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/*
This file is part of the clazy static checker.
Copyright (C) 2015 Sergio Martins <smartins@kde.org>
Copyright (C) 2015 Mathias Hasselmann <mathias.hasselmann@kdab.com>
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 "autounexpectedqstringbuilder.h"
#include "Utils.h"
#include "checkmanager.h"
#include "StringUtils.h"
#include "FixItUtils.h"
#include <clang/AST/AST.h>
#include <clang/Lex/Lexer.h>
using namespace clang;
using namespace std;
enum Fixit {
FixitNone = 0,
FixitUseQString = 0x1,
};
AutoUnexpectedQStringBuilder::AutoUnexpectedQStringBuilder(const std::string &name, ClazyContext *context)
: CheckBase(name, context)
{
}
void AutoUnexpectedQStringBuilder::VisitDecl(Decl *decl)
{
VarDecl *varDecl = dyn_cast<VarDecl>(decl);
if (!varDecl)
return;
const Type *type = varDecl->getType().getTypePtrOrNull();
if (!type || !type->isRecordType() || !dyn_cast<AutoType>(type))
return;
CXXRecordDecl *record = type->getAsCXXRecordDecl();
if (record && record->getNameAsString() == "QStringBuilder") {
std::vector<FixItHint> fixits;
if (isFixitEnabled(FixitUseQString)) {
std::string replacement = "QString " + varDecl->getName().str();
if (varDecl->getType().isConstQualified())
replacement = "const " + replacement;
SourceLocation start = varDecl->getLocStart();
SourceLocation end = varDecl->getLocation();
fixits.push_back(FixItUtils::createReplacement({ start, end }, replacement));
}
emitWarning(decl->getLocStart(), "auto deduced to be QStringBuilder instead of QString. Possible crash.", fixits);
}
}
const char *const s_checkName = "auto-unexpected-qstringbuilder";
REGISTER_CHECK(s_checkName, AutoUnexpectedQStringBuilder, CheckLevel1)
REGISTER_FIXIT(FixitUseQString, "fix-auto-unexpected-qstringbuilder", s_checkName)
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