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Guards: Add elaborating comment.

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Anders Schack-Mulligen
2025-11-13 13:09:44 +01:00
parent 62e28d2dcf
commit b31dfdd5f4
1 changed files with 5 additions and 0 deletions
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5
shared/controlflow/codeql/controlflow/Guards.qll
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@@ -1114,6 +1114,11 @@ module Make<
private predicate validReturnInCustomGuardToRank(
int rnk, NonOverridableMethod m, ParameterPosition ppos, GuardValue retval, GuardValue val
) {
// The forall-range has been pushed all the way into
// `relevantReturnExprValue` and `validReturnInCustomGuard`. This means
// that this base case ensures that at least one return expression
// non-vacuously satisfies that it's a valid implication from return
// value to parameter value.
validReturnInCustomGuard(_, _, m, ppos, retval, val) and rnk = 0
or
validReturnInCustomGuardToRank(rnk - 1, m, ppos, retval, val) and