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C++: Add QLDoc to TRange.

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Mathias Vorreiter Pedersen
2025-09-24 10:39:27 +01:00
parent c481be8ea7
commit b3cbdb5c1a
1 changed files with 6 additions and 0 deletions
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6
cpp/ql/lib/semmle/code/cpp/controlflow/IRGuards.qll
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@@ -31,6 +31,12 @@ module GuardsInput implements SharedGuards::InputSig<Cpp::Location, Instruction,
}
private newtype TConstantValue =
// This is slightly abusing the shared guards library. Using
// `TRange(40, 50)` to model a constant expression in the program such as
// the literal "42" causes the shared guards library to make incorrect
// inferences.
// However, since we only use them to model `CaseConstant::asConstantValue`
// this does not cause any wrong inferences (at least for now).
TRange(string minValue, string maxValue) {
minValue != maxValue and
exists(EdgeKind::caseEdge(minValue, maxValue))