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/*
This file is part of the clazy static checker.
Copyright (C) 2016 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 "qfileinfo-exists.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;
QFileInfoExists::QFileInfoExists(const std::string &name, ClazyContext *context)
: CheckBase(name, context)
{
}
void QFileInfoExists::VisitStmt(clang::Stmt *stmt)
{
auto existsCall = dyn_cast<CXXMemberCallExpr>(stmt);
std::string methodName = StringUtils::qualifiedMethodName(existsCall);
if (methodName != "QFileInfo::exists")
return;
CXXConstructExpr* ctorExpr = HierarchyUtils::getFirstChildOfType<CXXConstructExpr>(existsCall);
if (!ctorExpr || StringUtils::simpleArgTypeName(ctorExpr->getConstructor(), 0, lo()) != "QString")
return;
emitWarning(stmt->getLocStart(), "Use the static QFileInfo::exists() instead. It's documented to be faster.");
}
REGISTER_CHECK("qfileinfo-exists", QFileInfoExists, CheckLevel0)
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