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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 "qenums.h"
#include "ClazyContext.h"
#include "Utils.h"
#include "HierarchyUtils.h"
#include "QtUtils.h"
#include "TypeUtils.h"
#include "PreProcessorVisitor.h"
#include <clang/AST/AST.h>
#include <clang/Lex/Token.h>
#include <clang/Lex/Preprocessor.h>
using namespace clang;
using namespace std;
QEnums::QEnums(const std::string &name, ClazyContext *context)
: CheckBase(name, context)
{
enablePreProcessorCallbacks();
context->enablePreprocessorVisitor();
}
void QEnums::VisitMacroExpands(const Token &MacroNameTok, const SourceRange &range, const clang::MacroInfo *)
{
PreProcessorVisitor *preProcessorVisitor = m_context->preprocessorVisitor;
if (!preProcessorVisitor || preProcessorVisitor->qtVersion() < 50500)
return;
IdentifierInfo *ii = MacroNameTok.getIdentifierInfo();
if (!ii || ii->getName() != "Q_ENUMS")
return;
{
// Don't warn when importing enums of other classes, because Q_ENUM doesn't support it.
// We simply check if :: is present because it's very cumbersome to to check for different classes when dealing with the pre-processor
CharSourceRange crange = Lexer::getAsCharRange(range, sm(), lo());
string text = Lexer::getSourceText(crange, sm(), lo());
if (clazy::contains(text, "::"))
return;
}
if (range.getBegin().isMacroID())
return;
if (sm().isInSystemHeader(range.getBegin()))
return;
emitWarning(range.getBegin(), "Use Q_ENUM instead of Q_ENUMS");
}
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