File indexing completed on 2024-04-28 05:38:30
0001 /* 0002 SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB a KDAB Group company info@kdab.com 0003 SPDX-FileContributor: Sérgio Martins <sergio.martins@kdab.com> 0004 0005 SPDX-FileCopyrightText: 2015 Sergio Martins <smartins@kde.org> 0006 0007 SPDX-License-Identifier: LGPL-2.0-or-later 0008 */ 0009 0010 #ifndef FUNCTION_ARGS_BY_REF_H 0011 #define FUNCTION_ARGS_BY_REF_H 0012 0013 #include "checkbase.h" 0014 0015 #include <string> 0016 0017 class ClazyContext; 0018 0019 namespace clang 0020 { 0021 class Decl; 0022 class VarDecl; 0023 class FixItHint; 0024 class ParmVarDecl; 0025 class FunctionDecl; 0026 class Stmt; 0027 } 0028 0029 namespace clazy 0030 { 0031 struct QualTypeClassification; 0032 } 0033 0034 /** 0035 * Finds functions where big non-trivial types are passed by value instead of const-ref. 0036 * Looks into the body of the functions to see if the argument are read-only, it doesn't emit a warning otherwise. 0037 */ 0038 class FunctionArgsByRef : public CheckBase 0039 { 0040 public: 0041 FunctionArgsByRef(const std::string &name, ClazyContext *context); 0042 void VisitDecl(clang::Decl *decl) override; 0043 void VisitStmt(clang::Stmt *stmt) override; 0044 0045 private: 0046 static bool shouldIgnoreClass(clang::CXXRecordDecl *); 0047 static bool shouldIgnoreOperator(clang::FunctionDecl *); 0048 static bool shouldIgnoreFunction(clang::FunctionDecl *); 0049 void processFunction(clang::FunctionDecl *); 0050 void addFixits(std::vector<clang::FixItHint> &fixits, clang::FunctionDecl *, unsigned int parmIndex); 0051 clang::FixItHint fixit(const clang::ParmVarDecl *, clazy::QualTypeClassification); 0052 }; 0053 0054 #endif