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Shared: steps in synthetic path chains should just mention the same synthetic fields.

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This commit is contained in:
Michael Nebel
2024-09-19 19:15:17 +02:00
parent aae8660acc
commit b041829569
2 changed files with 31 additions and 23 deletions
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22
shared/dataflow/codeql/dataflow/internal/ContentDataFlowImpl.qll
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@@ -272,7 +272,10 @@ module MakeImplContentDataFlow<LocationSig Location, InputSig<Location> Lang> {
)
}
private ContentSet getAtIndex(int i) {
/**
* Gets the content set at index `i` in this access path, if any.
*/
ContentSet getAtIndex(int i) {
i = 0 and
result = this.getHead()
or
@@ -286,23 +289,6 @@ module MakeImplContentDataFlow<LocationSig Location, InputSig<Location> Lang> {
i >= 0 and
result = TAccessPathCons(this.getAtIndex(i), this.reverse0(i - 1))
}
/**
* Gets the length of this access path.
*/
private int length() {
result = 0 and this = TAccessPathNil()
or
result = 1 + this.getTail().length()
}
/**
* Gets the reversed access path, if any.
*
* Note that not all access paths have a reverse as these are not
* included by default in the IPA type.
*/
AccessPath reverse() { result = this.reverse0(this.length() - 1) }
}
/**