Function HandleGenerateCommand

Source/cmFileCommand.cxx:2788–2939

}

bool HandleGenerateCommand(std::vector<std::string> const& args,
                           cmExecutionStatus& status)
{
  if (args.size() < 5) {
    status.SetError("Incorrect arguments to GENERATE subcommand.");
    return false;
  }

  struct Arguments : public ArgumentParser::ParseResult
  {
    cm::optional<std::string> Output;
    cm::optional<std::string> Input;
    cm::optional<std::string> Content;
    cm::optional<std::string> Condition;
    cm::optional<std::string> Target;
    cm::optional<std::string> NewLineStyle;
    bool NoSourcePermissions = false;
    bool UseSourcePermissions = false;
    ArgumentParser::NonEmpty<std::vector<std::string>> FilePermissions;
    std::vector<cm::string_view> ParsedKeywords;
  };

  static auto const parser =
    cmArgumentParser<Arguments>{}
      .Bind("OUTPUT"_s, &Arguments::Output)
      .Bind("INPUT"_s, &Arguments::Input)
      .Bind("CONTENT"_s, &Arguments::Content)
      .Bind("CONDITION"_s, &Arguments::Condition)
      .Bind("TARGET"_s, &Arguments::Target)
      .Bind("NO_SOURCE_PERMISSIONS"_s, &Arguments::NoSourcePermissions)
      .Bind("USE_SOURCE_PERMISSIONS"_s, &Arguments::UseSourcePermissions)
      .Bind("FILE_PERMISSIONS"_s, &Arguments::FilePermissions)
      .Bind("NEWLINE_STYLE"_s, &Arguments::NewLineStyle)
      .BindParsedKeywords(&Arguments::ParsedKeywords);

  std::vector<std::string> unparsedArguments;
  Arguments const arguments =
    parser.Parse(cmMakeRange(args).advance(1), &unparsedArguments);

  if (arguments.MaybeReportError(status.GetMakefile())) {
    return true;
  }

  if (!unparsedArguments.empty()) {
    status.SetError("Unknown argument to GENERATE subcommand.");
    return false;
  }

  if (!arguments.Output || arguments.ParsedKeywords[0] != "OUTPUT"_s) {
    status.SetError("GENERATE requires OUTPUT as first option.");
    return false;
  }
  std::string const& output = *arguments.Output;

  if (!arguments.Input && !arguments.Content) {
    status.SetError("GENERATE requires INPUT or CONTENT option.");
    return false;
  }