================
@@ -69,6 +69,22 @@ void
UnhandledSelfAssignmentCheck::registerMatchers(MatchFinder *Finder) {
cxxMethodDecl(unless(hasDescendant(cxxMemberCallExpr(callee(cxxMethodDecl(
hasName("operator="), ofClass(equalsBoundNode("class"))))))));
+ // Checking that some kind of constructor is called and followed by a `swap`:
+ // T& operator=(const T& other) {
+ // T tmp{this->internal_data(), some, other, args};
+ // swap(tmp);
+ // return *this;
+ // }
+ const auto HasCopyAndSwap = cxxMethodDecl(
+ ofClass(cxxRecordDecl(unless(hasAncestor(classTemplateDecl())))),
+ hasDescendant(
+ stmt(hasDescendant(
+ varDecl(hasType(cxxRecordDecl(equalsBoundNode("class"))))
+ .bind("tmp_var")),
+ hasDescendant(callExpr(callee(functionDecl(hasName("swap"))),
+ hasAnyArgument(declRefExpr(to(varDecl(
+ equalsBoundNode("tmp_var"))))))))));
----------------
negativ wrote:
@5chmidti fixed as suggested. thank you!
https://github.com/llvm/llvm-project/pull/147066
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