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Merge pull request #15427 from MathiasVP/asexpr-and-asindirectexpr-tests

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C++: Add `asExpr` and `asIndirectExpr` library tests (and fix more duplication)
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Mathias Vorreiter Pedersen
2024-01-25 16:58:18 +00:00
committed by GitHub
parent 2db76c7fad 7916616ee1
commit 863e6c8009
6 changed files with 110 additions and 1 deletions
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7
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
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@@ -1484,12 +1484,17 @@ private module IndirectNodeToIndirectExpr<IndirectNodeToIndirectExprSig Sig> {
indirectNodeHasIndirectExpr(node, e, n, indirectionIndex) and
not exists(Expr conv, int adjustedIndirectionIndex |
adjustForReference(e, indirectionIndex, conv, adjustedIndirectionIndex) and
indirectNodeHasIndirectExpr(_, conv, n + 1, adjustedIndirectionIndex)
indirectExprNodeShouldBe(conv, n + 1, adjustedIndirectionIndex)
)
)
}
}
private predicate indirectExprNodeShouldBe(Expr e, int n, int indirectionIndex) {
indirectExprNodeShouldBeIndirectOperand(_, e, n, indirectionIndex) or
indirectExprNodeShouldBeIndirectInstruction(_, e, n, indirectionIndex)
}
private module IndirectOperandIndirectExprNodeImpl implements IndirectNodeToIndirectExprSig {
class IndirectNode = IndirectOperand;