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1//===--- BackgroundIndexLoader.h - Load shards from index storage-*- C++-*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_BACKGROUNDINDEXLOADER_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_BACKGROUNDINDEXLOADER_H11 12#include "index/Background.h"13#include "support/Path.h"14#include "llvm/ADT/ArrayRef.h"15#include <memory>16#include <vector>17 18namespace clang {19namespace clangd {20 21/// Represents a shard loaded from storage, stores contents in \p Shard and22/// metadata about the source file that generated this shard.23struct LoadedShard {24 /// Path of the source file that produced this shard.25 Path AbsolutePath;26 /// Digest of the source file contents that produced this shard.27 FileDigest Digest = {};28 /// Whether the RefSlab in Shard should be used for updating symbol reference29 /// counts when building an index.30 bool CountReferences = false;31 /// Whether the indexing action producing that shard had errors.32 bool HadErrors = false;33 /// Path to a TU that is depending on this shard.34 Path DependentTU;35 /// Will be nullptr when index storage couldn't provide a valid shard for36 /// AbsolutePath.37 std::unique_ptr<IndexFileIn> Shard;38};39 40/// Loads all shards for the TU \p MainFile from \p Storage.41std::vector<LoadedShard>42loadIndexShards(llvm::ArrayRef<Path> MainFiles,43 BackgroundIndexStorage::Factory &IndexStorageFactory,44 const GlobalCompilationDatabase &CDB);45 46} // namespace clangd47} // namespace clang48 49#endif50