llvm/clang-tools-extra/clangd/index/FileIndex.cpp

//===--- FileIndex.cpp - Indexes for files. ------------------------ C++-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "FileIndex.h"
#include "CollectMacros.h"
#include "ParsedAST.h"
#include "clang-include-cleaner/Record.h"
#include "index/Index.h"
#include "index/MemIndex.h"
#include "index/Merge.h"
#include "index/Ref.h"
#include "index/Relation.h"
#include "index/Serialization.h"
#include "index/Symbol.h"
#include "index/SymbolCollector.h"
#include "index/SymbolID.h"
#include "index/SymbolOrigin.h"
#include "index/dex/Dex.h"
#include "support/Logger.h"
#include "support/MemoryTree.h"
#include "support/Path.h"
#include "clang/AST/ASTContext.h"
#include "clang/Index/IndexingAction.h"
#include "clang/Index/IndexingOptions.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include <algorithm>
#include <memory>
#include <optional>
#include <tuple>
#include <utility>
#include <vector>

namespace clang {
namespace clangd {
namespace {

SlabTuple indexSymbols(ASTContext &AST, Preprocessor &PP,
                       llvm::ArrayRef<Decl *> DeclsToIndex,
                       const MainFileMacros *MacroRefsToIndex,
                       const include_cleaner::PragmaIncludes &PI,
                       bool IsIndexMainAST, llvm::StringRef Version,
                       bool CollectMainFileRefs) { … }

// We keep only the node "U" and its edges. Any node other than "U" will be
// empty in the resultant graph.
IncludeGraph getSubGraph(llvm::StringRef URI, const IncludeGraph &FullGraph) { … }
} // namespace

FileShardedIndex::FileShardedIndex(IndexFileIn Input)
    : … { … }
std::vector<llvm::StringRef> FileShardedIndex::getAllSources() const { … }

std::optional<IndexFileIn>
FileShardedIndex::getShard(llvm::StringRef Uri) const { … }

SlabTuple indexMainDecls(ParsedAST &AST) { … }

SlabTuple indexHeaderSymbols(llvm::StringRef Version, ASTContext &AST,
                             Preprocessor &PP,
                             const include_cleaner::PragmaIncludes &PI) { … }

FileSymbols::FileSymbols(IndexContents IdxContents)
    : … { … }

void FileSymbols::update(llvm::StringRef Key,
                         std::unique_ptr<SymbolSlab> Symbols,
                         std::unique_ptr<RefSlab> Refs,
                         std::unique_ptr<RelationSlab> Relations,
                         bool CountReferences) { … }

std::unique_ptr<SymbolIndex>
FileSymbols::buildIndex(IndexType Type, DuplicateHandling DuplicateHandle,
                        size_t *Version) { … }

void FileSymbols::profile(MemoryTree &MT) const { … }

FileIndex::FileIndex()
    : … { … }

void FileIndex::updatePreamble(IndexFileIn IF) { … }

void FileIndex::updatePreamble(PathRef Path, llvm::StringRef Version,
                               ASTContext &AST, Preprocessor &PP,
                               const include_cleaner::PragmaIncludes &PI) { … }

void FileIndex::updateMain(PathRef Path, ParsedAST &AST) { … }

void FileIndex::profile(MemoryTree &MT) const { … }
} // namespace clangd
} // namespace clang