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JS: SetMapForEach

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This commit is contained in:
Asger Feldthaus
2021-03-18 12:52:19 +00:00
parent c9c99464cf
commit 4a45731c85
1 changed files with 8 additions and 7 deletions
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15
javascript/ql/src/semmle/javascript/Collections.qll
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@@ -181,13 +181,14 @@ private module CollectionDataFlow {
/**
* A step for a call to `forEach` on a Set or Map.
*/
private class SetMapForEach extends CollectionFlowStep, DataFlow::MethodCallNode {
SetMapForEach() { this.getMethodName() = "forEach" }
override predicate load(DataFlow::Node obj, DataFlow::Node element, PseudoProperty prop) {
obj = this.getReceiver() and
element = this.getCallback(0).getParameter(0) and
prop = [setElement(), mapValueAll()]
private class SetMapForEach extends PreCallGraphStep {
override predicate loadStep(DataFlow::Node obj, DataFlow::Node element, string prop) {
exists(DataFlow::MethodCallNode call |
call.getMethodName() = "forEach" and
obj = call.getReceiver() and
element = call.getCallback(0).getParameter(0) and
prop = [setElement(), mapValueAll()]
)
}
}