| //===--- IndexDataStore.h - Index data store info -------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_INDEX_INDEXDATASTORE_H |
| #define LLVM_CLANG_INDEX_INDEXDATASTORE_H |
| |
| #include "clang/Basic/LLVM.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include <functional> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| namespace clang { |
| namespace index { |
| |
| class AbstractDirectoryWatcher { |
| public: |
| enum class EventKind { |
| /// A file was added. |
| Added, |
| /// A file was removed. |
| Removed, |
| /// A file was modified. |
| Modified, |
| /// The watched directory got deleted. No more events will follow. |
| DirectoryDeleted, |
| }; |
| |
| struct Event { |
| EventKind Kind; |
| std::string Filename; |
| timespec ModTime; |
| }; |
| |
| typedef std::function<void(ArrayRef<Event> Events, bool isInitial)> EventReceiver; |
| typedef std::unique_ptr<AbstractDirectoryWatcher>(CreateFnTy) |
| (StringRef Path, EventReceiver Receiver, bool waitInitialSync, std::string &Error); |
| |
| virtual ~AbstractDirectoryWatcher() {} |
| }; |
| |
| class IndexDataStore { |
| public: |
| ~IndexDataStore(); |
| |
| static std::unique_ptr<IndexDataStore> |
| create(StringRef IndexStorePath, std::string &Error); |
| |
| StringRef getFilePath() const; |
| bool foreachUnitName(bool sorted, |
| llvm::function_ref<bool(StringRef unitName)> receiver); |
| |
| static unsigned getFormatVersion(); |
| |
| enum class UnitEventKind { |
| Added, |
| Removed, |
| Modified, |
| /// The directory got deleted. No more events will follow. |
| DirectoryDeleted, |
| }; |
| struct UnitEvent { |
| UnitEventKind Kind; |
| StringRef UnitName; |
| timespec ModTime; |
| }; |
| struct UnitEventNotification { |
| bool IsInitial; |
| ArrayRef<UnitEvent> Events; |
| }; |
| typedef std::function<void(UnitEventNotification)> UnitEventHandler; |
| |
| void setUnitEventHandler(UnitEventHandler Handler); |
| /// \returns true if an error occurred. |
| bool startEventListening(llvm::function_ref<AbstractDirectoryWatcher::CreateFnTy> createFn, |
| bool waitInitialSync, std::string &Error); |
| void stopEventListening(); |
| |
| void discardUnit(StringRef UnitName); |
| void discardRecord(StringRef RecordName); |
| |
| void purgeStaleData(); |
| |
| private: |
| IndexDataStore(void *Impl) : Impl(Impl) {} |
| |
| void *Impl; // An IndexDataStoreImpl. |
| }; |
| |
| } // namespace index |
| } // namespace clang |
| |
| #endif |