Exemple #1
0
FormalLinkage swift::getTypeLinkage(CanType type) {
  FormalLinkage result = FormalLinkage::Top;

  // Merge all nominal types from the structural type.
  (void) type.findIf([&](Type _type) {
    CanType type = CanType(_type);

    // For any nominal type reference, look at the type declaration.
    if (auto nominal = type->getAnyNominal())
      result ^= getDeclLinkage(nominal);

    assert(!isa<PolymorphicFunctionType>(type) &&
           "Don't expect a polymorphic function type here");

    return false; // continue searching
  });

  return result;
}
Exemple #2
0
FormalLinkage swift::getTypeLinkage(CanType type) {
  FormalLinkage result = FormalLinkage::Top;

  // Merge all nominal types from the structural type.
  (void) type.findIf([&](Type _type) {
    CanType type = CanType(_type);

    // For any nominal type reference, look at the type declaration.
    if (auto nominal = type->getAnyNominal()) {
      result ^= getDeclLinkage(nominal);

    // For polymorphic function types, look at the generic parameters.
    // FIXME: findIf should do this, once polymorphic function types can be
    // canonicalized and re-formed properly.
    } else if (auto polyFn = dyn_cast<PolymorphicFunctionType>(type)) {
      result ^= getGenericClauseLinkage(polyFn->getGenericParameters());
    }

    return false; // continue searching
  });

  return result;
}