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Rust: Remove TC from ImplTraitTypeRepr.isInReturnPos #20233

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Merged
hvitved merged 1 commit into from
Aug 18, 2025
Merged

Rust: Remove TC from ImplTraitTypeRepr.isInReturnPos #20233

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12 changes: 8 additions & 4 deletions rust/ql/lib/codeql/rust/elements/internal/ImplTraitTypeReprImpl.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -23,14 +23,18 @@ module Impl {
* ```
*/
class ImplTraitTypeRepr extends Generated::ImplTraitTypeRepr {
/** Gets the function for which this impl trait type occurs, if any. */
Function getFunction() {
this.getParentNode*() = [result.getRetType().getTypeRepr(), result.getAParam().getTypeRepr()]
pragma[nomagic]
private TypeRepr getFunctionTypeRepr(Function f) {
this.getParentNode*() = result and
result = [f.getRetType().getTypeRepr(), f.getAParam().getTypeRepr()]
}

/** Gets the function for which this impl trait type occurs, if any. */
Function getFunction() { exists(this.getFunctionTypeRepr(result)) }

/** Holds if this impl trait type occurs in the return type of a function. */
predicate isInReturnPos() {
this.getParentNode*() = this.getFunction().getRetType().getTypeRepr()
exists(Function f | f.getRetType().getTypeRepr() = this.getFunctionTypeRepr(f))
}
}
}