File indexing completed on 2024-05-19 05:41:42

 /*
     SPDX-FileCopyrightText: 2018 Sergio Martins <smartins@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "qhash-with-char-pointer-key.h"
 #include "StringUtils.h"
 #include "TypeUtils.h"
 #include "Utils.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>
 
 class ClazyContext;
 
 using namespace clang;
 
 QHashWithCharPointerKey::QHashWithCharPointerKey(const std::string &name, ClazyContext *context)
     : CheckBase(name, context)
 {
 }
 
 void QHashWithCharPointerKey::VisitDecl(clang::Decl *decl)
 {
     auto *tsdecl = Utils::templateSpecializationFromVarDecl(decl);
     if (!tsdecl || clazy::name(tsdecl) != "QHash") { // For QMap you shouldn't use any kind of pointers, that's handled in another check
         return;
     }
 
     const TemplateArgumentList &templateArguments = tsdecl->getTemplateArgs();
     if (templateArguments.size() != 2) {
         return;
     }
 
     QualType qt = templateArguments[0].getAsType();
     if (!qt.isNull() && qt->isPointerType()) {
         qt = clazy::pointeeQualType(qt);
         if (!qt.isNull() && !qt->isPointerType() && qt->isCharType()) {
             emitWarning(decl->getBeginLoc(), "Using QHash<const char *, T> is dangerous");
         }
     }
 }