=?utf-8?q?Kristóf?= Umann <dkszelet...@gmail.com>,
=?utf-8?q?Kristóf?= Umann <dkszelet...@gmail.com>,
=?utf-8?q?Kristóf?= Umann <dkszelet...@gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/94...@github.com>
================
@@ -696,6 +730,69 @@ struct StreamOperationEvaluator {
} // end anonymous namespace
+//===----------------------------------------------------------------------===//
+// Definition of NoStreamStateChangeVisitor.
+//===----------------------------------------------------------------------===//
+
+namespace {
+class NoStreamStateChangeVisitor final : public NoOwnershipChangeVisitor {
+protected:
+ /// Syntactically checks whether the callee is a freeing function. Since
+ /// we have no path-sensitive information on this call (we would need a
+ /// CallEvent instead of a CallExpr for that), its possible that a
+ /// freeing function was called indirectly through a function pointer,
+ /// but we are not able to tell, so this is a best effort analysis.
+ bool isFreeingCallAsWritten(const CallExpr &Call) const {
+ const auto *StreamChk = static_cast<const StreamChecker *>(&Checker);
+ if (StreamChk->FCloseDesc.matchesAsWritten(Call))
+ return true;
+
+ return false;
----------------
steakhal wrote:
```suggestion
return StreamChk->FCloseDesc.matchesAsWritten(Call));
```
But given the complexity of the `FCloseDesc` member, I'd simply suggest
inlining here. That would enable us to omit the static cast that makes this a
bit ugly.
https://github.com/llvm/llvm-project/pull/94957
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