File indexing completed on 2024-05-12 05:40:59

 /*
     SPDX-FileCopyrightText: 2017 Sergio Martins <smartins@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "virtual-signal.h"
 #include "AccessSpecifierManager.h"
 #include "ClazyContext.h"
 #include "QtUtils.h"
 
 #include <clang/AST/DeclCXX.h>
 #include <clang/Basic/LLVM.h>
 #include <llvm/Support/Casting.h>
 
 namespace clang
 {
 class Decl;
 } // namespace clang
 
 using namespace clang;
 
 VirtualSignal::VirtualSignal(const std::string &name, ClazyContext *context)
     : CheckBase(name, context)
 {
     context->enableAccessSpecifierManager();
 }
 
 void VirtualSignal::VisitDecl(Decl *stmt)
 {
     auto *method = dyn_cast<CXXMethodDecl>(stmt);
     if (!method || !method->isVirtual()) {
         return;
     }
 
     AccessSpecifierManager *accessSpecifierManager = m_context->accessSpecifierManager;
     if (!accessSpecifierManager) {
         return;
     }
 
     QtAccessSpecifierType qst = accessSpecifierManager->qtAccessSpecifierType(method);
     if (qst == QtAccessSpecifier_Signal) {
         for (const auto *m : method->overridden_methods()) {
             if (const auto *baseClass = m->getParent()) {
                 if (!clazy::isQObject(baseClass)) {
                     // It's possible that the signal is overriding a method from a non-QObject base class
                     // if the derived class inherits both QObject and some other interface.
                     return;
                 }
             }
         }
 
         emitWarning(method, "signal is virtual");
     }
 }