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//===--- BackgroundIndexLoader.h - Load shards from index storage-*- C++-*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "index/Background.h"
#include "support/Path.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/VirtualFileSystem.h"
#include <memory>
#include <vector>
namespace clang {
namespace clangd {
/// Represents a shard loaded from storage, stores contents in \p Shard and
/// metadata about the source file that generated this shard.
struct LoadedShard {
/// Path of the source file that produced this shard.
Path AbsolutePath;
/// Digest of the source file contents that produced this shard.
FileDigest Digest = {};
/// Whether the RefSlab in Shard should be used for updating symbol reference
/// counts when building an index.
bool CountReferences = false;
/// Whether the indexing action producing that shard had errors.
bool HadErrors = false;
/// Path to a TU that is depending on this shard.
Path DependentTU;
/// Will be nullptr when index storage couldn't provide a valid shard for
/// AbsolutePath.
std::unique_ptr<IndexFileIn> Shard;
/// Loads all shards for the TU \p MainFile from \p Storage.
loadIndexShards(llvm::ArrayRef<Path> MainFiles,
BackgroundIndexStorage::Factory &IndexStorageFactory,
const GlobalCompilationDatabase &CDB);
} // namespace clangd
} // namespace clang