File indexing completed on 2024-05-12 05:40:56

 /*
     SPDX-FileCopyrightText: 2016 Sergio Martins <smartins@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "mutable-container-key.h"
 #include "StringUtils.h"
 #include "Utils.h"
 #include "clazy_stl.h"
 
 #include <clang/AST/DeclBase.h>
 #include <clang/AST/DeclTemplate.h>
 #include <clang/AST/TemplateBase.h>
 #include <clang/AST/Type.h>
 #include <llvm/ADT/StringRef.h>
 
 #include <vector>
 
 class ClazyContext;
 
 using namespace clang;
 
 static bool isInterestingContainer(StringRef name)
 {
     static const std::vector<StringRef> containers = {"QMap", "QHash"};
     return clazy::contains(containers, name);
 }
 
 MutableContainerKey::MutableContainerKey(const std::string &name, ClazyContext *context)
     : CheckBase(name, context, Option_CanIgnoreIncludes)
 {
 }
 
 void MutableContainerKey::VisitDecl(clang::Decl *decl)
 {
     auto *tsdecl = Utils::templateSpecializationFromVarDecl(decl);
     if (!tsdecl || !isInterestingContainer(clazy::name(tsdecl))) {
         return;
     }
 
     const TemplateArgumentList &templateArguments = tsdecl->getTemplateArgs();
     if (templateArguments.size() != 2) {
         return;
     }
 
     QualType qt = templateArguments[0].getAsType();
     const Type *t = qt.getTypePtrOrNull();
     if (!t) {
         return;
     }
 
     auto *record = t->isRecordType() ? t->getAsCXXRecordDecl() : nullptr;
     if (!clazy::classIsOneOf(record, {"QPointer", "QWeakPointer", "QPersistentModelIndex", "weak_ptr"})) {
         return;
     }
 
     emitWarning(decl->getBeginLoc(), "Associative container key might be modified externally");
 }