54       bool VisitCallExpr(const CallExpr *CE) {  in checkASTDecl()
55         Checker->visitCallExpr(CE);  in checkASTDecl()
64   void visitCallExpr(const CallExpr *CE) const {  in visitCallExpr()
65     if (shouldSkipCall(CE))  in visitCallExpr()
68     if (auto *F = CE->getDirectCallee()) {  in visitCallExpr()
71       unsigned ArgIdx = isa<CXXOperatorCallExpr>(CE) && isa_and_nonnull<CXXMethodDecl>(F);  in visitCallExpr()
78            P < F->param_end() && ArgIdx < CE->getNumArgs(); ++P, ++ArgIdx) {  in visitCallExpr()
92         const auto *Arg = CE->getArg(ArgIdx);  in visitCallExpr()
120   bool shouldSkipCall(const CallExpr *CE) const {  in shouldSkipCall()
121     if (CE->getNumArgs() == 0)  in shouldSkipCall()
126     if (auto *MemberOp = dyn_cast<CXXOperatorCallExpr>(CE)) {  in shouldSkipCall()
132     const auto *Callee = CE->getDirectCallee();  in shouldSkipCall()