C++ InputArgList::getAllArgValues方法代码示例

TEST(Option, SlurpJoinedOneJoined) {
  TestOptTable T;
  unsigned MAI, MAC;

  const char *MyArgs[] = { "-A", "-slurpjoinedfoo" };
  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
  EXPECT_TRUE(AL.hasArg(OPT_A));
  EXPECT_TRUE(AL.hasArg(OPT_SlurpJoined));
  EXPECT_EQ(AL.getAllArgValues(OPT_SlurpJoined).size(), 1U);
  EXPECT_EQ(AL.getAllArgValues(OPT_SlurpJoined)[0], "foo");
}

TEST(Option, OptionParsing) {
  TestOptTable T;
  unsigned MAI, MAC;
  InputArgList AL = T.ParseArgs(Args, MAI, MAC);

  // Check they all exist.
  EXPECT_TRUE(AL.hasArg(OPT_A));
  EXPECT_TRUE(AL.hasArg(OPT_B));
  EXPECT_TRUE(AL.hasArg(OPT_C));
  EXPECT_TRUE(AL.hasArg(OPT_D));
  EXPECT_TRUE(AL.hasArg(OPT_E));
  EXPECT_TRUE(AL.hasArg(OPT_F));
  EXPECT_TRUE(AL.hasArg(OPT_G));

  // Check the values.
  EXPECT_EQ("hi", AL.getLastArgValue(OPT_B));
  EXPECT_EQ("bye", AL.getLastArgValue(OPT_C));
  EXPECT_EQ("adena", AL.getLastArgValue(OPT_D));
  std::vector<std::string> Es = AL.getAllArgValues(OPT_E);
  EXPECT_EQ("apple", Es[0]);
  EXPECT_EQ("bloom", Es[1]);
  EXPECT_EQ("42", AL.getLastArgValue(OPT_F));
  std::vector<std::string> Gs = AL.getAllArgValues(OPT_G);
  EXPECT_EQ("chuu", Gs[0]);
  EXPECT_EQ("2", Gs[1]);

  // Check the help text.
  std::string Help;
  raw_string_ostream RSO(Help);
  T.PrintHelp(RSO, "test", "title!");
  EXPECT_NE(std::string::npos, Help.find("-A"));

  // Check usage line.
  T.PrintHelp(RSO, "name [options] file...", "title!");
  EXPECT_NE(std::string::npos, Help.find("USAGE: name [options] file...\n"));

  // Test aliases.
  auto Cs = AL.filtered(OPT_C);
  ASSERT_NE(Cs.begin(), Cs.end());
  EXPECT_EQ("desu", StringRef((*Cs.begin())->getValue()));
  ArgStringList ASL;
  (*Cs.begin())->render(AL, ASL);
  ASSERT_EQ(2u, ASL.size());
  EXPECT_EQ("-C", StringRef(ASL[0]));
  EXPECT_EQ("desu", StringRef(ASL[1]));
}

bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
                                         ArrayRef<const char *> Argv,
                                         DiagnosticsEngine &Diags) {
  bool Success = true;

  // Parse the arguments.
  std::unique_ptr<OptTable> OptTbl(createDriverOptTable());

  const unsigned IncludedFlagsBitmask = options::CC1AsOption;
  unsigned MissingArgIndex, MissingArgCount;
  InputArgList Args = OptTbl->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
                                        IncludedFlagsBitmask);

  // Check for missing argument error.
  if (MissingArgCount) {
    Diags.Report(diag::err_drv_missing_argument)
        << Args.getArgString(MissingArgIndex) << MissingArgCount;
    Success = false;
  }

  // Issue errors on unknown arguments.
  for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
    auto ArgString = A->getAsString(Args);
    std::string Nearest;
    if (OptTbl->findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
      Diags.Report(diag::err_drv_unknown_argument) << ArgString;
    else
      Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
          << ArgString << Nearest;
    Success = false;
  }

  // Construct the invocation.

  // Target Options
  Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
  Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
  Opts.Features = Args.getAllArgValues(OPT_target_feature);

  // Use the default target triple if unspecified.
  if (Opts.Triple.empty())
    Opts.Triple = llvm::sys::getDefaultTargetTriple();

  // Language Options
  Opts.IncludePaths = Args.getAllArgValues(OPT_I);
  Opts.NoInitialTextSection = Args.hasArg(OPT_n);
  Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
  // Any DebugInfoKind implies GenDwarfForAssembly.
  Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);

  if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections,
                                     OPT_compress_debug_sections_EQ)) {
    if (A->getOption().getID() == OPT_compress_debug_sections) {
      // TODO: be more clever about the compression type auto-detection
      Opts.CompressDebugSections = llvm::DebugCompressionType::GNU;
    } else {
      Opts.CompressDebugSections =
          llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
              .Case("none", llvm::DebugCompressionType::None)
              .Case("zlib", llvm::DebugCompressionType::Z)
              .Case("zlib-gnu", llvm::DebugCompressionType::GNU)
              .Default(llvm::DebugCompressionType::None);
    }
  }

  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
  Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
  Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
  Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
  Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);

  for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ))
    Opts.DebugPrefixMap.insert(StringRef(Arg).split('='));

  // Frontend Options
  if (Args.hasArg(OPT_INPUT)) {
    bool First = true;
    for (const Arg *A : Args.filtered(OPT_INPUT)) {
      if (First) {
        Opts.InputFile = A->getValue();
        First = false;
      } else {
        Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
        Success = false;
      }
    }
  }
  Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
  Opts.OutputPath = Args.getLastArgValue(OPT_o);
  Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
  if (Arg *A = Args.getLastArg(OPT_filetype)) {
    StringRef Name = A->getValue();
    unsigned OutputType = StringSwitch<unsigned>(Name)
      .Case("asm", FT_Asm)
      .Case("null", FT_Null)
      .Case("obj", FT_Obj)
      .Default(~0U);
    if (OutputType == ~0U) {
      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
//.........这里部分代码省略.........

bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
                                         ArrayRef<const char *> Argv,
                                         DiagnosticsEngine &Diags) {
  bool Success = true;

  // Parse the arguments.
  std::unique_ptr<OptTable> OptTbl(createDriverOptTable());

  const unsigned IncludedFlagsBitmask = options::CC1AsOption;
  unsigned MissingArgIndex, MissingArgCount;
  InputArgList Args = OptTbl->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
                                        IncludedFlagsBitmask);

  // Check for missing argument error.
  if (MissingArgCount) {
    Diags.Report(diag::err_drv_missing_argument)
        << Args.getArgString(MissingArgIndex) << MissingArgCount;
    Success = false;
  }

  // Issue errors on unknown arguments.
  for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
    Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
    Success = false;
  }

  // Construct the invocation.

  // Target Options
  Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
  Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
  Opts.Features = Args.getAllArgValues(OPT_target_feature);

  // Use the default target triple if unspecified.
  if (Opts.Triple.empty())
    Opts.Triple = llvm::sys::getDefaultTargetTriple();

  // Language Options
  Opts.IncludePaths = Args.getAllArgValues(OPT_I);
  Opts.NoInitialTextSection = Args.hasArg(OPT_n);
  Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
  // Any DebugInfoKind implies GenDwarfForAssembly.
  Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
  Opts.CompressDebugSections = Args.hasArg(OPT_compress_debug_sections);
  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
  Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
  Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
  Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
  Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);

  // Frontend Options
  if (Args.hasArg(OPT_INPUT)) {
    bool First = true;
    for (arg_iterator it = Args.filtered_begin(OPT_INPUT),
                      ie = Args.filtered_end();
         it != ie; ++it, First = false) {
      const Arg *A = it;
      if (First)
        Opts.InputFile = A->getValue();
      else {
        Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
        Success = false;
      }
    }
  }
  Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
  Opts.OutputPath = Args.getLastArgValue(OPT_o);
  if (Arg *A = Args.getLastArg(OPT_filetype)) {
    StringRef Name = A->getValue();
    unsigned OutputType = StringSwitch<unsigned>(Name)
      .Case("asm", FT_Asm)
      .Case("null", FT_Null)
      .Case("obj", FT_Obj)
      .Default(~0U);
    if (OutputType == ~0U) {
      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
      Success = false;
    } else
      Opts.OutputType = FileType(OutputType);
  }
  Opts.ShowHelp = Args.hasArg(OPT_help);
  Opts.ShowVersion = Args.hasArg(OPT_version);

  // Transliterate Options
  Opts.OutputAsmVariant =
      getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
  Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
  Opts.ShowInst = Args.hasArg(OPT_show_inst);

  // Assemble Options
  Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
  Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
  Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
  Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
  Opts.IncrementalLinkerCompatible =
      Args.hasArg(OPT_mincremental_linker_compatible);

  return Success;
}