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Python: Remove some unhelpful store steps

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This commit is contained in:
Rasmus Lerchedahl Petersen
2021-01-19 00:05:10 +01:00
parent bfc6660795
commit bd3de23c6e
2 changed files with 2 additions and 63 deletions
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2
python/ql/src/semmle/python/dataflow/new/internal/DataFlowPrivate.qll
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@@ -879,6 +879,7 @@ predicate listStoreStep(CfgNode nodeFrom, ListElementContent c, CfgNode nodeTo)
// nodeTo is the list, `[..., 42, ...]`, cfg node
// c denotes element of list
nodeTo.getNode().(ListNode).getAnElement() = nodeFrom.getNode() and
not nodeTo.getNode() instanceof UnpackingAssignmentSequenceTarget and
// Suppress unused variable warning
c = c
}
@@ -904,6 +905,7 @@ predicate tupleStoreStep(CfgNode nodeFrom, TupleElementContent c, CfgNode nodeTo
// c denotes element of tuple and index of nodeFrom
exists(int n |
nodeTo.getNode().(TupleNode).getElement(n) = nodeFrom.getNode() and
not nodeTo.getNode() instanceof UnpackingAssignmentSequenceTarget and
c.getIndex() = n
)
}