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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Linguist of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef LUPDATEPREPROCESSORACTION_H
#define LUPDATEPREPROCESSORACTION_H
#include "cpp_clang.h"
#include "synchronized.h"
QT_WARNING_PUSH
QT_WARNING_DISABLE_MSVC(4100)
QT_WARNING_DISABLE_MSVC(4146)
QT_WARNING_DISABLE_MSVC(4267)
QT_WARNING_DISABLE_MSVC(4624)
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Frontend/FrontendActions.h>
#include <clang/Tooling/Tooling.h>
#include <clang/Lex/PPCallbacks.h>
#include <clang/Lex/Preprocessor.h>
QT_WARNING_POP
#include <memory>
QT_BEGIN_NAMESPACE
class LupdatePPCallbacks : public clang::PPCallbacks
{
public:
LupdatePPCallbacks(WriteSynchronizedRef<TranslationRelatedStore> *stores, clang::Preprocessor &pp)
: m_preprocessor(pp)
, m_stores(stores)
{
const auto &sm = m_preprocessor.getSourceManager();
m_inputFile = sm.getFileEntryForID(sm.getMainFileID())->getName();
}
~LupdatePPCallbacks() override
{
m_stores->emplace_bulk(std::move(m_ppStores));
}
private:
void MacroExpands(const clang::Token &token, const clang::MacroDefinition ¯oDefinition,
clang::SourceRange sourceRange, const clang::MacroArgs *macroArgs) override;
void storeMacroArguments(const std::vector<QString> &args, TranslationRelatedStore *store);
void SourceRangeSkipped(clang::SourceRange sourceRange, clang::SourceLocation endifLoc) override;
std::string m_inputFile;
clang::Preprocessor &m_preprocessor;
TranslationStores m_ppStores;
WriteSynchronizedRef<TranslationRelatedStore> *m_stores { nullptr };
};
class LupdatePreprocessorAction : public clang::PreprocessOnlyAction
{
public:
LupdatePreprocessorAction(WriteSynchronizedRef<TranslationRelatedStore> *stores)
: m_stores(stores)
{}
private:
void ExecuteAction() override
{
auto &preprocessor = getCompilerInstance().getPreprocessor();
preprocessor.SetSuppressIncludeNotFoundError(true);
auto callbacks = new LupdatePPCallbacks(m_stores, preprocessor);
preprocessor.addPPCallbacks(std::unique_ptr<clang::PPCallbacks>(callbacks));
clang::PreprocessOnlyAction::ExecuteAction();
}
private:
WriteSynchronizedRef<TranslationRelatedStore> *m_stores { nullptr };
};
class LupdatePreprocessorActionFactory : public clang::tooling::FrontendActionFactory
{
public:
explicit LupdatePreprocessorActionFactory(WriteSynchronizedRef<TranslationRelatedStore> *stores)
: m_stores(stores)
{}
#if (LUPDATE_CLANG_VERSION >= LUPDATE_CLANG_VERSION_CHECK(10,0,0))
std::unique_ptr<clang::FrontendAction> create() override
{
return std::make_unique<LupdatePreprocessorAction>(m_stores);
}
#else
clang::FrontendAction *create() override
{
return new LupdatePreprocessorAction(m_stores);
}
#endif
private:
WriteSynchronizedRef<TranslationRelatedStore> *m_stores { nullptr };
};
QT_END_NAMESPACE
#endif
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