File indexing completed on 2024-05-12 17:13:14

 /*
     This file is part of the clazy static checker.
 
     Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
     Author: Sérgio Martins <sergio.martins@kdab.com>
 
     Copyright (C) 2015 Sergio Martins <smartins@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #ifndef FUNCTION_ARGS_BY_REF_H
 #define FUNCTION_ARGS_BY_REF_H
 
 #include "checkbase.h"
 
 #include <string>
 
 class ClazyContext;
 
 namespace clang {
 class Decl;
 class VarDecl;
 class FixItHint;
 class ParmVarDecl;
 class FunctionDecl;
 class Stmt;
 }
 
 namespace clazy {
 struct QualTypeClassification;
 }
 
 /**
  * Finds functions where big non-trivial types are passed by value instead of const-ref.
  * Looks into the body of the functions to see if the argument are read-only, it doesn't emit a warning otherwise.
  */
 class FunctionArgsByRef
     : public CheckBase
 {
 public:
     FunctionArgsByRef(const std::string &name, ClazyContext *context);
     void VisitDecl(clang::Decl *decl) override;
     void VisitStmt(clang::Stmt *stmt) override;
 private:
     static bool shouldIgnoreClass(clang::CXXRecordDecl *);
     static bool shouldIgnoreOperator(clang::FunctionDecl *);
     static bool shouldIgnoreFunction(clang::FunctionDecl *);
     void processFunction(clang::FunctionDecl *);
     void addFixits(std::vector<clang::FixItHint> &fixits, clang::FunctionDecl *, unsigned int parmIndex);
     clang::FixItHint fixit(const clang::ParmVarDecl *, clazy::QualTypeClassification);
 };
 
 #endif