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caf6b950ac
Fixed 73 .ql query files where the @name metadata contained an ending period. This ensures consistency with the CodeQL query metadata style guidelines.
29 lines
914 B
Plaintext
29 lines
914 B
Plaintext
/**
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* @name Key points-to fails for expression
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* @description Expression does not "point-to" an object which prevents further points-to analysis.
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* @kind problem
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* @problem.severity info
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* @id py/key-points-to-failure
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* @deprecated
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*/
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import python
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import semmle.python.pointsto.PointsTo
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predicate points_to_failure(Expr e) {
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exists(ControlFlowNode f | f = e.getAFlowNode() | not PointsTo::pointsTo(f, _, _, _))
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}
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predicate key_points_to_failure(Expr e) {
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points_to_failure(e) and
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not points_to_failure(e.getASubExpression()) and
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not exists(SsaVariable ssa | ssa.getAUse() = e.getAFlowNode() |
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points_to_failure(ssa.getAnUltimateDefinition().getDefinition().getNode())
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) and
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not exists(Assign a | a.getATarget() = e)
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}
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from Attribute e
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where key_points_to_failure(e) and not exists(Call c | c.getFunc() = e)
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select e, "Expression does not 'point-to' any object, but all its sources do."
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