File indexing completed on 2024-05-12 17:13:11

0001 /*
0002     This file is part of the clazy static checker.
0003 
0004     Copyright (C) 2015 Sergio Martins <smartins@kde.org>
0005 
0006     This library is free software; you can redistribute it and/or
0007     modify it under the terms of the GNU Library General Public
0008     License as published by the Free Software Foundation; either
0009     version 2 of the License, or (at your option) any later version.
0010 
0011     This library is distributed in the hope that it will be useful,
0012     but WITHOUT ANY WARRANTY; without even the implied warranty of
0013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0014     Library General Public License for more details.
0015 
0016     You should have received a copy of the GNU Library General Public License
0017     along with this library; see the file COPYING.LIB.  If not, write to
0018     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0019     Boston, MA 02110-1301, USA.
0020 */
0021 
0022 #ifndef QSTRING_REF_H
0023 #define QSTRING_REF_H
0024 
0025 #include "checkbase.h"
0026 
0027 #include <string>
0028 #include <vector>
0029 
0030 class ClazyContext;
0031 
0032 namespace clang {
0033 class Stmt;
0034 class CallExpr;
0035 class CXXMemberCallExpr;
0036 class FixItHint;
0037 }
0038 
0039 /**
0040  * Finds places where the QString::fooRef() should be used instead QString::foo(), to save allocations
0041  *
0042  * See README-qstringref for more info.
0043  */
0044 class StringRefCandidates
0045     : public CheckBase
0046 {
0047 public:
0048     StringRefCandidates(const std::string &name, ClazyContext *context);
0049     void VisitStmt(clang::Stmt *stmt) override;
0050 private:
0051     bool processCase1(clang::CXXMemberCallExpr*);
0052     bool processCase2(clang::CallExpr *call);
0053     bool isConvertedToSomethingElse(clang::Stmt* s) const;
0054 
0055     std::vector<clang::CallExpr*> m_alreadyProcessedChainedCalls;
0056     std::vector<clang::FixItHint> fixit(clang::CXXMemberCallExpr*);
0057 };
0058 
0059 #endif