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2020-10-20 14:08:53 +02:00

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import javascript
import semmle.javascript.dataflow.internal.FlowSteps as FlowSteps
query predicate argumentPassing(DataFlow::Node invk, DataFlow::Node arg, DataFlow::SourceNode parm) {
exists(Function f | FlowSteps::argumentPassing(invk, arg, f, parm))
}
query predicate basicBlock(DataFlow::Node node, BasicBlock bb) { node.getBasicBlock() = bb }
query predicate enclosingExpr(DataFlow::Node node, Expr enclosingExpr) {
enclosingExpr = node.getEnclosingExpr()
}
query predicate flowStep(DataFlow::Node pred, DataFlow::Node nd) { nd.getAPredecessor() = pred }
query predicate getImmediatePredecessor(DataFlow::Node pred, DataFlow::Node nd) {
nd.getImmediatePredecessor() = pred
}
query predicate getIntValue(DataFlow::Node node, int val) { node.getIntValue() = val }
query predicate incomplete(DataFlow::Node dfn, DataFlow::Incompleteness cause) {
dfn.isIncomplete(cause)
}
query predicate noBasicBlock(DataFlow::Node node) { not exists(node.getBasicBlock()) }
query predicate parameters(DataFlow::ParameterNode param) { any() }
query predicate sources(DataFlow::SourceNode src) { any() }