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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#pragma once
#include "clangrefactoringbackend_global.h"
#include "indexdataconsumer.h"
#include "sourcelocationentry.h"
#include "symbolentry.h"
#include <utils/smallstring.h>
#include <filepathcachingfwd.h>
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Frontend/FrontendAction.h>
#include <clang/Index/IndexingAction.h>
#include <clang/Lex/PreprocessorOptions.h>
#include <mutex>
namespace ClangBackEnd {
class CollectSymbolsAction : public clang::WrapperFrontendAction
{
public:
CollectSymbolsAction(std::shared_ptr<IndexDataConsumer> indexDataConsumer)
: clang::WrapperFrontendAction(
clang::index::createIndexingAction(indexDataConsumer, createIndexingOptions(), nullptr))
, m_indexDataConsumer(indexDataConsumer)
{}
std::unique_ptr<clang::ASTConsumer> newASTConsumer(clang::CompilerInstance &compilerInstance,
llvm::StringRef inFile);
static clang::index::IndexingOptions createIndexingOptions()
{
clang::index::IndexingOptions options;
options.SystemSymbolFilter = clang::index::IndexingOptions::SystemSymbolFilterKind::None;
options.IndexFunctionLocals = true;
options.IndexMacrosInPreprocessor = true;
return options;
}
bool BeginInvocation(clang::CompilerInstance &compilerInstance) override
{
m_indexDataConsumer->setSourceManager(&compilerInstance.getSourceManager());
compilerInstance.getPreprocessorOpts().AllowPCHWithCompilerErrors = true;
compilerInstance.getDiagnosticOpts().ErrorLimit = 1;
return clang::WrapperFrontendAction::BeginInvocation(compilerInstance);
}
bool BeginSourceFileAction(clang::CompilerInstance &compilerInstance) override
{
compilerInstance.getPreprocessor().SetSuppressIncludeNotFoundError(true);
return clang::WrapperFrontendAction::BeginSourceFileAction(compilerInstance);
}
void EndSourceFileAction() override { clang::WrapperFrontendAction::EndSourceFileAction(); }
bool PrepareToExecuteAction(clang::CompilerInstance &instance) override
{
return clang::WrapperFrontendAction::PrepareToExecuteAction(instance);
}
void ExecuteAction() override { clang::WrapperFrontendAction::ExecuteAction(); }
std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(clang::CompilerInstance &compilerInstance,
llvm::StringRef inFile) override
{
return WrapperFrontendAction::CreateASTConsumer(compilerInstance, inFile);
}
private:
std::shared_ptr<IndexDataConsumer> m_indexDataConsumer;
};
} // namespace ClangBackEnd
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