llvm/clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h

//===- ModuleDepCollector.h - Callbacks to collect deps ---------*- 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
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_MODULEDEPCOLLECTOR_H
#define LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_MODULEDEPCOLLECTOR_H

#include "clang/Basic/LLVM.h"
#include "clang/Basic/Module.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/Utils.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/PPCallbacks.h"
#include "clang/Serialization/ASTReader.h"
#include "clang/Tooling/DependencyScanning/DependencyScanningService.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/raw_ostream.h"
#include <optional>
#include <string>
#include <unordered_map>
#include <variant>

namespace clang {
namespace tooling {
namespace dependencies {

class DependencyActionController;
class DependencyConsumer;

/// Modular dependency that has already been built prior to the dependency scan.
struct PrebuiltModuleDep { … };

/// This is used to identify a specific module.
struct ModuleID { … };

/// P1689ModuleInfo - Represents the needed information of standard C++20
/// modules for P1689 format.
struct P1689ModuleInfo { … };

/// An output from a module compilation, such as the path of the module file.
enum class ModuleOutputKind { … };

struct ModuleDeps { … };

PrebuiltModuleVFSMapT;

class ModuleDepCollector;

/// Callback that records textual includes and direct modular includes/imports
/// during preprocessing. At the end of the main file, it also collects
/// transitive modular dependencies and passes everything to the
/// \c DependencyConsumer of the parent \c ModuleDepCollector.
class ModuleDepCollectorPP final : public PPCallbacks { … };

/// Collects modular and non-modular dependencies of the main file by attaching
/// \c ModuleDepCollectorPP to the preprocessor.
class ModuleDepCollector final : public DependencyCollector { … };

/// Resets codegen options that don't affect modules/PCH.
void resetBenignCodeGenOptions(frontend::ActionKind ProgramAction,
                               const LangOptions &LangOpts,
                               CodeGenOptions &CGOpts);

} // end namespace dependencies
} // end namespace tooling
} // end namespace clang

namespace llvm {
inline hash_code hash_value(const clang::tooling::dependencies::ModuleID &ID) { … }

template <> struct DenseMapInfo<clang::tooling::dependencies::ModuleID> { … };
} // namespace llvm

#endif // LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_MODULEDEPCOLLECTOR_H