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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.
**
****************************************************************************/
#include "symbolscollector.h"
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Frontend/FrontendActions.h>
#include <clang/Lex/PreprocessorOptions.h>
namespace ClangBackEnd {
SymbolsCollector::SymbolsCollector(Sqlite::Database &database)
: m_filePathCache(database),
m_indexDataConsumer(std::make_shared<IndexDataConsumer>(m_symbolEntries, m_sourceLocationEntries, m_filePathCache, m_sourcesManager)),
m_collectSymbolsAction(m_indexDataConsumer),
m_collectMacrosSourceFileCallbacks(m_symbolEntries, m_sourceLocationEntries, m_filePathCache, m_sourcesManager)
{
}
void SymbolsCollector::addFiles(const FilePathIds &filePathIds,
const Utils::SmallStringVector &arguments)
{
m_clangTool.addFiles(m_filePathCache.filePaths(filePathIds), arguments);
m_collectMacrosSourceFileCallbacks.addSourceFiles(filePathIds);
}
void SymbolsCollector::setFile(FilePathId filePathId, const Utils::SmallStringVector &arguments)
{
addFiles({filePathId}, arguments);
}
void SymbolsCollector::setUnsavedFiles(const V2::FileContainers &unsavedFiles)
{
m_clangTool.addUnsavedFiles(unsavedFiles);
}
void SymbolsCollector::clear()
{
m_indexDataConsumer->clear();
m_collectMacrosSourceFileCallbacks.clear();
m_symbolEntries.clear();
m_sourceLocationEntries.clear();
m_clangTool = ClangTool();
}
template <typename Factory>
std::unique_ptr<clang::tooling::FrontendActionFactory>
newFrontendActionFactory(Factory *consumerFactory,
clang::tooling::SourceFileCallbacks *sourceFileCallbacks)
{
class FrontendActionFactoryAdapter : public clang::tooling::FrontendActionFactory
{
public:
explicit FrontendActionFactoryAdapter(Factory *consumerFactory,
clang::tooling::SourceFileCallbacks *sourceFileCallbacks)
: m_consumerFactory(consumerFactory),
m_sourceFileCallbacks(sourceFileCallbacks)
{}
clang::FrontendAction *create() override {
return new ConsumerFactoryAdaptor(m_consumerFactory, m_sourceFileCallbacks);
}
private:
class ConsumerFactoryAdaptor : public clang::ASTFrontendAction {
public:
ConsumerFactoryAdaptor(Factory *consumerFactory,
clang::tooling::SourceFileCallbacks *sourceFileCallbacks)
: m_consumerFactory(consumerFactory),
m_sourceFileCallbacks(sourceFileCallbacks)
{}
std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(clang::CompilerInstance &instance,
llvm::StringRef inFile) override
{
return m_consumerFactory->newASTConsumer(instance, inFile);
}
protected:
bool BeginInvocation(clang::CompilerInstance &compilerInstance) override
{
compilerInstance.getPreprocessorOpts().AllowPCHWithCompilerErrors = true;
compilerInstance.getDiagnosticOpts().ErrorLimit = 1;
return clang::ASTFrontendAction::BeginInvocation(compilerInstance);
}
bool BeginSourceFileAction(clang::CompilerInstance &compilerInstance) override
{
compilerInstance.getPreprocessor().SetSuppressIncludeNotFoundError(true);
if (!clang::ASTFrontendAction::BeginSourceFileAction(compilerInstance))
return false;
if (m_sourceFileCallbacks)
return m_sourceFileCallbacks->handleBeginSource(compilerInstance);
return true;
}
void EndSourceFileAction() override
{
if (m_sourceFileCallbacks)
m_sourceFileCallbacks->handleEndSource();
clang::ASTFrontendAction::EndSourceFileAction();
}
private:
Factory *m_consumerFactory;
clang::tooling::SourceFileCallbacks *m_sourceFileCallbacks;
};
Factory *m_consumerFactory;
clang::tooling::SourceFileCallbacks *m_sourceFileCallbacks;
};
return std::unique_ptr<clang::tooling::FrontendActionFactory>(
new FrontendActionFactoryAdapter(consumerFactory, sourceFileCallbacks));
}
bool SymbolsCollector::collectSymbols()
{
auto tool = m_clangTool.createTool();
auto actionFactory = ClangBackEnd::newFrontendActionFactory(&m_collectSymbolsAction,
&m_collectMacrosSourceFileCallbacks);
return tool.run(actionFactory.get()) != 1;
}
void SymbolsCollector::doInMainThreadAfterFinished()
{
}
const SymbolEntries &SymbolsCollector::symbols() const
{
return m_symbolEntries;
}
const SourceLocationEntries &SymbolsCollector::sourceLocations() const
{
return m_sourceLocationEntries;
}
const FilePathIds &SymbolsCollector::sourceFiles() const
{
return m_collectMacrosSourceFileCallbacks.sourceFiles();
}
const UsedMacros &SymbolsCollector::usedMacros() const
{
return m_collectMacrosSourceFileCallbacks.usedMacros();
}
const FileStatuses &SymbolsCollector::fileStatuses() const
{
return m_collectMacrosSourceFileCallbacks.fileStatuses();
}
const SourceDependencies &SymbolsCollector::sourceDependencies() const
{
return m_collectMacrosSourceFileCallbacks.sourceDependencies();
}
bool SymbolsCollector::isUsed() const
{
return m_isUsed;
}
void SymbolsCollector::setIsUsed(bool isUsed)
{
m_isUsed = isUsed;
}
} // namespace ClangBackEnd
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