1 files changed, 0 insertions, 941 deletions

diff --git a/contrib/llvm/tools/clang/lib/Frontend/FrontendActions.cpp b/contrib/llvm/tools/clang/lib/Frontend/FrontendActions.cpp
deleted file mode 100644
index e37afae5332a..000000000000
--- a/contrib/llvm/tools/clang/lib/Frontend/FrontendActions.cpp
+++ /dev/null
@@ -1,941 +0,0 @@
-//===--- FrontendActions.cpp ----------------------------------------------===//
-//
-// 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 "clang/Frontend/FrontendActions.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Frontend/ASTConsumers.h"
-#include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/MultiplexConsumer.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/Lex/DependencyDirectivesSourceMinimizer.h"
-#include "clang/Lex/HeaderSearch.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Lex/PreprocessorOptions.h"
-#include "clang/Sema/TemplateInstCallback.h"
-#include "clang/Serialization/ASTReader.h"
-#include "clang/Serialization/ASTWriter.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/YAMLTraits.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <system_error>
-
-using namespace clang;
-
-namespace {
-CodeCompleteConsumer *GetCodeCompletionConsumer(CompilerInstance &CI) {
-  return CI.hasCodeCompletionConsumer() ? &CI.getCodeCompletionConsumer()
-                                        : nullptr;
-}
-
-void EnsureSemaIsCreated(CompilerInstance &CI, FrontendAction &Action) {
-  if (Action.hasCodeCompletionSupport() &&
-      !CI.getFrontendOpts().CodeCompletionAt.FileName.empty())
-    CI.createCodeCompletionConsumer();
-
-  if (!CI.hasSema())
-    CI.createSema(Action.getTranslationUnitKind(),
-                  GetCodeCompletionConsumer(CI));
-}
-} // namespace
-
-//===----------------------------------------------------------------------===//
-// Custom Actions
-//===----------------------------------------------------------------------===//
-
-std::unique_ptr<ASTConsumer>
-InitOnlyAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
-}
-
-void InitOnlyAction::ExecuteAction() {
-}
-
-//===----------------------------------------------------------------------===//
-// AST Consumer Actions
-//===----------------------------------------------------------------------===//
-
-std::unique_ptr<ASTConsumer>
-ASTPrintAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  if (std::unique_ptr<raw_ostream> OS =
-          CI.createDefaultOutputFile(false, InFile))
-    return CreateASTPrinter(std::move(OS), CI.getFrontendOpts().ASTDumpFilter);
-  return nullptr;
-}
-
-std::unique_ptr<ASTConsumer>
-ASTDumpAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  const FrontendOptions &Opts = CI.getFrontendOpts();
-  return CreateASTDumper(nullptr /*Dump to stdout.*/, Opts.ASTDumpFilter,
-                         Opts.ASTDumpDecls, Opts.ASTDumpAll,
-                         Opts.ASTDumpLookups, Opts.ASTDumpFormat);
-}
-
-std::unique_ptr<ASTConsumer>
-ASTDeclListAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return CreateASTDeclNodeLister();
-}
-
-std::unique_ptr<ASTConsumer>
-ASTViewAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return CreateASTViewer();
-}
-
-std::unique_ptr<ASTConsumer>
-GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  std::string Sysroot;
-  if (!ComputeASTConsumerArguments(CI, /*ref*/ Sysroot))
-    return nullptr;
-
-  std::string OutputFile;
-  std::unique_ptr<raw_pwrite_stream> OS =
-      CreateOutputFile(CI, InFile, /*ref*/ OutputFile);
-  if (!OS)
-    return nullptr;
-
-  if (!CI.getFrontendOpts().RelocatablePCH)
-    Sysroot.clear();
-
-  const auto &FrontendOpts = CI.getFrontendOpts();
-  auto Buffer = std::make_shared<PCHBuffer>();
-  std::vector<std::unique_ptr<ASTConsumer>> Consumers;
-  Consumers.push_back(llvm::make_unique<PCHGenerator>(
-      CI.getPreprocessor(), CI.getModuleCache(), OutputFile, Sysroot, Buffer,
-      FrontendOpts.ModuleFileExtensions,
-      CI.getPreprocessorOpts().AllowPCHWithCompilerErrors,
-      FrontendOpts.IncludeTimestamps, +CI.getLangOpts().CacheGeneratedPCH));
-  Consumers.push_back(CI.getPCHContainerWriter().CreatePCHContainerGenerator(
-      CI, InFile, OutputFile, std::move(OS), Buffer));
-
-  return llvm::make_unique<MultiplexConsumer>(std::move(Consumers));
-}
-
-bool GeneratePCHAction::ComputeASTConsumerArguments(CompilerInstance &CI,
-                                                    std::string &Sysroot) {
-  Sysroot = CI.getHeaderSearchOpts().Sysroot;
-  if (CI.getFrontendOpts().RelocatablePCH && Sysroot.empty()) {
-    CI.getDiagnostics().Report(diag::err_relocatable_without_isysroot);
-    return false;
-  }
-
-  return true;
-}
-
-std::unique_ptr<llvm::raw_pwrite_stream>
-GeneratePCHAction::CreateOutputFile(CompilerInstance &CI, StringRef InFile,
-                                    std::string &OutputFile) {
-  // We use createOutputFile here because this is exposed via libclang, and we
-  // must disable the RemoveFileOnSignal behavior.
-  // We use a temporary to avoid race conditions.
-  std::unique_ptr<raw_pwrite_stream> OS =
-      CI.createOutputFile(CI.getFrontendOpts().OutputFile, /*Binary=*/true,
-                          /*RemoveFileOnSignal=*/false, InFile,
-                          /*Extension=*/"", /*UseTemporary=*/true);
-  if (!OS)
-    return nullptr;
-
-  OutputFile = CI.getFrontendOpts().OutputFile;
-  return OS;
-}
-
-bool GeneratePCHAction::shouldEraseOutputFiles() {
-  if (getCompilerInstance().getPreprocessorOpts().AllowPCHWithCompilerErrors)
-    return false;
-  return ASTFrontendAction::shouldEraseOutputFiles();
-}
-
-bool GeneratePCHAction::BeginSourceFileAction(CompilerInstance &CI) {
-  CI.getLangOpts().CompilingPCH = true;
-  return true;
-}
-
-std::unique_ptr<ASTConsumer>
-GenerateModuleAction::CreateASTConsumer(CompilerInstance &CI,
-                                        StringRef InFile) {
-  std::unique_ptr<raw_pwrite_stream> OS = CreateOutputFile(CI, InFile);
-  if (!OS)
-    return nullptr;
-
-  std::string OutputFile = CI.getFrontendOpts().OutputFile;
-  std::string Sysroot;
-
-  auto Buffer = std::make_shared<PCHBuffer>();
-  std::vector<std::unique_ptr<ASTConsumer>> Consumers;
-
-  Consumers.push_back(llvm::make_unique<PCHGenerator>(
-      CI.getPreprocessor(), CI.getModuleCache(), OutputFile, Sysroot, Buffer,
-      CI.getFrontendOpts().ModuleFileExtensions,
-      /*AllowASTWithErrors=*/false,
-      /*IncludeTimestamps=*/
-      +CI.getFrontendOpts().BuildingImplicitModule,
-      /*ShouldCacheASTInMemory=*/
-      +CI.getFrontendOpts().BuildingImplicitModule));
-  Consumers.push_back(CI.getPCHContainerWriter().CreatePCHContainerGenerator(
-      CI, InFile, OutputFile, std::move(OS), Buffer));
-  return llvm::make_unique<MultiplexConsumer>(std::move(Consumers));
-}
-
-bool GenerateModuleFromModuleMapAction::BeginSourceFileAction(
-    CompilerInstance &CI) {
-  if (!CI.getLangOpts().Modules) {
-    CI.getDiagnostics().Report(diag::err_module_build_requires_fmodules);
-    return false;
-  }
-
-  return GenerateModuleAction::BeginSourceFileAction(CI);
-}
-
-std::unique_ptr<raw_pwrite_stream>
-GenerateModuleFromModuleMapAction::CreateOutputFile(CompilerInstance &CI,
-                                                    StringRef InFile) {
-  // If no output file was provided, figure out where this module would go
-  // in the module cache.
-  if (CI.getFrontendOpts().OutputFile.empty()) {
-    StringRef ModuleMapFile = CI.getFrontendOpts().OriginalModuleMap;
-    if (ModuleMapFile.empty())
-      ModuleMapFile = InFile;
-
-    HeaderSearch &HS = CI.getPreprocessor().getHeaderSearchInfo();
-    CI.getFrontendOpts().OutputFile =
-        HS.getCachedModuleFileName(CI.getLangOpts().CurrentModule,
-                                   ModuleMapFile);
-  }
-
-  // We use createOutputFile here because this is exposed via libclang, and we
-  // must disable the RemoveFileOnSignal behavior.
-  // We use a temporary to avoid race conditions.
-  return CI.createOutputFile(CI.getFrontendOpts().OutputFile, /*Binary=*/true,
-                             /*RemoveFileOnSignal=*/false, InFile,
-                             /*Extension=*/"", /*UseTemporary=*/true,
-                             /*CreateMissingDirectories=*/true);
-}
-
-bool GenerateModuleInterfaceAction::BeginSourceFileAction(
-    CompilerInstance &CI) {
-  if (!CI.getLangOpts().ModulesTS && !CI.getLangOpts().CPlusPlusModules) {
-    CI.getDiagnostics().Report(diag::err_module_interface_requires_cpp_modules);
-    return false;
-  }
-
-  CI.getLangOpts().setCompilingModule(LangOptions::CMK_ModuleInterface);
-
-  return GenerateModuleAction::BeginSourceFileAction(CI);
-}
-
-std::unique_ptr<raw_pwrite_stream>
-GenerateModuleInterfaceAction::CreateOutputFile(CompilerInstance &CI,
-                                                StringRef InFile) {
-  return CI.createDefaultOutputFile(/*Binary=*/true, InFile, "pcm");
-}
-
-bool GenerateHeaderModuleAction::PrepareToExecuteAction(
-    CompilerInstance &CI) {
-  if (!CI.getLangOpts().Modules) {
-    CI.getDiagnostics().Report(diag::err_header_module_requires_modules);
-    return false;
-  }
-
-  auto &Inputs = CI.getFrontendOpts().Inputs;
-  if (Inputs.empty())
-    return GenerateModuleAction::BeginInvocation(CI);
-
-  auto Kind = Inputs[0].getKind();
-
-  // Convert the header file inputs into a single module input buffer.
-  SmallString<256> HeaderContents;
-  ModuleHeaders.reserve(Inputs.size());
-  for (const FrontendInputFile &FIF : Inputs) {
-    // FIXME: We should support re-compiling from an AST file.
-    if (FIF.getKind().getFormat() != InputKind::Source || !FIF.isFile()) {
-      CI.getDiagnostics().Report(diag::err_module_header_file_not_found)
-          << (FIF.isFile() ? FIF.getFile()
-                           : FIF.getBuffer()->getBufferIdentifier());
-      return true;
-    }
-
-    HeaderContents += "#include \"";
-    HeaderContents += FIF.getFile();
-    HeaderContents += "\"\n";
-    ModuleHeaders.push_back(FIF.getFile());
-  }
-  Buffer = llvm::MemoryBuffer::getMemBufferCopy(
-      HeaderContents, Module::getModuleInputBufferName());
-
-  // Set that buffer up as our "real" input.
-  Inputs.clear();
-  Inputs.push_back(FrontendInputFile(Buffer.get(), Kind, /*IsSystem*/false));
-
-  return GenerateModuleAction::PrepareToExecuteAction(CI);
-}
-
-bool GenerateHeaderModuleAction::BeginSourceFileAction(
-    CompilerInstance &CI) {
-  CI.getLangOpts().setCompilingModule(LangOptions::CMK_HeaderModule);
-
-  // Synthesize a Module object for the given headers.
-  auto &HS = CI.getPreprocessor().getHeaderSearchInfo();
-  SmallVector<Module::Header, 16> Headers;
-  for (StringRef Name : ModuleHeaders) {
-    const DirectoryLookup *CurDir = nullptr;
-    const FileEntry *FE = HS.LookupFile(
-        Name, SourceLocation(), /*Angled*/ false, nullptr, CurDir,
-        None, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
-    if (!FE) {
-      CI.getDiagnostics().Report(diag::err_module_header_file_not_found)
-        << Name;
-      continue;
-    }
-    Headers.push_back({Name, FE});
-  }
-  HS.getModuleMap().createHeaderModule(CI.getLangOpts().CurrentModule, Headers);
-
-  return GenerateModuleAction::BeginSourceFileAction(CI);
-}
-
-std::unique_ptr<raw_pwrite_stream>
-GenerateHeaderModuleAction::CreateOutputFile(CompilerInstance &CI,
-                                             StringRef InFile) {
-  return CI.createDefaultOutputFile(/*Binary=*/true, InFile, "pcm");
-}
-
-SyntaxOnlyAction::~SyntaxOnlyAction() {
-}
-
-std::unique_ptr<ASTConsumer>
-SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
-}
-
-std::unique_ptr<ASTConsumer>
-DumpModuleInfoAction::CreateASTConsumer(CompilerInstance &CI,
-                                        StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
-}
-
-std::unique_ptr<ASTConsumer>
-VerifyPCHAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
-}
-
-void VerifyPCHAction::ExecuteAction() {
-  CompilerInstance &CI = getCompilerInstance();
-  bool Preamble = CI.getPreprocessorOpts().PrecompiledPreambleBytes.first != 0;
-  const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;
-  std::unique_ptr<ASTReader> Reader(new ASTReader(
-      CI.getPreprocessor(), CI.getModuleCache(), &CI.getASTContext(),
-      CI.getPCHContainerReader(), CI.getFrontendOpts().ModuleFileExtensions,
-      Sysroot.empty() ? "" : Sysroot.c_str(),
-      /*DisableValidation*/ false,
-      /*AllowPCHWithCompilerErrors*/ false,
-      /*AllowConfigurationMismatch*/ true,
-      /*ValidateSystemInputs*/ true));
-
-  Reader->ReadAST(getCurrentFile(),
-                  Preamble ? serialization::MK_Preamble
-                           : serialization::MK_PCH,
-                  SourceLocation(),
-                  ASTReader::ARR_ConfigurationMismatch);
-}
-
-namespace {
-struct TemplightEntry {
-  std::string Name;
-  std::string Kind;
-  std::string Event;
-  std::string DefinitionLocation;
-  std::string PointOfInstantiation;
-};
-} // namespace
-
-namespace llvm {
-namespace yaml {
-template <> struct MappingTraits<TemplightEntry> {
-  static void mapping(IO &io, TemplightEntry &fields) {
-    io.mapRequired("name", fields.Name);
-    io.mapRequired("kind", fields.Kind);
-    io.mapRequired("event", fields.Event);
-    io.mapRequired("orig", fields.DefinitionLocation);
-    io.mapRequired("poi", fields.PointOfInstantiation);
-  }
-};
-} // namespace yaml
-} // namespace llvm
-
-namespace {
-class DefaultTemplateInstCallback : public TemplateInstantiationCallback {
-  using CodeSynthesisContext = Sema::CodeSynthesisContext;
-
-public:
-  void initialize(const Sema &) override {}
-
-  void finalize(const Sema &) override {}
-
-  void atTemplateBegin(const Sema &TheSema,
-                       const CodeSynthesisContext &Inst) override {
-    displayTemplightEntry<true>(llvm::outs(), TheSema, Inst);
-  }
-
-  void atTemplateEnd(const Sema &TheSema,
-                     const CodeSynthesisContext &Inst) override {
-    displayTemplightEntry<false>(llvm::outs(), TheSema, Inst);
-  }
-
-private:
-  static std::string toString(CodeSynthesisContext::SynthesisKind Kind) {
-    switch (Kind) {
-    case CodeSynthesisContext::TemplateInstantiation:
-      return "TemplateInstantiation";
-    case CodeSynthesisContext::DefaultTemplateArgumentInstantiation:
-      return "DefaultTemplateArgumentInstantiation";
-    case CodeSynthesisContext::DefaultFunctionArgumentInstantiation:
-      return "DefaultFunctionArgumentInstantiation";
-    case CodeSynthesisContext::ExplicitTemplateArgumentSubstitution:
-      return "ExplicitTemplateArgumentSubstitution";
-    case CodeSynthesisContext::DeducedTemplateArgumentSubstitution:
-      return "DeducedTemplateArgumentSubstitution";
-    case CodeSynthesisContext::PriorTemplateArgumentSubstitution:
-      return "PriorTemplateArgumentSubstitution";
-    case CodeSynthesisContext::DefaultTemplateArgumentChecking:
-      return "DefaultTemplateArgumentChecking";
-    case CodeSynthesisContext::ExceptionSpecEvaluation:
-      return "ExceptionSpecEvaluation";
-    case CodeSynthesisContext::ExceptionSpecInstantiation:
-      return "ExceptionSpecInstantiation";
-    case CodeSynthesisContext::DeclaringSpecialMember:
-      return "DeclaringSpecialMember";
-    case CodeSynthesisContext::DefiningSynthesizedFunction:
-      return "DefiningSynthesizedFunction";
-    case CodeSynthesisContext::Memoization:
-      return "Memoization";
-    }
-    return "";
-  }
-
-  template <bool BeginInstantiation>
-  static void displayTemplightEntry(llvm::raw_ostream &Out, const Sema &TheSema,
-                                    const CodeSynthesisContext &Inst) {
-    std::string YAML;
-    {
-      llvm::raw_string_ostream OS(YAML);
-      llvm::yaml::Output YO(OS);
-      TemplightEntry Entry =
-          getTemplightEntry<BeginInstantiation>(TheSema, Inst);
-      llvm::yaml::EmptyContext Context;
-      llvm::yaml::yamlize(YO, Entry, true, Context);
-    }
-    Out << "---" << YAML << "\n";
-  }
-
-  template <bool BeginInstantiation>
-  static TemplightEntry getTemplightEntry(const Sema &TheSema,
-                                          const CodeSynthesisContext &Inst) {
-    TemplightEntry Entry;
-    Entry.Kind = toString(Inst.Kind);
-    Entry.Event = BeginInstantiation ? "Begin" : "End";
-    if (auto *NamedTemplate = dyn_cast_or_null<NamedDecl>(Inst.Entity)) {
-      llvm::raw_string_ostream OS(Entry.Name);
-      NamedTemplate->getNameForDiagnostic(OS, TheSema.getLangOpts(), true);
-      const PresumedLoc DefLoc =
-        TheSema.getSourceManager().getPresumedLoc(Inst.Entity->getLocation());
-      if(!DefLoc.isInvalid())
-        Entry.DefinitionLocation = std::string(DefLoc.getFilename()) + ":" +
-                                   std::to_string(DefLoc.getLine()) + ":" +
-                                   std::to_string(DefLoc.getColumn());
-    }
-    const PresumedLoc PoiLoc =
-        TheSema.getSourceManager().getPresumedLoc(Inst.PointOfInstantiation);
-    if (!PoiLoc.isInvalid()) {
-      Entry.PointOfInstantiation = std::string(PoiLoc.getFilename()) + ":" +
-                                   std::to_string(PoiLoc.getLine()) + ":" +
-                                   std::to_string(PoiLoc.getColumn());
-    }
-    return Entry;
-  }
-};
-} // namespace
-
-std::unique_ptr<ASTConsumer>
-TemplightDumpAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
-}
-
-void TemplightDumpAction::ExecuteAction() {
-  CompilerInstance &CI = getCompilerInstance();
-
-  // This part is normally done by ASTFrontEndAction, but needs to happen
-  // before Templight observers can be created
-  // FIXME: Move the truncation aspect of this into Sema, we delayed this till
-  // here so the source manager would be initialized.
-  EnsureSemaIsCreated(CI, *this);
-
-  CI.getSema().TemplateInstCallbacks.push_back(
-      llvm::make_unique<DefaultTemplateInstCallback>());
-  ASTFrontendAction::ExecuteAction();
-}
-
-namespace {
-  /// AST reader listener that dumps module information for a module
-  /// file.
-  class DumpModuleInfoListener : public ASTReaderListener {
-    llvm::raw_ostream &Out;
-
-  public:
-    DumpModuleInfoListener(llvm::raw_ostream &Out) : Out(Out) { }
-
-#define DUMP_BOOLEAN(Value, Text)                       \
-    Out.indent(4) << Text << ": " << (Value? "Yes" : "No") << "\n"
-
-    bool ReadFullVersionInformation(StringRef FullVersion) override {
-      Out.indent(2)
-        << "Generated by "
-        << (FullVersion == getClangFullRepositoryVersion()? "this"
-                                                          : "a different")
-        << " Clang: " << FullVersion << "\n";
-      return ASTReaderListener::ReadFullVersionInformation(FullVersion);
-    }
-
-    void ReadModuleName(StringRef ModuleName) override {
-      Out.indent(2) << "Module name: " << ModuleName << "\n";
-    }
-    void ReadModuleMapFile(StringRef ModuleMapPath) override {
-      Out.indent(2) << "Module map file: " << ModuleMapPath << "\n";
-    }
-
-    bool ReadLanguageOptions(const LangOptions &LangOpts, bool Complain,
-                             bool AllowCompatibleDifferences) override {
-      Out.indent(2) << "Language options:\n";
-#define LANGOPT(Name, Bits, Default, Description) \
-      DUMP_BOOLEAN(LangOpts.Name, Description);
-#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
-      Out.indent(4) << Description << ": "                   \
-                    << static_cast<unsigned>(LangOpts.get##Name()) << "\n";
-#define VALUE_LANGOPT(Name, Bits, Default, Description) \
-      Out.indent(4) << Description << ": " << LangOpts.Name << "\n";
-#define BENIGN_LANGOPT(Name, Bits, Default, Description)
-#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
-#include "clang/Basic/LangOptions.def"
-
-      if (!LangOpts.ModuleFeatures.empty()) {
-        Out.indent(4) << "Module features:\n";
-        for (StringRef Feature : LangOpts.ModuleFeatures)
-          Out.indent(6) << Feature << "\n";
-      }
-
-      return false;
-    }
-
-    bool ReadTargetOptions(const TargetOptions &TargetOpts, bool Complain,
-                           bool AllowCompatibleDifferences) override {
-      Out.indent(2) << "Target options:\n";
-      Out.indent(4) << "  Triple: " << TargetOpts.Triple << "\n";
-      Out.indent(4) << "  CPU: " << TargetOpts.CPU << "\n";
-      Out.indent(4) << "  ABI: " << TargetOpts.ABI << "\n";
-
-      if (!TargetOpts.FeaturesAsWritten.empty()) {
-        Out.indent(4) << "Target features:\n";
-        for (unsigned I = 0, N = TargetOpts.FeaturesAsWritten.size();
-             I != N; ++I) {
-          Out.indent(6) << TargetOpts.FeaturesAsWritten[I] << "\n";
-        }
-      }
-
-      return false;
-    }
-
-    bool ReadDiagnosticOptions(IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts,
-                               bool Complain) override {
-      Out.indent(2) << "Diagnostic options:\n";
-#define DIAGOPT(Name, Bits, Default) DUMP_BOOLEAN(DiagOpts->Name, #Name);
-#define ENUM_DIAGOPT(Name, Type, Bits, Default) \
-      Out.indent(4) << #Name << ": " << DiagOpts->get##Name() << "\n";
-#define VALUE_DIAGOPT(Name, Bits, Default) \
-      Out.indent(4) << #Name << ": " << DiagOpts->Name << "\n";
-#include "clang/Basic/DiagnosticOptions.def"
-
-      Out.indent(4) << "Diagnostic flags:\n";
-      for (const std::string &Warning : DiagOpts->Warnings)
-        Out.indent(6) << "-W" << Warning << "\n";
-      for (const std::string &Remark : DiagOpts->Remarks)
-        Out.indent(6) << "-R" << Remark << "\n";
-
-      return false;
-    }
-
-    bool ReadHeaderSearchOptions(const HeaderSearchOptions &HSOpts,
-                                 StringRef SpecificModuleCachePath,
-                                 bool Complain) override {
-      Out.indent(2) << "Header search options:\n";
-      Out.indent(4) << "System root [-isysroot=]: '" << HSOpts.Sysroot << "'\n";
-      Out.indent(4) << "Resource dir [ -resource-dir=]: '" << HSOpts.ResourceDir << "'\n";
-      Out.indent(4) << "Module Cache: '" << SpecificModuleCachePath << "'\n";
-      DUMP_BOOLEAN(HSOpts.UseBuiltinIncludes,
-                   "Use builtin include directories [-nobuiltininc]");
-      DUMP_BOOLEAN(HSOpts.UseStandardSystemIncludes,
-                   "Use standard system include directories [-nostdinc]");
-      DUMP_BOOLEAN(HSOpts.UseStandardCXXIncludes,
-                   "Use standard C++ include directories [-nostdinc++]");
-      DUMP_BOOLEAN(HSOpts.UseLibcxx,
-                   "Use libc++ (rather than libstdc++) [-stdlib=]");
-      return false;
-    }
-
-    bool ReadPreprocessorOptions(const PreprocessorOptions &PPOpts,
-                                 bool Complain,
-                                 std::string &SuggestedPredefines) override {
-      Out.indent(2) << "Preprocessor options:\n";
-      DUMP_BOOLEAN(PPOpts.UsePredefines,
-                   "Uses compiler/target-specific predefines [-undef]");
-      DUMP_BOOLEAN(PPOpts.DetailedRecord,
-                   "Uses detailed preprocessing record (for indexing)");
-
-      if (!PPOpts.Macros.empty()) {
-        Out.indent(4) << "Predefined macros:\n";
-      }
-
-      for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator
-             I = PPOpts.Macros.begin(), IEnd = PPOpts.Macros.end();
-           I != IEnd; ++I) {
-        Out.indent(6);
-        if (I->second)
-          Out << "-U";
-        else
-          Out << "-D";
-        Out << I->first << "\n";
-      }
-      return false;
-    }
-
-    /// Indicates that a particular module file extension has been read.
-    void readModuleFileExtension(
-           const ModuleFileExtensionMetadata &Metadata) override {
-      Out.indent(2) << "Module file extension '"
-                    << Metadata.BlockName << "' " << Metadata.MajorVersion
-                    << "." << Metadata.MinorVersion;
-      if (!Metadata.UserInfo.empty()) {
-        Out << ": ";
-        Out.write_escaped(Metadata.UserInfo);
-      }
-
-      Out << "\n";
-    }
-
-    /// Tells the \c ASTReaderListener that we want to receive the
-    /// input files of the AST file via \c visitInputFile.
-    bool needsInputFileVisitation() override { return true; }
-
-    /// Tells the \c ASTReaderListener that we want to receive the
-    /// input files of the AST file via \c visitInputFile.
-    bool needsSystemInputFileVisitation() override { return true; }
-
-    /// Indicates that the AST file contains particular input file.
-    ///
-    /// \returns true to continue receiving the next input file, false to stop.
-    bool visitInputFile(StringRef Filename, bool isSystem,
-                        bool isOverridden, bool isExplicitModule) override {
-
-      Out.indent(2) << "Input file: " << Filename;
-
-      if (isSystem || isOverridden || isExplicitModule) {
-        Out << " [";
-        if (isSystem) {
-          Out << "System";
-          if (isOverridden || isExplicitModule)
-            Out << ", ";
-        }
-        if (isOverridden) {
-          Out << "Overridden";
-          if (isExplicitModule)
-            Out << ", ";
-        }
-        if (isExplicitModule)
-          Out << "ExplicitModule";
-
-        Out << "]";
-      }
-
-      Out << "\n";
-
-      return true;
-    }
-
-    /// Returns true if this \c ASTReaderListener wants to receive the
-    /// imports of the AST file via \c visitImport, false otherwise.
-    bool needsImportVisitation() const override { return true; }
-
-    /// If needsImportVisitation returns \c true, this is called for each
-    /// AST file imported by this AST file.
-    void visitImport(StringRef ModuleName, StringRef Filename) override {
-      Out.indent(2) << "Imports module '" << ModuleName
-                    << "': " << Filename.str() << "\n";
-    }
-#undef DUMP_BOOLEAN
-  };
-}
-
-bool DumpModuleInfoAction::BeginInvocation(CompilerInstance &CI) {
-  // The Object file reader also supports raw ast files and there is no point in
-  // being strict about the module file format in -module-file-info mode.
-  CI.getHeaderSearchOpts().ModuleFormat = "obj";
-  return true;
-}
-
-void DumpModuleInfoAction::ExecuteAction() {
-  // Set up the output file.
-  std::unique_ptr<llvm::raw_fd_ostream> OutFile;
-  StringRef OutputFileName = getCompilerInstance().getFrontendOpts().OutputFile;
-  if (!OutputFileName.empty() && OutputFileName != "-") {
-    std::error_code EC;
-    OutFile.reset(new llvm::raw_fd_ostream(OutputFileName.str(), EC,
-                                           llvm::sys::fs::F_Text));
-  }
-  llvm::raw_ostream &Out = OutFile.get()? *OutFile.get() : llvm::outs();
-
-  Out << "Information for module file '" << getCurrentFile() << "':\n";
-  auto &FileMgr = getCompilerInstance().getFileManager();
-  auto Buffer = FileMgr.getBufferForFile(getCurrentFile());
-  StringRef Magic = (*Buffer)->getMemBufferRef().getBuffer();
-  bool IsRaw = (Magic.size() >= 4 && Magic[0] == 'C' && Magic[1] == 'P' &&
-                Magic[2] == 'C' && Magic[3] == 'H');
-  Out << "  Module format: " << (IsRaw ? "raw" : "obj") << "\n";
-
-  Preprocessor &PP = getCompilerInstance().getPreprocessor();
-  DumpModuleInfoListener Listener(Out);
-  HeaderSearchOptions &HSOpts =
-      PP.getHeaderSearchInfo().getHeaderSearchOpts();
-  ASTReader::readASTFileControlBlock(
-      getCurrentFile(), FileMgr, getCompilerInstance().getPCHContainerReader(),
-      /*FindModuleFileExtensions=*/true, Listener,
-      HSOpts.ModulesValidateDiagnosticOptions);
-}
-
-//===----------------------------------------------------------------------===//
-// Preprocessor Actions
-//===----------------------------------------------------------------------===//
-
-void DumpRawTokensAction::ExecuteAction() {
-  Preprocessor &PP = getCompilerInstance().getPreprocessor();
-  SourceManager &SM = PP.getSourceManager();
-
-  // Start lexing the specified input file.
-  const llvm::MemoryBuffer *FromFile = SM.getBuffer(SM.getMainFileID());
-  Lexer RawLex(SM.getMainFileID(), FromFile, SM, PP.getLangOpts());
-  RawLex.SetKeepWhitespaceMode(true);
-
-  Token RawTok;
-  RawLex.LexFromRawLexer(RawTok);
-  while (RawTok.isNot(tok::eof)) {
-    PP.DumpToken(RawTok, true);
-    llvm::errs() << "\n";
-    RawLex.LexFromRawLexer(RawTok);
-  }
-}
-
-void DumpTokensAction::ExecuteAction() {
-  Preprocessor &PP = getCompilerInstance().getPreprocessor();
-  // Start preprocessing the specified input file.
-  Token Tok;
-  PP.EnterMainSourceFile();
-  do {
-    PP.Lex(Tok);
-    PP.DumpToken(Tok, true);
-    llvm::errs() << "\n";
-  } while (Tok.isNot(tok::eof));
-}
-
-void PreprocessOnlyAction::ExecuteAction() {
-  Preprocessor &PP = getCompilerInstance().getPreprocessor();
-
-  // Ignore unknown pragmas.
-  PP.IgnorePragmas();
-
-  Token Tok;
-  // Start parsing the specified input file.
-  PP.EnterMainSourceFile();
-  do {
-    PP.Lex(Tok);
-  } while (Tok.isNot(tok::eof));
-}
-
-void PrintPreprocessedAction::ExecuteAction() {
-  CompilerInstance &CI = getCompilerInstance();
-  // Output file may need to be set to 'Binary', to avoid converting Unix style
-  // line feeds (<LF>) to Microsoft style line feeds (<CR><LF>).
-  //
-  // Look to see what type of line endings the file uses. If there's a
-  // CRLF, then we won't open the file up in binary mode. If there is
-  // just an LF or CR, then we will open the file up in binary mode.
-  // In this fashion, the output format should match the input format, unless
-  // the input format has inconsistent line endings.
-  //
-  // This should be a relatively fast operation since most files won't have
-  // all of their source code on a single line. However, that is still a
-  // concern, so if we scan for too long, we'll just assume the file should
-  // be opened in binary mode.
-  bool BinaryMode = true;
-  bool InvalidFile = false;
-  const SourceManager& SM = CI.getSourceManager();
-  const llvm::MemoryBuffer *Buffer = SM.getBuffer(SM.getMainFileID(),
-                                                     &InvalidFile);
-  if (!InvalidFile) {
-    const char *cur = Buffer->getBufferStart();
-    const char *end = Buffer->getBufferEnd();
-    const char *next = (cur != end) ? cur + 1 : end;
-
-    // Limit ourselves to only scanning 256 characters into the source
-    // file.  This is mostly a sanity check in case the file has no
-    // newlines whatsoever.
-    if (end - cur > 256) end = cur + 256;
-
-    while (next < end) {
-      if (*cur == 0x0D) {  // CR
-        if (*next == 0x0A)  // CRLF
-          BinaryMode = false;
-
-        break;
-      } else if (*cur == 0x0A)  // LF
-        break;
-
-      ++cur;
-      ++next;
-    }
-  }
-
-  std::unique_ptr<raw_ostream> OS =
-      CI.createDefaultOutputFile(BinaryMode, getCurrentFileOrBufferName());
-  if (!OS) return;
-
-  // If we're preprocessing a module map, start by dumping the contents of the
-  // module itself before switching to the input buffer.
-  auto &Input = getCurrentInput();
-  if (Input.getKind().getFormat() == InputKind::ModuleMap) {
-    if (Input.isFile()) {
-      (*OS) << "# 1 \"";
-      OS->write_escaped(Input.getFile());
-      (*OS) << "\"\n";
-    }
-    getCurrentModule()->print(*OS);
-    (*OS) << "#pragma clang module contents\n";
-  }
-
-  DoPrintPreprocessedInput(CI.getPreprocessor(), OS.get(),
-                           CI.getPreprocessorOutputOpts());
-}
-
-void PrintPreambleAction::ExecuteAction() {
-  switch (getCurrentFileKind().getLanguage()) {
-  case InputKind::C:
-  case InputKind::CXX:
-  case InputKind::ObjC:
-  case InputKind::ObjCXX:
-  case InputKind::OpenCL:
-  case InputKind::CUDA:
-  case InputKind::HIP:
-    break;
-
-  case InputKind::Unknown:
-  case InputKind::Asm:
-  case InputKind::LLVM_IR:
-  case InputKind::RenderScript:
-    // We can't do anything with these.
-    return;
-  }
-
-  // We don't expect to find any #include directives in a preprocessed input.
-  if (getCurrentFileKind().isPreprocessed())
-    return;
-
-  CompilerInstance &CI = getCompilerInstance();
-  auto Buffer = CI.getFileManager().getBufferForFile(getCurrentFile());
-  if (Buffer) {
-    unsigned Preamble =
-        Lexer::ComputePreamble((*Buffer)->getBuffer(), CI.getLangOpts()).Size;
-    llvm::outs().write((*Buffer)->getBufferStart(), Preamble);
-  }
-}
-
-void DumpCompilerOptionsAction::ExecuteAction() {
-  CompilerInstance &CI = getCompilerInstance();
-  std::unique_ptr<raw_ostream> OSP =
-      CI.createDefaultOutputFile(false, getCurrentFile());
-  if (!OSP)
-    return;
-
-  raw_ostream &OS = *OSP;
-  const Preprocessor &PP = CI.getPreprocessor();
-  const LangOptions &LangOpts = PP.getLangOpts();
-
-  // FIXME: Rather than manually format the JSON (which is awkward due to
-  // needing to remove trailing commas), this should make use of a JSON library.
-  // FIXME: Instead of printing enums as an integral value and specifying the
-  // type as a separate field, use introspection to print the enumerator.
-
-  OS << "{\n";
-  OS << "\n\"features\" : [\n";
-  {
-    llvm::SmallString<128> Str;
-#define FEATURE(Name, Predicate)                                               \
-  ("\t{\"" #Name "\" : " + llvm::Twine(Predicate ? "true" : "false") + "},\n") \
-      .toVector(Str);
-#include "clang/Basic/Features.def"
-#undef FEATURE
-    // Remove the newline and comma from the last entry to ensure this remains
-    // valid JSON.
-    OS << Str.substr(0, Str.size() - 2);
-  }
-  OS << "\n],\n";
-
-  OS << "\n\"extensions\" : [\n";
-  {
-    llvm::SmallString<128> Str;
-#define EXTENSION(Name, Predicate)                                             \
-  ("\t{\"" #Name "\" : " + llvm::Twine(Predicate ? "true" : "false") + "},\n") \
-      .toVector(Str);
-#include "clang/Basic/Features.def"
-#undef EXTENSION
-    // Remove the newline and comma from the last entry to ensure this remains
-    // valid JSON.
-    OS << Str.substr(0, Str.size() - 2);
-  }
-  OS << "\n]\n";
-
-  OS << "}";
-}
-
-void PrintDependencyDirectivesSourceMinimizerAction::ExecuteAction() {
-  CompilerInstance &CI = getCompilerInstance();
-  SourceManager &SM = CI.getPreprocessor().getSourceManager();
-  const llvm::MemoryBuffer *FromFile = SM.getBuffer(SM.getMainFileID());
-
-  llvm::SmallString<1024> Output;
-  llvm::SmallVector<minimize_source_to_dependency_directives::Token, 32> Toks;
-  if (minimizeSourceToDependencyDirectives(
-          FromFile->getBuffer(), Output, Toks, &CI.getDiagnostics(),
-          SM.getLocForStartOfFile(SM.getMainFileID()))) {
-    assert(CI.getDiagnostics().hasErrorOccurred() &&
-           "no errors reported for failure");
-
-    // Preprocess the source when verifying the diagnostics to capture the
-    // 'expected' comments.
-    if (CI.getDiagnosticOpts().VerifyDiagnostics) {
-      // Make sure we don't emit new diagnostics!
-      CI.getDiagnostics().setSuppressAllDiagnostics();
-      Preprocessor &PP = getCompilerInstance().getPreprocessor();
-      PP.EnterMainSourceFile();
-      Token Tok;
-      do {
-        PP.Lex(Tok);
-      } while (Tok.isNot(tok::eof));
-    }
-    return;
-  }
-  llvm::outs() << Output;
-}