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

//===--- IndexAction.cpp -----------------------------------------*- 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 "IndexAction.h"
#include "AST.h"
#include "Headers.h"
#include "clang-include-cleaner/Record.h"
#include "index/Relation.h"
#include "index/SymbolCollector.h"
#include "index/SymbolOrigin.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendAction.h"
#include "clang/Index/IndexingAction.h"
#include "clang/Index/IndexingOptions.h"
#include <cstddef>
#include <functional>
#include <memory>
#include <optional>
#include <utility>

namespace clang {
namespace clangd {
namespace {

std::optional<std::string> toURI(OptionalFileEntryRef File) { … }

// Collects the nodes and edges of include graph during indexing action.
// Important: The graph generated by those callbacks might contain cycles and
// self edges.
struct IncludeGraphCollector : public PPCallbacks { … };

// Wraps the index action and reports index data after each translation unit.
class IndexAction : public ASTFrontendAction { … };

} // namespace

std::unique_ptr<FrontendAction> createStaticIndexingAction(
    SymbolCollector::Options Opts,
    std::function<void(SymbolSlab)> SymbolsCallback,
    std::function<void(RefSlab)> RefsCallback,
    std::function<void(RelationSlab)> RelationsCallback,
    std::function<void(IncludeGraph)> IncludeGraphCallback) { … }

} // namespace clangd
} // namespace clang