Exemplo n.º 1
0
const Option OptTable::getOption(OptSpecifier Opt) const {
  unsigned id = Opt.getID();
  if (id == 0)
    return Option(nullptr, nullptr);
  assert((unsigned) (id - 1) < getNumOptions() && "Invalid ID.");
  return Option(&getInfo(id), this);
}
Exemplo n.º 2
0
void ArgList::eraseArg(OptSpecifier Id) {
  // Zero out the removed entries but keep them around so that we don't
  // need to invalidate OptRanges.
  for (Arg *const &A : filtered(Id)) {
    // Avoid the need for a non-const filtered iterator variant.
    Arg **ArgsBegin = Args.data();
    ArgsBegin[&A - ArgsBegin] = nullptr;
  }
  OptRanges.erase(Id.getID());
}
Exemplo n.º 3
0
bool Option::matches(OptSpecifier Opt) const {
  // Aliases are never considered in matching, look through them.
  const Option Alias = getAlias();
  if (Alias.isValid())
    return Alias.matches(Opt);

  // Check exact match.
  if (getID() == Opt.getID())
    return true;

  const Option Group = getGroup();
  if (Group.isValid())
    return Group.matches(Opt);
  return false;
}
Exemplo n.º 4
0
Option::Option(OptionClass _Kind, OptSpecifier _ID, const char *_Name,
               const OptionGroup *_Group, const Option *_Alias)
  : Kind(_Kind), ID(_ID.getID()), Name(_Name), Group(_Group), Alias(_Alias),
    Unsupported(false), LinkerInput(false), NoOptAsInput(false),
    DriverOption(false), NoArgumentUnused(false), NoForward(false) {

  // Multi-level aliases are not supported, and alias options cannot
  // have groups. This just simplifies option tracking, it is not an
  // inherent limitation.
  assert((!Alias || (!Alias->Alias && !Group)) &&
         "Multi-level aliases and aliases with groups are unsupported.");

  // Initialize rendering options based on the class.
  switch (Kind) {
  case GroupClass:
  case InputClass:
  case UnknownClass:
    RenderStyle = RenderValuesStyle;
    break;

  case JoinedClass:
  case JoinedAndSeparateClass:
    RenderStyle = RenderJoinedStyle;
    break;

  case CommaJoinedClass:
    RenderStyle = RenderCommaJoinedStyle;
    break;

  case FlagClass:
  case SeparateClass:
  case MultiArgClass:
  case JoinedOrSeparateClass:
    RenderStyle = RenderSeparateStyle;
    break;
  }
}