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Merge pull request #10141 from aschackmull/ruby/perf-apigraph

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Ruby: Perf fix for trackUseNode.
This commit is contained in:
Anders Schack-Mulligen
2022-08-25 10:22:07 +02:00
committed by GitHub
parent d9c078060a b83e851ac6
commit c6f89aac0a
1 changed files with 13 additions and 4 deletions
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17
ruby/ql/lib/codeql/ruby/ApiGraphs.qll
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@@ -606,11 +606,20 @@ module API {
result = useCandRev() and
t.start()
or
exists(TypeTracker t2, DataFlow::LocalSourceNode mid, TypeBackTracker tb |
exists(TypeTracker t2, DataFlow::LocalSourceNode mid |
mid = trackUseNode(src, t2) and
result = mid.track(t2, t) and
pragma[only_bind_out](result) = useCandRev(tb) and
pragma[only_bind_out](t) = pragma[only_bind_out](tb).getACompatibleTypeTracker()
result = useNodeStep(mid, t2, t)
)
}
pragma[nomagic]
private DataFlow::Node useNodeStep(
DataFlow::LocalSourceNode mid, TypeTracker tmid, TypeTracker t
) {
exists(TypeBackTracker tb |
result = mid.track(tmid, t) and
pragma[only_bind_into](result) = useCandRev(pragma[only_bind_into](tb)) and
pragma[only_bind_out](t) = pragma[only_bind_into](tb).getACompatibleTypeTracker()
)
}