over a fixed corpus and replays them against an alternate implementation. Adds a loader hook that captures per-function call vectors from the pure engine modules. Prepared with AI assistance (Claude Code).
18 lines
942 B
Markdown
18 lines
942 B
Markdown
# Function-level vectors
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`record-calls.mjs` runs the detect CLI and the pure-function unit tests with a
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loader hook (`hooks.mjs` / `hooks-impl.mjs`) that routes every exported
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function declaration in the pure engine modules through `recorder.mjs`. Each
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call whose arguments and result are plain data is written once (deduplicated by
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arguments) to `calls/<module>/<fn>.jsonl` as `{ "args": [...], "result": ... }`.
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Encoding of values JSON cannot carry: `{"$undef":true}`, `{"$nan":true}`,
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`{"$inf":1|-1}`, `{"$negzero":true}`, `{"$map":[[k,v],...]}`, `{"$set":[...]}`.
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`calls/_skipped.json` names the functions whose calls held DOM-ish objects or
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closures; those are covered end to end by the `detect` goldens instead.
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`calls/` is generated (about 10 MB) and not committed while the JS engine is
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still in the tree; regenerate with `node tests/oracle/vectors/record-calls.mjs`.
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A frozen snapshot is committed when the JS engine is removed.
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