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/****************************************************************************
**
** Copyright (C) 2019 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 CLANG_TOOL_AST_READER_H
#define CLANG_TOOL_AST_READER_H
#include "cpp_clang.h"
#if defined(Q_CC_MSVC)
# pragma warning(push)
# pragma warning(disable: 4100)
# pragma warning(disable: 4146)
# pragma warning(disable: 4267)
# pragma warning(disable: 4624)
#endif
#include <clang/AST/RecursiveASTVisitor.h>
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Frontend/FrontendActions.h>
#include <clang/Tooling/Tooling.h>
#if defined(Q_CC_MSVC)
# pragma warning(pop)
#endif
#include <iostream>
#include <memory>
QT_BEGIN_NAMESPACE
class Translator;
class LupdateVisitor : public clang::RecursiveASTVisitor<LupdateVisitor>
{
public:
explicit LupdateVisitor(clang::ASTContext *context, Stores *stores)
: m_context(context)
, m_stores(stores)
{
m_inputFile = m_context->getSourceManager().getFileEntryForID(
m_context->getSourceManager().getMainFileID())->getName();
}
bool VisitCallExpr(clang::CallExpr *callExpression);
void processPreprocessorCalls();
bool VisitNamedDecl(clang::NamedDecl *namedDeclaration);
void findContextForTranslationStoresFromPP(clang::NamedDecl *namedDeclaration);
void generateOuput();
private:
std::vector<QString> rawCommentsForCallExpr(const clang::CallExpr *callExpr) const;
std::vector<QString> rawCommentsFromSourceLocation(clang::SourceLocation sourceLocation) const;
void setInfoFromRawComment(const QString &commentString, TranslationRelatedStore *store);
void processPreprocessorCall(TranslationRelatedStore store);
void processIsolatedComments();
clang::ASTContext *m_context = nullptr;
std::string m_inputFile;
Stores *m_stores = nullptr;
TranslationStores m_trCalls;
TranslationStores m_qDeclareTrMacroAll;
TranslationStores m_noopTranslationMacroAll;
bool m_macro = false;
};
class LupdateASTConsumer : public clang::ASTConsumer
{
public:
explicit LupdateASTConsumer(clang::ASTContext *context, Stores *stores)
: m_visitor(context, stores)
{}
// This method is called when the ASTs for entire translation unit have been
// parsed.
void HandleTranslationUnit(clang::ASTContext &context) override
{
m_visitor.processPreprocessorCalls();
bool traverse = m_visitor.TraverseAST(context);
qCDebug(lcClang) << "TraverseAST: " << traverse;
m_visitor.generateOuput();
}
private:
LupdateVisitor m_visitor;
};
class LupdateFrontendAction : public clang::ASTFrontendAction
{
public:
LupdateFrontendAction(Stores *stores)
: m_stores(stores)
{}
std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(
clang::CompilerInstance &compiler, llvm::StringRef /* inFile */) override
{
auto consumer = new LupdateASTConsumer(&compiler.getASTContext(), m_stores);
return std::unique_ptr<clang::ASTConsumer>(consumer);
}
private:
Stores *m_stores = nullptr;
};
class LupdateToolActionFactory : public clang::tooling::FrontendActionFactory
{
public:
LupdateToolActionFactory(Stores *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<LupdateFrontendAction>(m_stores);
}
#else
clang::FrontendAction *create() override
{
return new LupdateFrontendAction(m_stores);
}
#endif
private:
Stores *m_stores = nullptr;
};
QT_END_NAMESPACE
#endif
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