YouCompleteMe/cpp/ycm/ClangCompleter/TranslationUnitStore.h
2013-08-16 14:49:00 -07:00

85 lines
2.8 KiB
C++

// Copyright (C) 2013 Strahinja Val Markovic <val@markovic.io>
//
// This file is part of YouCompleteMe.
//
// YouCompleteMe is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// YouCompleteMe 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
#ifndef TRANSLATIONUNITSTORE_H_NGN0MCKB
#define TRANSLATIONUNITSTORE_H_NGN0MCKB
#include "TranslationUnit.h"
#include "UnsavedFile.h"
#include <string>
#include <vector>
#include <boost/utility.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/unordered_map.hpp>
typedef void *CXIndex;
namespace YouCompleteMe {
class TranslationUnitStore : boost::noncopyable {
public:
TranslationUnitStore( CXIndex clang_index );
~TranslationUnitStore();
// You can even call this function for the same filename from multiple
// threads; the TU store will ensure only one TU is created.
boost::shared_ptr< TranslationUnit > GetOrCreate(
const std::string &filename,
const std::vector< UnsavedFile > &unsaved_files,
const std::vector< std::string > &flags );
boost::shared_ptr< TranslationUnit > GetOrCreate(
const std::string &filename,
const std::vector< UnsavedFile > &unsaved_files,
const std::vector< std::string > &flags,
bool &translation_unit_created );
// Careful here! While GetOrCreate makes sure to take into account the flags
// for the file before returning a stored TU (if the flags changed, the TU is
// not really valid anymore and a new one should be built), this function does
// not. You might end up getting a stale TU.
boost::shared_ptr< TranslationUnit > Get( const std::string &filename );
bool Remove( const std::string &filename );
void RemoveAll();
private:
// WARNING: This accesses filename_to_translation_unit_ without a lock!
boost::shared_ptr< TranslationUnit > GetNoLock( const std::string &filename );
typedef boost::unordered_map< std::string,
boost::shared_ptr< TranslationUnit > > TranslationUnitForFilename;
typedef boost::unordered_map< std::string,
std::size_t > FlagsHashForFilename;
CXIndex clang_index_;
TranslationUnitForFilename filename_to_translation_unit_;
FlagsHashForFilename filename_to_flags_hash_;
boost::mutex filename_to_translation_unit_and_flags_mutex_;
};
} // namespace YouCompleteMe
#endif // TRANSLATIONUNITSTORE_H_NGN0MCKB