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/*
This file is part of the clazy static checker.
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.
*/
#include "copyable-polymorphic.h"
#include "Utils.h"
#include "checkmanager.h"
#include "StringUtils.h"
#include <clang/AST/AST.h>
#include <clang/Lex/Lexer.h>
using namespace clang;
using namespace std;
CopyablePolymorphic::CopyablePolymorphic(const std::string &name, ClazyContext *context)
: CheckBase(name, context)
{
}
void CopyablePolymorphic::VisitDecl(clang::Decl *decl)
{
CXXRecordDecl *record = dyn_cast<CXXRecordDecl>(decl);
if (!record || !record->hasDefinition() || record->getDefinition() != record || !record->isPolymorphic())
return;
CXXConstructorDecl *copyCtor = Utils::copyCtor(record);
CXXMethodDecl *copyAssign = Utils::copyAssign(record);
const bool hasCallableCopyCtor = copyCtor && !copyCtor->isDeleted() && copyCtor->getAccess() != clang::AS_private;
const bool hasCallableCopyAssign = copyAssign && !copyAssign->isDeleted() && copyAssign->getAccess() != clang::AS_private;
if (!hasCallableCopyCtor && !hasCallableCopyAssign)
return;
emitWarning(record->getLocStart(), "Polymorphic class is copyable. Potential slicing.");
}
REGISTER_CHECK("copyable-polymorphic", CopyablePolymorphic, CheckLevel2)
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